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New type polyolefin thermoplastic elastomer

A thermoplastic elastomer and polyolefin technology, which is applied in the field of polyolefin thermoplastic elastomers, can solve the problems of odor generation, expensive POE, environmental impact, etc., and achieve low cost, excellent mechanical properties and processing performance, and wide application range.

Inactive Publication Date: 2007-02-28
GUANGZHOU LUSHAN NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the price of POE is more expensive, which makes the cost of TPO products of POE / PP system higher. Moreover, because the dynamic vulcanization method uses peroxide as a crosslinking agent, odor will be generated during material processing, which has a certain impact on the environment.

Method used

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  • New type polyolefin thermoplastic elastomer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Embodiment one weight percent (%)

[0026] PPZ30S 29.3

[0027] POE8180 58.5

[0028] SBS(791) 9.8

[0029] Vulcanizing agent 101 0.15

[0030] Auxiliary cross-linking agent TAIC 0.15

[0031] Nano Talc 1.9

[0032] Antioxidant 1010 0.1

[0033] Light stabilizer 770 0.1

[0034] Tensile strength

[0035] The test condition of melt index is 190°C / 2.16Kg, the same below.

Embodiment 2

[0036] Embodiment two weight percent (%)

[0037] PPZ30S 29.3

[0038] POE8180 63.5

[0039] SBS(791) 4.8

[0040] Vulcanizing agent 101 0.15

[0041] Auxiliary cross-linking agent TAIC 0.15

[0042] Nano Talc 1.9

[0043] Antioxidant 1010 0.1

[0044] Light stabilizer 770 0.1

[0045] Tensile strength

degree MPa

elongation at break

Rate(%)

Melt Index

(g / 10min)

Shore hardness

Stress at modulus

A

D

100％

200％

300％

9.7

577

0.7

88

26

5.6

6.5

7.4

[0046] Implement three weight percentage (%)

[0047] PPZ30S 29.3

[0048] POE8180 48.5

[0049] SBS(791) 19.8

[0050] Vulcanizing agent 101 0.15

[0051] Auxiliary cross-linking agent TAIC 0.15

[0052] Nano Talc 1.9

[0053] Anti-slip agent 1010 0.1

[0054]Light stabilizer 770 0.1

[0055] Tensile strength

Embodiment 4

[0056] Embodiment four weight percent (%)

[0057] PPZ30S 39.3

[0058] POE8180 28.5

[0059] SBS(791) 29.8

[0060] Vulcanizing agent 101 0.15

[0061] Auxiliary cross-linking agent TAIC 0.15

[0062] Nano Talc 1.9

[0063] Antioxidant 1010 0.1

[0064] Light stabilizer 770 0.1

[0065] Tensile strength

[0066] The ratio of each raw material can be adjusted according to the user's requirements, and TPO products with various specifications can be produced with performance that meets the needs.

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Abstract

A process for preparing new type of TPO includes obtaining seed masterbatch made of polypropylene, ethylene-octene copolymerized elastomer styrene-butadiene-styrene ternary block copolymer, valcanizing agent, cross-linking agent by dynamic valcanizing and cross-linking in scrow extrudor; adding nanotalcum powder and assistants; extruding and pelletizing.

Description

technical field [0001] The present invention relates to a polyolefin thermoplastic elastomer. Background technique [0002] Polyolefin thermoplastic elastomer (TPO) is a high-performance thermoplastic elastomer material with excellent elastomer properties, good processing performance and excellent weather resistance. It is widely used as a substitute for rubber in automobiles, cables, textiles, fields such as construction and home appliances. TPO is mainly composed of rubber and polyolefin. Rubber mainly includes EPDM, nitrile rubber (NBR) and butyl rubber. Polyolefins mainly include polypropylene (PP) and polyethylene (PE). At present, TPO of EPDM / PP system is the most commonly used. There are many studies on this system, especially the comprehensive performance of EPDM / PP system elastomer has been continuously improved through dynamic vulcanization, and various elastomer products with good mechanical properties and excellent resilience have been put on the market. Howev...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L23/12C08L23/08C08K5/3435B29C47/40
Inventor 王传玉汪加胜唐舫成朱东湖
Owner GUANGZHOU LUSHAN NEW MATERIALS
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