JP2012207115A - Aqueous resin composition - Google Patents
Aqueous resin composition Download PDFInfo
- Publication number
- JP2012207115A JP2012207115A JP2011073340A JP2011073340A JP2012207115A JP 2012207115 A JP2012207115 A JP 2012207115A JP 2011073340 A JP2011073340 A JP 2011073340A JP 2011073340 A JP2011073340 A JP 2011073340A JP 2012207115 A JP2012207115 A JP 2012207115A
- Authority
- JP
- Japan
- Prior art keywords
- weight
- parts
- resin composition
- group
- aqueous resin
- 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.)
- Granted
Links
- 239000011342 resin composition Substances 0.000 title claims abstract description 39
- -1 alkali metal salt Chemical class 0.000 claims abstract description 97
- 239000000839 emulsion Substances 0.000 claims abstract description 95
- 150000001875 compounds Chemical class 0.000 claims abstract description 48
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 47
- 229920000178 Acrylic resin Polymers 0.000 claims abstract description 47
- 239000003945 anionic surfactant Substances 0.000 claims abstract description 37
- 150000003377 silicon compounds Chemical class 0.000 claims abstract description 36
- 229910052783 alkali metal Inorganic materials 0.000 claims abstract description 29
- 125000003700 epoxy group Chemical group 0.000 claims abstract description 10
- VPKDCDLSJZCGKE-UHFFFAOYSA-N carbodiimide group Chemical group N=C=N VPKDCDLSJZCGKE-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims description 47
- 230000007062 hydrolysis Effects 0.000 claims description 31
- 238000006460 hydrolysis reaction Methods 0.000 claims description 31
- 125000004432 carbon atom Chemical group C* 0.000 claims description 30
- 239000004094 surface-active agent Substances 0.000 claims description 19
- 239000002253 acid Substances 0.000 claims description 18
- 125000000217 alkyl group Chemical group 0.000 claims description 14
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 9
- 125000003118 aryl group Chemical group 0.000 claims description 8
- 125000005370 alkoxysilyl group Chemical group 0.000 claims description 7
- 229910052799 carbon Inorganic materials 0.000 claims description 7
- 125000003545 alkoxy group Chemical group 0.000 claims description 5
- 238000000354 decomposition reaction Methods 0.000 claims description 2
- 150000003384 small molecules Chemical class 0.000 claims 1
- 238000003860 storage Methods 0.000 abstract description 21
- 238000007720 emulsion polymerization reaction Methods 0.000 abstract description 6
- 238000011109 contamination Methods 0.000 abstract description 5
- 230000001747 exhibiting effect Effects 0.000 abstract description 2
- 239000000178 monomer Substances 0.000 description 54
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 54
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 34
- 238000000576 coating method Methods 0.000 description 27
- 239000011248 coating agent Substances 0.000 description 26
- 238000009833 condensation Methods 0.000 description 25
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 23
- 239000007864 aqueous solution Substances 0.000 description 23
- 230000005494 condensation Effects 0.000 description 23
- 239000008367 deionised water Substances 0.000 description 22
- 229910021641 deionized water Inorganic materials 0.000 description 22
- 238000006116 polymerization reaction Methods 0.000 description 22
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 21
- 239000004480 active ingredient Substances 0.000 description 20
- 239000007787 solid Substances 0.000 description 20
- 239000003973 paint Substances 0.000 description 19
- 239000000306 component Substances 0.000 description 18
- 238000009472 formulation Methods 0.000 description 18
- 229920002554 vinyl polymer Polymers 0.000 description 18
- 235000017557 sodium bicarbonate Nutrition 0.000 description 17
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 17
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 17
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 16
- 229910001873 dinitrogen Inorganic materials 0.000 description 16
- 239000000243 solution Substances 0.000 description 16
- CIHOLLKRGTVIJN-UHFFFAOYSA-N tert‐butyl hydroperoxide Chemical compound CC(C)(C)OO CIHOLLKRGTVIJN-UHFFFAOYSA-N 0.000 description 14
- 239000003054 catalyst Substances 0.000 description 13
- SOGAXMICEFXMKE-UHFFFAOYSA-N Butylmethacrylate Chemical compound CCCCOC(=O)C(C)=C SOGAXMICEFXMKE-UHFFFAOYSA-N 0.000 description 12
- 239000002585 base Substances 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 12
- 238000010992 reflux Methods 0.000 description 12
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 10
- 238000007654 immersion Methods 0.000 description 10
- 239000000344 soap Substances 0.000 description 10
- 210000003298 dental enamel Anatomy 0.000 description 9
- 239000011347 resin Substances 0.000 description 9
- 229920005989 resin Polymers 0.000 description 9
- 239000004593 Epoxy Substances 0.000 description 8
- 229910019142 PO4 Inorganic materials 0.000 description 8
- 235000014113 dietary fatty acids Nutrition 0.000 description 8
- IJKVHSBPTUYDLN-UHFFFAOYSA-N dihydroxy(oxo)silane Chemical compound O[Si](O)=O IJKVHSBPTUYDLN-UHFFFAOYSA-N 0.000 description 8
- 239000003995 emulsifying agent Substances 0.000 description 8
- 239000000194 fatty acid Substances 0.000 description 8
- 229930195729 fatty acid Natural products 0.000 description 8
- 235000021317 phosphate Nutrition 0.000 description 8
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 239000002245 particle Substances 0.000 description 7
- 159000000000 sodium salts Chemical class 0.000 description 7
- BDOYKFSQFYNPKF-UHFFFAOYSA-N 2-[2-[bis(carboxymethyl)amino]ethyl-(carboxymethyl)amino]acetic acid;sodium Chemical compound [Na].[Na].OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O BDOYKFSQFYNPKF-UHFFFAOYSA-N 0.000 description 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 6
- 239000006185 dispersion Substances 0.000 description 6
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 239000010452 phosphate Substances 0.000 description 6
- 125000003367 polycyclic group Chemical group 0.000 description 6
- XWGJFPHUCFXLBL-UHFFFAOYSA-M rongalite Chemical compound [Na+].OCS([O-])=O XWGJFPHUCFXLBL-UHFFFAOYSA-M 0.000 description 6
- 230000002378 acidificating effect Effects 0.000 description 5
- 150000001412 amines Chemical class 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- WNAHIZMDSQCWRP-UHFFFAOYSA-N dodecane-1-thiol Chemical compound CCCCCCCCCCCCS WNAHIZMDSQCWRP-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 5
- 239000003505 polymerization initiator Substances 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 230000009257 reactivity Effects 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- URDOJQUSEUXVRP-UHFFFAOYSA-N 3-triethoxysilylpropyl 2-methylprop-2-enoate Chemical compound CCO[Si](OCC)(OCC)CCCOC(=O)C(C)=C URDOJQUSEUXVRP-UHFFFAOYSA-N 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 4
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 4
- 150000001340 alkali metals Chemical class 0.000 description 4
- 150000007514 bases Chemical class 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 150000001768 cations Chemical class 0.000 description 4
- AYOHIQLKSOJJQH-UHFFFAOYSA-N dibutyltin Chemical compound CCCC[Sn]CCCC AYOHIQLKSOJJQH-UHFFFAOYSA-N 0.000 description 4
- 238000004945 emulsification Methods 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- SURQXAFEQWPFPV-UHFFFAOYSA-L iron(2+) sulfate heptahydrate Chemical compound O.O.O.O.O.O.O.[Fe+2].[O-]S([O-])(=O)=O SURQXAFEQWPFPV-UHFFFAOYSA-L 0.000 description 4
- 239000002736 nonionic surfactant Substances 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 4
- WGYKZJWCGVVSQN-UHFFFAOYSA-N propylamine Chemical compound CCCN WGYKZJWCGVVSQN-UHFFFAOYSA-N 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 4
- AOBIOSPNXBMOAT-UHFFFAOYSA-N 2-[2-(oxiran-2-ylmethoxy)ethoxymethyl]oxirane Chemical compound C1OC1COCCOCC1CO1 AOBIOSPNXBMOAT-UHFFFAOYSA-N 0.000 description 3
- AGXAFZNONAXBOS-UHFFFAOYSA-N 2-[[3-(oxiran-2-ylmethyl)phenyl]methyl]oxirane Chemical compound C=1C=CC(CC2OC2)=CC=1CC1CO1 AGXAFZNONAXBOS-UHFFFAOYSA-N 0.000 description 3
- RYYXDZDBXNUPOG-UHFFFAOYSA-N 4,5,6,7-tetrahydro-1,3-benzothiazole-2,6-diamine;dihydrochloride Chemical compound Cl.Cl.C1C(N)CCC2=C1SC(N)=N2 RYYXDZDBXNUPOG-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- WVDDGKGOMKODPV-UHFFFAOYSA-N Benzyl alcohol Chemical compound OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 description 3
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 3
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 3
- 239000006172 buffering agent Substances 0.000 description 3
- 150000001718 carbodiimides Chemical class 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000004132 cross linking Methods 0.000 description 3
- GYZLOYUZLJXAJU-UHFFFAOYSA-N diglycidyl ether Chemical compound C1OC1COCC1CO1 GYZLOYUZLJXAJU-UHFFFAOYSA-N 0.000 description 3
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical compound C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 230000001804 emulsifying effect Effects 0.000 description 3
