CN119798951A - A polycarbonate composite material for 5G base station and preparation method thereof - Google Patents
A polycarbonate composite material for 5G base station and preparation method thereof Download PDFInfo
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Abstract
本发明涉及5G基站用聚合材料技术领域，具体涉及到一种5G基站用聚碳酸酯复合材料及其制备方法。其由如下重量份的组分组成：90～95重量份聚碳酸酯聚合物；0.2～0.4重量份抗氧剂；0.5～1.0重量份润滑剂；3～5重量份增韧剂；0.05～0.2重量份磺酸盐类阻燃剂；0.3～0.5重量份抗滴落剂；1～3重量份抗UV剂；其中，所述聚碳酸酯聚合物包括高分子量芳香族聚碳酸酯和脂肪族型聚碳酸酯，所述高分子量芳香族聚碳酸酯在所述聚碳酸酯聚合物中的含量不低于30wt％；所述高分子量芳香族聚碳酸酯的重均分子量不低于25000。本发明中通过对复合材料中的聚碳酸酯材料的成分、配比等的调整，相应的对阻燃剂、抗UV剂等的优化，使得复合材料在拉伸强度、弯曲强度、抗冲击强度、抗老化性能等方面得到全面的提升。The present invention relates to the technical field of polymer materials for 5G base stations, and specifically to a polycarbonate composite material for 5G base stations and a preparation method thereof. It is composed of the following components in parts by weight: 90 to 95 parts by weight of polycarbonate polymer; 0.2 to 0.4 parts by weight of antioxidant; 0.5 to 1.0 parts by weight of lubricant; 3 to 5 parts by weight of toughening agent; 0.05 to 0.2 parts by weight of sulfonate flame retardant; 0.3 to 0.5 parts by weight of anti-drip agent; 1 to 3 parts by weight of anti-UV agent; wherein the polycarbonate polymer includes high molecular weight aromatic polycarbonate and aliphatic polycarbonate, and the content of the high molecular weight aromatic polycarbonate in the polycarbonate polymer is not less than 30wt%; the weight average molecular weight of the high molecular weight aromatic polycarbonate is not less than 25000. In the present invention, by adjusting the composition and proportion of the polycarbonate material in the composite material, and optimizing the flame retardant, anti-UV agent, etc. accordingly, the composite material is comprehensively improved in terms of tensile strength, flexural strength, impact strength, anti-aging performance, etc.
Description
Technical Field
The invention relates to the technical field of polymer materials for 5G base stations, in particular to a polycarbonate composite material for 5G base stations and a preparation method thereof.
Background
With the continuous development of communication technology, new demands are made on polymer materials in the field, the propagation speed of 5G signals is extremely high, but the penetration force is low, a large number of indoor and outdoor devices need to be paved, and the number of base stations can be increased by more than 10 times. However, as the communication signal rate increases, the band adjustment for communication causes the problems of reduced signal transmission capability, easy interference from external materials, etc., which also puts forward new requirements for polymer materials used in 5G base stations, and related materials are required to have characteristics including but not limited to low dielectric, low loss, high impact resistance, high heat distortion temperature, etc., in addition to traditional high temperature resistance, flame retardant property, mechanical strength, aging resistance, etc. Polycarbonate resin materials are widely used in the field of communication base stations at present. In the traditional polycarbonate composite material, components such as glass fiber, PBT resin, ABS resin and the like are added for improving the mechanical strength, heat resistance, hardness and the like of the polycarbonate composite material, however, the addition of auxiliary components such as the composite resin and the like can improve the performance of the composite material to a certain extent, but other characteristics such as transparency, dielectric loss and the like of the composite material are affected. In addition, the addition of the composite components can influence the processing mode of the material to a certain extent, and the environment protection, energy consumption and the like are to be further improved. Therefore, it is necessary to develop a polycarbonate composite material which has excellent comprehensive properties and is applied to 5G base stations on the premise of taking polycarbonate resin as a base resin material and adding as little other components as possible.
Disclosure of Invention
Aiming at the technical problems, the invention provides a polycarbonate composite material for a 5G base station, wherein polycarbonate resins with different molecular structures and different molecular weights are adopted to compound as base resins, and then other auxiliary components of the composite material are correspondingly optimized and adjusted, so that the polycarbonate composite material realizes the characteristics of better mechanical strength, excellent flame retardant property, aging resistance and the like on the premise of not adding other resins for compounding and adding a small amount of auxiliary components.
