公开(公告)号：US20200071475A1

公开(公告)日：2020-03-05

申请号：US16466279

申请日：2017-12-13

Applicant: MITSUI CHEMICALS, INC.

Inventor： Masakazu TANAKA ,  Toyoaki SASAKI ,  Yasuhito TSUGANE ,  Kenkichi YOSHIDA ,  Kenjiro TAKAMINE ,  Masahiko OKAMOTO ,  Takanori TADA

IPC: C08J5/18 ,  C08L67/02 ,  C08F10/14

Abstract: A polyester sheet including a polyester (A), a 4-methyl-1-pentene polymer (B) having a specific heat of fusion and a meso diad fraction (m) of 98.5 to 100%, and a compatibilizing agent (C), wherein content proportions of the (A), (B), and (C) are 60 to 98.9 parts by mass for (A), 1 to 25 parts by mass for (B), and 0.1 to 15 parts by mass for (C), when a total content of (A), (B), and (C) is set as 100 parts by mass, and wherein (B) satisfies the requirements (a) to (d) described herein.