JPH04367766A - Painting method - Google Patents
Painting methodInfo
- Publication number
- JPH04367766A JPH04367766A JP16934091A JP16934091A JPH04367766A JP H04367766 A JPH04367766 A JP H04367766A JP 16934091 A JP16934091 A JP 16934091A JP 16934091 A JP16934091 A JP 16934091A JP H04367766 A JPH04367766 A JP H04367766A
- Authority
- JP
- Japan
- Prior art keywords
- component
- weight
- clear
- base material
- coating
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000010422 painting Methods 0.000 title claims abstract description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 20
- 150000001875 compounds Chemical class 0.000 claims abstract description 15
- 239000005056 polyisocyanate Substances 0.000 claims abstract description 10
- 229920001228 polyisocyanate Polymers 0.000 claims abstract description 10
- 229920006217 cellulose acetate butyrate Polymers 0.000 claims abstract description 9
- 230000009477 glass transition Effects 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 9
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 8
- 229920000178 Acrylic resin Polymers 0.000 claims abstract description 8
- 239000003822 epoxy resin Substances 0.000 claims abstract description 6
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 6
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 4
- 239000003973 paint Substances 0.000 abstract description 12
- 239000002184 metal Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 description 25
- 239000011248 coating agent Substances 0.000 description 17
- 239000002987 primer (paints) Substances 0.000 description 15
- 239000000178 monomer Substances 0.000 description 13
- 239000000758 substrate Substances 0.000 description 7
- -1 hydroxypropyl Chemical group 0.000 description 6
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 4
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 3
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 150000001298 alcohols Chemical class 0.000 description 3
- 125000000524 functional group Chemical group 0.000 description 3
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 3
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 description 3
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- UUEWCQRISZBELL-UHFFFAOYSA-N 3-trimethoxysilylpropane-1-thiol Chemical compound CO[Si](OC)(OC)CCCS UUEWCQRISZBELL-UHFFFAOYSA-N 0.000 description 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 2
- 239000005057 Hexamethylene diisocyanate Substances 0.000 description 2
- 239000005058 Isophorone diisocyanate Substances 0.000 description 2
- 229920000877 Melamine resin Polymers 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 2
- 125000002723 alicyclic group Chemical group 0.000 description 2
- 125000003545 alkoxy group Chemical group 0.000 description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- 239000002981 blocking agent Substances 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- IJOOHPMOJXWVHK-UHFFFAOYSA-N chlorotrimethylsilane Chemical compound C[Si](C)(C)Cl IJOOHPMOJXWVHK-UHFFFAOYSA-N 0.000 description 2
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 125000003700 epoxy group Chemical group 0.000 description 2
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 description 2
- FFUAGWLWBBFQJT-UHFFFAOYSA-N hexamethyldisilazane Chemical compound C[Si](C)(C)N[Si](C)(C)C FFUAGWLWBBFQJT-UHFFFAOYSA-N 0.000 description 2
- 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 2
- 239000002932 luster Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 230000000379 polymerizing effect Effects 0.000 description 2
- 229920005862 polyol Polymers 0.000 description 2
- 230000009257 reactivity Effects 0.000 description 2
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 2
- 229920002554 vinyl polymer Polymers 0.000 description 2
- NNOZGCICXAYKLW-UHFFFAOYSA-N 1,2-bis(2-isocyanatopropan-2-yl)benzene Chemical compound O=C=NC(C)(C)C1=CC=CC=C1C(C)(C)N=C=O NNOZGCICXAYKLW-UHFFFAOYSA-N 0.000 description 1
- ZXHZWRZAWJVPIC-UHFFFAOYSA-N 1,2-diisocyanatonaphthalene Chemical compound C1=CC=CC2=C(N=C=O)C(N=C=O)=CC=C21 ZXHZWRZAWJVPIC-UHFFFAOYSA-N 0.000 description 1
- ZGDSDWSIFQBAJS-UHFFFAOYSA-N 1,2-diisocyanatopropane Chemical compound O=C=NC(C)CN=C=O ZGDSDWSIFQBAJS-UHFFFAOYSA-N 0.000 description 1
- IKYNWXNXXHWHLL-UHFFFAOYSA-N 1,3-diisocyanatopropane Chemical compound O=C=NCCCN=C=O IKYNWXNXXHWHLL-UHFFFAOYSA-N 0.000 description 1
- VZXPHDGHQXLXJC-UHFFFAOYSA-N 1,6-diisocyanato-5,6-dimethylheptane Chemical compound O=C=NC(C)(C)C(C)CCCCN=C=O VZXPHDGHQXLXJC-UHFFFAOYSA-N 0.000 description 1
- KGRVJHAUYBGFFP-UHFFFAOYSA-N 2,2'-Methylenebis(4-methyl-6-tert-butylphenol) Chemical compound CC(C)(C)C1=CC(C)=CC(CC=2C(=C(C=C(C)C=2)C(C)(C)C)O)=C1O KGRVJHAUYBGFFP-UHFFFAOYSA-N 0.000 description 1
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 description 1
- OXYZDRAJMHGSMW-UHFFFAOYSA-N 3-chloropropyl(trimethoxy)silane Chemical compound CO[Si](OC)(OC)CCCCl OXYZDRAJMHGSMW-UHFFFAOYSA-N 0.000 description 1
- XDLMVUHYZWKMMD-UHFFFAOYSA-N 3-trimethoxysilylpropyl 2-methylprop-2-enoate Chemical compound CO[Si](OC)(OC)CCCOC(=O)C(C)=C XDLMVUHYZWKMMD-UHFFFAOYSA-N 0.000 description 1
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 1
