Dow Toray Co., Ltd.

Dow Corning Toray Company, Ltd.

Dow Corning Corporation

Riken Corporation

Dow Silicones Corporation

Kouichi Ozaki

Toru Imaizumi

Ryosuke Yamazaki

Haruhiko Furukawa

Toyohiko Fujisawa

Takuya Ogawa

Peter Cheshire Hupfield

Kent R Larson

Keiji Wakita

Eiji Kitaura

Wataru Nishiumi

Hong Sub Kim

Toshihiro Tanaka

Yusuke Nakamura

Makoto Yoshitake

Masayuki Onishi

Toshio Saruyama

Dorab Edul Bhagwagar

Hiroshi Fukui

Kazuhiro Nishijima

Manabu Sutoh

Akihiro Nakamura

Son Thanh Phan

Masatsugu Hori

Masayuki Hayashi

Aritoshi Iida

Toshiki Nakata

Takaki Aoyama

Provided is a curable silicone composition and applications thereof. The curable silicone composition has hot-melt properties, excellent workability, and curing characteristics such as overmolding, and a cured product obtained therefrom does not become hard or brittle, even if left at a temperature of 150° C. or higher for a long time. The curable silicone composition comprises: an organopolysiloxane resin component which is non-hot-meltable, comprises a siloxane unit represented by SiOmaking up at least 20 mol % or more of the total siloxane units, and has a mass loss of 2.0 mass % or less when exposed to 200° C. for 1 hour; a liquid straight-chain or branched chain organopolysiloxane; and a curing agent.

Curable silicone composition, cured product of same, and method for manufacturing same

Provided is a curable silicone composition and applications thereof. The curable silicone composition has superior hot-melt properties and moldability, where the flexibility, toughness, and stress relief properties of a cured product obtained therefrom are not impaired even if a large amount of functional inorganic filler is blended in. The curable silicone composition comprises an organopolysiloxane resin component with a weight average molecular weight in a range of 2,000 to 15,000 and that contains a siloxane unit represented by SiOmaking up at least 20 mol % or more of the total siloxane units, and one or more functional fillers. The silicone resin component comprises a curing reactive functional group containing a carbon-carbon double bond, and of that curing reactive functional group, 0.05 to 1.50 mol vinyl (CH2═CH—) group is contained per 100 g of the silicone component. The curable silicone composition generally has hot-melt properties as a whole.

Curable silicone composition, cured product of same and method for producing same

Provided is: a curing reactive silicone composition having sufficient toughness and pressure sensitive adhesive strength to temporarily secure various substrate even in an uncured state, having heat meltability and excellent moldability of a sheet or the like, and that can be quickly cured by high energy irradiation to achieve high adhesive strength; a method of manufacturing a sheet thereof a cured product thereof that can achieve high adhesive strength by crimping; and applications thereof. The curing reactive silicone composition comprises: (A) an MQ resin; (B) a chain organopolysiloxane having at least two groups containing an aliphatic unsaturated carbon-carbon bond, and a degree of siloxane polymerization within a range of 80 to 3000; (C) an organohydrogenpolysiloxane; and (D) a hydrosilylation reaction catalyst activated by a high energy beam. The amount of component (A) is more than 55 mass % and less than 90 mass % of the sum of components (A) to (C).

Curable reactive silicone composition, cured product thereof and uses of composition and cured product

Provided herein is: a method of efficiently manufacturing a curable silicone sheet with excellent flatness and uniformity, containing a curable particulate silicone composition with excellent handling/workability and curing properties; and a method of manufacturing a laminate body containing the curable silicone sheet. A method of manufacturing a curable silicone sheet having hot melt properties, comprises the following steps: 1) a step of mixing organopolysiloxane resin fine particles, a curing agent, and a functional filler; 2) a step of kneading while heating and melting the mixture obtained in step 1); 3) a step of laminating the heated and melted mixture obtained in step 2) between films provided with at least one release surface; and 4) a step of stretching the laminate body obtained in step 3) between rollers to mold a curable silicone sheet having a specific film thickness.

