Polymer/polyols from high ethylene oxide content polyols

Details Polymer/polyols from high ethylene oxide content polyols Polymer/polyols from high ethylene oxide content polyols

1976-07-06

1978-11-14

Rzucidlo, Eugene C.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260859R, 260898, 526209, C08K 506

Patent

active

041255054

ABSTRACT:
Poly (oxypropylene-oxyethylene) polyols containing predetermined amounts of both internal and cap ethylene oxide are employed to form polymer/polyols which exhibit enhanced compatibility for low molcular weight chain extenders such as, for example, ethylene glycol and butanediol. Polyurethane elastomers having satisfactory modulus characteristics are prepared from the polymer/polyol-chain extender mixture, and the resulting elastomers possess unexpected hydrolytic stability.

REFERENCES:
patent: 3823201 (1974-07-01), Pizzini et al.
patent: 3983094 (1976-09-01), O'Shea
Journal of Cellular Plastics, Mar./Apr. 1972, pp. 90-99, Powell et al.
Advances in Urethane Science and Technology, vol. 3, 1974, pp. 108-129, Fabres.
Journal of Cellular Plastics, Sep./Oct. 1973, pp. 219-225, Hogan et al.

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