Process for producing thermoplastic elastomer composition

Details Process for producing thermoplastic elastomer composition Process for producing thermoplastic elastomer composition

1996-09-27

1998-12-08

Merriam, Andrew E. C.

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

Synthetic resins

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

523319, 523324, 523348, 523353, 524528, 525198, 26421123, 26421124, C08J 324, C08L 2316

Patent

active

058470522

ABSTRACT:
A process for producing a thermoplastic elastomer composition which comprises dynamically cross-linking an olefine copolymer rubber and an olefine plastic using a twin-screw extruder, said process being characterized in that said twin-screw extruder comprises one or more kneading zones within a dynamically cross-linking area and the first kneading zone among said zones comprises a screw with forward kneading disks having a minimum thickness (T.sub.min) of less than 13 mm per disk. Said method enables production of a thermoplastic elastomer composition of good quality regardless of the scale of production.

REFERENCES:
patent: 3806558 (1974-04-01), Fischer
patent: 4454092 (1984-06-01), Shimizu et al.
patent: 4594390 (1986-06-01), Abdou-Sabet et al.
patent: 5298211 (1994-03-01), Hamanaka et al.
patent: 5587434 (1996-12-01), McCullough et al.

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