Abstract
AbstractControlled carbonization is very critical in improving the effect of laser‐induced patterns on a polymer surface. In the present work, the effects of a multilayered structure on the physical and laser‐marking properties of a low‐density polyethylene/polystyrene (LDPE/PS) multilayered film are studied. The multilayered film is prepared using nanolayer coextrusion and treated in air by scanning with a neodymium‐doped yttrium aluminum garnet (Nd:YAG) pulsed laser beam. Based on various analyses, the laser‐induced patterns on the LDPE/PS multilayered film are significantly different from those on a conventional LDPE/PS blend. Furthermore, a mechanism for controlling the carbonized area of a multilayered film is proposed. This study also provides an effective method to fabricate laser‐patterning polymer materials based on a multilayered structure. Nanolayer coextrusion will have broad application prospects in the field of polymer laser marking. Importantly, this work opens up a valuable and viable direction for the practical application of these multilayered polymer materials.
Published Version
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