Nuclear Science and Techniques

《核技术》(英文版) ISSN 1001-8042 CN 31-1559/TL     2019 Impact factor 1.556

Nuclear Science and Techniques ›› 2015, Vol. 26 ›› Issue (2): 020301 doi: 10.13538/j.1001-8042/nst.26.020301

• NUCLEAR CHEMISTRY,RADIOCHEMISTRY,RADIOPHARMACEUTICALS AND NUCLEAR MEDICINE • Previous Articles     Next Articles

Reversible addition-fragmentation chain transfer graft polymerization of acrylonitrile onto PE/PET composite fiber initiated by r-irradiation

MA Yao,1, 2 YU Ming,1 LI Lin-Fan ,1, 2 MA Hong-Juan,1 WANG Zi-Qiang ,1 and LI Jing-Ye 1   

  1. 1Innovation Research Institute of TMSR Energy System, Shanghai Institute of Applied Physics,
    Chinese Academy of Sciences, Shanghai 201800, China
    2University of Chinese Academy of Sciences, Beijing 100049, China
  • Contact: YU Ming;LI Jing-Ye E-mail:yuming@sinap.ac.cn; jingyeli@sinap.ac.cn
  • Supported by:

    Supported by National Natural Science Foundation of China
    (Nos. 11475246 and 11175234) and the Strategic Priority Research
    Program of the Chinese Academy of Sciences (No. XDA02030205)

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MA Yao, YU Ming, LI Lin-Fan, MA Hong-Juan, WANG Zi-Qiang, and LI Jing-Ye . Reversible addition-fragmentation chain transfer graft polymerization of acrylonitrile onto PE/PET composite fiber initiated by r-irradiation.Nuclear Science and Techniques, 2015, 26(2): 020301     doi: 10.13538/j.1001-8042/nst.26.020301

Abstract:

Reversible addition-fragmentation chain transfer (RAFT) mediated grafting of acrylonitrile onto Polyethylene/
Poly(ethylene terephthalate) (PE/PET) composite fibers was performed using
-irradiation as the initial
source at ambient temperature. Different initial concentrations of 2-cyanoprop-2-yl dithiobenzonate were used
as the chain transfer agent. The kinetics of graft polymerization is in accordance with the living RAFT polymerization.
The successful grafting of acrylonitrile is proved by Fourier transform infrared spectroscopy analysis.
The results of monofilament tensile test show that mechanical properties of the fibers change slightly after
grafting. Scanning electronic microscopy images of the fibers show that the surface of RAFT grafted fibers is
smoother than that of fibers grafted conventionally.

Key words: Radiation, Graft polymerization, Reversible addition–fragmentation chain transfer, Acrylonitrile, PE/PET compositefiber