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Soybean-meal-based wood adhesive and preparing method thereof

A wood adhesive and adhesive technology, applied in the preparation of adhesives, animal glue or gelatin, adhesive types, etc., can solve problems such as formaldehyde pollution, achieve the effect of saving production costs, comprehensively utilizing resources, and meeting water resistance requirements

Inactive Publication Date: 2016-09-28
BEIJING FORESTRY UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to solve the above problems, the present invention designs a soybean meal-based wood adhesive and a preparation method thereof, which can meet the water resistance requirements of the adhesive for wood-based panels and ensure the practical performance of the protein adhesive; thoroughly solve the problem of indoor air caused by wood-based panels Formaldehyde pollution problem; the main raw materials are renewable resources, in line with the principles of environmental protection and sustainable development

Method used

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  • Soybean-meal-based wood adhesive and preparing method thereof
  • Soybean-meal-based wood adhesive and preparing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] This embodiment provides an adhesive for wood-based panels, and the adhesive is prepared according to the following weight ratio:

[0039] Demineralized water 73 kg

[0040] Defatted Soy Protein Powder 27 kg

[0041] Denaturant 1.0kg

[0042] Viscosity reducer 0.001kg

[0043] Emulsifier 0.5kg

[0044] Enhancer 7kg

[0045] Among them, the protein content of defatted soybean protein powder is more than 43% (purchased from Huifu Grain and Oil Co., Ltd.); the denaturant is commercially available common guanidine hydrochloride, the viscosity reducer is papain, and the emulsifier is polyvinyl alcohol (purchased from Beijing Chemical Reagent Co., Ltd. Co., Ltd., content 99%); the reinforcing agent is self-made tannin-resorcinol-glutaraldehyde prepolymer (solid content 60%, viscosity 2400mPa.s).

[0046] This embodiment provides the preparation method of above-mentioned adhesive simultaneously, and specific preparation steps are as follows:

[0047] 1) In a mixer equipped...

Embodiment 2

[0052] This embodiment provides an adhesive for wood-based panels, and the adhesive is prepared according to the following weight ratio

[0053] Tap water 71 kg

[0054] Defatted Soy Protein Powder 29 kg

[0055] Denaturant 1.5kg

[0056] Viscosity reducer 0.002kg

[0057] Emulsifier 1.0kg

[0058] Enhancer 12kg

[0059] Among them, the protein content of defatted soybean protein powder is more than 43% (purchased from Huifu Grain and Oil Co., Ltd.); the denaturant is commercially available urea, the viscosity reducing agent is bromelain, and the emulsifier is polyacrylamide (purchased from Beijing Chemical Reagent Co., Ltd. , content 99%); the enhancer is self-made tannin-resorcinol-glutaraldehyde prepolymer (solid content 60%, viscosity 2400mPa.s).

[0060] The preparation method of the adhesive described in this example is the same as in Example 1, and the performance and quality indicators of the obtained adhesive are shown in Table 1.

Embodiment 3

[0062] This embodiment provides an adhesive for wood-based panels, and the adhesive is prepared according to the following weight ratio:

[0063] Demineralized water 69 kg

[0064] Defatted Peanut Protein Powder 31 kg

[0065] Denaturant 1.0kg

[0066] Viscosity reducer 0.002kg

[0067] Emulsifier 1.5kg

[0068] Enhancer 18kg

[0069] Among them, the protein content of defatted soybean protein powder is more than 43% (purchased from Huifu Grain and Oil Co., Ltd.); the denaturant is commercially available urea, the viscosity reducing agent is neutral protease, and the emulsifier is polyetherimide (purchased from Beijing Chemical Industry Co., Ltd. Reagent Co., Ltd., content 99%); the enhancer is self-made tannin-resorcinol-glutaraldehyde prepolymer (solid content 60%, viscosity 2400mPa.s).

[0070] The preparation method of the adhesive described in this example is the same as in Example 1, and the performance and quality indicators of the obtained adhesive are shown in Ta...

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Abstract

The invention discloses soybean-meal-based wood adhesive and a preparing method thereof. The soybean-meal-based wood adhesive is prepared from 27-33 parts of degreased protein powder, 0.001-0.003 part of viscosity reducer, 0.5-2.0 part of emulgator, 1-2 parts of denaturant, 7-20 parts of enhancer and 65-73 parts of a dispersion medium. The preparing method includes the steps of dispersing, mixing, temperature rising, stirring and the like. The soybean-meal-based wood adhesive has the advantages that the waterproof requirement of the artificial board adhesive can be met, and practicability of the protein adhesive is ensured; the problem of formaldehyde pollution in indoor air due to artificial boards is solved thoroughly, the main raw materials are renewable resources, and therefore the soybean-meal-based wood adhesive meets the environmental protection and sustainable development rule.

Description

technical field [0001] The invention relates to an adhesive and a preparation method thereof, in particular to a soybean meal-based wood adhesive and a preparation method thereof, belonging to the field of adhesives and the preparation thereof. Background technique [0002] With the improvement of people's living standards and the continuous and stable development of construction, decoration, packaging and other industries, the output of wood-based panels in my country has grown rapidly. In 2014, the total output of wood-based panels in my country was 302 million m 3 , accounting for more than 50% of the world's total output. Among them, the particle board is 17 million m 3 , a year-on-year increase of 13%; fiberboard 0.69 billion m 3 , a year-on-year increase of 16%; plywood 174 million m 3 , an increase of 7% year-on-year. The total output of wood-based panels, plywood, furniture, and wood flooring has ranked first in the world for many years in a row. [0003] The a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J189/00C09J11/04C09J11/08C09J11/06C08G8/04
CPCC08G8/04C08L2205/03C09J11/04C09J11/06C09J11/08C09J189/00C08L29/04C08L61/12C08K5/31C08L33/26C08K5/21C08L79/08C08K2003/262
Inventor 高强罗晶李建章陈惠张伟
Owner BEIJING FORESTRY UNIVERSITY
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