CN1854180A - Modification of engineering plastics (PP) for vehicle - Google Patents
Modification of engineering plastics (PP) for vehicle Download PDFInfo
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- CN1854180A CN1854180A CN 200510025422 CN200510025422A CN1854180A CN 1854180 A CN1854180 A CN 1854180A CN 200510025422 CN200510025422 CN 200510025422 CN 200510025422 A CN200510025422 A CN 200510025422A CN 1854180 A CN1854180 A CN 1854180A
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- Prior art keywords
- modification
- engineering plastics
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- polypropylene
- vehicle
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Abstract
An engineering plastic (PP) modification for automobile consists of polypropylene 74-80wt%, graft substance 3-8wt%, minerals 10-20wt%, processing aid and colored powder 3-8wt%. The process is carried out by adding into EPDM, filling PP polymer with hydrated magnesium silicate and mineral powders and reinforcing PP materials by glass fiber. It has better impact toughness, heat resistance, rigid and hardness.
Description
Affiliated technical field
The present invention relates to a kind of exploitation that is applied to engineering plastics polypropylene (PP) material on the automotive industry.
Background technology
The forming process goodsization of present pure macromolecular material, because of the restriction of himself natural characteristics, influenced it under actual environment for use condition as: the use of temperature, load, ultraviolet radiation, medium, alternation environment.
Summary of the invention
The purpose of this invention is to provide and a kind ofly can improve the dimensional stability of shock-resistance, creep resistant, raising goods, the automobile engineering plastics polypropylene of flame retardant resistance.
For achieving the above object, the present invention takes following technical scheme:
Engineering plastics (PP) modification of a kind of automobile, in weight percent, polypropylene 74-80, grafts 3-8, mineral substance 10-20, processing aid and toner 3-8.
Owing in copolymerization or homopolymerization PP polymkeric substance, add EPDM as one feels fit, increase the impelling strength of material; Fill with talcum powder, breeze in the PP polymkeric substance, the resistance toheat of material, hardness can increase; Strengthen the PP material with glass fibre, its hardness, tensile strength, rigidity and thermotolerance all can improve.
Embodiment
Automobile is the polycomponent heterogeneous system with various miscible states that two kinds or multiple polymers are formed with the principle of engineering plastics (PP) modification, comprises grafting, segmented copolymer and interpenetrating net polymer, also is referred to as polyblend.Polyblend is divided into two classes: crystal polymer thing and non-crystalline type polymkeric substance, with regard to engineering plastics, non-crystalline type polymkeric substance heat-drawn wire is about about 120 ℃, and Young's modulus is about 1962MPa, and solvent resistance and processing fluidity are poor than the crystal polymer thing.The crystal polymer thing is generally used glass glass fiber, and fillers such as breeze carry out compound enhancing, and its heat-drawn wire can be reached about 200 ℃, and modulus of elasticity reaches about 9810MPa, but the material embrittlement, anisotropy.Therefore crystal type and non-crystalline type polymkeric substance be by blend, can the mutual defective of complementation, thus bring into play the characteristic of alloy material.
Embodiment is as follows: by weight percentage,
| Composition | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Polypropylene | 74 | 76 | 80 |
| Grafts | 3 | 5 | 8 |
| Mineral substance | 20 | 15 | 10 |
| Processing aid, toner | 3 | 4 | 8 |
Wherein, grafts is horse rice acid grafting, and mineral substance is the talcum master batch, and processing aid, toner are antioxidant, lubricant, anti UV agent.
Embodiment 4
| Composition | By weight percentage |
| Polypropylene | 81 |
| Polyethylene | 10 |
| Properties-correcting agent EPDM or POE | 6 |
| Processing aid, toner are antioxidant, anti UV agent | 3 |
Concrete effect is as follows:
(1). the MODIFIED PP of filling with 20% talcum powder: the yield strength of this material is not less than 30MPa, and bending strength is not less than 40MPa, and impelling strength is not less than 20kJ/m
2, notch shock toughness is not less than 2.5kJ/m
2, part is 700 hours embrittlements not in 150 ℃ recirculated air.Now be used for automobile products such as oil pipe Abdeckteil, defroster vent, instrument cases, wind scooper;
(2). with 20% glass enhanced PP: the yield strength of this material is not less than 18MPa, modulus in flexure is not less than 1515MPa, socle girder impelling strength is not less than 65J/m, and heat-drawn wire is not less than 105 ℃, and product stands not embrittlement of 150 ℃/1000h weathering test material.Now be used for automobile products such as engine thermal baffle;
(3). add ageing-resistant PP: the yield strength of this material is not less than 23MPa, and modulus in flexure is not less than 725MPa, and notched izod impelling strength is not less than 109J/m, through 2500kJ/m
2, the test of 340nm xenon lamp aging, outward appearance does not have considerable change.Now be used for the outer door handle packing ring of automobile etc. and be exposed to part under the daylight.
Age-inhibiting addition---UV light absorber, using always has additives such as UV-9, UV-531, UV-P, UV-327.
Oxidation inhibitor is hindered phenol and hindered amine.
Claims (1)
1. automobile engineering plastics (PP) modification is characterized in that: in weight percent, and polypropylene 74-80, grafts 3-8, mineral substance 10-20, processing aid and toner 3-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510025422 CN1854180A (en) | 2005-04-26 | 2005-04-26 | Modification of engineering plastics (PP) for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510025422 CN1854180A (en) | 2005-04-26 | 2005-04-26 | Modification of engineering plastics (PP) for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1854180A true CN1854180A (en) | 2006-11-01 |
Family
ID=37194660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510025422 Pending CN1854180A (en) | 2005-04-26 | 2005-04-26 | Modification of engineering plastics (PP) for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1854180A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101696303B (en) * | 2009-10-14 | 2011-09-14 | 苏州禾盛新型材料股份有限公司 | Novel compatibilized polypropylene/glass fiber composite material and preparation method thereof |
| CN105694170A (en) * | 2016-04-26 | 2016-06-22 | 国网山东省电力公司莒南县供电公司 | Electric power engineering construction tool box and preparation method thereof |
| CN106633401A (en) * | 2016-12-20 | 2017-05-10 | 太仓市天丝利塑化有限公司 | PP material for infant car seat and injection molding process of PP material |
-
2005
- 2005-04-26 CN CN 200510025422 patent/CN1854180A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101696303B (en) * | 2009-10-14 | 2011-09-14 | 苏州禾盛新型材料股份有限公司 | Novel compatibilized polypropylene/glass fiber composite material and preparation method thereof |
| CN105694170A (en) * | 2016-04-26 | 2016-06-22 | 国网山东省电力公司莒南县供电公司 | Electric power engineering construction tool box and preparation method thereof |
| CN106633401A (en) * | 2016-12-20 | 2017-05-10 | 太仓市天丝利塑化有限公司 | PP material for infant car seat and injection molding process of PP material |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Guo Zhigao Document name: Notification of the application for patent for invention to go through the substantive examination procedure |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |