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Adhesive composition, adhesive film and surface protection film

A composition and adhesive technology, applied in the direction of adhesives, adhesive types, conductive adhesives, etc., can solve the problems of difficult peeling, poor re-peelability, and difficult sticking, so as to prevent the phenomenon of adhesive residue and excellent Effect of Antistatic Properties

Active Publication Date: 2017-11-17
FUJIMORI KOGYO CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when it is used for the surface protection of a plastic plate with a low surface tension and a smooth surface, etc., there are problems such as peeling phenomena such as separation due to heating during processing or storage, and problems in the field of manual handling. Poor re-peelability when peeling at high speed
[0022] Generally, if the adhesive layer is soft, adhesive residues tend to occur and reworkability tends to decrease
That is, it is difficult to peel off after a wrong fit, and it is difficult to reattach

Method used

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  • Adhesive composition, adhesive film and surface protection film
  • Adhesive composition, adhesive film and surface protection film
  • Adhesive composition, adhesive film and surface protection film

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0122] Nitrogen gas was introduced into a reaction apparatus equipped with a stirrer, a thermometer, a reflux condenser, and a nitrogen introduction pipe, thereby replacing the air in the reaction apparatus with nitrogen. Then, added 80 parts by weight of 2-ethylhexyl acrylate, 10 parts by weight of isotetradecyl acrylate, 8.5 parts by weight of 8-hydroxyoctyl acrylate, acrylic acid of 1.5 parts by weight in the reaction device, and At the same time, 60 parts by weight of solvent (ethyl acetate) was added. Then, after 2 hours, 0.1 parts by weight of azobisisobutyronitrile as a polymerization initiator was dripped and reacted at 65° C. for 6 hours to obtain the ( Meth)acrylic polymer solution 1. A part of the (meth)acrylic polymer was taken and used as a sample for acid value measurement described later.

Embodiment 2～6 and comparative example 1～3

[0124] Except that the composition of each monomer was adjusted as described in (A) to (D) in Tables 1 and 2, it was carried out in the same manner as the above-mentioned (meth)acrylic polymer solution 1 used in Example 1. , (meth)acrylic polymer solutions used in Examples 2 to 6 and Comparative Examples 1 to 3 were obtained.

[0125] In addition, in Table 1 and Table 2, (A) is an alkyl (meth)acrylate having an alkyl group having 4 to 10 carbon atoms, and (B) is an alkyl group having 14 to 18 carbon atoms. Alkyl (meth)acrylate, (C) is a hydroxyl group-containing copolymerizable monomer, and (D) is a carboxyl group-containing copolymerizable monomer.

[0126] Table 1

[0127]

[0128]

[0129] [Example 1]

[0130] To the (meth)acrylic polymer solution 1 of Example 1 produced as described above, 2.0 parts by weight of 1-octylpyridinium dodecylbenzenesulfonate, 0.1 part by weight of After stirring the polyether-modified siloxane compound (weight-average molecular weight M...

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Abstract

The present invention provides an adhesive that has excellent antistatic properties, excellent balance of adhesive force at peeling speeds in low-speed and high-speed regions, excellent durability and reworkability, and can prevent defects such as indentations caused by external stress combination. The binder composition contains 100 parts by weight of a (meth)acrylic polymer with an acid value of 0.01 to 8.0 and 0.1 to 5 parts by weight of part of crosslinking agent, the (meth)acrylic polymer consists of 55 to 97.5 parts by weight of alkyl (meth)acrylate having an alkyl group with 4 to 10 carbon atoms, 1 to 30 parts by weight of Alkyl (meth)acrylate with an alkyl group of 14 to 18, 0.1 to 15 parts by weight of a hydroxyl-containing copolymerizable monomer and 0.1 to 2 parts by weight of a carboxyl group-containing copolymerizable monomer are copolymerized; the antistatic agent has a melting point Ionic compounds at 30-50°C.

Description

technical field [0001] The present invention relates to an adhesive composition having antistatic properties, an adhesive film in which an adhesive layer having antistatic properties is formed on at least one side of a resin film using the adhesive composition, and surface protection membrane. [0002] Moreover, this invention relates to the surface protection film used in the manufacturing process of a liquid crystal display. More specifically, the present invention relates to a device for protecting optical components such as polarizing plates, retardation plates, and antireflection films by sticking on the surface of optical components such as polarizing plates, retardation plates, and antireflection films constituting a liquid crystal display. Adhesive composition for a surface protective film on the surface, and a surface protective film using the adhesive composition. Background technique [0003] Conventionally, in the manufacturing process of optical components suc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09J133/08C09J11/06C09J11/08C09J7/02G02B5/30G02B1/14
CPCG02B5/30C09J9/02C09J133/06C08F220/18C08F220/20C08F2810/20C09J7/30C09J11/08C08L83/12C09J11/06C08K5/0025C08K5/29
Inventor 长仓毅岛口龙介长谷川良
Owner FUJIMORI KOGYO CO LTD
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