JP2022505755A - 低融点コポリアミド粉末 - Google Patents
低融点コポリアミド粉末 Download PDFInfo
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- JP2022505755A JP2022505755A JP2021522413A JP2021522413A JP2022505755A JP 2022505755 A JP2022505755 A JP 2022505755A JP 2021522413 A JP2021522413 A JP 2021522413A JP 2021522413 A JP2021522413 A JP 2021522413A JP 2022505755 A JP2022505755 A JP 2022505755A
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- Prior art keywords
- copolyamide
- powder
- melting point
- coating
- powder according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 235000006748 manganese carbonate Nutrition 0.000 description 1
- 229910000016 manganese(II) carbonate Inorganic materials 0.000 description 1
- XMWCXZJXESXBBY-UHFFFAOYSA-L manganese(ii) carbonate Chemical compound [Mn+2].[O-]C([O-])=O XMWCXZJXESXBBY-UHFFFAOYSA-L 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 description 1
- 229910052982 molybdenum disulfide Inorganic materials 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- 239000012860 organic pigment Substances 0.000 description 1
- 238000003921 particle size analysis Methods 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 125000002467 phosphate group Chemical group [H]OP(=O)(O[H])O[*] 0.000 description 1
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical class N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 1
- 239000006223 plastic coating Substances 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- NNHHDJVEYQHLHG-UHFFFAOYSA-N potassium silicate Chemical compound [K+].[K+].[O-][Si]([O-])=O NNHHDJVEYQHLHG-UHFFFAOYSA-N 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 229910052913 potassium silicate Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinyl group Chemical group C1(O)=CC(O)=CC=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 description 1
- 150000003873 salicylate salts Chemical class 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229940124530 sulfonamide Drugs 0.000 description 1
- 150000003456 sulfonamides Chemical class 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 235000012222 talc Nutrition 0.000 description 1
- 230000008542 thermal sensitivity Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 239000001003 triarylmethane dye Substances 0.000 description 1
- 239000010456 wollastonite Substances 0.000 description 1
- 229910052882 wollastonite Inorganic materials 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 239000011787 zinc oxide Chemical class 0.000 description 1
- LRXTYHSAJDENHV-UHFFFAOYSA-H zinc phosphate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LRXTYHSAJDENHV-UHFFFAOYSA-H 0.000 description 1
- 229910000165 zinc phosphate Inorganic materials 0.000 description 1
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- C09D177/00—Coating compositions based on polyamides obtained by reactions forming a carboxylic amide link in the main chain; Coating compositions based on derivatives of such polymers
