Výsledky vyhledávání - "Jun-ichi Hiwatari"

Segmented Poly(urethane-urea)s Synthesized Directly from Isocyanate-Terminated Prepolymers and Masked Diamines I. Quantitative Synthesis

Autor: Hiroyuki Hanahata, Jun-ichi Hiwatari, Emiko Yamazaki, Yoshiharu Kitahama

Publikováno v: Polymer Journal. 29:811-817

An attempt was made for quantitative synthesis of segmented poly(urethane-urea)s (PUUs), not via solution state, but directly from an isocyanate-terminated prepolymer prepared from an excess molar concentration of 4,4′-methylenediphenyldiisocyanate

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c20125879dda38b78e957f86f1328007
https://doi.org/10.1295/polymj.29.811

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Segmented Poly(urethane-urea)s Synthesized Directly from Isocyanate-Terminated Prepolymers and Masked Diamines III. Kinetic and Mechanistic Study on Polymerization Reactions

Autor: Hiroyuki Hanahata, Emiko Yamazaki, Jun-ichi Hiwatari, Yoshiharu Kitahama

Publikováno v: Polymer Journal. 29:826-835

The direct synthesis of segmented poly(urethane-urea)s (DSPUU) from an isocyanate-terminated prepolymer (ITPP) and reaction products (AE) from acetone and ethylenediamine consisting of N-isopropylideneethylenediamine (1), N,N′-diisopropylideneethyl

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4d6fb956d118df333d4c9a61c5a5daba
https://doi.org/10.1295/polymj.29.826

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