Process for the crystallization of high polymers in the presence

Details Process for the crystallization of high polymers in the presence Process for the crystallization of high polymers in the presence

1983-12-22

1985-05-21

Schofer, Joseph L.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524287, 524292, 524450, 252182, C08K 542

Patent

active

045187312

ABSTRACT:
The kinetics of crystallization of high polymers from the molten state is modified by adding to the polymers before the thermoforming step low amounts of a nucleating agent consisting of solid particles of crystalline zeolites treated with high-boiling acrylcarboxylic acid or sulphonic acid.

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patent: 3327021 (1967-06-01), Binsbergen
patent: 3367926 (1968-02-01), Voeks
patent: 3517086 (1970-06-01), Shirayama et al.
patent: 4006037 (1977-02-01), Tirpak et al.
patent: 4124562 (1978-11-01), Yui et al.
patent: 4134847 (1979-01-01), Oda et al.
patent: 4250081 (1981-02-01), Bode et al.
patent: 4440889 (1984-04-01), Hergenrother et al.
Environmental Science & Technology, by Savitsky et al., vol. 15, No. 10, Oct. 1981, pp. 1191-1196.
Journal of Applied Polymer Science, by Beck, H. N., vol. II, pp. 673-685 (1967).
LexPat Search--by Examiner--4/20/84.

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