Special modified polyvinyl acetate emulsion adhesive and preparation method thereof

A technology of polyvinyl acetate and vinyl acetate, applied in the direction of monocarboxylate copolymer adhesives, adhesive types, non-polymer adhesive additives, etc., which can solve the unreachable and unfinished wood and glass Bonding, poor bonding effect and other problems

Pending Publication Date: 2022-05-06
沈阳爱克浩博化工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] When bonding wood and glass, polyvinyl acetate adhesives are often used for bonding, but the bonding effect is poor and the required effect cannot be achieved. bonding of glass

Method used

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Embodiment Construction

[0017] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0018] The invention provides a special modified polyvinyl acetate emulsion adhesive and a preparation method thereof, comprising the following raw materials, the contents of which are calculated in parts by weight: 40%-50% of water, 40%-50% of vinyl acetate, Polyvinyl alcohol 2%-5%, butyl ether acetate, diethylene glycol formate, propylene carbonate plasticizers total 3%-9%, persulfate 1‰-2‰, defoamer 0.5‰- 0.1‰, preservative 1‰-2‰ A method for preparing a special modified p...

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Abstract

The invention discloses a special modified polyvinyl acetate emulsion adhesive and a preparation method of the special modified polyvinyl acetate emulsion adhesive. The raw materials comprise, by weight, 40%-50% of water, 40%-50% of vinyl acetate, 2%-5% of polyvinyl alcohol, 3%-9% of butyl ether acetate, diethylene glycol formate and propylene carbonate, 0.1%-0.2% of persulfate, 0.05%-0.1% of a defoaming agent and 0.1%-0.2% of a preservative. According to the special modified polyvinyl acetate adhesive disclosed by the invention, three special plasticizers, namely butyl ether acetate, diethylene glycol formate and propylene carbonate, are added, so that the adhesive has special performance, an adhesive film is soft and tough after being dried, and adhesion between glass and wood can be completed. And the adhesive shear strength is equivalent to that of the similar polyvinyl acetate emulsion adhesive on the market, and is determined according to the chemical industry standard (HG / T2727-2010) of the polyvinyl acetate emulsion woodworking adhesive.

Description

technical field [0001] The invention relates to the field of adhesives, in particular to a special modified polyvinyl acetate emulsion adhesive and a preparation method thereof. Background technique [0002] When bonding wood and glass, polyvinyl acetate adhesives are often used for bonding, but the bonding effect is poor and the required effect cannot be achieved. Bonding of glass. Contents of the invention [0003] The object of the present invention is to provide a kind of special modified polyvinyl acetate emulsion adhesive and preparation method thereof, to solve the problems raised in the above-mentioned background technology. [0004] In order to achieve the above object, the present invention provides the following technical solutions: a special modified polyvinyl acetate emulsion adhesive, comprising the following raw materials, the content of which is calculated in parts by weight: water 40%-50%, vinyl acetate 40% -50%, polyvinyl alcohol 2%-5%, butyl ether ...

Claims

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Application Information

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IPC IPC(8): C09J131/04C09J11/06
CPCC09J131/04C09J11/06C08K5/101C08K5/103C08K5/1565
Inventor 李贵斌张恭发王旭东
Owner 沈阳爱克浩博化工有限公司
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