JP7482166B2 - ポリエステル樹脂組成物、ポリエステルフィルム及び電子装置用積層体 - Google Patents
ポリエステル樹脂組成物、ポリエステルフィルム及び電子装置用積層体 Download PDFInfo
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- JP7482166B2 JP7482166B2 JP2022054462A JP2022054462A JP7482166B2 JP 7482166 B2 JP7482166 B2 JP 7482166B2 JP 2022054462 A JP2022054462 A JP 2022054462A JP 2022054462 A JP2022054462 A JP 2022054462A JP 7482166 B2 JP7482166 B2 JP 7482166B2
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- based antioxidant
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- polyester resin
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Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/13—Phenols; Phenolates
- C08K5/134—Phenols containing ester groups
- C08K5/1345—Carboxylic esters of phenolcarboxylic acids
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/16—Dicarboxylic acids and dihydroxy compounds
- C08G63/18—Dicarboxylic acids and dihydroxy compounds the acids or hydroxy compounds containing carbocyclic rings
- C08G63/199—Acids or hydroxy compounds containing cycloaliphatic rings
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/005—Stabilisers against oxidation, heat, light, ozone
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
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- C08G63/18—Dicarboxylic acids and dihydroxy compounds the acids or hydroxy compounds containing carbocyclic rings
- C08G63/181—Acids containing aromatic rings
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/16—Dicarboxylic acids and dihydroxy compounds
- C08G63/18—Dicarboxylic acids and dihydroxy compounds the acids or hydroxy compounds containing carbocyclic rings
- C08G63/19—Hydroxy compounds containing aromatic rings
- C08G63/193—Hydroxy compounds containing aromatic rings containing two or more aromatic rings
- C08G63/197—Hydroxy compounds containing aromatic rings containing two or more aromatic rings containing condensed aromatic rings
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/78—Preparation processes
- C08G63/82—Preparation processes characterised by the catalyst used
- C08G63/85—Germanium, tin, lead, arsenic, antimony, bismuth, titanium, zirconium, hafnium, vanadium, niobium, tantalum, or compounds thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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Description
耐久性指数(/%)=△YI×10/△IV(%)
前記目的を達成するために、具現例に係るポリエステル樹脂組成物は、ポリエステル樹脂及び酸化防止剤を含む。
前記目的を達成するために、具現例に係るポリエステルフィルムは、ポリエステル樹脂;及び酸化防止剤又はその反応物;を含み、下記式1で表される耐久性指数(単位:/%)が1/%以下である。
耐久性指数(/%)=△YI×10/△IV(%)
前記目的を達成するために、具現例に係る電子装置用積層体は、多層構造を有するもので、1以上の電気伝導性層と;前記電気伝導性層の少なくとも一部を囲んで配置される絶縁層と;を含む。
ジオールとしてシクロヘキサンジメタノール(Cyclohexanedimethanol、CHDM)100モル%、及びジカルボン酸としてテレフタル酸(Terephthalic Acid、TPA)95モル%及びイソフタル酸(Isophthalic Acid、IPA)5モル%の単量体混合物を撹拌機に投入し、Ti触媒を前記単量体混合物100重量部を基準として0.001重量部投入した後、275℃でエステル交換反応を行った。前記反応物を真空設備が備えられた別途の反応器に移送した後、285℃で160分間重合してポリシクロヘキシレンジメチレンテレフタル酸(Polycyclohexylene dimethylene terephthalic Acid、PCTA)を得た。前記樹脂は、150℃以下の温度で乾燥させた後、以降の工程に適用された。このように製造されたポリシクロヘキシレンジメチレンテレフタル酸は、以降、樹脂と称する。前記樹脂は、以下の実施例1~4、比較例1及び2での樹脂として適用した。
