CN109096607A - A kind of polypropylene material and preparation method thereof with anti scuffing pressure mottling resistance energy - Google Patents
A kind of polypropylene material and preparation method thereof with anti scuffing pressure mottling resistance energy Download PDFInfo
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- CN109096607A CN109096607A CN201810782549.9A CN201810782549A CN109096607A CN 109096607 A CN109096607 A CN 109096607A CN 201810782549 A CN201810782549 A CN 201810782549A CN 109096607 A CN109096607 A CN 109096607A
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- polypropylene
- polypropylene material
- resistance energy
- anti scuffing
- antioxidant
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- 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
- 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
- C08L23/14—Copolymers of propene
-
- 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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four 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
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
Abstract
The invention discloses a kind of polypropylene materials and preparation method thereof with anti scuffing pressure mottling resistance energy, the component that polypropylene material includes has: polypropylene, talcum powder, toughener, high density polyethylene, silicone master batch, antioxidant, polytetrafluoroethylene (PTFE), auxiliary agent, and preparation method is to be uniformly mixed so as to obtain these components.Through the above way, polypropylene material and preparation method thereof with anti scuffing pressure mottling resistance energy of the invention, effectively improves the pressure mottling resistance energy of polypropylene material, while polyacrylic skin-friction coefficient is reduced, improve scratch resistance energy, method simple possible is readily produced.
Description
Technical field
The present invention relates to technical field of polymer materials, more particularly to a kind of poly- third with anti scuffing pressure mottling resistance energy
Alkene material and preparation method thereof.
Background technique
With the increasingly developed of automobile industry and growth, lightweight and to mould the main rotation that Dai Gang has become automobile industry
Rule.Modified polypropene is widely used in the interior exterior trim of automobile, and is wanted to the appearance property of automotive interior/exterior material
It asks and is also continuously improved.
Exterior trim easily collides in use, assembly, transportational process and colliding part is caused to generate color in polypropylene
Difference influences product appearance.It can make surface is smooth, reduces surface to rub by addition amides or polysiloxanes based compound at present
Wipe coefficient etc..Although can control surface color difference in a certain range, the gloss of material surface has notable difference.Greatly
Many automobiles can clearly require the pressure mottling resistance of polypropylene material, and go control because collision causes by this requirement
Gloss difference.Therefore need to develop while having the polypropylene material of anti scuffing, pressure mottling resistance energy.
It is also fewer to the research of the anti scuffing pressure mottling resistance energy of polypropylene material at this stage, such as Chinese patent
201711444872.7 disclose a kind of polypropylene material and preparation method thereof with excellent compression trace performance, by using portion
Divide mica substitution talcum powder and polyacrylic resistance to compression trace is improved by addition high density polyethylene (HDPE).But because mica powder is sheet
Structure is easy to build bridge, it may appear that the phenomenon that not blanking in actual processing process.In addition producer on the market is in order to keep mica powder
Laminated structure, usual processing method is wet process, mica powder is obtained by the method that roller is ground, containing a large amount of in such powder
Metal ion, it is not ageing-resistant.
Summary of the invention
The invention mainly solves the technical problem of providing it is a kind of with anti scuffing pressure mottling resistance can polypropylene material and
Preparation method, using effect are good.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: it provides a kind of with anti scuffing resistance to compression
The polypropylene material of trace performance, including polytetrafluoroethylene (PTFE).
In a preferred embodiment of the present invention, the polytetrafluoroethylene (PTFE) is in the polypropylene material for obtaining automobile interior exterior decorations
Application.
In a preferred embodiment of the present invention, the group that the polypropylene material with anti scuffing pressure mottling resistance energy includes
Dividing has: polypropylene, talcum powder, toughener, high density polyethylene, silicone master batch, antioxidant, polytetrafluoroethylene (PTFE), auxiliary agent.
In a preferred embodiment of the present invention, each component of the polypropylene material with anti scuffing pressure mottling resistance energy
Content are as follows: in parts by weight, 5-78 parts of polypropylene, 10-20 parts of talcum powder, 25-35 parts of toughener, high density polyethylene (HDPE)
65-75 parts of HDPE, 0-3 parts of silicone master batch, 0.1-0.5 parts of antioxidant, 0.3-2 parts of polytetrafluoroethylene (PTFE), 1-3 parts of auxiliary agent.
