Dimensionally stable impression compositions

Details Dimensionally stable impression compositions Dimensionally stable impression compositions

A - Human Necessities

61

K

400/4104, 400/51

A61K 6/10 (2006.01) C08L 83/04 (2006.01) C08L 83/07 (2006.01)

Patent

CA 1312691

ABSTRACT In a silicone impression and duplicating composition which undergoes crosslinking at ambient temperature by an addition reaction, comprising a) an organopolysiloxane possessing two or more vinyl groups in the molecule, b) optionally an organopolysiloxane without reactive groups, c) an organopolysiloxane possessing two or more Si-H groups in the molecule, d) a catalyst, e) a filler and, f) optionally an auxiliary and/or colorant, the improvement wherein polysiloxane components a) - c) contain not more than about 1.5% by weight of volatile oligomers, whereby the dimensional stability of impressions is improved. Le A 22 978

477090

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