- GAWIXWVDTYZWAW-UHFFFAOYSA-N C[CH]O Chemical group C[CH]O GAWIXWVDTYZWAW-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- OMRDSWJXRLDPBB-UHFFFAOYSA-N N=C=O.N=C=O.C1CCCCC1 Chemical compound N=C=O.N=C=O.C1CCCCC1 OMRDSWJXRLDPBB-UHFFFAOYSA-N 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- QYKIQEUNHZKYBP-UHFFFAOYSA-N Vinyl ether Chemical class C=COC=C QYKIQEUNHZKYBP-UHFFFAOYSA-N 0.000 description 1
- NOZAQBYNLKNDRT-UHFFFAOYSA-N [diacetyloxy(ethenyl)silyl] acetate Chemical compound CC(=O)O[Si](OC(C)=O)(OC(C)=O)C=C NOZAQBYNLKNDRT-UHFFFAOYSA-N 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000021736 acetylation Effects 0.000 description 1
- 238000006640 acetylation reaction Methods 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 125000004183 alkoxy alkyl group Chemical group 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 235000019270 ammonium chloride Nutrition 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 229940125904 compound 1 Drugs 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 239000011353 cycloaliphatic epoxy resin Substances 0.000 description 1
- KQWGXHWJMSMDJJ-UHFFFAOYSA-N cyclohexyl isocyanate Chemical compound O=C=NC1CCCCC1 KQWGXHWJMSMDJJ-UHFFFAOYSA-N 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000975 dye Substances 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
- 238000006266 etherification reaction Methods 0.000 description 1
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 1
- 239000001530 fumaric acid Substances 0.000 description 1
- 125000003055 glycidyl group Chemical group C(C1CO1)* 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 150000003951 lactams Chemical class 0.000 description 1
- 150000002596 lactones Chemical class 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
- 238000000691 measurement method Methods 0.000 description 1
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- AYLRODJJLADBOB-QMMMGPOBSA-N methyl (2s)-2,6-diisocyanatohexanoate Chemical compound COC(=O)[C@@H](N=C=O)CCCCN=C=O AYLRODJJLADBOB-QMMMGPOBSA-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
- BFXIKLCIZHOAAZ-UHFFFAOYSA-N methyltrimethoxysilane Chemical compound CO[Si](C)(OC)OC BFXIKLCIZHOAAZ-UHFFFAOYSA-N 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- PHQOGHDTIVQXHL-UHFFFAOYSA-N n'-(3-trimethoxysilylpropyl)ethane-1,2-diamine Chemical compound CO[Si](OC)(OC)CCCNCCN PHQOGHDTIVQXHL-UHFFFAOYSA-N 0.000 description 1
- MQWFLKHKWJMCEN-UHFFFAOYSA-N n'-[3-[dimethoxy(methyl)silyl]propyl]ethane-1,2-diamine Chemical compound CO[Si](C)(OC)CCCNCCN MQWFLKHKWJMCEN-UHFFFAOYSA-N 0.000 description 1
- KBJFYLLAMSZSOG-UHFFFAOYSA-N n-(3-trimethoxysilylpropyl)aniline Chemical compound CO[Si](OC)(OC)CCCNC1=CC=CC=C1 KBJFYLLAMSZSOG-UHFFFAOYSA-N 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 150000002923 oximes Chemical class 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 230000036314 physical performance Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- FZHAPNGMFPVSLP-UHFFFAOYSA-N silanamine Chemical compound [SiH3]N FZHAPNGMFPVSLP-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000011550 stock solution Substances 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 125000003396 thiol group Chemical group [H]S* 0.000 description 1
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 1
- 239000005051 trimethylchlorosilane Substances 0.000 description 1
- 229920001567 vinyl ester resin Polymers 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Abstract
Description
【０００１】0001
【産業上の利用分野】本発明は、カラーステンレス、カ
ラーアルマイトおよびクロムメッキなどの金属光沢を有
する光輝性基材の表面を、これらの光輝性を何ら損なう
ことなしに保護するための塗装法に関する。[Field of Industrial Application] The present invention relates to a coating method for protecting the surface of glittering substrates having metallic luster such as colored stainless steel, colored alumite, and chrome plating without impairing their glittering properties. .
【０００２】0002
【従来の技術とその課題】上記光輝性基材は、例えば自
動車のデザインニーズによりフロントピラー、センター
ピラー、ヘッドランプカバー、フロントグリルおよびモ
ールなどに使用されている。これまで、これらの光輝性
基材には、アクリル樹脂およびメラミン樹脂（またはポ
リイソシアネート化合物）を主成分とするクリアー塗料
が用いられていた。しかしながら、耐スリキズ性、付着
性、耐水性および耐候性などが不十分であり、その改良
が強く望まれている。BACKGROUND OF THE INVENTION The glittering substrates described above are used, for example, in front pillars, center pillars, headlamp covers, front grilles, moldings, etc., depending on the design needs of automobiles. Until now, clear paints containing acrylic resins and melamine resins (or polyisocyanate compounds) as main components have been used for these glitter substrates. However, scratch resistance, adhesion, water resistance, weather resistance, etc. are insufficient, and improvement thereof is strongly desired.
【０００３】0003
【課題を解決するための手段】本発明の目的は上記欠陥
を解消するところにあり、特定組成のクリアープライマ
ーおよび上塗りクリアー塗料を塗り重ねる、いわゆる２
コート方式により目的を達成できることを見い出し本発
明を完成した。[Means for Solving the Problems] The purpose of the present invention is to eliminate the above-mentioned defects, and to solve the above-mentioned defects, it is possible to solve the problem by applying a clear primer of a specific composition and a clear topcoat paint over and over again.
The present invention was completed by discovering that the objective could be achieved by a coating method.
