CN106317614A - Polypropylene filled master bath and preparation method thereof - Google Patents
Polypropylene filled master bath and preparation method thereof Download PDFInfo
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- CN106317614A CN106317614A CN201510367066.9A CN201510367066A CN106317614A CN 106317614 A CN106317614 A CN 106317614A CN 201510367066 A CN201510367066 A CN 201510367066A CN 106317614 A CN106317614 A CN 106317614A
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- -1 Polypropylene Polymers 0.000 title claims abstract description 66
- 239000004743 Polypropylene Substances 0.000 title claims abstract description 65
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 61
- 238000002360 preparation method Methods 0.000 title abstract description 6
- 239000000463 material Substances 0.000 claims abstract description 49
- BJELTSYBAHKXRW-UHFFFAOYSA-N 2,4,6-triallyloxy-1,3,5-triazine Chemical compound C=CCOC1=NC(OCC=C)=NC(OCC=C)=N1 BJELTSYBAHKXRW-UHFFFAOYSA-N 0.000 claims abstract description 15
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims abstract description 15
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 14
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 14
- 239000000314 lubricant Substances 0.000 claims abstract description 14
- 239000012764 mineral filler Substances 0.000 claims abstract description 14
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 13
- 239000000945 filler Substances 0.000 claims description 36
- 239000008187 granular material Substances 0.000 claims description 35
- 238000011084 recovery Methods 0.000 claims description 19
- 239000000155 melt Substances 0.000 claims description 16
- 238000002844 melting Methods 0.000 claims description 15
- 230000008018 melting Effects 0.000 claims description 15
- 238000003756 stirring Methods 0.000 claims description 13
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 8
- 238000001125 extrusion Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 238000005453 pelletization Methods 0.000 claims description 8
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 6
- 238000013329 compounding Methods 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 5
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 5
- RKISUIUJZGSLEV-UHFFFAOYSA-N n-[2-(octadecanoylamino)ethyl]octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NCCNC(=O)CCCCCCCCCCCCCCCCC RKISUIUJZGSLEV-UHFFFAOYSA-N 0.000 claims description 5
- FGHOOJSIEHYJFQ-UHFFFAOYSA-N (2,4-ditert-butylphenyl) dihydrogen phosphite Chemical compound CC(C)(C)C1=CC=C(OP(O)O)C(C(C)(C)C)=C1 FGHOOJSIEHYJFQ-UHFFFAOYSA-N 0.000 claims description 4
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 3
- 239000008116 calcium stearate Substances 0.000 claims description 3
- 235000013539 calcium stearate Nutrition 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 claims description 3
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 239000002480 mineral oil Substances 0.000 claims description 3
- 235000010446 mineral oil Nutrition 0.000 claims description 3
- DUWWHGPELOTTOE-UHFFFAOYSA-N n-(5-chloro-2,4-dimethoxyphenyl)-3-oxobutanamide Chemical compound COC1=CC(OC)=C(NC(=O)CC(C)=O)C=C1Cl DUWWHGPELOTTOE-UHFFFAOYSA-N 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 235000019260 propionic acid Nutrition 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 239000004594 Masterbatch (MB) Substances 0.000 abstract description 11
- 239000004033 plastic Substances 0.000 abstract description 8
- 229920003023 plastic Polymers 0.000 abstract description 8
- 239000002994 raw material Substances 0.000 abstract description 5
- 230000004048 modification Effects 0.000 abstract description 3
- 238000012986 modification Methods 0.000 abstract description 3
- 238000011049 filling Methods 0.000 abstract description 2
- 239000002131 composite material Substances 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000010445 mica Substances 0.000 description 3
- 229910052618 mica group Inorganic materials 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 229920006124 polyolefin elastomer Polymers 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 239000002990 reinforced plastic Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/10—Homopolymers or copolymers of propene
- C08J2423/12—Polypropene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/005—Additives being defined by their particle size in general
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/20—Recycled plastic
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention discloses a filled master batch prepared from reclaimed polypropylene. The master batch is prepared from the following components in parts by weight: 10 to 20 parts of reclaimed polypropylene, 2 to 6 parts of polypropylene grafted acrylic acid, 75 to 85 parts of inorganic mineral filler, 1.5 to 1.7 parts of triallyl cyanurate (TAC), 0.5 to 1.0 part of antioxidant, and 1.5 to 3 parts of lubricant. The invention also discloses a preparation method of the master batch. At present, common filled master batches on the market have the disadvantages of high cost and bad dispersibility and compatibility; the provided master batch solves the abovementioned problems, and at the same time, the application range of regenerated plastic is enlarged. The processed filled master batch can be widely applied to filling modification of materials such as automobiles, pipelines, cables, and the like; on the basis that the performance requirements are met, the raw material cost is largely reduced, and the using value of regenerated plastic is increased.
