Preparation and Properties of Castor Oil-Based Polyurethane/α-Zirconium Phosphate Composite Films

被引：7
作者：
Ma, Jun [1 ]
Liu, Changhua [1 ]
Li, Rui [1 ]
Zhu, Wu Lina [1 ]
Yang, Yajuan [1 ]
机构：
[1] Southwest Univ, Coll Chem & Chem Engn, Chongqing 400715, Peoples R China
来源：
JOURNAL OF APPLIED POLYMER SCIENCE | 2011年 / 121卷 / 03期
关键词：
alpha-zirconium phosphate (alpha-ZrP); castor oil-based polyurethane (PU); composite; interaction; mechanical property; MECHANICAL-PROPERTIES; HYDROLYTIC STABILITY; THERMAL-STABILITY; NANOCOMPOSITES; ELASTOMERS; MORPHOLOGY; BEHAVIOR; FOAMS; SIZE; MELT;
D O I：
10.1002/app.33669
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Novel castor oil-based polyurethane/alpha-zirconium phosphate (PU/alpha-ZrP) composite films with different alpha-ZrP loading (0-1.6 wt %) and different NCO/OH molar ratios were synthesized by a solution casting method. The characteristic properties of the PU/alpha-ZrP composite films were examined by Fourier transform infrared spectroscopy (FTIR), thermal gravimetric analysis (TGA), differential scanning calorimetry (DSC), X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), and tensile testing. The results from Fourier transform infrared spectroscopy indicated that strong intermolecular hydrogen bonding formed between alpha-ZrP and PU, XRD and SEM results revealed that the alpha-ZrP particles were uniformly distributed in the PU matrix at low loading, and obvious aggregation existed at high loading. Because of hydrogen bonding interactions, the maximum values of tensile strength were obtained with 0.6 wt % alpha-ZrP loading and 1.5 of NCO/OH molar ratio in the matrix. Evidence proved that the induced alpha-ZrP used as a new filler material can affect considerably the mechanical and thermal properties of the composites. (c) 2011 Wiley Periodicals, Inc. J Appl Polym Sci 121: 1815-1822, 2011
引用
收藏
页码：1815 / 1822
页数：8
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