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OwnerMasahiro Takegawa, Mitsuo Yamada +2inventors
InventorsMasahiro Takegawa, Mitsuo Yamada, Kosuke Muramatsu, Ryoichi Murakami
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The present invention provides an antibacterial lead-free cationic electrodeposition coating composition comprising an aqueous medium, a binder resin including a cationic epoxy resin and a blocked isocyanate curing agent which is dispersed or dissolved in the aqueous medium, a neutralizing acid for neutralizing the cationic epoxy resin, an organic solvent and an antibacterial agent, wherein a volatile organic content is not more than 2% by weight, and the antibacterial agent is an isothiazolone compound. The antibacterial lead-free cationic electrodeposition coating composition of the present invention has reduced VOC and lead ion content in order to exert small influence on the environment, whereas having antibacterial ability comparable to that before reducing VOC and lead ion content, and having excellent electrodeposition performance.
An antibacterial lead-free cationic electrodeposition coating composition comprising an aqueous medium, a binder resin including a cationic epoxy resin and a blocked isocyanate curing agent which is dispersed or dissolved in the aqueous medium, a neutralizing acid for neutralizing the cationic epoxy resin, an organic solvent and an antibacterial agent,
An antibacterial agent comprising an isothiazolone compound, wherein the antibacterial agent is used for preventing microorganisms from breeding in a lead-free electrodeposition coating composition having a volatile organic content of not more than 2% by weight.
Use of an isochiazolone compound for preventing microorganisms from breeding in a lead-free electrodeposition coating composition having a volatile organic content of not more than 2% by weight.
Dependencies are inferred from the claim text.