Description
Technical field
The invention belongs to field of compound material, be specifically related to a kind of filler parent granule prepared by polypropylene recovery material and preparation method thereof.
Background technology
For correlated performances such as the mechanical performance of reinforced plastic material, density, typically all add a little modifying agent it is modified, originally modifying plastics directly uses powder body at filling-modified aspect, on the one hand this modification mode can have bigger pollution to production environment, on the other hand to be added on dispersion aspect poor for powder body, affects final products performance.In recent years, along with continuous renewal and the development of plastics modification technology, use filler parent granule as the filling-modified production form becoming many enterprises, effectively improve polluting and being obtained in terms of processing technique.
At present, the base material that on market, substantial amounts of filler parent granule mainly uses is virgin material polypropylene, polyethylene, polyolefin elastomer (POE) etc., and the cost of raw material aspect of production is higher.And use regenerated plastics to be filled with master batch as base material and produce, it is equipped with corresponding auxiliary agent again, can not only effectively reduce the cost of raw material, and the filler parent granule that dispersive property, the compatibility are good can be obtained, modifying plastics industry can be widely used in, such as automobile, pipeline, cable etc..
Summary of the invention
It is an object of the invention to provide a kind of filler parent granule prepared by polypropylene recovery material and preparation method thereof.
For achieving the above object, the technical solution used in the present invention is: a kind of filler parent granule prepared by polypropylene recovery material, it is characterised in that: this material is prepared from by weight by following components:
Polypropylene recovery material
10～20；
Polypropylene grafted acrylic acid
2～6；
Inorganic mineral filler
75～85；
Triallyl cyanurate
1.5～1.7；
Antioxidant
0.5～1.0
Lubricant
1.5～3；
Described polypropylene recovery material be reclaim after through sort, cleans, crush, dry the injection grade polypropylene being fabricated to, its moisture content is less than 0.5%, combustion residue is less than 3%, melt index is 15-60g/10min at 2.16kg, under the conditions of 230 DEG C.
Described polypropylene grafted acrylic acid percent grafting >=1.5%, weight average molecular weight >=20000.
Described inorganic mineral filler is one or more in the Pulvis Talci of particle diameter >=1200 mesh, calcium carbonate and Muscovitum.
Described triallyl cyanurate water content≤0.1%.
Described antioxidant is that four [β-(3,5-di-tert-butyl-hydroxy phenyl) propanoic acid] pentaerythritol ester (1010) compounds for 1:2 by weight with tricresyl phosphite (2,4--di-tert-butyl-phenyl) ester (168).
Described lubricant is that white mineral oil, ethylene bis stearamide (EBS) and calcium stearate are by weight compounding for 2:1:1.
