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Anticorrosive rubber lining and preparation method thereof

A technology of anti-corrosion rubber and special rubber, applied in the field of rubber lining, can solve the problems of loose fit, lining falling off, high water absorption, and achieve the effects of good fit, high structural stability and low moisture regain.

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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the shortcomings of the prior art, such as lining falling off, fast aging, loose fit, especially high water absorption, easy to regain moisture, etc., and propose a kind of anti-corrosion rubber lining and its preparation method, and the preparation method Wide range of applications, involving petroleum, chemical, fertilizer, metallurgy, electric power acid-base storage tanks, reactors, pure steel equipment used in the floor isolation layer and other industrial production and use

Method used

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  • Anticorrosive rubber lining and preparation method thereof

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Effect test

Embodiment 1

[0032] A kind of preparation method of anticorrosion rubber lining that the present invention proposes, comprises the following steps:

[0033] S1. Add the natural rubber, special rubber, thermoplastic rubber and peptizer of formula quantity in the internal mixer, masticate 20min under the condition of 50 ℃ to become plastic glue A;

[0034] S2. Add high-volume styrene, graphite powder, sulfur, high-speed accelerator and dispersant to plasticizing rubber A in S1, and knead in an internal mixer for 15 minutes at 70°C to form rubber mixing B ;

[0035] In S3.S2, the mixed rubber B is kneaded in the open mill, made into triangular bags 3 times, and then filtered into the filter;

[0036] S4. Add the braided fabric of the formula amount to the mixed rubber after filtering the mixed rubber B in S3 and put it into the open mill for the second milling to form the mixed rubber C;

[0037] S5. Carry out the third milling of the mixed rubber C in S4 on the open mill to form the mixed ...

Embodiment 2

[0043] A kind of preparation method of anticorrosion rubber lining that the present invention proposes, comprises the following steps:

[0044] S1. Add the natural rubber, special rubber, thermoplastic rubber and peptizer of formula quantity in the internal mixer, masticate 20min under the condition of 60 ℃ to become plastic glue A;

[0045] S2. Add high-volume styrene, graphite powder, sulfur, high-speed accelerator and dispersant to plasticizing rubber A in S1, and knead in an internal mixer for 15 minutes at 80°C to form rubber mixing B ;

[0046] In S3.S2, the mixed rubber B is kneaded in the open mill, made into triangular bags 3 times, and then filtered into the filter;

[0047] S4. Add the braided fabric of the formula amount to the mixed rubber after filtering the mixed rubber B in S3 and put it into the open mill for the second milling to form the mixed rubber C;

[0048] S5. Carry out the third milling of the mixed rubber C in S4 on the open mill to form the mixed ...

Embodiment 3

[0054] A kind of preparation method of anticorrosion rubber lining that the present invention proposes, comprises the following steps:

[0055] S1. Add the natural rubber, special rubber, thermoplastic rubber and peptizer of formula quantity in the internal mixer, masticate 30min under the condition of 70 ℃ to become plastic glue A;

[0056] S2. Add high-quality styrene, graphite powder, sulfur, high-speed accelerator and dispersant to the plasticizing rubber A in S1, and knead in an internal mixer for 15 minutes at 80°C to form rubber mixing B ;

[0057] In S3.S2, the mixed rubber B is kneaded in the open mill, made into triangular bags 3 times, and then filtered into the filter;

[0058] S4. Add the braided fabric of the formula amount to the mixed rubber after filtering the mixed rubber B in S3 and put it into the open mill for the second milling to form the mixed rubber C;

[0059] S5. Carry out the third milling of the mixed rubber C in S4 on the open mill to form the m...

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Abstract

The invention belongs to the technical field of rubber linings, in particular to an anti-corrosion rubber lining and its preparation method, which solves the shortcomings of the prior art such as the lining falling off, fast aging, loose fit, especially high water absorption and easy moisture regain, and proposes An anti-corrosion rubber lining and its preparation method, and the preparation method is widely used, involving petroleum, chemical, fertilizer, metallurgy, electric power acid-base storage tanks, reactors, pure steel equipment used in floor isolation layers, etc. Used in many industrial productions, it includes 20-40 parts of natural rubber, 8-16 parts of styrene-butadiene rubber, 0.5-1.5 parts of peptizer, 8-16 parts of high styrene, 10-20 parts of graphite powder, 20-20 parts of sulfur 30 parts, 0.5-2 parts of high-speed accelerator, 2-4 parts of dispersant. The anti-corrosion rubber lining of the invention has high hardness, strong tensile capacity, good ductility and simple manufacturing process, can be constructed in workshops or on site, and is easy to realize.

Description

technical field [0001] The invention relates to the technical field of rubber linings, in particular to an anti-corrosion rubber lining and a preparation method thereof. Background technique [0002] The pure steel equipment and equipment used in the acid-base storage tanks, reactors, and floor isolation layers of petroleum, chemical, fertilizer, metallurgy, and electric power are prone to rust and wear after a long time due to the internal and external corrosion of different chemical substances. Phenomenon, thus causing damage to the equipment, seriously affecting the production and use process. Corrosion of steel structure materials has been a problem that has plagued all walks of life. Due to the high temperature and high pressure resistance of steel structure materials, other materials such as plastics cannot be replaced. Therefore, the surface of steel structure materials can be anti-corrosion without affecting the characteristics of steel materials Treatment research ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L7/00C08L9/02C08L21/00C08L23/16C08L23/06C08L23/12C08L23/20C08L67/02C08L77/00C08L23/30C08K3/04
CPCC08L7/00C08L9/02C08L2201/08C08L2205/035C08L2205/16
Inventor 肖娜张国锋赵文文王震陈俊卿
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