JP4975032B2 - 耐引掻性自動車コーティングの製造方法 - Google Patents
耐引掻性自動車コーティングの製造方法 Download PDFInfo
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- JP4975032B2 JP4975032B2 JP2008528060A JP2008528060A JP4975032B2 JP 4975032 B2 JP4975032 B2 JP 4975032B2 JP 2008528060 A JP2008528060 A JP 2008528060A JP 2008528060 A JP2008528060 A JP 2008528060A JP 4975032 B2 JP4975032 B2 JP 4975032B2
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Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
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Description
I.色彩付与および/または特殊効付与ベースコートおよび透明なクリアコートのトップコート層、または着色単層トップコートのトップコート層を、先に適用されたコーティング上に適用する工程、
II.任意選択的(optionally)に、透明なシーリングコートのシーリング層を、工程Iにおいて適用されたトップコート層上に適用する工程、および
III.工程Iにおいて適用されたトップコート層および任意選択的(optionally)に工程IIにおいて適用されたシーリング層を硬化させる工程
を含む、耐引掻性自動車コーティングの製造方法に関し、
方法において、透明なクリアコートまたは着色単層トップコートおよび/または透明なシーリングコートが、元素−酸素網をベースとした改質ナノ粒子を含有し、元素が、アルミニウム、ケイ素、スズ、ホウ素、ゲルマニウム、ガリウム、鉛、およびランタニドおよびアクチニドなどの遷移金属からなる群から選択され、改質ナノ粒子が、(未改質)ナノ粒子を一般式I Me(OR1)4および/または一般式II Me(OCOR1)4の化合物で処理することによって製造され、上式中、R1がアルキル、アリールおよび/またはアラルキル残基を意味し、Meがジルコニウムおよび/またはチタンを意味する。MeおよびR1は各々、式IおよびIIにおいて独立に選択されうる。
R1はアルキル残基であってもよく、アルキル残基は、1〜20個、好ましくは1〜12個、特に好ましくは1〜6個のC原子を有する任意選択的に置換されていてもよい直鎖または分岐状アルキル残基を含む。アルキル残基は、いずれかの望ましい有機基、例えば、酸基、ヒドロキシル基およびアミノ基で置換されてもよい。
A)少なくとも1種の薄膜形成バインダー、
B)任意選択的に、バインダーのための少なくとも1種の架橋剤、
C)、薄膜形成バインダーA)の量に対して0.5〜40重量%、好ましくは1〜20重量%の上述の元素−酸素網をベースとしたナノ粒子、および
D)任意選択的に、有機溶媒、水、顔料、充填剤および通常のコーティング添加剤
を含む。
pyroqenicシリカナノ粒子を改質するためのTi(OPr)4の最適な量の定量
Wacker製のHDK(登録商標)T30が焼成シリカナノ粒子として使用された。HDK(登録商標)T30は、火炎堆積法(flame hydrolysis)によって製造された合成、親水性非晶質シリカである。
Pr=プロピル
35,7g(98%、35,7g 0,123モル)のTi(OPr)4を、100rpmにおいてDispermatで攪拌しながら371,0gの通常のヒドロキシ官能性ポリエステルバインダー(P)に添加した。99,1gのHDK(登録商標)T30を、300gの酢酸ブチルと一緒に溶液に添加した。混合物を100〜1000rpmにおいて10分間、攪拌した。
未改質焼成シリカペーストの調製
470,6gの上記のヒドロキシ官能性ポリエステルバインダーを71,3gの酢酸ブチルおよび58,14gのHDK(登録商標)T30と混合した。混合および粉砕手順は、実施例1の改質焼成シリカペーストの場合と同じ条件下で行われた。
改質シリカペーストを含有するクリアコートおよび未改質シリカペーストを含有する比較用クリアコートの調製
実施例1のチタネート改質シリカペーストを通常の2K溶媒ベースのポリエステルクリアコート中に、クリアコート中の固体バインダーに基づいて10%の改質シリカ粒子の含有量が達成されるような量において組み入れた。ベースクリアコートを以下の成分を混合することによって調製した。
次に、混合によって得られたクリアコートおよび比較用クリアコート組成物を、通常の黒色水系ベースコート(DuPontのBase coat Brilliant Black)の水性ベースコート層を提供された試験パネルに乾燥層厚さ35μmで静電吹付けすることによって適用した。室温において15分の蒸発分離後、クリアコートコーティング層を140℃(物体温度)において25分間、焼成した。