Another goal of the invention of the present invention is to provide a kind of method preparing above-mentioned filler parent granule, comprises the following steps:
(1) polypropylene recovery material, polypropylene grafted acrylic acid, antioxidant, lubricant are poured in temperature control high-speed mixer mixing 2-3min by formula proportion；The temperature of described mixer is 75 DEG C-90 DEG C, rotating speed is 500-800r/min；
(2) compound in (1) adds inorganic mineral filler, after being uniformly added into triallyl cyanurate in whipping process, continue stirring mixing 10-15min, obtain premix material；
(3) premix material is put in the double screw extruder of L/D=44:1, after first preheating 2～4 minutes, again through melted, extrusion, evacuation, air-cooled, pelletizing and dry, i.e. preparing filler parent granule, wherein double screw extruder temperature is set to: pre-tabetisol 140～155 DEG C, the first melting zone 190～200 DEG C, first shear at high temperature district 200～210 DEG C, second shear at high temperature district 210～220 DEG C, second melts warm area 200～210 DEG C, and discharging opening melts warm area 190～200 DEG C.
The rotating speed of described step (3) double screw extruder is 300～500 r/min.
Step (1) described polypropylene recovery material drying in advance processes.
The present invention compared with prior art has the advantage that
(1) present invention introduces highly polar reactive group by adding polypropylene grafted acrylic acid in polypropylene recovery material master batch, makes material have high polarity and reactivity, improves the compatibility of polypropylene and mineral filler greatly；
(2) triallyl cyanurate acts on jointly with polypropylene grafted acrylic acid, filling surface is made to be become lipophile by hydrophilic, thus reach and the combining closely of polymer, make the intensity of material, cohesion, dispersive property etc. significantly improve, the most after all make the master batch prepared have good dispersibility, the compatibility；
(3) present invention solves the problems such as the cost height of Conventional filler master batch in the market, bad dispersibility, poor compatibility, extends the range of regenerated plastics simultaneously.Filler parent granule after this invention processed can be used for being widely used in the filling-modified of the materials such as automobile, pipeline, cable, significantly can reduce cost by modified raw material meeting, improve the use value of regenerated plastics in the case of properties of product require.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described, and following example are only that the present invention will be described rather than is limited it.
Antioxidant is to be carried out compounding composition with tricresyl phosphite (2,4--di-tert-butyl-phenyl) ester (168) by weight for 1:2 by four [β-(3,5-di-tert-butyl-hydroxy phenyl) propanoic acid] pentaerythritol ester (1010).
Described lubricant is carried out compounding composition by white mineral oil, ethylene bis stearamide (EBS) and calcium stearate by weight for 2:1:1.
Polypropylene recovery material be select reclaim after through sort, cleans, crush, dry the injection grade polypropylene being fabricated to, its moisture content is less than 0.5%, combustion residue is less than 3%, melt index is 15-60g/10min at 2.16kg, under the conditions of 230 DEG C.
Polypropylene is the PP K7926 of Shanghai match section.
Embodiment
1
Polypropylene recovery material 10 parts, 5 parts of polypropylene grafted acrylic acid, 0.8 part of antioxidant, lubricant 1.6 parts are put into mixing 2min in temperature control high-speed mixer, and temperature controls at 80 DEG C, rotating speed 700r/min；Then by 85 parts of addition high-speed mixers of inorganic mineral filler calcium carbonate, stirring and be uniformly added into triallyl cyanurate 1.7 parts, high mixer rotating speed controls at 750 r/min, continues stirring 12min, obtain premix material after adding；Finally premix material is fed in the double screw extruder of L/D=44:1, after preheating 3 minutes, again through melted, extrusion, evacuation, air-cooled, pelletizing and dry, i.e. preparing filler parent granule, wherein each district temperature of double screw extruder is: 140 DEG C of pre-tabetisol, first melting zone 195 DEG C, first 205 DEG C of shear at high temperature district, the second 210 DEG C of shear at high temperature district, second melts warm area 205 DEG C, discharging opening melts warm area 195 DEG C, and screw speed is 350 revs/min.
Again through melting, extrude and to obtain composite after above-mentioned prepared filler parent granule and polypropylene are mixed for 25:75 in mass ratio.
