JP2005320478A - 液晶ポリエステル樹脂組成物の接合方法および液晶ポリエステル樹脂組成物接合体 - Google Patents
液晶ポリエステル樹脂組成物の接合方法および液晶ポリエステル樹脂組成物接合体 Download PDFInfo
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- JP2005320478A JP2005320478A JP2004141180A JP2004141180A JP2005320478A JP 2005320478 A JP2005320478 A JP 2005320478A JP 2004141180 A JP2004141180 A JP 2004141180A JP 2004141180 A JP2004141180 A JP 2004141180A JP 2005320478 A JP2005320478 A JP 2005320478A
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- 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
- C08G63/60—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from the reaction of a mixture of hydroxy carboxylic acids, polycarboxylic acids and polyhydroxy compounds
- C08G63/605—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from the reaction of a mixture of hydroxy carboxylic acids, polycarboxylic acids and polyhydroxy compounds the hydroxy and carboxylic groups being bound to aromatic rings
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- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
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Abstract
【解決手段】 示差走査熱量計により測定される融点が190℃以上250℃未満である液晶ポリエステル樹脂を含む液晶ポリエステル樹脂組成物を溶着により接合することを特徴とする、液晶ポリエステル樹脂組成物の接合方法を提供する。
【選択図】なし
Description
さらに本発明は、上記接合方法により得られる、液晶ポリエステル樹脂組成物接合体に関する。なお、ここで「液晶ポリエステル樹脂組成物接合体」とは、本発明の方法により接合された接合部分を有する製品をいうものとする。
異方性溶融相の性質は直交偏向子を利用した通常の偏向検査法、すなわちホットステージにのせた試料を窒素雰囲気下で観察することにより確認できる。
0.4≦p/q≦2.0
2モル%≦r≦15モル%
2モル%≦s≦15モル%。]
触媒の具体例としては、ジアルキルスズオキシド(たとえばジブチルスズオキシド)、ジアリールスズオキシドなどの有機スズ化合物;二酸化チタン、三酸化アンチモン、アルコキシチタンシリケート、チタンアルコキシドなどの有機チタン化合物;カルボン酸のアルカリおよびアルカリ土類金属塩(たとえば酢酸カリウム);無機酸塩類(たとえば硫酸カリウム);ルイス酸(例えば三フッ化硼素)、ハロゲン化水素(例えば塩化水素)などの気体状酸触媒などが挙げられる。
触媒の使用割合は、通常モノマーに対して10〜1000ppm、好ましくは20〜20ppmである。
セイコーインスツルメント株式会社製 Exstar6000を用い、液晶ポリエステル樹脂の試料を、室温から20℃/分の昇温条件で測定した際に観測される吸熱ピーク温度(Tm1)の観測後、Tm1より20〜50℃高い温度で10分間保持する。ついで、20℃/分の降温条件で室温まで試料を冷却した後に、再度20℃/分の昇温条件で測定した際の吸熱ピークを観測し、そのピークトップを示す温度を液晶ポリエステル樹脂の融点とした。
繊維状の充填材および/または強化材としては、たとえばガラス繊維、シリカアルミナ繊維、アルミナ繊維、炭素繊維、アラミド繊維などが挙げられる。これらの中では、ガラス繊維が物性とコストのバランスが優れている点で好ましい。
板状あるいは粉状の充填材および/または強化材としては、例えばタルク、マイカ、グラファイト、ウォラストナイト、炭酸カルシウム、ドロマイト、クレイ、ガラスフレーク、ガラスビーズ、硫酸バリウム、酸化チタンなどが挙げられる。
