Polyurethane composition having adjustable pot life and suitable as floor coating

Polyurethane composition having adjustable pot life and suitable as floor coating

The invention relates to a polyurethane composition comprising a first component A and a second component B. Said first component A comprises a polyol mixture P containing:-at least one polyol P1 having an average molar mass of 800 to 30,000 g/mol, which polyol P1 is a polyhydroxy-functional fat and...

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Hauptverfasser: PUZEL THOMAS, RIEDEL LUKAS, SALEWSKI CHRISTOPHER, GROTZINGER JOCHEN, FELLER MARTIN
Format: Patent
Sprache:chi ; eng
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CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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creator PUZEL THOMAS
RIEDEL LUKAS
SALEWSKI CHRISTOPHER
GROTZINGER JOCHEN
FELLER MARTIN
description The invention relates to a polyurethane composition comprising a first component A and a second component B. Said first component A comprises a polyol mixture P containing:-at least one polyol P1 having an average molar mass of 800 to 30,000 g/mol, which polyol P1 is a polyhydroxy-functional fat and/or a polyhydroxy-functional oil, or a polyol obtained by chemical modification of a natural fat and/or a natural oil; and preferably at least one polyol P2 selected from the group consisting of polyester polyols and polyether polyols. The second component B comprises at least one aliphatic polyisocyanate I, and the polyurethane composition further comprises at least one filler F. The polyurethane composition further comprises a tin catalyst K for the reaction of hydroxyl groups with isocyanate groups, which tin catalyst can form a thio-complex, and at least one compound T comprising at least one thiol group, wherein the molar ratio (T/K) of all thiol groups of the at least one compound T to all metal atoms of the
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subjects CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
title Polyurethane composition having adjustable pot life and suitable as floor coating
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