JP2013543044A - 流動性が向上した全芳香族液晶ポリエステル樹脂コンパウンド - Google Patents
流動性が向上した全芳香族液晶ポリエステル樹脂コンパウンド Download PDFInfo
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- 238000006640 acetylation reaction Methods 0.000 description 2
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/04—Polyesters derived from hydroxycarboxylic acids, e.g. lactones
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
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- C—CHEMISTRY; METALLURGY
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08K3/346—Clay
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
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- C09K19/00—Liquid crystal materials
- C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
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- C09K19/3804—Polymers with mesogenic groups in the main chain
- C09K19/3809—Polyesters; Polyester derivatives, e.g. polyamides
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2261/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G2261/50—Physical properties
- C08G2261/53—Physical properties liquid-crystalline
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- C08K2201/00—Specific properties of additives
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Abstract
Description
(a)少なくとも2種の単量体を縮重合することにより、全芳香族液晶ポリエステル・プレポリマーを合成する段階。
(b)前記プレポリマーを固相縮重合することにより、全芳香族液晶ポリエステル樹脂を合成する段階。
(2)芳香族ジアミンから由来する反復単位:−HN−Ar−NH−
(3)芳香族ヒドロキシアミンから由来する反復単位:−HN−Ar−O−
(4)芳香族ジカルボン酸から由来する反復単位:−OC−Ar−CO−
(5)芳香族ヒドロキシカルボン酸から由来する反復単位:−O−Ar−CO−
(6)芳香族アミノカルボン酸から由来する反復単位:−HN−Ar−CO−
(1)全芳香族液晶ポリエステル樹脂の製造
温度調節が可能な100リットル容量の回分式反応器に、パラヒドロキシベンゾ酸24.4kg、ビフェノール10.8kg、テレフタル酸7.3kg及びイソフタル酸2.4kgを投入して窒素ガスを注入し、前記反応器の内部空間を不活性状態にした後、前記反応器に酢酸無水物(acetic anhydride)33kgをさらに添加した。その後、反応器の温度を、30分にわたって150℃まで昇温させ、前記温度で3時間、前記単量体のアルコール機能基をアセチル化させた。次に、前記アセチル化反応で生成された酢酸を除去しながら、反応器温度を6時間にわたって、330℃まで昇温させ、単量体の縮重合反応によって、全芳香族液晶ポリエステル・プレポリマーを製造した。また、前記プレポリマーの製造時に、副産物として酢酸がさらに生成されるが、この酢酸も、前記アセチル化反応で生成された酢酸と共に、前記プレポリマー製造最中に、連続して除去した。次に、前記プレポリマーを反応器から回収して冷却固化させた。
前記(1)で製造された全芳香族液晶ポリエステル樹脂、ガラスファイバ(ソンジンファイバ、MF150W−NT)及び雲母(東洋素材化学、MICA#400、平均粒径45μm)を、重量基準で60:30:10の比率で混合し、二軸押出機(L/D:40、直径:20mm)を使用して溶融混練した。前記溶融混練時、押出機のバレル温度は、350℃であった。また、前記溶融混練時、前記二軸押出機に真空を加えて副産物を除去した。
前記実施例1の(1)で製造した全芳香族液晶ポリエステル樹脂、ガラスファイバ(ソンジンファイバ、MF150W−NT)及び雲母(ソギョンCMT、SM−400、平均粒径20μm)の混合比を、重量基準で60:25:15に変更したことを除き、前記実施例1と同一の方法で、全芳香族液晶ポリエステル樹脂のコンパウンド(2)を製造した。
前記実施例1の(1)で製造された全芳香族液晶ポリエステル樹脂、ガラスファイバ(ソンジンファイバ、MF150W−NT)及び雲母(東洋素材化学、MICA#400、平均粒径45μm)の混合比を、重量基準で60:10:30に変更したことを除き、前記実施例1と同一の方法で、全芳香族液晶ポリエステル樹脂コンパウンド(3)を製造した。
雲母(東洋素材化学、MICA#400、平均粒径45μm)の代わりに、滑石(東洋素材化学、ETA#400、平均粒径11μm)を使用したことを除き、前記実施例1と同一の方法で、全芳香族液晶ポリエステル樹脂コンパウンド(4)を製造した。
雲母(東洋素材化学、MICA#400、平均粒径45μm)の代わりに、雲母(ソギョンCMT、SM−1000、平均粒径7μm)を使用したことを除き、前記実施例1と同一の方法で、全芳香族液晶ポリエステル樹脂コンパウンド(5)を製造した。
前記実施例1,2及び比較例1〜3で製造されたそれぞれの全芳香族液晶ポリエステル樹脂コンパウンド(1)〜(5)の物性を、下記のような方法で測定した。
溶融粘度測定装置(ロザンド社、RH2000)を使用し、1.0mm×32mm毛細管で、330℃の温度及び1/1,000sの剪断速度条件下で、各全芳香族液晶ポリエステル樹脂コンパウンドの粘度を測定し、これを溶融粘度とした。溶融粘度が低いほど、流動性が高いということを意味する。
各全芳香族液晶ポリエステル樹脂コンパウンドの屈曲強度及び屈曲弾性率をASTM D790によって測定した。
各全芳香族液晶ポリエステル樹脂コンパウンドの耐熱度を、ASTM D648によって測定した。このとき、付与された圧力は、18.5kgf/cm2であった。
Claims (4)
- 300ないし450℃の溶融点を有する全芳香族液晶ポリエステル樹脂100重量部と、20〜50μmの平均粒径を有する雲母5〜20重量部と、を含む全芳香族液晶ポリエステル樹脂コンパウンド。
- 前記雲母を除いた無機充填剤を追加して含む請求項1に記載の全芳香族液晶ポリエステル樹脂コンパウンド。
- 前記無機充填剤は、ガラスファイバ、滑石、炭酸カルシウム及び粘土からなる群から選択された少なくとも一つを含む請求項2に記載の全芳香族液晶ポリエステル樹脂コンパウンド。
- 前記無機充填剤の含量は、前記全芳香族液晶ポリエステル樹脂100重量部に対して、5ないし90重量部である請求項2に記載の全芳香族液晶ポリエステル樹脂コンパウンド。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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KR10-2010-0113904 | 2010-11-16 | ||
KR20100113904A KR20120052647A (ko) | 2010-11-16 | 2010-11-16 | 유동성이 향상된 전방향족 액정 폴리에스테르 수지 컴파운드 |
PCT/KR2011/008687 WO2012067396A2 (ko) | 2010-11-16 | 2011-11-15 | 유동성이 향상된 전방향족 액정 폴리에스테르 수지 컴파운드 |
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US (1) | US9109111B2 (ja) |
EP (1) | EP2641937B1 (ja) |
JP (1) | JP6258705B2 (ja) |
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WO (1) | WO2012067396A2 (ja) |
Cited By (2)
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CN115151414A (zh) | 2020-02-26 | 2022-10-04 | 提克纳有限责任公司 | 用于电子器件的聚合物组合物 |
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US9109111B2 (en) | 2015-08-18 |
US20130231434A1 (en) | 2013-09-05 |
WO2012067396A3 (ko) | 2012-09-07 |
EP2641937A2 (en) | 2013-09-25 |
KR20120052647A (ko) | 2012-05-24 |
EP2641937A4 (en) | 2017-01-25 |
WO2012067396A2 (ko) | 2012-05-24 |
EP2641937B1 (en) | 2020-06-17 |
JP6258705B2 (ja) | 2018-01-10 |
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