Highly hydrophilic and porous sintered body made of thermoplasti

Details Highly hydrophilic and porous sintered body made of thermoplasti Highly hydrophilic and porous sintered body made of thermoplasti

1981-02-05

1981-12-15

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

264126, 521140, 521919, C08J 924

Patent

active

043060331

ABSTRACT:
According to the invention, there is provided a highly hydrophilic and porous sintered body having open-cellular pores and including a polypyridine ring structure represented by the following formula of: ##STR1## (wherein n is an integer.) which is obtained by sintering a pulverized copolymer made from acrylonitrile, a conjugated diene monomer and an .alpha.,.beta.-unsaturated olefinic carboxylic ester represented by the following formula of: ##STR2## (wherein R.sub.1 is hydrogen, a lower alkyl group having 1 to 4 carbon atoms or a halogen; and R.sub.2 is an alkyl group having 1 to 6 carbon atoms.)

REFERENCES:
patent: 2843883 (1958-07-01), Rockoff
patent: 3267187 (1966-08-01), Slosberg et al.
patent: 3713890 (1973-01-01), Strier et al.
patent: 4158688 (1979-06-01), Pett et al.

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