JP5975216B2 - 耐汚染性に優れた塗料組成物及びこれを塗装して得られる塗膜 - Google Patents
耐汚染性に優れた塗料組成物及びこれを塗装して得られる塗膜 Download PDFInfo
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- JP5975216B2 JP5975216B2 JP2012262295A JP2012262295A JP5975216B2 JP 5975216 B2 JP5975216 B2 JP 5975216B2 JP 2012262295 A JP2012262295 A JP 2012262295A JP 2012262295 A JP2012262295 A JP 2012262295A JP 5975216 B2 JP5975216 B2 JP 5975216B2
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- 230000007797 corrosion Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- IFDVQVHZEKPUSC-UHFFFAOYSA-N cyclohex-3-ene-1,2-dicarboxylic acid Chemical compound OC(=O)C1CCC=CC1C(O)=O IFDVQVHZEKPUSC-UHFFFAOYSA-N 0.000 description 1
- BZDAUORPMAWHLY-UHFFFAOYSA-N cyclohex-4-ene-1,3-dicarboxylic acid Chemical compound OC(=O)C1CC=CC(C(O)=O)C1 BZDAUORPMAWHLY-UHFFFAOYSA-N 0.000 description 1
- QSAWQNUELGIYBC-UHFFFAOYSA-N cyclohexane-1,2-dicarboxylic acid Chemical compound OC(=O)C1CCCCC1C(O)=O QSAWQNUELGIYBC-UHFFFAOYSA-N 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 239000012975 dibutyltin dilaurate Substances 0.000 description 1
- KORSJDCBLAPZEQ-UHFFFAOYSA-N dicyclohexylmethane-4,4'-diisocyanate Chemical compound C1CC(N=C=O)CCC1CC1CCC(N=C=O)CC1 KORSJDCBLAPZEQ-UHFFFAOYSA-N 0.000 description 1
- 125000004177 diethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 125000005594 diketone group Chemical group 0.000 description 1
- 239000000539 dimer Substances 0.000 description 1
- JJQZDUKDJDQPMQ-UHFFFAOYSA-N dimethoxy(dimethyl)silane Chemical compound CO[Si](C)(C)OC JJQZDUKDJDQPMQ-UHFFFAOYSA-N 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- SZXQTJUDPRGNJN-UHFFFAOYSA-N dipropylene glycol Chemical compound OCCCOCCCO SZXQTJUDPRGNJN-UHFFFAOYSA-N 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000003759 ester based solvent Substances 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- NKSJNEHGWDZZQF-UHFFFAOYSA-N ethenyl(trimethoxy)silane Chemical compound CO[Si](OC)(OC)C=C NKSJNEHGWDZZQF-UHFFFAOYSA-N 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 239000003925 fat Substances 0.000 description 1
- 235000019197 fats Nutrition 0.000 description 1
- 239000001530 fumaric acid Substances 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 238000013007 heat curing Methods 0.000 description 1
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 1
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 229940051250 hexylene glycol Drugs 0.000 description 1