Specifically, the first aspect of the invention provides a polycarbonate composite material for a 5G base station, which comprises the following components in parts by weight:
90-95 parts by weight of a polycarbonate polymer;
0.2-0.4 parts by weight of an antioxidant;
0.5 to 1.0 parts by weight of a lubricant;
3.0-5.0 parts by weight of a toughening agent;
0.05-0.2 parts by weight of sulfonate flame retardant;
0.3-0.5 parts by weight of an anti-dripping agent;
1.0 to 3.0 parts by weight of an anti-UV agent;
Wherein the polycarbonate polymer comprises a high molecular weight aromatic polycarbonate and an aliphatic polycarbonate, the content of the high molecular weight aromatic polycarbonate in the polycarbonate polymer is not less than 30wt%, and the weight average molecular weight of the high molecular weight aromatic polycarbonate is not less than 25000.
In a preferred embodiment of the present invention, the weight average molecular weight of the high molecular weight aromatic polycarbonate is 30000 to 52000.
In a preferred embodiment of the present invention, the weight average molecular weight of the aliphatic polycarbonate is 20000 to 60000.
In a preferred embodiment of the present invention, the polycarbonate polymer further includes a low molecular weight aromatic polycarbonate, wherein the weight average molecular weight of the low molecular weight aromatic polycarbonate is not higher than 30000, and preferably the weight average molecular weight of the low molecular weight aromatic polycarbonate is 20000 to 30000.
As a preferable technical scheme of the invention, the melt index of the low molecular weight aromatic polycarbonate is 7-13 g/10min at 300 ℃ and 1.2 kg.
In a preferred embodiment of the present invention, the weight ratio of the high molecular weight aromatic polycarbonate, the low molecular weight aromatic polycarbonate and the aliphatic polycarbonate is (3 to 4) 5 (0.5 to 2) at a time.
As a preferred embodiment of the present invention, the toughening agent is MMA grafted crosslinked silicone acrylate.
As a preferable technical scheme of the invention, the anti-UV agent is a compound of benzotriazole anti-UV agent and triazine anti-UV agent with equal weight.
As a preferable technical scheme of the invention, the sulfonate flame retardant is selected from one or more of potassium benzenesulfonyl benzenesulfonate, potassium perfluorobutyl sulfonate and sodium 2,4, 5-trichlorobenzene sulfonate.
The second aspect of the invention provides a preparation method of the polycarbonate composite material, which comprises the following steps of mixing the polycarbonate polymer, the antioxidant, the lubricant, the sulfonate flame retardant, the anti-dripping agent and the anti-UV agent in a mixer, adding the mixture into a double-screw extruder, and carrying out melt extrusion.
Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:
According to the invention, through adjusting the components, the proportion and the like of the polycarbonate material in the composite material and correspondingly optimizing the flame retardant, the UV resistant agent and the like, the prepared polycarbonate composite material is comprehensively improved in the aspects of tensile strength, bending strength, impact strength, ageing resistance and the like. In addition, the applicant also carries out thermal deformation test on the PC alloy materials in the embodiment, and the thermal deformation temperature of all the materials is basically 120 ℃ and above, so that the PC alloy materials can be widely applied to severe high-temperature outdoor environments. And the content of auxiliary components in the whole material formula system is not more than 10wt%, so that the composite material can be widely applied to the fields of 5G base stations and the like, and the characteristics of the polycarbonate are maintained as much as possible while the composite material is modified.
Detailed Description
Where an amount, use, or other value or parameter of the application is expressed as a range, preferred range, or as a range bounded by a list of upper preferable values and lower preferable values, this is to be understood as specifically disclosing all ranges formed from any pair of any upper range limit or preferred value and any lower range limit or preferred value, regardless of whether ranges are separately disclosed. For example, when a range of "2-8" is disclosed, the described range should be interpreted to include the ranges of "2-8", "2-7", "2-6", "2-5 and 6,7", "2-3 and 4-8", and the like.
When a numerical range is described herein, unless otherwise indicated, the range is intended to include its endpoints and all integers and fractions within the range. The singular forms include plural referents unless the context clearly dictates otherwise. "optional" or "any" means that the subsequently described event or event may or may not occur, and that the description includes both cases where the event occurs and cases where the event does not.
The polycarbonate composite material for the 5G base station provided by the invention is prepared by compounding polycarbonate resins with different molecular structures and different molecular weights to be used as base resins, and then correspondingly optimizing and adjusting other auxiliary components of the composite material to obtain the polycarbonate composite material.
The polycarbonate composite material provided by the invention comprises the following components in parts by weight:
90-95 parts by weight of a polycarbonate polymer;
0.2-0.4 parts by weight of an antioxidant;
0.5 to 1.0 parts by weight of a lubricant;
3-5 parts by weight of a toughening agent;
0.05-0.2 parts by weight of sulfonate flame retardant;
0.3-0.5 parts by weight of an anti-dripping agent;
1-3 parts by weight of an anti-UV agent.
