Plasticity index improvers and method of use
US4020026A · kind A · utility
1Cited by
1References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 17, 1975 |
| Grant date | Apr 26, 1977 |
| Priority date | — |
| Expiry date | Apr 17, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S524/926
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
This invention provides a method of treating rubber in the latex or nonlatex form with polyethylenimine to improve the plasticity and plasticity retention index of the unvulcanized elastomer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.