Process for preparing improved pellets of hydrolyzed ethylene-vinyl acetate copolymer
US4753760A · kind A · utility
11Cited by
7References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 5, 1986 |
| Grant date | Jun 28, 1988 |
| Priority date | — |
| Expiry date | Nov 5, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2329/04
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A process for preparing improved pellets of a hydrolyzed ethylene-vinyl acetate copolymer which comprises extruding a methanol or a water-methanol solution including a hydrolyzed ethylene-vinyl acetate copolymer and a lubricant into a coagulating liquid in the form of a strand and cutting the strand into pellets. According to the process of the present invention, the molding processability can be improved without damaging the properties of the molded articles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.