Mitsui Chemicals, Inc.

Kenjiro Takamine

Masahiko Okamoto

Masakazu Tanaka

Toyoaki Sasaki

Yasuhito Tsugane

Kenkichi Yoshida

Takanori Tada

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.

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Ichihara, Japan

Kenjiro Takamine