Hot water precipitation of resins containing maleic anhydride

Details Hot water precipitation of resins containing maleic anhydride Hot water precipitation of resins containing maleic anhydride

1980-12-22

1982-10-19

Henderson, C. A.

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

Synthetic resins

Treating polymer containing material or treating a solid...

528496, 528502, C08F 612

Patent

active

043551572

ABSTRACT:
A method of precipitating a copolymer comprising maleic anhydride from a solution comprising an organic solvent, the method comprising mixing a solution of an organic solvent and a copolymer of maleic anhydride and a monomer copolymerizable therewith with hot water and agitating the resulting mixture for a sufficient period of time and at a sufficiently high shear rate to yield precipitated particles of said copolymer that are substantially free of internal organic solvent.

REFERENCES:
patent: 3041318 (1962-06-01), Hess
patent: 3461108 (1969-08-01), Hellman et al.
patent: 3646044 (1972-02-01), Sekmakas
patent: 3706704 (1972-12-01), Heilman
patent: 3729450 (1973-04-01), Galiano et al.
patent: 3972903 (1976-08-01), Gross
patent: 4038477 (1977-07-01), Inoue
patent: 4137281 (1979-01-01), Li et al.
patent: 4145375 (1979-03-01), Cutter et al.
patent: 4147852 (1979-04-01), Bozzelli et al.

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