Process for the production of elastomer-modified thermoplastics

Details Process for the production of elastomer-modified thermoplastics Process for the production of elastomer-modified thermoplastics

1998-03-19

2000-11-28

Cain, Edward J.

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

Synthetic resins

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

525 54, 525 70, 525 71, C08G 6348

Patent

active

06153692&

ABSTRACT:
The present invention relates to a continuous process for the production of impact resistance-modified thermoplastics. An elastomer, in particular a particulate graft polymer with a water moisture content of 1 to 50%, preferably 10 to 40%, is incorporated into a thermoplastics melt in a large volume kneader reactor. The mixing ratio of elastomer to thermoplastics melt is 4:1 to 1:4. The energy required to melt the elastomer and to evaporate the adhering water is added by heating the walls of the apparatus and via the kneading action of the installed rotating parts.

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