The polycarbonate polymer is a PC resin material, and the application can be used by preparing and using polycarbonate materials which are well known to those skilled in the art, including but not limited to bisphenol a type polycarbonate, bisphenol F type polycarbonate and the like, and can be prepared and used by preparing and using preparation methods which are well known to those skilled in the art, and can also be used by obtaining related polycarbonate resin materials in a commercially available manner, and specific sources thereof are not particularly limited. The polycarbonate polymer of the present application includes a high molecular weight aromatic polycarbonate and an aliphatic polycarbonate, wherein the high molecular weight aromatic polycarbonate is only a polycarbonate having a relatively low molecular weight as compared with other polycarbonates of the present application, wherein the high molecular weight aromatic polycarbonate has a weight average molecular weight of not less than 25000, wherein the weight average molecular weight is a physical quantity for measuring the length of a molecular segment of the polycarbonate, and can be tested according to a method known to those skilled in the art, and can be tested by, but not limited to, GPC gel permeation chromatography, etc., and the aromatic polycarbonate is a carbonate type high molecular polymer having an aryl group in a molecular chain, and wherein the high molecular weight aromatic polycarbonate of the present application has a content of not less than 30wt% in the polycarbonate polymer.
Further preferably, the weight average molecular weight of the high molecular weight aromatic polycarbonate is 30000 to 52000, for example, 30000,32000,35000,38000,40000,42000,45000,48000,50000,52000, and preferably 35000 to 50000, and specific sources of the high molecular weight aromatic polycarbonate satisfying the above requirements are not particularly limited, and examples thereof include but are not limited to FB2560 polycarbonate material of sauter basic chemistry, 7072R polycarbonate material of mitsubishi chemical japan, and the like.
Further preferably, the weight average molecular weight of the aliphatic polycarbonate is 20000 to 60000, for example, 20000,22000,25000,27000,28000,30000,32000,35000,38000,40000,42000,45000,48000,50000,52000,55000,57000,60000, and further preferably 30000 to 40000, and the aliphatic polycarbonate is polypropylene carbonate resin. The specific source of the aliphatic polycarbonate satisfying the above requirements is not particularly limited in the present invention, and polypropylene carbonate resins including, but not limited to, those used in vinca sensitization can be used.
In some preferred embodiments of the present application, the polycarbonate polymer further comprises a low molecular weight aromatic polycarbonate having a weight average molecular weight of not more than 30000, preferably having a weight average molecular weight of 30000,28000,25000,23000,22000,20000,18000,15000,12000,10000 to 30000, preferably having a melt index of 7 to 13g/10min at 300℃and 1.2kg, which is only a relatively high molecular weight polycarbonate as compared with other polycarbonates of the present application, and specific sources of the low molecular weight aromatic polycarbonate satisfying the above requirements are not particularly limited, and polycarbonate products including but not limited to Van chemical Co Limited A, may be used.
In some preferred embodiments of the present invention, the weight ratio of the high molecular weight aromatic polycarbonate, the low molecular weight aromatic polycarbonate and the aliphatic polycarbonate is (3-4): 5 (0.5-2), and the weight ratio may be 3:5:0.5,3.5:5:0.5,4:5:0.5,3:5:1,3:5:1.5,3:5:2,3:5:1.8,3.5:5:0.8,3.5:5:1.2, or the like.
The polycarbonate composite material for the 5G base station comprises an antioxidant, wherein the weight of the antioxidant is 0.2-0.4 part by weight based on 90-95 parts by weight of polycarbonate polymer, and the antioxidant is 0.2 part by weight, 0.25 part by weight, 0.3 part by weight, 0.35 part by weight, 0.4 part by weight and the like, and the specific selection of the antioxidant is not particularly limited, and the antioxidant can be one or a combination of more of hindered phenol antioxidants, phosphite antioxidants, thioester antioxidants, furan antioxidants, hydroxylamine antioxidants and the like, such as antioxidant RIANOX 245, antioxidant RIANOX and the like, which are well known to those skilled in the art.
The polycarbonate composite material for a 5G base station of the present invention comprises a lubricant in an amount of 0.5 to 1 part by weight based on 90 to 95 parts by weight of a polycarbonate polymer, and the lubricant may be used by blending, for example, 0.5 part by weight, 0.55 part by weight, 0.6 part by weight, 0.65 part by weight, 0.7 part by weight, 0.75 part by weight, 0.8 part by weight, 0.85 part by weight, 0.9 part by weight, 0.95 part by weight, 1.0 part by weight, or the like, preferably, the lubricant is a silicone-based lubricant or a polymer wax lubricant, wherein the polymer wax may be a polyethylene wax, a microcrystalline wax, or other various polymer wax components known to those skilled in the art, and may be selected and used as required by those skilled in the art.
