Abstract: Provided is a synthetic leather including: a base fabric that has a limiting oxygen index of 25 or more, and that is a knitted body of a yarn including a flame-retardant fiber having a limiting oxygen index of 25 or more, a cellulose-based fiber, and a carbon fiber; an adhesion layer containing a flame retardant, the adhesion layer being provided at at least one side of the base fabric; and a skin layer provided at a side of the adhesion layer opposite from a side at which the base fabric is provided.

Abstract: The present invention provides a tissue adhesion prevention material preparable at an affected area at the time of surgical procedure by producing a three-dimensional polymeric structure having a flexible structure and high solute permeability in a medium comprising water as the main component under mild conditions appropriate for body tissue components (i.e., at ordinary temperature and pressure) without conducting a chemical reaction or employing a physical procedure such as heating or light or radiation irradiation. This makes it possible to provide a tissue adhesion prevention material and a joint contracture prevention materials, which can effectively prevent postoperative adhesion of a tissue in the affected area to the surrounding tissue and contracture of the movable part of a joint.