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Water-based spray gel and preparation method thereof

A water-based, glue-spraying technology, applied in the direction of adhesives, natural rubber adhesives, adhesive types, etc. Problems such as poor temperature and frost resistance

Active Publication Date: 2015-09-30
广东远东高分子科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Natural rubber latex is characterized by high solid content, good film-forming properties, and can adjust viscosity at will, but its aging resistance, oil resistance, chemical resistance, temperature resistance, and frost resistance are poor.
Natural rubber latex has high cohesion and high self-adhesiveness, but because of its small molecular chain polarity, it has poor adhesion to adherends, especially those with high polarity, and is not suitable for the industries involved in the above-mentioned glue spraying.

Method used

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  • Water-based spray gel and preparation method thereof
  • Water-based spray gel and preparation method thereof

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preparation example Construction

[0047] The present invention also provides a kind of preparation method of water-based spray glue, and it comprises the steps:

[0048] Add water-based polyurethane emulsion and pH stabilizer to the reaction kettle according to the above mass parts, and stir for 10-20 minutes;

[0049] Add emulsifier and stir for 10-20 minutes;

[0050] Add water-based tackifying resin and stir for 10-20 minutes;

[0051] Add hydrophilic fumed silica and stir for 30-60 minutes;

[0052] Add acrylic latex and stir for 15-20 minutes;

[0053] Add natural rubber latex and stir for 15-20 minutes;

[0054] Add defoamer and stir for 10-20 minutes;

[0055] Then add 0.2-0.5 parts of rheology modifier, stir evenly, and filter out the material.

[0056] In order to ensure that the aqueous fumed silica is fully and uniformly wetted and dispersed, for example, after adding the aqueous fumed silica, the silica is dispersed by shaking, mechanical stirring or ultrasonic treatment. In another example, ...

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Abstract

The invention relates to a water-based spray gel which comprises the following components in parts by weight: 40-60 parts of natural latexes, 20-60 parts of acrylic latexes, 40-100 parts of water-based tackifying resin, 20-60 parts of water-based polyurethane emulsions, 6-10 parts of hydrophilic aerosil, 1.2-3 parts of emulsifying agents, 0.3-0.5 part of defoaming agents, 1-3 parts of pH stabilizing agents and 0.2-0.5 part of rheology modifiers. The water-based polyurethane emulsions, the acrylic latexes and the natural latexes are compounded to form a stable system by adding the pH stabilizing agent, the emulsifying agents, the water-based aerosil and the like and regulating the addition sequences of the components, thus the water-based spray gel disclosed by the invention has the advantages of high solid content, fast drying, excellent property, long opening time, high adaptability on an adhesive material, incombustibility, no corrosion and low VOC, meets the requirement for environment friendliness, is convenient to operate by an operator and can be used for effectively preventing the generation chances of a fire and an occupational disease.

Description

technical field [0001] The invention relates to the technical field of adhesives, in particular to a water-based spray glue and a preparation method thereof. Background technique [0002] Spray glue is a kind of adhesive with suitable viscosity that closely connects two different material interfaces and plays the role of transfer application. It is widely used in furniture, leather and decoration industries, especially sofas, swivel chairs, screens, fabrics, pillows, It is most widely used in kitchen cabinet board bonding, foam insulation board, handbags and bags, etc. At present, the spray glue on the market is mainly solvent-based spray glue (oily spray glue). Solvent-based spray glue contains a large amount of organic solvents, such as toluene and chlorinated solvents, and even contains carcinogenic ingredients such as benzene. These organic solvents enter the air, seriously affecting people's living environment and damaging people's health. In addition, solvent-based ...

Claims

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Application Information

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IPC IPC(8): C09J107/00C09J193/04C09J161/06C09J175/04C09J133/00C09J11/06C09J11/04
Inventor 肖炜旷爱忠
Owner 广东远东高分子科技有限公司
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