JP2020125485A5 - - Google Patents

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JP2020125485A5
JP2020125485A5 JP2020075562A JP2020075562A JP2020125485A5 JP 2020125485 A5 JP2020125485 A5 JP 2020125485A5 JP 2020075562 A JP2020075562 A JP 2020075562A JP 2020075562 A JP2020075562 A JP 2020075562A JP 2020125485 A5 JP2020125485 A5 JP 2020125485A5
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polyimide
bluing agent
laminate according
layer
agent
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JP2020075562A
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JP2020125485A (en
JP7005680B2 (en
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Claims (8)

少なくとも１種のポリイミド系高分子を含有し、黄色度ＹＩが０＜ＹＩ＜１．０であり、厚みが２０〜２００μｍであるポリイミドフィルム、および
前記ポリイミドフィルムの視認側表面に配置されるハードコート層
を有するポリイミド積層体であって、
ハードコート層は、ウレタン（メタ）クリレート、アルキル（メタ）クリレート、エステル（メタ）クリレート及びエポキシ（メタ）クリレート、並びにその重合体及び共重合体からなる群から選択されるアクリル系樹脂を含む、
ポリイミド積層体。 Contains at least one polyimide polymer, Ri yellowness YI is 0 <YI <1.0 der, a polyimide film thickness of 20 to 200 [mu] m, and
A hard coat layer arranged on the visible side surface of the polyimide film
It is a polyimide laminated body having
The hard coat layer contains an acrylic resin selected from the group consisting of urethane (meth) clearate, alkyl (meth) clearate, ester (meth) clearate and epoxy (meth) clearate, and polymers and copolymers thereof.
Polyimide laminate . 全光線透過率が８８．０％以上である、請求項１に記載のポリイミド積層体。 The polyimide laminate according to claim 1 , wherein the total light transmittance is 88.0% or more. 少なくとも１種のブルーイング剤をさらに含有する、請求項１又は２に記載のポリイミド積層体。 The polyimide laminate according to claim 1 or 2 , further containing at least one bluing agent. ブルーイング剤及びポリイミド系高分子を含有する層を少なくとも有する積層体であるか、ポリイミド系高分子を含有する基材層とブルーイング剤を含有するハードコート層を少なくとも有する積層体であるか、又は、ポリイミド系高分子を含有する基材層と、ハードコート層と、ブルーイング剤を含有する色相調整層を少なくとも有する積層体である、請求項１〜３のいずれかに記載のポリイミド積層体。 Bed Ruingu agent and either a layer containing the polyimide polymer is a laminate having at least either a laminate having at least a hard coat layer containing a substrate layer and bluing agent containing polyimide polymer, The polyimide laminate according to any one of claims 1 to 3 , which is a laminate having at least a base material layer containing a polyimide polymer , a hard coat layer, and a hue adjusting layer containing a brewing agent. .. 少なくとも１層のブルーイング剤を含有する層を含み、ブルーイング剤を含有する各層における、該層の全質量を基準とするブルーイング剤の添加量をＸ（ｐｐｍ）とし、該層の厚みをＹ（μｍ）として算出されるＸとＹの積（Ｘ×Ｙ）を、ブルーイング剤を含有する全ての層について算出して合計した値は３００〜４，５００である、請求項１〜４のいずれかに記載のポリイミド積層体。 In each layer containing at least one bluing agent and containing the bluing agent, the amount of the bluing agent added based on the total mass of the layer is defined as X (ppm), and the thickness of the layer is defined as X (ppm). Claims 1 to 4 in which the product of X and Y (X × Y) calculated as Y (μm) is calculated for all layers containing the bluing agent and the total value is 300 to 4,500. The polyimide laminate according to any one of. ブルーイング剤は、式（６）：
Figure 2020125485
 ［式（６）中、Ｘ１はＯＨ、ＮＨＲ１又はＮＲ１Ｒ２を表し、Ｘ２はＮＨＲ３又はＮＲ３Ｒ４を表し、Ｒ１、Ｒ２、Ｒ３及びＲ４は、互いに独立して、炭素数１〜６の直鎖状又は分枝状アルキル基、又は、炭素数１〜６の直鎖状又は分枝状アルキル基で置換されたフェニル基を表す。］
で表され、２２０℃以上の１％熱重量減少温度を有する化合物である、請求項３〜５のいずれかに記載のポリイミド積層体。 The bluing agent is the formula (6):
Figure 2020125485
 [In formula (6), X 1 represents OH, NHR 1 or NR 1 R 2 , X 2 represents NHR 3 or NR 3 R 4 , and R 1 , R 2 , R 3 and R 4 are independent of each other. Then, it represents a linear or branched alkyl group having 1 to 6 carbon atoms or a phenyl group substituted with a linear or branched alkyl group having 1 to 6 carbon atoms. ]
The polyimide laminate according to any one of claims 3 to 5 , which is a compound represented by and having a 1% thermogravimetric reduction temperature of 220 ° C. or higher. ブルーイング剤は、式（１）〜式（３）：
Figure 2020125485
 で表される化合物からなる群から選択される少なくとも１種である、請求項６に記載のポリイミド積層体。 The bluing agent has formulas (1) to (3):
Figure 2020125485
 The polyimide laminate according to claim 6 , which is at least one selected from the group consisting of the compounds represented by. さらにシリカ粒子を含有する、請求項１〜７のいずれかに記載のポリイミド積層体。 The polyimide laminate according to any one of claims 1 to 7 , further containing silica particles.
JP2020075562A 2017-02-01 2020-04-21 Polyimide film Active JP7005680B2 (en)

Applications Claiming Priority (2)

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JP2017017154 2017-02-01
JP2017017154 2017-02-01

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