URETHANE CURING MATERIAL FOR ELECTRODESCRIBED PAINT WITH IMPROVED EXTERNAL APPEARANCE AND CORROSIVE RESISTANCE, CATION POLYMER COMPOSITION FOR ELECTROCUTABLE PAINT AND CONTAMINATED ITS ELECTRODESCRIBED PAINT COMPOSITION Russian patent published in 2017 - IPC C09D175/04 C09D5/44 C09D5/08 C08G18/12

Abstract RU 2621759 C1

FIELD: chemistry.

SUBSTANCE: invention relates to a urethane curing agent for electrodepositable paint, a cationic electrodepositable resin composition for paints containing it and the electrodepositable composition. Urethane curing agent for electrodepositable paint, comprising a polyisocyanate blocked with a blocking agent comprising a monohydric alcohol and polyhydric (dihydric or trihydric) alcohol. Urethane paint curing agent also contains a main solvent, co-solvent, a curing catalyst. The molar ratio of monohydric alcohol and polyhydric alcohol in the blocking material is from 1:0.2 to 1:2.

EFFECT: invention provides the possibility of forming such a thin film layer electrodepositable paint having excellent appearance and corrosion resistance.

8 cl, 9 tbl, 8 ex

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RU 2 621 759 C1

Authors

Dzung Man Jong

Ko Bong Seong

Kim Khong Riul

Kim Tae Kho

Khvang Joung Dzun

Dates

2017-06-07—Published

2014-05-29—Filed