- 238000010556 emulsion polymerization method Methods 0.000 description 3
- 239000002320 enamel (paints) Substances 0.000 description 3
- 150000002148 esters Chemical class 0.000 description 3
- 230000003301 hydrolyzing effect Effects 0.000 description 3
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 150000002894 organic compounds Chemical class 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-N phosphoric acid Substances OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 3
- 239000000049 pigment Substances 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 108090000765 processed proteins & peptides Proteins 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- MYRTYDVEIRVNKP-UHFFFAOYSA-N 1,2-Divinylbenzene Chemical compound C=CC1=CC=CC=C1C=C MYRTYDVEIRVNKP-UHFFFAOYSA-N 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 2
- FKTHNVSLHLHISI-UHFFFAOYSA-N 1,2-bis(isocyanatomethyl)benzene Chemical compound O=C=NCC1=CC=CC=C1CN=C=O FKTHNVSLHLHISI-UHFFFAOYSA-N 0.000 description 2
- LDMOEFOXLIZJOW-UHFFFAOYSA-N 1-dodecanesulfonic acid Chemical compound CCCCCCCCCCCCS(O)(=O)=O LDMOEFOXLIZJOW-UHFFFAOYSA-N 0.000 description 2
- OGYMWUMPVDTUCW-UHFFFAOYSA-N 2,2-bis(2-ethylhexyl)-3-sulfobutanedioic acid Chemical compound CCCCC(CC)CC(C(O)=O)(C(C(O)=O)S(O)(=O)=O)CC(CC)CCCC OGYMWUMPVDTUCW-UHFFFAOYSA-N 0.000 description 2
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 2
- GOXQRTZXKQZDDN-UHFFFAOYSA-N 2-Ethylhexyl acrylate Chemical compound CCCCC(CC)COC(=O)C=C GOXQRTZXKQZDDN-UHFFFAOYSA-N 0.000 description 2
- WBIQQQGBSDOWNP-UHFFFAOYSA-N 2-dodecylbenzenesulfonic acid Chemical compound CCCCCCCCCCCCC1=CC=CC=C1S(O)(=O)=O WBIQQQGBSDOWNP-UHFFFAOYSA-N 0.000 description 2
- KDSNLYIMUZNERS-UHFFFAOYSA-N 2-methylpropanamine Chemical compound CC(C)CN KDSNLYIMUZNERS-UHFFFAOYSA-N 0.000 description 2
- RUMACXVDVNRZJZ-UHFFFAOYSA-N 2-methylpropyl 2-methylprop-2-enoate Chemical compound CC(C)COC(=O)C(C)=C RUMACXVDVNRZJZ-UHFFFAOYSA-N 0.000 description 2
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 2
- BYPFICORERPGJY-UHFFFAOYSA-N 3,4-diisocyanatobicyclo[2.2.1]hept-2-ene Chemical compound C1CC2(N=C=O)C(N=C=O)=CC1C2 BYPFICORERPGJY-UHFFFAOYSA-N 0.000 description 2
- FRIBMENBGGCKPD-UHFFFAOYSA-N 3-(2,3-dimethoxyphenyl)prop-2-enal Chemical compound COC1=CC=CC(C=CC=O)=C1OC FRIBMENBGGCKPD-UHFFFAOYSA-N 0.000 description 2
- UDWIZRDPCQAYRF-UHFFFAOYSA-N 3-[diethoxy(methyl)silyl]propyl prop-2-enoate Chemical compound CCO[Si](C)(OCC)CCCOC(=O)C=C UDWIZRDPCQAYRF-UHFFFAOYSA-N 0.000 description 2
- LZMNXXQIQIHFGC-UHFFFAOYSA-N 3-[dimethoxy(methyl)silyl]propyl 2-methylprop-2-enoate Chemical compound CO[Si](C)(OC)CCCOC(=O)C(C)=C LZMNXXQIQIHFGC-UHFFFAOYSA-N 0.000 description 2
- MCDBEBOBROAQSH-UHFFFAOYSA-N 3-[dimethoxy(methyl)silyl]propyl prop-2-enoate Chemical compound CO[Si](C)(OC)CCCOC(=O)C=C MCDBEBOBROAQSH-UHFFFAOYSA-N 0.000 description 2
- 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 2
- FUGYGGDSWSUORM-UHFFFAOYSA-N 4-hydroxystyrene Chemical compound OC1=CC=C(C=C)C=C1 FUGYGGDSWSUORM-UHFFFAOYSA-N 0.000 description 2
- 102100026788 ATP synthase subunit C lysine N-methyltransferase Human genes 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 2
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 2
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 2
- 239000004342 Benzoyl peroxide Substances 0.000 description 2
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 2
- LCFVJGUPQDGYKZ-UHFFFAOYSA-N Bisphenol A diglycidyl ether Chemical compound C=1C=C(OCC2OC2)C=CC=1C(C)(C)C(C=C1)=CC=C1OCC1CO1 LCFVJGUPQDGYKZ-UHFFFAOYSA-N 0.000 description 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- 239000004380 Cholic acid Substances 0.000 description 2
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 description 2
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical group C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- QUSNBJAOOMFDIB-UHFFFAOYSA-N Ethylamine Chemical compound CCN QUSNBJAOOMFDIB-UHFFFAOYSA-N 0.000 description 2
- 239000005977 Ethylene Substances 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerol Natural products OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 239000005057 Hexamethylene diisocyanate Substances 0.000 description 2
- 101000833848 Homo sapiens ATP synthase subunit C lysine N-methyltransferase Proteins 0.000 description 2
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- BAVYZALUXZFZLV-UHFFFAOYSA-N Methylamine Chemical compound NC BAVYZALUXZFZLV-UHFFFAOYSA-N 0.000 description 2
- YNAVUWVOSKDBBP-UHFFFAOYSA-N Morpholine Chemical compound C1COCCN1 YNAVUWVOSKDBBP-UHFFFAOYSA-N 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- 239000002202 Polyethylene glycol Substances 0.000 description 2
- 229920001214 Polysorbate 60 Polymers 0.000 description 2
- NPYPAHLBTDXSSS-UHFFFAOYSA-N Potassium ion Chemical compound [K+] NPYPAHLBTDXSSS-UHFFFAOYSA-N 0.000 description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 239000007983 Tris buffer Substances 0.000 description 2
- RMKZLFMHXZAGTM-UHFFFAOYSA-N [dimethoxy(propyl)silyl]oxymethyl prop-2-enoate Chemical compound CCC[Si](OC)(OC)OCOC(=O)C=C RMKZLFMHXZAGTM-UHFFFAOYSA-N 0.000 description 2
- YRKCREAYFQTBPV-UHFFFAOYSA-N acetylacetone Chemical compound CC(=O)CC(C)=O YRKCREAYFQTBPV-UHFFFAOYSA-N 0.000 description 2
- 150000005215 alkyl ethers Chemical class 0.000 description 2
- 125000005037 alkyl phenyl group Chemical group 0.000 description 2
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 2
- 239000012736 aqueous medium Substances 0.000 description 2
- 239000010425 asbestos Substances 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- 235000019400 benzoyl peroxide Nutrition 0.000 description 2
- WGQKYBSKWIADBV-UHFFFAOYSA-N benzylamine Chemical compound NCC1=CC=CC=C1 WGQKYBSKWIADBV-UHFFFAOYSA-N 0.000 description 2
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 2
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- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
- 230000001588 bifunctional effect Effects 0.000 description 1
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- 239000011449 brick Substances 0.000 description 1
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- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
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- 239000001569 carbon dioxide Substances 0.000 description 1
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- 238000001879 gelation Methods 0.000 description 1
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- VRINOTYEGADLMW-UHFFFAOYSA-N heptyl(trimethoxy)silane Chemical compound CCCCCCC[Si](OC)(OC)OC VRINOTYEGADLMW-UHFFFAOYSA-N 0.000 description 1
- CZWLNMOIEMTDJY-UHFFFAOYSA-N hexyl(trimethoxy)silane Chemical compound CCCCCC[Si](OC)(OC)OC CZWLNMOIEMTDJY-UHFFFAOYSA-N 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
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- 239000003999 initiator Substances 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910000358 iron sulfate Inorganic materials 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 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
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 1
- 150000002513 isocyanates Chemical class 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
- JJWLVOIRVHMVIS-UHFFFAOYSA-N isopropylamine Chemical compound CC(C)N JJWLVOIRVHMVIS-UHFFFAOYSA-N 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 239000004611 light stabiliser Substances 0.000 description 1
- 230000005923 long-lasting effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
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- 239000000463 material Substances 0.000 description 1
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- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
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- 239000011259 mixed solution Substances 0.000 description 1
- JESXATFQYMPTNL-UHFFFAOYSA-N mono-hydroxyphenyl-ethylene Natural products OC1=CC=CC=C1C=C JESXATFQYMPTNL-UHFFFAOYSA-N 0.000 description 1
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- OMNKZBIFPJNNIO-UHFFFAOYSA-N n-(2-methyl-4-oxopentan-2-yl)prop-2-enamide Chemical compound CC(=O)CC(C)(C)NC(=O)C=C OMNKZBIFPJNNIO-UHFFFAOYSA-N 0.000 description 1
- LUZMYRZQOMVJCU-UHFFFAOYSA-N n-[2-(diethylamino)ethyl]-2-(5-methyl-2-propan-2-ylphenoxy)acetamide;4-methylbenzenesulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1.CCN(CC)CCNC(=O)COC1=CC(C)=CC=C1C(C)C LUZMYRZQOMVJCU-UHFFFAOYSA-N 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000002560 nitrile group Chemical group 0.000 description 1
- CAQIWIAAHXOQOS-UHFFFAOYSA-N octadecanoic acid;propan-2-ol;titanium Chemical compound [Ti].CC(C)O.CCCCCCCCCCCCCCCCCC(O)=O.CCCCCCCCCCCCCCCCCC(O)=O.CCCCCCCCCCCCCCCCCC(O)=O CAQIWIAAHXOQOS-UHFFFAOYSA-N 0.000 description 1
- UHGIMQLJWRAPLT-UHFFFAOYSA-N octadecyl dihydrogen phosphate Chemical compound CCCCCCCCCCCCCCCCCCOP(O)(O)=O UHGIMQLJWRAPLT-UHFFFAOYSA-N 0.000 description 1
- WWZKQHOCKIZLMA-UHFFFAOYSA-N octanoic acid Chemical compound CCCCCCCC(O)=O WWZKQHOCKIZLMA-UHFFFAOYSA-N 0.000 description 1