【０００４】すなわち、本発明は、光輝性基材に（Ａ）
重量平均分子量５０００〜４００００、水酸基価１０〜
１２０およびガラス転移温度−２０〜１００℃であるア
クリル樹脂、（Ｂ）ポリイソシアネート化合物、（Ｃ）
シランカップリング剤および（Ｄ）セルロースアセテー
トブチレートおよび／または水添エポキシ樹脂を主成分
とするクリヤープライマーを塗装し、次いで上塗りクリ
ヤー塗料を塗装することを特徴とする塗装方法に関する
。[0004] That is, the present invention provides a glittering base material with (A)
Weight average molecular weight 5000-40000, hydroxyl value 10-
120 and a glass transition temperature of -20 to 100°C, (B) a polyisocyanate compound, (C)
The present invention relates to a coating method characterized by coating a clear primer containing a silane coupling agent and (D) cellulose acetate butyrate and/or a hydrogenated epoxy resin as main components, and then coating a clear top coat.
【０００５】本発明の方法（本方法）によって塗装され
た光輝性基材は該基材が有している光輝性を何ら低下さ
せることなく、しかも耐スリキズ性、耐水性および耐候
性などが著しく向上し、さらに表面平滑性、光沢および
耐衝撃性なども改良できた。さらに、これらの塗装した
塗膜は付着性および層間付着性などもすぐれている。[0005] The glittering substrate coated by the method of the present invention (the present method) does not reduce the glittering property of the substrate in any way, and has remarkable scratch resistance, water resistance, weather resistance, etc. In addition, surface smoothness, gloss, and impact resistance were also improved. Furthermore, these coated coatings have excellent adhesion and interlayer adhesion.
【０００６】以下に詳細に説明する。クリアープライマ
ーは上記（Ａ）、（Ｂ）、（Ｃ）および（Ｄ）成分を必
須成分とする塗料であって、形成される塗膜は透明であ
って、光輝性基材が有している光輝性を損なうことは全
くない。[0006] This will be explained in detail below. The clear primer is a paint containing the above components (A), (B), (C), and (D) as essential components, and the coating film formed is transparent and has a glittering base material. There is no loss of brightness at all.
【０００７】（Ａ）成分：重量平均分子量５０００〜４
００００、水酸基価１０〜１２０およびガラス転移温度
−２０〜１００℃であるアクリル樹脂。該アクリル樹脂
は、水酸基含有重合性モノマーを必須成分とし、さらに
必要に応じてカルボキシル基含有重合性モノマーやこれ
らの官能基を持っていないその他の重合性モノマーなど
を重合することによって得られる。Component (A): Weight average molecular weight 5000-4
0000, a hydroxyl value of 10 to 120, and a glass transition temperature of -20 to 100°C. The acrylic resin has a hydroxyl group-containing polymerizable monomer as an essential component, and can be obtained by further polymerizing a carboxyl group-containing polymerizable monomer or other polymerizable monomers that do not have these functional groups as necessary.
【０００８】水酸基含有重合性モノマーとしては、１分
子中に水酸基および重合性二重結合をそれぞれ少なくと
も１個有する化合物であって、具体的には、例えば２−
ヒドロキシエチル（メタ）アクリレートおよびヒドロキ
シプロピル（メタ）アクリレートなどがあげられ、さら
に炭素数２〜８の２価アルコールと（メタ）アクリル酸
との等モル付加物も使用できる。The hydroxyl group-containing polymerizable monomer is a compound having at least one hydroxyl group and at least one polymerizable double bond in one molecule, and specifically, for example, 2-
Examples include hydroxyethyl (meth)acrylate and hydroxypropyl (meth)acrylate, and equimolar adducts of dihydric alcohols having 2 to 8 carbon atoms and (meth)acrylic acid can also be used.
【０００９】カルボキシル基含有重合性モノマーは１分
子中にカルボキシル基および重合性二重結合を少なくと
もそれぞれ１個ずつ有する化合物であって、たとえば、
アクリル酸、メタクリル酸、マレイン酸、フマル酸およ
びイタコン酸などが用いられる。The carboxyl group-containing polymerizable monomer is a compound having at least one carboxyl group and at least one polymerizable double bond in one molecule, for example,
Acrylic acid, methacrylic acid, maleic acid, fumaric acid and itaconic acid are used.
【００１０】また、上記以外のその他の重合性モノマー
は上記官能基（水酸基およびカルボキシル基）を含まず
しかも重合性二重結合を１分子中に１個以上有する化合
物であって、たとえば、（メタ）アクリル酸と炭素数１
〜２０の１価アルコールとの等モルアルキルエステル化
合物またはシクロアルキルエステル、グリシジル（メタ
）アクリレート、（メタ）アクリル酸の炭素数２〜１８
のアルコキシアルキルエステル、ビニルエーテル類、ビ
ニルエステル、ビニル芳香族化合物、含窒素重合性モノ
マーおよびアルコキシシランなどがあげられ、これらは
単独または複数で用いられる。Other polymerizable monomers other than those mentioned above are compounds that do not contain the above-mentioned functional groups (hydroxyl group and carboxyl group) and have one or more polymerizable double bonds in one molecule, such as (meth) ) Acrylic acid and carbon number 1
Equimolar alkyl ester compound or cycloalkyl ester with ~20 monohydric alcohols, glycidyl (meth)acrylate, (meth)acrylic acid having 2 to 18 carbon atoms
Examples include alkoxyalkyl esters, vinyl ethers, vinyl esters, vinyl aromatic compounds, nitrogen-containing polymerizable monomers, and alkoxysilanes, and these may be used alone or in combination.
【００１１】上記モノマー成分の比率は、少なくとも水
酸基価およびガラス転移温度が特定した範囲内に含まれ
るように選択すれば良い。これらのモノマーの重合は通
常の方法で行うことができる。[0011] The ratio of the above monomer components may be selected so that at least the hydroxyl value and the glass transition temperature are within the specified ranges. Polymerization of these monomers can be carried out by conventional methods.
