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Biodegradable polymer blends for medical applications

机译：用于医疗应用的可生物降解的聚合物共混物

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Biodegradable polymers are used in medical applications, among many reasons, because of their history of biocompatibility. In this report an attempt has been made to establish the structure created by reactive processing of poly (caprolactone) and Easter 14766 with dicumyl peroxide (DCP). Results showed that PCL quantitatively formed tetra-functional branches while the Easter 14766 formed a combination of tri and tetra-functional branch points. The Easter 14766 was also shown to be more reactive than the PCL, with half as much DCP being required to achieve equivalent amounts of branching. Both Easter 14766 and PCL displayed typical branching behavior with increase in melt elasticity and zero shear viscosity. Easter 14766 showed a little improvement in mechanical properties. However, studies showed PCL to be insensitive to branching.
机译：由于他们的生物相容性史，可生物降解的聚合物在医疗应用中使用了医学应用。在本报告中，已经尝试建立由聚（己内酯）和复活节14766与二焦基（DCP）的反应加工产生的结构。结果表明，PCL定量形成了四官能分支，而复活节14766形成了TRI和TETRA-官能分支点的组合。复活节14766也显示出比PCL更反应，并且需要一半的DCP来实现等同的分支。复活节14766和PCL两者都以熔体弹性和零剪切粘度的增加显示典型的分支行为。复活节14766在机械性能方面表现出稍微改善。然而，研究显示PCL对分支不敏感。

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