High hardness damping rubber and preparation method thereof

A shock-absorbing rubber and high-hardness technology, which is applied in the field of rubber products, can solve problems such as high fluidity requirements, difficulty in applying molding processes, and high flow resistance of raw materials for high-hardness products, so as to achieve good mechanical properties, simplify the pre-forming process, The effect of reducing the production link

Active Publication Date: 2019-01-11
广州泰升工业技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the injection process has high requirements on the fluidity of raw materials, and the flow resistance of raw materials for high-hardness products is large, so it is difficult to apply to this molding process.

Method used

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  • High hardness damping rubber and preparation method thereof
  • High hardness damping rubber and preparation method thereof
  • High hardness damping rubber and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] An embodiment of the high-hardness shock-absorbing rubber of the present invention, the high-hardness shock-absorbing rubber in this embodiment contains the following components by weight:

[0029] 100 parts of raw rubber (3# natural smoke rubber: NR), 15 parts of super wear-resistant carbon black (N220), 40 parts of high wear-resistant carbon black (N330), 40 parts of fast extruded carbon black (N550), 1 Rhine powder 10 parts of glyceryl methacrylate, 5 parts of zinc oxide (ZnO purity ≥ 99.7%), 2 parts of stearic acid (SA), 1 part of p-phenylenediamine anti-aging agent (4010), 1 part of ketamine anti-aging agent ( 2 parts of RD), 2 parts of sulfur, 0.5 parts of 2-mercaptobenzothiazole, 0.8 parts of dibenzothiazole disulfide, and 1.4 parts of N-cyclohexyl-2-benzothiazole sulfenamide.

[0030] The preparation method of the high-hardness shock-absorbing rubber described in this example is as follows: mix the ingredients uniformly to obtain a mixture; automatically feed th...

Embodiment 2

[0032] An embodiment of the high-hardness shock-absorbing rubber of the present invention, the high-hardness shock-absorbing rubber in this embodiment contains the following components by weight:

[0033] Raw rubber (3# natural smoke rubber: NR) 100 parts, super wear-resistant carbon black (N220) 12 parts, high wear-resistant carbon black (N330) 35 parts, fast extrusion carbon black (N550) 35 parts, Rhine powder 0.8 8 parts, 8 parts of glyceryl methacrylate, 4 parts of zinc oxide (ZnO purity ≥ 99.7%), 1.5 parts of stearic acid (SA), 0.8 parts of p-phenylenediamine anti-aging agent (4010), 0.8 part of ketamine anti-aging agent ( 1.5 parts of RD), 1.5 parts of sulfur, 0.4 parts of 2-mercaptobenzothiazole, 0.6 parts of dibenzothiazole disulfide, and 1.2 parts of N-cyclohexyl-2-benzothiazole sulfenamide.

[0034] The preparation method of the high-hardness shock-absorbing rubber described in this example is as follows: mix the ingredients uniformly to obtain a mixture; automatical...

Embodiment 3

[0036] An embodiment of the high-hardness shock-absorbing rubber of the present invention, the high-hardness shock-absorbing rubber in this embodiment contains the following components by weight:

[0037] 100 parts of raw rubber (3# natural smoke rubber: NR), 18 parts of super wear-resistant carbon black (N220), 45 parts of high wear-resistant carbon black (N330), 45 parts of fast extruded carbon black (N550), 1.2 parts of Rhine Powder 12 parts of glyceryl methacrylate, 6 parts of zinc oxide (ZnO purity ≥ 99.7%), 2.5 parts of stearic acid (SA), 1.2 parts of p-phenylenediamine anti-aging agent (4010), ketone-amine anti-aging agent ( 2.5 parts of RD), 2.5 parts of sulfur, 0.6 parts of 2-mercaptobenzothiazole, 1.0 parts of dibenzothiazole disulfide, and 1.6 parts of N-cyclohexyl-2-benzothiazole sulfenamide.

[0038] The preparation method of the high-hardness shock-absorbing rubber described in this example is as follows: mix the ingredients uniformly to obtain a mixture; automat...

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Abstract

The invention discloses high hardness damping rubber. The high hardness damping rubber comprises the following components in parts by weight: 100 parts of raw rubber, 7.8 to 12.2 parts of active protective system, 90.8 to 121.2 parts of reinforcing system and 3.7 to 5.7 parts of vulcanization system, wherein the reinforcing system comprises glyceryl methacrylate. The high-hardness shock damping rubber has the dual effects of plastification and hardness improvement by adding the glyceryl methacrylate in the formula, overcomes the high hardness processing and performance limit value of rubber products, has high hardness (Shore A hardness of 92 degrees), excellent rigidity and mechanical property, relatively good shock absorption effect and long service life; and the obtained rubber productscan be well applied to cushion rubber matched with rail transit gear assemblies. At the same time, the invention also discloses a preparation method of the high hardness damping rubber.

Description

technical field [0001] The invention belongs to the field of rubber products, in particular to a high-hardness shock-absorbing rubber and a preparation method thereof. Background technique [0002] High-hardness rubber products generally have the problems of poor elasticity and difficult forming and healing. In addition, the product size is large and the thickness is high, which puts forward higher requirements for its manufacturing and processing. The traditional rubber compounding scheme has the problems of difficult flow during molding and easy layering of the rubber material, especially when the product is installed and used under high pressure conditions, it is prone to abnormal cracking. [0003] "Compression molding" is a commonly used rubber molding processing method. The rubber raw materials are artificially placed in the mold cavity of the vulcanization molding machine, and the required products are obtained after the mold is closed and hot-pressed for a certain pe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L7/00C08K3/04C08K3/22C08K5/09C08K3/06C08K5/1515
CPCC08K3/04C08K3/06C08K3/22C08K5/09C08K5/1515C08K2003/2296C08L7/00
Inventor 杜茂王立坤叶惠玲
Owner 广州泰升工业技术有限公司
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