article·2014-01-01

Stability of polypyrrole/polyester monofilament

Yin Chen

Abstract

In order to enhance polyester monofilament cytocompatibility and to meet the need of artificial hair implantation,PPy /PET monofilaments were prepared by liquid in-situ polymerization.The biostability,thermostability and wearability were tested.The results showed that PPy /PET filaments had better stability in the papain solution and the rise of temperature could accelerate the degradation.The content of N elements,tensile strength and breaking elongation decreased with the increase of degradation period caused by PPy spalling and surface structure change.The addition of PPy improved thermostability of PET,and the PPy /PET monofilaments subjected to alkali treatment had better wearability.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Electrospun Nanofibers in Biomedical Applications · Tribology and Wear Analysis · Conducting polymers and applications

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