Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1980-06-12
1982-03-30
Wong, Jr., Harry
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
20415914, 521 31, 525329, 525355, 525369, 525377, 525378, 525384, 525386, C08F 812, C08F21418, C08F 800
Patent
active
043225110
ABSTRACT:
A novel process for the production of fluorine-containing multi-component copolymers having functional groups is disclosed, which process is characterized in that tetrafluoroethylene having the formula: CF.sub.2 .dbd.CF.sub.2 ; one or two or more .alpha.,.beta.,.beta.-trifluoroacrylate having the generic formula: CF.sub.2 .dbd.CFCOOC.sub.n H.sub.2n+1 wherein n represents an integer of 1 or greater; and one or two or more .alpha.-olefin having the generic formula: ##STR1## wherein j and m each independently represents an integer of 0 to 11 inclusive; are copolymerized with one another in the presence of a radical initiator. The resultant interpolymer is hydrolyzed and cross-linked using ionizing radiation.
REFERENCES:
patent: 3654245 (1972-04-01), Kometani et al.
patent: 4174426 (1979-11-01), Asami et al.
patent: 4204927 (1980-05-01), Carlson
Machi Sueo
Matsuda Osamu
Tabata Yoneho
Watanabe Terutaka
Japan Atomic Energy Research Institute
Wong, Jr. Harry
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