ALKOXYSILANE FUNCTIONAL POLYURETHANE-UREA FOR ADHESIVE OR COATING
The invention relates to an alkoxysilane functional polyurethane-urea that can be used to prepare an adhesive or coating composition. The polyurethane-urea is obtainable by polymerization of reaction components comprising: (a) an alkoxysilane functional thioether diol; (b) a polyisocyanate; and (c)...
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Format | Patent |
Language | English French |
Published |
07.03.2023
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Abstract | The invention relates to an alkoxysilane functional polyurethane-urea that can be used to prepare an adhesive or coating composition. The polyurethane-urea is obtainable by polymerization of reaction components comprising: (a) an alkoxysilane functional thioether diol; (b) a polyisocyanate; and (c) an alkoxysilane functional aspartate ester, wherein the alkoxysilane functional aspartate ester (c) is a Michael addition product of an amino-functional silane and an unsaturated diester. The polyurethane-urea has a low viscosity and can be used in solvent- and water-free adhesives or coatings. The adhesive or coating can be applied to various substrates such as wood, wood-containing composite, metal, plastics, paper, stone, glass or concrete.
L'invention concerne une polyuréthane-urée à fonction alcoxysilane qui peut être utilisée pour préparer une composition adhésive ou de revêtement. La polyuréthane-urée peut être obtenue par polymérisation de composants de réaction comprenant : (A) un thioéther diol à fonction alcoxysilane ; (b) un polyisocyanate ; et (c) un ester d'aspartate à fonction alcoxysilane, l'ester d'aspartate à fonction alcoxysilane (c) étant un produit d'addition de Michael d'un silane à fonction amino et d'un diester insaturé. La polyuréthane-urée a une faible viscosité et peut être utilisée dans des adhésifs ou des revêtements sans solvant et sans eau. L'adhésif ou le revêtement peut être appliqué sur divers substrats tels que le bois, le composite contenant du bois, le métal, le plastique, le papier, la pierre, le verre ou le béton. |
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AbstractList | The invention relates to an alkoxysilane functional polyurethane-urea that can be used to prepare an adhesive or coating composition. The polyurethane-urea is obtainable by polymerization of reaction components comprising: (a) an alkoxysilane functional thioether diol; (b) a polyisocyanate; and (c) an alkoxysilane functional aspartate ester, wherein the alkoxysilane functional aspartate ester (c) is a Michael addition product of an amino-functional silane and an unsaturated diester. The polyurethane-urea has a low viscosity and can be used in solvent- and water-free adhesives or coatings. The adhesive or coating can be applied to various substrates such as wood, wood-containing composite, metal, plastics, paper, stone, glass or concrete.
L'invention concerne une polyuréthane-urée à fonction alcoxysilane qui peut être utilisée pour préparer une composition adhésive ou de revêtement. La polyuréthane-urée peut être obtenue par polymérisation de composants de réaction comprenant : (A) un thioéther diol à fonction alcoxysilane ; (b) un polyisocyanate ; et (c) un ester d'aspartate à fonction alcoxysilane, l'ester d'aspartate à fonction alcoxysilane (c) étant un produit d'addition de Michael d'un silane à fonction amino et d'un diester insaturé. La polyuréthane-urée a une faible viscosité et peut être utilisée dans des adhésifs ou des revêtements sans solvant et sans eau. L'adhésif ou le revêtement peut être appliqué sur divers substrats tels que le bois, le composite contenant du bois, le métal, le plastique, le papier, la pierre, le verre ou le béton. |
Author | YEBIO, BEREKET ZEWOLDI OLSSON KARLBERG, NILS GUSTAV MARTIN PLIKK, PETER ANDREAS VERLAAN-HOOFT, HENDRICA PETRONELLA MARIA VAN DEN BERG, KEIMPE JAN |
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DocumentTitleAlternate | POLYURETHANE-UREE A FONCTION ALCOXYSILANE POUR ADHESIF OU REVETEMENT |
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RelatedCompanies | AKZO NOBEL COATINGS INTERNATIONAL B.V |
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Snippet | The invention relates to an alkoxysilane functional polyurethane-urea that can be used to prepare an adhesive or coating composition. The polyurethane-urea is... |
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SubjectTerms | ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES CHEMISTRY COMPOSITIONS BASED THEREON DYES MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL ORGANIC MACROMOLECULAR COMPOUNDS PAINTS POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS AS ADHESIVES |
Title | ALKOXYSILANE FUNCTIONAL POLYURETHANE-UREA FOR ADHESIVE OR COATING |
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