Method for producing obliquely stretched film
A manufacturing method and a stretching film technology are applied in the manufacturing field of oblique stretched films and can solve the problems of uneven display and the like
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[0035] One embodiment of the present invention will be as follows if described based on the drawings. In addition, in this specification, when a numerical range is shown as A-B, the value of the lower limit A and the upper limit B is included in this numerical range.
[0036] The method for producing a long diagonally stretched film according to this embodiment is to stretch a long raw film containing a thermoplastic resin in a diagonal direction with respect to the width direction and the long side direction to produce a long diagonal stretch film. A method for producing a long diagonally stretched film of a stretched film.
[0037]The orientation direction of the elongated obliquely stretched film, that is, the direction of the slow axis is a direction that forms an angle greater than 0° and less than 90° with respect to the broadside direction of the film in the film plane (in the plane perpendicular to the thickness direction) (It automatically becomes a direction which f...
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