CN1091143A - Ethylene-vinyl acetate copolymer (EVA) fender and manufacture craft - Google Patents
Ethylene-vinyl acetate copolymer (EVA) fender and manufacture craft Download PDFInfo
- Publication number
- CN1091143A CN1091143A CN 93120468 CN93120468A CN1091143A CN 1091143 A CN1091143 A CN 1091143A CN 93120468 CN93120468 CN 93120468 CN 93120468 A CN93120468 A CN 93120468A CN 1091143 A CN1091143 A CN 1091143A
- Authority
- CN
- China
- Prior art keywords
- eva
- vinyl acetate
- fender
- pressure polyethylene
- manufacture craft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The prescription of a kind of ethene-vinyl acetate between to for plastic resin copolymer (EVA) fender is: EVA resin, high-pressure polyethylene, low pressure polyethylene, carbon black.Advantage of the present invention is: employing be that a kind of novel modified plastic material is compared with the General Purpose Rubber material and had anti-aging low temperature resistant characteristics.
Description
The invention belongs to the automobile fender, particularly a kind of ethene-vinyl acetate resin copolymer (EVA) automobile fender and manufacture craft.
At present China's automobile adopts HG4-543 II group General Purpose Rubber material to make with fender mostly, and the high aging resistance of this material fragility temperature is poor, and work-ing life is low, often sees the phenomenon that stone that the automobile fender that uses 1-2 taken up by wheel breaks.
The purpose of this invention is to provide a kind of ethene-vinyl acetate resin copolymer (EVA) automobile fender, overcome above-mentioned shortcoming and defect.
The object of the present invention is achieved like this:
The prescription of a kind of ethene-vinyl acetate resin copolymer (EVA) automobile fender is: EVA resin, high-pressure polyethylene, low pressure polyethylene, carbon black.
Its formula rate is: EVA portions of resin high-pressure polyethylene: low pressure polyethylene: carbon black is 10: 4: 1: 0.02.
Its automobile fender manufacture craft schematic flow sheet is as follows: batching → mixing → granulation → roll and prolong → cut material → moulding
Advantage of the present invention is:
Ethene-vinyl acetate resin copolymer (EVA) automobile fender adopts is that a kind of novel modified plastic material is compared with the General Purpose Rubber material and had anti-aging low temperature resistant characteristics. adopt HG4-543 II group General Purpose Rubber material as follows with the contrast properties of modified EVA automobile usefulness fender material:
Standard of performance HG4-543 II group
Project
Hardness (Shao Er A) degree 55 ± 5
Tensile strength at yield 14.7
Tensile yield (%) is not more than 500
Temperature limit of brittleness ℃ is not higher than-45
(70 ± 2 ℃ of aging coefficients
* 96 hours) be not less than 0.7
The EVA fender
Project
Hardness (Shao Er A) degree 96
Tensile strength at yield 14.7
Tensile yield (%) is not more than 510
Temperature limit of brittleness ℃ is not higher than-45
(70 ± 2 ℃ of aging coefficients
* 96 hours) be not less than 1.12
This project is mainly Tianjin Xiali, big sends out, 1041 automobiles, prosperous river automobile etc. are supporting, and this project belongs to domestic initiation, substitutes import, has filled up domestic blank, classifies the Spark Plan project in 93 years as for the Municipal Commission of Science and Technology.
The economic benefit of this generation:
The end of the year output value/ten thousand yuan profits tax/ten thousand yuan save foreign exchange/ten thousand yuan
94 640 168 75
95 1440 369 169
96 1660 425 195
Along with the development of Domestic Automotive Industry, these project market outlook are wide, and economic benefit and the social benefit that see are arranged.
Claims (3)
1, the prescription of a kind of ethene-vinyl acetate resin copolymer (EVA) automobile fender is: EVA resin, high-pressure polyethylene, low pressure polyethylene, carbon black.
2, its formula rate of ethene-vinyl acetate resin copolymer according to claim 1 (EVA) automobile fender is: EVA portions of resin high-pressure polyethylene: low pressure polyethylene: carbon black is 10: 4: 1: 0.02.
3, as follows according to claim 1,2 its manufacture craft schematic flow sheets of described ethene-vinyl acetate resin copolymer (EVA) automobile fender: batching → mixing → granulation → roll and prolong → cut material → moulding
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN93120468A CN1042736C (en) | 1993-12-17 | 1993-12-17 | Mudguard made of ethylene-vinyl acetate copolymer and its mfg. process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN93120468A CN1042736C (en) | 1993-12-17 | 1993-12-17 | Mudguard made of ethylene-vinyl acetate copolymer and its mfg. process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1091143A true CN1091143A (en) | 1994-08-24 |
| CN1042736C CN1042736C (en) | 1999-03-31 |
Family
ID=4993318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN93120468A Expired - Fee Related CN1042736C (en) | 1993-12-17 | 1993-12-17 | Mudguard made of ethylene-vinyl acetate copolymer and its mfg. process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1042736C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1296245C (en) * | 2001-07-10 | 2007-01-24 | Hp－舍米·佩尔策研究发展公司 | Vehicle wheel-housing cover |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3605848A1 (en) * | 1986-02-22 | 1987-08-27 | Standard Elektrik Lorenz Ag | Thermoplastic polymer mixture |
-
1993
- 1993-12-17 CN CN93120468A patent/CN1042736C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1296245C (en) * | 2001-07-10 | 2007-01-24 | Hp－舍米·佩尔策研究发展公司 | Vehicle wheel-housing cover |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1042736C (en) | 1999-03-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |