Nano hybrid filler reinforced rubber material and preparation process thereof

A technology of reinforcing rubber and hybridization, which is applied in the field of nano-hybrid filler-reinforced rubber materials and its preparation, which can solve the problems of poor dispersion, uneven performance of polymer composite materials, and obvious agglomeration, so as to increase cross-linking density and increase The effect of interaction, promoting distribution

Inactive Publication Date: 2020-07-17
杭州睿琦化工科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The dispersion of graphene and carbon nanotubes in the polymer matrix material is not good, the agglomeration is obvious, and the properties of the polymer composite are not uniform

Method used

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  • Nano hybrid filler reinforced rubber material and preparation process thereof

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preparation example Construction

[0045] The preparation technology of described rubber material, comprises the steps:

[0046] Step 1. Add the hybrid filler, white carbon black, cerium dioxide, and asbestos fiber into tetrahydrofuran, and mechanically stir for 6-10 hours under 60-100W ultrasonic conditions, so that the hybrid filler, white carbon black, cerium dioxide, and asbestos fiber Uniformly dispersed in tetrahydrofuran to obtain a filler dispersion;

[0047] Step 2. Add natural rubber and auxiliary material rubber into the rubber mixer, mix for 1-5 minutes, raise the temperature of the mixer to 110-160°C, add filler dispersion, and continue mixing for 5-15 minutes. air drying;

[0048] Step 3. Add oil, stearic acid, nano-zinc oxide, accelerator, sulfur and anti-aging agent to the rubber internal mixer in sequence, mix for 2-5 minutes, then release the sheet, park it for 18-30 hours, and vulcanize to obtain rubber sheet;

[0049] Step 4. Put the rubber sheet on a flat vulcanizer for compression moldin...

Embodiment 1

[0051] A nano-hybrid filler reinforced rubber material, prepared from the following raw materials in parts by weight: 40 parts of natural rubber, 20 parts of auxiliary rubber, 5 parts of hybrid filler, 10 parts of white carbon black, 2 parts of cerium dioxide, asbestos fiber 2 parts, 35 parts of tetrahydrofuran, 11 parts of oil, 1 part of stearic acid, 4 parts of nano zinc oxide, 0.7 parts of dibenzothiazole disulfide, 3 parts of sulfur, 2,2,4-trimethyl-1,2- 0.6 part of dihydroquinoline polymer;

[0052] The auxiliary material rubber includes EPDM rubber, nitrile rubber, fluororubber, butadiene rubber, EPDM rubber, nitrile rubber, fluororubber, and butadiene rubber in a mass ratio of 1:0.2:0.5:1.1 compounded.

Embodiment 2

[0054] A nano-hybrid filler reinforced rubber material, prepared from the following raw materials in parts by weight: 45 parts of natural rubber, 25 parts of auxiliary rubber, 6 parts of hybrid filler, 11 parts of white carbon black, 2.5 parts of cerium oxide, asbestos fiber 2.5 parts, 40 parts of tetrahydrofuran, 13 parts of oil, 1.5 parts of stearic acid, 5 parts of nano zinc oxide, 0.75 parts of N-cyclohexyl-2-benzothiazole sulfenamide, 4 parts of sulfur, 2-mercaptobenzimidazole 0.8 copies;

[0055] The auxiliary material rubber includes EPDM rubber, nitrile rubber, fluororubber, butadiene rubber, and EPDM rubber, nitrile rubber, fluororubber, and butadiene rubber are in a mass ratio of 1:0.25:0.6:1.15 compounded.

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Abstract

The invention discloses a nano hybrid filler reinforced rubber material prepared from the following raw materials in parts by weight: 40-50 parts of natural rubber, 20-30 parts of auxiliary material rubber, 5-7 parts of a hybrid filler, 10-12 parts of white carbon black, 2-3 parts of cerium dioxide, 2-3 parts of asbestos fibers, 35-45 parts of tetrahydrofuran, 11-15 parts of oil, 1-2 parts of stearic acid, 4-6 parts of nano zinc oxide, 0.7-0.8 part of an accelerant, 3-5 parts of sulfur and 0.6-1 part of an anti-aging agent. The invention also discloses a preparation process of the rubber material. The natural rubber and the auxiliary material rubber are used as rubber matrixes, the auxiliary material rubber comprises ethylene propylene diene monomer rubber, nitrile rubber, fluororubber andbutadiene rubber, the auxiliary material rubber plays a complementary role in the natural rubber, and the rubber matrix with excellent performance is obtained; through compounding of the hybrid filler, the white carbon black, the cerium dioxide and the asbestos fibers, the rubber is reinforced, and the mechanical property and the wear resistance of the rubber material are improved, so that the service life of the rubber material is prolonged.

Description

technical field [0001] The invention belongs to the technical field of rubber materials, and in particular relates to a nano-hybrid filler-reinforced rubber material and a preparation process thereof. Background technique [0002] The mechanical properties of rubber materials are crucial to the performance of rubber products. Improving the mechanical properties of rubber materials has always been a topic of concern to scientific and technological workers in the field. A common practice is to add inorganic fillers to the rubber material matrix to improve the mechanical properties of the rubber material. Graphene and carbon nanotubes have large specific surface area, excellent mechanical properties, electrical conductivity and barrier properties, and are ideal fillers for modifying rubber materials, which have been successfully used to enhance the mechanical properties of rubber materials. The dispersion of graphene and carbon nanotubes in the polymer matrix material is not ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L7/00C08L23/16C08L9/02C08L27/12C08L9/00C08K13/06C08K9/12C08K3/36C08K7/26C08K7/12C08K3/22C08K5/09C08K3/06B29C35/02
CPCB29C35/02C08K2003/2213C08K2003/2296C08K2201/011C08L7/00C08L2205/02C08L2205/035C08L23/16C08L9/02C08L27/12C08L9/00C08K13/06C08K9/12C08K3/36C08K7/26C08K7/12C08K3/22C08K5/09C08K3/06
Inventor 喻跃琴
Owner 杭州睿琦化工科技有限公司
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