Compositions of polyvinyl chloride and tetracarboxylic tetraesters and medical articles thereof

摘要: Medical articles made of a resin composition comprising polyvinyl chloride and tetracarboxylic tetraester are provided. As examples the mentioned tetra(2-ethylhexyl) 3,3',4,4'-biphenylethertetracarboxylate, 3,3',4,4'-biphenylmethanetetracarboxylate, tetra(n-dodecyl) 2,3,3',4'-biphenyl-1,1-ethanetetracarboxylate, 3,3',4,4'-biphenyl-2,2-propanetetracarboxylate like. The is incorporated in an amount from 20 to 120, preferably 30 100 parts by weight per chloride. dissolution migration surface article plasticizer low medical articles, said produce no adverse effects upon body fluids such as blood when contacted. Examples preferred preservation vessels, catheters transfusion sets.