Anisotropic film and method for manufacturing anisotropic film

An anisotropic film, the technology of the manufacturing method, applied in the cable/conductor manufacturing, film/sheet adhesive, film/sheet without carrier, etc., can solve problems such as non-conduction

Pending Publication Date: 2020-05-29
SHIN ETSU CHEM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, the circuit electrodes are in contact with and connected to the conductive particles in a point-like manner, so there may be cases of non-conduction due to repeated low-temperature, high-temperature thermal shocks, etc.

Method used

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  • Anisotropic film and method for manufacturing anisotropic film
  • Anisotropic film and method for manufacturing anisotropic film
  • Anisotropic film and method for manufacturing anisotropic film

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0432] Hereinafter, the present invention will be described in more detail by showing synthesis examples, examples, and comparative examples, but the present invention is not limited to the following examples.

[0433] In the following examples, the weight average molecular weight is the weight average molecular weight measured by gel permeation chromatography (GPC) using polystyrene as a standard substance, and the gel permeation chromatography is measured under the following conditions. In addition, in the following synthesis examples, Me is a methyl group, Ph is a phenyl group, and Vi is a vinyl group.

[0434] [measurement conditions]

[0435] Developing solvent: tetrahydrofuran (THF)

[0436] Flow: 0.6mL / min

[0437] Detector: Differential Refractive Index Detector (RI)

[0438] Column: TSK Guardcolumn SuperH-L

[0439] TSKgel SuperH4000 (6.0mm I.D.×15cm×1)

[0440] TSKgel SuperH3000 (6.0mm I.D.×15cm×1)

[0441] TSKgel SuperH2000 (6.0mm I.D.×15cm×2)

[0442] (All m...

Synthetic example 1

[0447] Synthesis of alkenyl-containing organopolysiloxanes

[0448] 1142.1g (87.1mol%) of phenyltrichlorosilane, 529g (3.2mol%) of ClMe 2 SiO(Me 2 SiO) 33 SiMe 2 Cl, and 72.4g (9.7mol%) of dimethyl vinyl chlorosilane dissolved in toluene solvent, drop into water, carry out co-hydrolysis, and further neutralize by washing with water and alkali, after dehydration, remove the solvent by distillation under reduced pressure , to obtain a phenyl group-containing vinyl silicone resin A1 which is solid at 25°C and has a softening point of 45°C. The weight average molecular weight was 63,000. As a result of analyzing the obtained silicone resin A1, it was found to be a silicone resin represented by the following structural formula.

[0449] [chemical formula 14]

[0450]

[0451] In the above formula, the dimethylsiloxane unit means that it has a continuous block structure.

Synthetic example 2

[0453] Synthesis of Organohydrogenpolysiloxanes

[0454] 1142.1g (87.1mol%) of phenyltrichlorosilane, 529g (3.2mol%) of ClMe 2 SiO(Me 2 SiO) 33 SiMe 2 After the methyl dichlorosilane of Cl and 69g (9.7mol%) is dissolved in toluene solvent, drop into water, carry out co-hydrolysis, further carry out neutralization by water washing, alkali washing, after dehydration, underpressure distillation removes solvent, obtains at 25 A phenyl group-containing hydrogen silicone resin A2 that is solid at °C and has a softening point of 40 °C. The weight average molecular weight was 58,000. As a result of analyzing the obtained silicone resin A2, it was found to be a silicone resin represented by the following structural formula.

[0455] [chemical formula 15]

[0456]

[0457] In the above formula, the dimethylsiloxane unit means that it has a continuous block structure.

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Abstract

This is to provide an anisotropic electro-conductive film having high reliability, which electrically connects circuit electrodes having a fine pattern. Provided is an anisotropic film containing an insulating resin and particle groups, wherein the particle groups are groups of particles in which a plurality of particles are bound together with a binder, and the particle groups are regularly arranged with an interval of 1 mum to 1,000 mum.

Description

technical field [0001] The invention relates to an anisotropic film, in particular to an anisotropic conductive film. In addition, the present invention relates to a method for manufacturing an anisotropic film, in particular to a method for manufacturing an anisotropic conductive film. Background technique [0002] In recent years, anisotropic conductive film (ACF: Anisotropic Conductive Film) has been used instead of solder when connecting flat panel displays such as liquid crystal displays (LCD: Liquid Crystal Display) or electronic components of precision equipment. The anisotropic conductive film is made of an insulating resin containing conductive particles, is disposed between circuit electrodes, and can be crimped by applying pressure or heating to electrically connect the circuits. [0003] As a general method of producing an anisotropic conductive film, there is a method of mixing an insulating resin with conductive particles and applying them. In Patent Document...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J9/02C09J7/30C09J7/10H01B5/16H01B13/00
CPCC09J9/02C09J7/30C09J7/10H01B5/16H01B13/00C09J2203/326H01B1/22B29C43/003B29C43/021B29C43/18B29K2079/08B29K2505/00B29K2883/00B29L2031/3475B29K2509/00
Inventor 井口洋之盐原利夫柏木努
Owner SHIN ETSU CHEM CO LTD
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