Linear polyethylenes stabilized against melt index drop with aro

Details Linear polyethylenes stabilized against melt index drop with aro Linear polyethylenes stabilized against melt index drop with aro

1984-12-24

1986-04-01

Schofer, Joseph L.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524169, 524581, C08K 543

Patent

active

045798982

ABSTRACT:
The drop in melt index observed when linear polyethylenes are melt processed is reduced by adding a small amount, e.g., about 0.01 to 2 weight percent of an aromatic sulfonhydrazide such as p-toluenesulfonhydrazide.

REFERENCES:
patent: 3107229 (1963-10-01), Malz et al.
patent: 3278482 (1966-10-01), Leandri
patent: 4031068 (1977-06-01), Cantor
patent: 4418170 (1983-11-01), Van Gentzkow et al.
patent: 4452855 (1984-06-01), Brodsky et al.
"Diimide as a reagent for the Hydrogenation of Unsaturated Polymers"; by Harwood et al., Die Makromolekulare Chemie 163 (1973); pp. 1-12. _
"Hydrogenation of Unsaturated Polymers With Diimide"; by Mango et al., Die Makromolekulare Chemie 163 (1973); pp. 13-36.

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