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A kind of preparation method of environment-friendly formaldehyde-free wood special-purpose furan resin adhesive

An adhesive and resin-like technology, applied in adhesives, organic chemistry, etc., can solve the problems of pollution and formaldehyde, and achieve the effects of solving formaldehyde pollution, good water resistance, and good fire and flame retardancy

Inactive Publication Date: 2014-10-15
SHIJIAZHUANG WORLDWIDE FURFURAL & FURFURYL ALCOHOL CO LTD
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Problems solved by technology

[0003] The purpose of the present invention is to solve the technical problem that the existing wood adhesives all contain formaldehyde. In order to solve this problem, we have designed a preparation method of an environmentally friendly formaldehyde-free wood special furan resin adhesive. The obtained resin glue The adhesive does not contain formaldehyde and other harmful substances. It is a new type of green and high-performance polymer material, which effectively solves the problem of indoor formaldehyde pollution, and at the same time greatly saves energy, reduces environmental pollution, and saves production costs.

Method used

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  • A kind of preparation method of environment-friendly formaldehyde-free wood special-purpose furan resin adhesive

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preparation example Construction

[0012] A method for preparing an environment-friendly formaldehyde-free furan resin adhesive for wood. Firstly, 2-furan methanol is prepared, and then the resin adhesive is prepared by using 2-furan methanol. The key is: the 2-furan methanol is obtained by using crop straw On this basis, the preparation method comprises the following steps:

[0013] a. Proportion of raw materials according to the following mass proportions: 290-310 parts of crop straw, 9-18 parts of catalyst;

[0014] b. Put the raw materials prepared in step a into the reaction kettle, then add steam, distill and cool at 160-175°C for 185-260 minutes, then add 0.2-0.4 parts of hydrogen with a purity of 99%, and the hydrogenation reaction takes 35 After ~45 minutes, cool to 29~31°C to obtain 2-furanmethanol;

[0015] c. Add 65-75 parts of 2-furan methanol, 15-25 parts of ethanol with an alcohol content of 98%, and 4-6 parts of vegetable oil into the reaction kettle and mix evenly, heat up to 30-40°C, and carr...

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Abstract

The invention discloses a preparation method of an environmentally-friendly formaldehyde-free wood special-purpose resin adhesive. The preparation method solves the problem that the existing wood adhesives contain formaldehyde. The preparation method comprises the following steps of preparing 2-furfuryl alcohol and preparing the environmentally-friendly formaldehyde-free wood special-purpose resin adhesive from the 2-furfuryl alcohol, and the 2-furfuryl alcohol is prepared from crop straws. The crop straws replace petroleum so that indoor formaldehyde pollution is effectively avoided and human health of consumers and especially infants are protected. Petroleum products having the value of hundreds of million yuan are saved every year. Energy is greatly reduced. Environmental pollution is reduced. A production cost is reduced. The problem of huddling of crop straws is solved. The peasant income is improved.

Description

technical field [0001] The invention belongs to the technical field of chemical industry, and relates to a method for preparing a resin adhesive, in particular to a method for preparing an environment-friendly formaldehyde-free wood-specific furan resin adhesive. Background technique [0002] In recent years, the wood processing industry at home and abroad has developed rapidly, and the export trade of wood products has grown at a rate of nearly 30% per year. The large-scale export of wood products has very considerable market prospects and potentials. The domestic potential market size alone is more than 3.5 billion yuan. Considerable market prospect and potential. Formaldehyde is a colorless gas with a strong pungent smell. At present, the petroleum-based adhesives used in domestic wood products all contain formaldehyde. Formaldehyde will cause serious pollution to indoor air and can cause nose cancer, throat cancer, skin cancer , leukemia, cardiovascular and cerebrovascu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09J165/00C08G61/12C07D307/44
Inventor 信利敏马培梁军良王志军刘莎李彩云王成海贾春华刘萌王京斌王红欣
Owner SHIJIAZHUANG WORLDWIDE FURFURAL & FURFURYL ALCOHOL CO LTD
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