Process for the absorption of organic liquids by use of a hydrophobic fibrous material
US4519918A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 24, 1983 |
| Grant date | May 28, 1985 |
| Priority date | — |
| Expiry date | Jan 24, 2003 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S210/924
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A process is provided for the absorption of organic liquids, particularly oil, using hydrophobic fibrous material prepared by impregnating fibrous material comprising cellulose fibers with a liquid resinous material selected from the group consisting of acrylate prepolymers and polymers, alkyd prepolymers and polymers, and polyester prepolymers and polymers in an amount to provide in the impregnated fibrous material from about 0.5 to about 30% by weight polyacrylate, polyalkyd or polyester, and then heating the impregnated fibrous material to convert the polymer or prepolymer by chemical reaction into a hydrophobic polymer rendering the fibrous material hydrophobic.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.