In a preferred embodiment of the present invention, the polypropylene is the mixed of homopolypropylene, copolymer polypropylene or both
Close object；At 230 DEG C and under test condition that normal loading is 2.16kg, the polyacrylic melt flow rate (MFR) is 5~70g/
10min。
In a preferred embodiment of the present invention, the particle size range of the talcum powder is 1~10 μm.
In a preferred embodiment of the present invention, the melt flow rate (MFR) of the toughener is 3~5g/10min；It is described
The density of high density polyethylene (HDPE) is 0.941~0.960g/cm3, melt flow rate (MFR) is 2~10g/10min.
In a preferred embodiment of the present invention, the antioxidant be hindered phenol antioxygen, it is phosphite antioxidant, thio
The mixture of esters antioxidant.
In a preferred embodiment of the present invention, the polytetrafluoroethylene (PTFE) is prepared using radiation cleavage technology；
The partial size of the polytetrafluoroethylene (PTFE) is 7.0 ± 0.5 μm, bulk density 0.38-0.43g/ml.
There is provided a kind of preparation method of polypropylene material with anti scuffing pressure mottling resistance energy, including step are as follows: (1) will slide
Mountain flour, polytetrafluoroethylene (PTFE) and antioxidant are mixed, whipping process are as follows: under conditions of first low whipping speed is 500~1000rpm
After stirring 10~20S, then low whipping speed adds polytetrafluoroethylene (PTFE) to stir 15-30S under conditions of 1000~1500rpm
Low whipping speed stirs 0.2~2min under conditions of being 100~500rpm, obtains mixed material；(2) step (1) is obtained
Mixed material and polypropylene, toughener, high density polyethylene (HDPE), silicone master batch, the auxiliary agent arrived mixes, and passes through double screw extruder
Main spout feeding, up to the polypropylene material with anti scuffing pressure mottling resistance energy after extrusion, granulation, drying.
In a preferred embodiment of the present invention, the double screw extruder is from being fed to the temperature for squeezing out each warm area of discharging
Setting an are as follows: area: 190~205 DEG C, 2nd area: 220~230 DEG C, 3rd area: 220~230 DEG C, 4th area: 220~230
DEG C, 5th area: 225~235 DEG C, 6th area: 225~235 DEG C, 7th area: 225~235 DEG C, 8th area: 215~235 DEG C, nine
Area: 215~235 DEG C, die head: 205~225 DEG C, the screw speed of the double screw extruder is 300~400rpm.
The beneficial effects of the present invention are: the polypropylene material with anti scuffing pressure mottling resistance energy of the invention and its preparation side
Method effectively improves polypropylene material by the method for the pure superfine powder of polytetrafluoroethylene of addition radiation cleavage technology preparation
Pressure mottling resistance energy, while the addition of superfine powder of polytetrafluoroethylene is so that the reduction of polyacrylic skin-friction coefficient, improves anti scuffing
Performance, method simple possible are readily produced.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's all other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
Embodiment one:
There is provided it is a kind of with anti scuffing pressure mottling resistance can polypropylene material, including component have: including polypropylene, talcum powder,
Toughener, high density polyethylene, silicone master batch, antioxidant, polytetrafluoroethylene (PTFE), auxiliary agent.Wherein the toughener is chosen
It is polyolefin elastomer, silicone master batch is alternatively referred to as scratch resistant agent, and auxiliary agent is black masterbatch, and polytetrafluoroethylene (PTFE) is also resistance to compression trace
Agent.The content of each component of the polypropylene material with anti scuffing pressure mottling resistance energy are as follows: 57-78 parts of polypropylene, talcum powder
10-20 parts, 30 parts of polyolefin elastomer, 70 parts of high density polyethylene, 0-3 parts of scratch resistant agent, the first antioxidant
0.2 part, 0.1 part of the second antioxidant, 0.1 part of third antioxidant, 1.5 parts of black masterbatch, 0.3-2 parts of resistance to compression trace agent.Specifically:
The content of each component of the polypropylene material with anti scuffing pressure mottling resistance energy are as follows: polypropylene 780kg, talcum powder
100kg, polyolefin elastomer 30kg, high density polyethylene 70kg, scratch resistant agent 20kg, the first antioxidant 2kg,
Second antioxidant 1kg, third antioxidant 1kg, black masterbatch 10kg, resistance to compression trace agent 3kg.
