Method for separating mixed plastics
US4119533A · kind A · utility
27Cited by
8References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 8, 1975 |
| Grant date | Oct 10, 1978 |
| Priority date | — |
| Expiry date | Aug 8, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/62
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method of separating highly hydrophobic plastics from a plastics mixture comprising placing the plastics mixture in an aqueous liquid medium, keeping the aqueous liquid medium in an agitated state to disperse the plastics mixture whereby the plastics having a higher hydrophobicity float on the aqueous liquid medium surface, and removing the plastics floating on the surface of the aqueous liquid medium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.