The polycarbonate composite material for the 5G base station comprises a toughening agent, wherein the weight of the toughening agent is 3-5 parts by weight based on 90-95 parts by weight of polycarbonate polymer, and the toughening agent comprises 3.2 parts by weight, 3.5 parts by weight, 3.8 parts by weight, 4.0 parts by weight, 4.2 parts by weight, 4.5 parts by weight, 4.8 parts by weight, 5.0 parts by weight and the like; preferably, the toughening agent comprises MMA grafted crosslinked silicone acrylate, further preferably, the toughening agent further comprises an acrylate graft copolymer having a core-shell structure, preferably, the MMA grafted crosslinked silicone acrylate and the acrylate graft copolymer having a core-shell structure are the same in weight, the specific selection of the MMA grafted crosslinked silicone acrylate and the acrylate graft copolymer having a core-shell structure in the present application is not particularly limited, and the MMA grafted crosslinked silicone acrylate and the acrylate graft copolymer having a core-shell structure can be used according to products known or commercially available to those skilled in the art, such as MMA grafted crosslinked silicone acrylate having a brand name of LP2088 including but not limited to Guangzhou Innovative materials, inc., such as KANE of polymerization in HangzhouAcrylate graft copolymers of FM-40 with core-shell structures, and the like.
The polycarbonate composite material for the 5G base station comprises 0.05-0.2 part by weight of sulfonate flame retardant based on 90-95 parts by weight of polycarbonate polymer, wherein the sulfonate flame retardant is one or more selected from the group consisting of potassium benzenesulfonyl benzene sulfonate, potassium perfluorobutyl sulfonate, sodium 2,4, 5-trichlorobenzene sulfonate, 0.08 part by weight, 0.09 part by weight, 0.10 part by weight, 0.11 part by weight, 0.12 part by weight, 0.13 part by weight, 0.14 part by weight, 0.15 part by weight, 0.16 part by weight, 0.17 part by weight, 0.18 part by weight, 0.19 part by weight, 0.2 part by weight and the like, and the sulfonate flame retardant is preferably one or more selected from the group consisting of potassium benzenesulfonyl benzene sulfonate, potassium perfluorobutyl sulfonate, sodium 2,4, 5-trichlorobenzene sulfonate, and the sulfonate is preferably compounded with potassium benzenesulfonyl benzene sulfonate and the potassium perfluorobutyl sulfonate, and the sulfonate is preferably compounded with potassium benzenesulfonyl sulfonate and the potassium benzenesulfonyl sulfonate is 1, 2, 1:2, 1 and the like. The specific source of the sulfonate-based flame retardant component described above is not particularly limited in the present invention, and may be commercially available products known to those skilled in the art.
The polycarbonate composite material for a 5G base station according to the present invention contains 1 to 3 parts by weight of a UV-resistant agent, for example, 1.0 part by weight, 1.2 parts by weight, 1.5 parts by weight, 1.8 parts by weight, 2.0 parts by weight, 2.2 parts by weight, 2.5 parts by weight, 2.8 parts by weight, 3.0 parts by weight, etc., based on 90 to 95 parts by weight of a polycarbonate polymer, and further preferably the UV-resistant agent is a complex of equal weight of a benzotriazole-based UV-resistant agent and a triazine-based UV-resistant agent, for example, the benzotriazole-based UV-resistant agent may be 2- (2 '-hydroxy-3', 5 '-di-t-pentylphenyl) benzotriazole, 2- (2' -hydroxy-3 ',5' -di-t-butylphenyl) -5-chlorobenzotriazole, etc., and the triazine-based UV-resistant agent may be hydroxyphenyl s triazine, triazine (HPT), etc.
The polycarbonate composite material for a 5G base station according to the present invention contains an anti-dripping agent in an amount of 0.3 to 0.5 parts by weight based on 90 to 95 parts by weight of a polycarbonate polymer, and the anti-dripping agent is preferably at least one of polytetrafluoroethylene micropowder, polytetrafluoroethylene particles and polytetrafluoroethylene master batches using an acrylonitrile-styrene copolymer, a polycarbonate or an acrylonitrile-styrene-butadiene copolymer as a carrier, and the anti-dripping agent is preferably at least one of 0.3 parts by weight, 0.32 parts by weight, 0.35 parts by weight, 0.38 parts by weight, 0.40 parts by weight, 0.42 parts by weight, 0.45 parts by weight, 0.48 parts by weight, 0.50 parts by weight, and the like.
The preparation method of the polycarbonate composite material for the 5G base station comprises the following steps of mixing the polycarbonate polymer, the antioxidant, the lubricant, the sulfonate flame retardant, the anti-dripping agent and the anti-UV agent in a mixer, adding the mixture into a double-screw extruder, and carrying out melt extrusion. The specific process parameters, conditions and the like in the preparation process of the composite material are not particularly limited, and the preparation process can be that raw materials measured according to the proportion are poured into a stirrer to be stirred and mixed uniformly and then are placed into a double-screw extruder, the rotating speed (for example, 300 rpm-800 rpm) of the double-screw extruder is adjusted, the temperature of each region of the screw extruder is set to 285-300 ℃, and other parameters can be adjusted correspondingly according to actual needs based on a mode known by a person skilled in the art.