- 125000001117 oleyl 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])=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])[H] 0.000 description 1
- 125000000962 organic group Chemical group 0.000 description 1
- 150000001451 organic peroxides Chemical class 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 150000002902 organometallic compounds Chemical class 0.000 description 1
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- 239000004033 plastic Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
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- 230000000379 polymerizing effect Effects 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 150000003141 primary amines Chemical class 0.000 description 1
- HJWLCRVIBGQPNF-UHFFFAOYSA-N prop-2-enylbenzene Chemical compound C=CCC1=CC=CC=C1 HJWLCRVIBGQPNF-UHFFFAOYSA-N 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- BHRZNVHARXXAHW-UHFFFAOYSA-N sec-butylamine Chemical compound CCC(C)N BHRZNVHARXXAHW-UHFFFAOYSA-N 0.000 description 1
- 150000003335 secondary amines Chemical class 0.000 description 1
- 150000004756 silanes Chemical class 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- DEWNCLAWVNEDHG-UHFFFAOYSA-M sodium;2-(2-methylprop-2-enoyloxy)ethanesulfonate Chemical compound [Na+].CC(=C)C(=O)OCCS([O-])(=O)=O DEWNCLAWVNEDHG-UHFFFAOYSA-M 0.000 description 1
- MNCGMVDMOKPCSQ-UHFFFAOYSA-M sodium;2-phenylethenesulfonate Chemical compound [Na+].[O-]S(=O)(=O)C=CC1=CC=CC=C1 MNCGMVDMOKPCSQ-UHFFFAOYSA-M 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 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
- 239000004575 stone Substances 0.000 description 1
- 150000003460 sulfonic acids Chemical class 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- YBRBMKDOPFTVDT-UHFFFAOYSA-N tert-butylamine Chemical compound CC(C)(C)N YBRBMKDOPFTVDT-UHFFFAOYSA-N 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229940071127 thioglycolate Drugs 0.000 description 1
- CWERGRDVMFNCDR-UHFFFAOYSA-M thioglycolate(1-) Chemical compound [O-]C(=O)CS CWERGRDVMFNCDR-UHFFFAOYSA-M 0.000 description 1
- 150000003606 tin compounds Chemical class 0.000 description 1
- 150000003609 titanium compounds Chemical class 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 125000002889 tridecyl 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])[H] 0.000 description 1
- DENFJSAFJTVPJR-UHFFFAOYSA-N triethoxy(ethyl)silane Chemical compound CCO[Si](CC)(OCC)OCC DENFJSAFJTVPJR-UHFFFAOYSA-N 0.000 description 1
- WUMSTCDLAYQDNO-UHFFFAOYSA-N triethoxy(hexyl)silane Chemical compound CCCCCC[Si](OCC)(OCC)OCC WUMSTCDLAYQDNO-UHFFFAOYSA-N 0.000 description 1
- CPUDPFPXCZDNGI-UHFFFAOYSA-N triethoxy(methyl)silane Chemical compound CCO[Si](C)(OCC)OCC CPUDPFPXCZDNGI-UHFFFAOYSA-N 0.000 description 1
- FZMJEGJVKFTGMU-UHFFFAOYSA-N triethoxy(octadecyl)silane Chemical compound CCCCCCCCCCCCCCCCCC[Si](OCC)(OCC)OCC FZMJEGJVKFTGMU-UHFFFAOYSA-N 0.000 description 1
- FHVAUDREWWXPRW-UHFFFAOYSA-N triethoxy(pentyl)silane Chemical compound CCCCC[Si](OCC)(OCC)OCC FHVAUDREWWXPRW-UHFFFAOYSA-N 0.000 description 1
- JCVQKRGIASEUKR-UHFFFAOYSA-N triethoxy(phenyl)silane Chemical compound CCO[Si](OCC)(OCC)C1=CC=CC=C1 JCVQKRGIASEUKR-UHFFFAOYSA-N 0.000 description 1
- NBXZNTLFQLUFES-UHFFFAOYSA-N triethoxy(propyl)silane Chemical compound CCC[Si](OCC)(OCC)OCC NBXZNTLFQLUFES-UHFFFAOYSA-N 0.000 description 1
- HILHCDFHSDUYNX-UHFFFAOYSA-N trimethoxy(pentyl)silane Chemical compound CCCCC[Si](OC)(OC)OC HILHCDFHSDUYNX-UHFFFAOYSA-N 0.000 description 1
- ZNOCGWVLWPVKAO-UHFFFAOYSA-N trimethoxy(phenyl)silane Chemical compound CO[Si](OC)(OC)C1=CC=CC=C1 ZNOCGWVLWPVKAO-UHFFFAOYSA-N 0.000 description 1
- HQYALQRYBUJWDH-UHFFFAOYSA-N trimethoxy(propyl)silane Chemical compound CCC[Si](OC)(OC)OC HQYALQRYBUJWDH-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
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 1
- 229920001567 vinyl ester resin Polymers 0.000 description 1
- UKRDPEFKFJNXQM-UHFFFAOYSA-N vinylsilane Chemical class [SiH3]C=C UKRDPEFKFJNXQM-UHFFFAOYSA-N 0.000 description 1
- 229920003169 water-soluble polymer Polymers 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Landscapes
- Paints Or Removers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
本発明は、建築内外装、屋根、窯業系建材、自動車、家電用品、プラスチックなどに対する各種塗装の水性塗料として好適に用いられる、親水性表面を形成し得る水性樹脂組成物に関する。 The present invention relates to an aqueous resin composition capable of forming a hydrophilic surface, which is suitably used as an aqueous paint for various coatings on architectural interiors and exteriors, roofs, ceramic building materials, automobiles, household appliances, plastics, and the like.
近年、塗料の分野においても、公害対策あるいは省資源の観点より、有機溶剤を使用するものから、水溶性あるいは水分散樹脂への転換が試みられている。しかし、水性塗料は溶剤系塗料に比べ、塗膜性能が劣る傾向にあった。こういった状況下、水性塗料においても溶剤系塗料と同等の塗膜物性が要求され、特に耐汚染性といった高度な性能付与が要求されている。 In recent years, in the field of paints, from the viewpoint of pollution control or resource saving, attempts have been made to switch from using organic solvents to water-soluble or water-dispersed resins. However, water-based paints tended to be inferior in coating film performance compared to solvent-based paints. Under such circumstances, water-based paints are also required to have the same coating film properties as solvent-based paints, and in particular, are required to have high performance such as stain resistance.
耐汚染性に優れた塗膜を与える水性樹脂組成物として、合成樹脂エマルジョン、加水分解性のアルコキシ基含有シリコン化合物および/またはその部分加水分解縮合物の乳化物からなる水性塗料用樹脂組成物が知られている(例えば特許文献1参照)。この発明では、シリコン化合物および/またはその部分加水分解縮合物の乳化物の添加による塗膜の表面親水性、耐汚染性の付与、また、この乳化物の調製に特定乳化剤を用いることによる乳化物の安定性の向上が示されている。また、特定のテトラアルコキシシランの部分加水分解縮合物の乳化物を用いることで耐汚染性と貯蔵安定性を両立させる方法も知られている(例えば特許文献2参照)。 As an aqueous resin composition that gives a coating film excellent in stain resistance, an aqueous resin composition for an aqueous coating comprising an emulsion of a synthetic resin emulsion, a hydrolyzable alkoxy group-containing silicon compound and / or a partially hydrolyzed condensate thereof. It is known (see, for example, Patent Document 1). In the present invention, the addition of an emulsion of a silicon compound and / or a partially hydrolyzed condensate thereof imparts surface hydrophilicity and stain resistance to the coating film, and the emulsion is obtained by using a specific emulsifier for the preparation of the emulsion. An improvement in stability is shown. In addition, there is also known a method for achieving both contamination resistance and storage stability by using an emulsion of a specific hydrolyzed condensate of tetraalkoxysilane (for example, see Patent Document 2).
しかしながら、シリコン化合物を事前に乳化する工程が必要であり、生産性が低下する。又、塗膜の表面親水性、この表面親水性による耐汚染性、水性樹脂組成物自体またはこれを配合した塗料を貯蔵した際の表面親水性の保持と言った貯蔵安定性の更なる改良が望まれている。 However, a step of emulsifying the silicon compound in advance is necessary, and productivity is lowered. In addition, the surface hydrophilicity of the coating film, the stain resistance due to the surface hydrophilicity, and the storage stability such as the retention of the surface hydrophilicity when the aqueous resin composition itself or a coating containing the aqueous resin composition is stored are further improved. It is desired.
本発明が解決しようとする課題は、アクリル系樹脂エマルジョン、シリコン化合物および/またはその部分加水分解縮合物の混合物からなり、良好な耐汚染性および貯蔵安定性を示す水性樹脂組成物を提供すること、シリコン化合物の乳化工程が不要で、生産性が向上することである。 The problem to be solved by the present invention is to provide an aqueous resin composition comprising a mixture of an acrylic resin emulsion, a silicon compound and / or a partially hydrolyzed condensate thereof, and exhibiting good stain resistance and storage stability. The silicon compound emulsification step is unnecessary and productivity is improved.
本発明者らは、アクリル系樹脂エマルジョン、シリコン化合物および/またはその部分加水分解縮合物からなる組成物において、アクリル系樹脂エマルジョンに用いられるアニオン系界面活性剤、シリコン化合物および/またはその部分加水分解縮合物、及び、アニオン系界面活性剤、及び、カルボジイミド基含有化合物及び/又は、エポキシ基含有化合物が貯蔵安定性に影響すること、さらに、これらに特定の構造を有するものを用いることで優れた表面親水性と貯蔵安定性を示し得ることを見出した。 In the composition comprising an acrylic resin emulsion, a silicon compound and / or a partial hydrolysis condensate thereof, the present inventors have used an anionic surfactant, a silicon compound and / or a partial hydrolysis thereof used in the acrylic resin emulsion. Condensates, anionic surfactants, and carbodiimide group-containing compounds and / or epoxy group-containing compounds have an effect on storage stability. It has been found that surface hydrophilicity and storage stability can be exhibited.
すなわち、
(1).
(A)アクリル系樹脂エマルジョン、(B)下記一般式(1)で示されるシリコン化合物および/またはその部分加水分解縮合物
(R1O)4−aSiR2 a (1)
(式中、R1は同じかまたは異なり、炭素数1〜10のアルキル基、炭素数6〜10のアリール基または炭素数7〜10のアラルキル基、R2は同じかまたは異なり、炭素数1〜10のアルキル基、炭素数6〜10のアリール基、炭素数7〜10のアラルキル基または炭素数1〜10のアルコキシ基、aは0〜2の整数。)、(C)アルカリ金属塩であるアニオン系界面活性剤を含有し、さらに(D)カルボジイミド基含有化合物及び/又はエポキシ基含有化合物からなる反応性化合物、を含有する水性樹脂組成物であることを特徴とする樹脂組成物、
(2).
前記(A)アクリル系樹脂エマルジョンに、(C)アルカリ金属塩であるアニオン系界面活性剤、(D)反応性化合物、(B)一般式(1)で示されるシリコン化合物および/またはその部分加水分解縮合物を添加することにより得られることを特徴とした(1)に記載の水性樹脂組成物、
(3).
前記(A)アクリル系樹脂エマルジョンに、(C)アルカリ金属塩であるアニオン系界面活性剤と(D)反応性化合物の混合物を添加し、ついで、(B)一般式(1)で示されるシリコン化合物および/またはその部分加水分解縮合物を添加することにより得られることを特徴とした(1)に記載の水性樹脂組成物、
(4).
前記(A)アクリル系樹脂エマルジョンに、(C)アルカリ金属塩であるアニオン系界面活性剤を添加し、ついで、(D)反応性化合物と(B)一般式(1)で示されるシリコン化合物および/またはその部分加水分解縮合物の混合物を添加することにより得られることを特徴とした(1)に記載の水性樹脂組成物、
(5).
前記(A)アクリル系樹脂エマルジョンを攪拌し、(C)アルカリ金属塩であるアニオン系界面活性剤と、(D)反応性低分子化合物と、(B)一般式(1)で示されるシリコン化合物および/またはその部分加水分解縮合物との混合物を添加することにより得られることを特徴とした(1)に記載の水性樹脂組成物、
(6).