フェノール系酸化防止剤としてビーエーエスエフ(BASF)社のIrganox 1010を適用した。
下記表1に示したように、前記樹脂にフェノール系酸化防止剤500ppm、リン系酸化防止剤1000ppm、硫黄系酸化防止剤1000ppmとして酸化防止剤を総2500ppm添加し、静電印加剤を最終フィルムの金属(金属元素と金属イオンを含む)の含量を基準として400ppm添加して押出機に投入し、約290℃で押出し、キャスティングロールにより約20℃でキャスティングしてシートを形成した。前記シートを予熱した後、110℃の温度で長手方向(MD)及び幅方向(TD)に延伸した。以降、延伸されたシートを約30秒間熱固定し、弛緩して、それぞれのポリエステルフィルムを製造した。延伸比及び熱固定温度などは、下記表1に示した。
他の条件は実施例1と同一であるが、表1による含量及び組成で、それぞれ実施例2~4、及び比較例1~2のポリエステルフィルムを製造した。
*実施例2の静電印加剤は、酢酸カリウムと酢酸マグネシウムを9:1のモル比で混合したものが適用された。
*実施例3及び実施例4、比較例1及び比較例2の静電印加剤は、それぞれ酢酸マグネシウムを適用した。
色変の評価
製造した二軸配向ポリエステルフィルムを100mm×100mmのサイズに切断し、250℃の条件で60分間オーブンに放置(以下、「オーブン処理」という)した後、YI値の変化量を△YIで表2に示した。
フィルムの割れの有無も、前記色変の評価と同じ方式でオーブンに熱処理を行った後、室温まで冷まし、約90°にフィルムを折り曲げたとき、目視で割れが発生するか否かで評価し、下記表2に示した。
製造されたフィルムの固有粘度(IV、dL/g)の変化率(△IV)は、フィルムを切断して250℃の条件で60分間オーブンに放置した後、回収し、オーブンに放置前/後のIVを測定した。フィルムのIVは、フィルム(10mg)をそれぞれ100℃のオルトクロロフェノール(Ortho-Chlorophenol)に溶解させた後、35℃の恒温槽でオストワルド(Ostwald)粘度計を用いて試料の落下時間を求め、相対粘度を測定した。得られた相対粘度は、相対粘度-固有粘度の換算表に基づいて固有粘度(IV)に変換した。
固有粘度及び黄色度の変化を全て考慮したフィルムの耐久性指数を下記表2に示した。耐久性指数は、下記式1で計算される。
耐久性指数=△YI×10/△IV(%)
Claims (7)
- ジオール残基及びジカルボン酸残基を有するポリエステル樹脂を含み、
前記ジオール残基は、シクロヘキサンジメタノール残基を含み、
前記ジカルボン酸残基は、イソフタル酸残基及びテレフタル酸残基を含み、
前記イソフタル酸残基の含量は、前記ジカルボン酸残基全体を100モル%としたとき、5~20モル%であり、
前記シクロヘキサンジメタノール残基の含量は、ジオール残基全体を100モル%としたとき、50~100モル%であり、
酸化防止剤を含み、
前記酸化防止剤は、フェノール系酸化防止剤、リン系酸化防止剤、及び硫黄系酸化防止剤を含み、
前記硫黄系酸化防止剤は、前記フェノール系酸化防止剤100重量部を基準として30重量部以上含まれ、
マグネシウムとカリウムを1:1~10のモル比で含む静電印加剤を含み、
前記静電印加剤は、前記ポリエステル樹脂100重量部を基準として、前記静電印加剤に含まれた金属又は金属イオンの含量が300~1000ppmである、ポリエステル樹脂組成物。 - 前記リン系酸化防止剤と前記硫黄系酸化防止剤を1:0.1~4の重量比で含む、請求項1に記載のポリエステル樹脂組成物。
- 前記リン系酸化防止剤と前記フェノール系酸化防止剤は1:0.1~4の重量比で含まれる、請求項1に記載のポリエステル樹脂組成物。
- 前記樹脂は残留触媒を含み、
前記触媒はチタンを含有する、請求項1に記載のポリエステル樹脂組成物。 - ポリエステルフィルムであって、
ジオール残基及びジカルボン酸残基を有するポリエステル樹脂を含み、
前記ジオール残基は、シクロヘキサンジメタノール残基を含み、
前記ジカルボン酸残基は、イソフタル酸残基及びテレフタル酸残基を含み、
前記イソフタル酸残基の含量は、前記ジカルボン酸残基全体を100モル%としたとき、5~20モル%であり、
前記シクロヘキサンジメタノール残基の含量は、ジオール残基全体を100モル%としたとき、50~100モル%であり、
酸化防止剤またはその反応物を含み、
前記酸化防止剤は、フェノール系酸化防止剤、リン系酸化防止剤、及び硫黄系酸化防止剤を含み、
マグネシウムとカリウムを1:1~10のモル比で含む静電印加剤を含み、
前記静電印加剤は、前記ポリエステル樹脂100重量部を基準として、前記静電印加剤に含まれた金属又は金属イオンの含量が300~1000ppmであり、
前記ポリエステルフィルムを250℃のオーブンで60分間放置する前を基準として前記放置後の固有粘度である固有粘度の変化率が90%以上であり、
下記式1で表される耐久性指数(単位:/%)が0.12/%~0.32/%である、ポリエステルフィルム。
[式1]
耐久性指数(/%)=△YI×10/△IV(%)
前記式1において、△YIは、前記ポリエステルフィルムを250℃の条件で60分間オーブンに放置する前と後の黄色度の変化量であり、△IV(%)は、前記ポリエステルフィルムを250℃の条件で60分間オーブンに放置する前と後の固有粘度の変化率である。 - 前記リン系酸化防止剤及びその分解物を基準として、前記硫黄系酸化防止剤が2倍以下の重量比で含まれる、請求項5に記載のポリエステルフィルム。
- 1以上の電気伝導性層と、
前記電気伝導性層の少なくとも一部を囲んで配置される絶縁層とを含み、
前記絶縁層は、請求項5に記載のポリエステルフィルムを含む、フレキシブルフラットケーブル。
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TW202300556A (zh) | 2023-01-01 |
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