● Dynamic FT-IR Analysis of the Crystallization of the Planar Zigzag Form for Syndiotactic Polypropylene

T. Nakaoki, M. Nagata, H. Hayashi, Y. Ohira and F. Horii, Rep. Prog. Polym. Phys. Jpn., 41, 263-266 (1998).

● Solid State High Resolution ¹³C NMR Analysis of Conformation Transition in Syndiotactic Polypropylene

Nakaoki, Y. Ohira and H. Hayashi, Rep. Prog. Polym. Phys. Jpn., 40,  (1997).

● Solid State High Resolution ¹³C NMR Investigation of Deoxycholic Acid / Ferrocene Inclusion Compound

T. Nakaoki, T. Sumida, M. Takagi and K. Takemoto, Rep. Prog. Polym. Phys. Jpn.,　40,  (1997).

● Transmission Electron Microscopic Studies on Micromechanism of Fracture in Engineering Plastics. I. Poly(butylene terephttalate)

N.   Tsuruta, T. Maeda, T. Nakaoki, and H. Hayashi, Rep. Prog. Polym. Phys. Jpn., 40,  (1997).

●  Real-time Small-angle X-ray Scattering Studies on Fracture Mechanism of Polymers on Cyclic Loading I. Polypropylene

N. Tsuruta, T. Nakaoki, S. Suehiro and H. Hayashi, Rep. Prog. Polym. Phys. Jpn., 40,  (1997).

● Effect of Dipolar Decoupling and Transient NOE to Relaxation Measurement for Solid-state ¹³C NMR    

T. Nakaoki, H. Hayashi, R. Kitamaru, Rep. Prog. Polym. Phys. Jpn., 39, 533 (1996).

● High Temperature Crazing in Amorphous Engineering Plastics as Revealed by Small-Angle X-ray Scattering    

N. Tsuruta, Y. Tsuge, T. Nakaoki and H. Hayashi, Rep. Prog. Polym. Phys. Jpn., 39, 371 (1996).

● A Selected-Area Electron Diffraction Study on Microstructure of Crazes in Polypropylene during Brittle Fracture    

H. Hayashi, N. Tsuruta, T. Nakaoki and T. Maeda, Rep. Prog. Polym. Phys. Jpn., 39,  375 (1996).

● High Resolution Solid State ¹³C NMR study of Isotactic Polypropylene Gel.

T. Nakaoki, S. Shuto, R. Kitamaru, H. Hayashi, Rep. Prog. Polym. Phys. Jpn., 38, 167 (1995).

● Nuclear Overhauser Effect for Polyethylene and n-Alkane.    

T. Nakaoki, N. Nishimura, T. Nakayama, H. Saijo, N. Kawata, R. Kitamaru, H. Hayashi, Rep. Prog. Polym. Phys. Jpn., 38, 455 (1995).

●  Craze Microstructure in Polysulfone by Small-Angle X-ray Scattering and Transmission Electron Microscopy.    

H. Hayashi, N. Tsuruta, H. Yoshitani, T. Nakaoki, T. Maeda, Rep. Prog. Polym. Phys. Jpn., 38, 345 (1995).

●  Electron Microscopic Studies on Microstructure of Crazes in Isotactic   Polypropylene.

H. Hayashi, N. Tsuruta, S. Yamagishi, T. Nakaoki, T. Maeda, Rep. Prog. Polym. Phys. Jpn., 38, 349 (1995).

●  Conformation of Syndiotactic Polypropylene in Solution.   

H. Hayashi, S. Matsumura, T. Nakaoki, Rep. Prog. Polym. Phys. Jpn., 38, 131 (1995).

● Conformation Studies on Stereoregular Polystyrenes by Intermediate-Angle X-ray Scattering.    

● High resolution solid-state 13C-NMR approach to syndiotactic polypropylene gel.    

T. Nakaoki, R. Kitamaru, Rep. Prog. Polym. Phys. Jpn., 37, 537 (1994).

●  13C-NMR approach to phase structure of semi-crystalline polymers; Ethyl branched linear polyethylene.    

T. Nakaoki, R. Kitamaru, Rep. Prog. Polym. Phys. Jpn., 37, 533 (1994).

●  Real-time small angle X-ray scattering study on crazes in polypropylene during tensile fracture.    

H. Hayashi, N. Tsuruta, T. Nakaoki, Rep. Prog. Polym. Phys. Jpn., 37, 291 (1994).

●  Determination of fibril volume fraction in polymer crazes by small angle X-ray scattering.   

H. Hayashi, N. Tsuruta, T. Nakaoki, Rep. Prog. Polym. Phys. Jpn., 37, 289 (1994).

●  Concentration dependence of structure formed in isotactic- and syndiotactic- polystyrene gels.    

T. Nakaoki, T. Kozasa, M. Kobayashi, Rep. Prog. Polym. Phys. Jpn., 35, 129 (1992).

●  Vibrational spectra of two crystal modifications of syndiotactic polystyrene-d8.    

T. Nakaoki, M. Kobayashi, Rep. Prog. Polym. Phys. Jpn., 34, 355 (1991).

●  Physical gelation of epimerized polystyrenes.     

T. Nakaoki, M. Kobayashi, Rep. Prog. Polym. Phys. Jpn., 34, 359 (1991).

●  Thermoreversible gelation of isotactic and atactic polystyrenes : Structure of cross-   links.    

T. Nakaoki, M. Kobayashi, Rep. Prog. Polym. Phys. Jpn., 33, 91 (1990).

●  Solid-state high-resolution carbon-13 nuclear magnetic resonance of stereoregular polystyrenes.    

T. Nakaoki, M. Kobayashi, Rep. Prog. Polym. Phys. Jpn., 33, 521 (1990).

●  Molecular vibrations of two forms of syndiotactic polystyrene.    

M. Kobayashi, T. Nakaoki, N. Ishihara, Rep. Prog. Polym. Phys. Jpn., 32, 125 (1989).

●  Molecular structure in syndiotactic polystyrene gel: Comparison with isotactic polystyrene gels.    

M. Kobayashi, T. Nakaoki, N. Ishihara, Rep. Prog. Polym. Phys. Jpn., 32, 427 (1989).

●  Vibrational spectroscopic study of isotactic and syndiotactic polystyrenes.   

M. Kobayashi, T. Nakaoki, M. Uoi, Rep. Prog. Polym. Phys. Jpn., 31, 481 (1988).