Above-mentioned raw materials source are as follows: the model that the polypropylene is produced using Beijing yanshan petrochemical Co., Ltd
The polypropylene of K7726；The talcum powder using the model M04SLC of Dutch Meng all Mining Markets talcum powder；It is described poly-
The elastomer for the model 8200 that olefin elastomer POE is produced using Dow Chemical；The high density polyethylene (HDPE)
The HDPE for the model 8008 that HDPE is produced using Sinopec Lanzhou Petrochemical；The scratch resistant agent is good using Zhejiang
Talk about the scratch resistant agent of the model Javachem HG for limited liability company's production of refining；There are three types of the antioxidant, and first is anti-
The antioxidant for the model 1010 that oxygen agent is produced using Yingkou scene new material limited liability company, the second antioxidant use
Be Yingkou scene new material limited liability company production model 168 antioxidant, third antioxidant is using South Korea
The antioxidant of the model DSDTP of Sun-won Industry Co., Ltd.'s production；The black masterbatch is raw using Cabot Co., Ltd of the U.S.
The black masterbatch of the model 2014 of production；The type of poly polymer Materials Co., Ltd production is opened up in the resistance to compression trace agent using Shanghai
Number be TP212 resistance to compression trace agent.
The polypropylene is the mixture of homopolypropylene, copolymer polypropylene or both.At 230 DEG C and normal loading is
Under the test condition of 2.16kg, the polyacrylic melt flow rate (MFR) is 5~70g/10min.The partial size model of the talcum powder
Enclose is 1~10 μm.The melt flow rate (MFR) of the polyolefin elastomer is 3~5g/10min.The high density polyethylene (HDPE)
Density be 0 .941~0 .960g/cm3, melt flow rate (MFR) is 2~10g/10min.Automobile PP interior material high-performance
Scratch resistance liniment is the super high molecular weight organosilicon containing specific functional groups, can play anchorage effect in PP resin, with PP material compatible
Property is good.First antioxidant is a kind of hindered phenol antioxygen of high molecular weight, and volatility is very low, and not easy to migrate, resistance to extraction
It takes.Second antioxidant is a kind of phosphite antioxidant haveing excellent performance.The third antioxidant DSTDP is Songyuan City of South Korea
The thioester antioxidant of a auxiliary of exploitation.The resistance to compression trace agent is the pure polytetrafluoroethyl-ne prepared using radiation cleavage technology
Alkene superfine powder, 7.0 ± 0.5 μm of partial size, bulk density 0.38-0.43g/ml.
There is provided a kind of preparation method of polypropylene material with anti scuffing pressure mottling resistance energy, including step are as follows: (1) will slide
Mountain flour, polytetrafluoroethylene (PTFE) and antioxidant are added to the stirring of mixed at high speed stirrer for mixing, whipping process are as follows: first low whipping speed
For under conditions of 500~1000rpm stir 10~20S after, then low whipping speed be 1000~1500rpm under conditions of stir
15-30S is added under conditions of polytetrafluoroethylene (PTFE) low whipping speed is 100~500rpm and is stirred 0.2~2min, obtains
Mixed material；(2) mixed material for obtaining step (1) and polypropylene, toughener, high density polyethylene (HDPE), silicone master batch, auxiliary agent
It mixes, is fed by the main spout of double screw extruder, there is anti scuffing pressure mottling resistance after extrusion, granulation, drying
Can polypropylene material, wherein the double screw extruder is from being fed to the temperature setting for squeezing out each warm area of discharging are as follows: an area:
190~205 DEG C, 2nd area: 220~230 DEG C, 3rd area: 220~230 DEG C, 4th area: 220~230 DEG C, 5th area: 225~
235 DEG C, 6th area: 225~235 DEG C, 7th area: 225~235 DEG C, 8th area: 215~235 DEG C, 9th area: 215~235
DEG C, die head: 205~225 DEG C, the screw speed of the double screw extruder is 300~400rpm.
