High-strength ethylene propylene diene monomer and preparation method thereof

An EPDM rubber and high-strength technology, which is applied in the chemical industry, can solve the problems of limited scope of application and low strength, and achieve the effects of stable comprehensive performance, increased strength, and satisfying market diversification

Active Publication Date: 2014-02-12
JIANGSU HENGFENG CABLE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But because it does not contain crystals, the strength is very low, and the scope of application is greatly limited.

Method used

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  • High-strength ethylene propylene diene monomer and preparation method thereof
  • High-strength ethylene propylene diene monomer and preparation method thereof
  • High-strength ethylene propylene diene monomer and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Test formula:

[0016] Recipe material

Dosage (parts by weight)

EPDM

100

acrylic

6

Initiator DCP

0.6

sodium stearate

2

[0017] Implementation process: Add EPDM rubber, acrylic acid, initiator, and sodium stearate into a twin-screw extruder to extrude and granulate. The screw speed used during extrusion and granulation is 40-50 rpm; the twin-screw Extruder temperature settings are shown in the table below:

[0018]

[0019] The following is a performance comparison table of EPDM prepared in Example 1 of the present invention and ordinary EPDM. It can be seen from the comparative data in the table that the EPDM of the present invention has excellent properties in terms of tensile strength and elongation at break.

[0020]

Embodiment 2

[0022] Test formula:

[0023] Recipe material

Dosage (parts by weight)

EPDM

95

acrylic

4

Initiator DCP

0.4

sodium stearate

3

[0024] Implementation process: Add EPDM rubber, acrylic acid, initiator, and sodium stearate into a twin-screw extruder to extrude and granulate. The screw speed used for extrusion and granulation is 40-50 rpm; the twin-screw Extruder temperature settings are shown in the table below:

[0025]

[0026] The following is a performance comparison table of EPDM prepared in Example 2 of the present invention and ordinary EPDM. From the comparative data in the table, it can be seen that the tensile strength and elongation at break of the EPDM of the present invention have excellent properties.

[0027]

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PUM

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Abstract

The invention discloses a high-strength ethylene propylene diene monomer and a preparation method thereof. The ethylene propylene diene monomer is characterized by being prepared by the following components in parts by weight: 90-110 parts of ethylene propylene diene monomer, 2-8 parts of acrylic acid, 0.4-1 part of initiator and 1-5 parts of sodium stearate. The high-strength ethylene propylene diene monomer has excellent mechanical property, and can be used for preparing medium-high-voltage power cables, motor lead wires, marine cables and the like.

Description

technical field [0001] The invention belongs to the technical field of chemical industry, and in particular relates to a high-strength EPDM rubber and a preparation method thereof. Background technique [0002] Ethylene-propylene-diene rubber (EPDM) is a rubber obtained by solution copolymerization of ethylene and propylene, and then a third monomer (ENB) is introduced. EPDM rubber is basically a saturated high polymer, a synthetic rubber with excellent comprehensive properties, and has excellent electrical properties and aging properties. However, because it does not contain crystals, its strength is very low, and its scope of application is greatly limited. Contents of the invention [0003] The object of the present invention is to overcome above-mentioned weak point and provide a kind of high-strength EPDM rubber. [0004] Another object of the present invention is to provide a method for preparing the above-mentioned high-strength EPDM rubber. [0005] The purpose ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F255/06C08J3/24C08L51/04B29B9/06
Inventor 张建康邰锡峰蒋周山姚建强储旭超
Owner JIANGSU HENGFENG CABLE
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