Biodegradable molded article and biodegradable polyester resin composition
US11999847B2 · kind B2 · utility
0Cited by
1References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 19, 2023 |
| Grant date | Jun 4, 2024 |
| Priority date | — |
| Expiry date | May 19, 2043 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2205/24
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
An eco-friendly biodegradable molded article, including: a polyester resin including a diol, an aromatic dicarboxylic acid and an aliphatic dicarboxylic acid, wherein, when continuously irradiated with ultraviolet rays from a UVA 340 ultraviolet light lamp at an intensity of 0.75 W/m2, a tensile strength decrease rate from the beginning of the ultraviolet irradiation to 1 day ranges from 5% to 40%.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.