DISPERSION COMPOSITION, AND CURABLE COMPOSITION, TRANSPARENT FILM, MICROLENS AND SOLID-STATE IMAGING ELEMENT USING SAME
申请人:FUJIFILM Corporation
公开号:EP3135733A1
公开(公告)日:2017-03-01
Provided is a dispersion composition which has a high refractive index and has a high dispersion stability, a curable composition using the same, a transparent film, a microlens, and a solid-state imaging device.
The dispersion composition comprises:
colourless, white or transparent metal oxide particles (A) having a primary particle diameter of 1 nm to 100 nm and a refractive index of from 1.75 to 2.70,
a polymer compound (B) having an acid value of 120 mgKOH/g or more, which is represented by the following Formula (1), and
a solvent (C):
wherein:
R1 represents a (m+n)-valent linking group represented by any one of the following Formulae:
wherein:
L3 represents a trivalent group; T3 represents a single bond or a divalent linking group; and the three T3's may be same or different; L4 represents a tetravalent group; T4 represents a single bond or a divalent linking group, and the four T4's may be the same or different; L5 represents a pentavalent group; T5 represents a single bond or a divalent linking group, and the five T5's may be the same or different; L6 represents a hexavalent group; T6 represents a single bond or a divalent linking group, and the six T6's may be the same or different,
R2 represents a single bond or a divalent linking group,
A1 represents a monovalent substituent having at least one group selected from the group consisting of an acid group, a urea group, a urethane group, a group having a coordinating oxygen atom, a group having a basic nitrogen atom, a phenol group, an alkyl group, an aryl group, a group having an alkyleneoxy chain, an imide group, an alkyloxycarbonyl group, an alkyl amino carbonyl group, a carboxylate group, a sulfonamide group, a heterocyclic group, an alkoxysilyl group, an epoxy group, an isocyanate group, and a hydroxyl group,
n A1's and n R2's may be the same or different,
m represents a positive number of 8 or less, n represents 1 to 9, and m+n satisfies 3 to 10, and
P1 represents a polymer chain, and m P1,s may be the same or different.
本文提供了一种具有高折射率和高分散稳定性的分散组合物、一种使用该分散组合物的固化组合物、一种透明薄膜、一种微透镜和一种固态成像装置。
分散组合物包括
无色、白色或透明的金属氧化物颗粒(A),其主颗粒直径为 1 纳米至 100 纳米,折射率为 1.75 至 2.70、
酸值大于或等于 120 mgKOH/g 的聚合物化合物 (B),如下式 (1) 所示,以及
溶剂 (C):
其中
R1 代表(m+n)价连接基团,由下式中的任一种表示:
其中
L3 代表三价基团;T3 代表单键或二价连接基团,三个 T3 可以相同或不同; L4 代表四价基团;T4 代表单键或二价连接基团,四个 T4 可以相同或不同;L5 代表五价基团;T5 代表单键或二价连接基团,五个 T5 可以相同或不同; L6 代表六价基团;T6 代表单键或二价连接基团,六个 T6 可以相同或不同、
R2 代表单键或二价连接基团、
A1 代表单价取代基,该取代基至少有一个基团选自以下组别:酸基、脲基、氨基甲酸乙酯基、具有配位氧原子的基团、具有碱性氮原子的基团、酚基、烷基、芳基、醚基、醚烷基、醚醚烷基、醚醚烷基、醚醚烷基、醚醚烷基、醚醚烷基酰亚胺基、烷氧基羰基、烷基氨基羰基、羧酸基、磺酰胺基、杂环基、烷氧基硅基、环氧基、异氰酸酯基和羟基、
n 个 A1 和 n 个 R2 可以相同或不同、
m 代表 8 或以下的正数,n 代表 1 至 9,m+n 满足 3 至 10,以及
P1 代表聚合物链,m P1,s 可以相同或不同。