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MULTI-LAYER LAMINATED FILM

机译:多层膜

摘要

This invention makes it a subject to provide the multilayer laminated film which suppresses the deformation | transformation of the uneven | corrugated shape by a hot press molding in the molded article by which the intermediate | middle film and the support body were arrange | positioned on at least one surface of a multilayer laminated film, The layer (A layer) which is used and the layer (B layer) which use thermoplastic resin B are alternately laminated | stacked 51 or more layers, and the heat contraction stress in 150 degreeC of a longitudinal direction and the width direction is 0.5 MPa or more and 5 MPa or less In the heat shrinkage stress curve measured under the conditions of a temperature of 25 ° C. to 200 ° C. and a temperature increase rate of 5 ° C./min, the base line before the heat shrink stress curve rises and the tangent line at the point where the slope becomes the maximum after the heat shrink stress rises. The temperature of the intersection point of the heat shrinkage stress is the rise temperature of the heat shrinkage stress in at least one of the longitudinal direction and the width direction is 110 ℃ or less A multilayer laminated film characterized by the above-mentioned.
机译:本发明的课题在于提供一种抑制变形|变形的多层层叠膜。转型的不平衡|成型品通过热压成型形成波纹状,中间中间膜和支撑体排列|将使用的层(A层)和使用热塑性树脂B的层(B层)交替地层叠在多层层叠膜的至少一个面上。层叠51层以上,在25℃的温度下测定的热收缩应力曲线中,长度方向和宽度方向在150℃下的热收缩应力为0.5MPa以上且5MPa以下。在200℃,5℃/分钟的升温速度下,热收缩应力曲线前的基线上升,热收缩应力上升后的斜率最大的切线。本发明的多层层叠膜的特征在于,热收缩应力的交点的温度为长度方向和宽度方向中的至少一方的热收缩应力的上升温度为110℃以下。

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