B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 37/10 (2006.01) H01M 8/02 (2006.01)
Patent
CA 2583786
A production method of a laminate in which creasing is suppressed. The production method of a laminate comprises a step for coating a porous film (1) with a coating liquid, and a step for moving the porous film (1) coated with the coating liquid along the circumferential surface of a feed roller (14), and then moving the porous film (1) along the circumferential surface of a lamination roller (30) together with a supporting substrate (2) for laminating the porous film (1) and the supporting substrate (2), thereby producing a laminate (3a). Assuming the radius of the feed roller (14) is R1 (cm), the radius of the lamination roller (30) is R2 (cm), the distance between the central axes of the feed roller (14) and the lamination roller (30) is L (cm), the thickness of the porous film (1) is T1 (cm), and the thickness of the supporting substrate (2) is T2 (cm), a condition represented by following expression (1) is satisfied. R1+R2+T1+T2<=L<=R1+R2+100 (1)
L~invention concerne un procédé de fabrication d~un stratifié dans lequel toute fronce est supprimée. Le procédé de fabrication d~un stratifié comprend une phase d~enduction d~un film poreux (1) avec une liquide de revêtement, et une phase de déplacement du film poreux (1) enduit avec le liquide de revêtement le long de la surface circonférentielle d~un rouleau d~avance (14), avant de déplacer le film poreux (1) le long de la surface circonférentielle d~un rouleau de stratification (30) avec un substrat support (2) pour stratifier le film poreux (1) et le substrat support (2), pour ainsi produire un stratifié (3a). En nommant le rayon du rouleau d~avance (14) R1 (cm), le rayon du rouleau de stratification (30) R2 (cm), la distance entre l~axe central du rouleau d~avance (14) et l~axe central du rouleau de stratification (30) L (cm), l~épaisseur du film poreux (1) T1 (cm), et l~épaisseur du substrat support (2) T2 (cm), une condition représentée par l~expression suivante (1) est satisfaite. R1+R2+T1+T2<=L<=R1+R2+100 (1)
Fetherstonhaugh & Co.
Sumitomo Chemical Company Limited
LandOfFree
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