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    • 8. 发明授权
    • Method of producing casein film
    • 酪蛋白膜的制备方法
    • US5681517A
    • 1997-10-28
    • US534457
    • 1995-09-27
    • Wolfgang Metzger
    • Wolfgang Metzger
    • A22C13/00B65D65/46C08J5/18C08L89/00B29C47/00
    • C08J5/18A22C13/0013B65D65/466C08L89/005C08J2389/00Y02W90/13
    • A method of producing a casein film, in the form of a planar film or a film tube, by mixing an aqueous solution containing at least one partly volatile carboxylic acid, at least one plasticizer and deionized water, with casein, and causing the mixture to swell, deforming the swollen mixture at temperatures of from 60.degree. C. to 100.degree. C. to obtain a film or a film tube; solidifying the film or film tube by treatment with an aqueous hardening solution and, optionally, by cold-smoking, and drying the film or film tube. The films have excellent packaging characteristics and are biodegradable. They are especially suited for use as edible sausage casings, packaging material for non-hygroscopic, powdery or fat-containing products, for packaging tablets and aromatic dry products, in the production of seed strips and adhesive tapes, and for lining paper.
    • 通过将含有至少一种部分挥发性羧酸,至少一种增塑剂和去离子水的水溶液与酪蛋白混合,制成平面膜或薄膜管形式的酪蛋白膜的方法, 膨胀,使溶胀的混合物在60℃至100℃的温度下变形,得到薄膜或薄膜管; 通过用水性硬化溶液处理并任选地通过冷吸法固化膜或膜管,并干燥膜或膜管。 该膜具有优异的包装特性,是可生物降解的。 它们特别适合用作可食用香肠肠衣,用于非吸湿性,含粉末或含脂肪的产品的包装材料,用于包装片剂和芳香干燥产品,用于生产种子条和胶带以及用于衬纸。