| 摘要 |
<p>A protective coating composition for coating interior surfaces of beer, beverage, and food containers, as well as interior and exterior surfaces of can ends, comprises a polymeric binder of emulsion copolymerised ethylenic monomers in the presence of an unsaturated polyester dispersed into water with an aqueous dispersed epoxy-acrylic graft copolymer dispersant. The preferred polymeric binder comprises by weight between 0.1 % and 40 % unsaturated polyester, between 20 % and 80 % emulsion copolymerised ethylenic unsaturated monomers, and at least 20 % dispersant, where the emulsion copolymerised monomers cross-link with the water dispersed unsaturated polyester.</p> |
