Idemitsu Kosan Company, Limited

Hideki Yamane

Yasunari Okada

Nobuaki Matsumoto

Hajime Ito

Tetsuya Saruwatari

Akio Kojima

Katsuki Ito

Nobuo Fujikawa

Adamantane derivatives are provided including a phenolic hydroxyl group-containing adamantane derivative, a glycidyloxy group-containing adamantane derivative, and an adamantyl group-containing epoxy modified acrylate, which exhibit excellent transparency, light resistance, and heat resistance properties. Also provided are resin compositions containing the adamantane derivatives. Further provided are corresponding methods for producing the adamantane derivatives, as well as the resin compositions containing the same.

Adamantane derivative, method for producing the same, and resin composition containing adamantane derivative

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

A method for producing an internal olefin by stably isomerizing an &#x3b1;-olefin by using an inexpensive zeolite catalyst while preventing an oligomerization reaction is provided. The method for producing an internal olefin comprises a step of isomerizing an &#x3b1;-olefin having from 16 to 18 carbon atoms by passing through a zeolite catalyst bed, wherein the &#x3b1;-olefin having from 16 to 18 carbon atoms is circulated through and brought into contact with the zeolite catalyst bed before starting the isomerization reaction.

Method for producing internal olefin, internal olefin mixture, and oil drilling fluid containing internal olefin mixture

Provided are a polymerizable group-containing and fluorine-containing adamantane derivative capable of affording a cured product having good heat resistance, good mechanical properties such as surface hardness and a low refractive index, a resin composition containing such a polymerizable group-containing adamantane derivative, and a fluorine-containing adamantane derivative which is useful as a reaction intermediate used for the production of the polymerizable group-containing and fluorine-containing adamantane derivative. Specifically provided are a fluorine-containing adamantane derivative represented by the general formula (I) below, a polymerizable group-containing and fluorine-containing adamantane derivative represented by the general formula (II) below, and a resin composition containing such a polymerizable group-containing and fluorine-containing adamantane derivative. In the formulas, Xand Xeach represent OH or NH, a, b and c each represent an integer of 0 or more and a+b+c&#x2267;1, for example a=b=0 and c=1, Zrepresents, for example, &#x2014;CH&#x2014;, s and t each represent an integer of 1 to 15, u represents an integer of 0 to 14, s+t+u=16, for example s=2, t=14, u=0, and Xrepresents, for example, &#x2014;O&#x2014;CO&#x2014;CH&#x2550;CH. 

Fluorine-containing adamantane derivative, fluorine-containing adamantane derivative having polymerizable group, and resin composition containing same

The present invention provides an internal olefin composition comprising a mixture of 60 to 80% by mass of an olefin having 16 carbon atoms and 40 to 20% by mass of an olefin having 18 carbon atoms wherein a content of an &#x3b1;-olefin in the mixture is 10% by mass or less, and a content of a branched olefin in the mixture is 10% by mass or less, which has a good biodegradability even when discharged into the environments, a less toxicity against marine organisms, etc., and a sufficient fluidity when used as a base oil for oil drilling, etc.

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Chiba, Japan

Hideki Yamane