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    • 9. 发明申请
    • Protein/starch paper coating compositions and method of use thereof
    • 蛋白质/淀粉纸涂料组合物及其使用方法
    • US20020121222A1
    • 2002-09-05
    • US09754469
    • 2001-01-03
    • MIDWEST GRAIN PRODUCTS
    • Sukh BassiMichael D. CainAlan M. HillClodualdo C. ManingatLi Nie
    • C08L003/00C09J103/00
    • D21H19/50D21H19/42Y10T428/31971Y10T428/31982Y10T428/31986Y10T428/31993
    • Improved compositions for coating paper stock, methods of forming such compositions, and methods of coating paper stock with those compositions are provided. The compositions comprise an aqueous dispersion including therein from about 20-45% by weight filler (e.g., a starch such as wheat starch) and from about 6-18% by weight wheat gluten. Preferably, the gluten is initially modified with a reducing agent so that the average molecular weight of the gluten is less than about 1,000 kDa. The compositions have a viscosity of up to about 2000 cP and a solids content of from about 25-57% by weight, thus making them suitable for high speed coating of paper stock. The finished, coated stock may be conventionally printed to achieve high gloss end products. The compositions are preferably water soluble, thereby greatly facilitating repulping of the coated stock.
    • 提供用于涂布纸料的改进的组合物,形成这种组合物的方法,以及用这些组合物涂布纸料的方法。 组合物包含其中包含约20-45重量%的填料(例如淀粉如小麦淀粉)和约6-18重量%的小麦面筋的水分散体。 优选地,最初用还原剂修饰麸质,使得麸质的平均分子量小于约1,000kDa。 组合物具有高达约2000cP的粘度和约25-57重量%的固体含量,因此使其适合于高速涂布纸料。 经完成的涂层原料可以通常印刷以获得高光泽的最终产品。 组合物优选是水溶性的,从而极大地促进涂布原料的再浆化。