Decorative packaging films
作者： Keith Pye , Kenneth Wade
DOI:
关键词: Polymer 、 Opalescence 、 Composite material 、 Metal 、 Calcium carbonate 、 Surface layer 、 Materials science 、 Particle size 、 Carbon black 、 Particulate material
摘要: The invention is concerned with a decorative packaging film comprising base of synthetic polymeric material (an olefinic polymer) containing highly light absorbent pigment, for example carbon black, and at least one surface layer second which transmittable contains solid particulate calcium carbonate, having particle size from 0.1 to 10 microns present in an amount 1 40% by weight, the combination been stretched cause formation voids or layers sites particles material. appearance varies intense opalescence lustrous metallic appearance.
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