Mixtures of extenders and polyols or polymer/polyols useful in p

Details Mixtures of extenders and polyols or polymer/polyols useful in p Mixtures of extenders and polyols or polymer/polyols useful in p

1978-08-10

1980-10-07

Welsh, Maurice J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

252182, 526209, C08K 506

Patent

active

042267560

ABSTRACT:
The invention provides a polyol-chain extender mixture consisting of (1) a poly(oxypropylene-oxyethylene) polyol having a hydroxyl number of from about 20 to 60, an oxyethylene cap of from about 10 to 30 weight percent and an internal oxyethylene content of from about 30 to 60 weight percent and (2) ethylene glycol,
The invention also provides polymer/polyoly-chain extender mixtures wherein the polyol-chain extender is as aforesaid.

REFERENCES:
patent: Re28715 (1976-02-01), Stamberger
patent: 3523093 (1970-08-01), Stamberger
patent: 3823201 (1974-07-01), Pizzini et al.
patent: 3931092 (1976-01-01), Ramlow et al.
patent: 3933937 (1976-01-01), Rhodes et al.
patent: 3983094 (1976-09-01), O'Shea
J. of Cellular Plastics, Mar./Apr., 1972 pp. 90-99, Powell et al.
Fabris, Advances in Urethane Science & Technology, vol. 3, 1974, pp. 108-129.
Hogan et al., J. of Cellular Plastics, Sep./Oct., 1973, pp. 219-225.

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