Polyalkylene oxide having unsaturated end group and narrow molec

Details Polyalkylene oxide having unsaturated end group and narrow molec Polyalkylene oxide having unsaturated end group and narrow molec

1988-03-14

1990-02-27

Briggs, Sr., Wilbert J.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

528416, 528421, 560224, 568616, C08F28306, C07C 6952, C08G 6512

Patent

active

049047450

ABSTRACT:
A polyalkylene oxide having unsaturated end groups. The polymer has a distribution of molecular weight Mw/Mn of not more than 1.5, and a process for the same. The polymer is useful as rubber materials, and can provide cured rubber having an excellent elongation.

REFERENCES:
patent: 3951888 (1976-04-01), Isayama et al.
patent: 4256904 (1981-03-01), Riew
patent: 4393199 (1983-07-01), Manser
patent: 4654417 (1987-03-01), Inoue et al.
patent: 4722978 (1988-02-01), Yu
patent: 4774356 (1988-09-01), Inoue et al.
Aida, et al., "Polymerization of Epoxides Catalysed by Metallaporphine" Makromol. Chem. vol. 182 pp. 1073-1079 (1981).

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