Process of increasing the molecular weight of water soluble acry

Details Process of increasing the molecular weight of water soluble acry Process of increasing the molecular weight of water soluble acry

1992-10-08

1995-03-28

Zitomer, Fred

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

Synthetic resins

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

525263, 5253274, 5253297, 5253298, 5253303, 5253304, 525387, C08G 8102, C08G 8100

Patent

active

054018072

ABSTRACT:
A method has been discovered for generating free radicals at saturated carbon atoms on the backbone of acrylate polymers or copolymers. This method is useful for combining at least two polymer chains at the free radical sites on each polymer chain to form a polymer or copolymer product with increased molecular weight and a controlled degree of branching. The polymers and copolymers produced by this process are useful as antiscalants, dispersants, incrustation inhibitors and superabsorbants. They are particularly useful in detergent and cleaning applications.

REFERENCES:
patent: 3880791 (1975-04-01), Marcozzi
patent: 4412028 (1983-10-01), Lundberg
patent: 4659793 (1987-04-01), Yang
patent: 4837272 (1989-06-01), Kelley
patent: 4873289 (1989-10-01), Lindner
patent: 4910250 (1990-03-01), Saotome
patent: 5096947 (1992-03-01), Bowen
patent: 5194516 (1993-03-01), Fisher

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