国家自然科学基金(51033004)

作品数:8被引量:6H指数:1
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相关作者:李良彬张瑞盛京何竹洪时明更多>>
相关机构:中国科学技术大学中国工程物理研究院天津大学四川大学更多>>
相关期刊:《科学通报》《塑料工业》《Science China Chemistry》《Chinese Journal of Polymer Science》更多>>
相关主题:BLENDSDIENE串晶MIE散射FIP更多>>
相关领域:理学化学工程一般工业技术机械工程更多>>
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Shear-induced Crystallization in Phase-separated Blends of Isotactic Polypropylene with Ethylene-Propylene-Diene Terpolymer被引量:1
《Chinese Journal of Polymer Science》2015年第11期1538-1549,共12页马桂秋 Da Li Jing Sheng 
financially supported by the National Natural Science Foundation of China(No.51033004);the Natural Science Foundation of Tianjin(No.12JCYBJC11900)
The compatibility between isotactic polypropylene(iPP) and ethylene-propylene-diene terpolymer(EPDM) in the blends was studied. SAXS analysis indicates that iPP and EPDM phases in the binary blend are incompatible...
关键词:Shear-induced crystallization Polypropylene EPDM Blends β-Crystal 
The thermodynamic properties of flow-induced precursor of polyethylene被引量:1
《Science China Chemistry》2015年第10期1570-1578,共9页Dong Liu Kunpeng Cui Ningdong Huang Zhen Wang Liangbin Li 
supported by the National Natural Science Foundation of China(51325301,51033004,51120135002,51227801);the Joint Fund of the National Natural Science Foundation of China and the China Academy of Engineering Physics(U1330202);Project 2013BB05 supported by the Key Laboratory of Neutron Physics,China Academy of Engineering Physics;in part supported by"Ludo Frevel Crystallography Scholarships"from the International Centre for Diffraction Data
Flow-induced preordering or precursor(FIP) has been studied in a series of lightly cross-linked high-density polyethylene with a combination of extensional rheology and in situ synchrotron radiation small-angle X-ray ...
关键词:flow-induced precursor(FIP) SHISH-KEBAB thermodynamic parameters SAXS WAXD POLYETHYLENE 
非晶硫熔化过程中的链环转变被引量:1
《科学通报》2014年第35期3450-3452,共3页刘秀茹 张豆豆 洪时明 王红艳 林月霞 何竹 李良彬 徐济安 
国家自然科学基金(11004163,51033004,51103138);中央高校基础科研业务费(2682014ZT31,SWJTU12CX083)资助
熔化通常表现为吸热和体积膨胀,对放热或体积收缩的反常熔化现象的研究在凝聚态物理中具有重要的科学意义.本文研究了非晶硫反常放热熔化的机理,进行了加热过程中特别是放热熔化前后非晶硫的拉曼光谱分析,表明熔化前的非晶硫中含有大量...
关键词:非晶硫 放热熔化 链环转变 过冷液体 压致凝固 
聚丙烯/聚苯乙烯共混物的相结构演变动力学被引量:1
《高分子材料科学与工程》2014年第2期27-31,共5页李云岩 李景庆 马桂秋 盛京 
国家自然科学基金重点资助项目(51033004);天津市基金资助(12CYBJC1190)
基于Mie散射理论推导了分散相尺寸及其分布计算方程,并以聚丙烯/聚苯乙烯共混物为代表,计算了其分散相颗粒尺度演变规律。计算结果表明,聚丙烯/聚苯乙烯共混体系的相结构演变主要发生在混炼的前3 min之内,之后在剪切力和界面张力作用下...
关键词:MIE散射 相形成与演变 动力学 聚丙烯 聚苯乙烯共混物 
流动场下等规聚丙烯/无规聚丙烯共混材料结构与性能研究被引量:1
《塑料工业》2013年第8期12-14,19,共4页张正驰 张瑞 雷军 李忠明 
自然科学基金重点项目(NO.51033004)
通过动态保压注塑技术制备了不同无规聚丙烯(aPP)含量的等规聚丙烯(iPP)/无规聚丙烯共混试样,测试了这些试样的力学性能,并采用二维广角X射线衍射(2D-WAXD),二维小角X射线散射(2D-SAXS)和扫描电镜(SEM)研究了共混物中iPP分子链取向、晶...
关键词:等规聚丙烯 无规聚丙烯 动态保压注塑 串晶 
NON-ISOTHERMAL CRYSTALLIZATION OF ETHYLENE-VINYL ACETATE COPOLYMER CONTAINING A HIGH WEIGHT FRACTION OF GRAPHENE NANOSHEETS AND CARBON NANOTUBES被引量:1
《Chinese Journal of Polymer Science》2012年第6期879-892,共14页李忠明 陈晨 
supported by the National Science Fund for Distinguished Young Scholars(No.50925311);the National Natural Science Foundation of China(Nos.20976112,51033004)
The effect of the different geometrical dimensionality of two dimensional graphene nanosheets (2D GNSs) and one dimensional carbon nanotubes (1D CNTs) on the non-isothermal crystallization of an ethylene-vinyl ace...
关键词:Non-isothermal crystallization Ethylene-vinyl acetate Graphene nanosheet Carbon nanotube. 
Chemical-physical aspects of formation and evolution of phase structure in multi-polymers: Intensity fluctuation, phase structure and its fractal characteristics in blends of isotactic polypropylene with poly(cis-1,4-butadiene) rubber
《Science China Chemistry》2012年第5期854-864,共11页MA GuiQiu YANG YuPing HUANG DingHai SHENG Jing 
support of the National Natural Science Foundation of China (51033004)
This paper studies the formation and evolution of phase structure of isotactic polypropylene/poly(cis-1,4-butadiene) (iPP/PCBR) blends during molten and mixing in a visual mixer by on-line analysis of the small an...
关键词:polymer blends on-line analysis FRACTAL POLYPROPYLENE 
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