- 230000005660 hydrophilic surface Effects 0.000 description 1
- 150000002460 imidazoles Chemical class 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- GJRQTCIYDGXPES-UHFFFAOYSA-N iso-butyl acetate Natural products CC(C)COC(C)=O GJRQTCIYDGXPES-UHFFFAOYSA-N 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- FGKJLKRYENPLQH-UHFFFAOYSA-M isocaproate Chemical compound CC(C)CCC([O-])=O FGKJLKRYENPLQH-UHFFFAOYSA-M 0.000 description 1
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 1
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 1
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- OQAGVSWESNCJJT-UHFFFAOYSA-N isovaleric acid methyl ester Natural products COC(=O)CC(C)C OQAGVSWESNCJJT-UHFFFAOYSA-N 0.000 description 1
- 239000005453 ketone based solvent Substances 0.000 description 1
- 150000003951 lactams Chemical class 0.000 description 1
- 239000004611 light stabiliser Substances 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 1
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 1
- 229940100573 methylpropanediol Drugs 0.000 description 1
- BFXIKLCIZHOAAZ-UHFFFAOYSA-N methyltrimethoxysilane Chemical compound CO[Si](C)(OC)OC BFXIKLCIZHOAAZ-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- ZKWFSTHEYLJLEL-UHFFFAOYSA-N morpholine-4-carboxamide Chemical compound NC(=O)N1CCOCC1 ZKWFSTHEYLJLEL-UHFFFAOYSA-N 0.000 description 1
- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- 235000021313 oleic acid Nutrition 0.000 description 1
- 150000002923 oximes Chemical class 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- UWJJYHHHVWZFEP-UHFFFAOYSA-N pentane-1,1-diol Chemical compound CCCCC(O)O UWJJYHHHVWZFEP-UHFFFAOYSA-N 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 238000012643 polycondensation polymerization Methods 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- RLUCXJBHKHIDSP-UHFFFAOYSA-N propane-1,2-diol;propanoic acid Chemical compound CCC(O)=O.CC(O)CO RLUCXJBHKHIDSP-UHFFFAOYSA-N 0.000 description 1
- LLHKCFNBLRBOGN-UHFFFAOYSA-N propylene glycol methyl ether acetate Chemical compound COCC(C)OC(C)=O LLHKCFNBLRBOGN-UHFFFAOYSA-N 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- WBHHMMIMDMUBKC-XLNAKTSKSA-N ricinelaidic acid Chemical compound CCCCCC[C@@H](O)C\C=C\CCCCCCCC(O)=O WBHHMMIMDMUBKC-XLNAKTSKSA-N 0.000 description 1
- 229960003656 ricinoleic acid Drugs 0.000 description 1