前記(B)シリコン化合物および/またはその部分加水分解縮合物が、オルガノシリケート(下記一般式(2)で示される化合物および/またはその部分加水分解縮合物)および/またはその変性物
(R3O)4Si (2)
(式中、R3は同じかまたは異なり、炭素数1〜10のアルキル基、炭素数6〜10のアリール基または炭素数7〜10のアラルキル基)である(1)〜(5)の何れか1項に記載の水性樹脂組成物、
(7).
前記(C)アルカリ金属塩であるアニオン系界面活性剤が、アルカリ金属塩であるアルキルスルホコハク酸系界面活性剤である(1)〜(6)の何れか1項に記載の水性樹脂組成物、
(8).
前記(A)アクリル系樹脂エマルジョンが、アルカリ金属塩であり1分子中に不飽和基を含有するアニオン系界面活性剤によって重合されたものである(1)〜(7)の何れか1項に記載の水性樹脂組成物、
(9).
前記(A)アクリル系樹脂エマルジョンが、アルコキシシリル基を含有するアクリル系樹脂エマルジョンである(1)〜(8)の何れか1項に記載の水性樹脂組成物、
に関する。
That is,
(1).
(A) Acrylic resin emulsion, (B) Silicon compound represented by the following general formula (1) and / or its partial hydrolysis condensate (R 1 O) 4-a SiR 2 a (1)
(In the formula, R 1 is the same or different, an alkyl group having 1 to 10 carbon atoms, an aryl group having 6 to 10 carbon atoms or an aralkyl group having 7 to 10 carbon atoms, R 2 is the same or different and has 1 carbon atom. -10 alkyl group, aryl group having 6-10 carbon atoms, aralkyl group having 7-10 carbon atoms, or alkoxy group having 1-10 carbon atoms, a is an integer of 0-2.), (C) an alkali metal salt A resin composition characterized by being an aqueous resin composition containing a certain anionic surfactant and further containing (D) a reactive compound comprising a carbodiimide group-containing compound and / or an epoxy group-containing compound,
(2).
The (A) acrylic resin emulsion is added to (C) an anionic surfactant which is an alkali metal salt, (D) a reactive compound, (B) a silicon compound represented by the general formula (1) and / or its partial hydrolysis. The aqueous resin composition according to (1), which is obtained by adding a decomposition condensate,
(3).
To the (A) acrylic resin emulsion, (C) a mixture of an anionic surfactant which is an alkali metal salt and (D) a reactive compound is added, and then (B) silicon represented by the general formula (1) The aqueous resin composition according to (1), which is obtained by adding a compound and / or a partially hydrolyzed condensate thereof,
(4).
(A) An anionic surfactant which is an alkali metal salt is added to the acrylic resin emulsion (A), and then (D) a reactive compound and (B) a silicon compound represented by the general formula (1) and / Or the aqueous resin composition according to (1), which is obtained by adding a mixture of partially hydrolyzed condensates thereof,
(5).
(A) The acrylic resin emulsion is stirred, (C) an anionic surfactant that is an alkali metal salt, (D) a reactive low-molecular compound, and (B) a silicon compound represented by the general formula (1) And / or an aqueous resin composition according to (1), wherein the aqueous resin composition is obtained by adding a mixture with a partially hydrolyzed condensate thereof,
(6).
The (B) silicon compound and / or a partial hydrolysis condensate thereof is an organosilicate (a compound represented by the following general formula (2) and / or a partial hydrolysis condensate thereof) and / or a modified product thereof (R 3 O 4 Si (2)
(Wherein R 3 is the same or different and is an alkyl group having 1 to 10 carbon atoms, an aryl group having 6 to 10 carbon atoms, or an aralkyl group having 7 to 10 carbon atoms) (1) to (5) The aqueous resin composition according to claim 1,
(7).
The aqueous resin composition according to any one of (1) to (6), wherein the anionic surfactant that is the (C) alkali metal salt is an alkylsulfosuccinic acid surfactant that is an alkali metal salt,
(8).
Any one of (1) to (7), wherein the (A) acrylic resin emulsion is an alkali metal salt and polymerized by an anionic surfactant containing an unsaturated group in one molecule. The aqueous resin composition according to the description,
(9).
The aqueous resin composition according to any one of (1) to (8), wherein the (A) acrylic resin emulsion is an acrylic resin emulsion containing an alkoxysilyl group,
About.
本発明の水性樹脂組成物より得られる塗膜は、表面親水性を有しており耐汚染性に優れている。また、貯蔵安定性にも優れており、貯蔵時のゲル化や、塗膜の表面親水性の低下等が起こらない。シリコン化合物を乳化剤にて乳化を行わずに添加することにより、工程の短縮が可能であり、生産性が向上する。 The coating film obtained from the aqueous resin composition of the present invention has surface hydrophilicity and is excellent in stain resistance. Moreover, it is excellent in storage stability, and does not cause gelation during storage or decrease in surface hydrophilicity of the coating film. By adding the silicon compound without emulsifying with an emulsifier, the process can be shortened and the productivity is improved.
以下に本発明をその実施の形態に基づき詳細に説明する。
(A)アクリル系樹脂エマルジョン
本発明のアクリル系樹脂エマルションは、(a)アクリル系単量体、(b)(a)と共重合可能な単量体とをアルカリ金属塩であるアニオン系界面活性剤を用いて水性媒体中で乳化重合することにより得られる。
Hereinafter, the present invention will be described in detail based on an embodiment thereof.
(A) Acrylic resin emulsion The acrylic resin emulsion of the present invention comprises (a) an acrylic monomer and (b) an anionic surfactant that is an alkali metal salt with a monomer copolymerizable with (a). It can be obtained by emulsion polymerization in an aqueous medium using an agent.
(a)アクリル系単量体の具体例としては、メチル(メタ)アクリレート、エチル(メタ)アクリレート、iso−プロピル(メタ)アクリレート、n−ブチル(メタ)アクリレート、iso−ブチル(メタ)アクリレート、tert−ブチル(メタ)アクリレート、ベンジル(メタ)アクリレート、シクロヘキシル(メタ)アクリレート、2−エチルヘキシル(メタ)アクリレート、イソデシル(メタ)メタクリレート、ラウリル(メタ)アクリレート、トリデシル(メタ)アクリレート、ステアリル(メタ)アクリレート、イソボニル(メタ)アクリレートなどが上げられる。 Specific examples of the (a) acrylic monomer include methyl (meth) acrylate, ethyl (meth) acrylate, iso-propyl (meth) acrylate, n-butyl (meth) acrylate, iso-butyl (meth) acrylate, tert-butyl (meth) acrylate, benzyl (meth) acrylate, cyclohexyl (meth) acrylate, 2-ethylhexyl (meth) acrylate, isodecyl (meth) methacrylate, lauryl (meth) acrylate, tridecyl (meth) acrylate, stearyl (meth) Acrylate, isobonyl (meth) acrylate, etc. are raised.
(b)(a)と共重合可能な単量体は、(a)とは異なり、これらと共重合可能なものであれば、特に限定はされない。その具体例としては、スチレン、α−メチルスチレン、クロロスチレン、4−ヒドロキシスチレン、ビニルトルエンなどの芳香族炭化水素系ビニル単量体;酢酸ビニル、プロピオン酸ビニル、バーサチック酸ビニル、ジアリルフタレートなどのビニルエステルやアリル化合物;(メタ)アクリロニトリルなどのニトリル基含有ビニル系単量体;グリシジル(メタ)アクリレートなどのエポキシ基含有ビニル系単量体;2−ヒドロキシプロピル(メタ)アクリレート、2−ヒドロキシプロピル(メタ)アクリレート、2−ヒドロキシエチルビニルエーテル、ヒドロキシスチレン、アロニクス5700(東亜合成化学(株)製)、placcelFA−1、placcelFA−4、placcelFM−1、placcelFM−4(以上、ダイセル化学(株)製)、HE−10、HE−20、HP−10、HP−20(以上日本触媒化学(株)製)、ブレンマーPEPシリーズ、ブレンマーNKH−5050、ブレンマーGLM(以上日本油脂(株)製)、水酸基含有ビニル系変性ヒドロキシアルキルビニル系モノマーなどの水酸基含有ビニル系単量体;東亜合成化学(株)製のマクロモノマーであるAS−6、AN−6、AA−6、AB−6、AK−5などの化合物、ビニルメチルエーテル、プロピレン、ブタジエン等が挙げられる。 (B) Unlike (a), the monomer copolymerizable with (a) is not particularly limited as long as it is copolymerizable with these. Specific examples thereof include aromatic hydrocarbon vinyl monomers such as styrene, α-methylstyrene, chlorostyrene, 4-hydroxystyrene, and vinyl toluene; vinyl acetate, vinyl propionate, vinyl versatate, diallyl phthalate, and the like. Vinyl esters and allyl compounds; Nitrile group-containing vinyl monomers such as (meth) acrylonitrile; Epoxy group-containing vinyl monomers such as glycidyl (meth) acrylate; 2-hydroxypropyl (meth) acrylate, 2-hydroxypropyl (Meth) acrylate, 2-hydroxyethyl vinyl ether, hydroxystyrene, Aronics 5700 (manufactured by Toa Gosei Chemical Co., Ltd.), packageFA-1, packageFA-4, packageFM-1, packageFM-4 (above, da Cell Chemical Co., Ltd.), HE-10, HE-20, HP-10, HP-20 (manufactured by Nippon Shokubai Chemical Co., Ltd.), Blemmer PEP series, Blemmer NKH-5050, Blemmer GLM (Nippon Oil and Fat (above) Co., Ltd.), hydroxyl-containing vinyl monomers such as hydroxyl-containing vinyl-modified hydroxyalkyl vinyl monomers; AS-6, AN-6, AA-6, AB which are macromonomers manufactured by Toa Synthetic Chemical Co., Ltd. -6, compounds such as AK-5, vinyl methyl ether, propylene, butadiene and the like.
