Method for producing thermoplastic elastomer composition

Details Method for producing thermoplastic elastomer composition Method for producing thermoplastic elastomer composition

1992-12-03

1994-03-29

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

26433113, 264349, B29C 3504

Patent

active

052982114

ABSTRACT:
Provided is a method for producing a thermoplastic elastomer composition excellent in flexibility, mechanical properties and extrusion moldability which comprises directly feeding a particulate olefinic copolymer rubber (A) having a particle shape index .alpha. defined below of 0.1-0.9 and an olefinic plastic (B) to a continuous kneading extruder to carry out melt kneading and then, feeding an organic peroxide to downstream side of said extruder to carry out dynamic crosslinking:

REFERENCES:
patent: 4081502 (1978-03-01), Blumel et al.
patent: 4197381 (1980-04-01), Alia
patent: 4594390 (1986-06-01), Abou-Sabet
patent: 4663103 (1987-05-01), McCullough et al.
patent: 4897236 (1990-01-01), Rabiger et al.
Masanori Miyazawa, "Biaxial Screw Extruders: Functions and Applications of PCM", Plastics, vol. 41, No. 7, Jul. 1, 1990, (certified translation attached).

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