EXTRUSION COATING COMPOSITIONS

1348836 Polymer compositions EASTMAN KODAK CO 23 Sept 1971 [23 Sept 1970] 44346/71 Heading C3P A composition for extrusion coating of paper &c. comprises 1-60% by weight of polyethylene, 30-98À5% of crystalline polypropylene and/or a crystalline propylene-α-monoolefinic block copolymer containin...

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Bibliographische Detailangaben
Hauptverfasser:	DIAZ, JUAN C, MEARS, ROBERT A
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DYES FILLING PASTES IMPREGNATING OR COATING OF PAPER INKS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PRODUCTION OF CELLULOSE PULP COMPOSITIONS TEXTILES TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	1348836 Polymer compositions EASTMAN KODAK CO 23 Sept 1971 [23 Sept 1970] 44346/71 Heading C3P A composition for extrusion coating of paper &c. comprises 1-60% by weight of polyethylene, 30-98À5% of crystalline polypropylene and/or a crystalline propylene-α-monoolefinic block copolymer containing at least 80% of polymerized propylene and 0À5-10% of vinyl toluene-α-methyl styrene copolymer or a resin prepared by polymerization of a complex hydrocarbon mixture, DAC-B, obtained by thermal cracking of a natural gas stream containing mainly propane. Comparative examples wherein the vinyl toluene-α-methyl styrene or DAC-B resin is omitted or replaced by other resins are included.