【００１２】そして、得られるアクリル樹脂（Ａ成分）
は、重量平均分子量が５０００〜４００００、好ましく
は１５０００〜３００００、水酸基価が１０〜１２０、
好ましくは１５〜４０およびガラス転移温度が−２０〜
１００℃、好ましくは−５〜８０℃の範囲内にそれぞれ
含まれていることが必要である。重量平均分子量が５０
００より小さくなると形成塗膜の撓み性が低下し、一方
４００００より大きくなると塗料粘度が高くなって仕上
がり塗膜の平滑性などの外観が劣化するので、いずれも
好ましくない。水酸基価が１０より小さくなると硬化反
応性が劣り、一方１２０より大きくなると硬化反応性が
高すぎるので、いずれも好ましくない。また、ガラス転
移温度が−２０℃より低くなると塗膜が軟質化し、必要
な塗膜硬度が得られず、一方１００℃より高くなると塗
膜の撓み性が低下するので、いずれも好ましくない。さ
らに、該アクリル樹脂は酸価は１０以下であることが特
に好ましい。[0012] The obtained acrylic resin (component A)
has a weight average molecular weight of 5,000 to 40,000, preferably 15,000 to 30,000, and a hydroxyl value of 10 to 120,
Preferably 15 to 40 and a glass transition temperature of -20 to
It is necessary that each temperature is within the range of 100°C, preferably -5 to 80°C. Weight average molecular weight is 50
If it is less than 00, the flexibility of the formed coating film will decrease, while if it is greater than 40,000, the paint viscosity will increase and the appearance, such as the smoothness, of the finished coating film will deteriorate, so both are not preferred. If the hydroxyl value is less than 10, the curing reactivity is poor, while if it is larger than 120, the curing reactivity is too high, so both are not preferred. Furthermore, if the glass transition temperature is lower than -20°C, the coating film becomes soft and the necessary coating film hardness cannot be obtained, while if it is higher than 100°C, the flexibility of the coating film decreases, which is not preferable. Furthermore, it is particularly preferable that the acrylic resin has an acid value of 10 or less.
【００１３】（Ｂ）成分：ポリイソシアネート化合物１
分子中に２個以上のイソシアネート基を有する化合物で
あって、このイソシアネート基をブロックしてなるブロ
ックオポリイソシアネート化合物も含まれる。具体的に
は、ヘキサメチレンジイソシアネート、トリメチレンジ
イソシアネート、１、４−テトラメチレンジイソシアネ
ート、１、２−プロピレンシイソシアネート、トリメチ
ルヘキサメチレンジイソシアネート、リジンジイソシア
ネートなどの脂肪族系ジイソシアネート；イソホロンジ
イソシアネート、４、４′−メチレンビス（シクロヘキ
シルイソシアネート）、シクロヘキサンジイソシアネー
トなどの脂環式系ジイソシアネート；キシレンジイソシ
アネート、テトラメチルキシリレンジイソシアネート、
トリレンジイソシアネート、４、４′−ジフェニルメタ
ンジイソシアネート、ナフタレンジイソシアネート、ト
ルイジンジイソシアネートなどの芳香族ジイソシアネー
ト；などかあげられるが、これらのみに限定されない。
また（Ｂ）成分として上記ポリイソシアネート化合物の
イソシアネート基の一部または全部をブロック剤でキャ
ップしたものも使用できる。Component (B): Polyisocyanate compound 1
Also included are compounds having two or more isocyanate groups in the molecule, and blocked polyisocyanate compounds in which these isocyanate groups are blocked. Specifically, aliphatic diisocyanates such as hexamethylene diisocyanate, trimethylene diisocyanate, 1,4-tetramethylene diisocyanate, 1,2-propylene diisocyanate, trimethylhexamethylene diisocyanate, and lysine diisocyanate; isophorone diisocyanate, 4,4' -Alicyclic diisocyanates such as methylene bis(cyclohexyl isocyanate) and cyclohexane diisocyanate; xylene diisocyanate, tetramethylxylylene diisocyanate,
Aromatic diisocyanates such as tolylene diisocyanate, 4,4'-diphenylmethane diisocyanate, naphthalene diisocyanate, and toluidine diisocyanate; examples thereof include, but are not limited to, these. Further, as component (B), a polyisocyanate compound in which some or all of the isocyanate groups are capped with a blocking agent can also be used.
【００１４】このうち、耐候性を向上させるためには脂
肪族系や脂環族系のポリイソシアネート化合物を用いる
ことが好ましい。Among these, aliphatic or alicyclic polyisocyanate compounds are preferably used in order to improve weather resistance.
【００１５】ブロック剤としては、フェノール類、オキ
シム類、ラクタム類およびアルコール類などが特に好適
である。Particularly suitable blocking agents include phenols, oximes, lactams and alcohols.
【００１６】（Ｃ）成分；シランカップリング剤これは
、一般式Ｘ・・・・・・・ Ｓｉ（ＯＲ）３ （式中、
Ｘは有機質と反応する官能基で、たとえばアミノ基、ビ
ニル基、エポキシし、メルカプト基、クロル基を示し、
Ｒは加水分解可能なメトキシ基、エトキシ基などのアル
コキシ基を示す）で示される化合物が好適に用いられる
。Component (C): Silane coupling agent This has the general formula X...Si(OR)3 (wherein,
X is a functional group that reacts with organic substances, such as an amino group, a vinyl group, an epoxy group, a mercapto group, and a chloro group;
A compound represented by R represents a hydrolyzable alkoxy group such as a methoxy group or an ethoxy group is preferably used.
