Vinyl ether silicones
Conference
·
OSTI ID:126974
- Wacker-Chemie GmbH, Burghausen (Germany)
Siloxanes with vinyl ether groups are prepared by hydrosilylation reaction of dihydrosiloxanes with divinyl ethers in excess. Different stoichiometry, produces linear copolymers of different viscosities and double bond concentrations always with an active vinyl ether group at each chain end. Polymerisations triggered by UV light were done with mixtures of these compounds and a series of onium salts. Very fast cure is observed even with low doses at 290 nm. V.E. silicones are found to cure essentially quantitative. The comparison with other highly reactive cationic monomers revealed that compounds are among the fastest curing prepolymers in cationic chemistry.
- OSTI ID:
- 126974
- Report Number(s):
- CONF-950402--
- Country of Publication:
- United States
- Language:
- English
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