| abstract |
The present invention relates to a vegetable cellulose film composed of by weight 50-90% of vegetable cellulose, 0.2-40% of modifier and 5-20% of water. Said vegetable cellulose film may further comprise a herbicide, insecticide, germicide, fertilizing nutriment of N.P.K, trace element and rare-earth element. Said vegetable cellulose film may be used as decomposable farming film and packaging material for goods, food such as sausages, fruits, vegetables, candies and cakes, pharmaceuticals and garbage, and green carpets for manmade lawn. Said vegetable cellulose and hemi-cellulose may also be used to make disposable cups, dishes, and food boxes. A method of preparing said vegetable cellulose film comprises the following process steps: concentrating, pressing, shredding, degradating, xanthating and dissolving, filtering, ripening into viscose, spinning, coagulating, regenerating, desulphurizing, bleaching, plasticizing, pressing, drying, coating and winding into films. |