【００１７】具体的には、例えば、γ−（２−アミノエ
チル）アミノプロピルトリメトキシシラン、γ−（２−
アミノエチル）アミノプロピルメチルジメトキシシラン
、アミノシラン、γ−メタクリロキシプロピルトリメト
キシシラン、Ｎ−β−（Ｎ−ビニルベンジルアミノエチ
ル）−γ−アミノプロピルトリメトキシシラン−塩酸塩
、γ−グリシドキシプロピルトリメトキシシラン、γ−
メルカプトプロピルトリメトキシシラン、メチルトリメ
トキシシラン、ビニルトリアセトキシシラン、γ−クロ
ロプロピルトリメトキシシラン、ヘキサメチルジシラザ
ン、γ−アニリノプロピルトリメトキシシラン、ビニル
トリメトキシシラン、オクタデシルジメチル〔３−（ト
リメトキシシリル）プロピル〕アンモニウムクロライド
、トリメチルクロロシランなどがあげられる。Specifically, for example, γ-(2-aminoethyl)aminopropyltrimethoxysilane, γ-(2-
aminoethyl)aminopropylmethyldimethoxysilane, aminosilane, γ-methacryloxypropyltrimethoxysilane, N-β-(N-vinylbenzylaminoethyl)-γ-aminopropyltrimethoxysilane hydrochloride, γ-glycidoxypropyl Trimethoxysilane, γ-
Mercaptopropyltrimethoxysilane, methyltrimethoxysilane, vinyltriacetoxysilane, γ-chloropropyltrimethoxysilane, hexamethyldisilazane, γ-anilinopropyltrimethoxysilane, vinyltrimethoxysilane, octadecyldimethyl[3-(trimethoxysilane) Examples include methoxysilyl)propyl]ammonium chloride and trimethylchlorosilane.
【００１８】（Ｄ）成分；セルロースアセテートブチレ
ート（ＣＡＢ）および（または）水添エポキシ樹脂まず
、ＣＡＢはセルロースの部分アセチル化物をさらにブチ
ルエーテル化して得られるセルロース誘導体であり、本
方法において好適に用いられるＣＡＢとしては、アセチ
ル化度が一般に１〜３４重量％、好ましくは１〜７重量
％；ブチル基含量が一般に１６〜６０重量％、好ましく
は４０〜６０重量％；ＡＳＴＭ−Ｄ−１３４３１５４に
記載された測定法による粘度が一般に０．００５〜５秒
、好ましくは０．００５〜１秒の範囲内に入るものがあ
げられる。具体的には米国イーストマンコダック社製品
、例えば商品名（前者の数字の２桁目まではブチル基含
量（重量％）を、また同じく３桁目は水酸基含量を示し
、そして後者の数字は粘度（秒）を示す）で、ＥＡＢ−
１７１−２、ＥＡＢ−３８１−２、ＥＡＢ−５３１−１
、ＥＡＢ−５５１−０２、ＥＡＢ−５５−０．０１など
が有利に使用でき、なかでも、溶解性、相溶性、粘度な
どの観点から、ブチル基含量が多く且つ低粘度のＥＡＢ
−５５１−０．２およびＥＡＢ−５５１−０．００１が
好適である。Component (D): Cellulose acetate butyrate (CAB) and/or hydrogenated epoxy resin First, CAB is a cellulose derivative obtained by further butyl etherification of partially acetylated cellulose, and is preferably used in this method. The CAB used generally has a degree of acetylation of 1 to 34% by weight, preferably 1 to 7% by weight; a butyl group content of generally 16 to 60% by weight, preferably 40 to 60% by weight; described in ASTM-D-1343154. The viscosity measured by the measurement method generally falls within the range of 0.005 to 5 seconds, preferably 0.005 to 1 second. Specifically, the products of Eastman Kodak Company in the United States, such as the product name (the first two digits indicate the butyl group content (wt%), the third digit indicates the hydroxyl group content, and the latter number indicates the viscosity) (indicates seconds), EAB-
171-2, EAB-381-2, EAB-531-1
, EAB-551-02, EAB-55-0.01, etc. can be advantageously used. Among them, EAB with a high butyl group content and low viscosity from the viewpoint of solubility, compatibility, viscosity, etc.
-551-0.2 and EAB-551-0.001 are preferred.
【００１９】水添エポキシ樹脂は１分子中にエポキシ基
を２個以上持ち、且つ脂環式骨格を有する化合物である
。これらの市販品としては、たとえばセロキサイド２０
２１（ダイセル化学工業（株）製、商品名、注１）、サ
ントートＳＴ−３００（東都化成（株）製、商品名、注
２）などがあげられる。Hydrogenated epoxy resin is a compound having two or more epoxy groups in one molecule and an alicyclic skeleton. These commercially available products include, for example, Celoxide 20
21 (manufactured by Daicel Chemical Industries, Ltd., trade name, note 1), and Santoto ST-300 (manufactured by Toto Kasei Co., Ltd., trade name, note 2).
【化１】[Chemical formula 1]
【００２０】（Ｄ）成分は、ＣＡＢおよび水添エポキシ
樹脂のいずれかもしくは両方を同時に用いることができ
る。As component (D), either or both of CAB and hydrogenated epoxy resin can be used simultaneously.
【００２１】クリアープライマーにおける上記成分の構
成比率は目的に応じて任意に選択できる。たとえば、（
Ａ）成分と（Ｂ）成分とは、（Ａ）成分中の−ＯＨと（
Ｂ）成分中の−ＮＣＯとのモル比、つまり、−ＮＣＯ／
−ＯＨにもとずいて、０．６〜１．２、特に０．７〜０
．９の範囲が好ましい。（Ｃ）成分は、（Ａ）成分１０
０重量部あたり５〜２０重量部、特に６〜１０重量部が
好ましい。（Ｄ）成分は（Ａ）成分１００重量部あたり
３〜１５、特に５〜１０重量部が好適である。The composition ratio of the above components in the clear primer can be arbitrarily selected depending on the purpose. for example,(
A) component and (B) component are -OH in component (A) and (
B) molar ratio with -NCO in the component, i.e. -NCO/
-OH based on 0.6 to 1.2, especially 0.7 to 0
．． A range of 9 is preferred. (C) component is (A) component 10
5 to 20 parts by weight, particularly 6 to 10 parts by weight per 0 parts by weight are preferred. Component (D) is preferably used in an amount of 3 to 15, particularly preferably 5 to 10 parts by weight per 100 parts by weight of component (A).
