Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
ADDITIV-ZUSAMMENSETZUNG FÜR AMIN-HÄRTER, DEREN VERWENDUNG SOWIE DIESE ENTHALTENDE AMIN-HÄRTERZUSAMMENSETZUNG
The invention relates to an additive composition, which comprises a thickener and a thixotropic agent and is characterized in that the thickener is cellulose or a derivative thereof and that the thixotropic agent is a pyrogenically produced silicic acid, the surface of which is modified with groups of general formula (I) —SiRaR1bOR2c (I), in which a can equal 1, 2, or 3, b can equal 0, 1, or 2, and c can equal 0, 1, or 2, wherein a+b+c=3, and R can be a monovalent, optionally monounsaturated or polyunsaturated, optionally branched hydrocarbon group having 1 to 24 carbon atoms, R1 can be a likewise monovalent, optionally monounsaturated or polyunsaturated, optionally branched hydrocarbon group having 1 to 20 carbon atoms, and R2 can be a hydrogen atom, a monovalent, optionally monounsaturated or polyunsaturated, optionally branched hydrocarbon group having 1 to 20 carbon atoms, or a bond to another Si atom, with the stipulation that at least one of the groups R or R1 is a hydrocarbon group having more than 3 carbon atoms.
ADDITIV-ZUSAMMENSETZUNG FÜR AMIN-HÄRTER, DEREN VERWENDUNG SOWIE DIESE ENTHALTENDE AMIN-HÄRTERZUSAMMENSETZUNG
The invention relates to an additive composition, which comprises a thickener and a thixotropic agent and is characterized in that the thickener is cellulose or a derivative thereof and that the thixotropic agent is a pyrogenically produced silicic acid, the surface of which is modified with groups of general formula (I) —SiRaR1bOR2c (I), in which a can equal 1, 2, or 3, b can equal 0, 1, or 2, and c can equal 0, 1, or 2, wherein a+b+c=3, and R can be a monovalent, optionally monounsaturated or polyunsaturated, optionally branched hydrocarbon group having 1 to 24 carbon atoms, R1 can be a likewise monovalent, optionally monounsaturated or polyunsaturated, optionally branched hydrocarbon group having 1 to 20 carbon atoms, and R2 can be a hydrogen atom, a monovalent, optionally monounsaturated or polyunsaturated, optionally branched hydrocarbon group having 1 to 20 carbon atoms, or a bond to another Si atom, with the stipulation that at least one of the groups R or R1 is a hydrocarbon group having more than 3 carbon atoms.
ADDITIV-ZUSAMMENSETZUNG FÜR AMIN-HÄRTER, DEREN VERWENDUNG SOWIE DIESE ENTHALTENDE AMIN-HÄRTERZUSAMMENSETZUNG
ADDITIVE COMPOSITION FOR AMINE HARDENERS, USE OF SAID ADDITIVE COMPOSITION, AND AMINE HARDENER COMPOSITION CONTAINING SAID ADDITIVE COMPOSITION
COMPOSITION D'ADDITIF POUR DURCISSEUR AMINIQUE, SON UTILISATION ET COMPOSITION DE DURCISSEUR AMINIQUE LA CONTENANT
KUMRU MEMET-EMIN (Autor:in)
03.02.2016
Patent
Elektronische Ressource
Deutsch
IPC:
C04B
Kalk
,
LIME
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