合成ゴム材の劣化について - kinki-shasej.org

1 About deterioration of synthetic rubber materials.. SUGA CO., LTD R&D Center Tsutomu nakamura . Key word Heat Oxidation Ultraviolet Rays Ozone Chlorine Metal Ion Solvent .. 1-1.. NR natural rubber .. 1-2.. diene system synthetic rubber .. non-diene system synthetic rubber .. -1 . -1 .. BR Polybutadiene Rubber . SBR Styrene-Butadiene Rubber . NBR Acrylonitrile-Butadiene Rubber .. HNBR Hydrogenated Acrylonitrile-Butadiene Rubber . CR Chloroprene Rubber . IR Isoprene Rubber . EPM,EPDM Ethylene Propylene Rubber . IIR Isobutylene-Isoprene Rubber . Q Silicon Rubber . FKM Fluorine rubber . U Urethane Rubber .. 2-1.. CR .. 60 80 .. 2-2.. -2 -3 . -2 .. 200 300 400 500 600 700 800. (nm).. 143 95 72 57 48 41 35. kcal/mol .. ,p138 6-4 . -3 . O-H C-H C-C C-Cl N-N O-O.

2 Kcal/mol . ,p138 6-4 . -2 -3 . 40 100kcal/mol .. 300 400nm .. NO X 300nm .. -4 . -4 . NR NBR SBR CR IIR. NBR SBR>>NR CR>>IIR. ,p185 8-1.. HNBR FKM .. -1 -2 . (a) (b) . 2 3 .. -1 . (a) SEM (b) . 4 .. -2 .. Cu Fe .. -3 . -3 .. HNBR FKM .. pp31 34 1997 . PL 1999 . 1999 .. 2002 .. ( ) . 2003 .. ( ) . 2003 .. 2004 .. RUBBER INDUSTRIES 2004 9 . 2005 . 10 152 . 2005 . 11 . 2007.