- C09D177/06—Polyamides derived from polyamines and polycarboxylic acids
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- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
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- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/18—Processes for applying liquids or other fluent materials performed by dipping
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/36—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino acids, polyamines and polycarboxylic acids
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- C—CHEMISTRY; METALLURGY
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Abstract
Description
- 表面に上記の粉末を接触させて置く工程;
- 粉末を溶融させる工程。
- コポリアミドの融点より高い温度、好ましくはコポリアミドの融点より少なくとも30℃高い温度で表面を加熱する工程;
- 表面を、粉末を含む流動層に沈める工程。
- 粉末を電気的に帯電させる工程;
- 電気的に帯電した粉末を表面に噴霧する工程;
- 粉末で被覆された表面をコポリアミドの融点より高い温度、好ましくはコポリアミドの融点より少なくとも30℃高い温度で加熱する工程。
- 表面をコポリアミドの融点より高い温度、好ましくはコポリアミドの融点より少なくとも30℃高い温度に加熱する工程;
- 粉末を表面に噴霧する工程。
第一の態様によると、本発明は、0.8(g/100g)-1以上の固有粘度を有するコポリアミドベースの粉末であって、コポリアミドが160℃以下の融点を有する粉末に関する。この粉末は、表面にコーティングを形成することを目的とする。
固有粘度=ln(ts/t0)×1/C (C=m/p×100)
ここで、tsは溶液の流動時間であり、t0は溶媒の流動時間であり、mは粘度が決定されるサンプルの質量であり、pは溶媒の質量である。この測定は25℃に代えて測定温度が20℃である事実を別として、規格ISO307に対応する。
- アミノ酸又はアミノカルボン酸型のモノマー、好ましくはα,ω-アミノカルボン酸;
- 置換されてもよい、主環に3個から18個の炭素原子を含有するラクタム型のモノマー;
- 2個から36個の炭素原子、好ましくは4個から18個の炭素原子を含有する脂肪族のジアミンと4個から36個の炭素原子、好ましくは4個から18個の炭素原子を含有するカルボン二酸との反応由来の「ジアミン二酸」のモノマー;及び
- それらの混合物(アミノ酸型のモノマーとラクタム型のモノマーの混合物である場合、異なる炭素数を含有するモノマーである);から選択される。
α,ω-アミノ酸の例として、アミノカプロン酸、7-アミノヘプタン酸、11-アミノウンデカン酸、N-へプチル-11-アミノウンデカン酸及び12-アミノドデカン酸などの4個から18個の炭素原子を含有するものが挙げられる。
ラクタムの例として、置換されてもよい、主環に3個から18個の炭素原子を含有するものが挙げられる。例えば、β,β-ジメチルプロピオラクタム、α,α-ジメチルプロピオラクタム、アミロラクタム、ラクタム6としても知られるカプロラクタム、ラクタム8としても知られるカプリルラクタム、オエナントラクタム、及びラクタム12としても知られるラウリルラクタムが挙げられる。
ジカルボン酸の例として、4個から36個の炭素原子を含有する酸が挙げられる。例えば、アジピン酸、セバシン酸、アゼライン酸、スベリン酸、イソフタル酸、コハク酸、1,4-シクロヘキシルジカルボン酸、テレフタル酸、スルホイソフタル酸のナトリウム又はリチウム塩、二量体化脂肪酸(これらの二量体化脂肪酸は、少なくとも98%の二量体含有量を有し、好ましくは水素化されている)及びドデカン二酸 HOOC-(CH2)10-COOH及びテトラデカン二酸が挙げられる。
本発明による粉末は、溶融状態で、特に混合機中で、構成要素(すなわち、160℃以下の融点を有するコポリアミド並びにコポリアミドの融点より低い融点を有する第二のポリマー、顔料又は染料、クレーター防止剤又は展着剤、還元剤、酸化防止剤、補強充填剤、UV安定剤、流動化剤及び腐食防止剤などの他の任意の構成要素)の混合によって調製されてもよい。粉末がコポリアミドのみを含む場合、前記コポリアミドは溶融される。混合物(又はコポリアミド単独)はその後、凝固させられた後、製粉される。
別の態様によると、本発明は、表面をコーティングするための上記粉末の使用に関する。表面は、全面又は一部被覆されてもよい。本発明によると、コーティングは、0.8(g/100)-1以上の固有粘度を有する。固有粘度は、上記のとおり決定される。コーティングの固有粘度は、粉末の固有粘度とは異なってもよい。特に、コーティングの固有粘度は、1以上の高分子量化反応が、コーティングの塗布の間に、多少行われ得る又は再開され得るという事実により、粉末の固有粘度より高くてもよい。
- 上記の粉末を表面に接触させて置く工程;
- 粉末を溶融させる工程。
- 表面をコポリアミドの融点より高い温度に加熱する工程;
- 表面を粉末を含む流動層に沈める工程。
- 粉末を電気的に帯電させる工程;
- 表面上に、電気的に帯電した粉末を噴霧する工程;
- 粉末で被覆された表面を、コポリアミドの融点より高い温度に加熱する工程。
- 表面をコポリアミドの融点より高い温度に加熱する工程;
- 粉末を表面上に噴霧する工程。
- 特に配管、付属品、ポンプ又はバルブの形態の流体の移送
- 特にスプラインシャフト、スライドドアレール又はバネの形態の動力車
- 特に皿洗いバスケット又はバネの形態の針金細工:の物品を対象とする。
