Method for analysis of additives in polyolefins

Details Method for analysis of additives in polyolefins Method for analysis of additives in polyolefins

1980-09-17

1986-03-18

Turk, Arnold

Chemistry: analytical and immunological testing

Synthetic or natural resin

422 70, 422101, 436111, 436128, 436161, 436177, G01N 3014, G01N 3344

Patent

active

045769176

ABSTRACT:
A process is provided for the analysis of additives in polyolefins involving dissolving the polyolefin in decalin and subsequently precipitating the polymer, isolating a portion of the extract and measuring the additives therein. Apparatus for use in the process are also disclosed.

REFERENCES:
patent: 4059020 (1977-11-01), Avakian
Analysis of Stabilizers and Antioxidants in Plastics; M. J. Telepchak, Apr. 1974, Perkin-Elmer Liq. Chrom. Applic. Study 37.
Swarin et al., J. of Applied Polymer Sci., vol. 19, pp. 1243-1256 (1975).
Lichtenthaler et al., J. Chromatogr., 1978, 149, 533.
Scott et al., Eur. Poly. J., vol. 16, pp. 497-501, 1980.

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