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Poly(ethylene oxide) is used to produce a biocompatible heat shrinkable sleeve with a low melting temperature ( < 60°C) for a sutureless vascular anastomosis system. The following properties of the polymer are reported: gel fraction, thermomechanical properties and swelting ratio. Results of a shelf-life study based on gel fraction tests are presented along with experimental efforts to modify the hydrophilic properties of the polymer surface by radiation induced grafting.
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Yang et al. (1985) studied this question.