Zobrazeno 1 - 6
of 6
pro vyhledávání: '"Hai Juan Kong"'
Publikováno v:
Materials Science Forum. 976:71-76
In order to improve the uniformity of dispersion of aramid pulp (AP) in an epoxy resin (EP) system containing the EP and curing agent, a series of treatments including the surface cleaning, colloid mill grinding, freeze-drying of APs were carried out
Publikováno v:
Materials Science Forum. 976:77-83
In this article, the supercritical carbon dioxide (Sc-CO2) was used as a medium for hot-drawing of F-III fibers. The conditions of hot-drawing were selected to be the temperature of 250 °C, pressure of 14 MPa, time of 60 min, and different tensions,
Publikováno v:
Chinese Journal of Polymer Science. 36:675-682
The conventional low-temperature method of solution polycondensation was developed to realize the reaction of p-phenylenediamin and terephthaloyl chloride for the preparation of poly(p-phenylene terephthalamide) (PPTA). Some main factors influencing
Publikováno v:
Applied Mechanics and Materials. :71-74
High modulus Poly (p-phenyleneterephalamide)(PPTA) fibers was prepared by heat drawing process, in which the fibers rearranged their structures for further improvements in their crystalline perfection, crystal line orientation. The modulus of PPTA fi
Autor:
Muhuo Yu, Ahmed Dawelbeit, Mei Hua, Cui Qing Teng, Hai Juan Kong, Chun Mao Kang, Hong Peng Zhong, Liu Jing, Ling Dong Du
Publikováno v:
Advanced Materials Research. :856-859
The heat treatment was carried out to modify the aramid fibers, and the effect of tension on the mechanical properties and structure was investigated through Fiber Strength Equipment, viscosity, XRD and SEM . The results show that fibers,strength s
Autor:
Jianjun Zhou, Cui Qing Teng, Muhuo Yu, Yu Ma, Liu Jing, Hai Juan Kong, Hong Peng Zhong, Rui Zhang
Publikováno v:
Advanced Materials Research. :105-109
N-alkyl poly(p-phenylene terephthalamide)s (PPTA) is synthesized from PPTA and bromoalkane via metalation process in a solution of potassium methylsulfinylcarbanion in dimethyl sulfoxide. The modified PPTAs have been dissolved in conventional solvent