Compatibilized polymeric systems

Details Compatibilized polymeric systems Compatibilized polymeric systems

1995-02-27

1996-06-04

Carrillo, Ana L.

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

Synthetic resins

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

525 63, 525 64, 525 66, 525 67, 525 70, 525 71, 525 74, 525125, 525179, 525931, C08L 7700

Patent

active

055233511

ABSTRACT:
The subject invention relates to a process for preparing a compatibilized blend of a first polymer which is a rubber containing free nitrile groups, hydroxyl groups, carboxyl groups, amide groups, amine groups or mercapto groups and a second dissimilar polymer which is a thermoplastic polymer containing nitrile groups, hydroxyl groups, carboxyl groups, amide groups, amine groups or mercapto groups, which comprises reacting a rubber having pendant blocked isocyanate groups bound thereto with the first polymer and the second dissimilar polymer, wherein the compatibilized blend contains from about 55 weight percent to about 75 weight percent of the rubber containing nitrile groups, hydroxyl groups, amide groups, amine groups or mercapto groups.

REFERENCES:
patent: 4745148 (1988-05-01), Chung et al.
patent: 5283285 (1994-02-01), Akkapeddi et al.

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