Abstract: A binder for use in batteries which is in the form of an aqueous or nonaqueous dispersion or a powder comprising core-shell composite fine particles 0.05 to 1 .mu.m in mean particle size and each having a core of a fibrillating polytetrafluoroethylene and a shell of a nonfibrillating polymer, the composite fine particles having a core-to-shell ratio by weight of 98:2 to 50:50, and electrode compositions and batteries incorporating the binder.

Abstract: The present invention relates to a PPS resin composition comprising a matrix of the PPS which is filled with a PTFE powder baked at a temperature not less than a melting point thereof and having a number-average molecular weight of not less than 1.5 million or PTFE fine particles having an average particle size of 0.05 to 1 .mu.m and comprising a fibrillating core portion of a high molecular weight PTFE with a number-average molecular weight of not less than 1.5 million and a non-fibrillating shell portion of a low molecular weight PTFE so that a content thereof is 40 to 80% by weight in the composition, and also relates to a process for preparing said PPS resin composition, which is characterized in that melting and kneading are carried out at a temperature from a temperature of not less than a melting point of PPS to a temperature of not more lower than a melting point of a high molecular weight PTFE.

Abstract: To provide a fluorine-containing olefin represented, for example, by CH.sub.2 .dbd.CFCF.sub.2 --R.sub.f.sup.6 --(CH.sub.2).sub.k --X.sup.2 ?wherein, X.sup.2 is --CH.sub.2 OH, ##STR1## or ##STR2## R.sub.f.sup.6 is a fluorine-substituted fluorine-containing alkyl group having 1 to 40 carbon atoms or --OR.sub.f.sup.7 -- (Rf.sup.7 is a fluorine-substituted fluorine-containing alkyl group having 1 to 40 carbon atoms or a fluorine-substituted fluorine-containing ether group having 3 to 50 carbon atoms), k is 0 or an integer of 1 to 6!; a fluorine-containing polymer with functional group which is prepared by polymerizing the above-mentioned olefin, has good affinity with various heat-resisting thermoplastic resins and is capable of forming homogeneous dispersion with the thermoplastic resin; and a thermoplastic resin composition comprising the above-mentioned fluorine-containing polymer with functional group and an aromatic polyester or the like as the heat-resisting thermoplastic resin.

Abstract: A resin composition for a sliding part comprising 5 to 45% by volume of a carbon fiber, 1 to 25 by volume of a metal powder and a remaining amount of a melt-processable fluorine-containing resin. A molded article made of the composition has a low friction coefficient having a narrow fluctuation range and has an excellent abrasion resistance to a soft metal.

Abstract: A composite microparticle of fluorine containing resin which is obtained by emulsion polymerization, having a core portion of a perfluoro resin which contains 80 to 100% by weight of TFE and 0 to 15% by weight of other copolymerizable fluorine containing olefin in a monomer composition, is crystalline and has a melting point of not lower than 250 C.; and a shell portion of vinylidene fluoride resin which contains 30 to 100 mole % of vinylidene fluoride and 0 to 70 mole % of other copolymerizable fluorine containing olefin (excluding hexafluoroisobutene), is crystalline and has a melting point of not lower than 70.degree. C.; the composite particle having a multilayer or gradient structure and an averaged particle size of 0.05 to 1.0 .mu.m, which is excellent in blending property with other resins or elastomers, and dispersibility in coating materials.

Abstract: A method of cooking edible foods by heating the foods on an electromagnetic cooker cover plate, formed by molding using a composition comprising a wholly aromatic, liquid crystalline polyester and a filler, said composition having a heat deformation temperature of not lower than 200.degree. C. at a load of 18.5 kg/cm.sup.2.

Abstract: A polyphenylene sulfide resin composition comprising 100 parts by weight of a polyphenylene sulfide resin and 0.5 to 50 parts by weight of a crosslinked fluorine-containing elastomer, which has improved impact resistance while keeping excellent properties of the polyphenylene sulfide resin.

