Abstract
Poly( N-alkyl mono and disubstituted) acrylamide derivatives were synthesized from poly(acryloyl chloride) by monomer analogous reaction. The polymers were characterized by FTIR-ATR and GPC. The contact angle measurements were performed to evaluate hydrophobic/hydrophilic characters of these polymers. The N-alkyl substituents changed contact angle between 55 and 75°. In vitro platelet adhesion studies showed that surfaces of poly( N-alkyl substituted) acrylamides are prone to adhere platelets. Platelet spreading was more on poly( N-benzyl- N-ethyl acrylamide) surfaces in comparison to that on poly( N-benzyl- N-propionic acid ethyl ester acrylamide) and poly( N-benzyl acrylamide) surfaces. As a result of modification of amino group with N-alkyl substituents, the activations of C3a and C5a complements were suppressed 9–20% and 5–6% of native poly(acrylamides), respectively.
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