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    • 31. 发明申请
    • Ink-receptive coating composition
    • 油墨接受涂料组合物
    • US20080188599A1
    • 2008-08-07
    • US11998914
    • 2007-12-03
    • Liviu DinescuDong-Tsai HseihMing Kun ShiEkaterina VaskovaZhisong Huang
    • Liviu DinescuDong-Tsai HseihMing Kun ShiEkaterina VaskovaZhisong Huang
    • C08K5/435C08L77/00
    • B41M5/52B41M5/5245B41M5/5254C08K5/435C08L35/02C08L77/00C09D131/04C09D133/02C09D133/08C09D177/00C09D177/06D21H19/24D21H19/44C08L2666/02C08L2666/20
    • An ink-receptive coating composition. In a preferred embodiment, the composition includes (a) a polyamide, the polyamide comprising an aliphatic polyamide in particulate form, the aliphatic polyamide having a softening point in the temperature range of about 50-250° C. and an average particle size of about 1 to 80 microns; (b) a plasticizer, the plasticizer being a solid plasticizer selected from the group consisting of alkyl sulfonamides and aromatic sulfonamides, the solid plasticizer having a melting point in the range of about 50-200° C.; (c) a binder, the binder being a thermoplastic polymer delivered as a water-based emulsion or solution, the binder having a Tg in the range of about −20-120° C.; (d) a dye-retention agent, the dye-retention agent comprising at least one cationic polymer; (e) an ink viscosity-modifying agent; and (f) a dispersant, the dispersant being selected from the group of cationic and non-ionic dispersants. The composition may be used to form, for example, an ink-receptive coating as part of an ink-jet recording sheet or a heat-transfer sheet.
    • 油墨接受涂料组合物。 在一个优选的实施方案中,组合物包括(a)聚酰胺,该聚酰胺包含颗粒形式的脂族聚酰胺,该脂族聚酰胺的软化点在约50-250℃的温度范围内,平均粒径约为 1至80微米; (b)增塑剂,所述增塑剂是选自烷基磺酰胺和芳族磺酰胺的固体增塑剂,所述固体增塑剂的熔点在约50-200℃范围内。 (c)粘合剂,所述粘合剂是作为水性乳液或溶液递送的热塑性聚合物,所述粘合剂的Tg在约-20-120℃的范围内; (d)染料保留剂,所述染料保留剂包含至少一种阳离子聚合物; (e)油墨粘度调节剂; 和(f)分散剂,所述分散剂选自阳离子和非离子分散剂。 组合物可用于形成例如作为喷墨记录片材或传热片材的一部分的油墨接受涂层。