Process for preparing powdered rubber
US4189567A · kind A · utility
2Cited by
4References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 5, 1978 |
| Grant date | Feb 19, 1980 |
| Priority date | — |
| Expiry date | Apr 5, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08C1/14
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Homogeneous free-running powders, mixable when dry and with a mean particle size of between 0.1 and 5 mm, are obtained by high-temperature flocculation in the presence of aluminum polyhydroxychloride salts. The temperature is preferably between 70.degree. and 100.degree. C. and the pH is preferably 6 to 13.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.