Bubble-containing ethylene/.alpha.-olefin rubber
US5068256A · kind A · utility
1Cited by
5References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 13, 1989 |
| Grant date | Nov 26, 1991 |
| Priority date | — |
| Expiry date | Oct 13, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2323/16
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
In accordance with the present invention, there is provided a bubble-containing ehtylene/.alpha.-olefin rubber excellent in kneadability, characterized in that the ethylene/.alpha.-olefin rubber prepared by copolymerization of 50-95 mol% of ethylene, 5-50 mol% of .alpha.-olefin having at least 3 carbon atoms and 0-10 mol% of non-conjugated polyene contains 5-1000 parts by volume, based on 100 parts by volume of said rubber, of bubbles and has a water absorption volume as measured in accordance with ASTM D 1506 of less than 20% by volume of the total bubble volume.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.