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Metal coated adhesive and preparation method thereof

A metal coating and adhesive technology, applied in the direction of adhesives, adhesive types, rosin adhesives, etc., can solve the problems of great harm, damage to the environment, and harm to the health of operators, and achieve high conversion rate and reduced toxicity. Effect

Inactive Publication Date: 2012-12-26
广东多正树脂科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Use polyurethane prepolymer as an active ingredient, which often contains free unreacted isocyanate monomers, which are very harmful to the human body and belong to highly toxic chemicals; As the main solvent, methyl chloride will damage the environment and endanger the health of operators during production and use

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Add 2g of acrylic acid, 8g of methyl methacrylate, 65g of dimethyl carbonate and 0.5g of dibenzoyl peroxide into the reactor for reaction, and control the temperature between 70-75°C. When the reaction reaches a certain level, slowly add 25g of butyl acrylate, raise the temperature and keep it between 75-80°C. After adding the materials within the specified time, add 5g of liquid rosin resin and 10g of Doher-6000-1, and mix well to obtain a metal cladding adhesive.

Embodiment 2

[0025] Add 2g of methacrylic acid, 8g of methyl acrylate, 55g of dimethyl carbonate, 10g of ethyl acetate and 0.3g of dibenzoyl peroxide into the reactor for reaction, and control the temperature between 70-75°C. When the reaction reaches a certain level, slowly add 20g of ethyl acrylate and 0.5g of azobisisobutyronitrile, raise the temperature and keep it between 75-80°C. After adding the materials within the specified time, add 5g of 300compound and 10g of Doher-601R, and mix well to obtain a metal cladding adhesive.

Embodiment 3

[0027] Add 5g of acrylonitrile, 15g of styrene, 55g of ethyl acetate, 10g of methyl acetate and 0.5g of azobisisoheptanonitrile into the reaction kettle for reaction, and control the temperature between 70-75°C. When the reaction reaches a certain level, slowly add 25g of myristyl acrylate and 0.5g of acetyl peroxide, raise the temperature and keep it between 75-80°C. After adding the materials within the specified time, add 5g of liquid petroleum resin, 5g of P50 / 300 and 5g of Doher-6200, and mix well to obtain a metal cladding adhesive.

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Abstract

The invention discloses a metal coated adhesive and a preparation method thereof, wherein the adhesive is characterized by comprising following materials: 30-45 parts of acrylate monomers, 55-65 parts of solvent, 0.3-1 parts of an initiator, 0-5 parts of modified resin, 0-5 parts of fumed silica and 0-10 parts of a flame retardant. The adhesive has the advantages of energy save, environment protection, low cost and excellent performance.

Description

technical field [0001] The invention relates to the technical field of production of packaging materials, decorative materials and building materials, in particular to a metal coating adhesive. Background technique [0002] At present, the more mature metal cladding adhesives on the market are foreign brands, and they occupy the vast majority of the market share. At the same time, most of these products use polyurethane prepolymer as an active ingredient and dichloromethane as a solvent. Use polyurethane prepolymer as an active ingredient, which often contains free unreacted isocyanate monomers, which are very harmful to the human body and belong to highly toxic chemicals; As the main solvent, methyl chloride will damage the environment and endanger the health of operators during production and use. Contents of the invention [0003] The object of the present invention is to provide a green and environment-friendly metal clad adhesive which is less harmful to human body ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J133/08C09J133/10C09J133/02C09J157/02C09J193/04C09J175/04C09J11/04
Inventor 许玉良曹国豪郑李华李树泉刘传刚曾广福白云立洪必贵
Owner 广东多正树脂科技有限公司
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