Embodiment
2
Polypropylene recovery material 13 parts, 2 parts of polypropylene grafted acrylic acid, 0.8 part of antioxidant, lubricant 3 parts are put into mixing 3min in temperature control high-speed mixer, and temperature controls at 75 DEG C, rotating speed 600r/min；Then by inorganic mineral filler calcium carbonate 55 parts, 30 parts of addition high-speed mixers of Pulvis Talci, triallyl cyanurate 1.5 parts, high mixer rotating speed controls at 650 r/min, continues stirring 15min, obtain premix material after adding；Finally premix material is fed in double screw extruder, after preheating 2 minutes, again through melted, extrusion, evacuation, air-cooled, pelletizing and dry, i.e. preparing filler parent granule, wherein each district temperature of double screw extruder is: 155 DEG C of pre-tabetisol, first melting zone 200 DEG C, first 210 DEG C of shear at high temperature district, the second 220 DEG C of shear at high temperature district, second melts warm area 210 DEG C, discharging opening melts warm area 200 DEG C, and screw speed is 400 revs/min.
Again through melting, extrude and to obtain composite after above-mentioned prepared filler parent granule and polypropylene are mixed for 25:75 in mass ratio.
Embodiment
3
Polypropylene recovery material 15 parts, 5 parts of polypropylene grafted acrylic acid, 0.5 part of antioxidant, lubricant 2.5 parts are put into mixing 3min in temperature control high-speed mixer, and temperature controls at 90 DEG C, rotating speed 800r/min；Then by inorganic mineral filler mica powder 35 parts, 45 parts of addition high-speed mixers of Pulvis Talci, stirring and be uniformly added into triallyl cyanurate 1.6 parts, high mixer rotating speed controls at 800 r/min, continues stirring 12min, obtain premix material after adding；Finally premix material is fed in double screw extruder, after preheating 3 minutes, again through melted, extrusion, evacuation, air-cooled, pelletizing and dry, i.e. preparing filler parent granule, wherein each district temperature of double screw extruder is: 140 DEG C of pre-tabetisol, first melting zone 190 DEG C, first 200 DEG C of shear at high temperature district, the second 210 DEG C of shear at high temperature district, second melts warm area 200 DEG C, discharging opening melts warm area 190 DEG C, and screw speed is 300 revs/min.
Again through melting, extrude and to obtain composite after above-mentioned prepared filler parent granule and polypropylene are mixed for 25:75 in mass ratio.
Embodiment
4
Polypropylene recovery material 20 parts, 5 parts of polypropylene grafted acrylic acid, 1 part of antioxidant, lubricant 1.5 parts are put into mixing 3min in temperature control high-speed mixer, and temperature controls at 75 DEG C, rotating speed 600r/min；Then by 75 parts of addition high-speed mixers of inorganic mineral filler Pulvis Talci, stirring and be uniformly added into triallyl cyanurate 1.5 parts, high mixer rotating speed controls at 500 r/min, continues stirring 10min, obtain premix material after adding；Finally premix material is fed in double screw extruder, after preheating 2 minutes, again through melted, extrusion, evacuation, air-cooled, pelletizing and dry, i.e. preparing filler parent granule, wherein each district temperature of double screw extruder is: 145 DEG C of pre-tabetisol, first melting zone 200 DEG C, first 205 DEG C of shear at high temperature district, the second 215 DEG C of shear at high temperature district, second melts warm area 205 DEG C, discharging opening melts warm area 195 DEG C, and screw speed is 500 revs/min.
Again through melting, extrude and to obtain composite after above-mentioned prepared filler parent granule and polypropylene are mixed for 25:75 in mass ratio.
