Method for producing a composition comprising a polyurethane with NCO end groups

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United States of America Patent

PATENT NO 11845830
APP PUB NO 20200308337A1
SERIAL NO

16768105

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Abstract

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The present invention relates to a method for producing a composition comprising at least one polyurethane with NCO end groups, and at least one catalyst B selected from among tertiary amines, said method comprising the following steps: a) production of a polyurethane with NCO end groups, comprising a step of polyaddition of a polyol composition and a polyisocyanate composition, in the presence of at least one catalyst A selected from the group consisting of—organo-metallic catalysts excluding tin-based catalysts, —tertiary amines, and—mixtures of same; and b) the addition of at least one catalyst B, selected from among tertiary amines, to the polyurethane with NCO end groups obtained in step a).

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Patent Owner(s)

Patent OwnerAddress
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE3 RUE MICHEL ANGE PARIS 75015
BOSTIK SA420 RUE D'ESTIENNE D'ORVES COLOMBES 92700
UNIVERSITE CLAUDE BERNARD LYON 143 BOULEVARD DU 11 NOVEMBRE 1918 LYON 69622
CPE LYON FORMATION CONTINUE ET RECHERCHE - CPE LYON FCRVILLEURBANNE FRANCE VILLEURBANNE RHONE

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bosco, Lionel Chateauneuf-le-Rouge, FR 3 0
Michaud, Guillaume Venette, FR 72 80
Monteil, Vincent Lyons, FR 16 93
Raynaud, Jean Villeurbanne, FR 10 0
Sanz, Federico Venette, FR 15 7
Simon, Frédéric Venette, FR 25 7

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