Patent ID: 9511568
Filing Date: 2016-12-06
CPC Classification: B32B,Y10T

Claim Text:
1. A non-polyvinylchloride (PVC) tile comprising: a bottom material layer, and said bottom material layer comprises thermoplastic of 5˜39.5 wt %, a filling material of 60˜90 wt % and a processing agent of 0.5˜5 wt %; a printing layer disposed on said bottom material layer and comprising an inorganic filling material of 55˜90 percentage weight (wt %); and a transparent wear-resistant layer disposed on said printing layer, and coefficient of thermal expansion of said bottom material layer and said transparent wear-resistant layer are larger than a coefficient of thermal expansion of said printing layer, when said bottom material layer, said printing layer and said transparent wear-resistant layer are heated and then cooled, said bottom material layer and said transparent wear-resistant layer symmetrically contract with said printing layer being a center, and said transparent wear-resistant layer comprises thermoplastic, and said bottom material layer has a thickness of 0.5˜5 mm, and said printing layer has a thickness of 0.05˜3 mm, and said transparent wear-resistant layer has a thickness of 0.1˜1 mm, and said printing layer further comprising: