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Marine high-strength tear-resistant rubber material and preparation method thereof

A rubber material and high-strength technology, applied in the field of marine high-strength tear-resistant rubber materials and their preparation, to achieve the effects of good wear resistance, excellent solvent resistance, gas barrier properties, and good elasticity

Active Publication Date: 2022-02-15
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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  • Marine high-strength tear-resistant rubber material and preparation method thereof
  • Marine high-strength tear-resistant rubber material and preparation method thereof
  • Marine high-strength tear-resistant rubber material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] A high-strength tear-resistant rubber material for marine use, 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 polystyrene-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 parts of vulcanizing agent DCP, 0.1 parts of accelerator NS, 0.1 parts of accelerator DM, antioxidant KY-6160.1 parts, antioxidant 802 0.1 parts.

[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, dilute butyllithium with tetrahydrofuran and add it. The ratio of butyllithium to tetrahydrofuran is 1...

Embodiment 2

[0042] A high-strength tear-resistant rubber material for marine use, 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 nanotube, 6 parts of white carbon black, 6 parts of carbon black, 8 parts of zinc oxide, 0.5 part 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 the protection of nitrogen, after mixing butadiene, styrene, 4-aminostyrene, and cyclohexane evenly, dilute butyllithium with tetrahydrofuran and add it. The ratio of butyllithium to tetrahydrofuran is ...

Embodiment 3

[0053] A high-strength tear-resistant rubber material for marine use, 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 polystyrene 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 white carbon black, 8 parts of carbon black, 0 parts of zinc oxide, 0.5 parts of sulfur, 0.1 parts of vulcanizing agent DCP, 0.1 parts of accelerator NS, 0.1 parts 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 the protection of nitrogen, after mixing butadiene, styrene, 4-aminostyrene, and cyclohexane evenly, dilute butyllithium with tetrahydrofuran and add it. The ratio of butyllithium to tetrahydrofuran is 1:...

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Abstract

The invention relates to the field of high polymer materials, in particular to a marine high-strength tear-resistant rubber material and a preparation method thereof, wherein the rubber material includes the following components: natural rubber, epoxidized natural rubber, aminated solution polymerized styrene-butadiene rubber, liquid polyisoprene rubber, epoxidized butadiene rubber, a coupling agent modified one-dimensional carbon nanomaterial, white carbon black, carbon black, zinc oxide and an auxiliary agent. The prepared rubber material has the advantages of favorable mechanical properties, high tensile strength, high tear strength, favorable salt spray corrosion resistance and lower density, and is suitable for manufacturing 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 high wet gel strength, easy vulcanization, excellent comprehensive performance of products, high strength, good elasticity, low creep, high elongation, good wear resistance, etc. It is widely used in various fields such as aerospace, automobile tires, medical elastomers, and chemical industry, and plays a huge role in the development of the global economy. [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. Contents of the invention [0004] Purpose of the invention: In response to the above technical development needs, the present inve...

Claims

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Application Information

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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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