WAXD

作品数:92被引量:284H指数:8
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相关作者:莫志深张宏放华坚吴忠文赵敏更多>>
相关机构:中国科学院东华大学四川大学吉林大学更多>>
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相关基金:国家自然科学基金国家重点基础研究发展计划国家高技术研究发展计划安徽省自然科学基金更多>>
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尼龙6工业丝在不同负荷下的蠕变响应机制
《现代纺织技术》2025年第1期1-9,共9页何灏 张迎亮 刘宸君 殷亚然 陈康 张先明 
浙江省“尖兵”“领雁”研发攻关计划项目(2024C01083,2023C01095);浙江省自然科学基金探索项目(Q24E030033);浙江省博士后科研择优资助项目(ZJ2023093);中国纺织工业联合会科技指导性计划项目(2022006);浙江理工大学科研启动基金项目(21212305-Y)。
为探究不同负荷条件下尼龙6工业丝的蠕变性能差异及其形变机理,采用广角X射线衍射、小角X射线散射、红外、双折射等测试方法,研究了尼龙6工业丝在不同负荷条件下的蠕变性能差异和蠕变前后的多层次结构变化规律。结果表明:尼龙6工业丝的...
关键词:尼龙6工业丝 蠕变机理 微观结构 WAXD SAXS 
2D-WAXD/SAXS全谱研究石墨烯纤维炭化过程中微结构变化
《当代化工研究》2025年第2期76-79,共4页裘雅渔 陈芳 刘继永 赵翌帆 
2021年国家自然科学基金计划项目“离子液体中溶剂簇限域效应与反应调控机制”(项目编号:22073081);2021年浙江大学分析测试研究项目“基于WAXD-SAXS检测技术的石墨烯纤维的微结构与力学性能关联研究”(项目编号:SYB202104);2024年浙江大学仪器设备专项改造面上项目“小角X射线散射仪准原位液体进样系统的研制”(项目编号:YQZX-B202402)。
利用广角(WAXD)和小角散射(SAXS)联用的方法,对石墨烯纤维炭化过程不同阶段纤维的微孔和取向变化进行研究。WAXD结果表明,在炭化过程中,微晶尺寸变大,并沿着纤维轴方向取向。SAXS结果表明,制备过程中,新微孔进一步形成,微孔逐渐沿纤维...
关键词:广角散射 小角散射 石墨烯纤维 微结构 模型拟合 
Tensile-WAXD Apparatus:An Improved and Accurate System for the In situ Study of Extension-induced Segmental Orientation in Highly Stretched Elastomer
《Chinese Journal of Polymer Science》2024年第12期2002-2010,I0011,共10页Xiang Shi 
financial support of China CSC Scholarship(No.201604910522).
An improved X-ray apparatus that combines tensile testing and X-ray diffraction has been designed and constructed to conduct timeresolved experiments during uniaxial stretching.By utilizing mortise-like clamping jaws ...
关键词:X-ray apparatus Elongation calculation Segmental orientation In situ measurement 
Structural Evolution of UHMWPE Fibers during Poststretching with Distinct Initial Structures
《Journal of Wuhan University of Technology(Materials Science)》2023年第2期280-285,共6页CAO Tian REN Lin MENG Lingpu CHEN Xiaowei WANG Ping 
Founded by the PhD Foundation of Anhui Jianzhu University (2018QD59);the Natural Science Foundation of Anhui Ed ucation Department (Nos.KJ2021A0624,KJ2019JD18,and KJ2019A0774);the National Natural Science Foundation of China (Nos.51903002,51703218,and 51633009);the Anhui Provincial Science and Technology Major Projects (Nos.17030901101 and 201903a05020027)。
By adopting a homemade extension apparatus and wide-angle X-ray diffraction(WAXD)technique,the structural evolutions of the extracted ultra-high molecular weight polyethylene(UHMWPE)fibers with different spinning draw...
关键词:UHMWPE fibre gel-spinning draw ratio WAXD SEM 
长碳链PA1212弹性体在热环境中的分子运动和氢键研究被引量:1
《化工学报》2022年第1期425-433,共9页蒋杰 唐秋雨 赵玲 奚桢浩 袁渭康 
国家自然科学基金项目(21978089,21878256);中央高校基本科研业务费专项资金项目(22221818010);111计划项目(B20031);上海市优秀学科带头人计划项目(21XD1433000)。
热塑性聚酰胺弹性体因其优异的回弹性和二氧化碳选择透过性而受到广泛关注,而材料内氢键作用对弹性体相分离行为和力学性能有决定性影响。基于PA1212聚醚型弹性体,即PA1212为硬段,聚丙二醇-聚乙二醇-聚丙二醇三嵌段共聚醚为软段,通过原...