しかし、本発明の目的を損なわない範囲で、さらに示差走査熱量計により測定される融点が190℃以上250℃未満である他の樹脂成分を配合してもよい。他の樹脂成分としては、たとえばポリアミド、ポリエステル、ポリフェニレンスルフィド、ポリエーテルケトン、ポリカーボネート、ポリフェニレンエーテル、およびその変性物、ポリスルホン、ポリエーテルスルホン、ポリエーテルイミドなどの熱可塑性樹脂や、例えばフェノール樹脂、エポキシ樹脂、ポリイミド樹脂などの熱硬化性樹脂が挙げられる。他の樹脂成分は、単独で、あるいは2種以上を組み合わせて配合することができる。他の樹脂成分の配合量は特に限定的ではなく、液晶ポリエステル樹脂組成物の用途や目的に応じて適宜定めればよい。典型的には液晶ポリエステル樹脂100重量部に対する他の樹脂の合計配合量が0〜150重量部、特に40〜100重量部となる範囲で添加される。
[超音波溶着]
超音波電気エネルギーを機械振動エネルギーに変換し、接合面に局部的な摩擦熱を発生させて樹脂を溶着する溶着加工方法。
[高周波溶着]
高周波の誘電加熱作用を利用して溶着物に内部発熱を起こさせ溶着する溶着加工方法。
[電磁誘導溶着]
被溶着物内にセットされた金属体、磁性体だけを選択発熱させ、間接的に樹脂を溶融させ溶着する溶着加工方法。
[インパルス溶着]
圧子で材料を加圧したのち、圧子先端にあるニクロムバンドに瞬時的に通電して樹脂同士を溶融させ溶着する方法。
[振動溶着]
被溶着物どうしに荷重をかけ、片方の被溶着物を水平方向に振動させることによって接合面に発生する摩擦熱を利用し溶着する方法。
[スピン溶着]
円形の成型品を加圧し、高速回転させる事により摩擦熱を発生させて溶着する方法。
スカーフジョイントとは、一般にそぎ接ぎ、台持ち接ぎと呼ばれるものであり、2つの被接合体の端面の両者に、そぎ、あるいは切り込みを入れて接合する方法である。斜面による完全な面接触であり、接合部が均一に発熱するとともに広い溶着面積が得られるため、非常に強い溶着強度が得られる。
シェアージョイントとは、凸側被接合体のエッジ部分と、凹側被接合体のテーパー部に擦れるような振動をかける剪断溶着方法に用いるジョイントである。発熱効果が高く、強い溶着強度を得ることができる。また被接合体の接触面と振動方向が同一方向に近づく為、溶着面に気泡が生じにくく、水密性や気密性に優れた接合体が得られる。
さらにフィルム、不織布などにおいては本発明の方法により容易にシール可能であり、ガスバリア性や耐薬品性に優れるバッグ等が製造可能となる。
〔液晶ポリエステル樹脂モノマー〕
BON6:6−ヒドロキシ−2−ナフトエ酸
POB:パラヒドロキシ安息香酸
HQ:ハイドロキノン
BP:4,4’−ジヒドロキシビフェニル
TPA:テレフタル酸
IPA:イソフタル酸
LCP−Iの合成
トルクメーター付き攪拌装置および留出管を備えた反応容器にBON6、POB、HQおよびTPAを、表1に示す組成比で、総量5molとなるように仕込み、次いで酢酸カリウム0.05g(全モノマーに対し67モルppm)および全モノマーの水酸基量(モル)に対して1.025倍モルの無水酢酸を仕込み、次の条件で脱酢酸重合を行った。
得られた液晶ポリエステル樹脂のDSCにより測定された融点は218℃であった。
LCP−IIの合成
トルクメーター付き攪拌装置および留出管を備えた反応容器にPOBおよびBON6を、以下の表2に示す組成比で、総量5molとなるように仕込み、次いで酢酸カリウム0.05g(全モノマーに対し67モルppm)および全モノマーの水酸基量(モル)に対して1.025倍モルの無水酢酸を仕込み、次の条件で脱酢酸重合を行った。
得られた液晶ポリエステル樹脂のDSCにより測定された融点は280℃であった。
LCP−IIIの合成
トルクメーター付き攪拌装置および留出管を備えた反応容器にPOB、BP、TPAおよびIPAを、以下の表3に示す組成比で、総量5molとなるように仕込み、次いで酢酸カリウム0.05g(全モノマーに対し67モルppm)および全モノマーの水酸基量(モル)に対して1.025倍モルの無水酢酸を仕込み、次の条件で脱酢酸重合を行った。
得られた液晶ポリエステル樹脂のDSCにより測定された融点は330℃であった。
液晶ポリエステル樹脂LCP−I(A)100重量部に対し、表4に示す重量部のガラス繊維(旭ファイバーグラス株式会社製、FT562)(B)または炭素繊維(東邦テナックス株式会社製、HTA−C6−S)(C)をヘンシェルミキサーで混合した後に、二軸押出し機(株式会社日本製鋼所製、TEX30α)を用いて、シリンダー温度235℃でペレット状に造粒し、液晶ポリエステル樹脂組成物を得た。得られた樹脂組成物のペレットを130℃で4時間乾燥した後、射出成形機(ファナック株式会社製、α−100iA)を用いて、シリンダー温度240℃、金型温度70℃にて、図1に示すスカーフジョイントを有する成形品と図2に示すシェアージョイントを有する成形品を作製した。
得られた接合体の接合強度として、インストロン製5567によって、接合面に対し垂直方向の、引張り速度5mm/秒における破断荷重を評価した。結果を表4に示す。
加振:20KHz
ホーン:コニカル型 TIN材 3/4インチ径
溶着時間:80m秒
ホールド時間:0.5秒
LCP−IをLCP−IIに変え、射出成形条件をシリンダー温度300℃、金型温度70℃とすることの他は、実施例1と同様に接合体を作製し、接合強度の評価を行った。結果を表4に示す。
LCP−IをLCP−IIIに変え、射出成形条件をシリンダー温度350℃、金型温度70℃とすることの他は、実施例1と同様に接合体を作製し、接合強度の評価を行った。結果を表4に示す。
