Abstract:
THE PRESENT INVENTION PROVIDES A SILICON-CONTAINING CURABLE COMPOSITION WHICH CONTAINS: A SPECIFIC AMOUNT OF A SILICON-CONTAINING POLYMER THAT IS OBTAINED BY THE HYDROLYSIS-CONDENSATION OF AN ORGANOSILANE MIXTURE CONTAINING SPECIFIC AMOUNTS OF ORGANOSILOXANES REPRESENTED BY FORMULA (1-1) TO FORMULA (1-5) AND THAT HAS AN MW OF 300-100,000; A SPECIFIC AMOUNT OF A PREPOLYMER THAT IS OBTAINED BY HYDROSILYLATING A CYCLIC SILOXANE COMPOUND REPRESENTED BY FORMULA (2) AND A COMPOUND REPRESENTED BY FORMULA (3-1), (3-2) OR (3-3) AND THAT HAS TWO OR MORE SI-H GROUPS IN EACH MOLECULE; A SPECIFIC AMOUNT OF A LINEAR SILOXANE COMPOUND THAT HAS TWO OR MORE CARBON-CARBON DOUBLE BONDS, EACH OF WHICH IS REACTIVE WITH AN SI-H GROUP, IN EACH MOLECULE; A SPECIFIC AMOUNT OF AN ORGANIC PEROXIDE AND A SPECIFIC AMOUNT OF A METAL CATALYST; AND A SPECIFIC AMOUNT OF A FILLER. IN THIS CONNECTION, FORMULA (1-1) TO FORMULA (1-5), FORMULA (2), AND FORMULA (3-1) TO FORMULA (3-3) ARE AS SPECIFICALLY DEFINED IN THE DESCRIPTION.
Abstract:
A silicon-containing curing composition comprising a specific amount of a silicon-containing polymer having an Mw of 300 to 100,000 obtained by hydrolysis and condensation of an organosilane mixture containing specific amounts of organosiloxanes of formulae (1-1) through (1-5); a specific amount of a prepolymer containing at least two Si-H groups per molecule obtained by hydrosilylation between a cyclic siloxane compound of formula (2) and a compound of formula (3-1), (3-2), or (3-3); a specific amount of a linear siloxane compound containing more than one carbon-carbon double bond reactive with Si-H or Si-CH 3 per molecule; specific amounts of an organic peroxide and a metal catalyst; and a specific amount of a filler. The details for the formulae (1-1) to (1-5), (2), (3-1) to (3-3) are as described in the specification.
Abstract:
PROBLEM TO BE SOLVED: To provide a silicon-containing curable composition excellent in heat resistance, adhesion, coloring properties, and transparency and useful for electric/electronic materials. SOLUTION: The silicon-containing curable composition comprises: a prepolymer (A) containing two or more Si-H groups in one molecule thereof, which is obtained by subjecting one or more type(s) of a cyclic siloxane compound (α) represented by Formula (1) and one or more type(s) of a compound (β) represented by Formula (2) to a hydrosilylation reaction; a cyclic siloxane compound (B) containing two or more carbon-carbon double bonds having a reactivity with the Si-H group in one molecule thereof; a polysiloxane compound (C) different from both the prepolymer (A) and the cyclic siloxane compound (B); and a hydrosilylation catalyst (D) (wherein, in Formula (1), R 1 to R 3 each represent a 1-6C alkyl group or a phenyl group, a represents a number of 2 to 10, and b represents a number of 0 to 8, and in Formula (2), n represents 1 or 2). COPYRIGHT: (C)2011,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a photochromic material depositing no photochromic compound and causing little degradation in performance. SOLUTION: A photochromic organopolysiloxane compound comprises a component (A) and a component (B), and the components (A) and (B) exhibit crosslinking reactivity. The component (A) is photochromic organopolysiloxane having a group exhibiting photochromism. The component (B) is a siloxane compound. A photochromic organopolysiloxane crosslinked product prepared by crosslinking reaction of the photochromic organopolysiloxane composition is also provided. COPYRIGHT: (C)2011,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a composition for an optical recording medium capable of nondestructive readout using a photochromic substance, and capable of giving an optical recording medium and an optical switch having excellent performances such as a high rate of conversion to a colored body, a high response speed and high repetition durability, and to provide an optical recording medium and an optical switch using the composition. SOLUTION: The composition for an optical recording medium contains a matrix comprising a silicon-based resin and a substance showing photochromism. The optical recording medium and the optical switch have a recording layer comprising the composition for an optical recording medium. COPYRIGHT: (C)2008,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a removal agent for removing curable silicone resins even after prebaked. SOLUTION: The removal agent for curable silicone resins has a quaternary ammonium compound expressed by general formula (1) (R 1 ) 3 N + -R 2 -X - [wherein R 1 expresses a 1-4C hydrocarbon group which may be straight chain or branched chain, the same or different; R 2 expresses a 6-20C hydrocarbon group which may be straight chain or branched chain; X - expresses a monovalent anion (e.g., OH - , Cl - or the like)] as at least one effective ingredient. COPYRIGHT: (C)2007,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a pigment functional material improved in an optical amplification function and excellent in stability and durability. SOLUTION: This pigment functional material is obtained by intercalating the organic pigment with a deoxyribonucleic acid and/or deoxyribonucleic acid salt, and dispersing the intercalated pigment material in a polymer matrix. COPYRIGHT: (C)2009,JPO&INPIT