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Flexible inorganic fibres and battery electrode containing same
Abstracts of patents
US PA TENTS Process for production of glass filled thermoplastic pellets suitable for blending with thermoplastic Hall, N. T. (Liquid Nitrogen Processing Corp) US Pat 3 702 356 (7 No v 19 72) The process consists of coating a continuous glass roving with an extruded mixture of silane coupling agent and molten thermoplastic, solidifying the molten thermoplastic and pelletizing the solidifed material. The pellets may be blended with thermoplastic and moulded to yield a composite having high tensile strength. Removal of surface from boroncarbide composite armor Fine, R. A. (Norton Co) US Pat 3 702 593 (14 Nov 1972) The protective capability of composite armor panels is increased by removing material from the outermost layer or layers of the ceramic face plate to a thickness of 0.003- 0.050 in and then adhering this plate to a backing element. Method of improving the adhesion of a siliceous material and a polyolefin using a silane and a chlorinated organic compound Hartlein, R. C. (Dow Corning Corp) US Pat 3 702 794 (14 Nov 1972) Polyolefin resins eg polypropylene are strengthened by the incorporation of a siliceous reinforcing material which has a first coating of a silane coupling agent and a second coating of a chlorinated organic compound. Vitreous fibres bonded with a thermoset resin including two organo-silicon compounds Shannon, R. F. (Owens Corning Fiberglass Corp) US Pat 3 702 798 (14 Nov 1972) A vitreous fibre product in which a mass of intermeshed and felted glass fibres or other vitreous materials are bonded to one another at points of contact by a thermoset synthetic resinous m~terial which includes two specific and different organo silicon compounds.
188
Pyrolytic carbon fibre Ermolenko, 1. N. and Sviridova, R. N. (Institut Obschei i Neorganischeskoi khimiii Akademii) US Pat 3 702 832 (14 Nov 1972) Pyrolytic carbon fibre containing cation exchange acid residues such as sulphonic, carboxylic and phosphate groups are described, together with a method for production of these carbon fibres which comprises subjecting an organic fibrous material to pyrolysis, followed by sulphonating, oxidizing or phosphorylating the resultant pyrolytic fibre. Urea-functional organosilicon compounds Krahnka, R. H. (Dow Coming Corp) US Pat 3 702 860 (14Nov 1972) Urea-functional silanes and siloxanes are described which are useful as sizing agents for glass fibres and as additives in the preparation of crease resistant resins. Apparatus for manufacturing products composed of fibres agglomerated with synthetic resins Lamanche, J. and Buisson, G. (Compagnie de Saint-Gobain) US Pat 3 703 396 (21 Nov 1972) The production of running lengths of hardened compounds of fibres thoroughly impregnated with synthetic resin which may be cut into small fragmentary pieces is adapted to serve as a charge for moulding plastic bodies with fibre reinforcement. Flexible inorganic fibres and battery electrode containing same Arrance, F. C. (McDonnell Douglas Corp) US Pat 3 703 413 (21 Nov 1972) A method of producing strong inorganic fibres such as zinc oxide fibres by forming a mixture of inorganic particles with a plastic binder dissolved in a flash drying solvent, forming a slurry, and fibre forming from the mixture by spraying into a closed chamber, to flash off the solvent and leave the fibres, which may then be sintered.
Fibrous inorganic materials Hardy C. J. and Holdoway, M. J. (UKAEA) US Pat 3 704 147 (28 Nov 1972) Fibres of inorganic materials such as zirconia or aluminia are made by preparing a highly viscous but treacly sol of the material and spray drying the sol under conditions which favour the formation of fibres as distinct from rounded particles. Production of wood-plastics composite structures Yamaguchi, Y. and Nakayama, Y. (Mitsubishi Petrochemical Co) US Pat 3 704 161 (28 Nov 1972) At least one compound selected from ester and polyalkylene glycol compounds is dissolved in a vinyl monomer which is impregnated into a wood matrix and polymerised by irradiation with/3-rays to produce a wood-plastics composite free from cracks. Production of coated fibres and coating composition Smucker, C. A. (Owens Corning Fiberglass Corp) US Pat 3 704 199 (28 Nov 1972) Glass fibre thermal or acoustical insulating material is produced by depositing glass fibres with a binder, curing the binder and compressing the product to the desired apparent density. The binder is a phenolformaldehyde condensate using barium hydroxide as a condensing agent, which after condensation is converted to barium sulphate particles which are distributed throughout the binder in the final product giving it improved strength. Fibre reinforced resin grating (Sybron Corp) US Pat 3 704 561 (5 Dec 19 72) A grating consists of preformed fibre reinforced resin strips stacked in the positions of the intersecting bars of the grating and with the strips interleaving at the points of intersection, the reinforcement strips being embedded in a resin matrix.
