Single bath dipping solution for polyester dipped canvas for high temperature resistant conveyor belt and preparation method thereof

A technology for dipping canvas and conveyor belts, which is applied in the field of single-bath dipping solution for polyester dipping canvas and its preparation, which can solve the problems of heat resistance decline, improve strength, improve service life and safety factor, and slow down The effect of the rate of aminolysis

Inactive Publication Date: 2018-11-16
无锡宝强工业织造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the heat-resistant conveyor belt is mainly made of ethylene-propylene rubber with good heat resistance. Since the canvas dipping layer can only be bonded with the rubber of the sulfur vulcanization system, the peroxide-cured ethylene-propylene rubber cannot be directly bonded to the dipped canvas. In order to solve the bonding problem with the dipped canvas, the rubber of the sulfur vulcanization system is often used as a transition in the middle, the most common is the mixed rubber of styrene-butadiene rubber or ethylene-propylene rubber, but the heat resistance is greatly reduced

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] It includes 250 parts of carboxylated nitrile latex, 250 parts of deionized water, and 300 parts of RP resin, totaling 800 parts. Add the deionized water required to prepare the total amount into the blending kettle, add the carboxylated nitrile latex to the blending kettle, and stir for 15 minutes; after adding the RP resin, stir for 3 hours to mature, and then it can be used.

[0023] The solid content of the carboxylated nitrile latex is 40%; the solid content of the acrylate is 40%; the solid content of the caprolactam-blocked isocyanate is 40%.

Embodiment 2

[0025] The single-bath dipping solution for polyester dipped canvas for high temperature resistant conveyor belt, the formula ratio is as follows: 200 parts of carboxyl nitrile latex, 30 parts of acrylate, 280 parts of deionized water, and 300 parts of RP adhesive.

[0026] The solid content of the carboxylated nitrile latex is 40%; the solid content of the acrylate is 40%; the solid content of the caprolactam-blocked isocyanate is 40%.

[0027] Add the deionized water required to prepare the total amount in the preparation kettle, then continue to add the carboxylated nitrile latex, stir for 10 minutes, and finally add 300 parts of RP adhesive, stir for 4 hours for aging, and then obtain the dipping solution.

Embodiment 3

[0029] The single-bath dipping solution for polyester dipped canvas for high temperature resistant conveyor belt, the formula ratio is as follows in parts by weight: 230 parts of carboxyl nitrile latex, 15 parts of acrylate, 270 parts of deionized water, and 300 parts of RP adhesive; Fully mixing and stirring to obtain the dipping solution for polyester dipping canvas for high temperature resistant conveyor belt.

[0030] The solid content of the carboxylated nitrile latex is 40%; the solid content of the acrylate is 40%; the solid content of the caprolactam-blocked isocyanate is 40%.

[0031] Add the deionized water required to prepare the total amount in the blending kettle, then continue to add the carboxylated nitrile latex, stir for 15 minutes, and finally add 300 parts of RP adhesive, stir for 3 hours for aging, and then the dipping solution is obtained.

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PUM

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Abstract

The invention relates to a single bath dipping solution for a polyester dipped canvas for a high temperature resistant conveyor belt and a preparation method thereof, and belongs to the technical field of composite materials in industrial fabrics. The dipping solution comprises carboxyl butadiene-acrylonitrile latex, acrylate, deionized water, and a RP adhesive, and is prepared by fully mixing andstirring the components mentioned above. A polyester dipped canvas, which is dipped in the dipping solution, is used to produce a conveyor belt; at a high temperature, the dipping solution can guarantee the bonding force between the dipped canvas and ethylene propylene rubber; at the same time, the aminolysis speed of the main enhancing material namely polyester fibers of the dipped canvas is largely reduced; and thus the service life is extended and safety coefficient of the heatproof conveyor belt is improved.

Description

technical field [0001] The invention relates to a single-bath dipping solution for polyester dipping canvas for high temperature resistant conveyor belts and a preparation method thereof, belonging to the technical field of composite materials in industrial fabrics. Background technique [0002] Polyester dipped canvas, because of its high strength, low elongation, low creep properties, and the lowest price among various skeleton materials, has a very superior cost performance. High temperature resistant rubber conveyor belt A kind of high modulus low shrinkage polyester industrial yarn called HMLS is used as the stress material. These canvases often use RFL (RF: condensation resin of formaldehyde and resorcinol and L: rubber latex configuration dipping solution ) dipping, but so far, the dipped canvas mainly uses butadiene arsenic latex as the main body, and there is no precedent for the use of carboxyl nitrile rubber dipping and ethylene-propylene rubber bonding. [0003]...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L61/06C08L13/02C08L33/08
CPCC08L61/06C08L2205/03C08L13/02C08L33/08
Inventor 唐建勇顾征宇薛晓波吴建国孙业斌许文波
Owner 无锡宝强工业织造有限公司
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