Claims (10)
- 示差走査熱量計により測定される融点が190℃以上250℃未満である液晶ポリエステル樹脂を含む液晶ポリエステル樹脂組成物を溶着により接合することを特徴とする、液晶ポリエステル樹脂組成物の接合方法。
- 溶着方法が、超音波溶着、振動溶着、高周波溶着、電磁誘導溶着、インパルス溶着、およびスピン溶着から選択される方法である、請求項1から3のいずれかに記載の液晶ポリエステル樹脂組成物の接合方法。
- 溶着方法が、超音波溶着、振動溶着またはスピン溶着であり、液晶ポリエステル樹脂組成物が、スカーフジョイント、およびシェアージョイントから選択される形状のジョイントを有するものである請求項1から3のいずれかに記載の液晶ポリエステル樹脂組成物の接合方法。
- 液晶ポリエステル樹脂組成物が、液晶ポリエステル樹脂100重量部に対して、100重量部までの充填材および/または強化材を含むものである、請求項1から5のいずれかに記載の液晶ポリエステル樹脂組成物の接合方法。
- 充填材および/または強化材が、ガラス繊維、シリカアルミナ繊維、アルミナ繊維、炭素繊維、アラミド繊維、タルク、マイカ、グラファイト、ウォラストナイト、炭酸カルシウム、ドロマイト、クレイ、ガラスフレーク、ガラスビーズ、硫酸バリウム、および酸化チタンからなる群から選択される1種以上である請求項6に記載の液晶ポリエステル樹脂組成物の接合方法。
- 充填材および/または強化材がガラス繊維である、請求項7に記載の液晶ポリエステル樹脂組成物の接合方法。
- 請求項1から8のいずれかに記載の接合方法により得られる、液晶ポリエステル樹脂組成物接合体。
- 被接合体の形状が、成形品、フィルム、シート、および不織布からなる群より選択されるものである請求項9に記載の液晶ポリエステル樹脂組成物接合体。
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004141180A JP4558374B2 (ja) | 2004-05-11 | 2004-05-11 | 液晶ポリエステル樹脂組成物の接合方法および液晶ポリエステル樹脂組成物接合体 |
| TW094114998A TWI357911B (en) | 2004-05-11 | 2005-05-10 | Method for joining liquid-crystalline polyester re |
| US11/125,240 US7238769B2 (en) | 2004-05-11 | 2005-05-10 | Method for joining liquid-crystalline polyester resin composition parts and jointed article made of liquid-crystalline polyester resin composition |
| KR1020050039512A KR101175973B1 (ko) | 2004-05-11 | 2005-05-11 | 액정질 폴리에스테르 수지 조성물 부품의 접합 방법 및액정질 폴리에스테르 수지 조성물로 제조된 접합품 |
| AT05010230T ATE466899T1 (de) | 2004-05-11 | 2005-05-11 | Verfahren zum verbinden von teilen aus flüssigkristalliner polyesterharz-zusammensetzung und verbundener gegenstand aus flüssigkristalliner polyesterharz-zusammensetzung |
| SG200503161A SG117586A1 (en) | 2004-05-11 | 2005-05-11 | Method for joining liquid-crystalline polyester resin composition parts and jointed article made of liquid-crystalline polyester resin composition |
| CN2005100687895A CN1743164B (zh) | 2004-05-11 | 2005-05-11 | 由液晶聚酯树脂组合物部件构成的接合制品 |
| DE602005021023T DE602005021023D1 (de) | 2004-05-11 | 2005-05-11 | Verfahren zum Verbinden von Teilen aus flüssigkristalliner Polyesterharz-Zusammensetzung und verbundener Gegenstand aus flüssigkristalliner Polyesterharz-Zusammensetzung |
