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Water-based aldehyde-free veneering glue for wood veneer as well as preparation method and application thereof

A veneer and glue technology, applied in the direction of adhesives, monocarboxylate copolymer adhesives, adhesive types, etc., can solve problems such as difficult cleaning, high formaldehyde content, and short timeliness, so as to reduce internal stress, Good permeability and improved aging resistance

Active Publication Date: 2017-08-04
HEFEI KETIAN WATERBORNE TECH CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In view of the above-mentioned shortcomings of the prior art, the purpose of the present invention is to provide a water-based formaldehyde-free decorative panel veneer glue and its preparation method and use, which are used to solve the high formaldehyde content of the decorative panel veneer glue in the prior art, and the aging Short sex, not easy to clean up

Method used

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  • Water-based aldehyde-free veneering glue for wood veneer as well as preparation method and application thereof
  • Water-based aldehyde-free veneering glue for wood veneer as well as preparation method and application thereof
  • Water-based aldehyde-free veneering glue for wood veneer as well as preparation method and application thereof

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Embodiment 1

[0031] Vinyl acetate-ethylene copolymer emulsion in embodiment 1 is Germany Wacker EP724; Water-based polyurethane resin is cationic polyester type water-based polyurethane resin; Filler is glass powder; Environmental plasticizer is epoxy soybean oil; Thickener is guar Soybean gum; the defoamer is NXZ defoamer, and the curing agent is TDI.

Embodiment 2

[0032] The vinyl acetate-ethylene copolymer emulsion in embodiment 2 is DA524 of Dalian Chemical; Water-based polyurethane resin is cationic polyester type water-based polyurethane resin; Filler is heavy calcium carbonate; Environment-friendly plasticizer is TXIB; Thickener is FS22 cationic thickener Thickener; defoamer is 470 defoamer, curing agent is PMDI.

Embodiment 3

[0033] Vinyl acetate-ethylene copolymer emulsion in embodiment 3 is DA908 of Dalian Chemical; Water-based polyurethane resin is cationic polyester type water-based polyurethane resin; Filler is transparent powder; Environmental plasticizer is epoxy octyl soybean oleate; Thickener is Hydroxypropyl starch ether; the defoamer is 399 defoamer, and the curing agent is HDI.

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Abstract

The invention provides water-based aldehyde-free veneering glue for a wood veneer as well as a preparation method and application thereof. The glue is prepared from the following raw materials in parts by weight: 60-80 parts of vinyl acetate-ethylene copolymer emulsion, 10-20 parts of waterborne polyurethane resin, 15-25 parts of filler, 3-8 parts of environment-friendly plasticizer, 0.5-2 parts of a thickening agent, 0.1-1 part of a de-foaming agent and 3-6 parts of a curing agent. All the components of the water-based aldehyde-free veneering glue for the wood veneer provided by the invention are aldehyde-free, safe and environmentally friendly, the generation of formaldehyde is fundamentally eliminated and the glue can reach the formaldehyde-free high standard; the effectiveness of the glue can reach up to 24 hours, the opening time of the veneer is greatly prolonged and better operation time is supplied for production processing; the glue is conveniently cleaned, the production efficiency is high, the preparation components are simple and are easily acquired, the cost is low and the glue is suitable for industrial production.

Description

technical field [0001] The invention relates to the field of home decoration adhesives, in particular to a water-based formaldehyde-free veneer glue for decorative panels and its preparation method and application. Background technique [0002] In recent years, the decoration materials for interior decoration are inseparable from the use of glue. The veneer is a decorative veneer veneer plywood. It is a kind of surface material used for interior decoration or furniture manufacturing, but the veneer veneer glue that appears on the market has the following defects: 1. The formaldehyde content is high, and the free formaldehyde released from the decoration materials has a long time indoors. The release period of more than 15 years will cause serious pollution to the indoor air and cause serious harm to the human body, especially to children, the elderly and pregnant women; and the decoration will also bring serious harm to the physical and mental health of the decorators; if th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J131/04C09J175/06C09J11/04C09J11/06C09J11/08
CPCC08L2205/035C09J11/04C09J11/06C09J11/08C09J131/04C08L75/06C08K13/02C08K5/29
Inventor 许金凤朱道金赵曦李维虎戴家兵
Owner HEFEI KETIAN WATERBORNE TECH CO LTD
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