Synthesis of bigraft copolymers based on grafted type peracid po

Details Synthesis of bigraft copolymers based on grafted type peracid po Synthesis of bigraft copolymers based on grafted type peracid po

1988-09-23

1990-05-22

Briggs, Sr., Wilbert J.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

522114, 525279, 525285, 525303, 525309, 525311, 5253297, C08F25502, C08F26502

Patent

active

049278908

ABSTRACT:
The present invention relates to a method of synthesizing a bigraft compolymer based on grafted type peracid polymer, which comprises graft polymerizing a first ethylenically unsaturated monomer containing a carboxyl group onto a polymer substrate having a form of a membrane, particulate or tube; oxidizing the carboxyl groups of the resulting graft polymer into peracids; and then graft polymerizing a second ethylenically unsaturated monomer onto the grafted chain of the graft polymer through the decomposition of the peracid. Surface profile and morphology of the bigraft copolymer membrane product is also investigated by scanning electron microscopy and transmission electron microscopy respectively.

REFERENCES:
patent: 3900530 (1975-08-01), Crawford
patent: 4735736 (1988-04-01), Chung
patent: 4774280 (1988-09-01), Hauschild et al.

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