| abstract |
The present invention is a plastic material based on cellulose acetate comprising at least one plasticizer, wherein the plasticizer comprises a first plasticizer comprising a citrate ester, an organic phosphoric acid, a glycerol ester and a trimellitic acid ester. A mixture with at least one second plasticizer selected from the group, wherein the content of the first plasticizer is equal to or greater than that of the second plasticizer, and the mixture of plasticizers is entirely The plastic material constituting 25-35% by weight of the plastic material. |