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Flame-resistant composite member

A flame retardant composite and component technology, applied in vehicle parts, lighting device parts, synthetic resin layered products, etc., can solve the problems of low incombustibility, low flexibility, insufficient incombustibility of light diffusing sheets, etc. Achieve the effect of excellent flame retardancy, improved strength, and high flame retardancy

Inactive Publication Date: 2016-02-10
NITTO DENKO CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, conventional covers obtained by applying an inorganic coating agent to a glass fiber sheet or impregnating the sheet with the agent have a problem that when the binder of the agent contains an organic component, the Low non-flammability of the cover
However, each of these light-diffusing sheets has insufficient incombustibility and low flexibility

Method used

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Examples

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Embodiment

[0170] Hereinafter, the present invention will be described more specifically by way of examples and comparative examples. However, the present invention is by no means limited to these. It should be noted that in the following description, "parts" and "%" are by weight unless otherwise specified.

Synthetic example 1

[0172] 50 g of a colloidal silicon oxide solution (trade name: SNOWTEXOS, manufactured by Nissan Chemical Industries, Ltd., solid content concentration: 20%) and 84 g of 2-propanol with an average particle diameter of 8 nm to 11 nm were charged into a device including a stirrer, a reflux condenser, and nitrogen gas into the container of the tube. Concentrated nitric acid was added to adjust the acidity (pH) of the resulting liquid to be in the range of 2-4. Next, the temperature of the mixture was raised to 70° C., and then, using a dropping funnel, 25 g of a silsesquioxane compound having a reactive methoxysilyl group at a molecular terminal ( Trade name: X-40-9225, manufactured by Shin-Etsu Chemical Co., Ltd., methoxyl content: 24%) and the prepared liquid was added dropwise to the mixture over 1.25 hours to carry out the silsesquioxide The reaction of alkanes with the surface of colloidal silica particles.

[0173] Next, a liquid prepared by dissolving 75 g of a polysilox...

Synthetic example 2

[0175] 50 g of a colloidal silicon oxide solution (trade name: SNOWTEXOS, manufactured by Nissan Chemical Industries, Ltd., solid content concentration: 20%) and 84 g of 2-propanol with an average particle diameter of 8 nm to 11 nm were charged into a device including a stirrer, a reflux condenser, and nitrogen gas into the container of the tube. Concentrated nitric acid was added to adjust the acidity (pH) of the resulting liquid to be in the range of 2-4. Next, the temperature of the mixture was raised to 70° C., and then, using a dropping funnel, 10 g of a silsesquioxane compound having a reactive methoxysilyl group at a molecular terminal ( Trade name: X-40-9225, manufactured by Shin-Etsu Chemical Co., Ltd., methoxyl content: 24%) and the prepared liquid was added dropwise to the mixture over 0.5 hours to carry out the silsesquioxide The reaction between alkanes and the surface of colloidal silica particles.

[0176] Next, a liquid prepared by dissolving 90 g of a polysi...

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Abstract

Provided is a flame-resistant composite member exhibiting extremely high flame resistance even when having a flammable base material. This flame-resistant composite member has a coating formed from a silicone resin composition (C) including at least an inorganic oxide particle-containing condensation-reactive silicone resin upon at least one surface of a plastic base material containing an inorganic compound.

Description

technical field [0001] The present invention relates to a flame-retardant composite part, and more particularly to a flame-retardant composite part including a coating film formed of a specific silicone resin composition on at least one surface of a specific substrate. The invention also relates to a lighting device using the flame-retardant composite part. Background technique [0002] Hitherto, halogen-based flame retardants have been widely used as flame retardants for flame-retardant coating compositions (for example, see Patent Document 1). However, in terms of environmental protection, the method cannot be said to be preferable because it involves a problem of generation of dioxin or chlorofluorocarbon from the halogen-based flame retardant. In addition, inorganic flame retardants such as aluminum hydroxide have been used as flame retardants for making coating compositions flame retardant. However, aluminum hydroxide involves a problem that aluminum hydroxide degrade...

Claims

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Application Information

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IPC IPC(8): B32B27/00B32B27/20B32B27/36C08J7/04C08K3/20C08L83/04C09D5/18C09D183/04F21V3/04C08J7/043C08J7/046C08J7/05
CPCB32B27/20C09D5/18C09D183/06C08G77/14C08L83/06C08K3/22C08J2483/04B32B27/08B32B27/283B32B27/365B32B2262/101B32B2264/102B32B2307/3065B32B2605/003C09D7/62C08J7/0427C08J7/05C08J7/043C08J7/046
Inventor 杉野裕介长崎国夫樋田贵文仲山雄介
Owner NITTO DENKO CORP
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