| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method for producing a polyester sheet, by which the polyester sheet can be obtained in which crystallization is prevented from occurring therein. <P>SOLUTION: The present invention provides the method for producing the polyester sheet, including: an extruding step of melt-extruding a polyester having a half-value width of a crystallization temperature on cooling of 25 to 50°C; and a cooling step of cooling the melt-extruded polyester such that a surface temperature of the polyester is lowered at a rate of 350 to 590°C/min, wherein the polyester sheet has a thickness of 3 mm to 5 mm. <P>COPYRIGHT: (C)2012,JPO&INPIT |
