Polyethersulfone/polyester block copolymers and a process for th

Details Polyethersulfone/polyester block copolymers and a process for th Polyethersulfone/polyester block copolymers and a process for th

1994-09-23

1996-03-19

Lesmes, George F.

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

Synthetic resins

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

525534, 525906, 528173, 528174, C08F 2000

Patent

active

055004792

ABSTRACT:
A block copolymer resin containing structural units conforming to ##STR1## and a method for its preparation are disclosed. Accordingly, the block copolymer is prepared by reactive blending of an ester-containing polyether sulfone with a polyester. The block copolymer resin thus produced is characterized by its homogeneous morphology. The high level of its mechanical properties makes the resin suitable for a variety of applications.

REFERENCES:
patent: 4517354 (1985-05-01), D'Alelio
patent: 4906500 (1990-03-01), McKenna
patent: 5036150 (1991-07-01), Kawakami et al.
patent: 5151462 (1992-09-01), El-Hibri et al.
patent: 5169907 (1992-12-01), Kumpf et al.
patent: 5221727 (1993-06-01), Kumpf et al.
patent: 5342905 (1994-08-01), Kumpf et al.

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