The present invention will be specifically described below by way of examples. It is noted herein that the following examples are given solely for the purpose of further illustration and are not to be construed as limitations on the scope of the invention, as will be apparent to those skilled in the art in light of the foregoing disclosure.
Example 1
The embodiment provides a polycarbonate composite material for a 5G base station, which comprises the following components in parts by weight:
95 parts by weight of a polycarbonate polymer;
0.3 parts by weight of an antioxidant;
0.8 parts by weight of a lubricant;
4 parts by weight of a toughening agent;
0.1 parts by weight of sulfonate flame retardant;
0.4 parts by weight of an anti-dripping agent;
2 parts by weight of an anti-UV agent;
The polycarbonate polymer consists of high molecular weight aromatic polycarbonate, low molecular weight aromatic polycarbonate and aliphatic polycarbonate, wherein the weight ratio of the high molecular weight aromatic polycarbonate to the low molecular weight aromatic polycarbonate is 3.5:5:1.5, the weight average molecular weight of the high molecular weight aromatic polycarbonate is 50000, the weight average molecular weight of the low molecular weight aromatic polycarbonate is 23000 by adopting FB2560 polycarbonate material of Saint basic chemical company, the melt index of the low molecular weight aromatic polycarbonate is 9g/10min at 300 ℃ and 1.2kg, the product of polycarbonate A1105 polycarbonate of Wanhua chemical group Co., ltd, the weight average molecular weight of the aliphatic polycarbonate is 35000 by adopting polypropylene carbonate resin obtained by vinca reaction, the antioxidant is RIANOX, the lubricant is silicone lubricant FEIDIAN GM-3200, and the toughening agent is prepared from crosslinked silicone acrylate grafted by MMA (brand name of Guangdong brand Innovative material of Lv-energy Ind is LP 8) and kappy graft copolymer (Kappy chemical product of Hangzhou in 208Session) with core-shell structure by adopting the antioxidant RIANOX FM-40), wherein the sulfonate flame retardant consists of potassium benzenesulfonyl benzenesulfonate and potassium perfluorobutyl sulfonate in a weight ratio of 1:1.5, the anti-dripping agent is polytetrafluoroethylene micro powder, and the anti-UV agent consists of benzotriazole anti-UV agent and triazine (HPT) anti-UV agent in equal weight.
Example 2
The embodiment provides a polycarbonate composite material for a 5G base station, which comprises the following components in parts by weight:
95 parts by weight of a polycarbonate polymer;
0.3 parts by weight of an antioxidant;
0.8 parts by weight of a lubricant;
4 parts by weight of a toughening agent;
0.1 parts by weight of sulfonate flame retardant;
0.4 parts by weight of an anti-dripping agent;
2 parts by weight of an anti-UV agent;
The polycarbonate polymer consists of high molecular weight aromatic polycarbonate and aliphatic polycarbonate, wherein the weight ratio of the high molecular weight aromatic polycarbonate to the aliphatic polycarbonate is 3.5:1.5, the weight average molecular weight of the high molecular weight aromatic polycarbonate is 50000, the weight average molecular weight of the aliphatic polycarbonate is 35000, polypropylene carbonate resin obtained by vinca-application is adopted, the antioxidant is RIANOX 245, the lubricant is silicone lubricant FEIDIAN GM-3200, and the toughening agent consists of crosslinked silicone acrylate grafted with MMA (brand of Guangzhou entropy innovation materials Co., ltd., LP 2088) and acrylate graft copolymer with a core-shell structure (KANE of polymerization in Hangzhou) FM-40), wherein the sulfonate flame retardant consists of potassium benzenesulfonyl benzenesulfonate and potassium perfluorobutyl sulfonate in a weight ratio of 1:1.5, the anti-dripping agent is polytetrafluoroethylene micro powder, and the anti-UV agent consists of benzotriazole anti-UV agent and triazine (HPT) anti-UV agent in equal weight.
