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Antistatic surface protective film

A surface protection film and antistatic technology, applied in the direction of film/sheet release liner, film/sheet adhesive, adhesive type, etc., to achieve production efficiency, excellent anti-stripping static performance, no The effect of deteriorating anti-peeling electrostatic performance

Active Publication Date: 2018-11-23
FUJIMORI KOGYO CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the current situation, it is difficult to solve this problem in the conventionally proposed surface protection film using an adhesive layer containing an antistatic agent.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0159] 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, 100 parts by weight of 2-ethylhexyl acrylate, 5.0 parts by weight of 8-hydroxyoctyl acrylate, and 60 parts by weight of a solvent (ethyl acetate) were added to the reaction device. Then, 0.1 part by weight of azobisisobutyronitrile as a polymerization initiator was dropped over 2 hours, and reacted at a temperature of 65°C for 6 hours to obtain the acrylic copolymer solution of Example 1 with a weight average molecular weight of 500,000. To this acrylic copolymer solution, 8.5 parts by weight of acetylacetone was added and stirred, and then 2.0 parts by weight of Coronate HX (Coronate HX, an isocyanurate of a hexamethylene diisocyanate compound), 0.1 parts by weight of titanium triacetylacetonate, and and stirring and mixing to obtain the binder composi...

Embodiment 2～6 and comparative example 1～3

[0161] Except that each composition of the adhesive composition of Example 1 was adjusted as described in Table 1 and Table 2, the same operation was carried out as in Example 1, and the adhesives of Examples 2-6 and Comparative Examples 1-3 were obtained. binder composition. In Table 1 and Table 2, the monomers contained (copolymerized) in the acrylic copolymer are (A), (B), (C), (G) and "carboxyl group-containing monomer".

[0162] Table 1

[0163]

[0164] Table 2

[0165]

(E)

(F)

(G)

(H)

antistatic agent

Example 1

Titanium Chelate (0.1)

AA(8.5)

-

-

-

Example 2

Iron chelate (0.05)

AA(4.0)

G-1(5)

H-1(0.1)

-

Example 3

Titanium chelate (0.03)

AA(3.0)

G-2(10)

-

-

Example 4

Titanium chelate (0.03)

AA(2.5)

G-3(5)

H-2(0.1)

-

Example 5

Iron chelate (0.03)

AA(5.0)

G-5(10)

H-3(0.05)

-

Example 6

Iron chelate (0.04)

EtAcAc(2...

Embodiment 2～6

[0182] Except that each adhesive composition of Example 1 is set as the adhesive composition of Examples 2 to 6, the same operation is carried out as in Example 1, and the antistatic surface protection of Examples 2 to 6 is obtained. membrane.

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Abstract

The invention provides an antistatic surface protection film that has little contamination of an adherend and that has superior peeling antistatic performance which does not deteriorate over time. Theantistatic surface protection film is made by, in order: a step of forming, on one surface of a base film (1) including a transparent resin, an adhesive layer (2) including an adhesive composition, which includes an acrylic-based polymer of a copolymer, and which further contains (D) a bifunctional or higher isocyanate compound, (E) a cross-linking promoting agent, (F) a keto-enol tautomer compound; a step of attaching a peeling film (5), which has a release agent layer (4) containing an antistatic agent laminated on one surface of a resin film (3), on a surface of the adhesive layer (2) viathe release agent layer (4), wherein the release agent layer (4) is formed by a resin composition including: a release agent having dimethylpolysiloxane as the main component; a polysiloxane compoundthat is a liquid at 20 DEG C; and an antistatic agent, wherein the peeling charge pressure of the adhesive layer (2) is + / -0.6 kV or less.

Description

[0001] This invention is a divisional application with the application number 201510053597.0, the application date is February 02, 2015, and the invention name is "antistatic surface protection film". This application is based on the patent application JP2014- Priority is claimed on the basis of No. 101328. technical field [0002] The invention relates to an adhesive composition and a surface protection film. Specifically, it relates to an antistatic surface protection film having antistatic properties. More specifically, the present invention provides a method for producing an antistatic surface protection film that is less polluting to an adherend, does not deteriorate over time, and has excellent anti-peeling static performance, and an antistatic surface protection film. Background technique [0003] At present, when manufacturing and transporting optical films such as polarizing plates, retardation plates, lens films for displays, anti-reflection films, hard coat films...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J7/30C09J7/25C09J7/40C09J133/08C09J11/06
CPCB32B7/02B32B7/12B32B27/06B32B2307/21B32B2551/00C08F220/10G02B1/10
Inventor 长仓毅长谷川良小林弘幸春日充新见洋人
Owner FUJIMORI KOGYO CO LTD
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