Fluorinated polyetherurethanes and medical devices therefrom

Details Fluorinated polyetherurethanes and medical devices therefrom Fluorinated polyetherurethanes and medical devices therefrom

1989-03-20

1990-06-19

Welsh, Maurice J.

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

Synthetic resins

From silicon reactant having at least one...

623 11, 623 12, 623 15, 623 16, C08L 7504

Patent

active

049354809

ABSTRACT:
Non-blocking, hemocompatible, thermoplastic, fluorinated polyetherurethanes and a method for their preparation from fluorinated polyether glycols, isocyanates, chain extenders and a non-fluorinated polyol. The method includes two steps in which the fluorinated glycol is reacted initially with the diisocyanate to give a prepolymer having terminal isocyanate groups, and the prepolymer is then reacted with the extender and non-fluorinated polyol. Medical devices are fabricated from the fluorinated polyetherurethane.

REFERENCES:
patent: 4098742 (1978-07-01), Mueller

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