Example 3
The embodiment provides a polycarbonate composite material for a 5G base station, which comprises the following components in parts by weight:
95 parts by weight of a polycarbonate polymer;
0.3 parts by weight of an antioxidant;
0.8 parts by weight of a lubricant;
4 parts by weight of a toughening agent;
0.1 parts by weight of sulfonate flame retardant;
0.4 parts by weight of an anti-dripping agent;
2 parts by weight of an anti-UV agent;
The polycarbonate polymer is prepared from high molecular weight aromatic polycarbonate and low molecular weight aromatic polycarbonate in a weight ratio of 3.5:5, wherein the high molecular weight aromatic polycarbonate has a weight average molecular weight of 50000, is made of FB2560 polycarbonate material of Saint basic chemical company, has a weight average molecular weight of 23000, has a melt index of 9g/10min at 300 ℃ and 1.2kg, is made of polycarbonate product A1105 of Wanhua chemical group Co., ltd., the antioxidant is RIANOX 245, the lubricant is silicone lubricant FEIDIAN GM-3200, and the toughening agent is prepared from an equal weight of MMA grafted crosslinked silicone acrylate (product name of Guangzhou entropy innovative materials Co., ltd. Is LP 2088) and an acrylate graft copolymer with a core-shell structure (KANE of polymerization in Hangzhou) FM-40), wherein the sulfonate flame retardant consists of potassium benzenesulfonyl benzenesulfonate and potassium perfluorobutyl sulfonate in a weight ratio of 1:1.5, the anti-dripping agent is polytetrafluoroethylene micro powder, and the anti-UV agent consists of benzotriazole anti-UV agent and triazine (HPT) anti-UV agent in equal weight.
Example 4
The embodiment provides a polycarbonate composite material for a 5G base station, which comprises the following components in parts by weight:
95 parts by weight of a polycarbonate polymer;
0.3 parts by weight of an antioxidant;
0.8 parts by weight of a lubricant;
4 parts by weight of a toughening agent;
0.1 parts by weight of sulfonate flame retardant;
0.4 parts by weight of an anti-dripping agent;
2 parts by weight of an anti-UV agent;
The polycarbonate polymer consists of low molecular weight aromatic polycarbonate and aliphatic polycarbonate in a weight ratio of 5:1.5, wherein the low molecular weight aromatic polycarbonate has a weight average molecular weight of 23000, a melt index of 9g/10min at 300 ℃ and 1.2kg, the aliphatic polycarbonate has a weight average molecular weight of 35000 and adopts polypropylene carbonate resin obtained by Changchun reaction, the antioxidant is RIANOX 245, the lubricant is silicone lubricant FEIDIAN GM-3200, and the toughening agent consists of an MMA grafted cross-linked silicone acrylate (the product of Guangzhou entropy Innovative material, the product of which is LP 2088) and an acrylate grafted copolymer with a core-shell structure (KANE polymerized in Hangzhou) FM-40), wherein the sulfonate flame retardant consists of potassium benzenesulfonyl benzenesulfonate and potassium perfluorobutyl sulfonate in a weight ratio of 1:1.5, the anti-dripping agent is polytetrafluoroethylene micro powder, and the anti-UV agent consists of benzotriazole anti-UV agent and triazine (HPT) anti-UV agent in equal weight.
Example 5
The embodiment provides a polycarbonate composite material for a 5G base station, which comprises the following components in parts by weight:
95 parts by weight of a polycarbonate polymer;
0.3 parts by weight of an antioxidant;
0.8 parts by weight of a lubricant;
4 parts by weight of a toughening agent;
0.1 parts by weight of sulfonate flame retardant;
0.4 parts by weight of an anti-dripping agent;
2 parts by weight of an anti-UV agent;
The polycarbonate polymer consists of high molecular weight aromatic polycarbonate, low molecular weight aromatic polycarbonate and aliphatic polycarbonate, wherein the weight ratio of the high molecular weight aromatic polycarbonate to the low molecular weight aromatic polycarbonate is 3.5:5:1.5, the weight average molecular weight of the high molecular weight aromatic polycarbonate is 30000, the weight average molecular weight of the low molecular weight aromatic polycarbonate is 23000, the melt index at 300 ℃ and 1.2kg is 9g/10min, the weight average molecular weight of the aliphatic polycarbonate is 35000, the polypropylene carbonate resin is subjected to vinca reaction, the antioxidant is antioxidant RIANOX, the lubricant is silicone lubricant FEIDIAN GM-3200, and the toughening agent is prepared from an equal weight of MMA grafted crosslinked silicone acrylate (brand name of Guangzhou energy materials, inc. is LP 2088) and a graft copolymer (Kagaku ne with a core structure, chemical engineering in Hangzhou Kogyo Kagaku) FM-40), wherein the sulfonate flame retardant consists of potassium benzenesulfonyl benzenesulfonate and potassium perfluorobutyl sulfonate in a weight ratio of 1:1.5, the anti-dripping agent is polytetrafluoroethylene micro powder, and the anti-UV agent consists of benzotriazole anti-UV agent and triazine (HPT) anti-UV agent in equal weight.
