Process for preparing polyisobutylene oxide moldings of excellen

Details Process for preparing polyisobutylene oxide moldings of excellen Process for preparing polyisobutylene oxide moldings of excellen

1973-01-22

1976-02-03

Czaja, Donald E.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Reshaping running or indefinite-length work

260 2A, 260 2BP, 260 784EP, 260 80P, C08G 6504, C08G 6530

Patent

active

039365247

ABSTRACT:
Polyisobutylene oxide polymer moldings containing 70 wt. % or more of isobutylene oxide, are prepared by heating the polymer to a temperature above 170.degree.C and then quickly cooling the same by contacting it with a coolant to obtain crystalline resin having a diffraction peak at about 2.theta.=12.degree. in the X-ray diffraction pattern of the resin.

REFERENCES:
patent: 3354097 (1967-11-01), Vandenberg
patent: 3374277 (1968-03-01), Vandenberg
patent: 3509074 (1970-04-01), Kamio et al.

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