Blends of ultraviolet absorbers and polyesters
US5558912A · kind A · utility
16Cited by
6References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 26, 1995 |
| Grant date | Sep 24, 1996 |
| Priority date | — |
| Expiry date | Sep 26, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31786
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
This invention relates to a photo-stabilized polymer blend comprising: PA1 (a) at least one polyethylene terephthalate-based (PET) copolymer comprising 1,4-cyclohexanedimethanol, and PA1 (b) an ultraviolet absorber, at least one compound selected from the group consisting of cyclic imino esters.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.