さらに、親水性を有するビニル系単量体も使用可能である。使用可能な親水性基を有するビニル系単量体としては、スチレンスルホン酸ナトリウム、2−スルホエチルメタクリレートナトリウム、2−スルホエチルメタクリレートアンモニウム、ポリオキシアルキレン鎖を有するビニル系単量体が挙げられる。ポリオキシアルキレン鎖を有するビニル系単量体に限定はないが、ポリオキアルキレン鎖を有するアクリル酸エステル又はメタクリル酸エステルが好ましく、具体例としては日本油脂(株)製ブレンマーPE−90、PE−200、PE−350、AE−90、AE−200、AE−350、PP−500、PP−800、PP−1000、AP−400、AP−550、AP−800、700PEP−350B、10PEP−550B、55PET−400、30PET−800、55PET−800、30PPT−800、50PPT−800、70PPT−800、PME−100、PME−200、PME−400、PME−1000、PME−4000、AME−400、50POEP−800B、50AOEP−800B、AEP、AET、APT、PLE、ALE、PSE、ASE、PKE、AKE、PNE、ANE、PNP、ANP、PNEP−600、共栄社化学(株)製ライトエステル130MA、041MA、MTG、ライトアクリレートEC−A、MTG−A、130A、DPM−A、P−200A、NP−4EA、NP−8EA、EHDG−A、日本乳化剤(株)製MA−30、MA−50、MA−100、MA−150、RMA−1120、RMA−564、RMA−568、RMA−506、MPG130−MA、Antox MS−60、MPG−130MA、RMA−150M、RMA−300M、RMA−450M、RA−1020、RA−1120、RA−1820、新中村化学工業(株)製NK−ESTER M−20G、M−40G、M−90G、M−230G、AMP−10G、AMP−20G、AMP−60G、AM−90G、LAなどがあげられる。 Furthermore, hydrophilic vinyl monomers can also be used. Examples of the vinyl monomer having a hydrophilic group that can be used include sodium styrenesulfonate, sodium 2-sulfoethyl methacrylate, 2-sulfoethyl methacrylate ammonium, and vinyl monomers having a polyoxyalkylene chain. Although there is no limitation in the vinyl-type monomer which has a polyoxyalkylene chain, the acrylic acid ester or methacrylic acid ester which has a polyoxyalkylene chain is preferable, and as a specific example, Nippon Oil & Fats Co., Ltd. Blemmer PE-90, PE- 200, PE-350, AE-90, AE-200, AE-350, PP-500, PP-800, PP-1000, AP-400, AP-550, AP-800, 700PEP-350B, 10PEP-550B, 55PET-400, 30PET-800, 55PET-800, 30PPT-800, 50PPT-800, 70PPT-800, PME-100, PME-200, PME-400, PME-1000, PME-4000, AME-400, 50POEP- 800B, 50AOEP-800B, AE , AET, APT, PLE, ALE, PSE, ASE, PKE, AKE, PNE, ANE, PNP, ANP, PNEP-600, Kyoeisha Chemical Co., Ltd. light ester 130MA, 041MA, MTG, light acrylate EC-A, MTG -A, 130A, DPM-A, P-200A, NP-4EA, NP-8EA, EHDG-A, MA-30 manufactured by Nippon Emulsifier Co., Ltd., MA-50, MA-100, MA-150, RMA-1120 , RMA-564, RMA-568, RMA-506, MPG130-MA, Antox MS-60, MPG-130MA, RMA-150M, RMA-300M, RMA-450M, RA-1020, RA-1120, RA-1820, NK-ESTER M-20G, M-40G, M made by Shin-Nakamura Chemical Co., Ltd. 90G, M-230G, AMP-10G, AMP-20G, AMP-60G, AM-90G, LA, and the like.
また、ポリエチレングリコールジ(メタ)アクリレート、エチレングリコールジ(メタ)アクリレート、トリアリルシアヌレート、アリル(メタ)アクリレート、ジビニルベンゼンなどの重合性の不飽和結合を2つ以上有する単量体を使用することも可能である。この場合、生成した粒子内部に架橋を有する構造となり、形成した塗膜の耐水性が向上する。 In addition, a monomer having two or more polymerizable unsaturated bonds such as polyethylene glycol di (meth) acrylate, ethylene glycol di (meth) acrylate, triallyl cyanurate, allyl (meth) acrylate, divinylbenzene or the like is used. It is also possible. In this case, the generated particles have a structure having cross-linking, and the water resistance of the formed coating film is improved.
また、トリフルオロ(メタ)アクリレート、ペンタフルオロ(メタ)アクリレート、パーフルオロシクロヘキシル(メタ)アクリレート、2,2,3,3−テトラフルオロプロピルメタクリレート、β−(パーフルオロオクチル)エチル(メタ)アクリレートなどのふっ素含有ビニル系単量体を使用することにより高度な撥水・撥油を付与することも可能である。 Moreover, trifluoro (meth) acrylate, pentafluoro (meth) acrylate, perfluorocyclohexyl (meth) acrylate, 2,2,3,3-tetrafluoropropyl methacrylate, β- (perfluorooctyl) ethyl (meth) acrylate, etc. It is also possible to impart high water and oil repellency by using a fluorine-containing vinyl monomer.
また、ダイアセトンアクリルアミド、メチルビニルケトン等のカルボニル基含有ビニル系単量体を用い、ヒドラジンおよび/またはヒドラジド基を含有する化合物を配合することにより、架橋性を付与することも可能であり、形成した塗膜の耐水性が向上する。
さらに(c)成分としてアルコキシシリル基含有単量体を用いれば、塗膜の耐水性、耐候性などの耐久性向上、(B)のシリコン化合物および/またはその部分加水分解縮合物による耐汚染性の効果を向上させることから好ましい。
It is also possible to impart crosslinkability by using a carbonyl group-containing vinyl monomer such as diacetone acrylamide or methyl vinyl ketone and blending a compound containing hydrazine and / or hydrazide group. The water resistance of the coated film is improved.
Furthermore, if an alkoxysilyl group-containing monomer is used as the component (c), the durability of the coating film is improved, such as water resistance and weather resistance, and the contamination resistance due to the silicon compound (B) and / or its partially hydrolyzed condensate. It is preferable because it improves the effect.
(c)アルコキシシリル基含有単量体は、
R4R5 (3−b)Si(OR6)b (3)
(式中、R4は重合性二重結合を有する1価有機基、R5は炭素数1〜4のアルキル基、R6は炭素数1〜4のアルキル基、bは1〜3)で示される有機ケイ素化合物で、アルコキシ基を有し、反応性二重結合を有する化合物である。その具体例としては、ビニルトリメトキシシラン、ビニルトリエトキシシラン、ビニルトリプロポキシシラン、ビニルトリイソプロポキシシラン、ビニルメチルジメトキシシラン、ビニルメチルジエトキシシランなどのビニルシラン類;γ−(メタ)アクリロキシプロピルトリメトキシシラン、γ−(メタ)アクリロキシプロピルトリエトキシシラン、γ−(メタ)アクリロキシプロピルトリプロポキシシラン、γ−(メタ)アクリロキシプロピルトリイソプロポキシシラン、γ−(メタ)アクリロキシプロピルトリブトキシシラン、γ−(メタ)アクリロキシプロピルメチルジメトキシシラン、γ−(メタ)アクリロキシプロピルメチルジエトキシシラン、γ−(メタ)アクリロキシプロピルメチルジプロポキシシラン、γ−(メタ)アクリロキシプロピルメチルジイソプロポキシシラン、γ−(メタ)アクリロキシプロピルメチルジブトキシシランなどのアクリルシラン類などがあげられ、これらを1種又は2種以上併用して用いることができる。
(C) The alkoxysilyl group-containing monomer is
R 4 R 5 (3-b) Si (OR 6 ) b (3)
(Wherein R 4 is a monovalent organic group having a polymerizable double bond, R 5 is an alkyl group having 1 to 4 carbon atoms, R 6 is an alkyl group having 1 to 4 carbon atoms, and b is 1 to 3). The organosilicon compound shown is a compound having an alkoxy group and a reactive double bond. Specific examples thereof include vinylsilanes such as vinyltrimethoxysilane, vinyltriethoxysilane, vinyltripropoxysilane, vinyltriisopropoxysilane, vinylmethyldimethoxysilane, vinylmethyldiethoxysilane; γ- (meth) acryloxypropyl Trimethoxysilane, γ- (meth) acryloxypropyltriethoxysilane, γ- (meth) acryloxypropyltripropoxysilane, γ- (meth) acryloxypropyltriisopropoxysilane, γ- (meth) acryloxypropyltri Butoxysilane, γ- (meth) acryloxypropylmethyldimethoxysilane, γ- (meth) acryloxypropylmethyldiethoxysilane, γ- (meth) acryloxypropylmethyldipropoxysilane, γ- (meth) acryloxy Propyl methyl diisopropoxy silane, acrylic silane such as .gamma. (meth) acryloxy propyl methyl dibutoxy silane and the like, can be used in combination of these one or more.
(c)成分は、単量体の総量100重量部に対して0.1〜20重量部、好ましくは0.5〜10重量部用いることによって、組成物の貯蔵時の架橋、過度の架橋による脆化を抑制し、耐久性を向上させることができる。 The component (c) is used in an amount of 0.1 to 20 parts by weight, preferably 0.5 to 10 parts by weight, based on 100 parts by weight of the total amount of monomers, thereby causing crosslinking during storage of the composition and excessive crosslinking It is possible to suppress embrittlement and improve durability.
(c)成分のR6の炭素数は、アルコキシシリル基の加水分解・縮合の反応性と反比例し、エマルジョン中での安定性を考慮すれば、2〜4が好ましい。また、コア/シェル型エマルジョンとした(a)において、コア部にR6の炭素数の低い(たとえばメトキシ)(c)成分、シェル部にR6の炭素数の高い(たとえばエトキシ)(c)成分を用いれば、コア部に緩やかな架橋構造が導入され、柔軟性を損なうことなく、シェル部の安定化された反応性とともに耐水性、塗膜強度を向上させることができる。 The carbon number of R 6 of the component (c) is inversely proportional to the reactivity of hydrolysis / condensation of the alkoxysilyl group, and is preferably 2 to 4 in consideration of stability in the emulsion. Further, in (a), which is a core / shell type emulsion, a component having a low carbon number of R 6 (for example, methoxy) (c) in the core portion and a high carbon number of R 6 in the shell portion (for example, ethoxy) (c) If the component is used, a mild cross-linked structure is introduced into the core portion, and the water resistance and coating strength can be improved together with the stabilized reactivity of the shell portion without impairing flexibility.
(c)成分を用いる場合、(a)成分に炭素数4以上のアルキル基および/又はシクロアルキル基を有するメタクリル酸エステルを単量体の総量100重量部中に60重量部以上使用するとエマルジョン中のアルコキシシリル基の安定性が大きく向上する。
(b)成分に、水酸基含有ビニル系単量体および/またはポリオキシアルキレン鎖を有するビニル系単量体を単量体の総量100重量部中に0.5〜20重量部を用いると、(c)成分、(B)のシリコン化合物および/またはその部分加水分解縮合物のアルコキシシリル基の安定性を向上させ、さらにエマルジョンの機械的安定性、化学的安定性を向上させることができる。なかでも、ポリオキシアルキレン鎖を有するビニル系単量体が特に有効である。
When component (c) is used, if component (a) is a methacrylic acid ester having an alkyl group having 4 or more carbon atoms and / or a cycloalkyl group, 60 parts by weight or more in 100 parts by weight of the total monomer, This greatly improves the stability of the alkoxysilyl group.
