1H‐NMR study of polyisoprenes

H Sato, Y Tanaka - Journal of Polymer Science: Polymer …, 1979 - Wiley Online Library
H‐NMR spectra of polyisoprene were assigned using polymers of isoprene‐1,1,4,4‐d 4 ,
isoprene‐1,1,5,5,5‐d 5 , and isoprene‐4,4‐d 2 polymerized with various catalysts. The …

Distribution of isomeric structures in polyisoprenes

H Sato, A Ono, Y Tanaka - Polymer, 1977 - Elsevier
… of isomeric structures in polyisoprenes: Hisaya Sato et aL … of isomeric structures in
polyisoprenes: Hisaya Sato et aL … Distribution of isomeric structures in polyisoprenes: Hisaya Sato

Synthesis of monodisperse macroreticular styrene-divinylbenzene gel particles by a single-step swelling and polymerization method

K Ogino, H Sato, K Tsuchiya, H Suzuki… - … of Chromatography A, 1995 - Elsevier
Monodisperse styrene-divinylbenzene gel beads in the range of 4.1–7.5 μm were prepared
via a single-step swelling and polymerization method. The seed particles prepared by …

Analysis of carbon-13 NMR of polybutadiene by means of low molecular weight model compounds

H Sato, K Takebayashi, Y Tanaka - Macromolecules, 1987 - ACS Publications
The aliphatic carbon signals of polybutadiene are assigned in terms of diad or triad sequences
of cis-1, 4, trans-1, 4, and 1, 2 units, by using model compounds correspondingto monad …

Study of sulfonation mechanism of low‐density polyethylene films with fuming sulfuric acid

…, S Kumagai, T Nakamura, H Sato - Journal of applied …, 2004 - Wiley Online Library
Sulfonation of low‐density polyethylene (LDPE) films with fuming sulfuric acid was studied
by X‐ray photoelectron spectroscopy (XPS) and attenuated total reflectance (ATR) infrared …

Sequence Distribution of cis-1,4- and trans-1,4-Units in Polyisoprenes

Y Tanaka, H Sato - Rubber Chemistry and Technology, 1976 - meridian.allenpress.com
Recently 13 C NMR spectroscopy has been successfully applied to investigate the sequence
distribution of 1,2- and 1,4-units or cis-1,4- and trans-1,4-units in polybutadienes. As for …

Oxidative coupling polymerization of 4‐methyltriphenylamine

…, A Kanegae, R Yamaguchi, H Sato… - Macromolecular …, 1999 - Wiley Online Library
4‐Methyltriphenylamine was oxidatively polymerized in chloroform (CL) or propylene carbonate
(PC) in the presence of ferric chloride (FeCl 3 ) at 50C. Polymerization proceeded more …

Synthesis of polymers having tetraphenyldiaminobiphenyl units for a host polymer of photorefractive composite

…, T Nomura, T Shichi, SH Park, H Sato… - Chemistry of …, 1997 - ACS Publications
Acrylate type of monomer having tetraphenyldiaminobiphenyl (TPD) unit was prepared and
was homo- and copolymerized with n-butyl acrylate using AIBN as an initiator. …

Preparation and characterization of poly (4-alkyltriphenylamine) by chemical oxidative polymerization

C Takahashi, S Moriya, N Fugono, HC Lee, H Sato - Synthetic metals, 2002 - Elsevier
High molecular weight poly(4-alkyltriphenylamine) was synthesized by chemical oxidation
polymerization. C NMR spectra of the obtained polymers revealed that coupling reaction …

Structure and Biosynthesis Mechanism of Natural Cis-Polyisoprene from Goldenrod

Y Tanaka, H Sato, A Kageyu - Rubber Chemistry and …, 1983 - meridian.allenpress.com
The chemical structure of naturally occurring cis-polyisoprene isolated from Solidago altissima
was determined by 13 C NMR spectroscopy. The alignment of the isoprene units in the …