CN106432939A - Engineering plastic material and preparation method - Google Patents
Engineering plastic material and preparation method Download PDFInfo
- Publication number
- CN106432939A CN106432939A CN201610878282.4A CN201610878282A CN106432939A CN 106432939 A CN106432939 A CN 106432939A CN 201610878282 A CN201610878282 A CN 201610878282A CN 106432939 A CN106432939 A CN 106432939A
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- CN
- China
- Prior art keywords
- engineering plastic
- plastic materials
- antioxidant
- resin
- styrene
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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
- C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
- C08L25/02—Homopolymers or copolymers of hydrocarbons
- C08L25/04—Homopolymers or copolymers of styrene
- C08L25/06—Polystyrene
-
- 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
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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)
- Processes Of Treating Macromolecular Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to an engineering plastic material, which is characterized by being prepared from the following components in parts by weight: 70 to 90 parts of PS (Polystyrene) resin, 3 to 5 parts of styrene-maleic anhydride copolymer, 5 to 30 parts of cocoanut shell fiber powder, 0.5 to 1 part of erucyl amide and 0.5 to 1 part of antioxidant. According to the engineering plastic material and a preparation method, through cooperating the PS resin of a specific molecular weight and structure with the styrene-maleic anhydride copolymer of a specific molecular weight and mixing with the cocoanut shell fiber powder and the erucyl amide, an engineering plastic which has excellent mechanical strength and toughness is obtained.
Description
Technical field
The invention belongs to Material Field is and in particular to a kind of engineering plastic materials and preparation method.
Background technology
Polystyrene (Polystyrene, abridge PS) referred to by styrene monomer through gathering that free radical polymerization synthesizes
Compound, is a kind of water white thermoplastic, has the glass transition temperature higher than 100 DEG C, is therefore usually utilized to make
Make the disposable container of the various temperature needing to bear boiling water, and disposable foam food boxes etc..
80～90 DEG C of polystyrene vitrification point, 1.04～1.06 grams/cc of the amorphous density of states, crystalline density
1.11～1.12 grams/cc, 240 DEG C of melt temperature, resistivity is 1020～1022 Europe centimetre.During 30 DEG C of thermal conductivity factor
0.116 watt/(rice is opened).Common polystyrene is amorphous state atactic polymer, has excellent thermal insulation, insulation and transparent
Property, 0～70 DEG C of Long-Time Service temperature, but crisp, low temperature is easy to crack.
This area needs to develop the engineering plastics that a kind of toughness is high, mechanical strength is big.
Content of the invention
An object of the present invention is to provide a kind of engineering plastic materials, and it includes forming as follows by weight：
PS resin 70～90
Styrene-maleic anhydride copolymer 3～5
Coir powder 5～30
Erucyl amide 0.5～1
Antioxidant 0.5～1
Preferably, the number-average molecular weight of described styrene-maleic anhydride copolymer is 2500～3000g/mol.
Preferably, the polymerized monomer of described PS resin is p-methylstyrene.
Preferably, the weight average molecular weight of described PS resin is 12～180,000.
Preferably, the powder that coir powder is worn into for cocoanut shell.
Preferably, described antioxidant is any a kind in scheme kind antioxidant, phenolic antioxidant or phosphite antioxidant
Or at least 2 kinds of combination.
The second object of the present invention is to provide a kind of method of the engineering plastic materials as described in one of purpose, methods described
Comprise the steps：
(1) the formula preparation raw material of the engineering plastics as described in claim 1～6 any one, and in high-speed mixer
Middle combination drying；
(2) mixed raw material is lowered the temperature, put into double screw extruder and carry out basis, obtain AS engineering plastics master batch.
Preferably, the temperature of described combination drying is 150～180 DEG C.
Compared with prior art, the invention has the advantages that：
The present invention passes through to coordinate the PS resin of specified molecular weight and structure, the phenylethylene-maleic anhydride with specified molecular weight
Copolymer, is mixed with coir powder and erucyl amide, has obtained a kind of engineering with excellent mechanical strength and toughness
Plastics.
Specific embodiment
To further illustrate technical scheme below by specific embodiment.
Those skilled in the art, it will be clearly understood that described embodiment is only to aid in understanding the present invention, are not construed as to this
Bright concrete restriction.
Embodiment 1
A kind of engineering plastic materials, it includes forming as follows by weight：
PS resin (polymerized monomer is styrene) 75
Styrene-maleic anhydride copolymer (molecular weight is 2500～3000g/mol) 4
The powder 20 that cocoanut shell is worn into
Erucyl amide 0.7
Antioxidant 0.7
Preparation method comprises the steps：
(1) formula preparation raw material, and combination drying in high-speed mixer are pressed, mixing temperature is 170 DEG C；
(2) mixed raw material is lowered the temperature, put into double screw extruder and carry out basis, obtain PS engineering plastics master batch.
Embodiment 2
A kind of engineering plastic materials, it includes forming as follows by weight：
PS resin (polymerized monomer is p-methylstyrene) 75
Styrene-maleic anhydride copolymer (molecular weight is 2500～3000g/mol) 4
The powder 20 that cocoanut shell is worn into
Erucyl amide 0.7
Antioxidant 0.7
Preparation method comprises the steps：
(1) formula preparation raw material, and combination drying in high-speed mixer are pressed, mixing temperature is 170 DEG C；
(2) mixed raw material is lowered the temperature, put into double screw extruder and carry out basis, obtain PS engineering plastics master batch.