Embodiment two:
A kind of polypropylene material with anti scuffing pressure mottling resistance energy, the content of each component are as follows: polypropylene 780kg, talcum are provided
Powder 150kg, polyolefin elastomer 30kg, high density polyethylene 70kg, scratch resistant agent 20kg, the first antioxidant
2kg, the second antioxidant 1kg, third antioxidant 1kg, black masterbatch 10kg, resistance to compression trace agent 5kg.The raw material and performance of component,
The preparation method of polypropylene material is the same as example 1.
Embodiment three:
A kind of polypropylene material with anti scuffing pressure mottling resistance energy, the content of each component are as follows: polypropylene 670kg, talcum are provided
Powder 200kg, polyolefin elastomer 30kg, high density polyethylene 70kg, scratch resistant agent 30kg, the first antioxidant
2kg, the second antioxidant 1kg, third antioxidant 1kg, black masterbatch 10kg, resistance to compression trace agent 5kg.The raw material and performance of component,
The preparation method of polypropylene material is the same as example 1.
Example IV:
A kind of polypropylene material with anti scuffing pressure mottling resistance energy, the content of each component are as follows: polypropylene 670kg, talcum are provided
Powder 200kg, polyolefin elastomer 30kg, high density polyethylene 70kg, scratch resistant agent 20kg, the first antioxidant
2kg, the second antioxidant 1kg, third antioxidant 1kg, black masterbatch 10kg, resistance to compression trace agent 10kg.The raw material and performance of component,
The preparation method of polypropylene material is the same as example 1.
Embodiment five:
A kind of polypropylene material with anti scuffing pressure mottling resistance energy, the content of each component are as follows: polypropylene 670kg, talcum are provided
Powder 200kg, polyolefin elastomer 30kg, high density polyethylene 70kg, scratch resistant agent 10kg, the first antioxidant
2kg, the second antioxidant 1kg, third antioxidant 1kg, black masterbatch 10kg, resistance to compression trace agent 15kg.The raw material and performance of component,
The preparation method of polypropylene material is the same as example 1.
Embodiment six:
A kind of polypropylene material with anti scuffing pressure mottling resistance energy, the content of each component are as follows: polypropylene 680kg, talcum are provided
Powder 200kg, polyolefin elastomer 30kg, high density polyethylene 70kg, the first antioxidant 2kg, the second antioxidant
1kg, third antioxidant 1kg, black masterbatch 10kg, resistance to compression trace agent 20kg.The system of the raw material and performance of component, polypropylene material
Preparation Method is the same as example 1.
Blank assay 1:
There is provided a kind of polypropylene material, the content of each component are as follows: polypropylene 780kg, talcum powder 100kg, polyolefin elastomer
POE 30kg, high density polyethylene 70kg, the first antioxidant 2kg, the second antioxidant 1kg, third antioxidant 1kg,
Black masterbatch 10kg.
Blank assay 2:
There is provided a kind of polypropylene material, the content of each component are as follows: polypropylene 780kg, talcum powder 100kg, polyolefin elastomer
POE 30kg, high density polyethylene 70kg, scratch resistant agent 20kg, the first antioxidant 2kg, the second antioxidant 1kg,
Three antioxidant 1kg, black masterbatch 10kg.