Embodiment
5
Polypropylene recovery material 16 parts, 4 parts of polypropylene grafted acrylic acid, 0.9 part of antioxidant, lubricant 2 parts are put into mixing 2min in temperature control high-speed mixer, and temperature controls at 90 DEG C, rotating speed 500r/min；Then by inorganic mineral filler calcium carbonate 50 parts, 30 parts of addition high-speed mixers of mica powder, stirring and be uniformly added into triallyl cyanurate 1.6 parts, high mixer rotating speed controls at 600 r/min, continues stirring 13min, obtain premix material after adding；Finally premix material is fed in double screw extruder, after preheating 2 minutes, again through melted, extrusion, evacuation, air-cooled, pelletizing and dry, i.e. preparing filler parent granule, wherein each district temperature of double screw extruder is: 150 DEG C of pre-tabetisol, first melting zone 200 DEG C, first 205 DEG C of shear at high temperature district, the second 220 DEG C of shear at high temperature district, second melts warm area 205 DEG C, discharging opening melts warm area 195 DEG C, and screw speed is 450 revs/min.
Again through melting, extrude and to obtain composite after above-mentioned prepared filler parent granule and polypropylene are mixed for 25:75 in mass ratio.
Embodiment
6
Polypropylene recovery material 14 parts, 6 parts of polypropylene grafted acrylic acid, 0.7 part of antioxidant, lubricant 2.8 parts are put into mixing 3min in temperature control high-speed mixer, and temperature controls at 85 DEG C, rotating speed 650r/min；Then by 80 parts of addition high-speed mixers of inorganic mineral filler mica powder, stirring and be uniformly added into triallyl cyanurate 1.6 parts, high mixer rotating speed controls at 550 r/min, continues stirring 14min, obtain premix material after adding；Finally premix material is fed in double screw extruder, after preheating 4 minutes, again through melted, extrusion, evacuation, air-cooled, pelletizing and dry, i.e. preparing filler parent granule, wherein each district temperature of double screw extruder is: 145 DEG C of pre-tabetisol, first melting zone 195 DEG C, first 210 DEG C of shear at high temperature district, the second 215 DEG C of shear at high temperature district, second melts warm area 200 DEG C, discharging opening melts warm area 195 DEG C, and screw speed is 400 revs/min.
Again through melting, extrude and to obtain composite after above-mentioned prepared filler parent granule and polypropylene are mixed for 25:75 in mass ratio.
Comparative example
Comparative example 1-6 is the filler parent granule PP calcium carbonate master batch selecting Anhui Banni New Material Co., Ltd. to produce, its base material is selected to melt and is referred to that the virgin material polypropylene for 20-60g/10min replaces polypropylene recovery material described in embodiment 1-6 respectively, other components and preparation method correspond respectively to embodiment 1-6, the filler parent granule prepared and polypropylene mix for 25:75 in mass ratio after again through melting, extrude and to obtain composite.
Composite prepared by the PP composite material obtained by above-described embodiment 1-6 and comparative example 1-6 carries out physical property detection and is shown in Table 1, and the method for testing of the most each physical property is as follows:
Melt flow rate (MFR) is tested according to GB/T 3682-2000
Hot strength, elongation at break measure according to GB/T 1040.2-2006；
Bending strength, bending modulus measure according to GB/T 9341-2008；
Izod notched impact strength measures according to GB/T 1834-2008；
Load deformation temperature measures according to GB/T 1634.2-2004；
Table 1: performance indications:
Be can be seen that by embodiment in table 1 and comparative example result, filler parent granule is prepared compared with the master batch that commercially available same ratio is filled by this patent, they are suitable with PP matrix compound tense performance, and than comparative example, there is more preferable rigidity, toughness, intensity and thermostability, it also has clear superiority in terms of the compatibility, dispersibility.The regrown material source selected additionally, due to the present invention is relatively wide, and production technology is simple, greatly saves the cost of raw material.
These embodiments are merely to illustrate the present invention and should not limit the scope of this invention.Additionally, after having read content of the present invention, the present invention is made change or the amendment of the various equivalent form of value by those skilled in the art, these equivalent form of values also belong to following claims limited range.
Claims (9)
1. a polypropylene filler parent granule, it is characterised in that: this material is prepared from by weight by following components:
Polypropylene recovery material 10～20；
Polypropylene grafted acrylic acid 2～6；
Inorganic mineral filler 75～85；
Triallyl cyanurate 1.5～1.7；
Antioxidant 0.5～1.0
Lubricant 1.5～3.
