Polycarbonate diol derived from ether diol of anhdrohexitol and preparation method thereof, and polyurethane prepared therefrom and adhesive comprising the same
US12180335B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 28, 2020 |
| Grant date | Dec 31, 2024 |
| Priority date | — |
| Expiry date | Jun 9, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09J175/06
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A polycarbonate diol is derived from ether diol of anhydrohexitol, a preparation method thereof, a polyurethane prepared therefrom, and adhesive, etc. including the same. More specifically, the polycarbonate diol includes repeated units derived from ether diol of anhydrohexitol; and carbonate diester; and optionally anhydrohexitol; and thereby showing better effect of improving color as compared with conventional polycarbonate diol, and being capable of providing polyurethane prepared therefrom with remarkably improved adhesion strength (T-peel strength or shear strength), preparation method thereof, polyurethane prepared therefrom, and adhesive, paint and coating agent including the same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.