A kind of marine high-strength tear-resistant rubber material and preparation method thereof

A rubber material, high-strength technology, applied in the field of marine high-strength tear-resistant rubber material and its preparation, to achieve low creep, good elasticity, and good wear resistance

Active Publication Date: 2022-05-27
湖南弘辉科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, in some practical applications, such as ocean shipping, the tear resistance and salt spray corrosion resistance of natural rubber cannot meet the needs of use, and its performance needs to be improved.

Method used

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  • A kind of marine high-strength tear-resistant rubber material and preparation method thereof
  • A kind of marine high-strength tear-resistant rubber material and preparation method thereof
  • A kind of marine high-strength tear-resistant rubber material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] A marine high-strength tear-resistant rubber material, comprising the following components in parts by weight:

[0032] 50 parts of natural rubber, 10 parts of epoxidized natural rubber, 20 parts of aminated solution-polymerized styrene-butadiene rubber, 25 parts of liquid polyisoprene rubber, 12 parts of epoxidized butadiene rubber, modified by coupling agent KH-550 20 parts of carbon nanotubes, 5 parts of white carbon black, 5 parts of carbon black, 10 parts of zinc oxide, 0.5 parts of sulfur, 0.1 part of vulcanizing agent DCP, 0.1 part of accelerator NS, 0.1 part of accelerator DM, antioxidant KY-6160.1 part, antioxidant 802 0.1 part.

[0033] Wherein, the preparation method of aminated solution-polymerized styrene-butadiene rubber is as follows:

[0034] Under the protection of nitrogen, after mixing butadiene, styrene, 4-aminostyrene and cyclohexane evenly, butyllithium was diluted with tetrahydrofuran and added. The material ratio of butyllithium to tetrahydrofur...

Embodiment 2

[0042] A marine high-strength tear-resistant rubber material, comprising the following components in parts by weight:

[0043] 60 parts of natural rubber, 5 parts of epoxidized natural rubber, 20 parts of aminated solution-polymerized styrene-butadiene rubber, 25 parts of liquid polyisoprene rubber, 10 parts of epoxidized butadiene rubber, modified by coupling agent KH-550 15 parts of carbon nanotubes, 6 parts of white carbon black, 6 parts of carbon black, 8 parts of zinc oxide, 0.5 parts of sulfur, 0.1 part of vulcanizing agent DCP, 0.1 part of accelerator NS, 0.1 part of accelerator DM, antioxidant KY- 616 0.1 part, antioxidant 802 0.1 part.

[0044] Wherein, the preparation method of aminated solution-polymerized styrene-butadiene rubber is as follows:

[0045] Under nitrogen protection, after mixing butadiene, styrene, 4-aminostyrene, and cyclohexane evenly, butyllithium was diluted with tetrahydrofuran and added. The material ratio of butyllithium to tetrahydrofuran was...

Embodiment 3

[0053] A marine high-strength tear-resistant rubber material, comprising the following components in parts by weight:

[0054] 60 parts of natural rubber, 10 parts of epoxidized natural rubber, 30 parts of aminated solution-polymerized styrene-butadiene rubber, 30 parts of liquid polyisoprene rubber, 15 parts of epoxidized butadiene rubber, modified by coupling agent KH-550 20 parts of carbon nanotubes, 8 parts of silica, 8 parts of carbon black, 0 parts of zinc oxide, 0.5 parts of sulfur, 0.1 part of vulcanizing agent DCP, 0.1 part of accelerator NS, 0.1 part of accelerator DM, antioxidant KY- 616 0.1 part, antioxidant 802 0.1 part.

[0055] Wherein, the preparation method of aminated solution-polymerized styrene-butadiene rubber is as follows:

[0056] Under nitrogen protection, after mixing butadiene, styrene, 4-aminostyrene, and cyclohexane evenly, butyllithium was diluted with tetrahydrofuran and added. The material ratio of butyllithium to tetrahydrofuran was 1:80. The...

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PUM

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Abstract

The invention relates to the field of polymer materials, in particular to a high-strength tear-resistant rubber material for ships and a preparation method thereof, comprising the following components: natural rubber, epoxidized natural rubber, aminated solution-polymerized styrene-butadiene rubber, liquid polyisocyanate Pentadiene rubber, epoxidized butadiene rubber, coupling agent modified one-dimensional carbon nanomaterials, white carbon black, carbon black, zinc oxide, additives, the rubber material prepared by the present invention has good mechanical properties, tensile High tensile strength and tear resistance, good salt spray corrosion resistance, and low density, suitable for making marine rubber parts.

Description

technical field [0001] The invention relates to the field of polymer materials, in particular to a marine high-strength tear-resistant rubber material and a preparation method thereof. Background technique [0002] As a kind of renewable natural resources, natural rubber has the advantages of high wet gel strength, easy vulcanization, excellent comprehensive properties of products, high strength, good elasticity, low creep, high elongation, and good wear resistance. It is widely used in aerospace, automobile tires, medical elastomers, chemical industry and other fields, and plays a huge role in global economic development. [0003] However, in some practical applications, such as ocean shipping, the tear resistance and salt spray corrosion resistance of natural rubber cannot meet the needs of use, and its performance needs to be improved. SUMMARY OF THE INVENTION [0004] Purpose of the invention: In view of the above technical development requirements, the present invent...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L7/00C08L15/00C08L9/06C08L9/00C08K9/06C08K3/04C08K7/06
CPCC08L7/00C08L2205/025C08L2205/035C08L15/00C08L9/06C08L9/00C08K9/06C08K3/041C08K7/06
Inventor 谭高辉马倩倩王虎贺湘伟袁雅周熙盛
Owner 湖南弘辉科技有限公司
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