A poly-ether-urea-urethane was synthesized by copolymerization of 4,4'-diphenylmethanediisocyanate (MDI), propanediamine, and poly-oxytetra-methylene glycol (M.W. 1000). Two other corresponding copolymers were also synthesized by adding amino terminated poly-amidoamine macromonomers, purposely synthesized, so as to insert relatively small amounts (6 and 15 weight %) of two types of poly-amidoamine segments in the final product. Of the three copolymers several physicochemical and mechanical properties have been determined, and their heparin adsorption ability, blood compatibility, and cytotoxicity evaluated

Heparinizable segmented polyurethanes containing poly-amidoamine blocks

TANZI, MARIA CRISTINA;LEVI, MARINELLA
1989-01-01

Abstract

A poly-ether-urea-urethane was synthesized by copolymerization of 4,4'-diphenylmethanediisocyanate (MDI), propanediamine, and poly-oxytetra-methylene glycol (M.W. 1000). Two other corresponding copolymers were also synthesized by adding amino terminated poly-amidoamine macromonomers, purposely synthesized, so as to insert relatively small amounts (6 and 15 weight %) of two types of poly-amidoamine segments in the final product. Of the three copolymers several physicochemical and mechanical properties have been determined, and their heparin adsorption ability, blood compatibility, and cytotoxicity evaluated
1989
Polyurethanes; heparin adsorption; poly-amidoamine blocks
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11311/667673
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