Method for producing curable silicone sheet having hot melt properties

A curable hot-melt silicone composition that is less susceptible to curing inhibition and with excellent storage stability, and a sheet or film containing the same, is provided. The composition comprises: (A) a solid organopolysiloxane resin containing a specific ratio of (A1) an organopolysiloxane resin having a curing reactive functional group that contains a carbon-carbon double bond and containing 20 mol % or more of a Q unit, and (A2) an organopolysiloxane resin not having a curing reactive functional group that contains a carbon-carbon double bond and containing 20 mol % or more of a Q unit; (B) a chain organopolysiloxane having a curing reactive functional group that contains at least two carbon-carbon double bonds; (C) an organohydrogenpolysiloxane resin having a mass loss ratio relative to pre-exposure of 10% or less after exposure to 100° C. for 1 hour under atmospheric pressure; and (D) a hydrosilylation reaction catalyst. The composition generally has hot-melt properties.

Curable hot-melt silicone composition, cured material thereof, and laminate containing curable hot-melt silicone composition or cured material thereof

Provided is a curable granular silicone composition which has hot-melt properties, is excellent in terms of handleability and curability in overmolding and the like, and gives cured objects and the like highly inhibited from taking a color at high temperatures. The curable granular silicone composition comprises: (A) organopolysiloxane resin fine particles which do not have hot-melt properties and have a curing-reactive functional group containing a carbon-carbon double bond and in which siloxane units represented by RSiO(where R is a monovalent organic group) or SiOaccount for at least 20 mol % of all the siloxane units; (B) a liquid, linear or branched organopolysiloxane having, in the molecule, at least two curing-reactive functional groups containing a carbon-carbon double bond; (C) a hardener; and (D) a functional filler. The composition as a whole has hot-melt properties. Uses of the curable granular silicone composition are also disclosed.

Curable granular silicone composition, cured object obtained therefrom, and production method therefor

The present invention provides a curable organopolysiloxane composition capable of producing a cured article that can be used as a transducer and provided with excellent mechanical characteristics and/or electrical characteristics. The present invention also relates to a novel curable organopolysiloxane composition for transducer use comprising a curable organopolysiloxane composition, dielectric inorganic fine particles having a specific dielectric constant of greater than or equal to 10, and fine particles having a specific dielectric constant of less than 10.

Curable organopolysiloxane composition for transducers and applications of such curable silicone composition for transducers

The present invention provides a curable organopolysiloxane composition capable of producing a cured article that can be used as a transducer and provided with excellent mechanical characteristics and/or electrical characteristics. The present invention also relates to a novel curable organopolysiloxane composition for transducer use comprising a curable organopolysiloxane composition and a compound having a highly dielectric functional group.

The present invention relates to microparticles comprising: at least one type of a platinum-based catalyst; and a thermoplastic polyolefin resin with a Z-average (Mz) of a weight average molecular weight (Mw) of at least 2500 and Mz/Mw of not more than 2.0, wherein the platinum-based catalyst is dispersed in the thermoplastic polyolefin resin. The microparticles make it possible to obtain a one-component curable organopolysiloxane composition having characteristics such as excellent storage stability.

Microparticles and curable organopolysiloxane composition containing the same

It is an object of the present invention to provide a method for determining inflammatory diseases including myocardial infarction as a typical example, which involves identifying polymorphisms associated with myocardial infarction and using the gene polymorphisms, an oligonucleotide that can be used for the method, a kit for diagnosing inflammatory diseases, a therapeutic agent for inflammatory diseases, and the like. The present invention provides a method for determining an inflammatory disease, which comprises detecting at least one type of gene polymorphism existing in a proteasome subunit &#x3b1; type 6 gene.

Method for determining inflammatory disease

A display device having a surface with light-emitting regions and non-light-emitting regions, wherein the aforementioned light-emitting regions and non-light-emitting regions are subjected to simultaneous surface treatment selected from: (1) brush treatment; (2) blast treatment; or (3) combined brush and blast treatment, whereby after the aforementioned treatment the surfaces of the light-emitting regions have a 60&#xb0;-mirror-surface glossiness according to JIS Z 8741 exceeding 20%, while the surfaces of the non-light-emitting regions have a 60&#xb0;-mirror-surface glossiness according to JIS Z 8741 not exceeding 20%, has good visibility of images reproduced by the display, which is especially suitable for outdoor application.

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Ichihara, Japan

Kouichi Ozaki