Thermoplastic polymer compositions containing melt-rheology modi

Details Thermoplastic polymer compositions containing melt-rheology modi Thermoplastic polymer compositions containing melt-rheology modi

1993-02-05

1994-10-04

Berman, Susan W.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

428 365, 525146, 525148, 264 464, 293102, 180 891, B29D 2200, B29D 2300, B32B 108

Patent

active

053525000

ABSTRACT:
Acrylic polymers having a minimum molecular weight of about 500,000, and preferably of about 1,500,000, are blended at levels of from 1 to 25% with thermoplastic resins to improve the melt rheology of the thermoplastic resins and facilitate blow molding, thermoforming, extrusion and similar processes.

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patent: 4257937 (1981-03-01), Cohen et al.
patent: 4263415 (1981-04-01), Liu
patent: 4327137 (1982-04-01), Sawa et al.
patent: 4544706 (1985-10-01), Finch et al.
patent: 4587298 (1986-05-01), Miller
patent: 4622363 (1986-11-01), Eichenauer et al.
patent: 4774289 (1988-09-01), Kress et al.
patent: 4883841 (1989-11-01), Riew et al.

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