摘要:
The present invention relates to a novel fluorine-containing diaminobenzene derivative having a perfluoroalkyl group and to a novel fluorine-containing polyimide which is produced from the said diaminobenzene as a starting material and to a novel polyimide having both a fluorine-containing group and/or a siloxane chain in the side chain thereof, the polyimide being produced from the said fluorine-containing diaminobenzene and fluorine-containing polyimide and to a liquid crystal-aligning agent with an elevated tilt angle, which contains a polyimide having a fluorine-containing group and a siloxane chain.
摘要:
The present invention relates to a novel fluorine-containing diaminobenzene derivative having a perfluoroalkyl group and to a novel fluorine-containing polyimide which is produced from the said diaminobenzene as a starting material and to a novel polyimide having both a fluorine-containing group and/or a siloxane chain in the side chain thereof, the polyimide being produced from the said fluorine-containing diaminobenzene and fluorine-containing polyimide and to a liquid crystal-aligning agent with an elevated tilt angle, which contains a polyimide having a fluorine-containing group and a siloxane chain.
摘要:
A pentadiene compound of the formula: wherein each of R₁, R₂, R₃ and R₄ is a C₁-C₄ alkyl group or a substituted or unsubstituted aryl or aralkyl group, R₅ is an alkyl group, and X is a hydrogen atom, a C₁-C₄ alkyl group, a C₁-C₄ alkoxy group or a halogen atom.
摘要:
An ether compound represented by the following formula (I), its production and insecticidal compositions containing it as an active ingredient: wherein R 1 , represents a halogen atom or a methyl group; R 2 represents a hydrogen atom or a fluorine atom; R 3 represents a hydrogen atom, a halogen atom or a methyl group; R 4 represents a (C 1 -C 3 )alkyl group; Y represents an oxygen atom, a sulfur atom, a methylene group or -NH-; and Z represents a nitrogen atom or -CH = .