| abstract |
The invention discloses a kind of coloured degradable antibacterial polylactic acid elastomers, include 100 parts of polylactic acid, 5-10 parts of maleic anhydride graft compatilizer, 1-2 parts of peroxidized t-butyl perbenzoate, 8-12 parts of antibacterial agent, 5-8 parts of citric acid, 10-16 parts of the tert-butyl alcohol, 2-5 parts of vinylpolydimethyl silane, 0.2-0.5 parts of phosphite, 6-8 parts of Masterbatch by mass fraction；Antibacterial agent includes 20 parts of nano-cerium oxide, 75 parts of nano zine oxide, 5 parts of modified activated carbon；Masterbatch includes 65 parts of carrier, and 12 parts of toner, 3 parts of chitosan, 2 parts of silica, 5 parts of PP compatilizer.The raw materials used in the present invention is nontoxic or intimate nontoxic, composite green chemistry principle, and obtained fiber is degradable, elastic big, the color fastness height of one kind and the coloured degradable antibacterial polylactic acid elastomer with anti-microbial property, whole preparation method are simple, feasible. |