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Fireproof rubber and preparation method thereof

A technology of rubber and fire retardant, applied in the field of tire rubber, can solve problems such as becoming conductors, and achieve the effects of moderate hardness, high thermal stability, good economic benefits and practicability

Inactive Publication Date: 2018-11-13
贾桂花
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is an insulator and does not conduct electricity easily, but it may become a conductor if it is exposed to water or a different temperature

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Embodiment 1 Tread rubber a

[0017] A fireproof rubber, comprising the following raw materials in parts by weight: 70 parts of polymethyl methacrylate powder, 25 parts of zirconia, 10 parts of benzoyl peroxide, 2 parts of methyl methacrylate, 1 part of butyl methacrylate 4 parts, 4 parts of dimethyl-p-toluidine, 5 parts of softening agent, 20 parts of reinforcing agent, 2 parts of fireproofing agent; the reinforcing agent is acetylene carbon black; the softening agent is silane coupling agent. The raw materials also include 5 parts by weight of calcium carbonate. The fire retardant is paraffin. Butyl methacrylate is sulfur.

[0018] The preparation method of fireproof rubber: comprises the following steps:

[0019] 1) Plasticize the polymethyl methacrylate powder according to the proportion at 55°C; knead the zirconia and benzoyl peroxide at 75°C for one stage; add the plasticized polymethyl methacrylate powder into one stage Carry out two-stage kneading in the kne...

Embodiment 2

[0020] Example 2 Tread rubber b

[0021] A fireproof rubber, comprising the following raw materials in parts by weight: 80 parts of polymethyl methacrylate powder, 30 parts of zirconia, 15 parts of benzoyl peroxide, 2.5 parts of methyl methacrylate, 2 parts of butyl methacrylate 6 parts, 6 parts of dimethyl-p-toluidine, 8 parts of softening agent, 25 parts of reinforcing agent, 2.5 parts of fireproofing agent; the reinforcing agent is white carbon black; the softening agent is silane coupling agent. The raw materials also include 10 parts by weight of pottery clay. The fire retardant is paraffin. Butyl methacrylate is sulfur.

[0022] The preparation method of fireproof rubber: comprises the following steps:

[0023] 1) Plasticize the polymethyl methacrylate powder according to the proportion at 60°C; knead the zirconia and benzoyl peroxide at 80°C for one stage; add the plasticized polymethyl methacrylate powder into one stage Carry out two-stage kneading in the kneaded m...

Embodiment 3

[0024] Example 3 Tread rubber c

[0025] A fireproof rubber, comprising the following raw materials in parts by weight: 90 parts of polymethyl methacrylate powder, 40 parts of zirconia, 20 parts of benzoyl peroxide, 3 parts of methyl methacrylate, 3 parts of butyl methacrylate 8 parts, 8 parts of dimethyl-p-toluidine, 10 parts of softening agent, 30 parts of reinforcing agent, 3 parts of fireproofing agent; the reinforcing agent is white carbon black; the softening agent is silane coupling agent. The raw materials also include 8 parts by weight of calcium carbonate. The fire retardant is paraffin. Butyl methacrylate is sulfur.

[0026] The preparation method of fireproof rubber: comprises the following steps:

[0027] 1) Plasticize the polymethyl methacrylate powder according to the proportion at 58°C; knead the zirconia and benzoyl peroxide at 78°C for one stage; add the plasticized polymethyl methacrylate powder into one stage Carry out two-stage kneading in the kneaded ...

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PUM

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Abstract

The invention discloses a fireproof rubber, and belongs to the technical field of tire rubber. The fireproof rubber comprises the following raw materials in parts by weight: 70-90 parts of polymethylmethacrylate powder, 25-40 parts of zirconium oxide, 10-20 parts of benzoyl peroxide, 2-3 parts of methyl methacrylate, 1-3 part of butyl methacrylate, 4-8 parts of dimethyl-p-toluidine, 5-10 parts ofa softening agent, 5-10 parts of a reinforcing agent and 2-3 parts of a fireproof agent. The reinforcing agent is acetylene black or white carbon black; and the softening agent is a silane coupling agent. The invention further discloses a preparation method of the fireproof rubber. By the unique formula of the fireproof rubber, a tire is high in thermal stability and moderate in hardness, and fireresistance and durability can meet requirements; and the preparation method of the rubber is simple and environmentally friendly, and the prepared rubber can meet use requirements, is durable, and has quite high economic benefit and practicability.

Description

technical field [0001] The invention belongs to the technical field of tire rubber, and in particular relates to a fireproof rubber and a preparation method thereof. Background technique [0002] Rubber is divided into natural rubber and synthetic rubber according to raw materials. According to the shape, it can be divided into block raw rubber, latex, liquid rubber and powder rubber. Latex is a colloidal water dispersion of rubber; liquid rubber is an oligomer of rubber, which is generally a viscous liquid before vulcanization; powder rubber is processed from latex into powder to facilitate batching and processing. The thermoplastic rubber developed in the 1960s does not require chemical vulcanization, but is formed by the processing method of thermoplastics. Rubber is divided into two types: general-purpose and special-purpose according to the use. It is an insulator and does not conduct electricity easily, but if it is exposed to water or a different temperature, it ma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L33/12C08L91/06C08K13/02C08K3/22C08K5/18C08K3/04C08K3/36C08K3/26C08K3/34B60C1/00B29B7/00
CPCC08L33/12B29B7/002B60C1/0016C08L2201/02C08L2201/08C08L2205/025C08L2205/03C08L91/06C08K13/02C08K2003/2244C08K5/18C08K3/04C08K2003/265C08K3/36C08K3/346
Inventor 贾桂花
Owner 贾桂花
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