When 0.5 to 20 parts by weight of a hydroxyl group-containing vinyl monomer and / or a vinyl monomer having a polyoxyalkylene chain is used as the component (b) in 100 parts by weight of the total monomer, c) The stability of the alkoxysilyl group of the component, the silicon compound of (B) and / or its partially hydrolyzed condensate can be improved, and the mechanical stability and chemical stability of the emulsion can be further improved. Of these, vinyl monomers having a polyoxyalkylene chain are particularly effective.
次にアルカリ金属塩であるアニオン系界面活性剤を用いて乳化重合してなるアクリル系樹脂エマルジョンの製造方法について説明する。 Next, a method for producing an acrylic resin emulsion obtained by emulsion polymerization using an anionic surfactant that is an alkali metal salt will be described.
(a)、(b)成分からなる単量体混合物をアルカリ金属塩であるアニオン系界面活性剤を用いて公知の乳化重合法、たとえばバッチ重合法、モノマー滴下重合法、乳化モノマー滴下重合法などにより重合して得られる。 A known emulsion polymerization method using a monomer mixture comprising the components (a) and (b) with an anionic surfactant which is an alkali metal salt, such as a batch polymerization method, a monomer dropping polymerization method, an emulsion monomer dropping polymerization method, etc. Is obtained by polymerization.
また、コア/シェル型エマルションの製造は、コア部をなす単量体混合物を公知の乳化重合法で重合し、得られてコア成分の水性分散液の存在下に、シェル部をなす単量体混合物を公知の乳化重合法で重合し、シェル成分を導入する。なお、コア部、シェル部各成分内の重合は、何回かに分割して行ってもよい。 Also, the production of the core / shell type emulsion is carried out by polymerizing the monomer mixture forming the core part by a known emulsion polymerization method, and obtaining the monomer forming the shell part in the presence of the aqueous dispersion of the core component. The mixture is polymerized by a known emulsion polymerization method, and a shell component is introduced. In addition, you may divide | segment several times and superpose | polymerize in each component of a core part and a shell part.
乳化重合に際しては、通常用いられるアニオン性またはノニオン性の界面活性剤を用いることができるが、本発明においては、アルカリ金属塩であるアニオン系界面活性剤を必須の成分として用いる。 In emulsion polymerization, a commonly used anionic or nonionic surfactant can be used. In the present invention, an anionic surfactant that is an alkali metal salt is used as an essential component.
アニオン系界面活性剤としては、たとえばポリオキシエチレンノニルフェニルエーテルサルフェート、ポリオキシエチレン多環フェニルエーテルサルフェートなどのポリオキシエチレンアリールエーテルサルフェート、ポリオキシエチレントリデシルエーテルサルフェートなどのポリオキシエチレンアルキルエーテルサルフェートなどのポリオキシエチレン鎖を有する硫酸エステル;ラウリルスルホン酸、ドデシルベンゼンスルホン酸、アルキルナフタレンスルホン酸などのスルホン酸;ラウリルサルフェートなどの硫酸エステル;ジ(2−エチルヘキシル)スルホコハク酸などのアルキルスルホコハク酸などおよびそれらの塩があげられる。 Examples of the anionic surfactant include polyoxyethylene aryl ether sulfate such as polyoxyethylene nonyl phenyl ether sulfate, polyoxyethylene polycyclic phenyl ether sulfate, and polyoxyethylene alkyl ether sulfate such as polyoxyethylene tridecyl ether sulfate. Sulfates having a polyoxyethylene chain; sulfonic acids such as lauryl sulfonic acid, dodecylbenzene sulfonic acid, alkylnaphthalene sulfonic acid; sulfate esters such as lauryl sulfate; alkyl sulfosuccinic acids such as di (2-ethylhexyl) sulfosuccinic acid, and the like These salts are mentioned.
アニオン系界面活性剤の中和カチオン種は、種々選択できるが、本発明においてはアルカリ金属、好ましくはナトリウムまたはカリウムイオンを用いた界面活性剤が用いられる。この中和カチオン種の選択により、(B)シリコン化合物の安定性を向上させることができる。 Various neutralizing cationic species of the anionic surfactant can be selected. In the present invention, a surfactant using an alkali metal, preferably sodium or potassium ion is used. By selecting the neutralized cation species, the stability of the (B) silicon compound can be improved.
また、ノニオン系界面活性剤としては、たとえばポリオキシエチレンアルキルエ−テル、ポリオキシエチレンアルキルフェニルエーテル、ポリオキシエチレン−ポリオキシプロピレンブロック共重合体、ポリオキシエチレンソルビタン脂肪酸エステル、ポリオキシエチレンソルビトール脂肪酸エステルなどのポリオキシエチレン鎖を有するもの;ソルビタン脂肪酸エステル、グリセリン脂肪酸エステルなどの水酸基を有するもの;信越化学工業(株)製KF−351、KF−352、KF−353、KF−354、KF−355、KF−615、KF−618、KF−945、KF−907、X−22−6008、X−22−811、X−22−812、東レ・ダウコーニング社製SH3748、SH3749、SH3771、SH8400、SF8410、SF8700などの片末端および/または両末端および/または側鎖をポリアルキレンオキシドで変性したポリオルガノシロキサンであるシリコーン系界面活性剤などがあげられる。 Nonionic surfactants include, for example, polyoxyethylene alkyl ether, polyoxyethylene alkyl phenyl ether, polyoxyethylene-polyoxypropylene block copolymer, polyoxyethylene sorbitan fatty acid ester, polyoxyethylene sorbitol fatty acid. Those having a polyoxyethylene chain such as ester; those having a hydroxyl group such as sorbitan fatty acid ester and glycerin fatty acid ester; KF-351, KF-352, KF-353, KF-354, KF- manufactured by Shin-Etsu Chemical Co., Ltd. 355, KF-615, KF-618, KF-945, KF-907, X-22-6008, X-22-811, X-22-812, SH3748, SH3749, SH3771, SH8400 manufactured by Toray Dow Corning SF8410, such as one terminal and / or both ends and / or side chains of the silicone-based surfactant is a modified polyorganosiloxane polyalkylene oxides such SF8700 and the like.
本発明においては、界面活性剤として1分子中に不飽和基を有する、いわゆる反応性乳化剤を用いることが組成物およびこれを用いた水性塗料での泡立ち抑制、得られる塗膜の耐水性、耐候性の点で好ましい。また、特に分子内にポリオキシアルキレン基を有する反応性乳化剤を用いた場合には、機械的安定性を向上させることができる。 In the present invention, the use of a so-called reactive emulsifier having an unsaturated group in one molecule as a surfactant suppresses foaming in a composition and an aqueous paint using the composition, and the water resistance and weather resistance of the resulting coating film. From the viewpoint of sex. In particular, when a reactive emulsifier having a polyoxyalkylene group in the molecule is used, the mechanical stability can be improved.
かかる反応性乳化剤の具体例としては、たとえば、(株)ADEKA製アデカリアソープSR−05、SR−10、SR−20、SR−1025、SR−2025、SR−3025,SR−10S、NE−10、NE−20、NE−30、NE−40、SE−10、SE−20、SE−10S、ER−10、ER−20、ER−30、ER−40)、日本乳化剤(株)製Antox−MS−60、RMA−1120、RMA−564、RMA−568、RMA−506、第一工業製薬(株)製アクアロンKH−05、KH−10、RN−20、RN−30、RN−50、RN−2025、HS−10、HS−20、HS−1025、BC05、BC10、BC0515、BC1025、三洋化成工業(株)製エレミノールJS−2、JS−20、RS−30、花王(株)製ラテムルS−180、S−180A、PD−104、PD−420、PD−430などがあげられる。 Specific examples of such a reactive emulsifier include, for example, Adeka Soap SR-05, SR-10, SR-20, SR-1025, SR-2025, SR-3025, SR-3025, SR-10S, NE-A manufactured by ADEKA Corporation. 10, NE-20, NE-30, NE-40, SE-10, SE-20, SE-10S, ER-10, ER-20, ER-30, ER-40), Antox manufactured by Nippon Emulsifier Co., Ltd. -MS-60, RMA-1120, RMA-564, RMA-568, RMA-506, Aqualon KH-05, KH-10, RN-20, RN-30, RN-50, manufactured by Daiichi Kogyo Seiyaku Co., Ltd. RN-2025, HS-10, HS-20, HS-1025, BC05, BC10, BC0515, BC1025, Elyonol JS-2, JS-20 manufactured by Sanyo Chemical Industries, Ltd. RS-30, manufactured by Kao Corp. LATEMUL S-180, S-180A, such as PD-104, PD-420, PD-430 and the like.
1分子中に不飽和基を含有するアニオン系界面活性剤においても、中和カチオン種をアルカリ金属イオンとしたものが用いられ、(株)ADEKA製アデカリアソープSE−10S、SR−10S、三洋化成工業(株)製エレミノールJS−2、RS−30、花王(株)製ラテムルS−180が好ましい。 Also in the anionic surfactant containing an unsaturated group in one molecule, those having neutralized cation species as alkali metal ions are used, and ADEKA Adeka Soap SE-10S, SR-10S, Sanyo Co., Ltd. Kasei Kogyo Co., Ltd. product Eleminol JS-2, RS-30, Kao Co., Ltd. latemul S-180 are preferable.
前記界面活性剤は、単独または2種以上を混合して用いることができ、アニオン系界面活性剤における中和カチオン種も本発明の効果を損なわない範囲で、アルカリ金属以外のたとえばアンモニア、有機アミン類による中和物も用いることができる。界面活性剤の使用量は、単量体全量100重量部に対して10重量部以下、好ましくは0.5〜8重量部である。 The surfactant can be used alone or in combination of two or more, and the neutralized cation species in the anionic surfactant is not limited to the effect of the present invention, for example ammonia, organic amines other than alkali metals. Neutralized products can also be used. The amount of the surfactant used is 10 parts by weight or less, preferably 0.5 to 8 parts by weight, based on 100 parts by weight of the total amount of monomers.
