Cationic polymerization of cyclic ethers

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From heterocyclic reactant containing as ring atoms oxygen,...

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528409, 528410, 528411, 528412, 528414, 528416, 528417, 568617, 568618, C08G 6510, C08G 6518, C08G 6520

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049887971

ABSTRACT:
Cyclic ethers having 4 and 5 member rings are polymerized with a alcohol initiator and an acid catalyst. The acid catalyst is used at a molar ratio relative to hydroxyl groups of the alcohol initiator of between about 0.05:1 and about 0.5:1.

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