abstract |
The invention discloses a degradable colored polyvinyl chloride composition and a preparation method thereof; the degradable colored polyvinyl chloride composition is composed of 60-100 parts by weight of a degradable colored polyvinyl chloride block copolymer, 15 parts by weight of nano calcium carbonate, 10 parts by weight of ethylene-1-octene copolymer, 2 parts by weight of polyvinyl alcohol, 1.5 parts by weight of (2,4-di-tert-butylphenyl) phosphite triester, 2-hydroxy-4-methoxydipropiophenone 1 part by weight, the degradable colored polyvinyl chloride composition prepared by the present invention has hygienic safety and rapid degradability, and can meet the requirements of physical and chemical properties of disposable medical consumables. At the same time, the obtained polyvinyl chloride material has stable properties. coloring properties. |