STRUCTURED MATERIAL AND METHOD OF PRODUCING THE SAME

摘要

A method for producing a structured material (10) for accommodating passage of fluids, particularly high viscosity fluids, through the structured material (10). In one embodiment, the structured material (10) is a composite material formed of a first layer (20), for example a polypropylene polymer, having a first shrinkage extent and a second layer (30) bonded to the first layer (20), for example an ethylene-propylene copolymer, having a second shrinkage extent different from the first shrinkage extent. In another embodiment, a structured heterogenous material is made of a heterogeneous mixture of at least two homogeneous fiber sets or components having different shrinkage extents.