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Article
Crystallization behavior of biodegradable poly(L-lactic acid) (PLLA)/poly(butylene succinate) (PBS) blends based on in situ simultaneous wide-angle x-ray diffraction/small-angle x-ray scattering techniques and thermal analyses
Crystalline behavior of poly(L-lactic acid) (PLLA), polybutylene succinate (PBS) and their (PLLA/PBS) blends were investigated using differential scanning calorimetry, dynamic viscoelastic property, in situ si...
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Article
Visualization of judgment regions in convolutional neural networks for X-ray diffraction and scattering images of aliphatic polyesters
The construction of a deep learning model and visualization of judgment regions were conducted for X-ray diffraction and scattering images of aliphatic polyesters. Due to recent progress in measurement methods...
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Article
Microdomain structure change and macroscopic mechanical response of styrenic triblock copolymer under cyclic uniaxial and biaxial stretching modes
The mechanical stretching behavior of the poly(styrene-b-ethylene-co-butylene-b-styrene) (SEBS) triblock copolymer (87 wt% polyethylene-co-butylene (PEB), 13 wt% polystyrene (PS)) was investigated under three dif...
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Article
Evaluation of viscoelastic properties, hardness, and glass transition temperature of soft denture liners and tissue conditioner
Soft denture liners and tissue conditioners are widely used for the denture patients to cushion masticatory force and condition abused tissues, respectively. This study assessed methods for the evaluation of t...
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Article
Crystal polymorphism of polylactide and its composites by X-ray diffraction study
Polylactide (PLA) exhibits various types of crystal modifications depending on the preparation conditions, including the components. To solve the open question, a reliable calculation method for crystallinity,...
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Article
Influence of chemical structure of hard segments on physical properties of polyurethane elastomers: a review
Hard segments of polyurethanes (PUs) are generally formed from diisocyanate and diol. Diol can be replaced with triol and thiol. These chemical structures of hard segments strongly affect not only a microphase...
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Article
Lamellar orientation in isotactic polypropylene thin films: a complement study via grazing incidence X-ray diffraction and surface/cross-sectional imaging
The crystalline structures of isotactic polypropylene (iPP) thin films were investigated using grazing incident wide-angle X-ray diffraction (GIWAXD), atomic force microscopy (AFM), and transmission electron m...
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Article
Microphase-separated structure and mechanical properties of cycloaliphatic diisocyanate-based thiourethane elastomers
Polythiourethane (PTU) and polyurethane (PU) elastomers were prepared from poly(oxytetramethylene) glycol, 1,4-bis(isocyanatomethyl) cyclohexane and a dithiol or diol chain extender with two methylene numbers ...
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Article
Inclusion of fullerene in polymer chains grafted on silica nanoparticles in an organic solvent
Dispersion of C60/silica nano-composite, prepared by inclusion of C60 into grafted polymer chains on silica, in organic solvent and poly(methyl methacrylate) (PMMA) matrix was investigated. The polymer-grafted Si...
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Article
Physical properties of poly(tetrahydrofuran)-block-poly(2-ethyl-2-oxazoline) triblock copolymer
ABA-type triblock copolymers (PEOxz-PTHF-PEOxz) composed of poly(tetrahydrofuran) (PTHF) and poly(2-ethyl-2-oxazoline) (PEOxz) were synthesized by cationic sequential polymerization. Differential scanning calo...
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Article
Effective dispersion of fullerene with methacrylate copolymer in organic solvent and poly(methyl methacrylate)
Dispersion of fullerene, C60, by addition of polymethacrylate dispersant in methyl methacrylate (MMA) and incorporation of C60 into poly(methyl methacrylate) (PMMA) were investigated. Copolymers synthesized by ra...
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Article
Simultaneous small-angle X-ray scattering/wide-angle X-ray diffraction study of the microdomain structure of polyurethane elastomers during mechanical deformation
Polyurethane elastomers (PUEs) were prepared with poly(oxytetramethylene) glycol (Mn=2000), 4,4′-diphenylmethane diisocyanate, 1,4-butanediol (BD) and 1,1,1-trimethylol propane (TMP) by a prepolymer method. To ev...
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Article
High Performance Polyamide 6 Fibers Using Polycarbonate Based Thermoplastic Polyurethane Thin Film Coatings- a Novel Method
Polycarbonate based thermoplastic polyurethanes (CPU2) were prepared and coated onto polyamide 6 (PA 6) fibers. The CPU2 thin film coatings were prepared by dip** the PA 6 fibers into a viscous CPU2 adduct a...
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Article
The Microphase-separated Structure of Polyurethane Bulk and Thin Films
The microphase-separated structure of polyurethane bulk and thin films were investigated using atomic force microscopy (AFM). The polyurethane (PUs) were synthesized with poly(oxytetramethylene) glycol (PTMG),...
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Article
Properties of fish protein–hydrophilic polymer hybrid gels
Biogels and bio-hybrid gels were prepared from myofibril of fish and their properties were evaluated. The muscular protein used was extracted from fish meat. After washing and centrifugal separation, the muscu...
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Article
Surface Relaxation Processes of Poly(methyl methacrylate) Brushes Prepared by Atom Transfer Radical Polymerization
Well-defined poly(methyl methacrylate) (PMMA) brush layers were prepared onto silicon wafers by surface-initiated atom transfer radical polymerization using 2-(4-chlorosulfonylphenyl)-ethyltrichlorosilane as a...
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Chapter and Conference Paper
Selective Adsorption of Plasma Protein Onto Phase-Separated Domain of Immobilized Organosilane Monolayer Surfaces
The phase-separated surfaces of mixed organosilane monolayers on silicon wafer are excellent model system with which to study the interaction of proteins with organic surfaces. The phase-separated structures o...