The present invention relates to an environment-friendly water-soluble food wrapping paper and a method of producing using a multi-layer coating technique with the oil resistance, water resistance, moisture-proof property and heat-sealability, particularly, by forming an oil-resistant coating layer on the substrate top surface made of coated paper or non-known or craft Jiro fluorine-containing compounds in the oil-resistant coating layer, starch (acid starch, cationic starch, hydroxyethyl starch), by using the polyvinyl alcohol, low air permeability resistance is also the oil resistance at the same time having a (one value the air is measured easy to pass the paper) has, to form a water-resistant coating layer on the oil coating the upper surface, by using cellulose derivatives of a material such as paper, the water-resistant coating layer, harmless to human body and is biodegradable in the natural environment, the moisture-proof and heat-sealability a coating layer on the water-resistant coating layer the upper surface the use of polyvinylidene chloride in the moisture-proof and heat-sealability coating to form, eco-friendly water-soluble food packaging using multi-layer coating technology with the oil resistance, water resistance, moisture resistance and heat-sealability to give moisture and heat sealing properties of food packaging It relates to its production method.
And the present invention is the substrate of Jiro coated paper or non-known or the craft (100), the base material 100 oil coating layer 200 formed on the upper surface and, the water-resistant coating layer 300 formed in the oil-resistant coating layer 200, the upper surface, the water resistance jidoe made of the coating layer 300, the upper surface a moisture-proof and heat-sealability a coating layer (400) formed on said oil-resistant coating layer 200 is formed of an alcohol, a fluorine-based compounds, starch, polyvinyl alcohol, fatty acid, an emulsion of paraffin wax, wherein the starch is oxidized starch or cationic starch, or hydroxyethyl starch of any one and more preferably, the oil-resistant coating layer (200) for selecting the alcohol, 73.5 to 86.8% by weight, 2 to 3% by weight of the fluorine-based compound, starch, 5 to 10% by weight, poly 5 to 10% by weight polyvinyl alcohol, fatty acids, 0.2 to 0.5 is made to% by weight, an emulsion of paraffin wax weight of 1 to 3% by weight, the water-resistant coating layer 300 is ethanol, nitrocellulose, dicyclohexyl phthalate, emulsions of paraffin wax, wherein jidoe made with an adhesive, the water-resistant coating layer 300 is of ethanol of 75 to 96% by weight, nitrocellulose 2 to 10% by weight of dicyclohexyl phthalate 0.5 to 5% by weight, an emulsion of paraffin wax, 1 to 8% by weight, wherein the adhesive from 0.5 to made of a 2% by weight, moisture-proof and heat-sealability a coating layer 400 is an organic solvent, a polyvinylidene chloride, a fatty acid, maleic anhydride, a slip agent, jidoe made of a dispersing agent, a moisture-proof and heat-sealability a coating layer 400 is an organic solvent 56.4 to 89.73% by weight, polyvinylidene chloride 10 to 40% by weight, fatty acids that consisting of 0.05 to 0.1% by weight of maleic anhydride of 0.01 to 0.5% by weight of slip agent from 0.2 to 2% by weight, a dispersing agent, 0.01 to 1% by weight It characterized.
The present invention includes coated with oil-resistant coating to a substrate 100, an upper surface made of coated paper or non-known or craft Jiro form an oil-resistant coating layer 200 (S10), oil-resistant coating layer 200, the water resistance on an upper surface formed in the above step (S10) comprising the steps of coating a coating agent to form a water-resistant coating layer 300 (S20), the step (S20) Water resistant coating layer 300, the upper surface a moisture-proof and heat-sealability coating moisture-proof and heat-sealability a coating layer 400 coated in the formed in the forming (S30), is made in the step (S30) to the drying step (S40) that after forming the moisture-proof and heat-sealability a coating layer (400), oil resistance coatings, water resistance of the steps (S10) to (S30) coatings, moisture-proof and heat-sealability coatings knife plated coating, or reverse roll coating or air knife coating and a select coating either the wire rod coating, and the UV lamp in the above step (S40), hot air, cooling the cooling unit It characterized by drying a UV drying device is configured.