Water-soluble polymers and/or copolymers possessing increased bi

Details Water-soluble polymers and/or copolymers possessing increased bi Water-soluble polymers and/or copolymers possessing increased bi

1992-11-10

1994-01-11

Schofer, Joseph L.

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

Synthetic resins

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

524 1, 524556, 524558, 524599, 525196, 525366, 525367, 525375, 525378, 525379, 525380, 5263171, C08F 842, C08F 844

Patent

active

052782484

ABSTRACT:
Water-soluble polymers and/or copolymers possessing enhanced biodegradability, and their applications are disclosed.
Acrylic and/or vinyl polymers and/or copolymers containing acid groups, in which 35% to 90% of the active acid sites are neutralized by magnesium ions, the specific viscosity is at most 25, and biodegradability is enhanced. Their decomposition after 36 days is greater than 50% as measured by the modified Sturm test.
These polymers can be used in industries as varied as: paper-making, paints, plastics, petroleum, drilling fluids, water treatment, detergents, cosmetics, textiles, inks, leather, grinding and/or splitting of minerals in water.

REFERENCES:
patent: 4868228 (1989-09-01), Gonnet
patent: 4882393 (1989-11-01), Herwig
patent: 4929690 (1990-05-01), Goertz
patent: 4984804 (1991-01-01), Yamada
patent: 5068151 (1991-11-01), Nakamura
R. F. Boyd, "General Microbiology", 2nd Ed., 359 (1988) Mosby (St. Louis).
T. D. Brock, "Biology of Microorganisms", 181 (1974) Prentice Hall (New Jersey).
Chemical Abstracts, vol. 113, No. 12, Sep. 17, 1990, & JP-A-0273811, pp. 148, "Preparation of Copolymers of Acrylic Acid Metal Salts and Cyclohexanone".

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