A Study on the Barrier and Mechanical Properties of Elastomeric Nanocomposites with Organosilicate

博士 === 逢甲大學 === 纖維與複合材料學系 === 106 === This study examines the flexural and impact behavior of self-reinforced poly( ethylene terephthalate )( srPETs ) composites, which were produced by film stacking from fabrics composed of braiding commingled yarns with high-tenacity PET (serving as the reinforcem...

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Main Authors: HSIEH,WEN-YEN, 謝文彥
Other Authors: CHENG,KUO-BIN
Format: Others
Language:zh-TW
Published: 2018
Online Access:http://ndltd.ncl.edu.tw/handle/39qu5d
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spelling ndltd-TW-106FCU002920112019-06-27T05:28:16Z http://ndltd.ncl.edu.tw/handle/39qu5d A Study on the Barrier and Mechanical Properties of Elastomeric Nanocomposites with Organosilicate 層狀矽酸鹽補強彈性體奈米複合材料阻隔性與機械性質之研究 HSIEH,WEN-YEN 謝文彥 博士 逢甲大學 纖維與複合材料學系 106 This study examines the flexural and impact behavior of self-reinforced poly( ethylene terephthalate )( srPETs ) composites, which were produced by film stacking from fabrics composed of braiding commingled yarns with high-tenacity PET (serving as the reinforcements) and copolymerized PET ( mPET)( serving as the matrix ). The influence of the hybrid yarns, fabric architectures, and processing conditions on the mechanical properties of srPETs were studied. Nanocomposites of intercalated and exfoliated organosilicates in acrylonitrile butadiene rubber (NBR) were prepared by a two-stage melt blending method. The dispersion and interlayer space of organosilicates in these nanocomposites were examined by X-ray diffraction, transmission electron microscopy and field emission scanning electron microscopy. Dramatic enhancements in the mechanical and thermal properties of NBR were found by incorporating less than ten parts of organosilicates. In particular, the addition of 10 parts loading of the organosilicate in NBR provided more than a 360 % increase in tensile strength, a two-fold increase in tensile modulus at an elongation of 500 % ( M500 ), a 93 % increase in tear strength and a relative enhancement in elongation at break, as compared to the neat NBR. The degradation temperature for NBR with ten parts loading of organosilicate was 25 ℃ higher than that of the neat NBR. In addition, the penetrating amount of triacetin in nanocomposites decreases with increasing amount of layered silicate, and the barrier properties of nanocomposites against nitroglycerin migration, there will be a significant increase in the addition of layered layered silicate. The relative TA permeability of the nanocomposites with 20 parts loading of layered silicate was reduced by 37 %, and the barrier property of the nanocomposites to nitroglycerin migration was reduced by 31 %-42 % with the addition of layered silicate. CHENG,KUO-BIN WU,CHANG-MOU 鄭國彬 吳昌謀 2018 學位論文 ; thesis 92 zh-TW
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language zh-TW
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description 博士 === 逢甲大學 === 纖維與複合材料學系 === 106 === This study examines the flexural and impact behavior of self-reinforced poly( ethylene terephthalate )( srPETs ) composites, which were produced by film stacking from fabrics composed of braiding commingled yarns with high-tenacity PET (serving as the reinforcements) and copolymerized PET ( mPET)( serving as the matrix ). The influence of the hybrid yarns, fabric architectures, and processing conditions on the mechanical properties of srPETs were studied. Nanocomposites of intercalated and exfoliated organosilicates in acrylonitrile butadiene rubber (NBR) were prepared by a two-stage melt blending method. The dispersion and interlayer space of organosilicates in these nanocomposites were examined by X-ray diffraction, transmission electron microscopy and field emission scanning electron microscopy. Dramatic enhancements in the mechanical and thermal properties of NBR were found by incorporating less than ten parts of organosilicates. In particular, the addition of 10 parts loading of the organosilicate in NBR provided more than a 360 % increase in tensile strength, a two-fold increase in tensile modulus at an elongation of 500 % ( M500 ), a 93 % increase in tear strength and a relative enhancement in elongation at break, as compared to the neat NBR. The degradation temperature for NBR with ten parts loading of organosilicate was 25 ℃ higher than that of the neat NBR. In addition, the penetrating amount of triacetin in nanocomposites decreases with increasing amount of layered silicate, and the barrier properties of nanocomposites against nitroglycerin migration, there will be a significant increase in the addition of layered layered silicate. The relative TA permeability of the nanocomposites with 20 parts loading of layered silicate was reduced by 37 %, and the barrier property of the nanocomposites to nitroglycerin migration was reduced by 31 %-42 % with the addition of layered silicate.
author2 CHENG,KUO-BIN
author_facet CHENG,KUO-BIN
HSIEH,WEN-YEN
謝文彥
author HSIEH,WEN-YEN
謝文彥
spellingShingle HSIEH,WEN-YEN
謝文彥
A Study on the Barrier and Mechanical Properties of Elastomeric Nanocomposites with Organosilicate
author_sort HSIEH,WEN-YEN
title A Study on the Barrier and Mechanical Properties of Elastomeric Nanocomposites with Organosilicate
title_short A Study on the Barrier and Mechanical Properties of Elastomeric Nanocomposites with Organosilicate
title_full A Study on the Barrier and Mechanical Properties of Elastomeric Nanocomposites with Organosilicate
title_fullStr A Study on the Barrier and Mechanical Properties of Elastomeric Nanocomposites with Organosilicate
title_full_unstemmed A Study on the Barrier and Mechanical Properties of Elastomeric Nanocomposites with Organosilicate
title_sort study on the barrier and mechanical properties of elastomeric nanocomposites with organosilicate
publishDate 2018
url http://ndltd.ncl.edu.tw/handle/39qu5d
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