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Waterproof-level soy protein adhesive and preparation method thereof

A technology for soybean protein glue and soybean protein, which is applied in the preparation of protein adhesive, animal glue or gelatin, and adhesives, etc., can solve the problem that the adhesive is not waterproof, and achieve the effect of low cost and good water resistance.

Active Publication Date: 2015-04-08
浙江蓝歌新材料科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] The purpose of the present invention is to provide a waterproof grade soybean protein adhesive and its preparation method in order to solve the technical problem that the existing plywood adhesives are not waterproof

Method used

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  • Waterproof-level soy protein adhesive and preparation method thereof
  • Waterproof-level soy protein adhesive and preparation method thereof
  • Waterproof-level soy protein adhesive and preparation method thereof

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specific Embodiment approach 1

[0041] Specific embodiment 1: The waterproof grade soybean protein adhesive of this embodiment consists of 10-50 parts by weight of acid-heat treated soybean powder, 25-145 parts of soybean powder liquefied product and 9-50 parts of polyamide polyamine solution. Made by mixing at room temperature.

specific Embodiment approach 2

[0042] Embodiment 2: This embodiment differs from Embodiment 1 in that the soybean flour is defatted soybean flour or soybean meal after soybean oil extraction. Others are the same as in the first embodiment.

specific Embodiment approach 3

[0043] Embodiment 3: This embodiment differs from Embodiment 1 or Embodiment 2 in that the solid content of the soybean powder liquefied product is 20-40 wt%. Others are the same as those in the first or second embodiment.

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Abstract

The invention provides a waterproof-level soy protein adhesive and a preparation method thereof and relates to an adhesive and a preparation method thereof, in particular to a modified soyabean protein adhesive for waterproof-level plywood. The waterproof-level soy protein adhesive aims at solving the technical problem that an existing adhesive for plywood is not waterproof. The preparation method comprises the steps of beam flour acid heat treatment, beam flour liquidation, polyamide solution synthesis and adhesive modulation. Degreased beam flour or soya bean meal left after soybean oil expelling is used as a main raw material, the water resisting property of the beam flour and the solid content of the soy protein adhesive are improved through acid heat treatment, the cross-linking efficiency, cementing effect and process usability of the soy protein adhesive are improved through liquidation, the water resisting property of the soy protein adhesive is improved through cross-linking of polyamide polyamine resin, and finally the soy protein adhesive high in beam flour content, low in viscosity, long in working life and good in water resisting property and used for the waterproof-level plywood is prepared. The waterproof-level soy protein adhesive and the preparation method belong to the field of adhesive preparation.

Description

technical field [0001] The invention relates to an adhesive and a preparation method thereof, in particular to a modified soybean protein adhesive for waterproof plywood. Background technique [0002] Adhesives are the blood of my country's wood-based panel industry. As the largest country in the world for wood-based panel production, consumption and import and export trade, China's wood-based panel output in 2013 has exceeded 272 million cubic meters, of which plywood output reached 157 million cubic meters. Adhesives used in plywood production are more than 6.5 million tons per year in terms of solid content. The main types of adhesives are urea-formaldehyde resin adhesives, melamine-modified urea-formaldehyde resins and phenolic resins. Urea-formaldehyde resin adhesive accounts for more than 80%. [0003] Since the production of plywood in my country mainly uses urea-formaldehyde resin as an adhesive, plywood products generally have a certain amount of formaldehyde rele...

Claims

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Application Information

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IPC IPC(8): C09J189/00C09J177/06C08G69/48
Inventor 高振华范铂张雷鹏张跃宏
Owner 浙江蓝歌新材料科技有限公司
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