Graft copolymer of neutralized acid copolymer trunk and polyamide oligomeric branches and method for making such copolymer
US4217430A · kind A · utility
21Cited by
14References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 1, 1978 |
| Grant date | Aug 12, 1980 |
| Priority date | — |
| Expiry date | Aug 1, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S525/919
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A graft copolymer is disclosed made from a trunk copolymer of ethylene and .alpha.,.beta.-ethylenically unsaturated monocarboxylic acid partially neutralized by zinc, cadmium, or lead ions and from branches of polyamide oligomers. The metal ions facilitate grafting polyamide to monocarboxylic groups.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.