CN105778326B - A kind of communication cable environment-friendly high fire-retardant PVC sheath material and its preparation method and application - Google Patents
A kind of communication cable environment-friendly high fire-retardant PVC sheath material and its preparation method and application Download PDFInfo
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- CN105778326B CN105778326B CN201410848573.XA CN201410848573A CN105778326B CN 105778326 B CN105778326 B CN 105778326B CN 201410848573 A CN201410848573 A CN 201410848573A CN 105778326 B CN105778326 B CN 105778326B
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 46
- 239000000463 material Substances 0.000 title claims abstract description 44
- 238000004891 communication Methods 0.000 title claims abstract description 38
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 229920000915 polyvinyl chloride Polymers 0.000 claims abstract description 36
- 239000004800 polyvinyl chloride Substances 0.000 claims abstract description 36
- 239000004014 plasticizer Substances 0.000 claims abstract description 11
- 239000002994 raw material Substances 0.000 claims abstract description 11
- 239000002131 composite material Substances 0.000 claims abstract description 10
- 238000001125 extrusion Methods 0.000 claims abstract description 8
- 239000012760 heat stabilizer Substances 0.000 claims abstract description 8
- 239000011347 resin Substances 0.000 claims abstract description 8
- 229920005989 resin Polymers 0.000 claims abstract description 8
- 229910000410 antimony oxide Inorganic materials 0.000 claims abstract description 5
- 239000003607 modifier Substances 0.000 claims abstract description 5
- VTRUBDSFZJNXHI-UHFFFAOYSA-N oxoantimony Chemical compound [Sb]=O VTRUBDSFZJNXHI-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 13
- 229920001897 terpolymer Polymers 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 12
- 239000003963 antioxidant agent Substances 0.000 claims description 8
- 230000003078 antioxidant effect Effects 0.000 claims description 8
- 238000004898 kneading Methods 0.000 claims description 7
- 239000000314 lubricant Substances 0.000 claims description 6
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 4
- 239000005977 Ethylene Substances 0.000 claims description 4
- IHBCFWWEZXPPLG-UHFFFAOYSA-N [Ca].[Zn] Chemical group [Ca].[Zn] IHBCFWWEZXPPLG-UHFFFAOYSA-N 0.000 claims description 4
- 239000003381 stabilizer Substances 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 3
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 3
- WGKLIJDVPACLGG-UHFFFAOYSA-N trizinc diborate hydrate Chemical class O.[Zn++].[Zn++].[Zn++].[O-]B([O-])[O-].[O-]B([O-])[O-] WGKLIJDVPACLGG-UHFFFAOYSA-N 0.000 claims description 3
- 238000006116 polymerization reaction Methods 0.000 claims description 2
- 229920002554 vinyl polymer Polymers 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims 4
- 230000005611 electricity Effects 0.000 claims 1
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 abstract description 6
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 abstract description 6
- 239000012757 flame retardant agent Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 229940106691 bisphenol a Drugs 0.000 abstract description 3
- 229920000728 polyester Polymers 0.000 abstract description 3
- VBICKXHEKHSIBG-UHFFFAOYSA-N 1-monostearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)CO VBICKXHEKHSIBG-UHFFFAOYSA-N 0.000 abstract description 2
- YSMRWXYRXBRSND-UHFFFAOYSA-N TOTP Chemical compound CC1=CC=CC=C1OP(=O)(OC=1C(=CC=CC=1)C)OC1=CC=CC=C1C YSMRWXYRXBRSND-UHFFFAOYSA-N 0.000 abstract description 2
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 abstract description 2
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 abstract description 2
- 229910021502 aluminium hydroxide Inorganic materials 0.000 abstract description 2
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 abstract description 2
- 239000008116 calcium stearate Substances 0.000 abstract description 2
- 235000013539 calcium stearate Nutrition 0.000 abstract description 2
- 239000003077 lignite Substances 0.000 abstract description 2
- CXBWLZOMIKTAJA-UHFFFAOYSA-N 3-heptyl-4,5-dipropylphthalic acid Chemical compound CCCCCCCC1=C(CCC)C(CCC)=CC(C(O)=O)=C1C(O)=O CXBWLZOMIKTAJA-UHFFFAOYSA-N 0.000 abstract 1