Example 6
The embodiment provides a polycarbonate composite material for a 5G base station, which comprises the following components in parts by weight:
95 parts by weight of a polycarbonate polymer;
0.3 parts by weight of an antioxidant;
0.8 parts by weight of a lubricant;
4 parts by weight of a toughening agent;
0.1 parts by weight of sulfonate flame retardant;
0.4 parts by weight of an anti-dripping agent;
2 parts by weight of an anti-UV agent;
The polycarbonate polymer consists of high-molecular-weight aromatic polycarbonate, low-molecular-weight aromatic polycarbonate and aliphatic polycarbonate, wherein the weight ratio of the high-molecular-weight aromatic polycarbonate to the low-molecular-weight aromatic polycarbonate is 3.5:5:1.5, the weight-average molecular weight of the high-molecular-weight aromatic polycarbonate is 50000, the weight-average molecular weight of the low-molecular-weight aromatic polycarbonate is 23000, the melt index of the low-molecular-weight aromatic polycarbonate at 300 ℃ and 1.2kg is 9g/10min, the product of polycarbonate A1105 of Wanhua chemical group Co., ltd., the weight-average molecular weight of the aliphatic polycarbonate is 35000, the polypropylene carbonate resin obtained by vinca-reaction is adopted, the antioxidant is RIANOX, the lubricant is silicone lubricant FEIDIAN GM-3200, and the toughening agent is acrylate graft copolymer (KANE of polymerization in Hangzhou) with a core-shell structure FM-40), wherein the sulfonate flame retardant consists of potassium benzenesulfonyl benzenesulfonate and potassium perfluorobutyl sulfonate in a weight ratio of 1:1.5, the anti-dripping agent is polytetrafluoroethylene micro powder, and the anti-UV agent consists of benzotriazole anti-UV agent and triazine (HPT) anti-UV agent in equal weight.
Example 7
The embodiment provides a polycarbonate composite material for a 5G base station, which comprises the following components in parts by weight:
95 parts by weight of a polycarbonate polymer;
0.3 parts by weight of an antioxidant;
0.8 parts by weight of a lubricant;
4 parts by weight of a toughening agent;
0.1 parts by weight of sulfonate flame retardant;
0.4 parts by weight of an anti-dripping agent;
2 parts by weight of an anti-UV agent;
The polycarbonate polymer consists of high molecular weight aromatic polycarbonate, low molecular weight aromatic polycarbonate and aliphatic polycarbonate, wherein the weight ratio of the high molecular weight aromatic polycarbonate to the low molecular weight aromatic polycarbonate is 3.5:5:1.5, the weight average molecular weight of the high molecular weight aromatic polycarbonate is 50000, the weight average molecular weight of the low molecular weight aromatic polycarbonate is 23000 by adopting FB2560 polycarbonate material of Saint basic chemical company, the melt index of the low molecular weight aromatic polycarbonate is 9g/10min at 300 ℃ and 1.2kg, the product of polycarbonate A1105 polycarbonate of Wanhua chemical group Co., ltd, the weight average molecular weight of the aliphatic polycarbonate is 35000 by adopting polypropylene carbonate resin obtained by vinca reaction, the antioxidant is RIANOX, the lubricant is silicone lubricant FEIDIAN GM-3200, and the toughening agent is prepared from crosslinked silicone acrylate grafted by MMA (brand name of Guangdong brand Innovative material of Lv-energy Ind is LP 8) and kappy graft copolymer (Kappy chemical product of Hangzhou in 208Session) with core-shell structure by adopting the antioxidant RIANOX FM-40), wherein the sulfonate flame retardant is potassium benzenesulfonyl benzenesulfonate, the anti-dripping agent is polytetrafluoroethylene micro powder, and the anti-UV agent consists of benzotriazole anti-UV agent and triazine (HPT) anti-UV agent with equal weight.
Example 8
The embodiment provides a polycarbonate composite material for a 5G base station, which comprises the following components in parts by weight:
95 parts by weight of a polycarbonate polymer;
0.3 parts by weight of an antioxidant;
0.8 parts by weight of a lubricant;
4 parts by weight of a toughening agent;
0.1 parts by weight of sulfonate flame retardant;
0.4 parts by weight of an anti-dripping agent;
2 parts by weight of an anti-UV agent;
The polycarbonate polymer consists of high-molecular-weight aromatic polycarbonate, low-molecular-weight aromatic polycarbonate and aliphatic polycarbonate, wherein the weight ratio of the high-molecular-weight aromatic polycarbonate to the low-molecular-weight aromatic polycarbonate is 3.5:5:1.5, the weight-average molecular weight of the high-molecular-weight aromatic polycarbonate is 50000, the weight-average molecular weight of the low-molecular-weight aromatic polycarbonate is 23000, the melt index of the low-molecular-weight aromatic polycarbonate at 300 ℃ is 9g/10min, the melt index of the low-molecular-weight aromatic polycarbonate is 1.2kg, the melt index is 9g/10min, the melt index is obtained by using a product of Wanhua chemical group Co., ltd. A1105, the weight-average molecular weight of the aliphatic polycarbonate is 10000, the polypropylene carbonate resin obtained by using vinca strain is obtained by reacting, the antioxidant is RIANOX, the lubricant is silicone lubricant FEIDIAN GM-3200, and the toughening agent is prepared from grafted cross-linked silicone acrylate (LP 2088) of MMA and a graft copolymer (Kane polymer with a core-shell structure in Hangzhou state FM-40), wherein the sulfonate flame retardant consists of potassium benzenesulfonyl benzenesulfonate and potassium perfluorobutyl sulfonate in a weight ratio of 1:1.5, the anti-dripping agent is polytetrafluoroethylene micro powder, and the anti-UV agent consists of benzotriazole anti-UV agent and triazine (HPT) anti-UV agent in equal weight.
