A water-based two-component spray glue

A water-based two-component, spray-adhesive technology, applied in the direction of adhesives, adhesive types, polyurea/polyurethane adhesives, etc., can solve the instability of water-based neoprene latex, the performance of oily products cannot be achieved, and equipment is bundled for sale Price and other issues, to achieve the effects of wide range of uses, improved work efficiency, and simple preparation methods

Active Publication Date: 2017-01-11
GUANGDONG ORIENT RESIN
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] At present, the water-based spray glue market is mainly produced by several large domestic factories, and its main part is mainly water-based neoprene; while the supply of water-based neoprene latex is mainly C84 produced by Germany BAYER, while domestic The water-based neoprene latex produced in Datong, Shanxi Province is still unstable and there are many problems. Products imported from abroad, such as insufficient purchase, bundled sales of equipment and high prices, have shortcomings, and the performance of oil-based products cannot be achieved in use, so this type of product is limited. Promotion of products on a large scale

Method used

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  • A water-based two-component spray glue
  • A water-based two-component spray glue
  • A water-based two-component spray glue

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Embodiment 1

[0026] The present invention provides a water-based two-component spray glue, which is prepared by mixing 100g of water-based polyurethane resin and 100g of water-based catalyst (code named AS-100).

[0027] Above-mentioned waterborne polyurethane is prepared through following steps successively:

[0028] 1) Add 90g polyester polyol 330 (polyester polyol 330, molecular weight 2000, hydroxyl value 36-38, acid value is less than 0.5%, water content is less than 0.2%) to the there-necked flask, feed N 2 While stirring and heating to 120°C, dehydrate for 2 hours;

[0029] 2) When the temperature of the dehydrated polyester polyol in step 1) is lowered to 95°C, add 60g of solvent, 51g of hexamethylene diisocyanate, 22g of isophorone diisocyanate, and 0.004g of dibutyltin dilaurate to react for 2 hours ;

[0030] 3) Add 73g of anhydrous acetone, 1.5g of 1.4-butanediol and 4.0g of German Bayer A-90 to the system after the reaction in step 2) for chain extension, then slowly add 150...

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Abstract

The invention belongs to the technical field of adhesives and discloses water-based double-component spray glue which is convenient to use, little in environmental pollution and good in bonding effect. The water-based double-component spray glue is technically characterized by comprising, by weight, one to two parts of water-based polyurethane resin and one part of water-based catalysts.

Description

technical field [0001] The invention discloses a spray glue, specifically a water-based two-component spray glue, belonging to the technical field of adhesives. Background technique [0002] Spray glue is an adhesive product with excellent performance, and the market prospect is very broad. At present, the spray glue used for sponge, sofa and leather in the market is mainly oil-based spray glue. Because oil-based products use a lot of solvents, a large amount of VOC emissions will be generated in the industrial production process, resulting in severe smog weather. It has caused a great impact on the living environment of human beings; and it will cause certain harm to the human body during use, and it is prone to unstable factors such as flammability and explosion during use; the development of products mainly based on water-based spray glue is the future The main direction of development. According to the improvement of national laws and regulations, it has become inevita...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09J175/06C09J11/06C08G18/75C08G18/73C08G18/66C08G18/42C08G18/32
Inventor 秦书康
Owner GUANGDONG ORIENT RESIN
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