- BIKXLKXABVUSMH-UHFFFAOYSA-N trizinc;diborate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]B([O-])[O-].[O-]B([O-])[O-] BIKXLKXABVUSMH-UHFFFAOYSA-N 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- FGHOOJSIEHYJFQ-UHFFFAOYSA-N (2,4-ditert-butylphenyl) dihydrogen phosphite Chemical class CC(C)(C)C1=CC=C(OP(O)O)C(C(C)(C)C)=C1 FGHOOJSIEHYJFQ-UHFFFAOYSA-N 0.000 description 1
- 125000004203 4-hydroxyphenyl group Chemical group [H]OC1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- MKPXGEVFQSIKGE-UHFFFAOYSA-N [Mg].[Si] Chemical group [Mg].[Si] MKPXGEVFQSIKGE-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- BFMKFCLXZSUVPI-UHFFFAOYSA-N ethyl but-3-enoate Chemical group CCOC(=O)CC=C BFMKFCLXZSUVPI-UHFFFAOYSA-N 0.000 description 1
- -1 heptyl ester Chemical class 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical group CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical class OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000010557 suspension polymerization reaction Methods 0.000 description 1
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- Compositions Of Macromolecular Compounds (AREA)
- Insulated Conductors (AREA)
Abstract
The present invention relates to communication cable sheath material and preparation method fields, more particularly to a kind of communication cable environment-friendly high fire-retardant PVC sheath material and its preparation method and application.The present invention provides a kind of communication cable environment-friendly high fire-retardant PVC sheath material, raw material by weight, including following component：90 100 parts of polyvinyl chloride resin；20 30 parts of polyester plasticizer；10 20 parts of tricresyl phosphate；10 20 parts of dipropylheptylphthalate；48 parts of heat stabilizer；15 30 parts of aluminium hydroxide；3 10 parts of composite flame-retardant agent；6 20 parts of antimony oxide；8 15 parts of zinc borate；0.5 1 parts of glycerin monostearate；0.2 0.5 parts of calcium stearate；0.3 0.8 parts of lignite wax；0.1 0.4 parts of bisphenol-A；0.1 0.4 parts of antioxidant 1010；0.1 0.2 parts of irgasfos 168；5 15 parts of modifier.The communication cable environment-friendly high fire-retardant PVC sheath material meets GB/T 8,815 2008, RoHS, REACH standards；With good extrusion processability energy, and the smooth exquisiteness of manufactured product surface；With excellent flame retardant property, can be burnt by bunchy A classes in IEC 60,332 3, and production cost is relatively low.
Description
Technical field
The present invention relates to communication cable sheath material and preparation method fields, more particularly to a kind of environmental protection of communication cable
Type high-flame-retardantPVC PVC sheath material and its preparation method and application.
Background technology
In recent years, as the fast development of the communications field, commercial office building and resident's skyscraper are more and more adopted
With the mode of comprehensive wiring, with meet people to information the needs of transmitting.In order to ensure the cable flame retardant effect of communication system, more
Carrying out more communication cable needs, it is burnt by bunchy A classes in IEC 60332-3.And communication cable is wanted to reach preferable fire-retardant
Effect proposes very high requirement with PVC sheath material to communication cable.According to the fire retardant mechanism of fire retardant, generally select a variety of
Fire retardant is used in compounding, even with flame retardant type plasticizer to reach higher oxygen index (OI), to realize that communication cable passes through into
The purpose of beam A class combustion tests.
Currently, there are many domestic high-flame-retardantPVC PVC sheath materials for communications cable field, but it is in extensive flame combustion
When, even if it can be burnt by bunchy A classes, but it is easy carbonization in extensive burning, and material is easy to fall off from cable surface,
Huge destruction is generated to the actual use of cable, or even is interrupted.The communication cable environment-friendly high fire-retardant PVC of the present invention
Protective cover material, the communication cable being used for not only can be preferably by bunchy A class combustion tests, and shelling is good after its burning
It is good, significantly protect the normal operation of cable.
