FORMULATIONS FOR CELLULAR, FOAMED - POLYMER PRODUCTS BASED ON POLYVINYL CHLORIDE, IMPROVED CELLULAR, FOAMED-POLYMER PRODUCTS BASED ON POLYVINYL CHLORIDE AND A PROCESS FOR PRODUCING SAID IMPROVED CELLULAR FOAMED-POLYMER PRODUCTS

Formulation for cellular, foamed-polymer product based on polyvinyl chloride, comprising: a polyvinyl chloride homopolymer having a K-value of from 60 to 85 and a pH value of the aqueous extract ranging of from 8 to 12; at least one isocyanate selected from isomers and homologues of diphenylmethane-...

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Bibliographische Detailangaben
Hauptverfasser:	LAURI, LEONE, ANG, SAM SHEHYEE, BRESSAN, RAFFAELA, STIGSSON, JAN JERRY CHRISTIAN
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY CLADDING OR PLATING BY SOLDERING OR WELDING COMPOSITIONS BASED THEREON CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING GENERAL PROCESSES OF COMPOUNDING MACHINE TOOLS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS SOLDERING OR UNSOLDERING THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WELDING WORKING BY LASER BEAM WORKING-UP
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Beschreibung
Zusammenfassung:	Formulation for cellular, foamed-polymer product based on polyvinyl chloride, comprising: a polyvinyl chloride homopolymer having a K-value of from 60 to 85 and a pH value of the aqueous extract ranging of from 8 to 12; at least one isocyanate selected from isomers and homologues of diphenylmethane-4,4′-diisocyanate and modified diphenylmethane-4,4-diisocyanate s and mixtures thereof; at least one anhydride selected from the group of succinic anhydride, tetrahydrophthalic anhydride, hexahydrophthalic anhydride, methyl-tetrahydrophthalic anhydride, 4-methyl-hexahydrophthalic anhydride, cyclohexane-1,2-dicarboxylic anhydride, methyl-endomethylene tetrahydrophthalic anhydride, dodecenyl succinic anhydride, trimellitic anhydride and mixtures thereof; at least a surfactant; at least a foaming agent.