重合開始剤としては、特に限定はないが、重合をより安定に行なうために、重合開始剤としてレドックス系を用いることが望ましい。また、重合中の混合液の安定性を保持し、重合を安定に行なうためには、温度は70℃以下、好ましくは40〜65℃であり、塩基および/または緩衝剤を用いてpHは5〜9に調整することが好ましい。 Although there is no limitation in particular as a polymerization initiator, In order to perform superposition | polymerization more stably, it is desirable to use a redox system as a polymerization initiator. Further, in order to maintain the stability of the mixed solution during the polymerization and perform the polymerization stably, the temperature is 70 ° C. or lower, preferably 40 to 65 ° C., and the pH is 5 using a base and / or a buffer. It is preferable to adjust to ~ 9.
前記レドックス系に用いる開始剤として、たとえば、過硫酸カリウム、過硫酸アンモニウム、過酸化水素、t−ブチルハイドロパーオキサイド、ベンゾイルパーオキサイド、クメンハイドロパーオキサイドなどがあげられ、これらに組み合わせる還元剤としては、酸性亜硫酸ナトリウム、ロンガリット、Bruggolite FF−6(BruggamannChemicalUS製)、二酸化チオ尿素、L−アスコルビン酸などがあげられる。特に、t−ブチルハイドロパーオキサイド、ベンゾイルパーオキサイド、クメンハイドロパーオキサイド等の有機過酸化物とロンガリット、Bruggolite FF−6または二酸化チオ尿素との組み合わせが好ましい。 Examples of the initiator used in the redox system include potassium persulfate, ammonium persulfate, hydrogen peroxide, t-butyl hydroperoxide, benzoyl peroxide, cumene hydroperoxide, and the like. Examples thereof include acidic sodium sulfite, Rongalite, Bruggolite FF-6 (manufactured by Bruggamann Chemical US), thiourea dioxide, L-ascorbic acid and the like. In particular, a combination of an organic peroxide such as t-butyl hydroperoxide, benzoyl peroxide, cumene hydroperoxide and the like and Rongalite, Bruggolite FF-6 or thiourea dioxide is preferable.
なお、還元剤は、環境への配慮からホルムアルデヒド発生のないBruggolite FF−6、二酸化チオ尿素が特に好ましい。 Note that the reducing agent is particularly preferably Bruggolite FF-6 or thiourea dioxide which does not generate formaldehyde in consideration of the environment.
前記重合開始剤の使用量は、単量体全量100重量部に対して0.01〜10部、好ましくは0.05〜5重量部である。かかる重合開始剤の使用量が0.01重量部未満である場合には、重合が進行しにくくなることがあり、10重量部を超える場合には、生成する重合体の分子量が低下する傾向がある。 The amount of the polymerization initiator used is 0.01 to 10 parts, preferably 0.05 to 5 parts by weight based on 100 parts by weight of the total amount of monomers. When the amount of the polymerization initiator used is less than 0.01 parts by weight, the polymerization may be difficult to proceed. When the amount exceeds 10 parts by weight, the molecular weight of the produced polymer tends to decrease. is there.
また、重合開始剤の触媒活性を安定的に付与するために、硫酸鉄などの2価の鉄イオンを含む化合物とエチレンジアミン四酢酸二ナトリウムなどのキレート化剤を用いてもよい。かかるキレート化剤の使用量は、単量体全量100重量部に対して0.0001〜1重量部、好ましくは0.001〜0.5重量部である。 In order to stably impart the catalytic activity of the polymerization initiator, a compound containing a divalent iron ion such as iron sulfate and a chelating agent such as disodium ethylenediaminetetraacetate may be used. The amount of the chelating agent used is 0.0001 to 1 part by weight, preferably 0.001 to 0.5 part by weight, based on 100 parts by weight of the total amount of monomers.
重合体の分子量を調節するために連鎖移動剤の添加も可能である。連鎖移動剤としては公知のもの、たとえば、n−ドデシルメルカプタン、tert−ドデシルメルカプタン、n−ブチルメルカプタン、γ−メルカプト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エトキシシラン、γ−メルカプトプロピルメチルジメトキシシラン、γ−メルカプトプロピルメチルジエトキシシラン等のメルカプタン系化合物、クロロホルム、四塩化炭素等の有機ハロゲン化物、スルフィドベンゼン、イソプロピルベンゼン、塩化第二鉄等が挙げられる。 Chain transfer agents can be added to control the molecular weight of the polymer. Known chain transfer agents such as n-dodecyl mercaptan, tert-dodecyl mercaptan, n-butyl mercaptan, γ-mercaptopropyltrimethoxysilane, γ-mercaptopropyltriethoxysilane, γ-mercaptopropylmethyldimethoxysilane, Examples include mercaptan compounds such as γ-mercaptopropylmethyldiethoxysilane, organic halides such as chloroform and carbon tetrachloride, sulfide benzene, isopropylbenzene, and ferric chloride.
エマルジョンの安定性を保持するため、重合完了後に塩基および/または緩衝剤によりpHを6〜10に保つのが好ましい。この調整、維持は、塩基および/または緩衝剤は、一般に使用されるものであれば、特に限定されないが、塩基としては水酸化ナトリウム、水酸化カリウムなどのアルカリ金属水酸化物;アンモニア、有機アミン類など、緩衝剤としては、たとえば炭酸水素ナトリウム、リン酸水素2ナトリウムなどの炭酸塩、リン酸塩またはカルボン酸塩があげられる。これらのpH調整剤、緩衝剤において、アルカリ金属を含むものが好ましく、炭酸水素ナトリウムの使用がより好ましい。 In order to maintain the stability of the emulsion, it is preferable to maintain the pH at 6 to 10 with a base and / or a buffer after completion of the polymerization. The adjustment and maintenance are not particularly limited as long as the base and / or buffering agent are generally used. Examples of the base include alkali metal hydroxides such as sodium hydroxide and potassium hydroxide; ammonia and organic amines. Examples of buffering agents include carbonates such as sodium hydrogen carbonate and disodium hydrogen phosphate, phosphates, and carboxylates. Among these pH adjusters and buffering agents, those containing an alkali metal are preferred, and the use of sodium bicarbonate is more preferred.
アクリル系樹脂エマルジョン中の樹脂固形分濃度は、20〜70重量%が好ましく、さらに好ましくは30〜60重量%となるように調整する。かかる樹脂固形分濃度が70重量%を超える場合には、系の粘度が著しく上昇するため、重合反応に伴なう発熱を除去することが困難になったり、重合器からの取り出しに長時間を要するようになる傾向がある。また、樹脂固形分濃度が20重量%未満である場合には、重合操作の面では何ら問題は生じないものの、1回の重合操作によって生じる樹脂量が少なく、経済面で不利となるとともに、得られる塗膜の膜厚が薄くなるなど、塗装作業性、塗膜性能低下の点で不利となる。 The resin solid content concentration in the acrylic resin emulsion is preferably 20 to 70% by weight, and more preferably 30 to 60% by weight. When the resin solid content concentration exceeds 70% by weight, the viscosity of the system is remarkably increased, so that it becomes difficult to remove heat generated by the polymerization reaction, or it takes a long time to take out from the polymerization vessel. There is a tendency to become necessary. Further, when the resin solid content concentration is less than 20% by weight, there is no problem in the aspect of the polymerization operation, but the amount of resin generated by one polymerization operation is small, which is disadvantageous in terms of economy. This is disadvantageous in terms of coating workability and coating film performance degradation, such as a reduced coating film thickness.
本発明のアクリル系樹脂エマルジョンは、平均粒子径が0.02〜1.0μm程度が好ましい。平均粒子径は、重合初期に仕込む界面活性剤の量で調整することが可能である。 The average particle diameter of the acrylic resin emulsion of the present invention is preferably about 0.02 to 1.0 μm. The average particle diameter can be adjusted by the amount of surfactant charged at the initial stage of polymerization.
(B)シリコン化合物
本発明における(B)成分であるシリコン化合物は、一般式(1)で示されるシリコン化合物および/またはその部分加水分解縮合物
(R1O)4−aSiR2 a (1)
(式中、R1は同じかまたは異なり、炭素数1〜10のアルキル基、炭素数6〜10のアリール基または炭素数7〜10のアラルキル基、R2は同じかまたは異なり、炭素数1〜10のアルキル基、炭素数6〜10のアリール基、炭素数7〜10のアラルキル基または炭素数1〜10のアルコキシ基、aは0〜2の整数。)である。
(B) Silicon Compound The silicon compound as the component (B) in the present invention is a silicon compound represented by the general formula (1) and / or a partial hydrolysis condensate thereof (R 1 O) 4-a SiR 2 a (1 )
(In the formula, R 1 is the same or different, an alkyl group having 1 to 10 carbon atoms, an aryl group having 6 to 10 carbon atoms or an aralkyl group having 7 to 10 carbon atoms, R 2 is the same or different and has 1 carbon atom. A C-10 alkyl group, a C6-C10 aryl group, a C7-C10 aralkyl group or a C1-C10 alkoxy group, a is an integer of 0-2.
シリコン化合物および/またはその部分加水分解縮合物としては、たとえば、テトラメチルシリケート、テトラエチルシリケート、テトラ−n−プロピルシリケート、テトラ−i−プロピルシリケート、テトラ−n−ブチルシリケート、テトラ−i−ブチルシリケート、テトラ−t−ブチルシリケートなどのテトラアルキルシリケート類;メチルトリメトキシシラン、メチルトリエトキシシラン、エチルトリメトキシシラン、エチルトリエトキシシラン、プロピルトリメトキシシラン、プロピルトリエトキシシラン、ブチルトリメトキシシラン、ブチルトリエトキシシラン、ペンチルトリメトキシシラン、ペンチルトリエトキシシラン、ヘキシルトリメトキシシラン、ヘキシルトリエトキシシラン、ヘプチルトリメトキシシラン、ヘプチルトリエトキシシラン、フェニルトリメトキシシラン、フェニルトリエトキシシラン、オクタデシルトリエトキシシラン、3−グリシドキシプロピルトリメトキシシラン、3−(メタ)アクリロキシプロピルトリメトキシシラン、3−(メタ)アクリロキシプロピルトリエトキシシラン、ビニルトリメトキシシラン、ビニルトリエトキシシランなどのトリアルコキシシラン類;ジメチルジメトキシシラン、ジメチルジエトキシシラン、メチルフェニルジメトキシシラン、ジフェニルジメトキシシラン、ジフェニルジエトキシシラン、3−グリシドキシプロピルメチルジメトキシシラン、3−(メタ)アクリロキシプロピルメチルジメトキシシラン、3−(メタ)アクリロキシプロピルメチルジエトキシシランなどのジアルコキシシラン類などのシランおよび/またはこれらのシランから選択される1種または2種以上の部分加水分解縮合物があげられる。また、これらは1種単独でもよく、2種以上を併用しても良い。 Examples of silicon compounds and / or partial hydrolysis condensates thereof include tetramethyl silicate, tetraethyl silicate, tetra-n-propyl silicate, tetra-i-propyl silicate, tetra-n-butyl silicate, and tetra-i-butyl silicate. Tetraalkyl silicates such as tetra-t-butyl silicate; methyltrimethoxysilane, methyltriethoxysilane, ethyltrimethoxysilane, ethyltriethoxysilane, propyltrimethoxysilane, propyltriethoxysilane, butyltrimethoxysilane, butyl Triethoxysilane, pentyltrimethoxysilane, pentyltriethoxysilane, hexyltrimethoxysilane, hexyltriethoxysilane, heptyltrimethoxysilane, heptyl Ethoxysilane, phenyltrimethoxysilane, phenyltriethoxysilane, octadecyltriethoxysilane, 3-glycidoxypropyltrimethoxysilane, 3- (meth) acryloxypropyltrimethoxysilane, 3- (meth) acryloxypropyltriethoxy Trialkoxysilanes such as silane, vinyltrimethoxysilane, vinyltriethoxysilane; dimethyldimethoxysilane, dimethyldiethoxysilane, methylphenyldimethoxysilane, diphenyldimethoxysilane, diphenyldiethoxysilane, 3-glycidoxypropylmethyldimethoxysilane Sialkoxysilanes such as 3- (meth) acryloxypropylmethyldimethoxysilane and 3- (meth) acryloxypropylmethyldiethoxysilane Emissions and / or one or more partially hydrolyzed condensate chosen from silanes and the like. These may be used alone or in combination of two or more.
