Abstract: Curable organopolysiloxane compositions comprising a platinum catalyst selected from the group consisting of
(PR23)2Pt(—C≡C—R3)2 (III),
(R22P—R4—PR22)Pt(—C≡C—R3)2 (IV)
and
H—C≡C—R5—C≡C—[—Pt(PR23)2—C≡C—R5—C≡C—]e—H (V)
where R2, R3, R4, R5 and e are as defined in claim 1.
Type:
Grant
Filed:
August 13, 1999
Date of Patent:
February 13, 2001
Assignee:
Wacker-Chemie GmbH
Inventors:
Armin Fehn, Frank Achenbach, Stefan Dietl