A kind of polypropylene filler parent granule the most according to claim 1, it is characterized in that: described polypropylene recovery material be reclaim after through sort, cleans, crush, dry the injection grade polypropylene being fabricated to, its moisture content is less than 0.5%, combustion residue is less than 3%, melt index is 15-60g/10min at 2.16kg, under the conditions of 230 DEG C.
A kind of polypropylene filler parent granule the most according to claim 1, it is characterised in that: described polypropylene grafted acrylic acid percent grafting >=1.5%, weight average molecular weight >=20000.
A kind of polypropylene filler parent granule the most according to claim 1, it is characterised in that: described inorganic mineral filler is one or more in the Pulvis Talci of particle diameter >=1200 mesh, calcium carbonate and Muscovitum.
A kind of polypropylene filler parent granule the most according to claim 1, it is characterised in that: described triallyl cyanurate water content≤0.1%.
A kind of polypropylene filler parent granule the most according to claim 1, it is characterized in that: described antioxidant is four [β-(3,5-di-tert-butyl-hydroxy phenyl) propanoic acid] pentaerythritol ester and tricresyl phosphite (2,4--di-tert-butyl-phenyl) ester be by weight compounding for 1:2.
A kind of polypropylene filler parent granule the most according to claim 1, it is characterised in that: described lubricant is that white mineral oil, ethylene bis stearamide and calcium stearate are by weight compounding for 2:1:1.
8. the method for the polypropylene filler parent granule that a kind is prepared as described in any one of claim 1-7, it is characterised in that: comprise the following steps:
(1) polypropylene recovery material, polypropylene grafted acrylic acid, antioxidant, lubricant are poured in temperature control high-speed mixer mixing 2-3min by formula proportion；The temperature of described mixer is 75 DEG C-90 DEG C, rotating speed is 500-800r/min；
(2) compound in (1) adds inorganic mineral filler, after being uniformly added into triallyl cyanurate in whipping process, continue stirring mixing 10-15min, obtain premix material；
(3) L/D=44:1 is put in premix material
Double screw extruder in, after first preheating 2～4 minutes, again through melted, extrusion, evacuation, air-cooled, pelletizing and dry, i.e. preparing filler parent granule, wherein double screw extruder temperature is set to: pre-tabetisol 140～155 DEG C, the first melting zone 190～200 DEG C, first shear at high temperature district 200～210 DEG C, second shear at high temperature district 210～220 DEG C, second melts warm area 200～210 DEG C, and discharging opening melts warm area 190～200 DEG C.
The method preparing polypropylene filler parent granule the most according to claim 8, it is characterised in that: the rotating speed of described step (3) double screw extruder is 300～500 r/min.
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| CN111849114A (en) * | 2019-04-28 | 2020-10-30 | 合肥杰事杰新材料股份有限公司 | Modified regenerated composite plastic and preparation method thereof |
| CN117089146A (en) * | 2023-09-12 | 2023-11-21 | 骆驼集团塑胶制品有限公司 | Diluted filled masterbatch, low-cost filled polypropylene material and preparation method thereof |
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| CN101260249A (en) * | 2008-04-14 | 2008-09-10 | 上海华明高技术（集团）有限公司 | Method for modifying nano calcium carbonate and polyolefin master batch containing nano calcium carbonate |
| CN102643477A (en) * | 2012-02-13 | 2012-08-22 | 江门市道生工程塑料有限公司 | Environment-friendly flame-retardant polypropylene composite and manufacturing method thereof |
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| CN101260249A (en) * | 2008-04-14 | 2008-09-10 | 上海华明高技术（集团）有限公司 | Method for modifying nano calcium carbonate and polyolefin master batch containing nano calcium carbonate |
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| CN117089146A (en) * | 2023-09-12 | 2023-11-21 | 骆驼集团塑胶制品有限公司 | Diluted filled masterbatch, low-cost filled polypropylene material and preparation method thereof |
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Application publication date: 20170111 |