TWO-COMPONENT POLYURETHANE ELASTOMER COATING FOR CORROSION AND WEATHERING PROTECTION
The present invention relates to a two-component composition suitable for providing a coating preparation from which a cured layer can be obtained in order to protect the surface of materials against the detrimental impact of weathering and/or corrosion. The two-component composition comprises a fir...
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Format | Patent |
Language | English French |
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19.11.2020
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Abstract | The present invention relates to a two-component composition suitable for providing a coating preparation from which a cured layer can be obtained in order to protect the surface of materials against the detrimental impact of weathering and/or corrosion. The two-component composition comprises a first component C1 comprising (a) a polyolefin having a polymer backbone consisting of (a-i) repeating units derived from an olefinically unsaturated monomer having 4 carbon atoms and, optionally, (a-ii) a hydrocarbon group L having 5-20 carbon atoms in a non-terminal position of said polymer backbone, wherein said polymer backbone has functional groups selected from hydroxyl groups and amine groups at its chain ends; and (C2) a second component comprising a preparation comprising (b1) a polyisocyanate having 2 or more isocyanate groups and/or (b2) a reaction product having isocyanate groups obtained by reacting said polyisocyanate having 2 or more isocyanate groups (b1) and (b2a) a polyolefin having a polymer backbone consisting of (b2a-i) repeating units derived from an olefinically unsaturated monomer having 4 carbon atoms and, optionally, (b2a-ii) a hydrocarbon group having 5-20 carbon atoms in a non-terminal position of said polymer backbone, wherein said polymer chain has functional groups selected from hydroxyl groups and amine groups at its chain ends.
La présente invention concerne une composition à deux constituants appropriée pour fournir une préparation de revêtement à partir de laquelle une couche durcie peut être obtenue afin de protéger la surface de matériaux contre l'impact préjudiciable des intempéries et/ou de la corrosion. La composition à deux constituants comprend un premier constituant C1 comprenant (a) une polyoléfine ayant un squelette polymère constitué (a-i) de motifs de répétition dérivés d'un monomère à insaturation oléfinique ayant 4 atomes de carbone et, éventuellement, (a-ii) d'un groupe hydrocarboné L ayant de 5 à 20 atomes de carbone dans une position non terminale dudit squelette polymère, ledit squelette polymère ayant des groupes fonctionnels choisis parmi des groupes hydroxyle et des groupes amine au niveau de ses extrémités de chaîne ; et (C2) un second constituant comprenant une préparation comprenant (b1) un polyisocyanate ayant 2 groupes isocyanate ou plus et/ou (b2) un produit de réaction ayant des groupes isocyanate obtenus par réaction dudit polyisocyanate à 2 groupes isocyanate ou plus (b1) et (b2a) une polyoléfine ayant un squelette polymère constitué (b2a-i) de motifs de répétition dérivés d'un monomère à insaturation oléfinique ayant 4 atomes de carbone et, éventuellement, (b2a-ii) d'un groupe hydrocarboné ayant de 5 à 20 atomes de carbone dans une position non terminale dudit squelette polymère, ladite chaîne polymère ayant des groupes fonctionnels choisis parmi des groupes hydroxyle et des groupes amine au niveau de ses extrémités de chaîne. |
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AbstractList | The present invention relates to a two-component composition suitable for providing a coating preparation from which a cured layer can be obtained in order to protect the surface of materials against the detrimental impact of weathering and/or corrosion. The two-component composition comprises a first component C1 comprising (a) a polyolefin having a polymer backbone consisting of (a-i) repeating units derived from an olefinically unsaturated monomer having 4 carbon atoms and, optionally, (a-ii) a hydrocarbon group L having 5-20 carbon atoms in a non-terminal position of said polymer backbone, wherein said polymer backbone has functional groups selected from hydroxyl groups and amine groups at its chain ends; and (C2) a second component comprising a preparation comprising (b1) a polyisocyanate having 2 or more isocyanate groups and/or (b2) a reaction product having isocyanate groups obtained by reacting said polyisocyanate having 2 or more isocyanate groups (b1) and (b2a) a polyolefin having a polymer backbone consisting of (b2a-i) repeating units derived from an olefinically unsaturated monomer having 4 carbon atoms and, optionally, (b2a-ii) a hydrocarbon group having 5-20 carbon atoms in a non-terminal position of said polymer backbone, wherein said polymer chain has functional groups selected from hydroxyl groups and amine groups at its chain ends.
La présente invention concerne une composition à deux constituants appropriée pour fournir une préparation de revêtement à partir de laquelle une couche durcie peut être obtenue afin de protéger la surface de matériaux contre l'impact préjudiciable des intempéries et/ou de la corrosion. La composition à deux constituants comprend un premier constituant C1 comprenant (a) une polyoléfine ayant un squelette polymère constitué (a-i) de motifs de répétition dérivés d'un monomère à insaturation oléfinique ayant 4 atomes de carbone et, éventuellement, (a-ii) d'un groupe hydrocarboné L ayant de 5 à 20 atomes de carbone dans une position non terminale dudit squelette polymère, ledit squelette polymère ayant des groupes fonctionnels choisis parmi des groupes hydroxyle et des groupes amine au niveau de ses extrémités de chaîne ; et (C2) un second constituant comprenant une préparation comprenant (b1) un polyisocyanate ayant 2 groupes isocyanate ou plus et/ou (b2) un produit de réaction ayant des groupes isocyanate obtenus par réaction dudit polyisocyanate à 2 groupes isocyanate ou plus (b1) et (b2a) une polyoléfine ayant un squelette polymère constitué (b2a-i) de motifs de répétition dérivés d'un monomère à insaturation oléfinique ayant 4 atomes de carbone et, éventuellement, (b2a-ii) d'un groupe hydrocarboné ayant de 5 à 20 atomes de carbone dans une position non terminale dudit squelette polymère, ladite chaîne polymère ayant des groupes fonctionnels choisis parmi des groupes hydroxyle et des groupes amine au niveau de ses extrémités de chaîne. |
Author | CSIHONY, SZILARD BUCK, KLAUS WALTHER, BURKHARD NOWICKI, ROLAND BRUCHERTSEIFER, CHRISTIAN |
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DocumentTitleAlternate | REVETEMENT ELASTOMERE DE POLYURETHANE A DEUX CONSTITUANTS POUR UNE PROTECTION CONTRE LA CORROSION ET LES INTEMPERIES |
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Snippet | The present invention relates to a two-component composition suitable for providing a coating preparation from which a cured layer can be obtained in order to... |
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SubjectTerms | ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON CORRECTING FLUIDS DYES FILLING PASTES INKS MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS THEREFOR WOODSTAINS |
Title | TWO-COMPONENT POLYURETHANE ELASTOMER COATING FOR CORROSION AND WEATHERING PROTECTION |
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