Crosslinkable organopolysiloxane compositions
AssigneeWacker Chemie AG
InventorsWolfgang Ziche, Susanne Straussberger, Klaus Obermeier
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Abstract
Organopolysiloxane compositions which are stable on storage in the absence of moisture and can be crosslinked at room temperature on admission of moisture are based on organosilicon compounds containing at least two hydrolyzable groups, and contain, as catalyst, at least one titanium compound of the formula Ti(OR)4-n[(OR1)x—OR2]n (I) where R may be identical or different and are monovalent, substituted or unsubstituted hydrocarbon radicals, R1 may be identical or different and are divalent, substituted or unsubstituted hydrocarbon radicals, R2 may be identical or different and are as defined for R, n is 1, 2, 3 or 4 and x is an integer greater than or equal to 1.
Claims23
A crosslinkable organopolysiloxane composition which is stable on storage in the absence of moisture and can be crosslinked at room temperature on admission of moisture, comprising at least one substantially linear organopolysiloxane compound containing at least two hydrolyzable groups, and at least one titanium compound catalyst of the formula
- Ti(OR)4-n[(OR1)x—OR2]n (I)
- where
- R are identical or different and are monovalent, substituted or unsubstituted hydrocarbon radicals,
- R1 are identical or different and are divalent, substituted or unsubstituted hydrocarbon radicals,
- R2 are identical or different and are as defined for R,
- n is 1, 2, 3 or 4 and
- x is an integer greater than or equal to 1,
- wherein said at least two hydrolyzable groups comprise organyloxy groups.
Dependencies are inferred from the claim text.