| EP05010230A EP1595906B1 (en) | 2004-05-11 | 2005-05-11 | Method for joining liquid-crystalline polyester resin composition parts and jointed article made of liquid-crystalline polyester resin composition |
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| Application Number | Priority Date | Filing Date | Title |
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| JP2004141180A JP4558374B2 (ja) | 2004-05-11 | 2004-05-11 | 液晶ポリエステル樹脂組成物の接合方法および液晶ポリエステル樹脂組成物接合体 |
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| Publication Number | Publication Date |
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| JP2005320478A true JP2005320478A (ja) | 2005-11-17 |
| JP4558374B2 JP4558374B2 (ja) | 2010-10-06 |
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| US (1) | US7238769B2 (ja) |
| EP (1) | EP1595906B1 (ja) |
| JP (1) | JP4558374B2 (ja) |
| KR (1) | KR101175973B1 (ja) |
| CN (1) | CN1743164B (ja) |
| AT (1) | ATE466899T1 (ja) |
| DE (1) | DE602005021023D1 (ja) |
| SG (1) | SG117586A1 (ja) |
| TW (1) | TWI357911B (ja) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8440780B2 (en) | 2010-12-27 | 2013-05-14 | Toray Industries, Inc. | Wholly aromatic liquid crystalline polyester and method of producing the same |
| JP2014218573A (ja) * | 2013-05-08 | 2014-11-20 | 上野製薬株式会社 | ポリカーボネート樹脂組成物 |
| JP2019043996A (ja) * | 2017-08-30 | 2019-03-22 | 上野製薬株式会社 | 液晶ポリエステル樹脂 |
| JP2020147669A (ja) * | 2019-03-13 | 2020-09-17 | 上野製薬株式会社 | 樹脂組成物 |
| WO2021010436A1 (ja) * | 2019-07-17 | 2021-01-21 | 住友化学株式会社 | 溶着成形体の製造方法、溶着成形体及びパイプ |
| WO2022019296A1 (ja) * | 2020-07-21 | 2022-01-27 | Eneos株式会社 | 液晶ポリエステル樹脂、成形品、および電気電子部品 |
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| TW200808860A (en) * | 2006-06-15 | 2008-02-16 | Sumitomo Chemical Co | Liquid crystalling polymer composition and use thereof |
| JP5225653B2 (ja) * | 2007-10-30 | 2013-07-03 | 上野製薬株式会社 | 液晶ポリエステルブレンド |
| DE102008014938B9 (de) * | 2008-02-29 | 2015-10-29 | Stahlwerk Ergste Westig Gmbh | Verfahren zum Herstellen von Federschienen für Scheibenwischer |
| KR101763948B1 (ko) * | 2011-05-06 | 2017-08-01 | 심천 워트 어드밴스드 머티리얼즈 주식회사 | 반사체 및 이를 구비하는 발광장치 |
| JP5806063B2 (ja) * | 2011-09-29 | 2015-11-10 | 住友化学株式会社 | 液晶ポリエステル組成物及びコネクタ |
| US20180071995A1 (en) | 2015-03-25 | 2018-03-15 | Mitsubishi Gas Chemical Company, Inc. | Thermoplastic resin film laminate and molded article comprising thermoplastic resin film laminate |