Progress anti scuffing performance test, pressure mottling resistance can test and thermal-oxidative aging property test, as a result such as following table.
| Test mark It is quasi- | Test item | Blank 1 | Blank 2 | Real 1 | Real 2 | Real 3 | Real 4 | Real 5 | Real 6 |
| PV3974 | Scratch-resistant △E | 2 | 1.2 | 1 | 0.8 | 0.9 | 0.8 | 1 | 1.1 |
| PV3952 | Resistance to compression trace DGG | 0.9 | 0.8 | 0.6 | 0.6 | 0.6 | 0.5 | 0.4 | 0.4 |
| 150℃/ 400H | Hot oxygen is old Change | Surface without Dusting and Cracking is existing As | Surface without Dusting and Cracking is existing As | Surface without Dusting and Cracking is existing As | Surface without Dusting and Cracking is existing As | Surface without Dusting and Cracking is existing As | Surface without Dusting and Cracking is existing As | Surface without Dusting and Cracking is existing As | Surface without Dusting and Cracking is existing As |
The anti scuffing performance test of polypropylene material: according to 3952 standard of PV, according to the color difference of test front and back material surface
Value changes △ E to judge.The numerical value of △ E is smaller, indicates that the scratch resistance of material can be better.The pressure mottling resistance energy of polypropylene material
Test: it according to 3974 standard of PV, is judged according to the glossiness variation DGG of test front and back material surface.The numerical value of DGG is smaller,
Indicate that the pressure mottling resistance of material can be better.The thermal-oxidative aging property of polypropylene material is tested: being connected in the convection oven of 150 DEG C of constant temperature
It is continuous to place 400H, it then observes whether surface has dusting and crack phenomenon, if not having, indicates the thermal-oxidative aging property of material very
It is good.
As can be seen that by addition polytetrafluoroethylene (PTFE), the pressure mottling resistance of polypropylene material can be greatly improved for upper table experiment, and
And with the increase of substitution ratio, pressure mottling resistance can be obviously improved.It is small to be primarily due to superfine powder of polytetrafluoroethylene bulk density,
In the engineering of material processing, the material surface moved to, surface forms the adamantine spherical surface diffused one by one.To
Reduce the depth of impression.It can also find out that the scoring resistance of polypropylene material can also be improved from experiment simultaneously.With
The increase of superfine powder of polytetrafluoroethylene content, the scratch resistance energy of material is improved, mainly since polytetrafluoroethylene (PTFE) is ultra-fine
Powder has lubricity effect, to reduce the skin-friction coefficient of material.In addition polypropylene material prepared by the present invention has anti-
While scratch, resistance to compression trace energy, the thermal-oxidative aging property of material is substantially unaffected.
Polytetrafluoroethylene (PTFE) forms many half small of hard spherical beads, anti-indentation test on the surface of polypropylene material
When, material surface is under pressure, i.e., the bead of spherical ptfe micropowder formed on the surface of the material sink, but will not allow
Material surface gloss has big difference.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright description is applied directly or indirectly in other relevant technology necks
Domain is included within the scope of the present invention.
Claims (10)
1. a kind of polypropylene material with anti scuffing pressure mottling resistance energy, which is characterized in that including polytetrafluoroethylene (PTFE).
2. the polypropylene material according to claim 1 with anti scuffing pressure mottling resistance energy, which is characterized in that described poly- four
Application of the vinyl fluoride in the polypropylene material for obtaining automobile interior exterior decorations.
3. the polypropylene material according to claim 1 with anti scuffing pressure mottling resistance energy, which is characterized in that described to have
The component that the polypropylene material of anti scuffing pressure mottling resistance energy includes has: polypropylene, talcum powder, toughener, high density polyethylene (HDPE)
HDPE, silicone master batch, antioxidant, polytetrafluoroethylene (PTFE), auxiliary agent.
4. the polypropylene material according to claim 3 with anti scuffing pressure mottling resistance energy, which is characterized in that described to have
The content of each component of the polypropylene material of anti scuffing pressure mottling resistance energy are as follows: in parts by weight, 5-78 parts of polypropylene, talcum powder
10-20 parts, 25-35 parts of toughener, 65-75 parts of high density polyethylene, 0-3 parts of silicone master batch, antioxidant 0.1-0.5
Part, 0.3-2 parts of polytetrafluoroethylene (PTFE), 1-3 parts of auxiliary agent.
