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    • 2. 发明申请
    • Color change by evaporation for food and beverage and organ protection
    • 通过蒸发改变食品和饮料和器官保护
    • US20020011522A1
    • 2002-01-31
    • US09860915
    • 2001-05-18
    • Nabil M. Lawandy
    • G05D023/00B32B023/04B32B029/00
    • G01K3/04G01N31/229Y10T428/31931Y10T428/31971
    • A method and apparatus for manifesting the time-temperature history of a perishable object includes the providing the object with a substrate having layer that is comprised of a volatile component and at least one other component, where the volatile component has an evaporation rate related to time and temperature. The teachings herein include allowing the volatile component to evaporate, causing a color change with the remaining component that reflects a time-temperature history of the object. The other component may include a lactone dye or crystal violet lactone, The layer may include poly-p-(hydroxystyrene), ethanol, crystal violet lactone and N-methyl pyrrolidinone, or may include poly-p-(hydroxystyrene), ethanol, crystal violet lactone, ammonia, N-methyl pyrrolidinone, and formaldehyde. A barrier may be provided to control the removal of the volatile component, and at least one chromophore may be provided to bias the layer so as to reduce an amount of time required before the color change is detectable. A dispenser of color change labels is also disclosed, as is a method for applying labels to a perishable object to be monitored.
    • 用于表现易腐物体的时间 - 温度历史的方法和装置包括向物体提供具有由挥发性成分和至少一种其它成分组成的层的基底,其中挥发性成分具有与时间有关的蒸发速率 和温度。 本文的教导包括允许挥发性组分蒸发,导致与反映物体的时间历史的剩余组分的颜色变化。 其它组分可包括内酯染料或结晶紫内酯,该层可包括聚对羟基苯乙烯,乙醇,结晶紫内酯和N-甲基吡咯烷酮,或可包括聚对羟基苯乙烯,乙醇,结晶 紫色内酯,氨,N-甲基吡咯烷酮和甲醛。 可以提供阻挡层以控制挥发性组分的去除,并且可以提供至少一种发色团以偏置该层,以便减少在检测颜色变化之前所需的时间量。 还公开了颜色变化标签的分配器,以及将标签应用于要被监测的易腐物体的方法。
    • 3. 发明申请
    • Barrier coatings for oil and grease resistance
    • 阻油涂料,耐油和耐油脂
    • US20040241475A1
    • 2004-12-02
    • US10448068
    • 2003-05-27
    • Patrick Morabito
    • B32B029/00
    • B32B27/20B32B27/10Y10T428/25Y10T428/253Y10T428/256Y10T428/258Y10T428/2982Y10T428/3188Y10T428/31993
    • A multi layer composite having oil and grease resistance comprising: a) a paper or paperboard substrate, b) a base coat on a surface of said substrate comprising a first polymer selected from the group consisting of film forming natural and synthetic polymers in the substantial absence of a mineral pigment filler, and c) a top coat on a surface of said base coat, said top coat comprising a continuous polymer phase comprising one or more film forming synthetic polymers having dispersed therein at least one platy mineral pigment and at least one non-platy mineral pigment. This invention also relates to a method of making the composite and articles of manufacture fabricated totally or in part from the composite of this invention where oil and grease resistance is required or desired, such as container, bags and wraps for packaging oily or greasy materials such as animal and human food.
    • 一种具有耐油和耐油脂性的多层复合材料,包括:a)纸或纸板基材,b)在所述基材的表面上的底涂层,其包含在基本上不存在的情况下选自成膜天然和合成聚合物的第一聚合物 的矿物颜料填料,和c)在所述底涂层的表面上的顶涂层,所述顶涂层包括连续聚合物相,其包含一种或多种成膜合成聚合物,其中分散有至少一种板状矿物颜料和至少一种非 - 普通矿物颜料。 本发明还涉及制造由本发明的复合材料全部或部分制造的复合材料和制品的方法,其中需要或期望耐油和耐油脂性,例如用于包装油性或油腻材料的容器,袋和包装 作为动物和人类的食物。