Fluorochemical foam stabilizer and foamed polyurethanes made the

Details Fluorochemical foam stabilizer and foamed polyurethanes made the Fluorochemical foam stabilizer and foamed polyurethanes made the

1980-12-22

1982-10-26

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521115, 521116, 521164, 521174, C08G 1814

Patent

active

043562736

ABSTRACT:
Active hydrogen-containing fluorochemical is used as a foam stabilizer in preparing polyurethane foams. For example, rigid or flexible polyurethane foams with high or low density and uniform cellular structure are prepared using fluoroaliphatic radical-substituted poly(oxyalkylene) polyols as foam stabilizers.

REFERENCES:
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patent: 3419532 (1968-12-01), Jackson
patent: 3423339 (1969-01-01), Andrews et al.
patent: 3746742 (1973-07-01), Schuierer et al.
patent: 3880782 (1975-04-01), Rambosek
patent: 3952075 (1976-04-01), Nakamura et al.
patent: 4065630 (1977-12-01), Sandler
J. Am. Chem. Soc., 49, 3181 (1927).
Polyurethanes: Chemistry and Technology, Saunders and Frisch, Interscience Publishers (1962) Part I, pp. 63-72, 240, 241, 244, 245-249; Part II, pp. 1, 43, 44, 45, 67, 68, 69, 200, 204, 205, 206, 207, 208, 209, 210, 219, 220.
Handbook of Foamed Plastics by Bender, Lake Publ. Corp. (1965), pp. 133, 134, 137, 164, 177, 178, 180, 181, 182, 183, 184, 186, 190, 191, 198, 207, 208, 214, 215.

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