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首页> 外文期刊>Polymer: The International Journal for the Science and Technology of Polymers >Aggregation structure and molecular motion of (glass-fiber/matrix nylon 66)interface in short glass-fiber reinforced nylon 66 composites
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Aggregation structure and molecular motion of (glass-fiber/matrix nylon 66)interface in short glass-fiber reinforced nylon 66 composites

机译：短玻璃纤维增​​强尼龙66复合材料中（玻璃纤维/尼龙66）界面的聚集结构和分子运动

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摘要

Aggregation structure and thermal molecular motion of an adhered polymer layer ona glas-fiber (GF) surface after a removal of nylon 66 from a short glass-fiber reinforced nylon 66 were studied on the basis of photoacoustic spectroscopy-infrared spectroscopy(PAS-IR0,pyrolysis-gas chromatography (Py-GC),X-ray photoelectron spectroscopy(XPS)and scanning viscoelasticity microscopy(SVM)PASIR,Py-GC and XPS measturements of the GF surface showed the presence of strongly adhered nylon 66 layer on the surface of aminosilane-treated GF.The galss tansition temperature,T_g,of the adhered nylon 66 layer on the glass-fiber surface was directly evaluated on the basis of SVM measurement.In thecase of theGF reated with anaminosilane coupling agent and a sizing agent,the magnitude of T_g at the(GFylon 66) interfacial layer was higher than that of the matrix nylon 66 due tothe effective restriction of thermal molecular motion of nylon 66 at the (GFylon 66) interfacial layer.It is reasonable to consider that the sizing agent affects the strong interfacial interaction between a glass-fiber surface and matrix nylon 66 with covalent bond formation accompanying the network structure formation.
机译：基于光声光谱-红外光谱（PAS-IR0），研究了从短玻璃纤维增​​强尼龙66中去除尼龙66后，玻璃纤维（GF）表面上粘附的聚合物层的聚集结构和热分子运动。热解气相色谱仪（Py-GC），X射线光电子能谱仪（XPS）和扫描粘弹性显微镜（SVM）氨基硅烷处理的GF。根据SVM测量直接评估玻璃纤维表面上粘附的尼龙66层的玻璃化转变温度T_g。在使用氨基硅烷偶联剂和上浆剂处理的GF的情况下，其大小（GF /尼龙66）界面层的T_g比基体尼龙66高，这是由于（GF /尼龙66）界面层的尼龙66的热分子运动受到有效限制的缘故。上浆剂以伴随网络结构形成的共价键形成影响玻璃纤维表面与基质尼龙66之间的强界面相互作用。

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