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Patent Searching and Data


Title:
POLYGUANAMINE, POLYGUANAMINE FILM, AND METHOD FOR PRODUCING POLYGUANAMINE
Document Type and Number:
WIPO Patent Application WO/2021/256367
Kind Code:
A1
Abstract:
A polyguanamine including repeating units represented by formula (1) (wherein A is a divalent organic group having an aromatic ring structure and/or an alicyclic structure). The polyguanamine, when examined as a 5-μm-thick film, has a glass transition temperature of 350°C or higher, a total light transmittance of 85% or greater, and a yellowness index of 10 or less.

Inventors:
SHIBASAKI YUJI (JP)
WAKUI HIROYUKI (JP)
NAKAMURA MAKOTO (JP)
Application Number:
PCT/JP2021/022084
Publication Date:
December 23, 2021
Filing Date:
June 10, 2021
Export Citation:
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Assignee:
NATIONAL UNIV CORPORATION IWATE UNIV (JP)
TOYO BOSEKI (JP)
International Classes:
C08G73/06; C08J5/18
Foreign References:
JP2004156001A2004-06-03
Other References:
FUKUSHI KEITO, MARUYAMA HARUKA, SHIBASAKI YUJI, FUJIMORI ATSUHIRO: "Polyguanamine Derivative-Based Supramolecular Assemblies with Multiple Hydrogen Bonding and Their Metal-Scavenging Abilities", LANGMUIR, AMERICAN CHEMICAL SOCIETY, US, vol. 36, no. 14, 25 March 2020 (2020-03-25), US , pages 3770 - 3781, XP055895069, ISSN: 0743-7463, DOI: 10.1021/acs.langmuir.0c00283
SASAKI, HARUKI ET AL.: "Synthesis and properties of ring-containing polyguanamines consisting of cyclic guanamine dichloride monomers and aliphatic diamine monomers", PREPRINTS OF THE SOCIETY OF FIBER SCIENCE AND TECHNOLOGY, vol. 74, no. 1, 5 June 2019 (2019-06-05), Japan, pages 1E07
HOSHINO, YUI ET AL.: "Cyclic guanamine dichloride and polycondensation of diamino-polyethylene glycol at both ends", POLYMER PREPRINTS, vol. 65, no. 2, 2016, Japan, pages 2Pf016
Attorney, Agent or Firm:
UNIUS PATENT ATTORNEYS OFFICE (JP)
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