Process for the continuous degradation of plastics
US4051212A · kind A · utility
44Cited by
9References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 29, 1975 |
| Grant date | Sep 27, 1977 |
| Priority date | — |
| Expiry date | Aug 29, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S264/916
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The instant invention relates to a continuous process for the hydrolytic degradation of plastics wherein a hydrolyzable material is introduced with water into a screw machine, and is subjected therein to a temperature of 100 to 300.degree. C, and a pressure of 5 to 100 bars for 2 to 100 minutes. The invention also relates to an apparatus useful in conducting the process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.