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Patent Searching and Data


Title:
METHOD OF MANUFACTURING LAMINATE
Document Type and Number:
Japanese Patent JP2013193343
Kind Code:
A
Abstract:

To provide a method of manufacturing a laminate provided with no adhesive layer and having excellent planarity.

A method of manufacturing a laminate includes a step (a) and (b). (a) A thermoplastic resin layer (I) is formed on one surface of a stretched film by melt extrusion molding having a first cooling roll, a second cooling roll and a third cooling roll, where the second cooling roll is arranged between the first cooling roll and the third cooling roll and an interposition point is present between the first cooling roll and the second cooling roll and after that, (b) a thermoplastic resin layer (II) is formed on the other surface of the stretched film under a condition of T2≥130°C and T2+T3≥ 270°C when the temperature of the second cooling roll and the temperature of the third cooling roll are expressed by T2 and T3, respectively.


Inventors:
AKATA KATSUMI
TSUNEKAWA KAZUHIRO
Application Number:
JP2012063291A
Publication Date:
September 30, 2013
Filing Date:
March 21, 2012
Export Citation:
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Assignee:
SUMITOMO CHEMICAL CO
International Classes:
B29C47/02; B32B27/36; B29K69/00; B29L7/00; B29L9/00
Attorney, Agent or Firm:
Toru Nakayama
Toru Sakamoto