JP2007525325A - 基材をフルオロポリマー分散液で被覆する方法 - Google Patents
基材をフルオロポリマー分散液で被覆する方法 Download PDFInfo
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- JP2007525325A JP2007525325A JP2007501777A JP2007501777A JP2007525325A JP 2007525325 A JP2007525325 A JP 2007525325A JP 2007501777 A JP2007501777 A JP 2007501777A JP 2007501777 A JP2007501777 A JP 2007501777A JP 2007525325 A JP2007525325 A JP 2007525325A
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- fluoropolymer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
- B05D5/08—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain an anti-friction or anti-adhesive surface
- B05D5/083—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain an anti-friction or anti-adhesive surface involving the use of fluoropolymers
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/28—Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material
- C03C17/32—Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material with synthetic or natural resins
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/24—Coatings containing organic materials
- C03C25/26—Macromolecular compounds or prepolymers
- C03C25/28—Macromolecular compounds or prepolymers obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C03C25/30—Polyolefins
- C03C25/305—Polyfluoroolefins
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/24—Coatings containing organic materials
- C03C25/26—Macromolecular compounds or prepolymers
- C03C25/32—Macromolecular compounds or prepolymers obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2203/00—Other substrates
- B05D2203/30—Other inorganic substrates, e.g. ceramics, silicon
- B05D2203/35—Glass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
- B05D7/16—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies using synthetic lacquers or varnishes
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- Chemical & Material Sciences (AREA)
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- Organic Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
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- Laminated Bodies (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
Description
(i)(a)30〜70重量%の量の溶融加工できるフルオロポリマー粒子;
(b)水性分散液のフルオロポリマー固形分に対して250ppm以下の量のフッ素化界面活性剤;
(c)水性分散液の全固形分に対して2〜15重量%の量の、エトキシ化脂肪族アルコールを含む非イオン性界面活性剤を含み、
かつ芳香族基を含む非イオン性界面活性剤を含まない、または実質的に含まない水性分散液を提供するステップ;
(ii)コーティング組成物が得られるように、場合によっては前記分散液を希釈し、および/またはそれに別の成分を添加するステップ;
(iii)前記コーティング組成物を、前記フルオロポリマーの前記層によって規定される前記基材の前記表面の少なくとも一部分に塗布するステップを含む方法を提供する。
R1−O−[CH2CH2O]n−R2 (I)
(式中、R1は、少なくとも6個の炭素原子を有する直鎖状または分枝状の脂肪族炭化水素基を表し、R2は、水素またはC1〜C3アルキル基を表し、nは、2〜40、好ましくは3〜25、より好ましくは5〜12の値である)
に対応する。
CF2=CF−O−Rf (II)
