| abstract |
(57) [Summary] [PROBLEMS] To provide a flexible medical tube which generates little dioxin at the time of waste incineration, has excellent environmental adaptability, and has low repulsion. A tube obtained by coextruding a thermoplastic material (A) made of a styrene-based block copolymer or the like and a thermoplastic polyolefin (B) such as polybutadiene, wherein the tube has an axial direction Has a multiphase structure in which at least one or more phases made of the thermoplastic material (A) are present in a cross section cut perpendicularly, and the maximum angular recovery of the tube is 95 to 105%. Medical tube to do. |