HAINAN SHINER INDUSTRIAL CO., LTD. Patent applications |
Patent application number | Title | Published |
20130004764 | MODIFIED POLYVINYL ALCOHOL COATED FILM USED FOR PRINTING AND PREPARATION METHOD THEREOF - A modified polyvinyl alcohol (PVA) coated film used for printing and a preparation method thereof are provided. Said film comprises a coating layer, a primer layer and a substrate in turn. Said coating layer comprises acrylic coating layer and modified PVA coating layer in turn. Said modified PVA coating layer contacts with the primer layer. Said modified PVA coated film has the properties of higher barrier and moisture-proof and is suitable for the printing of most of printing inks. Said film can be not only directly used to package nuts or the likes, but also used to form a composite compound with other materials suitable for packaging cookie, cake or the likes. | 01-03-2013 |
20120251809 | BIAXIALLY ORIENTED POLYPROPYLENE FILM SUBSTRATE FREE FROM PRIMER COATING AND FILM FREE FROM PRIMER COATING - Disclosed is a biaxially oriented polypropylene film substrate free from primer coating, which comprises successively connected affinity layer, core layer and surface layer, said affinity layer comprises 10% to 80% by weight of polypropylene homopolymer, 10% to 80% by weight of polyolefin plastomer and 1% to 10% by weight of anti-adhesion agent; said core layer is polypropylene homopoiymer; said surface layer is the same as the affinity layer or a non-coated surface layer that comprises 90% to 99% by weight of polypropylene homopolymer and 1% to 10% by weight of anti-adhesion agent. A film free from primer coating and its preparing method are also provided. The coated film of this invention does not need the process of primer pre-coating which reduces the relevant equipment costs on one hand and avoids the safety risks when using and restoring solvent type primer on the other. | 10-04-2012 |