Patent ID: 7045557

Claim:
A light-degradable material for producing disposable medical appliances made of polypropylene resin having a composite allochromatic agent, the composite allochromatic agent comprising: a photoinitiator and a sensitizer added into the polypropylene resin, wherein the photoinitiator comprises ferric citrate (FeC 6 H 5 O 7 ) and ferrous pentadione (FeC 5 H 8 O 2 ), and the sensitizer comprises hexachloroacetone (Cl 6 C 3 O) and acetylbenzene (C 8 H 8 O), wherein the photoinitiator comprises an amount of 0.04%˜0.08% by weight based on a total weight of the polypropylene resin by weight, and the sensitizer comprises 0.4%˜0.9% of the polypropylene resin by weight.