Synergistic co-nucleants for butene-1 polymer compositions

Details Synergistic co-nucleants for butene-1 polymer compositions Synergistic co-nucleants for butene-1 polymer compositions

1982-02-01

1982-11-16

Seccuro, Carman J.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

525240, 524528, C08L 2320, C08L 2306, C08K 520

Patent

active

043595448

ABSTRACT:
The crystallization from the melt of an isotactic butene-1 homopolymer composition, isotactic butene-1-ethylene copolymer or isotactic butene-1-propylene copolymer composition is promoted by adding a small amount of stearamide and high density polyethylene as nucleating agents. The two nucleating agents cooperate in a synergistic fashion, resulting in much faster processing rates.

REFERENCES:
patent: 3733373 (1973-05-01), McConnell et al.
patent: 3756997 (1973-09-01), Eichers et al.
patent: 4322503 (1982-03-01), Chatterjee et al.

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