Invention content
In view of the foregoing deficiencies of prior art, it is an object of the invention to solve to have branch cable in the prior art
It is made that product poor processability, injection surface be not coarse fine and smooth, and flame retardant effect is poor, and production cost is higher of polyvinyl chloride injection molding material
Defect, provide it is a kind of having excellent injection molding performance, flame retardant effect is excellent, and production cost is low, and injection product surface
Smooth exquisiteness, communication cable environment-friendly high fire-retardant PVC sheath material that temperature resistant grade is 70 or 90 DEG C and preparation method thereof and use
On the way.
In order to achieve the above objects and other related objects, first aspect present invention provides a kind of communication cable environment-friendly type height
Flame-proof PVC sheath material, raw material by weight, including following component：
Preferably, the degree of polymerization of the polyvinyl chloride resin is 1000-1300.
It is furthermore preferred that suspension polymerization can be used in the polyvinyl chloride resin, it is loose type resin.
In a preferred embodiment, the plasticizer a is polyester plasticizer.
Preferably, the heat stabilizer is composite environment-friendly type heat stabilizer.
More preferably, the heat stabilizer is calcium-zinc composite stabilizing agent.
In a preferred embodiment, the calcium-zinc composite stabilizing agent is CZ-300 type calcium-zinc composite stabilizing agents.
Preferably, the composite flame-retardant agent is silicon-magnesium composite flame-retardant agent.
Preferably, the fire retardant c is the antimony oxide of purity >=99.8wt%.
It is furthermore preferred that the fire retardant c is environment-friendly type antimony oxide, meet European Union's RoHS standards.
Preferably, the fire retardant d is 3.5 hydrate zinc borates.
The bisphenol-A is 2,2- bis- (4- hydroxy phenyls) propane.
The antioxidant 1010 is four [β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid] pentaerythritol esters (abbreviation
1010), the irgasfos 168 is three (2,4- di-tert-butyl-phenyl) phosphite esters (referred to as 168).
Preferably, the modifier is ethylene-dien terpolymer.
It is furthermore preferred that the modifier is ethylene-dien terpolymer, the ethylene-dien terpolymer is ethyl vinyl acetate
Ethylene-hydroxyl terpolymer, ethylene-methyl acrylate-hydroxyl terpolymer or ethylene/n-butyl acrylate-hydroxyl three
One or more combinations in membered copolymer.
It is furthermore preferred that the ethene-vinyl acetate-hydroxyl terpolymer MI values are 2-120g/ under 150 DEG C × 21.6kg
10min。
It is furthermore preferred that the ethylene-methyl acrylate-hydroxyl terpolymer MI values are 2- under 150 DEG C × 21.6kg
120g/10min。
It is furthermore preferred that the ethylene/n-butyl acrylate-hydroxyl terpolymer MI values are 2- under 150 DEG C × 21.6kg
120g/10min。
Second aspect of the present invention provides the preparation method of the communication cable environment-friendly high fire-retardant PVC sheath material, including
Following steps：
A, by polyvinyl chloride resin, plasticizer a, plasticizer b, plasticizer c, heat stabilizer, fire retardant a, fire retardant b, fire retardant c,
Fire retardant d, lubricant a, lubricant b, lubricant c, modifier, antioxidant a, antioxidant b, antioxidant c merging high speeds are pinched
Heating is stirred in conjunction machine, and for the control of high-speed kneading machine temperature at 100-120 DEG C, kneading time is 5-10 minutes；
B, the raw material stirred evenly is directly entered twin-screw grain-making machine and carries out extrusion plasticizing, each section of twin-screw grain-making machine adds
Hot temperature is divided equally by heating hop count from 100-140 DEG C；Using Single screw extrusion comminutor, each section of heating temperature of single screw rod grain-making machine
Degree is divided equally by heating hop count from 120-160 DEG C；
C, the communication cable environment-friendly high fire-retardant PVC sheath material for making the finished product drying of material up to the present invention is squeezed out.
Third aspect present invention provides the communication cable with environment-friendly high fire-retardant PVC sheath material in communication cable sheath material
Expect the purposes of preparation field.
Communication cable provided by the present invention is had the advantages that with environment-friendly high fire-retardant PVC sheath material：
(1) PVC material produced by the invention meets Specifications and the requirement of GB/T 8815-2008；
(2) have environmental-protecting performance, meet RoHS, REACH standards；
(3) there is good extrusion processability energy, and the smooth exquisiteness of manufactured product surface；
(4) be used in compounding using a variety of fire retardants, there is excellent flame retardant property, can by IEC 60332-3 at
Beam A classes are burnt, and production cost is relatively low.
