| 摘要 |
<p>A polyester molding retaining transparency over long and satisfactory in heat resistance and chemical resistance is industrially provided. The polyester molding comprises a block copolymer which is made up of a structural unit (A) comprising as a major component repeating units having at least one ester bond therein and a structural unit (B) derived from a compound having a number-average molecular weight of 600 to 100,000 and having an ester-forming functional group at each end, is an elastomer having a compression set as measured in accordance with JIS-K-6262 of 5 to 65%, and has a total light transmittance as measured in accordance with JIS-K-7361-1 of 75% or higher.</p> |
