Catalysis; pyrolysis; deposit-free; uniformity

The invention relates to carbon fibrils characterized by a substantially constant diameter, length greater than about 5 times the diameter, an ordered oute...

HG Tennent，JJ Barber，R Hoch

Layered minerals and compositions comprising the same

Novel silicate minerals that have undergone a cation exhange with at least one heteroaromatic cation comprising a positively charged organo-substituted heteroatom and/or at least one positively charged heteroatom not part of an aromatic ...

T Takekoshi，FF Khouri，JR Campbell，... - US

Thermoplastic resin compositions comprising polyphenylene ether, polyolefins and dinitrodiamines

A thermoplastic resin composition which comprises 100 parts by weight of a composition comprising 95-5 % by weight of at least one polyolefinresin (A) selected from homopolymers of ethylene or &agr;- olefin or copolymers thereof and thes...

H Abe，T Fujii，M Yamamoto，... - US

Process for preparing fine carbon fibers in a gaseous phase reaction

A process of preparing carbon fibers in a floating state by reacting a mixed gas consisted of a gas of organic metal compound or compounds, a carrier gas and desirably a gas of carbon compound or compounds at the elevated temperature of ...

K Arakawa - US

Carbonization of hydrocarbons with transition metal catalyst

A carbon filament comprising carbon layers and having a carbon structure in which the carbon layers are arranged substantially in the form of growth rings ...

Y Komatsu，K Nakamura - US

Transition metal compound and hydrocarbon

An improved process for preparing carbon fibers in a gaseous phase reaction comprising introducing a gas mixture comprising at least one carbon compound, a...

K Arakawa，T Ohsaki - US

Modified block copolymer composition

A modified block copolymer composition comprising a thermoplastic polymer and a modified block copolymer consisting essentially of a base block copolymer of a monovinyl substituted aromatic hydrocarbon polymer block and an olefin compoun...

T Shiraki，F Hayano，H Morita - US

Thermoplastic resin composition

A thermoplastic resin composition which has good moldability and yields molded articles having well-balanced physical properties comprises (a) a polyphenylene ether resin or a resin composition containing a polyphenylene ether, (b) a mod...

F Motonobu，Maruyama Takashi - US

Crystallization, nucleation

In a preferred embodiment, graphite fibers are grown on a suitably nucleated ceramic surface by passing a methane gas stream over the surface at an elevate...

GG Tibbetts，MG Devour - US

Composition of a polyphenylene ether, a block copolymer of a vinyl aromatic compound and a conjugated diene and a polyolefin

There are provided compositions comprising a polyphenylene ether and a synergistic combination comprising an elastomeric block copolymer of a vinyl aromatic compound and a conjugated diene and a polyolefin resin, optionally containing a ...

Gim F. Lee Jr. - US