Liquid segment polyurethane gel and couplers for ultrasonic diag

Details Liquid segment polyurethane gel and couplers for ultrasonic diag Liquid segment polyurethane gel and couplers for ultrasonic diag

1989-05-23

1990-10-30

Welsh, Maurice J.

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...

528 66, C08G 1810

Patent

active

049669532

ABSTRACT:
A one-component system polyurethane gel and a coupler for ultrasonic diagnostic probes comprising the same are disclosed. The gel is obtained by reacting a polyol having a room temperature liquid alkylene oxide chain and/or a polyurethane polyol prepolymer having a room temperature liquid alkylene oxide chain with a polyurethane polyisocyanate prepolymer having a room temperature liquid alkylene oxide chain. The gel causes no bleeding or evaporation of a dispersion medium and is therefore excellent in safety to the human body and preservation stability.

REFERENCES:
patent: 3905925 (1975-09-01), Veroloet

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