Patent ID: 7504442

Claim:
A two-component dental molding material comprising: at least one alkoxysilyl-functional polyether a) with terminal alkoxysilyl-functional units of formula —SiR5R6R7, where R5, R6 and R7 independently of one another are hydrogen, alkyl or alkoxy, and wherein the alkoxy content of said alkoxysilyl-functional polyether is between 0.02 to 12 mmol/g, at least one reinforcing filler b 1 ) having a BET surface of at least 50 m 2 /g or at least one non-reinforcing filler b 2 ) having a BET surface of less than 50 m 2 /g, or a combination of said at least one reinforcing filler and of said at least one non-reinforcing filler, 0 to 3% by weight, referring to the total composition, of water c), at least one condensation catalyst d), and at least one hydroxylsilyl-functional polyether e), said two-component dental molding material comprising a first component A and a second component B, wherein component A comprises the hydroxysily-functional polyether e), optionally the water c) and the reinforcing filler b 1 ) or the non-reinforcing filler b 2 ) or a combination of the reinforcing filler b 1 ) and the non-reinforcing filler b 2 ), and component B comprises the alkoxysilyl-functional polyether a), the condensation catalyst d), and optionally the reinforcing filler b 1 ) or optionally the non-reinforcing filler b 2 ) or optionally a combination of the reinforcing b 1 ) and the non-reinforcing filler b 2 ), or wherein component A comprises the hydroxysilyl-functional polyether e), the alkoxysilyl functional polyether a), and the reinforcing filler b 1 ) or the non-reinforcing filler b 2 ) or a combination of the reinforcing filler b 1 ) and the non-reinforcing filler b 2 ), and component B comprises the condensation catalyst d), optionally the water c) and optionally the reinforcing filler b 1 ) or optionally the non-reinforcing filler b 2 ) or optionally a combination of the reinforcing filler b 1 ) and the non-reinforcing filler b 2 ).