【００２２】さらに該クリアープライマーは、必要に応
じて通常塗料に用いられている有機溶剤（活性水素を有
していないことが好ましい）、はじき防止剤、平滑剤、
顔料および染料などを本方法の目的を阻害しない範囲内
で配合することができる。[0022] Furthermore, the clear primer may contain organic solvents (preferably containing no active hydrogen), anti-repellents, smoothing agents,
Pigments, dyes, and the like can be added within a range that does not impede the purpose of this method.
【００２３】上塗りクリアー塗料は、クリアープライマ
ーの塗面に塗装する塗料であって、従来自動車用上塗り
塗料として一般に用いられている熱硬化性塗料が好まし
いが、本方法においては下記塗料が特に良好であった。[0023] The clear top coat is a paint that is applied to the coated surface of the clear primer, and is preferably a thermosetting paint that has been generally used as a top coat for automobiles. However, in this method, the following paints are particularly effective. there were.
【００２４】（Ｔ−１）：イ）末端に重合性不飽和結合
を有するマクロモノマー３〜３０重量％、ロ）スチレン
１０〜５０重量％およびハ）その地のエチレン性不飽和
単量体２０〜８７重量％共重合させてなる水酸基価６０
〜１２０の水酸基含有グラフト樹脂（Ｉ）およびポリイ
ソシアネート化合物（ＩＩ）を主成分とする塗料。（詳
細は特開平１−３０８４６３号公報参照）(T-1): a) 3 to 30% by weight of a macromonomer having a polymerizable unsaturated bond at its terminal, b) 10 to 50% by weight of styrene, and c) 20% of the local ethylenically unsaturated monomer. ~87% by weight copolymerization with hydroxyl value 60
-120 hydroxyl group-containing graft resin (I) and a polyisocyanate compound (II) as main components. (For details, see Japanese Patent Application Laid-Open No. 1-308463)
【００２５】
（Ｔ−２）：イ）水酸基含有アクリル系モノマーにラク
トン類を反応させてなるラクトン変性モノマーを５〜６
０重量％含有し、かつ水酸基価が１００〜２５０のアク
リル系樹脂およびロ）ポリイソシアネート化合物（ブロ
ック化物も含む）を主成分とする塗料。
（詳細は特開平２−３０５８７３号公報参照）[0025]
(T-2): A) 5 to 6 lactone-modified monomers obtained by reacting lactones with hydroxyl group-containing acrylic monomers.
A paint containing as main components an acrylic resin containing 0% by weight and having a hydroxyl value of 100 to 250, and b) a polyisocyanate compound (including blocked products). (For details, see Japanese Patent Application Laid-Open No. 2-305873)
【００２
６】（Ｔ−３）：イ）重量平均分子量４００〜２０００
未満、重量平均分子量（Ｍｗ）と数平均分子量（Ｍｎ）
との比Ｍｗ／Ｍｎが１．６以下である分子量分布を有し
、かつ水酸基価が１５０〜４００ｍｇＫＯＨ／ｇである
低分子量ポリオール成分、ロ）高分子分散安定剤および
有機溶剤の存在下で少なくとも１種のビニルモノマーを
分散重合させてなる非水デイスパージョン型アクリル樹
脂、ハ）重量平均分子量が５０００〜５００００でかつ
水酸基価が５０〜１８０ｍｇＫＯＨ／ｇである溶液型ア
クリルポリオール樹脂およびニ）アルコキシモノメリッ
クメラミンを配合してなり、イ）〜ニ）成分の合計重量
にもとずいてイ）が１５〜５０重量％、ロ）成分が１０
〜６０重量％、ハ）成分が５〜５５重量％およびニ）成
分が２０〜５０重量％である塗料。（詳細は特開昭６４
−４３３７４号公報参照）002
6] (T-3): A) Weight average molecular weight 400-2000
less than, weight average molecular weight (Mw) and number average molecular weight (Mn)
A low molecular weight polyol component having a molecular weight distribution with a ratio Mw/Mn of 1.6 or less and a hydroxyl value of 150 to 400 mgKOH/g; A non-aqueous dispersion type acrylic resin obtained by dispersing and polymerizing one type of vinyl monomer, c) a solution type acrylic polyol resin having a weight average molecular weight of 5,000 to 50,000 and a hydroxyl value of 50 to 180 mgKOH/g, and d) an alkoxy It is made by blending monomeric melamine, and based on the total weight of components a) to d), a) is 15 to 50% by weight, and b) is 10% by weight.
~60% by weight, component (iii) from 5 to 55% by weight, and component (d) from 20 to 50% by weight. (For details, please refer to JP-A-64
-Refer to Publication No. 43374)
【００２７】これらの上塗りクリヤー塗料はすべて本出
願人によって提案され既知である。これらの詳細は特開
平１−３０８４６３号公報、特開平２−３０５８７３号
公報および特開昭６４−４３３７４号公報に記載されて
いるので、本明細書での上記（Ｔ−１）、（Ｔ−２）お
よび（Ｔ−３）に関する具体的な説明は該公報記載を参
照していただき、本明細書での説明は省略する。したが
って、該両公報における（Ｔ−１）〜（Ｔ−３）に関す
る記載はすべて本方法の上塗りクリアー塗料にあてはめ
ることができ、本方法に包含されるものである。All of these clear top coatings have been proposed by the applicant and are known. The details of these are described in JP-A-1-308463, JP-A-2-305873, and JP-A-64-43374, so the above (T-1) and (T- For specific explanations regarding 2) and (T-3), please refer to the publication, and the explanations in this specification will be omitted. Therefore, all the descriptions regarding (T-1) to (T-3) in both publications can be applied to the top coat clear paint of this method and are included in this method.
