| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a sheet made of a polyester derived from biomass resources which has practical physical properties and greatly contributes to solve an environmental problem, a problem of exhaustion of fossil fuel resources, and the like. <P>SOLUTION: In a sheet made of the polyester derived from biomass resources which is obtained from a polyester whose main repeating units are a dicarboxylic acid unit and a diol unit, at least one of the dicarboxylic acid and the diol, which are raw materials of the polyester, is obtained from biomass resources, and the amount of terminal carboxy groups in the polyester is 50 equivalent/ton or less. <P>COPYRIGHT: (C)2013,JPO&INPIT |
