Idemitsu Kosan Company, Limited

Hajime Ito

Yasunari Okada

Hideki Yamane

Nobuaki Matsumoto

Shinji Tanaka

Disclosed is an adamantane derivative which provides a cured product excellent in optical characteristics such as transparency and light resistance, long-term heat resistance, electrical characteristics such as and dielectric constant, and low water absorption. Also disclosed are a resin composition containing the adamantane derivative, a sealing agent for electronic circuits, optical electronic member, semiconductor device and copper-clad laminate all using the resin composition, and a radiation-sensitive resin composition which contains the above-mentioned adamantane derivative as a crosslinking agent. Specifically disclosed are an adamantane derivative represented by the formula (I-1) below, a resin composition containing the adamantane derivative, a sealing agent for electronic circuits, optical electronic member, semiconductor device and copper-clad laminate, all using the resin composition, and a radiation-sensitive resin composition which contains the above-mentioned adamantane derivative as a crosslinking agent. 

Adamantane derivative, resin composition containing same, and optoelectronic member and sealing agent for electronic circuit using those

The present invention provides an adamantyl group containing epoxy-modified (meth)acrylate and a resin composition containing it which are imparted by transparency, optical characteristics such as (durable) light resistance and the like, heat-resistance, and good mechanical properties. For example, they are an adamantyl group containing epoxy-modified (meth)acrylate having the following general formula (I) and a composition containing it. In the formula, Rrepresents a hydrogen atom or a methyl group, and Rrepresents a halogen atom or an aliphatic hydrocarbon group which may contain a hetero atom. Plural Rmay be the same or different, and m represents an integer of 0 to 4 and n represents an integer of 0 or more. 

Adamantyl group-containing epoxy-modified (meth)acrylate and resin composition containing the same

An adamantane derivative of formula (I), a compound of formula (VII) or (VIII), compositions containing them, and optical electronic members using the resin compositions. In the formulas, W represents, for example, a hydrogen atom, X is bonded to a bridge-head adamantane carbon and represents, for example, a group of represented by the general formula (II), Y represents a group of formula (V) or (VI), Rrepresents a methyl group or an ethyl group, Rrepresents a Cto Chydrocarbon group which may contain O or S, m is an integer of 2 to 4, k is an integer of 0 to (16&#x2212;m) and p and q are each an integer of 1 to 5. 

Adamantane derivative, composition comprising the derivative, and optical and electronic member using the composition

Provided are an adamantane derivative characterized by having a structure represented by Formula (I) and a process for producing an adamantane derivative in which n is 0 in Formula (I) described above, wherein an adamantane compound is reacted with a nitrile compound and then with acid halide or acid anhydride of (meth)acrylic acids. The adamantane derivative characterized by having a structure represented by Formula (I) is a novel adamantane derivative which is useful as a monomer for functional resins such as a photosensitive resin in the photolithograpy field, and it can efficiently be produced by the production process described above 

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Chiba, Japan

Hajime Ito