Preparation process of degradable polymer

Details Preparation process of degradable polymer Preparation process of degradable polymer

1995-11-06

1997-06-10

Acquah, Samuel A.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

528272, 528274, 528275, 528354, 528361, 528482, 528487, 528488, 525444, 525450, 524155, 524356, 524366, C08K 500, C08F 2000

Patent

active

056376316

ABSTRACT:
A process for preparing a degradable copolymer of aliphatic polyester comprising the steps of reacting two or more kinds of aliphatic polyester homopolymer in the presence of a catalyst in a reaction mixture containing an organic solvent, and a degradable copolymer of aliphatic polyester obtained by said preparation process. The copolymers exhibits high transparency in addition to excellent strength and elongation, can be processed into various molded articles and formed items such as films and filaments, and can provide heat resistance by heat treatment of said molded articles and formed items. The copolymer can be suitably utilized for processed articles such as a film, breathable film, sheet, textile, monofilament, multifilament, yarn, non-woven fabric, flat yarn, staple, crimped fiber, ribbed tape, split yarn, conjugate fiber, laminate, blow-bottle, sheet, stretched sheet, foam and net.

REFERENCES:
patent: 3636956 (1972-01-01), Schneider
patent: 3736646 (1973-06-01), Schmitt et al.
patent: 3797499 (1974-03-01), Schneider
patent: 3982543 (1976-09-01), Schmitt et al.
patent: 4057537 (1977-11-01), Sinclair
patent: 5403897 (1995-04-01), Ebato et al.

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