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Transcrystalline induced by MWCNTs and organic nucleating agents at the interface of glass fiber/polypropylene

机译：MWCNTS和有机成核剂在玻璃纤维/聚丙烯界面处诱导的经晶体

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The interfacial crystallization at glass fiber/PP interface in the presence of multiwalled cabon nanotubes (MWCNTs) and organic nucleating agents (NAs) along fiber surface was investigated in this study. MWCNTs and NAs formed a uniform coating layer on glass fiber surface via dipping in well-dispersed MWCNTs and NAs aqueous dispersions. Transcrystalline (TC) structure formed by the strong nucleating ability of MWCNTs/NAs coated glass fiber surface. There existed a detectable difference in TC structure induced by coated glass fiber with different surface components. We found that a more sufficient and higher density transcrystalline (TC) structure can be constructed by introducing MWCNTs in combination with sodium benzoate (SB) or TMB-5 onto fiber surface. Interfacial adhesion was evaluated by interfacial shear strength (IFSS) and morphologies at interfacial region after microdroplet test. The result shows that the MWCNTs/NAs coated glass fiber relates to better interfacial adhesion indicating that enhanced interfacial adhesion derives from the sufficient and high density TC structure induced by MWCNTs and NAs. Our current work provides an effective pathway to construct TC structure and further enhances interfacial adhesion of glass fiber/polypropylene composites. POLYM. COMPOS., 39:3424-3433, 2018. (c) 2017 Society of Plastics Engineers
机译：在本研究中研究了沿纤维表面存在多壁的Cabon纳米管（MWCNT）和有机成核剂（NAS）存在的玻璃纤维/ PP界面的界面结晶。 MWCNT和NAS在玻璃纤维表面上形成均匀的涂层，浸入分散的MWCNT和NAS水分散体中。通过强大的MWCNT / NAS涂覆玻璃纤维表面形成的经晶（TC）结构形成。具有不同表面组分的涂覆玻璃纤维诱导的TC结构的可检测差异。我们发现，通过将MWCNT与苯甲酸钠（Sb）或TMB-5组合引入纤维表面，可以通过将MWCNT与纤维表面组合引入更高的密度和更高密度的经晶（TC）结构。通过界面剪切强度（IFSS）和微透射仪测试后的界面剪切强度（IFS）和形态评估界面粘附。结果表明，MWCNT / NAS涂覆的玻璃纤维涉及更好的界面粘附，表明增强的界面粘附来自MWCNT和NAS诱导的足够和高密度的TC结构。我们目前的工作提供了一种有效的途径来构建TC结构，进一步提高玻璃纤维/聚丙烯复合材料的界面粘附。聚合物。 Compos。，39：3424-3433,2018。（c）2017塑料工程师协会

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