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Rubber adhesive and preparation method thereof

A rubber adhesive and solvent technology, applied in the direction of adhesives, can solve the problems of poor adhesion between rubber and non-pure cotton fabrics, affecting product quality and service life, and failing to meet industry standards. Remarkable efficacy, the effect of improving bond strength

Inactive Publication Date: 2009-09-02
JIHUA 3517 RUBBER PROD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, during the use of the product, it is easy to cause the rubber and non-pure cotton fabric to be bonded weakly or even fall off, which affects the product quality and service life, and cannot meet the requirements of the industry standard.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] 1) Under normal temperature and pressure conditions, put 10kg resorcinol into 20kg distilled water, stir to make it dissolve to form a solution, and set aside;

[0024] 2) Under normal temperature and pressure conditions, put 20kg of hexamethylenetetramine into 20kg of distilled water, stir to make it dissolve to form a solution, and set aside;

[0025] 3) Under normal temperature and pressure conditions, add the above-mentioned resorcinol solution into the reaction kettle, then gradually add the above-mentioned hexamethylenetetramine solution, and stir while adding, until the pH value reaches 7;

[0026] 4) Filtration, dehydration, drying;

[0027] 5) Inspection and packaging are completed.

Embodiment 2

[0029] 1) Under normal temperature and pressure conditions, put 20kg resorcinol into 25kg distilled water, stir to make it dissolve to form a solution, and set aside;

[0030] 2) Under normal temperature and pressure conditions, put 30kg of hexamethylenetetramine into 25kg of distilled water, stir to make it dissolve to form a solution, and set aside;

[0031] 3) Under normal temperature and pressure conditions, add the above-mentioned resorcinol solution into the reaction kettle, then gradually add the above-mentioned hexamethylenetetramine solution, and stir while adding, until the pH value reaches 7.5;

[0032] 4) Filtration, dehydration, drying;

[0033] 5) Inspection and packaging are completed.

Embodiment 3

[0035] 1) Under normal temperature and pressure conditions, put 30kg resorcinol into 30kg distilled water, stir to make it dissolve to form a solution, and set aside;

[0036] 2) Under normal temperature and pressure conditions, put 40kg of hexamethylenetetramine into 30kg of distilled water, stir to make it dissolve to form a solution, and set aside;

[0037] 3) Under normal temperature and pressure conditions, add the above-mentioned resorcinol solution into the reaction kettle, then gradually add the above-mentioned hexamethylenetetramine solution, and stir while adding, until the pH value reaches 8;

[0038] 4) Filtration, dehydration, drying;

[0039] 5) Inspection and packaging are completed.

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Abstract

The invention relates to a rubber adhesive and a preparation method thereof. The rubber adhesive comprises the following raw materials by weight: 10-30 portions of resorcin, 20-40 portions of formamine and 40-60 portions of solvent. The preparation method comprises the following steps: 1) putting resorcin in the solvent and stirring the mixture to form solution at the normal temperature and pressure for standby; 2) putting formamine in the solvent and stirring the mixture to form solution at the normal temperature and pressure for standby; 3) at the normal temperature and pressure, putting resorcin solution in a reaction kettle, adding formamine solution gradually and stirring the mixture synchronously until pH reaches 7-8; 4) filtering, dehydrating and drying; and 5)checking and packing. The rubber adhesive can participate in chemical reaction in the heating and vulcanization process of the rubber to ensure that stable and firm chemical bonds are formed between rubbers and non-pure cotton textiles so as to improve the adhesive strength between rubbers and textiles, meanwhile the invention is suitable for the adhesion of various rubbers and non-pure cotton textiles.

Description

technical field [0001] The invention relates to a rubber raw material fine chemical product material, in particular to a rubber adhesive and a preparation method thereof. Background technique [0002] At present, the bonding between rubber and non-pure cotton fabrics is mainly: 1. After rubber is processed, the molecular weight becomes smaller and the plasticity increases. The rubber polymer penetrates into the fabric to form a physical bond, and its bonding strength is relatively small; 2. The fabric is mechanically calendered, and under the action of mechanical pressure and shear force, the rubber polymer is pressed into the fabric to form a physical bond, and its bond strength is small. Therefore, the product is prone to the phenomenon that the rubber and the non-pure cotton fabric are not bonded firmly or even fall off during use, which affects the quality and service life of the product and fails to meet the requirements of the industry standard. Contents of the inven...

Claims

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Application Information

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IPC IPC(8): C09J179/00
Inventor 曾轶王志坚蒋绮云徐文革潘麟
Owner JIHUA 3517 RUBBER PROD
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