(式中、Rfは、1つまたは複数の酸素原子を含んでもよい過フッ素化脂肪族基を表す)
に対応するものが挙げられる。好ましくは、パーフルオロビニルエーテルは、次の一般式:
CF2=CFO(R1 fO)n(R2 fO)mR3 f (II)
(式中、R1 fおよびR2 fは、2〜6個の炭素原子の異なる直鎖状または分枝状のパーフルオロアルキレン基であり、mおよびnは独立に、0〜10であり、R3 fは、1〜6個の炭素原子のパーフルオロアルキル基である)
に対応する。上記の式によるパーフルオロビニルエーテルの例としては、パーフルオロ−n−プロピルビニルエーテル(PPVE−1)、パーフルオロ−2−プロポキシプロピルビニルエーテル(PPVE−2)、パーフルオロ−3−メトキシ−n−プロピルビニルエーテル、パーフルオロ−2−メトキシ−エチルビニルエーテル、パーフルオロメチルビニルエーテル(PMVE)、およびCF3−(CF2)2−O−CF(CF3)−CF2−O−CF(CF3)−CF2−O−CF=CF2が挙げられる。
CF2=CF−R4 f (III) または
CH2=CH−R4 f (IV)
(式中、R4 fは、1〜10個、好ましくは1〜5個の炭素原子のパーフルオロアルキル基を表す)
に対応するものが含まれる。典型的な例は、ヘキサフルオロプロピレンである。
Q−R5 f−Z−Ma (V)
(式中、Qは、水素、Cl、またはFを表し、それによってQは末端の位置に存在しても、しなくてもよく;R5 fは、4〜15個の炭素原子を有する直鎖状または分枝状の過フッ素化アルキレンを表し;Zは、COO-またはSO3 -を表し、Maは、アルカリ金属イオンまたはアンモニウムイオンを含めて、カチオンを表す)
に対応するものが含まれる。
PTFE:ポリテトラフルオロエチレン
APFOA:パーフルオロオクタン酸アンモニウム塩
ジェナポル(Genapol)(商標)X−080:クラリアント(Clariant GmbH)から市販されている非イオン性エトキシ化アルコール
TFX 5060:3Mから市販されているPTFE分散液、ダイニオン(Dyneon)
TFX 5065:3Mから市販されているPTFE分散液、ダイニオン(Dyneon)
−メルトフローインデックス(MFI)は、ASTM D1238に従って372℃/5kgで測定した。MFIは、g/10分で表す。
−融点は、ASTM D4591に従って測定した。
−表面張力は、DIN 53914(プレート法)に従って25℃で測定した。
ガラス布地(タイプUS2116、105g/m2、ピーディー・インターグラス・テクノロジーズ(PD−Interglas Technologies AG)から入手可能)を、TFX 5060で2回パスを用いて浸漬被覆し、続いてTFX 5065で2回パスを用いて浸漬被覆して、206g/m2の最終塗布量を得た。各パスの間に、温度を70℃から開始し、400℃まで上昇させるオーブン中で、布地を乾燥し、焼結した。
粒度約200nmおよび固形分30重量%のTFE/PPVE−1のフルオロポリマー分散液(96/4重量%;MFI=16、融点=310℃)を乳化重合により得た。分散液に、分散液中の固形分の量に対して5重量%のジェナポル(Genapol)(商標)X−080を添加した。分散液は、分散液の全重量に対して約0.1重量%のAPFOAを含有した(=ポリマー固形分に対して4350ppm)。分散液中のAPFOAの量を分散液の全重量に対して7ppmにまで低減させるように、乳濁液ポリマーを陰イオン交換樹脂と接触させた(=ポリマー固形分に対して30ppm)。分散液を熱濃縮した。このようにして得られた分散液を使用して、PTFEプレコートガラス布地をディップコーティングによって被覆した。分散液は、PTFEプレコートガラス布地上で良好な濡れ性を有した。塗布量13g/cm2の平滑なコーティングが得られた。分散液の表面張力の測定値は、28.7mN/mであった。
ジェナポル(Genapol)(商標)X−080の代わりに、エトキシ化p−イソオクチルフェノールである5%トリトン(Triton)(商標)X−100を使用した点以外は、本質的に実施例1のように、比較例C−1を実施した。PTFEプレコートガラス布地の濡れが極めて不十分であることが観察された。得られた分散液の表面張力は、34mN/mであった。
フッ素化界面活性剤APFOAを分散液から除去しなかった点以外は、比較例1を繰り返した。良好なコーティングが得られ、分散液の表面張力は、29.6mN/mであった。
Claims (7)
- フルオロポリマー層によって規定される表面を有する基材を被覆する方法であって、
(i)(a)30〜70重量%の量の溶融加工できるフルオロポリマー粒子、
(b)水性分散液のフルオロポリマー固形分に対して250ppm以下の量のフッ素化界面活性剤、
(c)水性分散液の全固形分に対して2〜15重量%の量の、エトキシ化脂肪族アルコールを含む非イオン性界面活性剤を含み、
かつ芳香族基を含む非イオン性界面活性剤を含まない、または実質的に含まない水性分散液を提供するステップと、
(ii)コーティング組成物が得られるように、場合によっては前記分散液を希釈し、および/またはそれに別の成分を添加するステップと、
(iii)前記コーティング組成物を、前記フルオロポリマーの前記層によって規定される前記基材の前記表面の少なくとも一部分に塗布するステップと、
を含む方法。 - 前記基材が金属基材または布地を含む請求項1に記載の方法。
- 前記溶融加工できるフルオロポリマーがフルオロサーモプラストである請求項1または2に記載の方法。
- 前記フルオロサーモプラストが100〜330の融点を有する請求項3に記載の方法。
- 前記フルオロポリマーが、テトラフルオロエチレン、ヘキサフルオロプロピレンおよびフッ化ビニリデンのコポリマー、テトラフルオロエチレンとフッ素化ビニルエーテルのコポリマー、テトラフルオロエチレン、エチレンおよびヘキサフルオロプロピレンのコポリマー、ならびにテトラフルオロエチレン、ヘキサフルオロエチレンおよび過フッ素化ビニルエーテルのコポリマーからなる群から選択される請求項1〜4のいずれか一項に記載の方法。
- 前記エトキシ化脂肪族アルコールが次式:
