Zobrazeno 1 - 10
of 126
pro vyhledávání: '"Keizo Makuuchi"'
Publikováno v:
Polymer Journal. 37:333-339
The natural rubber latex (NRL) was radiation vulcanized under a pilot plant of low energy electron accelerator. Accelerating voltage and maximum beam current of this accelerator are 250 kV and 10 mA respectively. Irradiation on NRL was carried out in
Publikováno v:
Reactive and Functional Polymers. 57:113-118
The effect of acrylonitrile content on the physical properties of acrylonitrile–butadiene rubber (NBR) under electron beam induced vulcanization was studied. Diethylene glycol dimethacrylate (2G) and trimethylol propane trimethacrylate (TMPT) were
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 208:256-259
The sensitized radiation vulcanization of natural rubber latex has been carried out with 250 keV electrons. Latex was irradiated over a range of the beam current from 5 to 20 mA in the presence of sensitizers like the n-butyl acrylate (n-BA). The vul
Publikováno v:
Reactive and Functional Polymers. 53:173-181
The efficiency of six polyfunctional monomers (PFMs) as crosslinking coagents for radiation vulcanization of acrylonitrile–butadiene rubber (NBR) by electron beam was studied. It was found that among the polyfunctional monomers having same function
Autor:
Mitsuo Chino, Tamikazu Kume, Masaaki Takehisa, Tomio Inoue, Seiichi Tagawa, Masahiko Shimizu, Keizo Makuuchi, Miyuki Hagiwara, Kazuaki Yanagisawa
Publikováno v:
Journal of Nuclear Science and Technology. 39:1120-1124
In modern times, the use of nuclear energy and radiation are inseparable. The size of two wheels can be measured and compared by the term economic scale, which in this case refers to the revenue of electricity at terminal and production costs associa
Autor:
Kazunari Hosobuchi, Norikazu Ooka, Hiroshi Tominaga, Masayuki Sekiguchi, Toshimitsu Kamada, Masayuki Kashiwagi, Keizo Makuuchi, Seiichi Tagawa
Publikováno v:
Journal of Nuclear Science and Technology. 39:1002-1007
Utilization of radiation in the industrial field has been enlarged due to the variety of technologies. In the present paper, the economic scale between the U.S.A. and Japan is compared with selected industrial parameters such as sterilization, semico
Autor:
KEIZO MAKUUCHI
Publikováno v:
NIPPON GOMU KYOKAISHI. 75:85-89
Publikováno v:
Journal of Applied Polymer Science. 82:799-807
To find out the better crosslinking monomer for vulcanization of natural rubber under electron beam (EB) radiation, the dry rubber was masticated with different polyfunctional monomers like TMPTA, NVP, and ethylene glycol diacrylate of different numb
Publikováno v:
Radiation Physics and Chemistry. 60:139-142
This paper reports on the sensitizing efficiency of several polyfunctional monomers to radiation vulcanization of ethylene–propylene rubber. And the results show that triethyleneglycol dimethacrylate (TEGDMA) gave the best results. TEGDMA not only
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry. 250:391-395
In order to obtain a more ideal hydrogel wound dressing, crosslinked hydrogel films blended with polyvinyl alcohol (PVA), polyvinyl pyrrolidone, kappa-carrageenan (KC), and powder silk were prepared by electron beam, and their physiochemical properti