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    • 8. 发明授权
    • Multi-layered coatings and coated paper and paperboards
    • 多层涂料和涂布纸和纸板
    • US06387500B1
    • 2002-05-14
    • US08965245
    • 1997-11-06
    • Sanjay Behl
    • Sanjay Behl
    • B32B502
    • B41M5/52B41M5/508B41M5/5218B41M5/5236B41M5/5245B41M5/5254B41M5/5281D21H19/38D21H21/28D21H21/285Y10T428/2993Y10T428/2998Y10T428/31993
    • A multi-layered coating for use preferably on paperboard or paper is disclosed wherein the coating contains at least two layers. The first layer contains at least one dark colorant, at least one white or near white pigment, and at least one binder, and the second layer contains at least one pigment other than a dark colorant, such as a white or near white pigment, and at least one binder. Slurries and dry mixtures containing these ingredients are also disclosed. A multi-layered coated paperboard or paper comprising paperboard or paper and the multi-layered coating is also disclosed. A method to reduce the amount of a white or near white pigment like titania is also disclosed which involves using one or more of the above-described multi-layered coatings on paperboard or paper.
    • 公开了一种用于纸板或纸上的多层涂层,其中涂层含有至少两层。 第一层包含至少一种深色着色剂,至少一种白色或近白色颜料和至少一种粘合剂,第二层含有除深色着色剂之外的至少一种颜料,例如白色或近白色颜料,以及 至少一个粘合剂。 还公开了含有这些成分的浆料和干混合物。 还公开了包括纸板或纸和多层涂层的多层涂布纸板或纸。 还公开了一种减少白色或近白色颜料如二氧化钛的量的方法,其涉及在纸板或纸上使用一种或多种上述多层涂层。