Degradable polymeric compositions
US5096939A · kind A · utility
9Cited by
24References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 7, 1989 |
| Grant date | Mar 17, 1992 |
| Priority date | — |
| Expiry date | Jun 7, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/0033
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
There is disclosed a degradable polymeric composition wherein the degradation is initiated by ultraviolet radiation and once initiated the degradation process persists after removal from exposure to ultraviolet radiation and also under anaerobic conditions. The composition comprises an organic polymeric material having dispersed therein a degradation-controlling amount of an additive system consisting essentially of at least one alkoxylated ethylenically unsaturated compound as photo-sensitizer/readily auto-oxidizable additive and, optionally, at least one other readily auto-oxidizable organic substance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.