| 摘要 |
THE PRESENT INVENTION PROVIDES DISPOSABLE UTENSILS WHICH CAN BE NATURALLY DISINTEGRATED AND THE MANUFACTURING PROCESS FOR MAKING THE SAME. THE UTENSILS ARE MADE OF A COMPOSITE MATERIAL WHICH IS MADE FROM NATURAL ORGANIC MATERIALS, NONTOXIC AND ENVIRONMENTAL FRIENDLY. THE COMPOSITE INCLUDES POWDER SUBSTRATE TAKEN FROM GRAIN SHELLS, FILLER OF CALCIUM CARBONATE, BINDER OF POLYVINYL ALCOHOL (PVA) AND A SUITABLE AMOUNT OF PARTING AGENT MIXED INTO A PASTY MASS BY MEANS OF WATER. THE COMPOSITE IS THEN FORMED INTO DESIRED SHAPES OF UTENSILS BY PRESS MOLDING AND DRYING. THE DISPOSABLE UTENSILS CAN BE DISINTEGRATED NATURALLY AFTER DISCARDED OR EVEN USABLE AS ORGANIC FERTILIZER OR FEEED OF FISH.
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