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  1. No Access

    Article

    The Crystallization Behavior Regulating Nature of Hydrogen Bonds Interaction on Polyamide 6,6 by Poly(vinyl pyrrolidone)

    The crystallization behavior of polyamide 6,6 (PA66) under complex flow field is of great importance for its final mechanical properties. Poly(vinyl pyrrolidone) (PVP) was applied as crystallization modifying ...

    Yang Liu, Li Peng, Jie-Long Lin, Yong Zhou… in Chinese Journal of Polymer Science (2023)

  2. No Access

    Article

    Glass transition: from interaction potential changes to the corresponding structural and relaxation responses along the path of reaching the final equilibrium

    Glass transition involves a many-body interaction and relaxation process. The split of relaxation spectrum and the extremely slow dynamics bring into considerations of non-linearity and non-equilibrium. Some o...

    Guangcui Yuan, Charles C. Han in Science China Chemistry (2018)

  3. No Access

    Article

    Phase behavior actuating morphology and rheological response of polybutadiene/polyisoprene blends under small amplitude oscillatory shear

    The morphology evolution and the corresponding linear viscoelastic behavior of the phase-separating polybutadiene (PB)/low vinyl content polyisoprene (LPI) blend have been investigated by phase contrast optica...

    Fa-sheng Zou, **a Dong 董侠, Wei Liu, Du-** Wang… in Chinese Journal of Polymer Science (2014)

  4. No Access

    Article

    Synthesis of exfoliated isotactic polypropylene/functional alkyl-triphenylphosphonium-modified clay nanocomposites by in situ polymerization

    Diphenyl (4-hydroxyphenyl) hexadecyl phosphonium bromide (POH) -modified montmorillonite (POHMMT) was used to prepare a novel TiCl4/MgCl2/POHMMT compound catalyst and exfoliated iPP/POHMMT nanocomposites were pre...

    Kai Du, Ai-hua He 贺爱华, Fu-yong Bi, Charles C. Han in Chinese Journal of Polymer Science (2013)

  5. No Access

    Article

    X-ray Reflectivity Study of Gold Nanoparticles in a Polymer Matrix

    We have examined the structural evolution of a thin gold layer sandwiched between two polymer films using specular X-ray reflectivity. We used a depth-profiling model consisting of three independent layers, up...

    Kwanwoo Shin, Howard Wang, Sushil K. Satija… in MRS Online Proceedings Library (2011)

  6. No Access

    Article

    Dispersion of particles in the coatings characterized by laser scanning confocal micrscopy (LSCM) I: Vertical dispersion of particles in the coatings and the weathering property studied by orthogonal analysis method of LSCM

    Two kinds of TiO2 filled epoxy coatings were designed and prepared to obtain pigments with different dispersion degrees of TiO2 particles. Laser scanning confocal microscope (LSCM) was used to investigate both th...

    HaiQing Hu, ChengGui Zhang, Charles C. Han… in Science China Technological Sciences (2010)

  7. No Access

    Article

    Three-dimensional observation of the phase structure of high density polyethylene (HDPE)/poly(ethylene-co-butene) (PEB) blend by laser scanning confocal microscopy

    In this paper, high density polyethylene (HDPE)/poly(ethylene-co-butene) (PEB) blend (50/50 wt%) was prepared through solution blending and then compression molding, and subsequently examined by laser scanning...

    ChengGui Zhang, **a Dong, Du** Wang, Charles C. Han in Chinese Science Bulletin (2007)

  8. No Access

    Article

    Rheology and flow-birefringence from viscoelastic polymer-clay solutions

     The shear orientation of viscoelastic clay-polymer solutions was investigated by means of rheology and flow birefringence (Δn). The polymer chains are in dynamic adsorption/desorption equilibrium with the cla...

    Gudrun Schmidt, Alan I. Nakatani, Charles C. Han in Rheologica Acta (2002)

  9. No Access

    Article

    Polymer-Clay Nanocomposite Materials: Solution and Bulk Properties

    The influence of shear on viscoelastic polymer-clay solutions was investigated by means of small-angle neutron scattering (SANS) under shear. SANS measured the shearinduced orientation of polymer and platelets...

    Gudrun Schmidt, Alan I. Nakatani, Paul D. Butler… in MRS Online Proceedings Library (2001)

  10. No Access

    Article

    Silica Nano-particle Filled Poly(ethylene-ran-hexene)/xylene Gels

    The effect of silica nano-particle filler on poly(ethylene-co-hexene)/xylene gels has been investigated using mainly small angle neutron scattering and rheological measurements. Both non-filled and filled poly...

    Howard Wang, Charles C. Han in MRS Online Proceedings Library (2001)

  11. No Access

    Article

    Phase separation kinetics and morphology in a polymer blend with diblock copolymer additive

    The phase diagram for a low molecular weight blend of deuterated polystyrene (PSD) and polybutadiene (PB) was determined by temperature jump light scattering (TJLS) measurements and phase contrast optical micr...

    Lipiin Sung, Diana B. Hess, Catheryn L. Jackson… in Journal of Polymer Research (1996)

  12. Article

    Preparation of 2-Dimensional Ultra Thin Polystyrene Film by Water Casting Method

    The preparation condition of polystyrene (PS) ultra thin film by a water casting method was investigated on the basis of transmission electron microscopic (TEM) observations. Homogeneous ultra thin films were ...

    Kenshiro Shuto, Yushi Oishi, Tisato Kajiyama, Charles C Han in Polymer Journal (1993)

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  13. No Access

    Article

    Microstructure and Isotopic Labeling Effects on the Miscibility of Polybutadiene Blends Studied by the Small-Angle Neutron Scattering Technique

    Deuterated polybutadiene and protonated polybutadiene (PBD/PBH) blends with various microstructures have been studied by the small-angle neutron scattering experiments. Correlation length, ξ, zero-wavenumber s...

    Charles C. Han, Hirokazu Hasegawa, Takeji Hashimoto… in MRS Online Proceedings Library (1989)

  14. No Access

    Article

    Shear Induced Phase Behavior of Polymer Blends by Small Angle Neutron Scattering

    The phase behavior of polymer blends and solutions can be changed dramatically by a flow field using a variety of flow geometries. Unlike simple binary fluids which require extremely high shear rates to produc...

    Alan I. Nakatani, Hongdoo Kim, Charles C. Han in MRS Online Proceedings Library (1989)

  15. No Access

    Article

    Neutron cloud poinds and concentration fluctuations of polymer blends

    Cloud points were observed in the blends of deuterated polystyrene (PSD) and hydrogeneous poly (vinyl methyl ether) (PVME) by means of temperature scanning Small Angle Neutron Scattering (SANS) technique. The ...

    Hsin** Yang, Mitsuhiro Shibayama, Richard S. Stein, Charles C. Han in Polymer Bulletin (1984)

  16. Article

    Preparation and Characterization of Block Copolymers of Ordinary and Deuterated Styrenes

    Yuhshuh Matsushita, Hiroyuki Furuhashi, Haruhisa Choshi, Ichiro Noda… in Polymer Journal (1982)

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