JP2005239802A5

JP2005239802A5 -

Info

Publication number: JP2005239802A5
Application number: JP2004049122A
Authority: JP
Filing date: 2004-02-25
Publication date: 2007-05-17
Anticipated expiration: 2024-02-25

Description

すなわち本発明は
（１）樹脂（ａ）、平均粒子径が５ｎｍ以上１００ｎｍ以下でありアスペクト比が２〜２０の無機充填剤（ｂ）、アスペクト比が２０以上の繊維状の無機充填剤（ｃ）を必須成分としたプラスチック複合透明シートであって、樹脂（ａ）と無機充填剤（ｂ）の混合物を含む複合体の屈折率と、無機充填剤（ｃ）の屈折率の差が、０．０３以下であるプラスチック複合透明シート。
（２）樹脂（ａ）が硬化性樹脂であることを特徴とする（１）のプラスチック複合透明シート。
（３）波長５５０ｎｍにおける光線透過率が６０％以上である（１）、（２）記載の透明プラスチック複合透明シート。
（４）３０〜１５０℃の平均線膨張係数が２５ｐｐｍ以下である（１）〜（３）いずれか記載のプラスチック複合透明シート。
（５）基板表面の最大表面粗さが２００ｎｍ以下である（１）〜（４）記載のプラスチック複合透明シート。
（６）無機充填剤（ｂ）が、金属酸化物である（１）〜（５）記載のプラスチック複合透明シート。
である。 That is, the present invention relates to (1) a resin (a), an inorganic filler (b) having an average particle diameter of 5 nm to 100 nm and an aspect ratio of 2 to 20, and a fibrous inorganic filler (c) ) As an essential component, and the difference between the refractive index of the composite containing the mixture of resin (a) and inorganic filler (b) and the refractive index of inorganic filler (c) is 0.03 or less plastic composite transparent sheet.
(2) The plastic composite transparent sheet according to (1), wherein the resin (a) is a curable resin.
(3) The transparent plastic composite transparent sheet according to (1) or (2), wherein the light transmittance at a wavelength of 550 nm is 60% or more.
(4) The plastic composite transparent sheet according to any one of (1) to (3), wherein an average linear expansion coefficient at 30 to 150 ° C. is 25 ppm or less.
(5) The plastic composite transparent sheet according to any one of (1) to (4), wherein the maximum surface roughness of the substrate surface is 200 nm or less.
(6) The plastic composite transparent sheet according to any one of (1) to (5), wherein the inorganic filler (b) is a metal oxide.
It is.

Claims

Resin (a), plastic having an average particle diameter of 5 nm to 100 nm and an inorganic filler (b) having an aspect ratio of 2 to 20 and a fibrous inorganic filler (c) having an aspect ratio of 20 or more as essential components A plastic composite transparent sheet, wherein the difference between the refractive index of the composite containing the resin (a) and the inorganic filler (b) and the refractive index of the inorganic filler (c) is 0.03 or less. .

The plastic composite transparent sheet according to claim 1, wherein the resin (a) is a curable resin.

The transparent plastic composite transparent sheet according to claim 1 or 2, wherein the light transmittance at a wavelength of 550 nm is 60% or more.

The plastic composite transparent sheet according to any one of claims 1 to 3, wherein an average coefficient of linear expansion at 30 to 150 ° C is 25 ppm or less.

The plastic composite transparent sheet according to any one of claims 1 to 4, wherein the maximum surface roughness of the substrate surface is 200 nm or less.

The plastic composite transparent sheet according to any one of claims 1 to 5, wherein the inorganic filler (b) is a metal oxide.