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1. (WO2017150383) SILICA SOL CONTAINING PHENYLPHOSPHONIC ACID, AND APPLICATION FOR SAME

Pub. No.:    WO/2017/150383    International Application No.:    PCT/JP2017/007165
Publication Date: Sat Sep 09 01:59:59 CEST 2017 International Filing Date: Sat Feb 25 00:59:59 CET 2017
IPC: C23C 22/00
C09D 1/00
C09D 5/08
C09D 7/12
Applicants: NISSAN CHEMICAL INDUSTRIES, LTD.
日産化学工業株式会社
Inventors: KASHIMA, Yoshiyuki
鹿島 吉恭
TAKAKUMA, Noriyuki
高熊 紀之
SHIMIZU, Daisuke
清水 大輔
Title: SILICA SOL CONTAINING PHENYLPHOSPHONIC ACID, AND APPLICATION FOR SAME
Abstract:
[Problem] To provide a coating-forming composition for an electrical steel sheet exhibiting excellent viscosity stability, in which an increase in viscosity over time is kept gradual, and in which excellent insulation properties, corrosion resistance, adhesion, and other characteristics required in a coating for an electrical steel sheet are maintained. [Solution] A coating-forming composition for an electrical steel sheet, including colloidal silica, a phosphate, phenylphosphonic acid or a salt thereof, and an aqueous medium.