R1−O−[CH2CH2O]n−R2
(式中、R1は、少なくとも6個の炭素原子を有する直鎖状または分枝状の脂肪族炭化水素基を表し、R2は、水素またはC1〜C3アルキル基を表し、nは、2〜40の値を有する)
に対応する請求項1〜5のいずれか一項に記載の方法。 - nが、5〜12の値を有し、かつR1が8〜18個の炭素原子を有する請求項6に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04075603A EP1570917B1 (en) | 2004-03-01 | 2004-03-01 | Method of coating a substrate with a fluoropolymer dispersion |
EP04075603.3 | 2004-03-01 | ||
PCT/US2005/001845 WO2005092520A1 (en) | 2004-03-01 | 2005-01-21 | Method of coating a substrate with a fluoropolymer dispersion |
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JP2007525325A true JP2007525325A (ja) | 2007-09-06 |
JP2007525325A5 JP2007525325A5 (ja) | 2009-02-12 |
JP4763680B2 JP4763680B2 (ja) | 2011-08-31 |
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JP2007501777A Expired - Fee Related JP4763680B2 (ja) | 2004-03-01 | 2005-01-21 | 基材をフルオロポリマー分散液で被覆する方法 |
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US (1) | US20050192397A1 (ja) |
EP (1) | EP1570917B1 (ja) |
JP (1) | JP4763680B2 (ja) |
CN (1) | CN1925928B (ja) |
AT (1) | ATE433350T1 (ja) |
CA (1) | CA2557728A1 (ja) |
DE (1) | DE602004021467D1 (ja) |
PL (1) | PL1570917T3 (ja) |
RU (1) | RU2363549C2 (ja) |
WO (1) | WO2005092520A1 (ja) |
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-
2004
- 2004-03-01 PL PL04075603T patent/PL1570917T3/pl unknown
- 2004-03-01 DE DE602004021467T patent/DE602004021467D1/de not_active Expired - Lifetime
- 2004-03-01 AT AT04075603T patent/ATE433350T1/de not_active IP Right Cessation
- 2004-03-01 EP EP04075603A patent/EP1570917B1/en not_active Expired - Lifetime
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2005
- 2005-01-21 RU RU2006130321/12A patent/RU2363549C2/ru not_active IP Right Cessation
- 2005-01-21 CA CA002557728A patent/CA2557728A1/en not_active Abandoned
- 2005-01-21 JP JP2007501777A patent/JP4763680B2/ja not_active Expired - Fee Related
- 2005-01-21 WO PCT/US2005/001845 patent/WO2005092520A1/en active Application Filing
- 2005-01-21 CN CN2005800065039A patent/CN1925928B/zh active Active
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Also Published As
Publication number | Publication date |
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CN1925928B (zh) | 2012-01-04 |
EP1570917B1 (en) | 2009-06-10 |
US20050192397A1 (en) | 2005-09-01 |
PL1570917T3 (pl) | 2009-10-30 |
EP1570917A1 (en) | 2005-09-07 |
RU2006130321A (ru) | 2008-04-10 |
CA2557728A1 (en) | 2005-10-06 |
ATE433350T1 (de) | 2009-06-15 |
DE602004021467D1 (de) | 2009-07-23 |
WO2005092520A1 (en) | 2005-10-06 |
JP4763680B2 (ja) | 2011-08-31 |
RU2363549C2 (ru) | 2009-08-10 |
CN1925928A (zh) | 2007-03-07 |
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