C08L47/00

Rubber Composition for Tires and Pneumatic Tire
20170283518 · 2017-10-05 ·

A rubber composition for tires of the present technology contains a diene rubber, silica, and a predetermined alkyltrialkoxysilane; the diene rubber containing a butadiene rubber and a particular conjugated diene rubber, a content of the butadiene rubber in the diene rubber being 20 mass % or greater and a content of the particular conjugated diene rubber in the diene rubber being from 30 to 80 mass %; an average glass transition temperature of the diene rubber being from −65 to −45° C.; the particular conjugated diene rubber being a conjugated diene rubber produced by a particular production method and having predetermined ranges of aromatic vinyl unit content, vinyl bond content, and weight average molecular weight.

Rubber Composition for Tires and Pneumatic Tire
20170283518 · 2017-10-05 ·

A rubber composition for tires of the present technology contains a diene rubber, silica, and a predetermined alkyltrialkoxysilane; the diene rubber containing a butadiene rubber and a particular conjugated diene rubber, a content of the butadiene rubber in the diene rubber being 20 mass % or greater and a content of the particular conjugated diene rubber in the diene rubber being from 30 to 80 mass %; an average glass transition temperature of the diene rubber being from −65 to −45° C.; the particular conjugated diene rubber being a conjugated diene rubber produced by a particular production method and having predetermined ranges of aromatic vinyl unit content, vinyl bond content, and weight average molecular weight.

Resin composition for laser direct structuring, resin-molded article, and method for manufacturing molded article with plated layer

Provided is a resin composition excellent in mechanical strength while maintaining LDS activity. The resin composition for laser direct structuring comprises, relative to 100 parts by weight of a polycarbonate resin component, 10 to 100 parts by weight of a glass filler and 1 to 30 parts by weight of a laser direct structuring additive, wherein the polycarbonate resin component consists of 80 to 30% by weight of a polycarbonate resin and 20 to 70% by weight of a styrene-based resin, or consists of a polycarbonate; and the laser direct structuring additive comprises antimony and tin.

Resin composition for laser direct structuring, resin-molded article, and method for manufacturing molded article with plated layer

Provided is a resin composition excellent in mechanical strength while maintaining LDS activity. The resin composition for laser direct structuring comprises, relative to 100 parts by weight of a polycarbonate resin component, 10 to 100 parts by weight of a glass filler and 1 to 30 parts by weight of a laser direct structuring additive, wherein the polycarbonate resin component consists of 80 to 30% by weight of a polycarbonate resin and 20 to 70% by weight of a styrene-based resin, or consists of a polycarbonate; and the laser direct structuring additive comprises antimony and tin.

Vulcanized polymer blends

A heterogeneous vulcanized polymer blend comprising a continuous phase comprising a thermoplastic polypropylene having a crystallinity of at least 30% and a dispersed phase comprising particles of an elastomeric copolymer dispersed in the continuous phase and having an average particle size of less than 5 micron. The elastomeric copolymer has a crystallinity of less than 20% and is at least partially cross-linked such that no more than about 80 wt % of the elastomeric copolymer is extractable in cyclohexane at 23° C.

Vulcanized polymer blends

A heterogeneous vulcanized polymer blend comprising a continuous phase comprising a thermoplastic polypropylene having a crystallinity of at least 30% and a dispersed phase comprising particles of an elastomeric copolymer dispersed in the continuous phase and having an average particle size of less than 5 micron. The elastomeric copolymer has a crystallinity of less than 20% and is at least partially cross-linked such that no more than about 80 wt % of the elastomeric copolymer is extractable in cyclohexane at 23° C.

Solid-rocket Propellants

Solid-fuel rocket propellants comprising an oxidizer, an oxophilic metal-halophilic metal formulation, and a binder are described herein. Further described are processes for preparing such propellants and methods of reducing hydrogen chloride production via the combustion of such propellants. Non-limiting examples of such formulations include aluminum-lithium alloys.

TREAD RUBBER COMPOSITION AND PNEUMATIC TIRE
20220033625 · 2022-02-03 · ·

Provided are a tread rubber composition which provides a balanced improvement in wet grip performance and resistance to low-temperature brittleness, and a pneumatic tire including a tread at least partially containing the rubber composition. The present invention relates to a tread rubber composition containing a styrene-butadiene rubber and having a tan δ peak temperature of −10° C. or higher and a brittleness temperature of −40° C. or lower.

TREAD RUBBER COMPOSITION AND PNEUMATIC TIRE
20220033625 · 2022-02-03 · ·

Provided are a tread rubber composition which provides a balanced improvement in wet grip performance and resistance to low-temperature brittleness, and a pneumatic tire including a tread at least partially containing the rubber composition. The present invention relates to a tread rubber composition containing a styrene-butadiene rubber and having a tan δ peak temperature of −10° C. or higher and a brittleness temperature of −40° C. or lower.

Thermoplastic resin composition and molding form for same

The thermoplastic resin composition of the present invention comprises: (A) a rubber-modified aromatic vinyl-based graft copolymer resin; (B) a polyester resin; (C) a maleimide-based polymer; (D) a copolymer resin of a modified aromatic vinyl compound-cyanide vinyl compound comprising a functional group which can react with a polyester; and (E) an aromatic vinyl-based resin copolymerized with an alkyl(meth)acrylate, wherein the aromatic vinyl-based resin copolymerized with the alkyl(meth)acrylate (E) is included in the composition at approximately 6 to 12 percent by weight.