表1は、コーティングについて行われた技術試験の結果を示す。
DIN 67530(光沢)およびDIN EN ISO 13803(曇り)に従ってMicro−Haze plus(Byk−Gardner)によって測定された曇りおよび光沢値
DIN EN ISO 14577−1に従ってFischerscope H 100(Fischer GmbH und CO.KG)によって測定されたフィッシャー硬度
Amtec:DIN 55668による。引掻きを実験室規模Amtec Kistler洗車を用いて実施した。以下を参照。Th. KlimmaschおよびTh. Engbert、Development of a uniform laboratory test method for assessing the car wash resistance of automotive top coats、DFO Proceedings 32、59〜66ページ、Technologie−Tage、Proceedings of the Seminar on 29.and30.4.97 in Cologne、出版元Deutsche Forschungsgesellschaft fuer Oberflaechenbehandlung e.V.(Adersstraβe 94,40215 Duesseldorf)。
Claims (11)
- 耐引掻性自動車コーティングの製造方法であって、以下の工程:
I.色彩付与および/または特殊効付与ベースコートおよび透明なクリアコートのトップコート層、または着色単層トップコートのトップコート層を、先に適用されたコーティング上に適用する工程、
II.任意選択的に、透明なシーリングコートのシーリング層を、工程Iにおいて適用された前記トップコート層上に適用する工程、および
III.工程Iにおいて適用された前記トップコート層および任意選択的に工程IIにおいて適用された前記シーリング層を硬化させる工程、を含み、
前記透明なクリアコートまたは前記着色単層トップコートおよび/または前記透明なシーリングコートが、元素−酸素網をベースとした改質ナノ粒子を含有し、前記元素が、アルミニウム、ケイ素、スズ、ホウ素、ゲルマニウム、ガリウム、鉛、およびランタニドおよびアクチニドなどの遷移金属からなる群から選択され、前記改質ナノ粒子が、(未改質)ナノ粒子を一般式I Me(OR1)4および/または一般式II Me(OCOR1)4の化合物で処理することによって製造され、上式中、R1がアルキル、アリールおよび/またはアラルキル残基であり、Meがジルコニウムまたはチタンであり(但し、Meは一般式I及び一般式IIにおいて同じである)、
(未改質)ナノ粒子の処理が、未改質ナノ粒子と一般式Iおよび/または一般式IIの化合物とを有機溶媒中で撹拌し、粉砕することを含む、
方法。 - 前記元素−酸素網の前記元素が、チタン、アルミニウム、ケイ素、ジルコニウム、亜鉛、スズ、イットリウム、セリウムおよびバナジウムからなる群から選択される、請求項1に記載の方法。
- 前記改質ナノ粒子を含有するコーティング組成物が、以下の成分:
A)少なくとも1種の薄膜形成バインダー、
B)任意選択的に、前記バインダーのための少なくとも1種の架橋剤、
C)薄膜形成バインダーA)の量に対して0.5〜40重量%の前記改質ナノ粒子、および
D)任意選択的に、有機溶媒、水、顔料、充填剤および/または通常のコーティング添加剤
を含む、請求項1に記載の方法。 - 薄膜形成バインダーA)の量に対して前記改質ナノ粒子C)1〜20重量%が前記コーティング組成物中に含有される、請求項3に記載の方法。
- R1が、1〜20個のC原子を有する任意選択的に置換されていてもよい直鎖または分岐状アルキル残基、フェニル、ナフチル、ベンジルおよびアルキル残基に1〜10個のC原子を有するフェニルアルキル残基からなる群から選択された残基を意味する、請求項1〜4のいずれか一項に記載の方法。
- R1が、1〜6個のC原子を有するアルキル残基を意味する、請求項5に記載の方法。
- 前記改質ナノ粒子が、(未改質)ナノ粒子を、前記ナノ粒子の量に対して一般式Iおよび/またはIIの化合物1〜60重量%で処理することによって製造される、請求項1〜6のいずれか一項に記載の方法。
- 一般式Iおよび/またはIIの化合物による前記ナノ粒子の処理が、一般式Si(OR2)nR3 4-nのシラン化合物による処理と組み合わせて行われ、上式中、n=1、2、3または4であり、R2がR1の意味を有し、R3が、炭素原子を介してケイ素に直接に結合しているいずれかの望ましい有機基を表す、請求項1〜7のいずれか一項に記載の方法。
- 前記改質ナノ粒子が官能性モノマー、オリゴマーおよび/またはポリマー化合物に組み込まれる、請求項1〜8のいずれか一項に記載の方法。
