CPC B29C 48/022 (2019.02) [B32B 27/08 (2013.01); B32B 27/304 (2013.01); B32B 37/06 (2013.01); B32B 37/182 (2013.01); B44C 5/0453 (2013.01); E04F 15/105 (2013.01); E04F 15/107 (2013.01); B29K 2027/06 (2013.01); B29L 2031/10 (2013.01); B32B 2255/10 (2013.01); B32B 2255/20 (2013.01); B32B 2255/26 (2013.01); B32B 2307/402 (2013.01); B32B 2307/412 (2013.01); B32B 2307/554 (2013.01); B32B 2419/04 (2013.01)] | 13 Claims |
1. Composite flooring material segments, each composite flooring material segment comprising:
(i) a flooring base layer comprising a mixture of PVC resin and calcium carbonate,
wherein said mixture is free of glue, and
wherein said flooring base layer is a resultant of extrusion of the mixture at elevated temperature and pressure, mold-forming the extruded mixture into said flooring base layer, and cooling said flooring base layer;
(ii) a waterproof flooring face layer comprising a decorative face sublayer and a wearing face sublayer fused onto a top face of said decorative face sublayer,
where said flooring face layer is textured and fused onto a top face of said flooring base layer by hot-melt overlaying of said layers; and
(iii) a cured waterproof flooring coating layer, applied on top of said flooring face layer,
wherein said flooring coating layer is the resultant of coating said flooring face layer with a UV-curing plastic resin and UV curing said coating of UV-curing plastic resin by exposure to UV light.
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