The surface modification of medical grade polyvinylchloride (pvc) from various sources with the ionic bonding of polyelectrolyte is investigated by exposing thepvc sheets to 1% zephiran chloride for 10 min and then to 50 mg% solution of polyelectrolyte for 10 min. Surface energy and platelet adhesion studies were carried out to demonstrate the suitability of our improved surface towards blood compatibility. Relative changes due toγ-irradiation are also discussed.
Volume 42 | Issue 6
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