Sumitomo Chemical Company, Limited

Fujikura Limited

Honda Motor Co., Ltd.

Takahiro Ishii

Hayato Kihara

Naotaka Kumakiri

Mikihito Kojima

Nobuhiro Koyota

Masashi Yoshifuku

Takashi Furukawa

Tetsuya Kawahira

Toyohiko Shindo

Tsutomu Terasaki

Shuji Yoshimi

Masayuki Fujita

Hiroshi Miyagi

Takayuki Imai

Toshifumi Nakajima

Kenji Atarashi

Toshio Ochiai

Nobutada Hyakutake

Nobuyuki Kohama

A thin, film-form seating switch able to detect whether an occupant sits on the seat or not, wherein, with a spacer () in-between, a film-form substrate () is disposed on one surface of the spacer and a film-form member () on the other surface, a first conductor () equipped with a first terminal () and a first electrode (A) conductive with this and a second conductor () equipped with a second terminal () and a second electrode (A) conductive with this are fixed to one surface of the film-form substrate, and a third conductor (A) for letting the first electrode conduct with the second electrode when an occupant is seated is fixed to the film-form member (). The above arrangement solves a conventional problem that it is troublesome to connect the connection terminals of wires or the like provided on a wiring harness or the like to respective terminals that are separately provided on a film-form substrate and a film-form member.

Seating detection switch

A rubber-modified styrenic resin composition comprising (A) 100 wt. parts of a rubber-modified styrenic resin which contains 10 to 35 wt. % of soft component particles having an average particle size of 0.1 to 0.5 &mgr;m, where said soft component particles have a single occlusion structure comprising a core part which consists of a single continuous phase of a styrenic resin and a shell part which comprises a rubber polymer and occludes said core part, and (B) 0.1 to 10 wt. parts of a polymer having a solubility parameter (SP) of 8.45 to 8.70 and having no aromatic vinyl compound unit therein. This composition has excellent plane impact strength and gloss properties, as well as moldability and other physical properties, and satisfies properties required for exterior materials, wrapping materials and molded foam articles.

Rubber-modified styrenic resin composition and molded article thereof

A film pressure sensitive resistor comprises conductive particles such as carbon black, a binder such as polyester resin, and spherical elastic particles having an average particle diameter of 2 &mgr;m to 50 &mgr;m, and further has average surface roughness of 0.1 &mgr;m to 3 &mgr;m, a peak-to-peak concavo-convex period of 10 &mgr;m to 1000 &mgr;m, and an elastic modulus of 800 MPa to 8000 MPa so as to have reliable quality, and excellent environmental resistance, and durability to repeated use (depressing).

Film pressure sensitive resistor and pressure sensitive sensor

A rubber-modified styrenic resin composition comprising (A) 100 wt. parts of a rubber-modified styrenic resin which contains 10 to 35 wt. % of soft component particles having an average particle size of 0.1 to 0.5 .mu.m, where said soft component particles have a single occlusion structure comprising a core part which consists of a single continuous phase of a styrenic resin and a shell part which comprises a rubber polymer and occludes said core part, and (B) 0.1 to 10 wt. parts of a polymer having a solubility parameter (SP) of 8.45 to 8.70 and having no aromatic vinyl compound unit therein. This composition has excellent plane impact strength and gloss properties as well as moldability and other physical properties, and satisfies properties required for exterior materials, wrapping materials and molded foam articles.

Rubber-modified styrenci resin composition and molded article thereof

There is provided a rubber-modified styrenic resin composition comprising a rubber-modified styrenic resin containing soft component particles of a salami structure and a polymer having a predetermined solubility parameter, which is much more improved in both of plane impact resistance and Izod impact resistance, while retaining a high level of other properties such as rigidity, gloss and moldability.

A rubber-modified styrenic resin composition comprising 100 parts by weight of a rubber-modified styrenic resin (A) having 10 to 40% by weight of the content of a soft component particle and a mean particle diameter of the said particle of 0.1 to 1.2 .mu.m, and 1 to 30 parts by weight of fine particles having a mean particle diameter of 0.1 to 5 .mu.m and not having a glass transition temperature between -130 to 90.degree. C. A rubber-modified styrenic resin composition having superior plane impact strength, rigidity and gloss, and its molded article are provided.

Rubber-modified styrenic resin composition and its molded article

There is provided a process for producing a styrene based polymer by polymerizing a styrene compound, the process including the step of continuously feeding a styrene compound and one or more sulfide compounds to a reaction zone. The sulfide compounds include dithiocarbamate group-containing sulfide compounds, aryl or arylalkyl group-containing sulfide compounds and thiazole group-containing sulfide compounds. The polymerization is carried out under stirring conditions to maintain the composition of the reaction mixture in the reaction zone uniform and at a predetermined conversion within a range of from 40 to 80% by weight. Polymerization reaction mixture is continuously removed from the reaction zone. The styrene based polymer produced is narrow in molecular weight distribution, and excellent in flowability, mechanical strength and heat resistance.

Process for producing styrene based polymer and molded articles

A styrene resin composition is disclosed which constitutes 45 to 92% by weight of a styrene resin (A), 5 to 45% by weight of an olefin resin other than an ethylene-unsaturated carboxylic acid ester copolymer(B), and 3 to 25% by weight of an ethylene-unsaturated carboxylic acid ester copolymer (C). The styrene resin composition of the present invention may be used to make a variety of shaped articles which exhibit excellent mechanical properties, such as an impact strength, elongation at break and resistance against chemicals such as Freon and oil.

Styrene resin composition and shaped article thereof

There is provided a process for producing a styrenic polymer having a weight average molecular weight (Mw) of 200,000-500,000, a number average molecular weight (Mn) of 100,000-450,000 and a molecular weight distribution (Mw/Mn) of from 1.1 to 2 by free radical polymerization. There is also provided a styrenic polymer, a styrenic resin composition comprising such polymer and a molded article comprising such composition. Said styrenic polymer and said resin composition have excellent flowability during molding and also excellent mechanical strength.

Process for producing styrenic polymer

A process for producing a styrenic polymer having a wide-spread molecular weight distribution, which comprises polymerizing a styrenic monomer or a styrenic monomer and a monomer copolymerizable with the styrenic monomer in the presence of 50 to 5000 ppm by weight of at least one compound selected from compounds having a dithiocarbamate group and sulfide compounds having at least one of an aryl group, an arylalkyl group and a thiazole group based on the total monomer to a final conversion of 40% by weight or more in the absence or presence of a radical initiator subjecting to a suspension polymerization, a batchwise bulk polymerization or a continuous bulk polymerization using a plug flow type polymerization reactor. According to the present invention, there can be provided a simplified process for preparing a styrenic polymer having a wide-spread molecular weight distribution.

Growing community of inventors

Chiba, Japan

Takahiro Ishii