JP2006233169A5

JP2006233169A5 -

Info

Publication number: JP2006233169A5
Application number: JP2005195696A
Authority: JP
Filing date: 2005-07-05
Publication date: 2010-08-26
Anticipated expiration: 2025-07-05

Description

本発明によれば、以下の硬化性組成物、その硬化物及び積層体を提供できる。
［１］有機溶剤を除く組成物全量を１００質量％として、
（Ａ）重合性不飽和基を有する有機化合物を結合させてなる金属酸化物粒子３０〜８０質量％、及び
（Ｂ）分子中に芳香環構造を有し、３個以上の（メタ）アクリロイル基を有するウレタン（メタ）アクリレート５〜５０質量％
を含有する硬化性組成物；
［２］前記（Ａ）成分の粒子中における有機化合物が、重合性不飽和基に加えて、下記式（１）に示す基を有する上記［１］に記載の硬化性組成物。

［式（１）中、Ｕは、ＮＨ、Ｏ（酸素原子）又はＳ（イオウ原子）を示し、Ｖは、Ｏ又はＳを示す。］；
［３］前記（Ａ）成分の粒子中における有機化合物が、分子内にシラノール基を有する化合物又は加水分解によってシラノール基を生成する化合物である上記［１］又は［２］に記載の硬化性組成物；
［４］前記（Ｂ）成分の（メタ）アクリロイル基１つ当たりの分子量が、４００以下である前記［１］〜［３］のいずれかに記載の硬化性組成物；
［５］前記（Ｂ）成分の分子中に芳香環構造を有し、３個以上の（メタ）アクリロイル基を有するウレタンアクリレートが、下記式（３）で示される化合物である上記［１］〜［４］のいずれかに記載の硬化性組成物；

［６］上記［１］〜［５］のいずれかに記載の硬化性組成物を硬化させてなる硬化層；
［７］透明基材上に上記［６］に記載の硬化層を有する積層体；及び
［８］透明基材、上記［６］に記載の硬化層及び低屈折率層をこの順に積層してなる反射防止膜。
According to the present invention, the following curable composition, cured product thereof, and laminate can be provided.
[1] The total amount of the composition excluding the organic solvent is 100% by mass,
(A) 30-80% by mass of metal oxide particles formed by bonding an organic compound having a polymerizable unsaturated group, and (B) three or more (meth) acryloyl groups having an aromatic ring structure in the molecule 5 to 50% by mass of urethane (meth) acrylate having
A curable composition comprising:
[2] The curable composition according to the above [1], wherein the organic compound in the particles of the component (A) has a group represented by the following formula (1) in addition to the polymerizable unsaturated group.

[In Formula (1), U represents NH, O (oxygen atom) or S (sulfur atom), and V represents O or S. ];
[3] The curable composition according to the above [1] or [2], wherein the organic compound in the particles of the component (A) is a compound having a silanol group in the molecule or a compound that generates a silanol group by hydrolysis. object;
[4] The curable composition according to any one of [1] to [3], wherein the molecular weight per (meth) acryloyl group of the component (B) is 400 or less;
[5] The above [1] to [3], wherein the urethane acrylate having an aromatic ring structure in the molecule of the component (B) and having 3 or more (meth) acryloyl groups is a compound represented by the following formula (3): [4] The curable composition according to any one of the above;

[6] A cured layer obtained by curing the curable composition according to any one of [1] to [5];
[7] A laminate having the cured layer according to [6] above on a transparent substrate; and [8] A transparent substrate, the cured layer according to [6] and a low refractive index layer are laminated in this order. Anti-reflective coating.

（Ｂ）成分として好ましい化合物としては、下記式（３）

で示される化合物（以下、「ＰＴＰ」という。）が挙げられる。 (B) As a compound preferable as a component, following formula (3)

(Hereinafter, referred to as “PTP”).

Claims

有機溶剤を除く組成物全量を１００質量％として、
（Ａ）重合性不飽和基を有する有機化合物を結合させてなる金属酸化物粒子３０〜８０質量％、及び
（Ｂ）分子中に芳香環構造を有し、３個以上の（メタ）アクリロイル基を有するウレタン（メタ）アクリレート５〜５０質量％
を含有する硬化性組成物。 The total amount of the composition excluding the organic solvent is 100% by mass,
(A) 30-80% by mass of metal oxide particles obtained by bonding an organic compound having a polymerizable unsaturated group, and (B) three or more (meth) acryloyl groups having an aromatic ring structure in the molecule 5 to 50% by mass of urethane (meth) acrylate having
A curable composition containing

前記（Ａ）成分の粒子中における有機化合物が、重合性不飽和基に加えて、下記式（１）に示す基を有する請求項１に記載の硬化性組成物。

［式（１）中、Ｕは、ＮＨ、（酸素原子）又はＳ（イオウ原子）を示し、Ｖは、Ｏ又はＳを示す。］ The curable composition of Claim 1 in which the organic compound in the particle | grains of the said (A) component has group shown to following formula (1) in addition to a polymerizable unsaturated group.

[In Formula (1), U represents NH, (oxygen atom) or S (sulfur atom), and V represents O or S. ]

前記（Ａ）成分の粒子中における有機化合物が、分子内にシラノール基を有する化合物又は加水分解によってシラノール基を生成する化合物である請求項１又は２に記載の硬化性組成物。 The curable composition according to claim 1 or 2, wherein the organic compound in the particles of the component (A) is a compound having a silanol group in the molecule or a compound that generates a silanol group by hydrolysis.

前記（Ｂ）成分の（メタ）アクリロイル基１つ当たりの分子量が、４００以下である請求項１又は２に記載の硬化性組成物。 The curable composition according to claim 1 or 2 , wherein the molecular weight per (meth) acryloyl group of the component (B) is 400 or less.

前記（Ｂ）成分の分子中に芳香環構造を有し、３個以上の（メタ）アクリロイル基を有するウレタンアクリレートが、下記式（３）で示される化合物である請求項１又は２に記載の硬化性組成物。

Wherein (B) has an aromatic ring structure in the molecule of the component, a urethane acrylate having three or more (meth) acryloyl group, according to claim 1 or 2 which is a compound represented by the following formula (3) Curable composition.

請求項１又は２に記載の硬化性組成物を硬化させてなる硬化層。 A cured layer obtained by curing the curable composition according to claim 1 .

透明基材上に請求項６に記載の硬化層を有する積層体。 A laminate having the cured layer according to claim 6 on a transparent substrate.

透明基材、請求項６に記載の硬化層及び低屈折率層をこの順に積層してなる反射防止膜。
An antireflection film obtained by laminating a transparent substrate, the cured layer according to claim 6 and a low refractive index layer in this order.