Patent ID: 6824859
Filing Date: 2004-11-30
Classification: C08J,D06M,Y10T

Abstract:
A flexible film product comprising a flexible film base having a thickness of between 4 &mgr;mËœ200 &mgr;m coated with a thin coating of a ceramic material which absorbs environmental energy and radiates far infrared radiation of wavelength 4Ëœ14 &mgr;m, wherein said far infrared ceramic material is selected from the group consisting of Al2O3, Fe2O3, TiO2, Cr2O3, SiO2, Y2O3, MgO, ZrO2and mixtures thereof and wherein the thickness of the coating of ceramic material is between 1 &mgr;m Ëœ50 &mgr;m, and said ceramic material of said coating is dispersed in a bonding agent; with the proviso that the thickness of said coating is less than the thickness of said film base.