C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 77/04 (2006.01) C08G 77/08 (2006.01) C08G 77/18 (2006.01) C08G 77/20 (2006.01) C08G 77/22 (2006.01)
Patent
CA 2009276
A process for the preparation of an organosilicon condensation product which comprises reacting together at a temperature of at least 50°C (A) an organosilicon compound having in the molecule at least one silicon-bonded hydroxyl group and (B) an organosilicon compound having in the molecule at least one silicon-bonded -OX group, in which X represents an alkyl group having from 1 to 8 carbon atoms or an alkoxyalkyl group having from 2 to 8 carbon atoms, in the presence of a catalytic substance which is selected from strontium hydroxide and barium hydroxide.
Procédé pour la préparation d'un produit de condensation organosilicié qui consiste à faire réagir ensemble à une température d'au moins 50 degrés C (A) un composé organosilicié dont la molécule contient au moins un groupe hydroxyle lié au silicium et (B) un composé organosilicié dont la molécule contient au moins un groupe -OX lié au silicium, dans lequel X représente un groupe alkyle de 1 à 8 atomes de carbone ou un groupe alcoxyalkyle de 2 à 8 atomes de carbone, en présence d'une substance catalytique choisie parmi l'hydroxyde de strontium et l'hydroxyde de baryum.
Rees Sian B.
Westall Stephen
Dow Corning Limited
Gowling Lafleur Henderson Llp
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