Specific implementation mode
Illustrate that embodiments of the present invention, those skilled in the art can be by this specification below by way of specific specific example
Disclosed content understands other advantages and effect of the present invention easily.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also be based on different viewpoints with application, without departing from
Various modifications or alterations are carried out under the spirit of the present invention.
It should be clear that in the following example not specifically dated process equipment or device be all made of conventional equipment in the art or
Device；All pressure values and range all refer to absolute pressure.
In addition, it should also be understood that, one or more method and step mentioned in the present invention does not repel before and after the combination step
It can also be inserted into other methods step there may also be other methods step or between these explicitly mentioned steps, unless separately
It is described；It should also be understood that the combination connection relation between one or more equipment/device mentioned in the present invention is not repelled
The front and back two equipment/devices specifically mentioned there may also be other equipment/device or at these of the unit equipment/device it
Between can also be inserted into other equipment/device, unless otherwise indicated.Moreover, unless otherwise indicated, the number of various method steps is only
Differentiate the convenient tool of various method steps, rather than to limit the ordering of various method steps or limiting the enforceable model of the present invention
It encloses, relativeness is altered or modified, and without material changes in technical content, when being also considered as, the present invention is enforceable
Scope.
Embodiment 1
1. experiment material
2. preparation method：
A, by 100 kilograms of polyvinyl chloride resin, 20 kilograms of polyester plasticizer, 20 kilograms of tricresyl phosphate, dipropyl phthalic
10 kilograms of base heptyl ester, 5 kilograms of composite environment-friendly type heat stabilizer, 70 kilograms of aluminium hydroxide, 3 kilograms of environment-friendly composite flame retardant agent, environmental protection
99.8% 6 kilograms of antimony oxide, 3.5 8 kilograms of hydrate zinc borates, 0.5 kilogram of glycerin monostearate, 0.5 kilogram of calcium stearate,
0.3 kilogram of lignite wax, 0.1 kilogram of antioxidant bisphenol-A, 0.2 kilogram of antioxidant 1010,0.1 kilogram of irgasfos 168, ethylene ternary
Heating carries out high-speed stirred in 0 kilogram of merging high-speed kneading machine of copolymer 1, and high-speed kneading machine temperature is controlled at 100-120 DEG C, pinched
It is 5-10 minutes to close the time；
B, the raw material stirred evenly is directly entered twin-screw grain-making machine and carries out extrusion plasticizing, each section of twin-screw grain-making machine adds
Hot temperature is divided equally by heating hop count from 100-140 DEG C；Using Single screw extrusion comminutor, each section of heating temperature of single screw rod grain-making machine
Degree is divided equally by heating hop count from 120-160 DEG C；
C, the finished product for making material packaging and storage after drying is squeezed out.
Embodiment 2
1. experiment material
2. preparation method
Using the present embodiment raw material, the method for communication cable environment-friendly high fire-retardant PVC sheath material is prepared with embodiment 1.
Embodiment 3
1. experiment material
2. preparation method
Using the present embodiment raw material, the method for communication cable environment-friendly high fire-retardant PVC sheath material is prepared with embodiment 1.
Embodiment 4
1. experiment material
2. preparation method
Using the present embodiment raw material, the method for communication cable environment-friendly high fire-retardant PVC sheath material is prepared with embodiment 1.
Embodiment 5
1. experiment material
2. preparation method
Using the present embodiment raw material, the method for communication cable environment-friendly high fire-retardant PVC sheath material is prepared with embodiment 1.
Embodiment 6
1. experiment material
2. preparation method
Using the present embodiment raw material, the method for communication cable environment-friendly high fire-retardant PVC sheath material is prepared with embodiment 1.
The communication cable that above-described embodiment is obtained is with environment-friendly high fire-retardant PVC sheath material with reference to GB/T 8815-2008 marks
Accurate, RoHS standards and high fire-retardance test, the results are shown in Table 1：
Table 1
In conclusion the present invention effectively overcomes various shortcoming in the prior art and has high industrial utilization.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology can all carry out modifications and changes to above-described embodiment without violating the spirit and scope of the present invention.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should by the present invention claim be covered.
