Continuous process for the treatment of polymer composition to r

Details Continuous process for the treatment of polymer composition to r Continuous process for the treatment of polymer composition to r

1986-03-25

1987-10-13

Briggs, Sr., Wilbert J.

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

Synthetic resins

Treating polymer containing material or treating a solid...

525232, 525233, 525240, 525316, 528481, C08F 610

Patent

active

046999760

ABSTRACT:
Disclosed is a continuous treating process of a rubber modified styrenic polymer composition produced by bulk or solution polymerization and containing at least 1% by weight of a rubber component and at least 16% by weight of the total amount of an unreacted monomer and solvent which process comprises treating the polymer composition in two-step volatile component separation apparatuses, each of which comprises a multi-tube preheater and a volatilizer, to remove the unreacted monomer and other volatile components wherein the first treated composition contains 3-15% by weight of the unreacted monomer and solvent.

REFERENCES:
patent: 4439601 (1984-03-01), McCurdy et al.
patent: 4537954 (1985-08-01), Ando et al.

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