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pro vyhledávání: '"Bo Sun Lee"'
Autor:
Sung Joo Park, Bo Sun Lee
Publikováno v:
Korean Youth Counseling Association. 3:113-125
Publikováno v:
Fibers and Polymers. 5:145-150
Blends of poly(phenylene sulfide) (PPS) and polyethylene, either linear low density polyethylene (LLDPE) or metallocene-catalyzed polyethylene (MPE), that were prepared by melt blending, were investigated. From the rheological properties as determine
Autor:
Bo Sun Lee, Byoung Chul Chun
Publikováno v:
Polymer Composites. 24:192-198
In this study, the toughening effect of nylon66 on the PPS/glass fiber composite at various nylon66 contents and testing temperatures was analyzed using tensile and notched Izod impact test. Also, the corresponding fracture surface morphology was obs
Publikováno v:
Macromolecules. 34:6431-6437
Shape memory polyurethane (PU) block copolymers composed of 4,4‘-methylenebis(phenylisocyanate), poly(tetramethylene glycol), and 1,4-butanediol as a chain extender were synthesized by a two-step process. FT-IR spectra showed that carbonyl peak app