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51

Synthesis and properties of poly(ether ether ketone)-poly(ether sulfone) block copolymers

Junkui Cao, Wencheng Su, Zhongwen Wu, Tatsuki Kitayama, Koichi Hatada

Journal:

Year:

1994

Language:

english

File:

PDF, 708 KB

english, 1994

52

Glass transition temperature and melting temperature of uniform isotactic and syndiotactic poly(methyl methacrylate)s from 13mer to 50mer

Koichi Ute, Nobuo Miyatake, Koichi Hatada

Journal:

Year:

1995

Language:

english

File:

PDF, 500 KB

english, 1995

53

Crystallization behaviour of poly(ether ether ketone)/poly(ether sulfone) block copolymer

Junkui Cao, Wencheng Su, Zhongwen Wu, Jingjiang Liu, Tatsuki Kitayama, Koichi Hatada

Journal:

Year:

1996

Language:

english

File:

PDF, 573 KB

english, 1996

54

Polymorphic structures and molecular vibrations of linear oligomers of polyoxymethylene studied by polarized infrared and Raman spectra measured on single crystals

Masamichi Kobayashi, Yoshitake Matsumoto, Akiko Ishida, Koichi Ute, Koichi Hatada

Journal:

Spectrochimica Acta Part A: Molecular Spectroscopy

Year:

1994

Language:

english

File:

PDF, 897 KB

english, 1994

55

Chromatographic optical resolution on aralkylcarbamates of polysaccharides

Yoshio Okamoto, Yuriko Kaida, Katsuo Hirose, Hiromi Hayashida, Koichi Hatada

Journal:

Reactive Polymers

Year:

1991

Language:

english

File:

PDF, 130 KB

english, 1991

56

The fundamentals of applying electrospray ionization mass spectrometry to low mass poly(methyl methacrylate) polymers

Charles N. McEwen, William J. Simonsick Jr., Barbara S. Larsen, Kaichi Ute, Koichi Hatada

Journal:

Journal of the American Society for Mass Spectrometry

Year:

1995

Language:

english

File:

PDF, 635 KB

english, 1995

57

High-performance liquid chromatography of aromatic compounds on polychloral

Koichi Hatada, Tatsuki Kitayama, Shin-Ichi Shimizu, Heimei Yuki, William Harris, Otto Vogl

Journal:

Journal of Chromatography A

Year:

1982

Language:

english

File:

PDF, 741 KB

english, 1982

58

Chromatographic resolution : XI. Controlled chiral recognition of cellulose triphenylcarbamate derivatives supported on silica gel

Yoshio Okamoto, Mitsunobu Kawashima, Koichi Hatada

Journal:

Journal of Chromatography A

Year:

1986

Language:

english

File:

PDF, 796 KB

english, 1986

59

Chromatographic resolution: IX. High-performance liquid chromatographic resolution of enantiomers on optically active poly(triphenylmethyl methacrylate)

Yoshio Okamoto, Shiro Honda, Koichi Hatada, Heimei Yuki

Journal:

Journal of Chromatography A

Year:

1985

Language:

english

File:

PDF, 394 KB

english, 1985

60

Chromatographic chiral resolution : XIV. Cellulose tribenzoate derivatives as chiral stationary phases for high-performance liquid chromatography

Yoshio Okamoto, Ryo Aburatani, Koichi Hatada

Journal:

Journal of Chromatography A

Year:

1987

Language:

english

File:

PDF, 410 KB

english, 1987

61

Crystallite modulus of double-stranded helices of isotactic poly(methyl methacrylate): the X-ray measurement and the theoretical calculation

Sebastien Urbanek, Kohji Tashiro, Tatsuki Kitayama, Koichi Hatada

Journal:

Year:

1999

Language:

english

File:

PDF, 656 KB

english, 1999

62

Remarkable effect of structure of bulky aluminum phenoxides on stereospecificity of methacrylate polymerization

Tatsuki Kitayama, Tomohiro Hirano, Koichi Hatada

Journal:

Year:

1997

Language:

english

File:

