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Timber adhesive

An adhesive and wood technology, applied in the direction of adhesive additives, polymer adhesive additives, non-polymer adhesive additives, etc., can solve problems such as human health hazards, and achieve widened application environment, good water resistance, excellent The effect of bond strength

Inactive Publication Date: 2016-03-23
青岛博泰美联化工技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the existing adhesives contain formaldehyde, which is harmful to human health when used

Method used

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  • Timber adhesive
  • Timber adhesive

Examples

Experimental program
Comparison scheme
Effect test

Embodiment I

[0013] A wood adhesive, comprising the following ingredients in weight percentage: 1.0% of ordinary polyvinyl alcohol, 2.0% of acetylated polyvinyl alcohol, 0.1% of composite emulsifier, 24.5% of mixed monomer, 0.01% of initiator ammonium persulfate, talcum powder 1.8%, carboxylated styrene-butadiene latex 1.5%, emulsified polyisocyanate 5.9%, high-functionality polyisocyanate 4.0%, water 59.19%.

Embodiment II

[0015] A wood adhesive, comprising the following ingredients in weight percentage: 1.7% of ordinary polyvinyl alcohol, 5.0% of acetylated polyvinyl alcohol, 0.2% of composite emulsifier, 31.4% of mixed monomer, 0.05% of initiator ammonium persulfate, talcum powder 4.5%, carboxylated styrene-butadiene latex 4.3%, emulsified polyisocyanate 8.9%, high-functionality polyisocyanate 7.7%, water 40.95%.

Embodiment III

[0017] A wood adhesive, comprising the following ingredients in weight percentage: 1.3% of ordinary polyvinyl alcohol, 3.7% of acetylated polyvinyl alcohol, 0.13% of composite emulsifier, 27.8% of mixed monomer, 0.03% of initiator ammonium persulfate, talcum powder 3.2%, carboxylated styrene-butadiene latex 3.1%, emulsified polyisocyanate 6.9%, high-functionality polyisocyanate 6.5%, water 47.34%.

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Abstract

The invention relates to a timber adhesive, and belongs to the high-molecular chemical field. The main components of the timber adhesive comprise common polyvinyl alcohol, acetylated polyvinyl alcohol, a composite emulsifier, mixed monomers, an initiator ammonium persulfate, talcum powder, carboxyl butylbenzene latex, isocyanate and water. The timber adhesive has excellent bonding intensity and good water resistance, and contains no harmful substances of organic solvents, formaldehyde, phenol and the like, the application environments are widened, and the long-term problem of practical application of a timber adhesive is solved.

Description

technical field [0001] The invention relates to a wood adhesive, in particular to a wood adhesive. Background technique [0002] Adhesives are now widely used in various fields such as transportation, instrumentation, electronic appliances, textiles, construction, wood processing, interior decoration, and daily necessities. Most of the existing adhesives contain formaldehyde, which is harmful to human health when used. Contents of the invention [0003] The object of the present invention is to overcome the defects of the above-mentioned prior art and provide a wood adhesive, which does not contain formaldehyde, has good water resistance and is not easy to age. [0004] In order to achieve the above object, the technical solution adopted by the present invention is: a kind of wood adhesive, comprising the following components by weight percentage: [0005] [0006] Further, the degree of alcoholysis of the common polyvinyl alcohol is 88%. [0007] Further, the comple...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J4/02C09J4/06C09J11/04C09J11/08
CPCC09J4/06C09J11/04C09J11/08
Inventor 刘全英陈隽颖
Owner 青岛博泰美联化工技术有限公司