- FEUQNCSVHBHROZ-UHFFFAOYSA-N ricinoleic acid Natural products CCCCCCC(O[Si](C)(C)C)CC=CCCCCCCCC(=O)OC FEUQNCSVHBHROZ-UHFFFAOYSA-N 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- UFDHBDMSHIXOKF-UHFFFAOYSA-N tetrahydrophthalic acid Natural products OC(=O)C1=C(C(O)=O)CCCC1 UFDHBDMSHIXOKF-UHFFFAOYSA-N 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 description 1
- QXJQHYBHAIHNGG-UHFFFAOYSA-N trimethylolethane Chemical compound OCC(C)(CO)CO QXJQHYBHAIHNGG-UHFFFAOYSA-N 0.000 description 1
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
-
- 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
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
-
- 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
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
- C09D167/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- 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
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
-
- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- 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
- C08K3/36—Silica
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paints Or Removers (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Laminated Bodies (AREA)
Description
前記ラジカル共重合体(C)は、
(a)モノマー組成が、ラジカル重合性単量体の総質量に対して、不飽和カルボン酸アミド70.0〜99.8質量%、ラジカル重合性オルガノシロキサン0.2〜10質量%、その他のラジカル重合性単量体0〜29.8質量%であり、
(b)重量平均分子量が1,500〜15,000であり、
(c)水酸基価が10〜50mgKOH/gであり、
前記オルガノシリカゾル(D)は、平均粒子径が1〜30nmであり、
{前記(C)成分+前記(D)成分}/{前記(A)成分+前記(B)成分}で表される固形分質量比が3〜30%であり、
{前記(C)成分/前記(D)成分}で表される固形分質量比が0.2〜5.0である、塗料組成物に関する。
水酸基含有樹脂(A)として、例えば、ポリエステル樹脂、エポキシ樹脂、アクリル樹脂などが挙げられるが、折り曲げ加工性の点から、ポリエステル樹脂が好ましい。
水酸基と反応する架橋剤(B)として、例えば、アミノ樹脂、ポリイソシアネート化合物、ブロック化ポリイソシアネート化合物などを挙げることができるが、折り曲げ加工性や汎用性の点から、メラミン樹脂、ブロック化ポリイソシアネート化合物が好ましい。
ラジカル共重合体(C)は、ラジカル重合性単量体を原料成分とするラジカル重合反応を利用した、公知の方法により得ることができる。
本発明の塗料組成物の塗装条件は、塗装鋼板の製造における一般的な塗装条件を適用することができる。
温度計、ディーン・スターク管、還流冷却器、窒素導入管、撹拌機を備えたフラスコに、イソフタル酸35.8質量部、アジピン酸21.4質量部、ネオペンチルグリコール27.5質量部、トリメチロールプロパン15.3質量部を仕込み、攪拌しながら徐々に240℃まで昇温させて、さらにキシレン2.7質量部入れて脱水縮合重合反応を行いながら、定期的に酸価を測定した。酸価が15mgKOH/g以下になったら、混合溶剤(芳香族系溶剤(商品名「ソルベッソ100」、エクソンモービルケミカル社製)/シクロヘキサノン=50/50(質量比))56質量部を加えて希釈し、表1に示す特性値を有する水酸基含有ポリエステル樹脂A−1を得た。
表1に示された配合組成に従って、製造例1−1と同様の方法で、表1に示す特性値を有する水酸基含有ポリエステル樹脂A−2を得た。
還流冷却器、温度計、攪拌装置、窒素ガス導入管及び滴下ロートを備えたフラスコに、シクロヘキサノン59.7質量部を仕込んで100℃に昇温させた。次に、滴下成分としてアクロイルモルホリン36.7質量部、ポリシロキサンモノメタクリレート(商品名「サイラプレーンFM−0711」、JNC(株)製、重量平均分子量1,000)0.8質量部、2−ヒドロキシエチルアクリレート2.5質量部、ラジカル重合開始剤(商品名「パーブチルO」、日油(株)製)0.20質量部の混合物を滴下ロートで3時間かけて滴下した。滴下終了後、1時間は攪拌を続け、追加触媒0.10質量部を滴下した。その後2時間反応を続けたところで反応を終了し、表2に示す特性値を有するラジカル共重合体C−1を得た。
表2に示された配合組成に従って、製造例2−1と同様の方法で、表2に示す特性値を有するラジカル共重合体C−2〜C−12を得た。
