A rheological study on non-rubber component networks in natural rubber
作者： Lili Xu , Cheng Huang , Mingchao Luo , Wei Qu , Han Liu
DOI: 10.1039/C5RA07428B
关键词:
摘要: Phospholipids and proteins were separately removed as the main non-rubber components to individually study their effect on structure properties of rubber. Fourier Transform Infrared Spectroscopy (FTIR) 1H nuclear magnetic resonance spectroscopy (1H-NMR) used characterize chemical residual component. A rheology stress relaxation measurements role that play in natural networks. rheological showed rubber (NR) deproteinized (DPNR) exhibited similar dynamic modulus at 170 °C. The lack superposition van Gurp–Palmen (vGP) curves different temperatures for NR DPNR, together with shape vGP curves, proved long chain branching was mainly constructed by phospholipids. Stress room temperature fitted Maxwell model curve underwent a quick decrease then came an equilibrium retention 58%, which is about 3 times higher than indicating contributed network temperature. Combining molecular studies, interaction phospholipids networks proposed.
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