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Dipping solution for high-temperature-resistant industrial canvas and preparation method of dipping solution

A dipping liquid and high temperature resistant technology, which is applied in fiber types, textiles and papermaking, fiber treatment, etc., can solve the problems of adhesive layer damage failure, easy to be decomposed, etc., to achieve enhanced adhesive performance, good adhesiveness, The effect of improving the adhesive performance

Inactive Publication Date: 2014-12-24
ANHUI UNIVERSITY OF TECHNOLOGY AND SCIENCE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the two-bath method is relatively mature in the production of polyester canvas dipping. The first bath uses water-based latex, and the second bath is the traditional resorcinol-formaldehyde-latex dipping solution. This traditional dipping solution Under long-term high temperature, it is easy to be decomposed, resulting in the failure of the adhesive layer

Method used

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  • Dipping solution for high-temperature-resistant industrial canvas and preparation method of dipping solution
  • Dipping solution for high-temperature-resistant industrial canvas and preparation method of dipping solution
  • Dipping solution for high-temperature-resistant industrial canvas and preparation method of dipping solution

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] The present invention will be further described below in conjunction with embodiment.

[0024] A dipping solution for high-temperature-resistant industrial canvas, the formula of which includes the following raw materials in parts by weight:

[0025]

[0026] The formula of described RF liquid comprises the raw material of following weight portion:

[0027]

[0028] The purity of the sodium hydroxide is ≧96%, the mass percent concentration of formaldehyde is 37%, the mass percent concentration of nitrile latex is 45%, the mass percent concentration of butylpyridine latex is 40%, the mass percent concentration of ammonia water Min concentration is 18%.

[0029] A preparation method of a dipping solution for high-temperature-resistant industrial canvas, comprising the following steps:

[0030] (1), according to the formula of the dipping solution, add soft water into the reaction tank, then add sodium hydroxide, mix and stir until dissolved;

[0031] (2), add the...

Embodiment 2

[0040] A dipping solution for high-temperature-resistant industrial canvas, the formula of which includes the following raw materials in parts by weight:

[0041]

[0042] The formula of described RF liquid comprises the raw material of following weight portion:

[0043]

[0044] The purity of described sodium hydroxide is ≥ 96%, the mass percent concentration of formaldehyde is 37.4%, the mass percent concentration of nitrile latex is 40%, the mass percent concentration of butylpyridine latex is 41.5%, the mass percent concentration of ammoniacal liquor Min concentration is 19%.

[0045] A preparation method of a dipping solution for high-temperature-resistant industrial canvas, comprising the following steps:

[0046] (1), according to the formula of the dipping solution, add soft water into the reaction tank, then add sodium hydroxide, mix and stir until dissolved;

[0047] (2), add the nitrile latex and butylpyridine latex of formula quantity again, stir;

[0048]...

Embodiment 3

[0056] A dipping solution for high-temperature-resistant industrial canvas, the formula of which includes the following raw materials in parts by weight:

[0057]

[0058]

[0059] The formula of described RF liquid comprises the raw material of following weight portion:

[0060]

[0061] The purity of described sodium hydroxide is ≥ 96%, the mass percent concentration of formaldehyde is 37%, the mass percent concentration of nitrile latex is 43%, the mass percent concentration of butylpyridine latex is 39.5%, the mass percent concentration of ammoniacal liquor Min concentration is 18%.

[0062] A preparation method and steps of a high-temperature-resistant industrial canvas dipping solution are the same as in Example 1.

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Abstract

The invention provides a dipping solution for high-temperature-resistant industrial canvas and a preparation method of the dipping solution. The dipping solution is prepared from the following raw materials in parts by weight: 50-70 parts of soft water, 0.1-0.2 part of solid-state sodium hydroxide, 110-130 parts of nitrile latex, 70-80 parts of butadiene-vinylpyridine latex, 12-14 parts of ammonia water, 178-181.4 parts of an RF solution and 11-14 parts of isocyanate, wherein the RF solution is prepared from the following raw materials in parts by weight: 139-170 parts of soft water, 0.17-0.21 part of solid-state sodium hydroxide, 9-11 parts of resorcinol and 7.3-16.2 parts of formaldehyde. Compared with the prior art, the dipping solution adopts the nitrile latex and the butadiene-vinylpyridine latex as main bodies, enhances the adhesion property of a framework layer and a rubber layer, enhances the adhesion property among high-temperature layers of a conveying belt, and prolongs the service life of the conveying belt.

Description

technical field [0001] The invention relates to the field of canvas treatment, in particular to a dipping solution for high-temperature-resistant industrial canvas and a preparation method thereof. Background technique [0002] The skeleton material of the conveyor belt is polyester dipped canvas. The melting point of polyester material is 264°C and has good heat resistance. Therefore, polyester dipped canvas has generally replaced the earlier cotton canvas. It is used in various high temperature resistant conveyor belts. Its powerful advantages are shown in the application field. [0003] Polyester dipped canvas is an important part of the conveyor belt, which bears almost all the loads of the conveyor belt during operation. At present, the two-bath method is relatively mature in the production of polyester canvas dipping. The first bath uses water-based latex, and the second bath is the traditional resorcinol-formaldehyde-latex dipping solution. This traditional dipping s...

Claims

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Application Information

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IPC IPC(8): D06M15/693D06M11/38D06M11/60D06M13/395D06M13/152D06M13/127D06M101/32
Inventor 毕松梅姚敏谢艳霞石杰
Owner ANHUI UNIVERSITY OF TECHNOLOGY AND SCIENCE
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