(注1)FM0711:ポリシロキサンモノメタクリレート(商品名「サイラプレーンFM−0711」、JNC(株)製、重量平均分子量1000)
(注2)FM7711:ポリシロキサンジメタクリレート(商品名「サイラプレーンFM−7711」、JNC(株)製、重量平均分子量1000)
(注3)PO:ラジカル重合開始剤(商品名「パーブチルO」、日油(株)製)
水酸基含有ポリエステル樹脂A−1を39.9質量部、二酸化チタン(商品名「タイピュア R960」、デュポン社製)34.2質量部、混合溶剤(芳香族系溶剤(商品名「ソルベッソ100」、エクソンモービルケミカル社製)/シクロヘキサノン=50/50(質量比))10.0質量部を混合し、顔料の粒度が10μmになるまでサンドミルで分散し、ミルベースを得た。次に、このミルベースと、メラミン樹脂B−1(商品名「メラン2040」、日立化成工業(株)製、イミノ基含有型ブチル化メラミン樹脂、樹脂固形分59質量%)17.4質量部、ラジカル共重合体C−1を5.1質量部、オルガノシリカゾルD−1(商品名「MIBK−SD」、日産化学工業(株)製、平均粒子径10〜15nm、固形分30質量%)3.4質量部を混合し、実施例1の塗料組成物を得た。
表3〜4に示された配合組成に従って、実施例1と同様の方法で、実施例2〜13、及び比較例1〜14の塗料組成物を得た。
化成処理が施された板厚0.35mmのアルミニウム/亜鉛合金めっき鋼板(Al55%)上に、エポキシ樹脂系下塗り塗料(商品名「プレカラープライマーHP−301」、BASFコーティングスジャパン(株)製)をバーコーターにて乾燥膜厚が5μmになるように塗布し、最高到達板温210℃にて40秒間、熱風乾燥機中で焼き付けて下塗り塗膜を形成した。この下塗り塗膜の上に、実施例・比較例の塗料組成物をバーコーターにて乾燥膜厚が15μmになるように塗布し、最高到達板温が220℃にて40秒間、熱風乾燥機中で焼き付けて上塗り塗膜を形成して試験片を得た。
得られた試験片について、以下の塗膜性能評価を行い、結果を表3〜4に示した。
BASFコーティングスジャパン(株)戸塚工場内にある、軒先をモデル化した設置台に、試験片(100mm×200mm×0.3mm)を塗面が北側を向くように取り付けて、曝露試験を行い、3ヶ月間曝露試験をした試験片と6ヶ月間曝露試験をした試験片を得た。
各試験片について、塗面の状態を目視観察し、以下の基準で評価した。
◎:雨筋の跡が認められない。
○:雨筋の跡がわずかに認められる。
×:雨筋の跡が認められる。
試験片と同一の板を挟み込むようにして、試験片を180度に折り曲げ、折り曲げ加工性試験片を作製した。この際、試験片の間に挟み込まれる板の枚数により、0T、2Tなどと表記される。例えば、0Tとは、試験片と同一の板を挟み込まずに試験片を折り曲げることであり、2Tとは、試験片と同一の板を2枚挟み込むようにして試験片を折り曲げることを示す。本発明の塗膜の性能評価では4Tを実施し、折り曲げ後の頂部にセロハンテープを強く圧着させ、テープの端を45°の角度で一気に引き剥がし、塗膜の剥離状態により以下の基準で評価した。
◎:塗膜の剥離が認められない。
○:塗膜の剥離がわずかに認められる。
×:塗膜の剥離が認められる。
沸騰水に2時間浸漬し、室温で2時間放冷した後の試験片に、4T折り曲げ加工を施した。折り曲げ後の頂部にセロハンテープを強く圧着させ、テープの端を45°の角度で一気に引き剥がし、塗膜の剥離状態により以下の基準で評価した。
◎:塗膜の剥離が認められない。
○:塗膜の剥離がわずかに認められる。
×:塗膜の剥離が認められる。
(注1)B−1(商品名「メラン2040」、日立化成工業(株)製、イミノ基含有型ブチル化メラミン樹脂、樹脂固形分59質量%)
(注2)B−2(商品名「サイメル325」、サイテック・インダストリーズ社製、イミノ基含有型メチル化メラミン樹脂、樹脂固形分80質量%)
(注3)B−3(商品名「デスモジュールBL3175」、住化バイエルウレタン(株)製、ブロック剤:メチルエチルケトオキシム、HDIイソシアヌレート型、固形分75質量%)
(注4)D−1(商品名「MIBK−SD」、日産化学工業(株)製、平均粒子径10〜15nm、固形分30質量%)
(注5)D−2(商品名「MIBK−SD−L」、日産化学工業(株)製、平均粒子径40〜50nm、固形分30質量%)
(注6)二酸化チタン(商品名「タイピュア R960]、デュポン社製)
(注7)錫系触媒(商品名「ネオスタンU−100」、日東化成(株)製、ジブチル錫ジラウレート)
Claims (6)
- 水酸基含有樹脂(A)と、水酸基と反応する架橋剤(B)と、ラジカル共重合体(C)と、オルガノシリカゾル(D)を含有する塗料組成物であって、
前記ラジカル共重合体(C)は、
(a)モノマー組成が、ラジカル重合性単量体の総質量に対して、不飽和カルボン酸アミド70.0〜99.8質量%、ラジカル重合性オルガノシロキサン0.2〜10質量%、その他のラジカル重合性単量体0〜29.8質量%であり、
(b)重量平均分子量が1,500〜15,000であり、
(c)水酸基価が10〜50mgKOH/gであり、
前記オルガノシリカゾル(D)は、平均粒子径が1〜30nmであり、
{前記(C)成分+前記(D)成分}/{前記(A)成分+前記(B)成分}で表される固形分質量比が3〜30%であり、
{前記(C)成分/前記(D)成分}で表される固形分質量比が0.2〜5.0である、塗料組成物。 - 前記水酸基含有樹脂(A)の重量平均分子量が2,000〜60,000であり、水酸基価が10〜200mgKOH/gである、請求項1に記載の塗料組成物。
