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Reactive adhesive film system for gluing together non-polar surfaces

A reactive monomer, reactive technology, applied in the direction of adhesives, bonding methods, adhesive types, etc., can solve the problem of no improvement in adhesive properties, and achieve the effects of precise bonding, slip prevention, and easy handling

Pending Publication Date: 2018-03-27
TESA SE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, no improvement was observed in WO 2012 / 152715 A1 in terms of the adhesive properties of plasma-treated pressure-sensitive adhesives to non-polar substrates such as polyethylene or polypropylene

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0009] The present invention relates to a reactive adhesive film system comprising: at least one first reactive adhesive film (A) having (a) a polymeric film-forming matrix, (b) at least one reactive monomer or reactive resin, and (c) an initiator, especially a free radical initiator; and at least one second reactive adhesive film (B) having (a) a polymeric film-forming matrix, (b) at least one reactive monomer or reactive a resin, and (c) an activator; wherein the first and second reactive adhesive films each have an outer side and an inner side, and the inner side of the first reactive adhesive film is in contact or can come into contact with the inner side of the second reactive adhesive film; and Wherein at least the outer side of the first and / or second reactive adhesive film is treated with plasma. The plasma-treated outer side is intended to adhesively bond to a surface of a material, preferably a non-polar surface of a material such as polyethylene or polypropylene.

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PUM

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Abstract

The invention relates to a reactive adhesive film system comprising a first reactive adhesive film (A) and a second reactive adhesive film (B); the use of the reactive adhesive film system described herein to glue together materials having non-polar surfaces; composite articles comprising the reactive adhesive film system; and methods for producing the reactive adhesive film system. Also describedis a method for enhancing the adhesive properties of the reactive adhesive film system on non-polar substrates.

Description

technical field [0001] The present invention relates to: a reactive adhesive film system comprising a first reactive adhesive film (A) and a second reactive adhesive film (B); the reactive adhesive film system described herein is effective in bonding materials with non-polar surfaces Compositions comprising said reactive adhesive film system; and methods for producing said reactive adhesive film system. [0002] Methods for improving the adhesive properties of the reactive adhesive film system to non-polar substrates are also described. Background technique [0003] Two-component adhesive systems have long been known and are extensively described in the technical literature. In these systems, an adhesive system consisting of two components, usually two liquid (liquid) components, is applied to the parts to be bonded. However, such liquid systems are disadvantageous because their application often takes place in an unclean manner and they are not suitable for uneven surface...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J5/02C09J5/04C09J7/10
CPCC09J5/02C09J5/04C09J2433/00C09J2475/00C09J4/06C09J175/04C08L33/10C09J7/10C09J2301/302C09J7/38C09J7/40Y10T428/31536Y10T428/2848C09J7/405
Inventor E.克拉雷特S.迪策F.汉纳曼A.库普斯U.舒曼
Owner TESA SE