出発材料(すなわちコポリアミド)を14Lのオートクレーブに、水、酸化防止剤(Irganox 1098)及びリン酸と共に導入した。媒体を、連続して4回、真空下及び窒素導入することによって不活性の状態にした。媒体をその後、280℃の温度で3時間、自己生成の圧力下で撹拌、加熱した。大気圧への減圧を、その後、2時間の傾斜で適用し、温度がだんだんと230℃に下がった。媒体を、その後、窒素を勢いよく流しながら撹拌し、所望の撹拌トルクに達するまで粘度を増大させた。媒体が、その後、棒状のダイを通じて水浴に移され、その後造粒機に入った。
コーティングを、上記様々な組成物(粉末)を流動層に沈めることによって金属上に堆積させた。
Claims (21)
- 表面にコーティングを形成するためのコポリアミドベースの粉末であって、0.8(g/100g)-1以上の固有粘度を有し、前記コポリアミドが、160℃以下の融点を有する、粉末。
- 前記コポリアミドが、コポリアミド6/11、コポリアミド6/12、コポリアミド6.6/11、コポリアミド6.6/12、コポリアミド6.10/11、コポリアミド6/12/11、コポリアミドPip.12/12(Pipはピペラジンを表す)、コポリアミド6/6.6/12、コポリアミド6/Pip.12/12又はそれらの組み合わせからなる群から選択される、請求項1に記載の粉末。
- 前記コポリアミドが、粉末の総質量に対して、80質量%以上、好ましくは90質量%以上、より好ましくは95質量%以上の量で存在する、請求項1又は2に記載の粉末。
- 前記コポリアミドの融点より低い融点を有する第二ポリマーも含む、請求項1~3のいずれか一項に記載の粉末。
- 前記第二ポリマーが、第二コポリアミド及び/又はエポキシ樹脂である、請求項4に記載の粉末。
- 前記第二ポリマーが、130℃以下の融点を有する、請求項4又は5に記載の粉末。
- 前記第二ポリマーが、粉末の総質量に対して、10質量%以下、好ましくは5質量%以下の量で存在する、請求項4~6のいずれか一項に記載の粉末。
- 顔料又は染料、クレーター防止剤又は展着剤、還元剤、酸化防止剤、補強充填剤、UV安定剤、流動化剤、及び腐食防止剤からなる群から選択される1種以上の添加剤も含む、請求項1~7のいずれか一項に記載の粉末。
- 前記添加剤の質量が、粉末の総質量に対して、0~30%、好ましくは0~10%、より好ましくは0~5%である、請求項8に記載の粉末。
- 前記コポリアミドが、150℃以下、好ましくは145℃以下の融点を有する、請求項1~9のいずれか一項に記載の粉末。
- (g/100g)-1単位で0.9以上、好ましくは1以上の固有粘度を有する、請求項1~10のいずれか一項に記載の粉末。
- 10~400μm、好ましくは50~200μmの体積中央径Dv50を有するコポリアミドベースの粒子を含む、請求項1~11のいずれか一項に記載の粉末。
- 請求項1~12のいずれか一項に記載の粉末を溶融させることによって得られてもよいフィルム。
- 表面をコーティングするための、請求項1~12のいずれか一項に記載の粉末の使用であって、前記コーティングが、0.8(g/100g)-1以上の固有粘度を有する、使用。
- 前記表面が、任意選択で処理された金属表面である、請求項14に記載の使用。
- 前記コーティングが、100~550μm、好ましくは200~500μmの厚さを有するフィルムである、請求項14又は15に記載の使用。
- 表面、好ましくは金属表面をコーティングする方法であって、以下の工程:
- 前記表面を、請求項1~12のいずれか一項に記載の粉末に接触して置く工程;
- 前記粉末を溶融させる工程;を含む、方法。 - 前記表面を粉末に接触して置く工程が、以下の工程:
- 前記表面を、コポリアミドの融点より高い温度、好ましくはコポリアミドの融点より少なくとも30℃高い温度に加熱する工程;
- 前記表面を、粉末を含む流動層に沈める工程;を含む、請求項17に記載の方法。 - 前記表面を粉末に接触して置く工程が、以下の工程:
- 粉末を電気的に帯電させる工程;
- 前記表面上に、電気的に帯電した粉末を噴霧する工程;
- 粉末で被覆された前記表面を、コポリアミドの融点より高い温度、好ましくはコポリアミドの融点より少なくとも30℃高い温度に加熱する工程;を含む、請求項17に記載の方法。 - 前記表面を粉末に接触して置く工程が、以下の工程:
- 前記表面をコポリアミドの融点より高い温度、好ましくはコポリアミドの融点より少なくとも30℃高い温度に加熱する工程;
- 前記表面上に粉末を噴霧する工程;を含む、請求項17に記載の方法。 - 請求項1~12のいずれか一項に記載の粉末を溶融させることによって得られてもよいコーティングで被覆された表面を含む物品。
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Application Number | Priority Date | Filing Date | Title |
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FR1859818 | 2018-10-24 | ||
FR1859818A FR3087775B1 (fr) | 2018-10-24 | 2018-10-24 | Poudres de copolyamide a basse temperature de fusion |
PCT/FR2019/052522 WO2020084252A1 (fr) | 2018-10-24 | 2019-10-23 | Poudres de copolyamide a basse temperature de fusion |
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JP2022505755A true JP2022505755A (ja) | 2022-01-14 |
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JP2021522413A Pending JP2022505755A (ja) | 2018-10-24 | 2019-10-23 | 低融点コポリアミド粉末 |
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US (1) | US20210395567A1 (ja) |
EP (1) | EP3870665A1 (ja) |
JP (1) | JP2022505755A (ja) |
KR (1) | KR20210080423A (ja) |
CN (1) | CN113166584A (ja) |
FR (1) | FR3087775B1 (ja) |
