C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 59/14 (2006.01) C09D 163/00 (2006.01)
Patent
CA 2101244
2101244 9312156 PCTABS00022 The present invention provides a process for preparing an epoxy phosphate ester resin, which comprises (1) reacting an epoxy resin having an average of greater than one vicinal epoxy group with a phosphoric acid source material to obtain an epoxy phosphate ester; and (2) further reacting the obtained epoxy phosphate ester with a phosphoric acid source material. The present invention provides epoxy phosphate ester resins obtained by the above process, which exhibit good water-solubility. The coating compositions containing such epoxy phosphate ester resin show good coating properties such as good corrosion resistance, chemical resistance, heat resistance and flexibility.
Smart & Biggar
The Dow Chemical Company
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