@inproceedings{1df7292d93354102872ac44242f55586,
title = "Thermoplastic polyurethane/polylactic acid tissue scaffold fabricated by twin screw extrusion and microcellular injection molding",
abstract = "Polylactic acid (PLA) and thermoplastic polyurethane (TPU) are two kinds of biocompatible and biodegradable polymers that can be used in biomedical applications. They possess rigid and flexible mechanical properties. The TPU/PLA blend tissue scaffolds at different ratios were fabricated via twin screw extrusion and micro-cellular injection molding techniques (a. k. a. MuCell) for the first time. Multiple test methods were used in this study. Fourier transform infrared spectroscopy (FTIR) verified the presence of the two components in the blends. Differential scanning calorimetry (DSC) and dynamic mechanical analysis (DMA) confirmed the immiscibility between TPU and PLA. Scanning electron microscopy (SEM) images affirmed that the PLA was dispersed as spheres or islands inside the TPU matrix, and that the phase morphology further influenced the surface roughness of cells. The blends exhibited a wide range of mechanical properties that cover most human tissue requirements. It was found from DMA and viscosity tests that 25% PLA significantly reinforces the blends at low temperatures or deformation frequencies.",
author = "Mi, {Hao Yang} and Xin Jing and Brianna Jacques and Turng, {Lih Sheng} and Peng, {Xiang Fang}",
year = "2013",
language = "英语",
isbn = "9781632665300",
series = "Annual Technical Conference - ANTEC, Conference Proceedings",
publisher = "Society of Plastics Engineers",
pages = "1610--1614",
booktitle = "71st Annual Technical Conference of the Society of Plastics Engineers 2013, ANTEC 2013",
address = "美国",
note = "71st Annual Technical Conference of the Society of Plastics Engineers 2013, ANTEC 2013 ; Conference date: 22-04-2013 Through 24-04-2013",
}