关键词:长碳链聚酰胺弹性体 红外光谱 原位WAXD 分子模拟 氢键 
Advantage of Preserving Bi-orientation Structure of Isotactic Polypropylene through Die Drawing
《Chinese Journal of Polymer Science》2021年第1期91-101,I0007,共12页Dong Lyu Ying-Ying Sun Yu-Qing Lai Glen Thompson Philip Caton-Rose Phil Coates Ying Lu Yong-Feng Men 
financially supported by the National Natural Science Foundation of China(Nos.21704102,U1832186,and 51525305);Newton Advanced Fellowship of the Royal Society,United Kingdom(No.NA150222);ExxonMobil Asia Pacific Research&Development Co.,Ltd。
The isotactic polypropylene(iPP) usually shows a unique parent-daughter lamellae structure in which the parent and daughter lamellae are against each other with a near perpendicular angle(80° or 100°). Inducing a hi...
关键词:Die-drawing Isotactic polypropylene Solid-state deformation Bi-orientation WAXD 
天然橡胶低温结晶性能分析被引量:7
《高分子通报》2019年第4期65-72,共8页郑兴邦 韦燕婵 罗明超 廖双泉 
公益性行业(农业)科研专项经费资助项目(201403066);海南省重大科技计划资助项目(ZDKJ2016020-02)
天然橡胶作为一种绿色的自补强高分子材料,有着合成橡胶无法比拟的优点。已有大量关于天然橡胶应变诱导结晶研究的文献报道,而对天然橡胶低温结晶研究的文献报道较少,天然橡胶低温结晶的研究对耐低温天然橡胶制品的生产有着理论指导意...
关键词:天然橡胶 低温结晶 DSC WAXD 
Effect of Star-shaped Chain Architectures on the Polylactide Stereocomplex Crystallization Behaviors被引量:2
《Chinese Journal of Polymer Science》2017年第8期974-991,共18页Ke-yu Zhou 李建波 Han-xuan Wang 任杰 
financially supported by the National High-Tech R&D Program of China(No.2013AA032202);the National Natural Science Foundation of China(No.51203118);the Fundamental Research Funds for the Central Universities;the Open Funds for Characterization of Tongji University
Linear and star-shaped polylactides(PLA) with similar molecular weights of each arm are synthesized via ringopening polymerization of LA with 3-butyn-1-ol and pentaerythritol as initiators,respectively.By solution b...
关键词:shaped PLLA crystallinity nucleation WAXD lactic polymerization heating isothermal perfect 
The Influence of Chitin Nanocrystals on Structural Evolution of Ultra-high Molecular Weight Polyethylene/Chitin Nanocrystal Fibers in Hot-drawing Process被引量:3
《Chinese Journal of Polymer Science》2016年第11期1373-1385,共13页Min-fang An Hao-jun Xu You Lv Li Zhang Qun Gu Feng Tian 王宗宝 
financially supported by the National Natural Science Foundation of China(Nos.51273210,51003117 and 5140030545);Open Research Fund of State Key Laboratory of Polymer Physics and Chemistry,Changchun Institute of Applied Chemistry,Chinese Academy of Sciences;K.C.Wong Magna Fund in Ningbo University
Ultra-high molecular weight polyethylene(UHMWPE)/chitin nanocrystal(CNC) fibers were prepared. Compared with the pure UHMWPE fibers, the ultimate tensile strength and Young's modulus of UHMWPE/CNC fibers are impr...
关键词:UHMWPE shish crystallinity modulus SAXS WAXD drawing melting chitin ultimate 
Characterization of Structural Knot Distributions in UHMWPE Fibers被引量:1
《Chinese Journal of Polymer Science》2016年第5期606-615,共10页Hao-jun Xu Min-fang An You Lv 王宗宝 Qun Gu 
supported by the National Natural Science Foundation of China(No.51273210);the Open Research Fund of State Key Laboratory of Polymer Physics and Chemistry,Changchun Institute of Applied Chemistry;Chinese Academy of Sciences and the K.C.Wong Magna Fund in Ningbo University
Microbeam wide-angle X-ray diffraction(WAXD) experiments were carried out at different structural knot positions of SIOC and M4 fibers of ultra-high molecular weight polyethylene(UHMWPE). The optical microscope im...
关键词:UHMWPE shish hexagonal calorimetry SAXS lamellar bamboo crystalline chains WAXD 
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