1. 3) Y. Nakamura, S. Okabe, T. lida, K. Nagata, and H. Nigo, Polym. Polym. Compos., 7, 33(1999).
2. 4) Y. Nakamura, S. Okabe, T. lida, Polym. Polym. Compos., 7, 177(1999).
3. 5) B. Arkles, CHEMTECH, Dec., 766(1977).
4. 7) A.V. Zhuk, N.N. Knunyants, V.G. Oshmyan, V.A. Topolkaraev, and A.A. Berlin, J. Mater. Sci., 28, 4595(1993).
5. 8) B.A. Sjören, and L.A. Berglund, Polym. Compos., 18, 1(1993).