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US 7,888,436 B2Granted
Compositions comprising thioether-functional oligomeric polythiols
AssigneePRC-DeSoto International, Inc.
InventorsChester J. Szymanski, Lawrence G. Anderson, Gregory J. McCollum, Nina V. Bojkova
Life of this patent
Estimating the term…
Abstract
Sealant and potting formulations comprising a thioether-functional, oligomeric polythiol prepared by reacting together: (a) a compound having at least two thiol functional groups; and (b) a compound having triple bond functionality are disclosed.
Claims16
A sealant formulation comprising:
- 1) a thioether-functional oligomeric polythiol comprising a reaction product of at least:
- a) a compound having at least two thiol functional groups;
- and
- b) a compound having triple bond functionality and hydroxyl functionality;
- 2) a curing agent reactive with the thioether-functional oligomeric polythiol;
- and
- 3) a filler, an adhesion promoter, a plasticizer and/or a catalyst.
4 more elements
A sealant formulation comprising:
- 1) a thioether-functional oligomeric polythiol comprising a reaction product of
- a) a compound having more than two thiol functional groups wherein at least two of the thiol functional groups are terminal thiol functional groups;
- and
- b) a compound having triple bond functionality and hydroxyl functionality;
- 2) a curing agent reactive with the thioether-functional oligomeric polythiol;
- and
- 3) a filler, an adhesion promoter, a plasticizer and/or a catalyst.
4 more elements
An electrical potting formulation comprising:
- 1) a thioether-functional oligomeric polythiol comprising a reaction product of
- a) a compound having at least two thiol functional groups;
- and
- b) a compound having triple bond functionality and hydroxyl functionality;
- 2) a curing agent reactive with the thioether-functional oligomeric polythiol;
- and
- 3) a filler, an adhesion promoter, a plasticizer and/or a catalyst, wherein the Tg of the formulation is −30° C. or less.
4 more elements
Dependencies are inferred from the claim text.