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High bond strength aqueous phenol modified polyester coating composition
High bond strength aqueous phenol modified polyester coating composition
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机译:高粘结强度的水性酚改性聚酯涂料组合物
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摘要
A high bond strength, water reducible modified polyester resin composition is disclosed which comprises: (I) a polyester resin consisting essentially of the reaction product of a: (a) aromatic dicarboxylic acid or mixtures thereof; (b) tris (2 hydroxy alkyl) isocyanurate, organic polyhydric alcohol containing more than two hydroxyl groups or mixtures thereof; (c) saturated fatty acid, and (d) tricarboxylic acid and II additive consisting essentially of: (a) 8 wt. % to 30 wt. %, based on 100% polyester solids, of an aqueous solution of a water soluble, unmodified phenol-formaldehyde resin having an average molecular weight of below about 275; and (b) 20 wt. % to 55 wt. %, based on the polyester solids of water soluble urea-formaldehyde condensation products.
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