Light stabilizer packages for partial paint applications

Details Light stabilizer packages for partial paint applications Light stabilizer packages for partial paint applications

1997-12-10

2000-04-18

Sanders, Kriellion

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524 99, 524102, 524359, C08K 534, C08K 507

Patent

active

060516372

ABSTRACT:
A light stabilizer package is disclosed. The light stabilizer package comprises a monomeric HALS having a pKa of no greater than 7, an ultraviolet light absorber and, optionally, a polymeric HALS having a pKa of less than 7. The light stabilizer package may be blended with a thermoplastic olefin to form a moldable light stable composition. An article comprising the moldable light stable composition may have an exterior surface that is at least partially coated.

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"Tinuvin.RTM. 440 UV Light Stabilizer for Acid Catalyzed Coatings", Ciba Geigy.
Dr. Robert L. Gray, "Recent Advances in Polyolefin Stabilizer Technology--A Novel Non-Reactive Hindered Amine Light Stabilizer".
Hans Zweifel, "Recent Progress in the Stabilization of Impact Modified PP".
Andrew Mar and Mark S. Holt, "Hindered Amino Ethers: A New Class of Radical Scavengers for Coatings," Feb., 1990.

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