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引用次数: 2
摘要
食用包装材料在制药工业中有着广泛的应用。在本研究中,研究了一种基于普鲁兰(PUL)和羧甲基纤维素(CMC)的新型食用膜的物理、热、颜色、机械和防水性能。采用溶液浇铸法,用3 g总固体含量。使用以下百分比100/0、75/25、50/50、25/75和0/100来制备膜。利用傅立叶变换红外光谱(FTIR)、X射线衍射(XRD)、扫描电子显微镜(SEM)和热重分析(TGA)分析了PUL与CMC之间的相互作用。在PUL的75/25%的水平上,CMC膜显示出最低的EAB%(5.55%),TS的最高值(17.30 MPa),WVP值(4.12×10−10 g m-1s-1Pa-1),水接触角为63.43°。随着CMC浓度的增加,共混膜呈微绿色和淡黄色,但呈现透明,具有紫外线阻挡能力。本研究表明,75/25(PUL/CMC)共混膜具有良好的潜力,可用于生产可食用包装膜,以保护具有有趣规格的药品的质量。
Development and Characterization of Pullulan-Carboxymethyl Cellulose Blend Film for Packaging Applications
Edible packaging materials have widespread applications in pharmaceutical industries. In this study, the physical, thermal, colour, mechanical, and water barrier properties of a novel edible film based on pullulan (PUL) and carboxymethyl cellulose (CMC) were investigated. The blend films were made by the solution casting method with 3 g of total solid content. The following percentages of 100/0, 75/25, 50/50, 25/75, and 0/100 were used to prepare the films. Fourier transform infrared (FTIR) spectroscopy, X-ray diffraction (XRD), scanning electron microscopy (SEM), and thermogravimetric analysis (TGA) were used to analyze the interaction between PUL and CMC. At the level of 75/25 percentage of PUL, CMC film showed the lowest EAB% (5.55%), the highest values for TS (17.30 MPa), WVP value (
4.12
×
10
−
10
g m-1s-1Pa-1), and water contact angle of 63.43°. By increasing the CMC concentration, blend films became slightly greenish and yellowish but appeared transparent with UV blocking ability. This study reveals that 75/25 (PUL/CMC) blend film has a good potential that can be used in producing edible packaging films to protect the quality of pharmaceutical products with interesting specifications.
期刊介绍:
The International Journal of Polymer Science is a peer-reviewed, Open Access journal that publishes original research articles as well as review articles on the chemistry and physics of macromolecules.