Claims (6)
1. a kind of communication cable environment-friendly high fire-retardant PVC sheath material, raw material by weight, is grouped as by following group：
The degree of polymerization of the polyvinyl chloride resin is 1000-1300；
The heat stabilizer is calcium-zinc composite stabilizing agent.
2. a kind of communication cable environment-friendly high fire-retardant PVC sheath material as described in claim 1, which is characterized in that the resistance
Fire the antimony oxide that agent c is purity >=99.8wt%.
3. a kind of communication cable environment-friendly high fire-retardant PVC sheath material as described in claim 1, which is characterized in that the resistance
It is 3.5 hydrate zinc borates to fire agent d.
4. a kind of communication cable environment-friendly high fire-retardant PVC sheath material as described in claim 1, which is characterized in that described to add
Work modifying agent is ethylene-dien terpolymer, and the ethylene-dien terpolymer is ethene-vinyl acetate-hydroxyl terpolymer, second
Alkene-methyl acrylate-hydroxyl terpolymer or one kind in ethylene/n-butyl acrylate-hydroxyl terpolymer, two kinds or
Three kinds of combination.
5. the preparation side of the communication cable environment-friendly high fire-retardant PVC sheath material as described in claim 1-4 any claims
Method includes the following steps：
A, by polyvinyl chloride resin, plasticizer a, plasticizer b, plasticizer c, heat stabilizer, fire retardant a, fire retardant b, fire retardant c, fire-retardant
Agent d, lubricant a, lubricant b, lubricant c, modifier, antioxidant a, antioxidant b, antioxidant c are placed in high-speed kneading machine
Middle heating is stirred, and for the control of high-speed kneading machine temperature at 100-120 DEG C, kneading time is 5-10 minutes；
B, the raw material stirred evenly is directly entered twin-screw grain-making machine and carries out extrusion plasticizing, each section of heating temperature of twin-screw grain-making machine
Degree is divided equally by heating hop count from 100-140 DEG C；Using Single screw extrusion comminutor, each section of heating temperature of single screw rod grain-making machine is pressed
Hop count is heated from 120-160 DEG C to divide equally；
C, it squeezes out and makes the finished product drying of material up to the communication cable environment-friendly high fire-retardant PVC sheath material.
6. the communication cable as described in claim 1-4 any claims is with environment-friendly high fire-retardant PVC sheath material in communication electricity
The purposes of cable sheath material preparation field.
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| CN112210174A (en) * | 2020-10-22 | 2021-01-12 | 天津六0九电缆有限公司 | Environment-friendly 70 ℃ polyvinyl chloride sheath cable material formula |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109957189B (en) * | 2017-12-26 | 2021-02-02 | 上海凯波电缆特材股份有限公司 | High-light-transmittance low-smoke low-halogen high-flame-retardant polyvinyl chloride plastic and preparation method thereof |
| CN114058139A (en) * | 2021-12-08 | 2022-02-18 | 上海凯波电缆特材股份有限公司 | PVC sheath material for photoelectric composite cable suitable for 5G communication base station and preparation method thereof |
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| CN1225513A (en) * | 1998-01-06 | 1999-08-11 | 佳能株式会社 | Solar cell module and solar cell integrated cladding assembly |
| CN102634127A (en) * | 2012-03-19 | 2012-08-15 | 江苏凯诺电缆集团有限公司 | Environment-friendly flame-retardant polyvinyl chloride cable sheath material and preparation method thereof |
| CN104031329A (en) * | 2014-04-30 | 2014-09-10 | 中广核三角洲（江苏）塑化有限公司 | High-flame-retardation low-smoke composite cable material for boosting communication light cables, and preparation technology thereof |
| CN104177736A (en) * | 2014-09-17 | 2014-12-03 | 朱忠良 | Polyvinyl chloride cable material and processing technique thereof |
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| US20030153661A1 (en) * | 2002-01-04 | 2003-08-14 | Crompton Corporation | Stability improvement of aluminum hydroxide in PVC compound |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112210174A (en) * | 2020-10-22 | 2021-01-12 | 天津六0九电缆有限公司 | Environment-friendly 70 ℃ polyvinyl chloride sheath cable material formula |
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| CN105778326A (en) | 2016-07-20 |
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