COMPOSITES. JULY 1973
US PA TENTS Process for production of glass filled thermoplastic pellets suitable for blending with thermoplastic Hall, N. T. (Liquid Nitrogen Processing Corp) US Pat 3 702 356 (7 No v 19 72) The process consists of coating a continuous glass roving with an extruded mixture of silane coupling agent and molten thermoplastic, solidifying the molten thermoplastic and pelletizing the solidifed material. The pellets may be blended with thermoplastic and moulded to yield a composite having high tensile strength. Removal of surface from boroncarbide composite armor Fine, R. A. (Norton Co) US Pat 3 702 593 (14 Nov 1972) The protective capability of composite armor panels is increased by removing material from the outermost layer or layers of the ceramic face plate to a thickness of 0.003- 0.050 in and then adhering this plate to a backing element. Method of improving the adhesion of a siliceous material and a polyolefin using a silane and a chlorinated organic compound Hartlein, R. C. (Dow Corning Corp) US Pat 3 702 794 (14 Nov 1972) Polyolefin resins eg polypropylene are strengthened by the incorporation of a siliceous reinforcing material which has a first coating of a silane coupling agent and a second coating of a chlorinated organic compound. Vitreous fibres bonded with a thermoset resin including two organo-silicon compounds Shannon, R. F. (Owens Corning Fiberglass Corp) US Pat 3 702 798 (14 Nov 1972) A vitreous fibre product in which a mass of intermeshed and felted glass fibres or other vitreous materials are bonded to one another at points of contact by a thermoset synthetic resinous m~terial which includes two specific and different organo silicon compounds.
188
Pyrolytic carbon fibre Ermolenko, 1. N. and Sviridova, R. N. (Institut Obschei i Neorganischeskoi khimiii Akademii) US Pat 3 702 832 (14 Nov 1972) Pyrolytic carbon fibre containing cation exchange acid residues such as sulphonic, carboxylic and phosphate groups are described, together with a method for production of these carbon fibres which comprises subjecting an organic fibrous material to pyrolysis, followed by sulphonating, oxidizing or phosphorylating the resultant pyrolytic fibre. Urea-functional organosilicon compounds Krahnka, R. H. (Dow Coming Corp) US Pat 3 702 860 (14Nov 1972) Urea-functional silanes and siloxanes are described which are useful as sizing agents for glass fibres and as additives in the preparation of crease resistant resins. Apparatus for manufacturing products composed of fibres agglomerated with synthetic resins Lamanche, J. and Buisson, G. (Compagnie de Saint-Gobain) US Pat 3 703 396 (21 Nov 1972) The production of running lengths of hardened compounds of fibres thoroughly impregnated with synthetic resin which may be cut into small fragmentary pieces is adapted to serve as a charge for moulding plastic bodies with fibre reinforcement. Flexible inorganic fibres and battery electrode containing same Arrance, F. C. (McDonnell Douglas Corp) US Pat 3 703 413 (21 Nov 1972) A method of producing strong inorganic fibres such as zinc oxide fibres by forming a mixture of inorganic particles with a plastic binder dissolved in a flash drying solvent, forming a slurry, and fibre forming from the mixture by spraying into a closed chamber, to flash off the solvent and leave the fibres, which may then be sintered.
Fibrous inorganic materials Hardy C. J. and Holdoway, M. J. (UKAEA) US Pat 3 704 147 (28 Nov 1972) Fibres of inorganic materials such as zirconia or aluminia are made by preparing a highly viscous but treacly sol of the material and spray drying the sol under conditions which favour the formation of fibres as distinct from rounded particles. Production of wood-plastics composite structures Yamaguchi, Y. and Nakayama, Y. (Mitsubishi Petrochemical Co) US Pat 3 704 161 (28 Nov 1972) At least one compound selected from ester and polyalkylene glycol compounds is dissolved in a vinyl monomer which is impregnated into a wood matrix and polymerised by irradiation with/3-rays to produce a wood-plastics composite free from cracks. Production of coated fibres and coating composition Smucker, C. A. (Owens Corning Fiberglass Corp) US Pat 3 704 199 (28 Nov 1972) Glass fibre thermal or acoustical insulating material is produced by depositing glass fibres with a binder, curing the binder and compressing the product to the desired apparent density. The binder is a phenolformaldehyde condensate using barium hydroxide as a condensing agent, which after condensation is converted to barium sulphate particles which are distributed throughout the binder in the final product giving it improved strength. Fibre reinforced resin grating (Sybron Corp) US Pat 3 704 561 (5 Dec 19 72) A grating consists of preformed fibre reinforced resin strips stacked in the positions of the intersecting bars of the grating and with the strips interleaving at the points of intersection, the reinforcement strips being embedded in a resin matrix.
COMPOSITES. JULY 1973