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Organosilane crosslinked polyolefin elastic-body composition

A polyolefin elastomer and silane cross-linking technology, applied in the field of silane cross-linked polyolefin elastomer composition, can solve the problems of odor and color, difficult processing, high cost, etc., and achieve the effect of no color change and cost reduction

Inactive Publication Date: 2005-09-28
SINOPEC YANGZI PETROCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the invention is to overcome the shortcomings of the prior art, such as high cost, difficult processing, smell and color, etc., and provide a new elastic body

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] PP 30phr

[0017] ULDPE 50phr

[0018] Paraffin oil 50phr

[0019] Silane 2phr

[0020] Peroxide 0.5phr

[0021] Water 0.1phr

[0022] Antioxidant amount

Embodiment 2

[0024] PP 50phr

[0025] ULDPE 80phr

[0026] Paraffin oil 100phr

[0027] Silane 10phr

[0028] Peroxide 2.5phr

[0029] Water 5.0phr

[0030] Antioxidant amount

Embodiment 3

[0032] PP 40phr

[0033] ULDPE 60phr

[0034] Paraffin oil 75phr

[0035] Silane 6phr

[0036] Peroxide 1.2phr

[0037] Water 0.8phr

[0038] Antioxidant amount

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PUM

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Abstract

The invention is silicon alkyl cross-linking polyolefin elastomer combination, adopting LLDPE (or ULDPE) and paraffin ot replace EPDM and using silicon grafting system to replace bakelite sulfuration system. It can meet different demands. The components of the compound: PP 2-10 phr; LDPE or ULDPE 50-80 phr; paraffin 50-500 phr; silicon hydride 2-10 phr; peroxide 0.5-2.5 phr; water 0.1-5.0 phr; and anti-oxidizing agent: 0.1-0.3%.

Description

[0001] technology field. [0002] The invention relates to an elastomer composition, in particular to a silane cross-linked polyolefin elastomer composition with the characteristics of high strength, aging resistance, oil resistance and the like. Background technique [0003] At present, the main varieties of elastomers are EPDM / polypropylene (PP) dynamic vulcanization. For example, Monsanto Company in the United States and DSM Company in the Netherlands all have EPDM / PP elastomer products. It melts and blends rubber and resin in a high-temperature and high-shear mixer, vulcanizes the rubber in situ under the action of a vulcanizing agent, and finely disperses it in the resin to form a stable dispersion system. The vulcanization system in the existing technology in the market uses phenolic resin, which generally has a certain smell and color, and it is not easy to make light-colored products, and the cost of EPDM is relatively high, and the block material is not easy to proces...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08J3/24C08K5/54C08L23/00
Inventor 徐振明钟会南傅勇
Owner SINOPEC YANGZI PETROCHEM
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