5. the polypropylene material according to claim 3 or 4 with anti scuffing pressure mottling resistance energy, which is characterized in that described
Polypropylene is the mixture of homopolypropylene, copolymer polypropylene or both；At 230 DEG C and normal loading is the test-strips of 2.16kg
Under part, the polyacrylic melt flow rate (MFR) is 5~70g/10min.
6. the polypropylene material according to claim 3 or 4 with anti scuffing pressure mottling resistance energy, which is characterized in that described
The particle size range of talcum powder is 1~10 μm；The melt flow rate (MFR) of the toughener is 3~5g/10min；The high density is poly-
The density of ethylene is 0 .941~0 .960g/cm3, melt flow rate (MFR) is 2~10g/10min.
7. the polypropylene material according to claim 3 or 4 with anti scuffing pressure mottling resistance energy, which is characterized in that described
Antioxidant be hindered phenol antioxygen, phosphite antioxidant, thioester antioxidant mixture.
8. the polypropylene material according to claim 1 to 4 with anti scuffing pressure mottling resistance energy, which is characterized in that institute
Polytetrafluoroethylene (PTFE) is stated to be prepared using radiation cleavage technology；The partial size of the polytetrafluoroethylene (PTFE) is 7.0 ± 0.5 μm, body
Product density is 0.38-0.43g/ml.
9. the preparation method of the polypropylene material according to claim 1 with anti scuffing pressure mottling resistance energy, feature exist
In, including step are as follows: (1) talcum powder, polytetrafluoroethylene (PTFE) and antioxidant are mixed, whipping process are as follows: first low whipping speed
For under conditions of 500~1000rpm stir 10~20S after, then low whipping speed be 1000~1500rpm under conditions of stir
15-30S is added under conditions of polytetrafluoroethylene (PTFE) low whipping speed is 100~500rpm and is stirred 0.2~2min, obtains
Mixed material；(2) mixed material for obtaining step (1) and polypropylene, toughener, high density polyethylene (HDPE), silicone master batch, auxiliary agent
It mixes, is fed by the main spout of double screw extruder, there is anti scuffing pressure mottling resistance after extrusion, granulation, drying
The polypropylene material of energy.
10. preparation method according to claim 9, which is characterized in that the double screw extruder squeezes out out from being fed to
Expect the temperature setting of each warm area are as follows: an area: 190~205 DEG C, 2nd area: 220~230 DEG C, 3rd area: 220~230 DEG C, four
Area: 220~230 DEG C, 5th area: 225~235 DEG C, 6th area: 225~235 DEG C, 7th area: 225~235 DEG C, 8th area:
215~235 DEG C, 9th area: 215~235 DEG C, die head: 205~225 DEG C, the screw speed of the double screw extruder is
300~400rpm.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114437450A (en) * | 2022-03-15 | 2022-05-06 | 湖南省希润弗高分子新材料有限公司 | Master batch for delustering polyolefin |
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| CN104045908A (en) * | 2014-06-10 | 2014-09-17 | 合肥会通新材料有限公司 | Spraying-free scratch-resistant polypropylene composite material used for car exterior trimming parts and preparation method of composite material |
| CN104877237A (en) * | 2015-06-19 | 2015-09-02 | 合肥工业大学 | Polypropylene composite materials, preparation method and application |
| KR20160125869A (en) * | 2015-04-21 | 2016-11-01 | 삼성디스플레이 주식회사 | Tray |
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- 2018-07-17 CN CN201810782549.9A patent/CN109096607A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104045908A (en) * | 2014-06-10 | 2014-09-17 | 合肥会通新材料有限公司 | Spraying-free scratch-resistant polypropylene composite material used for car exterior trimming parts and preparation method of composite material |
| KR20160125869A (en) * | 2015-04-21 | 2016-11-01 | 삼성디스플레이 주식회사 | Tray |
| CN104877237A (en) * | 2015-06-19 | 2015-09-02 | 合肥工业大学 | Polypropylene composite materials, preparation method and application |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114437450A (en) * | 2022-03-15 | 2022-05-06 | 湖南省希润弗高分子新材料有限公司 | Master batch for delustering polyolefin |
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Application publication date: 20181228 |
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