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Two pack type curable polyorganosiloxane composition and use of same

A polyorganosiloxane, curing technology, used in other home appliances, applications, layered products, etc., can solve the problem of difficult to see the display screen, etc., to achieve the effect of excellent curing

Inactive Publication Date: 2015-03-04
MOMENTIVE PERFORMANCE MATERIALS JAPAN LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since there is an air layer between the screen and the display device, there is a problem that it is difficult to see the display screen due to the reflection of external light

Method used

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  • Two pack type curable polyorganosiloxane composition and use of same
  • Two pack type curable polyorganosiloxane composition and use of same
  • Two pack type curable polyorganosiloxane composition and use of same

Examples

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Embodiment

[0144] Next, examples and comparative examples are given to describe the present invention in more detail. However, the present invention is not limited by these Examples.

[0145] By manually mixing and kneading each component with the composition shown in Table 1 - Table 6, the two-component type composition which consists of a 1st component and a 2nd component of an Example and a comparative example was prepared.

[0146] Each component used is as follows.

[0147] A1: Polymethylvinylsiloxane (viscosity at 23°C: 82,000 cP) in which both ends are blocked with dimethylvinylsiloxane units and the intermediate unit is composed of dimethylvinylsiloxane units

[0148] A2: Polymethylvinylsiloxane (viscosity at 23°C: 420 cP) in which both ends are blocked with dimethylvinylsiloxane units and the middle unit is composed of dimethylvinylsiloxane units

[0149] A3: Polymethylvinylsiloxane (viscosity at 23°C: 110 cP) in which both ends are blocked with dimethylvinylsiloxane units and...

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Abstract

To provide: a two pack type curable polyorganosiloxane composition having excellent fast curing properties; and a method for producing a bonded body using this two pack type curable polyorganosiloxane composition. A two pack type curable polyorganosiloxane composition which contains (A) an alkenyl group-containing polyorganosiloxane that contains two or more alkenyl groups in each molecule, (B) a polyorganohydrogen siloxane that contains two or more hydrogen atoms, each of which is bonded to a silicon atom, in each molecule, and (C) a platinum system catalyst. The ratio of the number (HB) of hydrogen atoms bonded to silicon atoms in component (B) to the number (ViA) of alkenyl groups in component (A) is 0.5-10.0, and component (C) is contained in an amount of 0.5-2,000 ppm in terms of platinum system metal atoms. This two pack type curable polyorganosiloxane composition is composed of a first component pack and a second component pack; and the first component pack contains components (A) and (C), while the second component pack contains component (B).

Description

technical field [0001] The present invention relates to a curable polyorganosiloxane composition and a method for producing an adhesive using the composition. Background technique [0002] In a display device such as a mobile phone including a display component such as a liquid crystal module, a screen made of glass or resin is provided on the front surface of the display device for the purpose of protecting the display device and improving design. However, since there is an air layer between the screen and the display device, there is a problem that it is difficult to see the display screen due to reflection of external light. Therefore, the air layer is bonded with a transparent adhesive or the like that matches the refractive index of the screen. As the adhesive used here, an ultraviolet curing type is generally used, and it is applied to one side of opposing members to be bonded, and after the members are bonded together, it is cured by ultraviolet rays. [0003] In re...

Claims

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Application Information

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IPC IPC(8): C08L83/07C08K3/00C08L83/05C09J183/05C09J183/07
CPCC09J183/14C08G77/20C08L83/04C08G77/12C09J183/04C09J5/04C09J2483/00C08K5/56C08L83/00B32B37/12C09J183/06C09J2483/003B32B2457/20B32B2305/72
Inventor 榊原诚小野和久松下荘树大皷弘二
Owner MOMENTIVE PERFORMANCE MATERIALS JAPAN LLC
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