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Dipping adhesive for flexible industrial canvas and preparation method of dipping adhesive

A dipping liquid and industrial technology, which is applied to the dipping liquid of flexible industrial canvas and its preparation field, can solve the problems of the conveyor belt being easily worn, affecting the transmission effect, and lacking flexibility, etc. performance, excellent flexural resistance

Inactive Publication Date: 2015-12-02
ANHUI UNIVERSITY OF TECHNOLOGY AND SCIENCE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the long-term use of the canvas treated with this kind of glue, due to the lack of certain flexibility, it will be separated from the glue layer at the buckling point, so that it cannot fit together well, making the conveyor belt susceptible to wear, slipping, and impact. Transmission effect

Method used

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  • Dipping adhesive for flexible industrial canvas and preparation method of dipping adhesive
  • Dipping adhesive for flexible industrial canvas and preparation method of dipping adhesive
  • Dipping adhesive for flexible industrial canvas and preparation method of dipping adhesive

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A dipping solution for flexible industrial canvas, comprising the following raw materials in parts by weight:

[0028]

[0029] The formula of described phenolic resin liquid comprises the raw material of following weight portion:

[0030]

[0031] The purity of the sodium hydroxide is ≧96%, the mass percent concentration of formaldehyde is 37%, the mass percent concentration of butylpyridine latex is 40%, the mass percent concentration of natural rubber latex is 30%~40%, the mass percent concentration of ammonia water The percent concentration is 19%.

[0032] A preparation method for a dipping solution of flexible industrial canvas, comprising the following steps:

[0033] ⑴ According to the formula of dipping solution, add distilled water into the reaction vessel, then add sodium hydroxide, mix and stir until dissolved;

[0034] (2) Then add the butylpyridine latex in the formula amount, and stir evenly;

[0035] (3) Add the ammonia water of formula quantity...

Embodiment 2

[0042] A dipping solution for flexible industrial canvas, comprising the following raw materials in parts by weight:

[0043]

[0044] The formula of described phenolic resin liquid comprises the raw material of following weight portion:

[0045]

[0046] The purity of the sodium hydroxide is ≧96%, the mass percent concentration of formaldehyde is 37%, the mass percent concentration of butylpyridine latex is 40%, the mass percent concentration of natural rubber latex is 30%~40%, the mass percent concentration of ammonia water The percent concentration is 19%.

[0047] A preparation method for a dipping solution of flexible industrial canvas, comprising the following steps:

[0048] ⑴ According to the formula of dipping solution, add distilled water into the reaction vessel, then add sodium hydroxide, mix and stir until dissolved;

[0049] (2) Then add the butylpyridine latex in the formula amount, and stir evenly;

[0050] (3) Then add the amount of ammonia water in t...

Embodiment 3

[0057] A kind of dipping liquid of flexible industrial canvas, its formula comprises the raw material of following weight part:

[0058]

[0059]

[0060] The formula of described phenolic resin liquid comprises the raw material of following weight portion:

[0061]

[0062] The purity of the sodium hydroxide is ≧96%, the mass percent concentration of formaldehyde is 37%, the mass percent concentration of butylpyridine latex is 40%, the mass percent concentration of natural rubber latex is 30%~40%, the mass percent concentration of ammonia water The percent concentration is 19%.

[0063] A preparation method for a dipping solution of flexible industrial canvas, comprising the following steps:

[0064] ⑴ According to the formula of dipping solution, add distilled water into the reaction vessel, then add sodium hydroxide, mix and stir until dissolved;

[0065] (2) Then add the butylpyridine latex in the formula amount, and stir evenly;

[0066] (3) Add the amount of ...

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Abstract

The invention discloses a dipping adhesive for flexible industrial canvas and a preparation method of the dipping adhesive. The dipping adhesive comprises raw materials in parts by weight as follows: 20-30 parts of distilled water, 0.035-0.045 parts of sodium hydroxide, 55-65 parts of butadiene-vinyl pyridine latex, 20-30 parts of natural latex, 6-7 parts of ammonium water and 75-85 parts of a phenolic resin solution, wherein the phenolic resin solution comprises raw materials in parts by weight as follows: 150-170 parts of distilled water, 0.15-0.25 parts of sodium hydroxide, 10-11 parts of resorcinol and 12-14 parts of formaldehyde. Compared with the prior art, the dipping adhesive adopts phenolic resin prepared from resorcinol and the formaldehyde solution as well as butadiene-vinyl pyridine latex and natural latex as main raw materials, so that the canvas has better flexibility, the adhesion performance between a framework layer and a rubber layer is improved, the service life of a conveyor belt is prolonged, and the conveying accuracy of the conveyor belt is improved.

Description

technical field [0001] The invention belongs to the field of canvas treatment, and in particular relates to a dipping liquid for flexible industrial canvas and a preparation method thereof. Background technique [0002] The skeleton material of the conveyor belt is polyester dipped canvas. Polyester material has excellent comprehensive properties, such as high breaking strength, high elastic modulus, and moderate resilience. Therefore, polyester dipped canvas is used as the main skeleton material of conveyor belt products. , has replaced the traditional fiber fabrics and has been widely used in the field of conveyor belts at home and abroad. [0003] Polyester dipped canvas is an important part of the conveyor belt. At present, the two-bath method is usually used in the production of polyester canvas dipped. The first bath is pretreated (usually with epoxy or isocyanate compounds), and the second bath is It is a traditional resorcinol-formaldehyde-latex dipping solution. I...

Claims

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Application Information

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IPC IPC(8): C08L9/10C08L7/02C08L61/12D06M15/693D06M15/41
Inventor 毕松梅陆勤伟谢艳霞
Owner ANHUI UNIVERSITY OF TECHNOLOGY AND SCIENCE
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