Polyolefin compositions containing trialkanolamines

Details Polyolefin compositions containing trialkanolamines Polyolefin compositions containing trialkanolamines

1988-08-04

1989-08-22

Kight, John

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524450, 523116, 585 12, 502113, 5253337, 525373, 525366, 525380, C08F 242, C08F 1002, C08F 464

Patent

active

048597333

ABSTRACT:
A method is disclosed for the reduction of the extractability of trialkanolamines from polyolefins containing such compounds e.g. as a result of the use of trialkanolamines as catalyst deactivators in processes for the polymerization of olefins. Zinc oxide and/or zeolite molecular sieves are incorporated into the polyolefin, either during the process for the manufacture of the polyolefin or subsequent to such manufacture. Zinc oxide may be used in amount of 0.01-4 parts by weight and zeolite molecular sieves in amounts of 0.05-1 parts by weight, per 100 parts of polyolefin. The resultant compositions may be more acceptable for use in the fabrication of articles intended for the packaging of e.g. foodstuffs.

REFERENCES:
patent: 41248 (1983-06-01), Zboril et al.
patent: 3773743 (1973-11-01), Ainsworth et al.
patent: 4454270 (1984-06-01), Kolodchin et al.
patent: 4547473 (1985-10-01), Hamilton et al.
patent: 4711923 (1987-12-01), Zboril
patent: 4777229 (1988-10-01), Zboril et al.

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