Bubble-containing ethylene/.alpha.-olefin rubber

Details Bubble-containing ethylene/.alpha.-olefin rubber Bubble-containing ethylene/.alpha.-olefin rubber

1989-10-13

1991-11-26

Teskin, Fred

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

521 80, 521142, 524570, 526336, C08C 400

Patent

active

050682563

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.

REFERENCES:
patent: 3580867 (1971-05-01), Spenadel
patent: 3855378 (1974-12-01), Topcik
patent: 4307204 (1981-12-01), Vial
patent: 4458723 (1984-07-01), Norjori et al.
patent: 4783292 (1988-11-01), Rogers

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