Embodiment 3
A kind of engineering plastic materials, it includes forming as follows by weight：
PS resin (polymerized monomer is p-methylstyrene) 80
Styrene-maleic anhydride copolymer (molecular weight is 3000g/mol) 3
The powder 30 that trees trunk is worn into
Erucyl amide 0.5
Antioxidant 1
Preparation method comprises the steps：
(1) formula preparation raw material, and combination drying in high-speed mixer are pressed, mixing temperature is 150 DEG C；
(2) mixed raw material is lowered the temperature, put into double screw extruder and carry out basis, obtain PS engineering plastics master batch.
Embodiment 4
A kind of engineering plastic materials, it includes forming as follows by weight：
PS resin (polymerized monomer is p-methylstyrene) 90
Styrene-maleic anhydride copolymer (molecular weight is 2500g/mol) 5
The powder 5 that trees trunk is worn into
Erucyl amide 1
Antioxidant 0.5
Preparation method comprises the steps：
(1) formula preparation raw material, and combination drying in high-speed mixer are pressed, mixing temperature is 180 DEG C；
(2) mixed raw material is lowered the temperature, put into double screw extruder and carry out basis, obtain PS engineering plastics master batch.
Performance test
Applicant states, the present invention illustrates the process of the present invention by above-described embodiment, but the present invention not office
It is limited to above-mentioned processing step, that is, do not mean that the present invention has to rely on above-mentioned processing step and could implement.Art
Technical staff is it will be clearly understood that any improvement in the present invention, the equivalence replacement to raw material selected by the present invention and auxiliary element
Interpolation, selection of concrete mode etc., within the scope of all falling within protection scope of the present invention and disclosure.
Claims (8)
1. a kind of engineering plastic materials are it is characterised in that it includes forming as follows by weight：
PS resin 70～90
Styrene-maleic anhydride copolymer 3～5
Coir powder 5～30
Erucyl amide 0.5～1
Antioxidant 0.5～1.
2. engineering plastic materials according to claim 1 are it is characterised in that described styrene-maleic anhydride copolymer
Number-average molecular weight is 2500～3000g/mol.
3. engineering plastic materials according to claim 1 are it is characterised in that the polymerized monomer of described PS resin is to methyl
Styrene.
4. engineering plastic materials according to claim 1 it is characterised in that described PS resin weight average molecular weight be 20～
250000.
5. engineering plastic materials according to claim 1 are it is characterised in that what coir powder was worn into for cocoanut shell
Powder.
6. engineering plastic materials according to claim 1 are it is characterised in that described antioxidant is scheme kind antioxidant, phenol
Any a kind in kind antioxidant or phosphite antioxidant or at least 2 kinds of combination.
7. a kind of method preparing the engineering plastic materials as described in claim 1-6 any one is it is characterised in that described side
Method comprises the steps：
(1) the formula preparation raw material of the engineering plastics as described in claim 1～6 any one, and mixed in high-speed mixer
Close drying；
(2) mixed raw material is lowered the temperature, put into double screw extruder and carry out basis, obtain PS engineering plastics master batch.
8. method according to claim 7 is it is characterised in that the temperature of described combination drying is 150～180 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610878282.4A CN106432939A (en) | 2016-09-30 | 2016-09-30 | Engineering plastic material and preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610878282.4A CN106432939A (en) | 2016-09-30 | 2016-09-30 | Engineering plastic material and preparation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106432939A true CN106432939A (en) | 2017-02-22 |
Family
ID=58171978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610878282.4A Pending CN106432939A (en) | 2016-09-30 | 2016-09-30 | Engineering plastic material and preparation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106432939A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106479077A (en) * | 2016-11-18 | 2017-03-08 | 无锡明盛纺织机械有限公司 | A kind of engineering plastics and preparation method |
| CN108752707A (en) * | 2018-06-20 | 2018-11-06 | 佛山市禅城区钜艺塑料厂 | A kind of high-strength engineering plastic |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1740234A (en) * | 2005-09-16 | 2006-03-01 | 浙江诚信包装材料有限公司 | Making process of compound wood-plastic material product |
| KR100764151B1 (en) * | 2006-09-05 | 2007-10-08 | 최인식 | Wooden powder resin composite and method thereof |
| CN101864118A (en) * | 2010-05-28 | 2010-10-20 | 金发科技股份有限公司 | Styrene-based non-halogen flame-retardant injection-grade wood-plastic composite material and preparation method thereof |
-
2016
- 2016-09-30 CN CN201610878282.4A patent/CN106432939A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1740234A (en) * | 2005-09-16 | 2006-03-01 | 浙江诚信包装材料有限公司 | Making process of compound wood-plastic material product |
| KR100764151B1 (en) * | 2006-09-05 | 2007-10-08 | 최인식 | Wooden powder resin composite and method thereof |
| CN101864118A (en) * | 2010-05-28 | 2010-10-20 | 金发科技股份有限公司 | Styrene-based non-halogen flame-retardant injection-grade wood-plastic composite material and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106479077A (en) * | 2016-11-18 | 2017-03-08 | 无锡明盛纺织机械有限公司 | A kind of engineering plastics and preparation method |
| CN108752707A (en) * | 2018-06-20 | 2018-11-06 | 佛山市禅城区钜艺塑料厂 | A kind of high-strength engineering plastic |
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| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170222 |