Abstract
Surface modification of medical PVC by remote oxygen plasma has been studied: surface structure and performance of treated material are analyzed by weight loss rate, contact angle measurement and XPS. With the increase of sample distance from the plasma source, weight loss rate drops, electrons and ions and etching action are restrained; and C=O groups are found in the treated PVC surface. The surface wettability of PVC film can be improved by remote low-temperature plasma and the radical reaction is intensified.
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