PDF, 798 KB

english, 1997

63

NMR spectra of alkyl vinyl ether and its structures

Koichi Hatada, Masatoshi Takeshita, Heimei Yuki

Journal:

Tetrahedron Letters

Year:

1968

Language:

english

File:

PDF, 213 KB

english, 1968

64

NMR spectra of co-ordination compounds of trialkyl aluminums with donors

Koichi Hatada, Heimei Yuki

Journal:

Tetrahedron Letters

Year:

1968

Language:

english

File:

PDF, 223 KB

english, 1968

65

Alkyl interchange in the mixture of triethyl aluminum and diethylaluminum chloride

Koichi Hatada, Heimei Yuki

Journal:

Tetrahedron Letters

Year:

1967

Language:

english

File:

PDF, 206 KB

english, 1967

66

Synthesis of stereoblock poly(methyl methacrylate) via transformation of isotactic-specific living polymer anion to syndiotactic-specific anion

Tatsuki Kitayama, Nobutaka Fujimoto, Takatsune Yanagida, Koichi Hatada

Journal:

Polymer International

Year:

1994

Language:

english

File:

PDF, 516 KB

english, 1994

67

Synthesis of stereoregular polymers and copolymers of methacrylate by living polymerization and their characterization by NMR spectroscopy

Tatsuki Kitayama, Koichi Ute, Koichi Hatada

Journal:

Polymer International

Year:

1990

Language:

english

File:

PDF, 1.11 MB

english, 1990

68

Haloaldehyde polymers 60. Co-oligomerization of chloral and bromal

F. W. Hein Kruger, William J. Simonsick Jr, Takeshi Asada, Koichi Ute, Koichi Hatada, Otto Vogl

Journal:

Polymer International

Year:

1993

Language:

english

File:

PDF, 786 KB

english, 1993

69

Isomorphism phenomena in polyaldehydes

Atsushi Tanaka, Yukio Hozumi, Koichi Hatada, Shigetaka Endo, Ryoji Fujishige

Journal:

Journal of Polymer Science Part C: Polymer Letters

Year:

1964

Language:

english

File:

PDF, 186 KB

english, 1964

70

NMR signals of tetrads of monomer units in poly(methyl methacrylate)

Koichi Hatada, Koji Ota, Heimei Yuki

Journal:

Journal of Polymer Science Part C: Polymer Letters

Year:

1967

Language:

english

File:

PDF, 250 KB

english, 1967

71

Stereospecific polymerization of trityl methacrylate

Heimei Yuki, Koichi Hatada, Yukio Kikuchi, Toshikazu Niinomi

Journal:

Journal of Polymer Science Part C: Polymer Letters

Year:

1968

Language:

english

File:

PDF, 141 KB

english, 1968

72

Anionic copolymerization of 1,1-diphenylethylene and 2,3-dimethylbutadiene

Heimei Yuki, Koichi Hatada, Tadanori Inoue

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1968

Language:

english

File:

PDF, 436 KB

english, 1968

73

Reactivities and NMR spectra of vinyl ethers

Heimei Yuki, Koichi Hatada, Masatoshi Takeshita

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1969

Language:

english

File:

PDF, 520 KB

english, 1969

74

Stereospecific polymerization of o-methoxystyrene by anionic initiators

Heimei Yuki, Yoshio Okamoto, Yoshiteru Kuwae, Koichi Hatada

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1969

Language:

english

File:

PDF, 645 KB

english, 1969

75

Carbon-13 NMR of UV-isomerized polybutadiene study of 13C-NMR signal due to cis-trans linkage

Yasuyuki Tanaka, Koichi Hatada

Journal:

Journal of Polymer Science Part C: Polymer Letters

Year:

1973

Language:

english

File:

PDF, 164 KB

english, 1973

76

Carbon-13 nuclear magnetic resonance of ethylene–propylene copolymer and the determination of sequence distribution of monomeric units

Yasuyuki Tanaka, Koichi Hatada

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1973

Language:

english

File:

PDF, 575 KB

english, 1973

77

Distribution of isomeric structure of CIS-trans equibinary poly(butadiene)