The applicant prepares the polycarbonate composite material in the above embodiment according to a similar method, specifically, the polycarbonate polymer, the antioxidant, the lubricant, the sulfonate flame retardant, the anti-dripping agent and the anti-UV agent are mixed in a mixer and then added into a double screw extruder, 8 test samples, namely sample 1 to sample 8 (corresponding to the embodiment 1 to the embodiment 8 in sequence) are obtained through melt extrusion, and the obtained samples are tested, wherein the test mode and the test result are as follows:
tensile properties tested according to ISO 527 standard, a tensile speed of 50mm/min;
bending strength, measured according to ISO 178, bending speed 2mm/min;
Notched impact strength, measured according to ISO 180/1A standard, the sample wafer thickness is 4.0mm;
Xenon lamp aging performance, namely testing according to ISO 4892-2:2013cycle 1 standard, and 1000H;
see table 1 below for specific test results.
TABLE 1 Performance test results
| Tensile Strength/MPa | Flexural Strength/MPa | Notched impact strength/(kJ/m 2) | △E | |
| Example 1 | 66 | 92 | 72 | 1.7 |
| Example 2 | 63 | 90 | 62 | 1.9 |
| Example 3 | 62 | 94 | 56 | 1.6 |
| Example 4 | 56 | 89 | 65 | 2.4 |
| Example 5 | 65 | 86 | 68 | 2.2 |
| Example 6 | 65 | 89 | 50 | 1.8 |
| Example 7 | 66 | 88 | 67 | 2.8 |
| Example 8 | 62 | 84 | 64 | 2.1 |
From the experimental results, the polycarbonate composite material prepared by the method has comprehensively improved tensile strength, bending strength, impact strength, ageing resistance and the like by adjusting the components, the proportion and the like of the polycarbonate material in the composite material and correspondingly optimizing the flame retardant, the UV resistant agent and the like. In addition, the applicant also carries out thermal deformation test on the PC alloy materials in the embodiment, and the thermal deformation temperature of all the materials is basically 120 ℃ and above, so that the PC alloy materials can be widely applied to severe high-temperature outdoor environments. And the content of auxiliary components in the whole material formula system is not more than 10wt%, so that the composite material can be widely applied to the fields of 5G base stations and the like, and the characteristics of the polycarbonate are maintained as much as possible while the composite material is modified.
The foregoing is merely exemplary embodiments of the present disclosure and is not intended to limit the scope of the present disclosure. That is, equivalent changes and modifications are contemplated by the teachings of this disclosure, which fall within the scope of the present disclosure. Embodiments of the present disclosure will be readily apparent to those skilled in the art from consideration of the specification and practice of the disclosure herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a scope and spirit of the disclosure being indicated by the claims.
Claims (10)
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| CN102656231A (en) * | 2009-12-10 | 2012-09-05 | 三菱化学株式会社 | Polycarbonate resin composition, molded article, film, plate and injection molded article obtained by molding the same |
| CN104761878A (en) * | 2015-04-08 | 2015-07-08 | 中国科学院化学研究所 | Polycarbonate composite material and preparation method thereof |
| CN113613878A (en) * | 2019-03-26 | 2021-11-05 | 日铁化学材料株式会社 | Resin composition, cured molded article, material for molding fiber-reinforced plastic, fiber-reinforced plastic laminate molded article, and method for producing same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102656231A (en) * | 2009-12-10 | 2012-09-05 | 三菱化学株式会社 | Polycarbonate resin composition, molded article, film, plate and injection molded article obtained by molding the same |
| CN104761878A (en) * | 2015-04-08 | 2015-07-08 | 中国科学院化学研究所 | Polycarbonate composite material and preparation method thereof |
| CN113613878A (en) * | 2019-03-26 | 2021-11-05 | 日铁化学材料株式会社 | Resin composition, cured molded article, material for molding fiber-reinforced plastic, fiber-reinforced plastic laminate molded article, and method for producing same |
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