含胺基奈米雲母之水性PU合成行玻纖織物塗佈加工之研究

Synthesis of Nano Mica contained Water-Borne Polyurethane for Glass Fabrics

蔡嘉峰(Chia-Feng Tsai)

指導教授 ： 張淑美

國立臺北科技大學/工程學院/有機高分子研究所/碩士(2011年)

摘要

玻璃纖維的特性有不助燃，化學穩定性、抗濕性等優良性能，但因分子為剛性結構且韌性不足，玻纖表面平滑且缺乏反應性，難與基材的良好接著，加工過程中很容易斷裂，耐磨性差，一般都以表面處理改質方式，將未經上漿的玻纖織物含浸矽烷偶合劑後來增進其反應性與可塗佈加工特性，增加其表面粗糙。然而，本研究主要是合成水性PU後塗層於玻纖織物上，因水性PU的耐熱性與耐候性不佳，所以引入的奈米雲母來與PU分子產生化學交聯和分子間的作用力 ，藉由改變不同PTMG軟鏈段的分子量及奈米雲母的添加量，來探討其對FT-IR、TGA、DSC、SEM與粒徑測定儀…，來觀察其官能基、熱性質變化、表面型態、與粒徑大小的差異性；以及塗層織物後，其改變軟鏈段的分子量及奈米雲母的添加量對FT-IR、SEM、UV-vis、吸水率、耐候測試…等多功能玻纖織物相關探討。

關鍵字

水性PU ； 玻璃纖維 ； 奈米雲母 ； 表面處理

並列摘要

In this study was used the method of surface modified treatment to improve the adhesion of glass fabrics and water-borne polyurethane/nano Mica. First, the un-sizing glass fabrics dipped in the silane coupling agent so that covered on the surface of glass fiber to enhance the glass fiber hydrophilic function resulting from improving the processing characteristics for coating on the glass fabrics. Both ends of the silane coupling agent and glass fiber surface were reacted with polyurethane water-borne/Mica Nanocomposites to produce chemical bonding, respectively. The glass fabrics were coated with water-borne polyurethane/Mica resin resulting in interacting with fiber to form the protection film on the surface of glass fibers to improve the defect of loose glass fibers and enhance the thermal stability, chemical stability of process functional glass fabrics.
Water-borne polyurethane with the diisocyanate group was reacted with the various molar ratio (1 wt%、3 wt%、5 wt%) of nano Mica including amino functional group to produce the chemical bond. Water-borne polyurethane/Mica nanocomposited materials were then used by FT-IR、TGA、DSC、SEM、and potential size analyze these chemical structure, thermal properties, surface morphology, molecular weight and particle size….etc. Moreover, the multifunctional glass fabrics were fabricated by dipped on the glass fabrics with coupling agent combined by FT-IR、SEM、UV-vis、Water uptake、Adhesion strength and Weatherability analyze with coating the water-borne polyurethane/Mica nanocomposited materials.

並列關鍵字

water-borne polyurethane ； Nano Mica ； glass Fabrics ； surface modified treatment

參考文獻

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