Low-viscosity wood adhesive

A wood glue, low-viscosity technology, used in adhesives, non-polymer adhesive additives, non-polymer organic compound adhesives, etc. It can improve the viscosity of the finished product and improve the toughness.

Inactive Publication Date: 2015-11-04
BENGBU HONGAN PRECISION MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, there are many types of wood adhesives. Wood-based panel factories mainly use adhesives such as urea-formaldehyde resin and phenolic resin to produce fiberboard, plywood, particleboard and other boards. Some of them are based on the original polyvinyl acetate emulsion, acrylic emulsion, and polyurethane adhesive. Soybean-based wood adhesives, starch-based

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A kind of low-viscosity wood glue, it is made up of the raw material of following parts by weight:

[0020] Powdered nitrile 0.5, lauryl methacrylate 0.7, polyvinyl butyral 2, sodium myristate soap 1, cyclodextrin 3, tribasic lead sulfate 0.4, copper 8-hydroxyquinoline 0.8, 2, 6-di-tert-butyl-p-cresol 1, ethylene-ethyl acrylate copolymer 65, nano-carbon powder 6, hydrogenated rosin resin 7, bioadhesive 4;

[0021] Described biological binder is made up of the raw material of following parts by weight:

[0022] Sodium sulfite 0.4, structural enhancer 4, acetate starch 11, propylene glycol phenyl ether 5, polyacrylamide 4, aluminum citrate 0.7, alkyl glucoside 2, water-soluble phenolic resin 2, water 200;

[0023] Add polyacrylamide to 6 times of water to prepare a solution, add water-soluble phenolic resin, adjust pH to 8, add structure enhancer, sodium sulfite, stir well, and obtain liquid a; mix acetate starch and propylene glycol phenyl ether, add To 80% of the rema...

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PUM

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Abstract

The invention discloses a low-viscosity wood adhesive. The low-viscosity wood adhesive comprises, by weight, 0.5-1 part of powdery butyronityile, 0.7-2 parts of lauryl methacrylate, 2-3 parts of polyvinyl butyral ester, 1-2 parts of sodium myrastate, 2-3 parts of cyclodextrin, 0.4-1 part of lead sulfate tribasic, 0.8-1 part of copper 8-hydroxyquinoline, 1-2 parts of 2,6-ditertbutyl-4 methylphenol, 65-80 parts of ethylene-ethyl acrylate copolymer, 6-8 parts of nanometer powdery carbon, 7-9 parts of hydrogenated rosin resin and 4-7 parts of a bio-adhesive. The bio-adhesive adopts elm bark powder as a structural reinforcing agent, and cooperates with high-viscosity polyacrylamide to make formed gel have the characteristics of fibers and have certain toughness, so the viscosity of the above finished product is improved, and the toughness of the finished product is improved.

Description

technical field [0001] The invention mainly relates to the glue field, in particular to a low-viscosity wood glue. Background technique [0002] At present, there are many types of wood adhesives. Wood-based panel factories mainly use adhesives such as urea-formaldehyde resin and phenolic resin to produce fiberboard, plywood, particleboard and other boards. Some of them are based on the original polyvinyl acetate emulsion, acrylic emulsion, and polyurethane adhesive. Soybean-based wood adhesives, starch-based wood adhesives, other crop-based wood adhesives, and modified isocyanate adhesives have been developed. Although they all have certain adhesive properties, they still have many shortcomings. Some have poor weather resistance and boiling water resistance. Poor resistance, poor frost resistance, acid resistance, etc., can cause the colloid to deteriorate and lose its bonding effect. Contents of the invention [0003] The purpose of the present invention is to p...

Claims

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Application Information

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IPC IPC(8): C09J4/02C09J4/06C09J11/00C09J11/04C09J11/06
Inventor 张洪滨
Owner BENGBU HONGAN PRECISION MACHINERY
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