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CPE/POE (chlorinated polyethylene/polyolefin elastomer) component type electro-insulating rubber and preparation method thereof

A technology of insulating rubber and high content, which is applied in the direction of plastic/resin/wax insulators, organic insulators, etc., and can solve the problems of high product cost and high EPDM price

Active Publication Date: 2010-07-21
YANGZHOU HUASHENG ELECTRONICS IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the high price of EPDM, the product cost is also high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1～3

[0055] Examples 1-3 were prepared according to the parts by weight of each component shown in Table 1.

[0056] Table 1

[0057] project

Implementation 1

Implementation 2

Implementation 3

POE

44

50

54

Chlorinated polyethylene

56

50

46

talcum powder

100

100

100

Ground calcium carbonate

80

80

80

magnesium oxide

4.8

4.8

4.8

Zinc oxide

1.5

1.5

1.5

stearic acid

0.4

0.4

0.4

Tetrakis[β-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate]pentaerythritol ester

0.8

/

0.8

4,4-bis(α′α-dimethylbenzyl)diphenylamine

/

0.8

/

2,2,4-Trimethyl-1,2-dihydroquinoline polymer

2.0

1.6

2.6

2-thiolbenzimidazole

/

1.0

/

paraffinic base oil

4.0

4.2

4.2

dicumyl peroxide

5.2

5.2

5.2

Triallyl isocyanurate ...

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PUM

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Abstract

The invention discloses CPE / POE (chlorinated polyethylene / polyolefin elastomer) component type electro-insulating rubber and a preparation method thereof. The electro-insulating rubber is prepared from the following components in parts by weight: 40-60 parts of chlorinated polyethylene, 40-60 parts of POE, 80-110 parts of talcum powder, 70-90 parts of heavy calcium carbonate, 5-15 parts of paraffinic based oil, 3-10 parts of cross-linking agent and 2-8 parts of cross-linking aids. The insulation rubber is prepared by the extrusion and the granulation by a double-screw extruder in a dynamic vulcanization way.

Description

technical field [0001] The invention relates to an insulating rubber and a preparation method thereof, in particular to a CPE / POE component type insulating rubber and a preparation method thereof. Background technique [0002] The insulating rubber of traditional rubber insulated cables adopts CPE / EPDM component type. This type of insulating rubber chooses chlorinated polyethylene (CPE) and EPDM (EPDM) as the main material, and other compounding agents are added and steamed. It is made by continuous vulcanization reaction for vulcanization and cross-linking. However, due to the high price of EPDM, the product cost is also high. Therefore, it has become one of the hot issues in the industry to find a material that can replace EPDM and provide an insulating rubber with lower cost and performance that can meet the standard requirements. Contents of the invention [0003] In order to overcome the deficiencies in the prior art, the object of the present invention is to solve ...

Claims

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Application Information

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IPC IPC(8): C08L23/28C08L23/08C08L23/20C08K13/02C08K3/34C08K3/26C08K5/01C08K5/14C08K5/3492C08K5/103H01B3/44B29C47/92B29C48/92
CPCB29C48/04
Inventor 杨应龙冯倩红李超群谢基柱
Owner YANGZHOU HUASHENG ELECTRONICS IND
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