| CN108148433A (zh) * | 2017-12-26 | 2018-06-12 | 上海普利特化工新材料有限公司 | 一种低翘曲耐高温导电液晶聚酯复合材料及其制备方法 |
| CN110498913B (zh) * | 2018-05-16 | 2022-06-03 | 臻鼎科技股份有限公司 | 改性的液晶高分子聚合物、高分子膜及相应的制备方法 |
| CN115926212B (zh) * | 2022-12-01 | 2025-02-18 | 哈尔滨工业大学(深圳) | 一种液晶弹性体柔性器件及其制备方法和应用 |
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| JP2003171450A (ja) * | 2001-12-10 | 2003-06-20 | Ueno Seiyaku Oyo Kenkyusho:Kk | 液晶ポリエステル樹脂の製造方法 |
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| US8440780B2 (en) | 2010-12-27 | 2013-05-14 | Toray Industries, Inc. | Wholly aromatic liquid crystalline polyester and method of producing the same |
| JP2014218573A (ja) * | 2013-05-08 | 2014-11-20 | 上野製薬株式会社 | ポリカーボネート樹脂組成物 |
| JP2019043996A (ja) * | 2017-08-30 | 2019-03-22 | 上野製薬株式会社 | 液晶ポリエステル樹脂 |
| JP7194049B2 (ja) | 2019-03-13 | 2022-12-21 | 上野製薬株式会社 | 樹脂組成物 |
| JP2020147669A (ja) * | 2019-03-13 | 2020-09-17 | 上野製薬株式会社 | 樹脂組成物 |
| WO2021010436A1 (ja) * | 2019-07-17 | 2021-01-21 | 住友化学株式会社 | 溶着成形体の製造方法、溶着成形体及びパイプ |
| JPWO2021010436A1 (ja) * | 2019-07-17 | 2021-01-21 | ||
| CN114126847A (zh) * | 2019-07-17 | 2022-03-01 | 住友化学株式会社 | 焊接成型体的制造方法、焊接成型体以及管 |
| EP4000906A4 (en) * | 2019-07-17 | 2023-08-02 | Sumitomo Chemical Company, Limited | METHOD OF PRODUCTION OF A WELDED FITTING, WELDED FITTING AND PIPE |
| JP7576030B2 (ja) | 2019-07-17 | 2024-10-30 | 住友化学株式会社 | 溶着成形体の製造方法、溶着成形体及びパイプ |
| WO2022019296A1 (ja) * | 2020-07-21 | 2022-01-27 | Eneos株式会社 | 液晶ポリエステル樹脂、成形品、および電気電子部品 |
| JP2022021173A (ja) * | 2020-07-21 | 2022-02-02 | Eneos株式会社 | 液晶ポリエステル樹脂、成形品、および電気電子部品 |
| JP7458924B2 (ja) | 2020-07-21 | 2024-04-01 | Eneos株式会社 | 液晶ポリエステル樹脂、成形品、および電気電子部品 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1743164A (zh) | 2006-03-08 |
| SG117586A1 (en) | 2005-12-29 |
| KR101175973B1 (ko) | 2012-08-22 |
| EP1595906B1 (en) | 2010-05-05 |
| TWI357911B (en) | 2012-02-11 |
| DE602005021023D1 (de) | 2010-06-17 |
| CN1743164B (zh) | 2010-06-16 |
| US20050256289A1 (en) | 2005-11-17 |
| ATE466899T1 (de) | 2010-05-15 |
| JP4558374B2 (ja) | 2010-10-06 |
| TW200609267A (en) | 2006-03-16 |
| US7238769B2 (en) | 2007-07-03 |
| KR20060047779A (ko) | 2006-05-18 |
| EP1595906A1 (en) | 2005-11-16 |
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