一种新型离子聚合物-金属复合材料的制备

2007 2nd IEEE International Conference on Nano/Micro Engineered and Molecular Systems Pub Date : 2007-04-23 DOI:10.1109/NEMS.2007.352102

Li-jun Dai, Yujun Zhang, H. Zhou, Lei Li, Hongwei Duan

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引用次数: 2

摘要

合成了甲苯-2,4-二异氰酸酯交联的磺化乙烯-乙烯醇共聚物(EVOH-SO3K)的离聚体(EVOH-SO3K)，并通过在EVOH-SO3K膜表面化学沉积制备了基于EVOH-SO3K的离子聚合物-金属复合材料(IPMC)。FTIR光谱通过引入S=O拉伸振动的1264cm-1(不对称拉伸振动)和1022cm-1(对称拉伸振动)两个特征峰，证实了so3基团的磺酸改性;在1190cm-1处引入由-OH与甲苯-2,4-二异氰酸酯(TDI)之间酰胺化的C-O-C伸缩振动引起的带进行交联改性;扫描电子显微镜(SEM)显示，银基电极均匀地沉积在离聚体表面。性能测试表明，在3V电压作用下，经三次化学沉积，IPMC表面电阻可达0.8 ω /mm2，变形角度可达36度。

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Preparation of a New Ionic Polymer-metal Composite

The ionomer of sulfonated ethylene vinyl alcohol copolymers (EVOH-SO3K) crosslinked by toluene-2,4-diisocyanate (EVOH-SO3K) was synthesized and ionic polymer-metal composites (IPMC) based on EVOH-SO3K was produced through electroless deposition of argentum onto the surfaces of EVOH-SO3K membrane. FTIR spectroscopy confirmed sulfonic modification by introduction of two characteristic peaks at 1264cm-1 (asymmetric stretching vibration) and 1022cm-1 (symmetric stretching vibration) of the S=O stretch vibration in the SO3-group respectively; and the crosslinking modification through introduction of the bands at 1190cm-1 which is attributed to the C-O-C stretching vibration of amidation between -OH and toluene-2,4-diisocyanate(TDI); scanning electron microscopy (SEM) showed the electrode based on argentum is deposited uniformly on the surface of ionomer. Performance tests showed IPMC with the surface resistance of 0.8Omega/mm2 could be deformed under 3V applied voltage through three time chemical deposition, and the deformation angle could reach to 36deg.

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2007 2nd IEEE International Conference on Nano/Micro Engineered and Molecular Systems

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