- 前記改質ナノ粒子がヒドロキシ官能性および/またはカルボキシ官能性バインダーおよび/または他のヒドロキシまたはカルボキシ官能性化合物に組み込まれる、請求項9に記載の方法。
- 前記ヒドロキシ官能性および/またはカルボキシ官能性バインダーが、前記薄膜形成バインダーA)と同一かまたは類似している、請求項10に記載の方法。
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DE19920801A1 (de) * | 1999-05-06 | 2000-11-16 | Basf Coatings Ag | Hochkratzfeste mehrschichtige Lackierung, Verfahren zu ihrer Herstellung und ihre Verwendung |
JP2000336313A (ja) * | 1999-06-01 | 2000-12-05 | Toppan Printing Co Ltd | 高屈折率コーティング組成物 |
DE19933098A1 (de) | 1999-07-15 | 2001-01-18 | Herberts Gmbh & Co Kg | Mit Nanopartikeln modifizierte Bindemittel für Überzugsmittel und deren Verwendung |
EP1195416A3 (de) | 2000-10-05 | 2005-12-28 | Degussa AG | Polymerisierbare siliciumorganische Nanokapseln |
US6790904B2 (en) * | 2002-06-03 | 2004-09-14 | Ppg Industries Ohio, Inc. | Liquid coating of film-forming resin and particles chemically modified to lower surface tension |
DE10239424A1 (de) | 2002-08-28 | 2004-03-11 | Degussa Ag | Kieselsäuren |
DE10241510A1 (de) | 2002-09-07 | 2004-03-18 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Nanokomposite, Verfahren zu ihrer Herstellung und ihre Verwendung |
JP4164693B2 (ja) * | 2005-04-01 | 2008-10-15 | 信越化学工業株式会社 | コーティング剤組成物及び被覆物品 |
-
2006
- 2006-08-22 EP EP06802057A patent/EP1924655B1/en not_active Not-in-force
- 2006-08-22 JP JP2008528060A patent/JP4975032B2/ja not_active Expired - Fee Related
- 2006-08-22 AT AT06802057T patent/ATE510890T1/de not_active IP Right Cessation
- 2006-08-22 WO PCT/US2006/032732 patent/WO2007024839A2/en active Application Filing
- 2006-08-22 CA CA2616231A patent/CA2616231C/en not_active Expired - Fee Related
- 2006-08-24 US US11/509,140 patent/US7700160B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
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JP2009505823A (ja) | 2009-02-12 |
CA2616231C (en) | 2013-02-05 |
WO2007024839A3 (en) | 2007-09-07 |
CA2616231A1 (en) | 2007-03-01 |
EP1924655B1 (en) | 2011-05-25 |
US7700160B2 (en) | 2010-04-20 |
WO2007024839A2 (en) | 2007-03-01 |
ATE510890T1 (de) | 2011-06-15 |
US20070196583A1 (en) | 2007-08-23 |
EP1924655A2 (en) | 2008-05-28 |
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