Polypropylene formulations containing small amounts of fluoborat

Details Polypropylene formulations containing small amounts of fluoborat Polypropylene formulations containing small amounts of fluoborat

1989-09-25

1991-04-09

Hoke, Veronica P.

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...

524100, 524101, 524102, 524103, 524104, C08K 53435

Patent

active

050065874

ABSTRACT:
A polypropylene composition which demonstrates good color stability and water carry-over properties comprises polypropylene containing a hindered amine light stabilizer and about 0.01 to about 0.5 wt. % of a fluoborate salt. Ammonium fluoborate, sodium fluoborate and potassium fluoborate are particularly useful.

REFERENCES:
patent: 2842510 (1958-07-01), Robertson
patent: 3239482 (1966-03-01), Rapp
patent: 3287312 (1966-11-01), Ling
patent: 3376253 (1968-04-01), Burnthall et al.
patent: 3635866 (1972-01-01), Seger
patent: 3730940 (1973-05-01), Versnel et al.
patent: 3730942 (1973-05-01), Green et al.
patent: 3909489 (1975-09-01), Callander
V. Ya. Shlyapintokh and V. B. Ivanov, "Antioxidant Action of Sterically Hindered Amines and Related Compounds"--Developments in Polymer Stabilization-5, G. Scott, pp. 41-70 (1982).
Crystalline Olefin Polymers-Part II, 131-144, 148-151, 464, 465 and 467-R. A. Raff & K. W. Doak, editors (1965).
Xun-Zhuan Yang et al; "Mechanism of . . . Hindered Amines", Polymer Degradation & Stability 20 (1988) 1-35.

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