Method for dispersing miscible polymeric components

Details Method for dispersing miscible polymeric components Method for dispersing miscible polymeric components

1992-02-06

1993-03-09

Ziegler, Jacob

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Layered, stratified traversely of length, or multiphase...

26421112, 26433113, 264348, B29C 4788, B29C 7100, B32B 3120, C08J 500

Patent

active

051924790

ABSTRACT:
A method for dispersing a second polymer within a first polymer is disclosed, the polymers being mutually miscible and when blended exhibit lower critical solution temperature (LCST) type behavior. The first and second polymers are blended together at a temperature for easy processing and then phase separated at a temperature above the LCST of the blended polymer pair. The phase separated polymers are then cooled to a temperature wherein the polymer pair become fixed in the phase separated state.

REFERENCES:
patent: 4444817 (1984-04-01), Subramanian
patent: 4722595 (1988-02-01), Siol
patent: 4731417 (1988-03-01), Miyata
patent: 4772506 (1988-09-01), Siol et al.
patent: 4777492 (1988-10-01), Ohnishi et al.
patent: 5108844 (1992-04-01), Blemberg et al.

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