WOOD POLYMER/PLASTIC COMPOSITE MATERIAL HAVING TRANSPARENT SURFACE LAYER
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United States of America Patent
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Issued Date -
Jun 18, 2015
app pub date -
Sep 6, 2013
filing date -
Sep 6, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention relates to a wood polymer/plastic composite material having a transparent surface layer which can enhance physical properties of a product by additionally providing the transparent surface layer on the outer surface of the wood polymer/plastic composite material through an application of a multi-extrusion process. To this end, the present invention includes: an inner layer (11) manufactured by using a compound in which one or a plurality of wood flour, wood chips, and long fiber, which are main materials, are selectively introduced and mixed; and a surface layer (12) formed on the outer surface of the inner layer (11). According to the present invention, the physical properties of the product can be enhanced by additionally providing the transparent surface layer on the outer surface of the wood polymer/plastic composite material through an application of the multi-extrusion process, and the advantages of preventing slipping, surface scratches, and pollution can be provided.
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