JP2018123319A5 - - Google Patents

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JP2018123319A5
JP2018123319A5 JP2018013792A JP2018013792A JP2018123319A5 JP 2018123319 A5 JP2018123319 A5 JP 2018123319A5 JP 2018013792 A JP2018013792 A JP 2018013792A JP 2018013792 A JP2018013792 A JP 2018013792A JP 2018123319 A5 JP2018123319 A5 JP 2018123319A5
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polyimide film
bluing agent
layer containing
polyimide
film according
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Claims (11)

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である、ポリイミドフィルム。   A polyimide film containing at least one polyimide polymer and having a yellowness degree YI of 0 <YI <1.0. 厚みが２０〜２００μｍである、請求項１に記載のポリイミドフィルム。   The polyimide film of Claim 1 whose thickness is 20-200 micrometers. 全光線透過率が８８．０％以上である、請求項１又は２に記載のポリイミドフィルム。   The polyimide film of Claim 1 or 2 whose total light transmittance is 88.0% or more. 全光線透過率が８８．５％以上である、請求項１〜３のいずれかに記載のポリイミドフィルム。The polyimide film in any one of Claims 1-3 whose total light transmittance is 88.5% or more. ポリイミド系高分子は式（１０）：  The polyimide polymer has the formula (10):
Figure 2018123319
Figure 2018123319
 ［式中、Ｇは４価の有機基であり、Ａは２価の有機基である］[Wherein G is a tetravalent organic group, and A is a divalent organic group]
で表される繰り返し構造単位、および、式（１３）：And a repeating structural unit represented by formula (13):
Figure 2018123319
Figure 2018123319
 ［式中、Ｇ[Wherein G ３3 及びＡAnd A ３3 は２価の有機基である］Is a divalent organic group]
で表される繰り返し構造単位を有する、請求項１〜４のいずれかに記載のポリイミドフィルム。The polyimide film in any one of Claims 1-4 which has a repeating structural unit represented by these. 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１〜５のいずれかに記載のポリイミドフィルム。 Further contains at least one bluing agent, a polyimide film according to any one of claims 1-5. ブルーイング剤及びポリイミド系高分子を含有する単層であるか、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、又は、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色相調整層を少なくとも有する積層体である、請求項１〜６についてのいずれかに記載のポリイミドフィルム。 It is a single layer containing a bluing agent and a polyimide polymer, or a laminate having at least a layer containing a bluing agent and a polyimide polymer, or a substrate layer containing a polyimide polymer and at least a laminate hue adjustment layer containing a bluing agent, a polyimide film according to any one of claims 1-6. 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１〜７のいずれかに記載のポリイミドフィルム。 Including each layer containing at least one bluing agent, the amount of bluing agent added to each layer containing the bluing agent based on the total mass of the layer is X (ppm), and the thickness of the layer is Y X and Y of the product calculated as (μm) (X × Y) , the value obtained by summing calculated for all of the layer containing the bluing agent is 300～4,500 claim 1-7 The polyimide film according to any one of the above. ブルーイング剤は、式（６）：
Figure 2018123319
 ［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６〜８のいずれかに記載のポリイミドフィルム。 The bluing agent is of formula (6):
Figure 2018123319
 [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. And a phenyl group substituted with a linear or branched alkyl group having 1 to 6 carbon atoms or a linear or branched alkyl group having 1 to 6 carbon atoms. ]
In the represented, it is a compound having a 1% -weight loss temperature above 220 ° C., a polyimide film according to any one of claims 6-8. ブルーイング剤は、式（１）〜式（３）：
Figure 2018123319
 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９に記載のポリイミドフィルム。 The bluing agent is represented by the formulas (1) to (3):
Figure 2018123319
 The polyimide film according to claim 9 , which is at least one selected from the group consisting of compounds represented by: さらにシリカ粒子を含有する、請求項１〜１０のいずれかに記載のポリイミドフィルム。 Furthermore, the polyimide film in any one of Claims 1-10 containing a silica particle.
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