Process for the preparation of a thermoplastic with high monomer

Details Process for the preparation of a thermoplastic with high monomer Process for the preparation of a thermoplastic with high monomer

1988-02-09

1989-10-03

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...

525 74, 525 80, 525 83, 525 85, C08L 3308, C08L 5104

Patent

active

048718025

ABSTRACT:
The invention relates to a process for the preparation of a thermoplastic consisting of a vinylaromatic compound, acrylonitril and a butadiene rubber, by means of a two-step polymerization reaction characterized in that 0.1-10 wt. % of the butadiene rubber based on the entire composition, is replaced by an acrylate rubber in the second step. The process results in a decreased concentration of residual monomers.

REFERENCES:
patent: 4539375 (1985-09-01), Dunkelberger

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