【００２８】本方法において適用できる光輝性基材は、
キラキラとして金属光沢を有するもの、またはそれに加
えてさらに光の干渉現象などによって鮮やかに発色する
（たとえば赤から緑）ものも含まれる。具体的には、樹
脂表面にクロムメッキしたもの、酸化被膜によって光の
干渉現象を示すカラーステンレスやカラーアルマイトな
どがあげられる。また、これらの酸化被膜の摩耗性を改
良するためにクロム酸とりん酸との混合液などで陰極電
解処理（硬膜処理）したものも適用できる。これらは自
動車のピラー（フロント、センター、リアー）、ヘッド
ランプカバー、ルーバー類、フロントグリル、ミラーケ
ースおよびモールなどに用いられている。[0028] Glitter base materials that can be applied in this method include:
It also includes those that have a sparkling metallic luster, or those that develop vivid colors (for example, from red to green) due to light interference phenomena. Specifically, examples include those with chrome plating on the resin surface, and colored stainless steel and colored alumite that exhibit light interference due to their oxide coating. In addition, in order to improve the abrasion properties of these oxide films, those subjected to cathodic electrolytic treatment (hardening treatment) with a mixed solution of chromic acid and phosphoric acid, etc., can also be applied. These are used in automobile pillars (front, center, rear), headlamp covers, louvers, front grilles, mirror cases, moldings, etc.
【００２９】本方法は光輝性基材の表面（あらかじめ有
機溶剤やアルカリ成分などで脱脂、清浄しておくことが
好ましい）に、まずクリアープライマーを塗装する。塗
装方法はとくに制限されず、スプレー塗装、浸漬塗装な
どが好適である。塗装膜厚は硬化塗膜に基いて１０〜３
０μが適している。該塗膜は室温でも硬化するが、８０
〜１５０℃に加熱して硬化させるのが好ましい。[0029] In this method, a clear primer is first applied to the surface of a glittering substrate (preferably degreased and cleaned with an organic solvent or an alkaline component in advance). The coating method is not particularly limited, and spray coating, dipping coating, etc. are suitable. Paint film thickness is 10-3 based on cured film.
0 μ is suitable. Although the coating film cures at room temperature,
It is preferable to heat to ~150°C to harden.
【００３０】ついで、該プライマー塗面に上塗りクリア
ーを塗装する。この塗装は上記と同様に行える。塗装膜
厚は、硬化塗膜を基準に２０〜６０μが適している。ま
た、該上塗りクリヤー塗料として前記（Ｔ−１）および
（Ｔ−２）を用いると室温で硬化するが、６０−１００
℃に加熱して硬化させることが好ましい。また前記（Ｔ
−３）では通常１００〜１６０℃に加熱することが好ま
しい。本方法ではプライマー塗膜を硬化させてからクリ
ヤ塗料を塗装し硬化させる２コート２ベイク方式または
プライマー塗膜を硬化させることなく、その塗面に上塗
りクリアーを塗装した後、加熱して両塗膜を同時に硬化
させる２コート１ベイク方式のいずれも適用できる。[0030] Next, a clear topcoat is applied to the primer coated surface. This coating can be done in the same manner as above. The suitable coating film thickness is 20 to 60 μm based on the cured coating film. Moreover, when the above-mentioned (T-1) and (T-2) are used as the top clear paint, it cures at room temperature, but
It is preferable to heat it to a temperature of .degree. C. for curing. Also, the above (T
In -3), it is usually preferable to heat to 100 to 160°C. This method uses a 2-coat, 2-bake method in which the primer coating is cured, then a clear coating is applied and cured, or a clear topcoat is applied to the coated surface without curing the primer coating, and then both coatings are coated by heating. Any two-coat, one-bake method that simultaneously cures both can be applied.
【００３１】本方法に用いる上記クリアープライマーは
硬化性にすぐれており速やかに三次元に硬化する。しか
も、塗装作業性、仕上がり外観、密着性、透明性、耐候
性、平滑性、鮮映性、物理的性能なども良好である。The above-mentioned clear primer used in this method has excellent curability and rapidly cures three-dimensionally. Moreover, it has good coating workability, finished appearance, adhesion, transparency, weather resistance, smoothness, image clarity, and physical performance.
【００３２】[0032]
【実施例】本方法を実施例にもとずいてさらに具体的に
説明する。
１．試料
１）光輝性基材
ａ：酸化被膜および硬膜処理（クロム酸とりん酸との混
合液を使用）行ったカラーステンレス板（厚さ０．３ｍ
ｍ）。
ｂ：樹脂クロムメッキ板（素材ＡＢＳ、厚さ３ｍｍ）[Example] This method will be explained in more detail based on an example. 1. Sample 1) Bright substrate a: Colored stainless steel plate (0.3 m thick) with oxide film and hardening treatment (using a mixture of chromic acid and phosphoric acid)
m). b: Resin chrome plated plate (material ABS, thickness 3mm)
【
００３３】２）クリアープライマーの成分（Ａ）成分
（Ａ−１）：タケラックＵＡ−９０５（武田薬品工業（
株）製、商品名）重量平均分子量２７０００、水酸基価
４０、ガラス転移温度２１℃、酸価１以下。
（Ａ−２）：タケラックＵＡ−９０６（武田薬品工業（
株）製、商品名）重量平均分子量２８０００、水酸基価
４０、ガラス転移温度３６℃、酸価１。
（Ｂ）成分
（Ｂ−１）：
ヘキサメチレンジイソシアネート
（Ｂ−２）：
イソホロンジイソシアネート
（Ｃ）成分
（Ｃ−１）：
γ−グリシドキシプロピルトリメトキシシラン（Ｃ−２
）：
γ−メルカプトプロピルトリメトキシシラン（Ｄ）成分
（Ｄ−１）：
セロキサイド２０２１（ダイセル（株）製、商品名、環
状脂肪族エポキシ樹脂）
（Ｄ−２）：
ＣＡＢ−５５１−０．２（ＥＡＳＴＭＡＮＮ ＣＨＥＭ
ＩＣＡＬ ＰＲＯＤＵＣＴＳ ＩＮＣ 製、セルロース
アセテートブチレート）[
2) Clear primer component (A) component (A-1): Takelac UA-905 (Takeda Pharmaceutical Co., Ltd.
