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Environment-friendly high-temperature-resistant conveying belt binder and preparation method thereof

A binder and high temperature resistant technology, used in non-polymer adhesive additives, adhesives, grafted polymer adhesives, etc., can solve problems such as poor performance, achieve excellent viscosity, and improve the effect of viscosity

Inactive Publication Date: 2020-06-05
昆明金水龙橡胶制品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The adhesive provided by this invention is only suitable for use at low temperature or normal temperature, and its performance is poor when used at high temperature. In order to solve the above technical problems, this invention provides an environmentally friendly high temperature resistant conveyor belt adhesive and its preparation method

Method used

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  • Environment-friendly high-temperature-resistant conveying belt binder and preparation method thereof
  • Environment-friendly high-temperature-resistant conveying belt binder and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Dissolve 4.5g of chloroprene rubber in 40ml of ethyl acetate at a temperature of 60°C, stir evenly, add 5mg of BPO, continue stirring for 15min, then add 3ml of methyl methacrylate dropwise to the mixed liquid system, and dissolve the remaining 10mg of BPO into ethyl acetate, then heat the mixture to 75°C, continue to stir for 5-6 hours, and finally add 6 mg of 2,4,6-trinitrophenol, and continue to stir for 1 hour; to obtain a grafted chloroprene rubber copolymer;

[0018] Pour 35g of trichlorethylene, 2g of tert-butyl phenolic resin and 40mg of active magnesium oxide into 3ml of water, stir at high speed for 7-9h to obtain an aqueous solution; then pour the grafted neoprene copolymer and 40mg of anti-aging agent D50 into the above aqueous solution , continue to stir at a high speed for 15-25 hours to obtain the mixed solution 1; mix the mixed solution 1 with 0.4 g of tetraisocyanate and stir evenly to obtain the binder.

Embodiment 2

[0020] Dissolve 5.5g of neoprene in 40ml of ethyl acetate at a temperature of 70°C, stir evenly, add 6mg of BPO, continue stirring for 20min, then add 4.0ml of methyl methacrylate dropwise to the mixed liquid system, and dissolve the remaining 12mg of BPO Dissolve in ethyl acetate, then heat the mixture to 85°C, continue to stir for 6h, finally add 6mg of 2,4,6-trinitrophenol, continue to stir for 1h; obtain grafted chloroprene rubber copolymer;

[0021] Pour 45g of trichlorethylene, 4g of tert-butyl phenolic resin and 90mg of active magnesium oxide into 5ml of water, stir at high speed for 9h to obtain an aqueous solution; then pour the grafted neoprene copolymer and 40mg of anti-aging agent D50 into the above aqueous solution, Continue to stir at a high speed for 25 hours to obtain the mixed solution 1; mix the mixed solution 1 with 0.5 g of tetraisocyanate and stir evenly to obtain the binder.

Embodiment 3

[0023] Dissolve 4.8g of chloroprene rubber in 35ml of ethyl acetate at a temperature of 65°C, stir evenly, add 4mg of BPO, continue stirring for 15min, then add 3.4ml of methyl methacrylate dropwise to the mixed liquid system, and dissolve the remaining 8mg of BPO Dissolve in ethyl acetate, then heat the mixture to 80°C, continue to stir for 5.5 hours, finally add 6 mg of 2,4,6-trinitrophenol, and continue to stir for 1 hour to obtain a grafted chloroprene rubber copolymer;

[0024] Pour 40g of trichlorethylene, 3g of tert-butyl phenolic resin and 60mg of active magnesium oxide into 4ml of water, stir at high speed for 8h to obtain an aqueous solution; then pour the grafted neoprene copolymer and 50mg of anti-aging agent D50 into the above aqueous solution, Continue high-speed stirring for 15-25 hours to obtain the mixed solution 1; mix the mixed solution 1 with 0.45 g of tetraisocyanate and stir evenly to obtain the binder.

[0025] Cut the polyester canvas into 8 squares of ...

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PUM

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Abstract

The invention discloses an environment-friendly high-temperature-resistant conveyor belt binder and a preparation method thereof. The binder is prepared from the following components in parts by weight, 450-550 parts of chloroprene rubber, 300-400 parts of methyl methacrylate, 10-18 parts of BPO, 3500-4500 parts of trichloroethylene, 200-400 parts of alkyl phenolic resin, 4-9 parts of active magnesium oxide, 40-50 parts of tetraisocyanate, 3000-4000 parts of ethyl acetate, 4-6 parts of an anti-aging agent D50, 6-8 parts of 2, 4, 6-tetramethyl-1, 3-pentanediol monoisobutyrate. Wherein the component A is prepared from the following components in parts by weight: 10-30 parts of 2, 4, 6-trinitrophenol and 300-500 parts of water; the invention provides an environment-friendly high-temperature-resistant conveying belt binder and a preparation method thereof. The chloroprene rubber is grafted with methyl methacrylate, so that the chloroprene rubber is changed from linear macromolecules into body-shaped macromolecules, the viscosity of the adhesive is improved, and the adhesive still has excellent viscosity at high temperature due to the specific structural advantages of the body-shaped macromolecules and the combined action of the anti-aging agent.

Description

technical field [0001] The invention relates to the technical field of adhesives, in particular to an environment-friendly high-temperature-resistant conveyor belt adhesive and a preparation method thereof. Background technique [0002] The heat-resistant conveyor belt mainly transports coke, slag, cement and other objects with a temperature greater than or equal to 170°C, which are commonly used objects in the construction and smelting industries. The heat-resistant conveyor belt consists of a metal skeleton and a fabric layer covering the surface of the metal skeleton that is in direct contact with the hot object. The fabric layer is usually polyester canvas or rubber polyester cotton cloth. The polyester canvas or rubber polyester cotton cloth is bonded to the metal frame by adhesive. Most of the existing adhesives are linear polymer mixtures. The molecular chains of the linear polymers are only linked by van der Waals force. The viscous force performs well at low temper...

Claims

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Application Information

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IPC IPC(8): C09J151/04C09J161/06C09J11/04
CPCC08K2003/222C08L2201/08C09J11/04C09J151/04C08L61/06C08K3/22
Inventor 周江明许跃洲柴振士
Owner 昆明金水龙橡胶制品有限公司
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