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Strategies for economical alternatives for wax replacement in packaging

机译:包装中蜡替代的经济替代策略

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摘要

Water resistance for packaging applications by aqueous polymer coatings is considered with emphasis on improving the economics necessitated by recent escalating costs and unavailability of paraffin wax for coatings. Studies are reported of incorporation or blending of various pigments towards waterproofing linerboard along with changes in relevant physical properties. Impregnation of polymer/pigment bends is observed to increase strength properties substantially. Observations are made of surface flame treatment and curtain coating which can lower the coating basis weight required to attain a level of water resistance. Mention is made of the potential for electrospinning to supplant conventional coating technologies.
机译:考虑到水性聚合物涂料在包装应用中的耐水性,重点是改善由于最近成本上升和石蜡不能用于涂料而需要的经济性。已有研究报道了将各种颜料掺入或掺混到防水挂面纸板中以及相关物理性能的变化。观察到聚合物/颜料弯曲的浸渍实质上提高了强度性能。对表面火焰处理和幕涂进行了观察,这可以降低达到一定防水等级所需的涂层基重。提到了静电纺丝取代传统涂层技术的潜力。

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