Co., Ltd., trade name) weight average molecular weight 27,000, hydroxyl value 40, glass transition temperature 21°C, acid value 1 or less. (A-2): Takerac UA-906 (Takeda Pharmaceutical Co., Ltd.
Co., Ltd., trade name) weight average molecular weight 28,000, hydroxyl value 40, glass transition temperature 36°C, acid value 1. (B) Component (B-1): Hexamethylene diisocyanate (B-2): Isophorone diisocyanate (C) Component (C-1): γ-Glycidoxypropyltrimethoxysilane (C-2)
): γ-mercaptopropyltrimethoxysilane (D) component (D-1): Celloxide 2021 (manufactured by Daicel Corporation, trade name, cycloaliphatic epoxy resin) (D-2): CAB-551-0.2 (EASTMANN CHEM
ICAL PRODUCTS INC, cellulose acetate butyrate)
【００３４】３）クリアープラ
イマーの配合上記成分を用いて表１の組成に配合してク
リアープライマーを製造した。3) Compounding of clear primer A clear primer was manufactured by blending the above ingredients into the composition shown in Table 1.
【００３５】[0035]
【表１】
表１において、
（Ａ）および（Ｄ）成分の配合量はいずれも固形分量で
示した。
（Ｂ）成分は、（Ｂ）成分中ＮＣＯ／（Ａ）成分中ＯＨ
（モル比）。
（Ｃ）成分の配合量は原液重量で示した。[Table 1] In Table 1, the blending amounts of components (A) and (D) are both shown in terms of solid content. (B) component is NCO in component (B)/OH in component (A)
(molar ratio). The blending amount of component (C) is indicated by the weight of the stock solution.
【００３６】２．実施例
上記クリヤープライマーを用いて本方法に従って塗装し
た。塗装工程および塗膜性能試験結果を表２に示した。2. EXAMPLE Painting was carried out according to this method using the above clear primer. The coating process and coating film performance test results are shown in Table 2.
【００３７】[0037]
【表２】[Table 2]
【００３８】上塗りクリヤーの名称に記載のものはいず
れも関西ペイント（株）製の商品名である。
初期光沢：６０度鏡面反射率
初期付着：カッターナイフで大きさ１×１ｍｍの升目１
００個を塗面に基材表面に達するようにつくり、その塗
面に粘着テープを張り付け、それを急激に剥がした後の
残存ゴバン目の数を調べた。
耐衝撃性：５００ｇの重りを１／２インチの撃心に落下
して塗面に異常が発生しない最大落下距離を測定した。
耐水性：４０℃、２４時間浸漬後の塗面状態を見た。All of the names of clear top coats are trade names manufactured by Kansai Paint Co., Ltd. Initial gloss: 60 degrees specular reflectance Initial adhesion: 1 square of size 1 x 1 mm with a cutter knife
00 was made on a painted surface so as to reach the surface of the base material, an adhesive tape was pasted on the painted surface, and the number of remaining goblets after the adhesive tape was rapidly peeled off was examined. Impact resistance: A 500 g weight was dropped onto a 1/2 inch center of impact and the maximum fall distance without causing any abnormality on the painted surface was measured. Water resistance: The condition of the coated surface was observed after immersion at 40°C for 24 hours.
Claims (1)
５０００〜４００００、水酸基価１０〜１２０およびガ
ラス転移温度−２０〜１００℃であるアクリル樹脂、（
Ｂ）ポリイソシアネート化合物、（Ｃ）シランカップリ
ング剤および（Ｄ）セルロースアセテートブチレートお
よび（または）水添エポキシ樹脂を主成分とするクリヤ
ープライマーを塗装し、次いで上塗りクリヤー塗料を塗
装することを特徴とする塗装方法。1. A glittering base material, (A) an acrylic resin having a weight average molecular weight of 5,000 to 40,000, a hydroxyl value of 10 to 120, and a glass transition temperature of -20 to 100°C;
B) A clear primer whose main components are a polyisocyanate compound, (C) a silane coupling agent, and (D) cellulose acetate butyrate and/or a hydrogenated epoxy resin is applied, and then a clear top coat is applied. Painting method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16934091A JPH04367766A (en) | 1991-06-13 | 1991-06-13 | Painting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16934091A JPH04367766A (en) | 1991-06-13 | 1991-06-13 | Painting method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04367766A true JPH04367766A (en) | 1992-12-21 |
Family
ID=15884746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16934091A Pending JPH04367766A (en) | 1991-06-13 | 1991-06-13 | Painting method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04367766A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0852422A (en) * | 1994-04-15 | 1996-02-27 | Ashland Inc | Method of coating car |
| JP2002315477A (en) * | 2000-12-14 | 2002-10-29 | Shimano Inc | Article for leisure and method for surface treatment of the same |
| KR100760262B1 (en) * | 2006-10-02 | 2007-09-19 | (주)칠칠공사 | Painting method of construction structure and preprocessing paint compositions for painting |
| JP2015199293A (en) * | 2014-04-09 | 2015-11-12 | 新日鐵住金ステンレス株式会社 | Clear-coated stainless steel sheet |
-
1991
- 1991-06-13 JP JP16934091A patent/JPH04367766A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0852422A (en) * | 1994-04-15 | 1996-02-27 | Ashland Inc | Method of coating car |
| JP2002315477A (en) * | 2000-12-14 | 2002-10-29 | Shimano Inc | Article for leisure and method for surface treatment of the same |
| KR100760262B1 (en) * | 2006-10-02 | 2007-09-19 | (주)칠칠공사 | Painting method of construction structure and preprocessing paint compositions for painting |
| JP2015199293A (en) * | 2014-04-09 | 2015-11-12 | 新日鐵住金ステンレス株式会社 | Clear-coated stainless steel sheet |
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