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Int. J. Mol. Sci. 2017, 18(10), 2041; doi:10.3390/ijms18102041

Poly(Lactic Acid) Blends with Poly(Trimethylene Carbonate) as Biodegradable Medical Adhesive Material

Engineering Research Center of Biopolymer Functional Materials of Yunnan, Yunnan Minzu University, Kunming 650500, China
These authors contributed equally to this work.
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Received: 16 August 2017 / Revised: 12 September 2017 / Accepted: 13 September 2017 / Published: 28 September 2017
(This article belongs to the Special Issue Novel Biomaterials for Tissue Engineering 2017)
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Abstract

A novel medical adhesive was prepared by blending poly(lactic acid) (PLA) with poly(trimethylene carbonate) (PTMC) in ethyl acetate, and the two materials were proven to be biodegradable and biocompatible. The medical adhesive was characterized by 1H nuclear magnetic resonance (1HNMR), gel permeation chromatography (GPC), scanning electron microscopy (SEM) and differential scanning calorimetry (DSC). The water vapor transmission rate (WVTR) of this material was measured to be 7.13 g·cm−2·24 h−1. Its degree of comfortability was confirmed by the extensibility (E) and the permanent set (PS), which were approximately 7.83 N·cm−2 and 18.83%, respectively. In vivo tests regarding rabbit immunoglobulin M (IgM), rabbit immunoglobulin G (IgG), rabbit bone alkaline phosphatase (BALP), rabbit interleukin 6 (IL-6), rabbit interleukin 10 (IL-10), rabbit tumor necrosis factor α(TNFα), glutamic-oxaloacetic transaminase (AST/GOT), glutamic-pyruvic transaminase (ALT/GPT), alkaline phosphatase (AKP), blood urea nitrogen (BUN) and creatinine (Cr) indicated that the PLA-PTMC medical adhesive was not harmful to the liver and kidneys. Finally, pathological sections indicated that PLA-PTMC was more effective than the control group. These data suggest that in addition to having a positive effect on hemostasis and no sensibility to wounds, PLA-PTMC can efficiently prevent infections and has great potential as a medical adhesive. View Full-Text
Keywords: Poly(Lactic Acid)-Poly(Trimethylene Carbonate); medical adhesive; avoid infection; hemostasis Poly(Lactic Acid)-Poly(Trimethylene Carbonate); medical adhesive; avoid infection; hemostasis
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MDPI and ACS Style

Zhang, S.; Li, H.; Yuan, M.; Yuan, M.; Chen, H. Poly(Lactic Acid) Blends with Poly(Trimethylene Carbonate) as Biodegradable Medical Adhesive Material. Int. J. Mol. Sci. 2017, 18, 2041.

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