| 摘要 |
THE PRESENT INVENTION RELATES TO A METHOD FOR PRODUCING MULCH FILM COMPRISING THE STEPS OF ADDING CATALYST MIXTURE AND METHYLTRIALKYL AMMONIUM CHLORIDE TO FORM AN EPOXIDE MIXTURE, WHEREIN THE CATALYST MIXTURE COMPRISES OF TUNGSTEN POWDER, 30% BY WEIGHT HYDROGEN PEROXIDE, AND 85% BY WEIGHT ORTHOPHOSPHORIC; THEN, ADDING 85 % BY WEIGHT ORTHOPHOSPHORIC ACID AND 30% BY WEIGHT HYDROGEN PEROXIDE INTO THE EPOXIDE MIXTURE TO FORM A HYDROXYLATED MONOMER, WHEREIN THE REACTION IS CARRIED OUT AT 100 �CELSIUS FOR AT LEAST 6 HOURS; THEN, ADDING DIISOCYANATE AND INORGANIC FILLER INTO HYDROXYLATED MONOMER TO FORM A SLURRY, WHEREIN THE INORGANIC FILLER IS TITANIUM DIOXIDE; THEN, CURING THE SLURRY TO OBTAIN A TACK-FREE CONDITION; THEN, SOLIDIFYING THE SLURRY TO PRODUCE AN EVEN AND PERMANENT SHAPE OF POLYMER FILM; THEN, LEAVING THE POLYMER FILM FOR AT LEAST 24 HOURS AT ROOM TEMPERATURE UNTIL THE DISAPPEARANCE OF N=C=O GROUPS IN THE POLYMER FILM; WHEREIN THE POLYMER FILM HAVING A THICKNESS RANGE OF 110 TO 150 ?M: CHARACTERIZED IN THAT THE UNSATURATED FATTY ACID IS WASTE COOKING OIL, AND THE HYDROXYLATED MONOMER, THE DIISOCYANATE, AND THE INORGANIC FILLER ARE PRESENT IN A RATIO OF 1: 0.5: X, WHEREIN X IS 2.5 %,5.0 %, 7.5 % OR 10.0 % BY WEIGHT. |
