Polyvinyl chloride, polycarbonate and copolyester compositions and articles made using these compositions
US11198782B2 · kind B2 · utility
1Cited by
27References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 14, 2018 |
| Grant date | Dec 14, 2021 |
| Priority date | — |
| Expiry date | May 15, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2203/16
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
This disclosure pertains to novel polyvinyl chloride compositions containing polyvinyl chloride resins, polycarbonate resins and copolyester resins. More particularly, the present disclosure pertains to polyvinyl chloride compositions including admixtures of polycarbonates and high glass transition temperature (Tg) copolyesters to increase the Tg and the heat distortion temperature under load (HDTUL) of the polyvinyl chloride compositions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.