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    • 3. 发明申请
    • EDIBLE INK
    • 食糖
    • WO2011128160A1
    • 2011-10-20
    • PCT/EP2011/053640
    • 2011-03-10
    • UNILEVER PLCUNILEVER N.V.HINDUSTAN UNILEVER LIMITEDXU, Desheng
    • XU, Desheng
    • A23G3/00A23G3/28A23G9/24A23G3/54A23G9/48A23G1/54A23G1/30C09D11/00A21D13/00
    • C09D11/38A23G1/305A23G1/54A23G3/0097A23G3/54A23G9/48C09D11/30
    • This invention relates to an edible ink, in particular to an ink suitable for printing by an ink jet printer, which ink can be printed on chocolate, especially chocolate covered ice cream products. At present chocolate covered ice cream products are stamped with a decorative feature to render them more distinctive and attractive, and to reduce their counterfeiting. There are a number of disadvantages associated with this method of decoration. The aforementioned problems are solved by provision of a method for ink-jet printing an edible non-conductive ink on chocolate, the method comprising the steps of: a) applying the ink to chocolate using an ink-jet printer thereby to produce a printed chocolate, then; b) storing the printed chocolate at less than zero, preferably in the range zero to - 30, most preferably in the range -5 to -20 degrees centigrade; wherein the ink comprises a polymeric binder, a colourant and at least one organic solvent, wherein the polymeric binder comprises at least one substance selected from the group consisting of polysaccharides, glycoproteins, esters, polyesters, polyvinyl pyrrolidone, derivatives thereof and mixtures thereof, wherein the polymeric binder has a number average molecular weight of either no more than 100 000 or when greater than 100 000 has a ratio of polymer concentration of the ink to the polymer overlap concentration of less than or equal to 1, wherein the polymer overlap concentration is the reciprocal of the intrinsic viscosity of the polymeric binder in the ink, wherein the colourant is oil soluble, wherein the ink is in the form of an isotropic solution and has an Ohnesorge number (Oh) of greater than 0.1 but less than 1, wherein the ink comprises less than 1%, preferably less than 0.5%, more preferably less than 0.01%, even more preferably less than 0.001%, most preferably zero % by weight water-soluble colourant.
    • 本发明涉及一种可食用油墨,特别涉及一种适用于喷墨打印机印刷的油墨,该油墨可以印在巧克力上,特别是巧克力覆盖的冰淇淋产品上。 目前,巧克力包装的冰淇淋产品印有装饰特征,使它们更具特色和吸引力,并减少其假冒。 这种装饰方法有许多缺点。 通过提供一种用于在巧克力上喷墨印刷可食用非导电油墨的方法来解决上述问题,该方法包括以下步骤:a)使用喷墨打印机将油墨施加到巧克力上,从而产生印刷的巧克力 , 然后; b)将印刷的巧克力存储在小于零,优选在零至-30之间,最优选在-5至-20摄氏度的范围内; 其中所述油墨包括聚合物粘合剂,着色剂和至少一种有机溶剂,其中所述聚合物粘合剂包含选自多糖,糖蛋白,酯,聚酯,聚乙烯吡咯烷酮,其衍生物和其混合物中的至少一种物质,其中 聚合物粘合剂的数均分子量不超过100000,或当大于100000具有聚合物浓度与聚合物重叠浓度小于或等于1的比例时,聚合物重叠浓度为 在油墨中聚合物粘合剂的特性粘度的倒数,其中着色剂是油溶性的,其中油墨是各向同性溶液的形式,并且具有大于0.1但小于1的Ohnesorge数(Oh),其中 油墨包含小于1%,优选小于0.5%,更优选小于0.01%,甚至更优选小于0.001%,最优选为零% 重量水溶性着色剂。