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Composite gas barrier laminate and method for producing same
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A laminated body, gas barrier technology, applied in semiconductor/solid-state device manufacturing, chemical instruments and methods, synthetic resin layered products, etc. less effect
Active Publication Date: 2016-08-31
ZEON CORP
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In particular, if the organic material inside the organic EL element is degraded by water vapor and oxygen, the performance may be greatly reduced. Therefore, a member with excellent gas barrier properties is particularly required
Method used
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Embodiment 1
[0231] (1-1. Laminate (A1) and film (b1))
[0232] A roll-shaped film (a1) of alicyclic polyolefin resin (a film containing a norbornenepolymer, ZeonorFilm ZF16 manufactured by Japan Zeon Co., Ltd., thickness 100 μm, Re=5 nm, Tg 163° C.) was drawn out, and on one surface A SiOC film with a thickness of 1 μm was formed using a plasma CVD apparatus to obtain a gas barrier laminate (A1). The obtained gas barrier laminate (A1) had curls with a curl amount of 14 mm.
[0233] Separately, a roll-shaped film (b1) (film containing a norbornenepolymer, Zeonor Film ZD16 manufactured by Zeon Corporation, thickness 40 μm, Re=140 nm, Tg 163° C.) was prepared.
[0234] (1-2. Film (c) of hot-melt resin)
[0235] In addition, a Tg120° C. film made of a styrene-isoprene-styrenecopolymer having a thickness of 50 μm was prepared as a film (c) of a hot-melt resin.
[0247] A roll-shaped film (a2) of alicyclic polyolefin resin (a film containing a norbornenepolymer, ZeonorFilm ZD16 manufactured by Japan Zeon Co., Ltd., thickness 40 μm, Re=14 nm, Tg 163° C.) was drawn out, and on one surface A SiOC film with a thickness of 1 μm was formed using a plasma CVD apparatus to obtain a gas barrier laminate (A2). The obtained gas barrier laminate (A2) had curls with a curl amount of 16 mm.
[0248] Separately, a roll-shaped film (b2) (film containing a norbornene polymer, Zeonor Film ZF16 manufactured by Zeon Corporation, thickness 25 μm, Re=20 nm, Tg 163° C.) was prepared.
[0249] (2-2. Film (c) of hot-melt resin)
[0250] In the same manner as in the step (1-2) of Example 1, a film having a Tg of 120° C. made of a styrene-isoprene-styrene copolymer having a thickness of 35 μm was prepared as a thermally fused film (c).
[0251] (2-3. Heating and pressing)
[0252] The gas barrier laminate (A2) and...
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Abstract
A composite gas barrier laminate for organic electroluminescent light emitting elements, which is provided with: a gas barrier laminate (A) that is provided with a film (a) of an alicyclic polyolefin resin and one or more inorganic barrier layers (a) that are directly provided on at least one surface of the film (a); a film (b) of an alicyclic polyolefin resin, which has a thickness not more than the thickness of the film (a); and a thermofusible layer that is interposed between the inorganic barrier layers (a) and the film (b) so as to bond the inorganic barrier layers and the film (b). The glass transition temperature of the thermofusible layer is lower than the glass transition temperature of the alicyclic polyolefin resin constituting the film (a) and the film (b) by 25 DEG C or more. A method for producing this composite gas barrier laminate for organic electroluminescent light emitting elements.
Description
technical field [0001] The present invention relates to a composite gas barrier laminated body and its manufacturing method. Background technique [0002] In an organic electroluminescent element (hereinafter also appropriately referred to as "organic EL element" or simply "element"), in order to prevent the penetration of water vapor and oxygen into the element, a member having gas barrier properties is sometimes provided. . In particular, if the organic material inside the organic EL element is degraded by water vapor and oxygen, the performance may be greatly reduced. Therefore, a member excellent in gas barrier properties is particularly required. [0003] As such a member, for example, a member provided with an inorganic layer is known (for example, refer to Patent Document 1). In general, the inorganic layer is excellent in barrier ability to water vapor and oxygen, and thus gas barrier properties can be obtained by using the inorganic layer. In addition, the thicke...
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