Stabilized polyolefin resin composition

Details Stabilized polyolefin resin composition Stabilized polyolefin resin composition

1991-03-22

1992-01-14

Hoke, Veronica P.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524102, 524304, 524399, 524451, C08K 536

Patent

active

050811703

ABSTRACT:
The present invention provides a stabilized polyolefin resin composition having improved resistances to oxidation and to weather which is prepared by adding (a) a phenol antioxidant, (b) a sulfur antioxidant, (c) a hindered amine light stabilizer and (d) an aliphatic monocarboxylate of a metal belonging to the group Ia or IIb to a polyolefin resin containing an inorganic filler.

REFERENCES:
patent: 4590231 (1986-05-01), Seltzer et al.
patent: 4703073 (1987-10-01), Winter et al.
patent: 4812500 (1989-03-01), Hayden
Kazumi, Kikkawa et al "Antagonism Between Hundered Amine Stabilizers and Sulfur-Containing Compounds" Polymer Degradation and Stability 18(1987) pp. 237-245.
Stephen W. Bigger et al, "The Effect of Hindered Amine Light Stabilizers on the Photooxidative Stability of High Density Polyethylene" J. Polymer Science: Part A: Polymer Chemistry, 27, 63-73 (1989).

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