Polymerization of alkylene oxides with aluminum alkyl–strong phosphoric acid–lewis base catalyst
1975
Polymerization of
epichlorohydrin(ECH) and copolymerization of
propylene oxide–
allyl glycidyl etherwere studied by using a catalyst consisting of aluminum alkyl–strong
phosphoric acid–Lewis base. This system showed high polymerization activity for alkylene oxides, and it was elucidated by x-ray diffraction analysis that the resultant ECH polymer was completely amorphous. The polymerization was presumed to be of the coordinated anionic type. The physical properties of the
vulcanizedpolymers were studied.
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