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Patent Searching and Data


Title:
POLYESTER RESIN AND METHOD FOR PRODUCING SAME, AND TONER
Document Type and Number:
WIPO Patent Application WO/2022/009793
Kind Code:
A1
Abstract:
The polyester resin according to the present invention is obtained by using a polyethylene terephthalate, a multivalent carboxylate component, and a polyhydric alcohol component. In the polyester resin, the total contained amount of at least one selected from the group consisting of structural units derived from a carboxylate having a valence of three or more and structural units derived from an alcohol having a valence of three or more is at least 1 part by mol with respect to 100 parts by mol of structural units derived from an acid component. The endothermic energy amount of the polyester resin when being heated for 30 minutes at 150°C is 0.1-10 J/g.

Inventors:
TACHIBANA YUKA (JP)
TAMURA YOKO (JP)
OZAWA TADAHIRO (JP)
KONDO AKIFUMI (JP)
Application Number:
PCT/JP2021/025119
Publication Date:
January 13, 2022
Filing Date:
July 02, 2021
Export Citation:
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Assignee:
MITSUBISHI CHEM CORP (JP)
International Classes:
G03G9/087; C08G63/668
Foreign References:
JP2004163808A2004-06-10
JP2004054258A2004-02-19
JP2005517050A2005-06-09
JP2019099699A2019-06-24
JP2019104825A2019-06-27
JP2018070705A2018-05-10
JP2014232169A2014-12-11
JP2020116802A2020-08-06
JP2009276791A2009-11-26
JP2017045041A2017-03-02
JP2012233037A2012-11-29
Other References:
See also references of EP 4180873A4
Attorney, Agent or Firm:
TAZAKI Akira et al. (JP)
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