SILYLATED POLYURETHANES AND METHODS FOR PREPARING THEREOF
The invention relates to a silylated polyurethane obtainable by reacting:d) at least one polyol having a number average molecular weight of from 1000 to 50,000 g/mol;e) at least one polyisocyanate, preferably diisocyanate; andf) at least one tertiary hydroxyl functional alkoxysilane of the general f...
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Format | Patent |
Language | English French German |
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02.02.2022
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Abstract | The invention relates to a silylated polyurethane obtainable by reacting:d) at least one polyol having a number average molecular weight of from 1000 to 50,000 g/mol;e) at least one polyisocyanate, preferably diisocyanate; andf) at least one tertiary hydroxyl functional alkoxysilane of the general formula (I)wherein Ris selected from the group consisting of hydrogen and a linear or branched, substituted or unsubstituted hydrocarbon residue having 1 to 20 carbon atoms; Rand Rare same or different and are, independent from one another, selected from a linear or branched, substituted or unsubstituted hydrocarbon residue having 1 to 20 carbon atoms; Ris selected from a linear or branched, substituted or unsubstituted hydrocarbon residue having 1 to 20 carbon atoms; Ris selected from a linear or branched, substituted or unsubstituted hydrocarbon residue having 1 to 20 carbon atoms; Rand Rare same or different and are, independent from one another, selected from a linear or branched, substituted or unsubstituted hydrocarbon residue having 1 to 20 carbon atoms; and n is 1, 2 or 3, a method for preparing thereof, a curable composition comprising the thereby obtained silylated polyurethane, and its use. |
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AbstractList | The invention relates to a silylated polyurethane obtainable by reacting:d) at least one polyol having a number average molecular weight of from 1000 to 50,000 g/mol;e) at least one polyisocyanate, preferably diisocyanate; andf) at least one tertiary hydroxyl functional alkoxysilane of the general formula (I)wherein Ris selected from the group consisting of hydrogen and a linear or branched, substituted or unsubstituted hydrocarbon residue having 1 to 20 carbon atoms; Rand Rare same or different and are, independent from one another, selected from a linear or branched, substituted or unsubstituted hydrocarbon residue having 1 to 20 carbon atoms; Ris selected from a linear or branched, substituted or unsubstituted hydrocarbon residue having 1 to 20 carbon atoms; Ris selected from a linear or branched, substituted or unsubstituted hydrocarbon residue having 1 to 20 carbon atoms; Rand Rare same or different and are, independent from one another, selected from a linear or branched, substituted or unsubstituted hydrocarbon residue having 1 to 20 carbon atoms; and n is 1, 2 or 3, a method for preparing thereof, a curable composition comprising the thereby obtained silylated polyurethane, and its use. |
Author | MEJIA, Esteban BRISAR, Rok DAMKE, Jan-Erik KLEIN, Johann |
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DocumentTitleAlternate | POLYURÉTHANES SILYLÉS ET LEURS PROCÉDÉS DE PRÉPARATION SILYLIERTE POLYURETHANE UND VERFAHREN ZUR HERSTELLUNG DAVON |
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RelatedCompanies | Henkel AG & Co. KGaA |
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Snippet | The invention relates to a silylated polyurethane obtainable by reacting:d) at least one polyol having a number average molecular weight of from 1000 to 50,000... |
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SubjectTerms | 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 | SILYLATED POLYURETHANES AND METHODS FOR PREPARING THEREOF |
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