Koichi Hatada, Yoshio Terawaki, Hiroshi Okuda, Yasuyuki Tanaka, Hisaya Sato

Journal:

Journal of Polymer Science Part C: Polymer Letters

Year:

1974

Language:

english

File:

PDF, 223 KB

english, 1974

78

Determination of sequence distribution in 1,4-polybutadiene by 13C-NMR spectra

Yasuyuki Tanaka, Hisaya Sato, Masanao Ogawa, Koichi Hatada, Yoshio Terawaki

Journal:

Journal of Polymer Science Part C: Polymer Letters

Year:

1974

Language:

english

File:

PDF, 174 KB

english, 1974

79

Microstructure of methyl methacrylate-trityl methacrylate copolymer obtained by n-BuLi in THF

Yoshio Okamoto, Shinji Nakashima, Koji Ohta, Koichi Hatada, Heimei Yuki

Journal:

Journal of Polymer Science Part C: Polymer Letters

Year:

1975

Language:

english

File:

PDF, 215 KB

english, 1975

80

Heterotactic polymers of methyl α-(p-bromophenyl) acrylate and methyl α-(p-chlorophenyl) acrylate

Koichi Hatada, Yoshio Okamoto, Hiroaki Ise, Schin-ichi Yamaguchi, Heimei Yuki

Journal:

Journal of Polymer Science Part C: Polymer Letters

Year:

1975

Language:

english

File:

PDF, 223 KB

english, 1975

81

Copolymerization of methyl methacrylate and methyl α-phenylacrylate by slow-growth polymerization using n-BuLi initiator

Koichi Hatada, Susumu Kokan, Heimei Yuki

Journal:

Journal of Polymer Science Part C: Polymer Letters

Year:

1975

Language:

english

File:

PDF, 154 KB

english, 1975

82

Reactivity of methacrylates in anionic copolymerization with methyl methacrylate by n-BuLi

Heimei Yuki, Yoshio Okamoto, Koji Ohta, Koichi Hatada

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1975

Language:

english

File:

PDF, 650 KB

english, 1975

83

Stereoregulation in the polymerization of methyl α-ethylacrylate by n-BuLi in toluene

Koichi Hatada, Susumu Kokan, Toshikazu Niinomi, Koh Miyaji, Heimei Yuki

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1975

Language:

english

File:

PDF, 392 KB

english, 1975

84

Proton spin-lattice relaxation times of polymers of various tacticities in solution

Koichi Hatada, Yoshio Okamoto, Koji Ohta, Heimei Yuki

Journal:

Journal of Polymer Science Part C: Polymer Letters

Year:

1976

Language:

english

File:

PDF, 145 KB

english, 1976

85

Progressive syntheses of oligomers of methyl vinyl ether and their tacticities

Koichi Hatada, Toshihiko Hasegawa, Tatsuki Kitayama, Heimei Yuki

Journal:

Journal of Polymer Science Part C: Polymer Letters

Year:

1976

Language:

english

File:

PDF, 219 KB

english, 1976

86

Tacticity measurement of polymethacrylate by peak-eliminated fourier-transform NMR

Koichi Hatada, Koji Ohta, Yoshio Okamoto, Tatsuki Kitayama, Yoshihiro Umemura, Heimei Yuki

Journal:

Journal of Polymer Science Part C: Polymer Letters

Year:

1976

Language:

english

File:

PDF, 204 KB

english, 1976

87

Abnormal chiroptical properties of the copolymers of (S)-(-)-α-methylbenzyl methacrylate and trityl methacrylate

Heimei Yuki, Koji Ohta, Yoshio Okamoto, Koichi Hatada

Journal:

Journal of Polymer Science Part C: Polymer Letters

Year:

1977

Language:

english

File:

PDF, 249 KB

english, 1977

88

On the abnormal optical rotation of poly[trityl methacrylate-co-(S)-α-methylbenzyl methacrylate]

Koji Ohta, Koichi Hatada, Yoshio Okamoto, Heimei Yuki

Journal:

Journal of Polymer Science Part C: Polymer Letters

Year:

1978

Language:

english

File:

PDF, 233 KB

english, 1978

89

Microstructure of the copolymers of methyl methacrylate with other methacrylates obtained by radical and anionic copolymerizations in tetrahydrofuran

Heimei Yuki, Yoshio Okamoto, Yoshiki Shimada, Koji Ohta, Koichi Hatada

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1979

Language:

english

File:

PDF, 548 KB

english, 1979

90

Anionic copolymerization of optically active α-methylbenzyl methacrylate and trityl methacrylate. I. Reactivity of monomers

Koji Ohta, Yoshio Okamoto, Koichi Hatada, Heimei Yuki

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1979

Language:

english

File:

PDF, 617 KB

english, 1979

91

C-13 NMR analysis of polystyrene from low-molecular-weight model compounds

Hisaya Sato, Yasuyuki Tanaka, Koichi Hatada

Journal:

Journal of Polymer Science Part B: Polymer Physics

Year:

1983

Language:

english

File:

PDF, 337 KB

english, 1983

92

Asymmetric selective polymerization of racemic 1,2-diphenylethyl methacrylate with the ethylmagnesium bromide-(−)-sparteine complex

Yoshio Okamoto, Eiji Yashima, Koichi Hatada, Heimei Yuki, Hiroyuki Kageyama, Kunio Miki, Nobutami Kasai

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1984

Language:

english

File:

PDF, 342 KB

english, 1984

93

Asymmetric polymerization of optically active phenyl-2-pyridyl-o-tolylmethyl methacrylate and remarkable conformational change of the polymer

Yoshio Okamoto, Eiji Yashima, Koichi Hatada

Journal:

Journal of Polymer Science Part C: Polymer Letters

Year:

1987

Language:

english

File:

PDF, 235 KB

english, 1987

94

E,Z assignments of isophorone diisocyanate (IPDI) and their implications on the relative reactivity of the isocyanate groups

Koichi Hatada, Koichi Ute, S. Peter Pappas

Journal:

Journal of Polymer Science Part C: Polymer Letters

Year:

1987

Language:

english

File:

PDF, 193 KB

english, 1987

95

Relation between the reactivities of vinyl monomers in ionic polymerizations and their 1H NMR spectra

Koichi Hatada, Tatsuki Kitayama, Takafumi Nishiura, Wataru Shibuya

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

2002

Language:

english

File:

PDF, 259 KB

english, 2002

96

Uniform polymer in synthetic polymer chemistry

Koichi Hatada, Tatsuki Kitayama, Koichi Ute, Takafumi Nishiura

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

2004

Language:

english

File:

PDF, 219 KB

english, 2004

97

Unambiguous 13C-NMR assignments for isocyanate carbons of isophorone diisocyanate and reactivity of isocyanate groups in Z - and E-stereoisomers

Koichi Hatada, Koichi Ute, Ken-Ichi Oka, S. Peter Pappas

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1990

Language:

english

File:

PDF, 408 KB

english, 1990

98

Asymmetric polymerization of optically active phenyl-2-pyridyl-M-tolylmethyl methacrylate and stereomutation of the polymer

Yoshio Okamoto, Tamaki Nakano, Toshikage Asakura, Haruhiko Mohri, Koichi Hatada

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1991

Language:

english

File:

PDF, 223 KB

english, 1991

99

Perspective: Comments on “polymer nsr spectroscopy. II. The high resolution spectra of methyl methacrylate polymers prepared with free radical and anionic initiators,” F. A. bovey and G. V. D. tiers, J. polym. sci., XLIV, 173 (1960)

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1996

Language:

english

File:

PDF, 174 KB

english, 1996

100

Optically active poly(diphenyl-2-pyridylmethyl methacrylate): Asymmetric synthesis, stability of helix, and chiral recognition ability

Yoshio Okamoto, Haruhiko Mohri, Motoshiishikura, Koichi Hatada, Heimei Yuki

Journal:

Journal of Polymer Science: Polymer Symposia

Year:

1986

Language:

english

File:

PDF, 560 KB

english, 1986