Method for dispersing miscible polymeric components

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

1989-11-29

1992-04-21

Ziegler, Jacob

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

Synthetic resins

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

26421120, 525235, C08L 702, C08L 2724

Patent

active

051069180

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: 4722595 (1988-02-01), Siol
patent: 4731417 (1988-03-01), Mujata et al.
patent: 4777492 (1988-10-01), Ohnishi et al.
Cited by Examiner on PTO 892 mailed with OFC Action dated Mar. 29, 1991.

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