- 前記水酸基含有樹脂(A)が水酸基含有ポリエステル樹脂である、請求項1又は2に記載の塗料組成物。
- 前記水酸基と反応する架橋剤(B)がメラミン樹脂とブロック化ポリイソシアネート化合物から選ばれる少なくとも1種である、請求項1〜3のいずれか1項に記載の塗料組成物。
- {前記(A)成分/前記(B)成分}で表される固形分質量比が1〜9である、請求項1〜4のいずれか1項に記載の塗料組成物。
- 請求項1〜5のいずれか1項に記載の塗料組成物を塗装して得られた塗膜。
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JP2012262295A JP5975216B2 (ja) | 2012-06-22 | 2012-11-30 | 耐汚染性に優れた塗料組成物及びこれを塗装して得られる塗膜 |
ES13777022.8T ES2623181T3 (es) | 2012-06-22 | 2013-10-11 | Composición de pintura que tiene excelente resistencia a las manchas y películas de pintura obtenidas revistiendo la misma |
JP2015544388A JP2016504436A (ja) | 2012-11-30 | 2013-10-11 | 耐汚染性に優れた塗料組成物及びその被覆により得られる塗膜 |
PCT/EP2013/071305 WO2014082786A2 (en) | 2012-11-30 | 2013-10-11 | Paint composition which has excellent staining resistance and paint films obtained by coating same |
US14/647,912 US10144844B2 (en) | 2012-06-22 | 2013-10-11 | Paint composition which has excellent staining resistance and paint films obtained by coating same |
CN201380061865.2A CN104812852B (zh) | 2012-11-30 | 2013-10-11 | 具有优异耐污染性的漆料组合物和通过涂覆此组合物得到的漆膜 |
EP13777022.8A EP2925824B8 (en) | 2012-11-30 | 2013-10-11 | Paint composition which has excellent staining resistance and paint films obtained by coating same |
MX2015005155A MX2015005155A (es) | 2012-06-22 | 2013-10-11 | Composicion de pintura que tiene excelente resistencia al manchado y peliculas de pintura obtenidas mediante el revestimiento de las mismas. |
CA2886932A CA2886932C (en) | 2012-11-30 | 2013-10-11 | Paint composition which has excellent staining resistance and paint films obtained by coating same |
RU2015125637A RU2661569C2 (ru) | 2012-06-22 | 2013-10-11 | Композиция краски, которая имеет отличную устойчивость к коррозии, а также плёнки краски, полученные в результате нанесения такой композиции |
TW102138760A TWI609932B (zh) | 2012-11-30 | 2013-10-25 | 具有優異抗汙性之塗料組成物及由其塗佈而得之塗料膜 |
ZA2015/04678A ZA201504678B (en) | 2012-06-22 | 2015-06-29 | Paint composition which has excellent staining resistance and paint films obtained by coating same |
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WO2015156073A1 (ja) * | 2014-04-10 | 2015-10-15 | 関西ペイント株式会社 | 防汚塗料組成物、及びそれを塗装してなる塗装物品 |
JP6766254B2 (ja) | 2016-09-06 | 2020-10-07 | アクゾ ノーベル コーティングス インターナショナル ビー ヴィ | 熱硬化性組成物、塗装仕上げ方法、および塗装品を製造するための方法 |
CN109715750B (zh) * | 2016-09-22 | 2021-11-05 | 巴斯夫涂料有限公司 | 可通过缩合和/或加成反应固化的涂料组合物 |
KR101785403B1 (ko) | 2017-02-23 | 2017-10-17 | 이해식 | 불연성 선도장 강판 |
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