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US 7,605,203 B2Granted
Polymer compositions and adhesives, coatings, and sealants made therefrom
AssigneeTremco Incorporated
InventorsTa-Min Feng, Steve S. Mishra
Life of this patent
Estimating the term…
Abstract
Polymer compositions for preparing sealants, adhesives and coatings are provided. The polymer compositions comprise from 1 to 99% by weight of an organic polymer comprising functional silane groups, from 1 to 45% by weight (based on total polymer) of at least one reactive or non-reactive organopolysiloxane polymer; from 0 to 98% by weight (based on total polymer) of an organic polymer that lacks functional silane groups.
Claims33
A curable polymer composition comprising
- (a) about 1-99 wt. %, based on total polymer, of a compatiblizer comprising at least one organic polymer having silane groups, the organic polymer having a molecular weight greater than 1000 g/mole and being a polyurethane, polyether, polyester, polycarbonate, polystyrene, styrene butadiene, polybutadiene, butyl rubber, or mixtures thereof,
- (b) about 1-45 wt. %, based on total polymer, of at least one reactive organopolysiloxane polymer having a molecular weight of about 10,000 to 200,000 g/mole, the reactive organopolysiloxane polymer containing at least one reactive functional group selected from hydroxyl, alkoxy, acyloxy, ketoximo, amino, amido, aminoxy, alkenoxy, alkenyl and enoxy,
- (c) about 0-98 wt. %, based on total polymer, of at least one silane-free organic polymer having a molecular weight greater than 1000 g/mole, and
- (d) optionally, up to about 45 wt. %, based on total polymer, of a non-reactive organopolysiloxane.
1 more element
A curable polymer composition comprising
- (a) about 1-99 wt. %, based on total polymer, of a compatiblizer comprising a polyurethane polymer end-capped with silane groups and also with alcohol groups,
- (b) about 1-45 wt. %, based on total polymer, of at least one reactive organopolysiloxane polymer having a molecular weight of about 10,000 to 200,000 g/mole, the reactive organopolysiloxane polymer being at least partially end-capped with hydroxyl groups, and
- (c) about 0-98 wt. %, based on total polymer, of at least one silane-free organic polymer having a molecular weight greater than 1000 g/mole, and
- (d) optionally, up to about 45 wt. %, based on total polymer, of a non-reactive organopolysiloxane.
1 more element
Dependencies are inferred from the claim text.