Method for preparing artificial plate adhesive

A technology for adhesives and wood-based panels, applied in the direction of adhesives, adhesive additives, epoxy resin glue, etc., can solve the problems of high formaldehyde emission from wood-based panels, large amount of adhesives used, and deterioration of the living environment , to achieve the effect of reducing formaldehyde release, improving durability, and avoiding severe moisture

Inactive Publication Date: 2018-08-21
翟琳
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to solve the problem that the amount of adhesive used in the production of wood-based panels is large at present, and most of the adhesives have good bonding, but...

Method used

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preparation example Construction

[0020] A preparation method of an adhesive for wood-based panels, the preparation method comprising the steps of:

[0021] (1) In parts by weight, take 60~65 parts of phenol, 20~30 parts of cornstarch, 15~20 parts of water, 10~15 parts of banana pseudostem powder, 3~5 parts of sodium hydroxide solution, 2~3 Part catalyst, mix phenol and catalyst, stir at 120~130°C, 200~300r / min for 25~30min, add cornstarch, banana pseudostem powder, keep at 130~150°C, 300~400r / min 80~90min, after cooling to 60~70℃, add sodium hydroxide solution and water with a mass fraction of 1~2%, stir for 40~60min, wait for cooling to room temperature, to obtain cooling liquid;

[0022] (2) According to the mass ratio of 1:2~4:3~6, mix the cooling liquid, epichlorohydrin and formaldehyde solution, heat to 60~65°C, keep it for 60~80 min, and then heat up to 80~90°C, Stand still for 25~30min, add sodium hydroxide with 5~6% cooling liquid quality and 20~30% cooling liquid water for mixing, stir at 80~85°C fo...

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PUM

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Abstract

The invention discloses a method for preparing an artificial plate adhesive and belongs to the field of adhesives. According to the artificial plate adhesive, an extract of ginkgo seed coat and nano zinc borate are used; due to substances such as ginkgolic acid and phenol in the ginkgo seed coat, the security and environment protection properties of a wooden product can be improved, and the livingenvironment can be protected; due to addition of the nano zinc borate, the decomposition reaction process and directions of wood can be changed, and pyrolytic reactions of the wood can be developed to generate relatively rich charcoal; meanwhile, a substrate is covered by generated molten boric oxide, so that the flame retardancy of the wooden product can be improved, and the body security can befurther improved. By adopting the method, the problems that a great amount of an adhesive is used in conventional artificial plate production, most adhesives are good in combination property, but poor in function and thus the formaldehyde release amount of an artificial plate is kept at a high level and the living environment can be deteriorated, can be solved.

Description

technical field [0001] The invention belongs to the field of adhesives, and in particular relates to a preparation method of an adhesive for wood-based panels. Background technique [0002] The timber industry is the pillar industry of my country's forestry economy. The development of the timber industry with wood-based panels as the main body is of great significance for building a modern and developed forestry industry system, a complete ecological system and promoting the construction of a four-modernization and two-oriented society. With the development of economy and society, the consumption of wood-based panels in furniture, flooring, building decoration, etc. is increasing at an alarming rate. Wood-based panels are boards or molded products that are made of wood or other non-wood plants, separated into various unit materials by certain mechanical processing, and glued with or without adhesives and other additives. [0003] Adhesives are materials that bond wood to th...

Claims

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Application Information

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IPC IPC(8): C09J103/04C09J163/00C09J129/04C09J11/04C09J11/06
CPCC09J103/04C08K2003/387C08K2201/011C08L2201/02C08L2205/03C09J11/04C09J11/06C09J129/04C09J163/00C08L63/00C08L29/04C08K5/00C08K3/38
Inventor 翟琳乔舍程依
Owner 翟琳
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