TW (1) | TW202033609A (ja) |
WO (1) | WO2020084252A1 (ja) |
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FR3115043B1 (fr) * | 2020-10-09 | 2024-01-05 | Arkema France | Composition pulverulente pigmentee facilement recyclable pour le revetement de substrats |
FR3118052B1 (fr) | 2020-12-23 | 2023-11-24 | Arkema France | Poudre pour revêtement électriquement isolant |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS55500236A (ja) * | 1978-04-19 | 1980-04-24 |
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US4065743A (en) | 1975-03-21 | 1977-12-27 | Trw, Inc. | Resistor material, resistor made therefrom and method of making the same |
US4172161A (en) | 1977-07-13 | 1979-10-23 | Chemische Werke Huls Ag | Pulverulent copolyamides for the coating of glass bottles |
DE2920416C2 (de) * | 1979-05-19 | 1986-08-07 | Hüls AG, 4370 Marl | Verwendung eines pulverförmigen Gemisches von Copolyamiden zum Heißsiegeln von Textilien nach dem Pulverpunktverfahren |
DE69604200T2 (de) | 1995-12-11 | 2000-04-13 | Du Pont Canada | Verfahren zum beschichten von nichtgrundiertem metall mit polyamidpulverzusammensetzungen |
DE10032075A1 (de) | 2000-07-01 | 2002-01-10 | Degussa | Elektrostatische Beschichtung von Formteilen mit thermoplastischen und vernetzbaren Copolyamidschmelzklebern |
DE102004010162A1 (de) * | 2004-02-27 | 2005-09-15 | Degussa Ag | Polymerpulver mit Copolymer, Verwendung in einem formgebenden Verfahren mit nicht fokussiertem Energieeintrag und Formkörper, hergestellt aus diesem Polymerpulver |
FR2955864B1 (fr) * | 2010-02-01 | 2012-03-23 | Arkema France | Poudre a base de polyamide et procede de revetement d'objet par fusion de ladite poudre |
JP5592215B2 (ja) | 2010-09-22 | 2014-09-17 | ダイセル・エボニック株式会社 | 粉末状封止剤及び封止方法 |
WO2013118864A1 (ja) * | 2012-02-09 | 2013-08-15 | ダイセル・エボニック株式会社 | 粉末状封止剤及び封止方法 |
-
2018
- 2018-10-24 FR FR1859818A patent/FR3087775B1/fr active Active
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2019
- 2019-10-23 KR KR1020217014264A patent/KR20210080423A/ko unknown
- 2019-10-23 TW TW108138286A patent/TW202033609A/zh unknown
- 2019-10-23 WO PCT/FR2019/052522 patent/WO2020084252A1/fr unknown
- 2019-10-23 JP JP2021522413A patent/JP2022505755A/ja active Pending
- 2019-10-23 CN CN201980077913.4A patent/CN113166584A/zh active Pending
- 2019-10-23 US US17/288,010 patent/US20210395567A1/en active Pending
- 2019-10-23 EP EP19813378.7A patent/EP3870665A1/fr active Pending
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JPS55500236A (ja) * | 1978-04-19 | 1980-04-24 |
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CN113166584A (zh) | 2021-07-23 |
KR20210080423A (ko) | 2021-06-30 |
US20210395567A1 (en) | 2021-12-23 |
FR3087775B1 (fr) | 2022-12-02 |
FR3087775A1 (fr) | 2020-05-01 |
WO2020084252A1 (fr) | 2020-04-30 |
TW202033609A (zh) | 2020-09-16 |
EP3870665A1 (fr) | 2021-09-01 |
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