Rapid phase transformation for polybutene-1

Details Rapid phase transformation for polybutene-1 Rapid phase transformation for polybutene-1

1978-04-06

1980-02-05

Levin, Stanford M.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

5263486, 528493, 528494, 528496, 528497, 528498, 528499, 528503, C08F 600

Patent

active

041871588

ABSTRACT:
Polybutene-1 in type II form can be accelerated in a phase transformation to the stable polybutene-1 type I form by applying a volatile solvent such as n-hexane and allowing the solvent to evaporate. The phase transformation can be accelerated by additional treatment with heat below the melt temperature of about 90.degree. C. and/or ultrasonic sound.

REFERENCES:
patent: 3499884 (1970-03-01), Wood
patent: 3558551 (1971-01-01), Gilbert et al.
Journal of Pol. Sci., A, 3, pp. 3803-3813 (1965), I. D. Rubin.
Journal of Pol. Sci., 62 (174) pp. S70-S73 (1962).
Journal of Pol. Sci., B, 1(11), pp. 587-591 (1963).

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