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Room-temperature curing water-based mono-component metal-plate-covered hide glue

A room temperature curing, one-component technology, applied in the direction of monocarboxylate copolymer adhesive, adhesive type, etc., can solve problems such as poor adhesion of metal plates, and achieve improved adhesion, water resistance and moisture resistance. Strength-enhancing effect

Inactive Publication Date: 2010-08-18
刘少来
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Problems solved by technology

[0004] The purpose of the present invention is to provide a room temperature curing water-based single-component metal plate covering adhesive, which can solve the shortcomings of polyvinyl acetate emulsions with poor adhesion to metal plates, and simultaneously improve its water resistance, weather resistance and wet strength. performance

Method used

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specific Embodiment approach 1

[0010] Specific embodiment one: this specific embodiment adopts the following technical scheme: it is made of polyvinyl alcohol as 3.0%, vinyl acetate 40%, acrylic acid 0.2%, butyl acrylate 1.5%, tertiary vinyl carbonate 5.8%, hydroxyethyl acrylate 1.5%, 1.0% hydroxypropyl acrylate, 2.8% dibutyl phthalate, 0.11% ammonium persulfate, 0.12% sodium bicarbonate, 44% water, and 0.8% emulsifier; its preparation method is: Measure vinyl acetate, acrylic acid, butyl acrylate, vinyl tert-carbonate, hydroxyethyl acrylate, and hydroxypropyl acrylate into the monomer tank for mixing. Then put water into the dissolution kettle, turn on the stirring, slowly put in polyvinyl alcohol, sodium bicarbonate, emulsifier, then heat up to 95°C, keep it warm for 1 hour, cool down to 78°C, add 10% of the total amount of monomers % mixed monomers and 20% ammonium persulfate aqueous solution. When the emulsion in the reactor is slightly blue and there is no reflux in the condenser, start to add one-fif...

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Abstract

The invention relates to room-temperature curing water-based mono-component metal-plate-covered hide glue, and to modified polyvinyl acetate copolymerization emulsion, which solves the problems of the prior art that the polyvinyl acetate emulsion has poor adhesion on the metal plate and the adhesive has poor water resistance, and consists of water, polyvinyl alcohol, ammonium persulfate, sodium bicarbonate, crylic acid, butyl acrylate, hydroxy-ethyl acrylate, hydroxy-propyl acrylate, vinyl versatate, vinyl acetate, emulsifier and dibutyl phthalate. Compared with the similar products both at home and abroad, the indexes of the glue such as wood-metal adhesion strength, glue membrane water resistance, minimum membrane-formation temperature and the like are greatly improved.

Description

Technical field: [0001] The invention relates to a room-temperature-curable water-based single-component metal plate covering glue, in particular polyvinyl acetate copolymerized modified emulsion, which is used for compounding metal plates and solid wood veneers. Background technique: [0002] At present, there are many types of adhesives that can be used to bond metal and non-metallic materials, but most of them are two-component, which is troublesome to use, and has certain organic volatiles, which is not conducive to environmental protection. Most of the one-component adhesives are Solvent-based adhesives have poor heat resistance, and for a small number of water-based one-component adhesives, they cannot form a strong force on metal materials. Therefore, a single-component, water-based adhesive that can bond metal plates and wood is developed. It means a lot. [0003] Polyvinyl acetate emulsion has decades of production history. It has the advantages of high strength an...

Claims

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Application Information

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IPC IPC(8): C09J131/04C08F218/08C08F220/06C08F220/18C08F218/04C08F220/28
Inventor 刘少来
Owner 刘少来
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