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OwnerHao Xuinventor
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The present invention relates to a biodegradable composition for the preparation of table-ware, mulching film and package, which comprises: 2-6% by weight of starch; 35-45% by weight of plant powders; 20-30% by weight of calcium carbonate; 2-7% by weight of sorbitol; 7-13% by weight of polypropylene; 2-5% by weight of polyethylene; 2-6% by weight of coupling agent; 1-2% by weight of defoamer; 2-5% by weight of stearic acid; 2-6% by weight of stearate; 3-6% by weight of glycerine or epoxidized soybean oil; and 60-100 ppm photosensitizer. The present invention also relates to a method for preparing the composition, which comprises: treating a plant waste with a diluent acid, drying and pulverizing, then mixing it with starch, polypropylene, and polyethylene, sorbitol, defoamer, coupling agent, stearic acid, stearate, glycerine and photosensitizer homogeneously; and blending the mixture obtained in a double-screw extruder at a temperature of 160-180° C. to obtain the composition of the present invention.
A biodegradable composition for the preparation of tableware, drink containers, mulching film and package, comprising:
A biodegradable composition for the preparation of tableware, drink containers, mulching film and package, comprising:
An article made of a biodegradable composition comprising:
Dependencies are inferred from the claim text.