OPAQUE POLYETHYLENE TEREPHTHALATE FILM FOR HYDROGEL WITH EXCELLENT SENSITIVITY AND A STABLE HETERO COATING LAYER

摘要

PURPOSE: An opaque polyethylene terephthalate film is provided to improve releasing separation and sensitivity by an inline coating process.;CONSTITUTION: An opaque polyethylene terephthalate film comprises a film(10) containing 5-30 weight% of a titanium mixture, which is a biaxially stretched polyethylene terephthalate film and has an average particle size of 0.1-5 micron, and 0.005-0.5 weight% of a white polyester terephthalate which contains a fluorescent brightener; and a silicon hetero coating layer(20) which is formed on one side of the film and comprises an epoxy compound and a silane compound.;COPYRIGHT KIPO 2013