Abstract: The invention is an improved platelet storage method and composition. Medium for the storage of platelets for transfusion comprising acetate or an acetate-like compound and phosphate is disclosed.

Abstract: A method for vaporizing an organometal compound and supplying the resulting vapor thereof to a crystal growth chamber which comprises the steps of heating an organometal compound to a predetermined temperature to obtain vapor of the compound at a predetermined vapor pressure and supplying, in a constant flow rate, the vapor to the surface of a substrate heated under a reduced pressure: an apparatus for vaporizing an organometal compound and supplying the resulting vapor thereof to a crystal growth chamber 11 comprising a first gas flow path for the vapor of the organometal compound which connects a container 20, in which the organometal compound is charged, to a crystal growth chamber heated under a reduced pressure through a first valve 21, a first massflow controller 22 and a second valve 23 in this order; and a constant temperature oven 24 and 25 for controlling the temperature of the container 20 and the first gas flow path extending from the container 20 to the second valve 23, are herein disclosed.

Abstract: The invention is an improved platelet storage method and composition. Medium for the storage of platelets for transfusion comprising acetate or an acetate-like compound and phosphate is disclosed.

Abstract: Colloidal polytetrafluoroethylene fine particles having an average particle size of 0.05 to 1.0 .mu.m and each comprising a core made of polytetrafluoroethylene which has a high molecular weight and can be fibrilled and a shell surrounding the core and made of a low molecular weight polytetrafluoroethylene which is not fibrilled, which has good dispersibility in water or an organic solvent and easily provides an organosol by a phase transfer method.

Abstract: An aqueous dispersion comprising composite colloidal particles having an average particle size of 0.05 to 1.0 micrometer each of which comprises a core made of a copolymer comprising 99-100% by weight of tetrafluoroethylene and 0 to 1% by weight of a fluorine-containing olefin which is copolymerizable with tetrafluoroethylene and a shell made of at least one thermoplastic polymer resin selected from the group consisting of ethylene/tetrafluoroethylene base copolymers, ethylene/chlorotrifluoroethylene base copolymers and vinylidene fluoride/hexafluoroisobutene base copolymers, from which composite fluorine-containing polymer particles having good dispersibility in other polymer are prepared and from which an organosol of the composite fluorine-containing polymer particles is formed.

Abstract: Modified PTFE fine powder which comprises colloidal particles of a copolymer comprising repeating units derived from tetrafluoroethylene and 0.02 to 0.3 % by weight, preferably 0.03 to 0.2% by weight of repeating units derived from at least one fluoroalkyl vinyl ether selected from compounds of the formula:X(CF.sub.2).sub.n OCF.dbd.CF.sub.2 (I)wherein X is a hydrogen, fluorine or chlorine atom and n is an integer of 1 to 6, andC.sub.3 F.sub.7 (OCF.sub.2 CF.sub.2 CF.sub.2).sub.m [OCF(CF.sub.3)CF.sub.2 ].sub.1 OCF.dbd.CF.sub.2 (II)wherein m and 1 are each an integer of 0 to 4 provided that at least one of them is not zero, which has a number average particle size of 0.05 to 0.6 .mu.m, wherein the copolymer has a specific melt viscosity of from 6.times.10.sup.10 to 30.times.10.sup.10 poise, preferably from 8.0.times.10.sup.10 to 25.times.10.sup.10 poise at 380.degree. C. and a standard specific gravity (SSG, hereinafter defined) of from 2.135 to 2.175, preferably from 2.140 to 2.

Abstract: A resin composition of wholly-aromatic thermotropic liquid crystal polyester resin containing 5 to 60% by weight of an inorganic filler selected from carbonates of alkaline earth metals, which is characterized in that the moisture content of the component materials to be fed to the melting step in preparation process of said composition is 0.1% by weight or lower. The resin composition and its formed articles are quite excellent in external appearance, thermal resistance, workability in plastics forming and especially in plating strength suitable for applying metal plating thereon.

Abstract: A first reproduction circuit reproduces a digital stereo audio signal from a signal which is read by means of a pickup from a disc loaded at a playback position, and a second reproduction circuit reproduces an analog audio signal from the signal read by the pickup. When the disc loaded at the playback position is identified as being a Laser vision Disc with Digital sound (LDD) disc, the stereo audio signal outputted from the first reproduction circuit is mixed with the analog audio signal outputted from the second reproduction circuit, such that a vocal portion of a reproduction can be reproduced together with an accompaniment portion of the reproduction, in a stereo mode.

Abstract: An aqueous dispersion comprising composite colloidal particles having an average particle size of 0.05 to 1.0 micrometer each of which comprises a core made of a copolymer comprising 99-100% by weight of tetrafluoroethylene and 0 to 1% by weight of a fluorine-containing olefin which is copolymerizable with tetrafluoroethylene and a shell made of at least one thermoplastic polymer resin selected from the group consisting of ethylene/tetrafluoroethylene base copolymers, ethylene/chlorotrifluoroethylene base copolymers and vinylidene fluoride/hexafluoroisobutene base copolymers, from which composite fluorine-containing polymer particles having good dispersibility in other polymer are prepared and from which an organosol of the composite fluorine-containing polymer particles is formed.

Abstract: Modified PTFE fine powder which comprises colloidal particles of a copolymer comprising repeating units derived from tetrafluoroethylene and 0.02 to 0.3% by weight, preferably 0.03 to 0.2% by weight of repeating units derived from at least one fluoroalkyl vinyl ether selected from compounds of the formula:X(CF.sub.2).sub.n OCF.dbd.CF.sub.2 (I)wherein X is a hydrogen, fluorine or chlorine atom and n is an integer of 1 to 6, andC.sub.3 F.sub.7 (OCF.sub.2 CF.sub.2 CF.sub.2).sub.m [OCF(CF.sub.3)CF.sub.2 ].sub.l OCF.dbd.CF.sub.2 (II)wherein m and l are each an integer of 0 to 4 provided that at least one of them is not zero, which has a number average particle size of 0.05 to 0.6 .mu.m, wherein the copolymer has a specific melt viscosity of from 6.times.10.sup.10 to 30.times.10.sup.10 poise, preferably from 8.0.times.10.sup.10 to 25.times.10.sup.10 poise at 380.degree. C. and a standard specific gravity (SSG, hereinafter defined) of from 2.135 to 2.175, preferably from 2.140 to 2.

Abstract: An aqueous dispersion comprising composite colloidal particles having an average particle size of 0.05 to 1.0 micrometer each of which comprises a core made of a copolymer comprising 99-100% by weight of tetrafluoroethylene and 0 to 1% by weight of a fluorine-containing olefin which is copolymerizable with tetrafluoroethylene and a shell made of a polymer having a glass transition temperature of at least 50.degree. C. which comprises(a) 60 to 100% by mole of at least one .alpha.-substituted acrylate of the formula:CH.sub.2 .dbd.CXCOOR.sub.f (I)wherein X is a methyl group, a fluorine atom or a trifluoromethyl group, and R.sub.

Abstract: An apparatus for vaporizing and supplying an organometal compound comprising a gas flow path for starting gas which connects a container filled with the organometal compound to a crystal growth chamber heated under reduced pressure through a main valve, a massflow controller for the starting gas and a valve for supplying the starting gas; and a flow path for a carrier gas which connects a carrier gas source to the discharge outlet of the valve for supplying the starting gas through a massflow controller for carrier gas and a heat exchanger. The container, the flow path for the starting gas and the flow path for the carrier gas are arranged in a constant temperature oven.

Abstract: In a flow rate control valve comprising a fixed core made of a magnetic material provided with a coil arranged on a circumference thereof, a movable core and a valve body made of a magnetic material moved by an attraction by a magnetic force of said fixed core or a release from said magnetic force to open and close a valve seat and a movable member composed of a supporting spring, the fixed core is provided with a flowing conduit passing through an opening formed in a surface opposite to said movable member and the movable member is provided with a passage guiding a fluid, so that the total quantity of fluid can be smoothly flown without staying a part of the fluid.