Fluorinated polyurethanes containing polyoxyperfluoro-alkylene b

Details Fluorinated polyurethanes containing polyoxyperfluoro-alkylene b Fluorinated polyurethanes containing polyoxyperfluoro-alkylene b

1986-02-12

1988-11-01

Hoke, Veronica P.

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

Synthetic resins

From reactant having at least one -n=c=x group as well as...

149 194, C08G 1832

Patent

active

047821302

ABSTRACT:
Fluorinated polyurethanes, having improved mechanical characteristics and a glass transition temperature lower than -80.degree. C., containing polyoxyperfluoroalkylene blocks deriving from perfluoropolyethers having hydroxylated end groups and/or from perfluoropolyethers having isocyanate end groups and furthermore units deriving from an aromatic or a cycloaliphatic diol.

REFERENCES:
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patent: 3304334 (1967-02-01), Jones
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patent: 3385901 (1968-05-01), Tamborski et al.
patent: 3574770 (1971-04-01), Stump et al.
patent: 3755265 (1973-08-01), Fletcher et al.
patent: 3810874 (1974-05-01), Mitsch et al.
patent: 3849504 (1974-11-01), Mitsch
patent: 3972856 (1976-08-01), Mitsch et al.
patent: 4365099 (1982-12-01), Faler et al.

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