Sulfur-containing oligomers and high index polyurethanes prepared therefrom
US8017720B2 · kind B2 · utility
21Cited by
156References
47Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 16, 2005 |
| Grant date | Sep 13, 2011 |
| Priority date | — |
| Expiry date | Dec 8, 2028 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G18/1816
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention provides polythiol oligomer formed by the reaction of at least two or more different dienes and at least one or more dithiol wherein stoichiometric ratio of the sum of the number of equivalents of all polythiols to the sum of the number of equivalents of all dienes used to form the polythiol oligomer is greater than 1.0:1.0; and wherein the two or more different dienes comprise
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