Crosslinked polyacrylic acids having low solvent residue, a proc

Details Crosslinked polyacrylic acids having low solvent residue, a proc Crosslinked polyacrylic acids having low solvent residue, a proc

1993-08-25

1994-08-30

Reddick, Judy M.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

524729, 5262305, 5263171, 5263185, 526334, C08F 200

Patent

active

053429117

ABSTRACT:
A crosslinked acrylic acid polymer or crosslinked acrylic acid copolymer consisting of at least 80% of acrylic acid and containing less than 5 ppm of methylene chloride obtained by a process comprising the radicalic polymerization of monomers in a solvent mixture consisting of a mixture of methylene chloride and a carboxylic ester having formula

REFERENCES:
patent: 4267103 (1981-05-01), Cohen
patent: 4996274 (1991-02-01), Hsu

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