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Distiller's grain-based reinforcing material for wood-based panels and distiller's grain-based formaldehyde-free glue prepared from it

A reinforcing material and distiller's grain-based technology, which is applied to the preparation of adhesives, animal glue or gelatin, and the types of adhesives, can solve the problems of increased production costs, high prices, and low bonding strength, and achieve easy preservation, rich sources, and Ease of preparation

Active Publication Date: 2016-02-24
武秀英
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, soybean bioglue has the disadvantages of expensive raw materials, low bonding strength, poor water resistance, and low anti-microbial degradation ability.
Although its performance has been improved through modification, it also increases the production cost
In addition, soybean bioglue has a high viscosity, and there are certain process adaptability problems in the wood-based panel production process; although the price of starch bioglue is lower than that of soybean bioglue, it has poor water resistance and cannot be applied to types I, II, and III. plywood

Method used

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  • Distiller's grain-based reinforcing material for wood-based panels and distiller's grain-based formaldehyde-free glue prepared from it
  • Distiller's grain-based reinforcing material for wood-based panels and distiller's grain-based formaldehyde-free glue prepared from it
  • Distiller's grain-based reinforcing material for wood-based panels and distiller's grain-based formaldehyde-free glue prepared from it

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Example 1 Preparation of distiller's grains-based reinforcing materials 1-6 for wood-based panels

[0017] ① Formula

[0018] The percentage by weight of each component of the distiller's grains-based reinforcing material for wood-based panels in the present invention is as follows: 50-90% of distiller's grains, 10-35% of inorganic materials, 1-20% of polymer water-resistant materials, and the weight percentages of the above-mentioned components The sum is 100%; the inorganic material is calcium compound and / or silicate, and the weight ratio of calcium compound to silicate is 1:0-4; the specific formula is shown in Table 1.

[0019] Table 1

[0020]

[0021] Note 1: The data in brackets is the weight percentage of this component in the distiller's grain-based reinforcing material.

[0022] Note 2: Dried whole distiller's grains DDGS, dried distiller's grains DDG, and dried distiller's grains solubles DDS are all by-products of corn starch fermentation to produce al...

Embodiment 2

[0025] Example 2 Preparation of distiller's grains-based formaldehyde-free glue

[0026] The distiller's grains-based formaldehyde-free glue of the present invention is prepared by stirring and mixing 20-50 wt % of distiller's grains-based reinforcing material for wood-based panels, 0.1-5 wt % of additives, and the balance of water; One or more of foaming agent, wet strength agent and curing agent.

[0027] ①Preparation of distiller's grains-based formaldehyde-free glue 1A~6A

[0028] Weigh 35 kg of distiller's grains-based reinforcing materials 1 to 6 prepared in Example 1, add them to 64.9 kg of water, stir in a shearing machine in the coating industry, and stir at a speed of 300 rpm for 1 hour, then add 0.1kg of silicone oil defoamer (brand FAG470, product of Union Carbide Corporation), stirred at a speed of 100 rpm for 1 hour and then left to stand to prepare distiller's grains-based formaldehyde-free glues 1A to 6A respectively

[0029] ②Preparation of distiller's grain...

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Abstract

The invention relates to a vinasse-based reinforced material for an artificial board and a vinasse-based non-formaldehyde adhesive prepared from the vinasse-based reinforced material. The vinasse-based reinforced material is a powdery product obtained by stirring, curing and smashing the following components by weight percent: 50% to 90% of vinasse, 10% to 35% of an inorganic material and 1% to 20% of a high-molecular waterproof material. The vinasse can be one or more of DDGS (Distillers Dried Grains With Soluble), DDG (Distillers Dried Grains) and DDS (Distillers Dried Soluble). The vinasse-based non-formaldehyde adhesive is prepared by stirring and mixing the following components by weight percent: 20% to 50% of the vinasse-based reinforced material, 0.1% to 5% of additive and the balance of water. The vinasse-based non-formaldehyde adhesive prepared from the vinasse-based reinforced material really realizes the purpose of non-formaldehyde release and can be used for overcoming the defects of high raw material cost, easy deterioration and poor water resistance of the existing biological adhesive. The bonding strength and the water resistance of the vinasse-based non-formaldehyde adhesive reach or excess those of the existing urea-formaldehyde adhesive and the existing phenol adhesive. Thus, the vinasse-based reinforced material can be used preparing various types of artificial boards.

Description

technical field [0001] The invention relates to a distiller's grain-based reinforcing material for wood-based panels and a distiller's grain-based formaldehyde-free glue prepared therefrom. Background technique [0002] Wood-based panels mainly include four categories: plywood, particleboard, blockboard and fiberboard. Except that the building formwork in plywood is made of phenolic glue, most of the rest are made of urea-formaldehyde glue or melamine-modified urea-formaldehyde glue. Therefore, the pollution of wood-based panels is mainly formaldehyde released by adhesives. In order to completely solve the problem of free formaldehyde pollution, it is necessary to develop new green formaldehyde-free adhesives with low cost and easy acceptance by consumers. At present, natural biological materials have been used to develop biological formaldehyde-free glue, such as soybean bioglue and starch bioglue. However, soybean bioglue has the disadvantages of expensive raw materials,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09J189/00C09J11/04C09J11/08
Inventor 赵晓斌
Owner 武秀英
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