上記のシリコン化合物および/またはその部分加水分解縮合物の中で、下記一般式(2)で示される化合物および/またはその部分加水分解縮合物であるオルガノシリケートおよび/またはその変性物
(R3O)4Si (2)
(式中、R3は同じかまたは異なり、炭素数1〜10のアルキル基、炭素数6〜10のアリール基または炭素数7〜10のアラルキル基)が塗膜に親水性を付与し、耐汚染性を発現せしめる効果に優れることから好ましい。
Among the above silicon compounds and / or partial hydrolysis condensates thereof, compounds represented by the following general formula (2) and / or organosilicates which are partial hydrolysis condensates thereof and / or modified products thereof (R 3 O 4 Si (2)
(Wherein R 3 is the same or different and an alkyl group having 1 to 10 carbon atoms, an aryl group having 6 to 10 carbon atoms or an aralkyl group having 7 to 10 carbon atoms) imparts hydrophilicity to the coating film, It is preferable because it is excellent in the effect of expressing the contamination.
オルガノシリケートとしては、たとえば上記のテトラメチルシリケート、テトラエチルシリケート、テトラ−n−プロピルシリケート、テトラ−i−プロピルシリケート、テトラ−n−ブチルシリケート、テトラ−i−ブチルシリケート、テトラ−t−ブチルシリケートなどテトラアルキルシリケート類、これらから選択される1種または2種以上の部分加水分解縮合物があげられる。 Examples of the organosilicate include tetramethyl silicate, tetraethyl silicate, tetra-n-propyl silicate, tetra-i-propyl silicate, tetra-n-butyl silicate, tetra-i-butyl silicate, tetra-t-butyl silicate, etc. Examples thereof include tetraalkyl silicates and one or more partially hydrolyzed condensates selected from these.
オルガノシリケートのR3は、炭素数が多い、また分岐のあるもので加水分解・縮合の反応性が低下し、組成物の貯蔵安定性および耐汚染性とを考慮すれば、炭素数2〜4のアルキル基が好ましい。また、R3として、短鎖アルキル(たとえばエチル)と長鎖または分岐アルキル(たとえばi−プロピル)の2種以上の選択により反応性に幅を持たせ、貯蔵安定性および耐汚染性の双方を向上させることもできる。 Organosilicate R 3 has a large number of carbon atoms and is branched and has low hydrolysis / condensation reactivity. If the storage stability and stain resistance of the composition are taken into consideration, the number of carbon atoms is 2 to 4 Are preferred. Further, as R 3 , the reactivity is widened by selecting two or more kinds of short-chain alkyl (for example, ethyl) and long-chain or branched alkyl (for example, i-propyl), so that both storage stability and stain resistance are improved. It can also be improved.
また、部分加水分解縮合物とすれば、耐汚染性を向上させることができる。その縮合度は2〜20、好ましくは3〜15である。 Moreover, if it is set as a partial hydrolysis-condensation product, stain resistance can be improved. The degree of condensation is 2-20, preferably 3-15.
(A)アクリル系樹脂エマルジョンに対する(B)シリコン化合物の添加量は、(A)アクリル系樹脂エマルジョンの固形分100重量部に対し、(B)シリコン化合物および/またはその部分加水分解縮合物の量で1〜50重量部、好ましくは3〜20重量部となる量である。1重量部未満では得られる塗膜の耐汚染性が十分ではない傾向にあり、50重量部を越えると塗膜外観やクラックなどの問題が発生する傾向にある。 The amount of (B) silicon compound added to (A) acrylic resin emulsion is the amount of (B) silicon compound and / or its partially hydrolyzed condensate with respect to 100 parts by weight of solid content of (A) acrylic resin emulsion. 1 to 50 parts by weight, preferably 3 to 20 parts by weight. If it is less than 1 part by weight, the resulting coating film tends to have insufficient stain resistance, and if it exceeds 50 parts by weight, problems such as coating film appearance and cracks tend to occur.
(C)アルカリ金属塩であるアニオン系界面活性剤
本発明においては、アルカリ金属塩であるアニオン系界面活性剤を必須の成分として用いる。
(C) Anionic surfactant that is an alkali metal salt In the present invention, an anionic surfactant that is an alkali metal salt is used as an essential component.
アニオン系界面活性剤としては、たとえばポリオキシエチレンノニルフェニルエーテルサルフェート、ポリオキシエチレン多環フェニルエーテルサルフェートなどのポリオキシエチレンアリールエーテルサルフェート、ポリオキシエチレントリデシルエーテルサルフェートなどのポリオキシエチレンアルキルエーテルサルフェートなどのポリオキシエチレン鎖を有する硫酸エステル;ラウリルサルフェートなどの硫酸エステル;ラウリルスルホン酸、ドデシルベンゼンスルホン酸、アルキルナフタレンスルホン酸、アルキルジフェニルエーテルジスルホン酸などのスルホン酸;ジ(2−エチルヘキシル)スルホコハク酸などのアルキルスルホコハク酸;アルキルリン酸エステル、ポリオキシエチレンアルキルエーテルリン酸エステルなどのリン酸エステルなどおよびそれらの塩があげられる。
アニオン性界面活性剤の中和カチオン種は、種々選択できるが、本発明においてはアルカリ金属、好ましくはナトリウムまたはカリウムイオンを用いた乳化剤が用いられる。この中和カチオン種の選択により、(B)シリコン化合物の安定性を向上させることができる。
Examples of the anionic surfactant include polyoxyethylene aryl ether sulfate such as polyoxyethylene nonyl phenyl ether sulfate, polyoxyethylene polycyclic phenyl ether sulfate, and polyoxyethylene alkyl ether sulfate such as polyoxyethylene tridecyl ether sulfate. Sulfate ester having polyoxyethylene chain; Sulfate ester such as lauryl sulfate; Sulfonic acid such as lauryl sulfonic acid, dodecylbenzene sulfonic acid, alkylnaphthalene sulfonic acid, alkyldiphenyl ether disulfonic acid; Di (2-ethylhexyl) sulfosuccinic acid, etc. Alkylsulfosuccinic acid; alkyl phosphate ester, polyoxyethylene alkyl ether phosphate ester, etc. Such as esters and salts thereof.
Various neutralizing cationic species of the anionic surfactant can be selected. In the present invention, an emulsifier using an alkali metal, preferably sodium or potassium ion is used. By selecting the neutralized cation species, the stability of the (B) silicon compound can be improved.
上記のアニオン性界面活性剤の中で、アルキルスルホコハク酸系界面活性剤を用いた場合、(B)の安定性が向上し、組成物の貯蔵安定性および得られる塗膜の外観の双方を向上させることから好ましい。アルキルスルホコハク酸系界面活性剤の具体例としては、日本乳化剤(株)製ニューコール290、291、293、第一工業製薬(株)製ネオコールSW−C、YSK、P、花王(株)製ペレックスCS、OT−Pがあげられる。
また、アルキルスルホコハク酸系界面活性剤にポリオキシエチレン鎖を有する硫酸エステル系界面活性剤を併用することも可能である。
Among the above anionic surfactants, when an alkylsulfosuccinic acid type surfactant is used, the stability of (B) is improved, and both the storage stability of the composition and the appearance of the resulting coating film are improved. Is preferable. Specific examples of the alkylsulfosuccinic acid surfactants include New Emuls 290, 291 and 293 manufactured by Nippon Emulsifier Co., Ltd., Neocor SW-C, YSK, P manufactured by Daiichi Kogyo Seiyaku Co., Ltd., PELEX manufactured by Kao Corporation. CS and OT-P.
It is also possible to use a sulfate ester surfactant having a polyoxyethylene chain in combination with an alkylsulfosuccinic acid surfactant.
アニオン性界面活性剤(C)と併用してノニオン系界面活性剤を用いることができる。ノニオン系界面活性剤としては、たとえばポリオキシエチレンアルキルエ−テル、ポリオキシエチレンアルキルフェニルエーテル、ポリオキシエチレン−ポリオキシプロピレンブロック共重合体、ポリオキシエチレンソルビタン脂肪酸エステル、ポリオキシエチレンソルビトール脂肪酸エステルなどのポリオキシエチレン鎖を有するもの;ソルビタン脂肪酸エステル、グリセリン脂肪酸エステルなどの水酸基を有するもの;信越化学工業(株)製KF−351、KF−352、KF−353、KF−354、KF−355、KF−615、KF−618、KF−945、KF−907、X−22−6008、X−22−811、X−22−812、東レ・ダウコーニング社製SH3748、SH3749、SH3771、SH8400、SF8410、SF8700などの片末端および/または両末端および/または側鎖をポリアルキレンオキシドで変性したポリオルガノシロキサンであるシリコーン系界面活性剤;アセチレングリコール系界面活性剤、ポリビニルアルコール、ヒドロキシエチルセルロース、アクリルアミド共重合体などの水溶性高分子系などがあげられる。 A nonionic surfactant can be used in combination with the anionic surfactant (C). Nonionic surfactants include, for example, polyoxyethylene alkyl ether, polyoxyethylene alkyl phenyl ether, polyoxyethylene-polyoxypropylene block copolymer, polyoxyethylene sorbitan fatty acid ester, polyoxyethylene sorbitol fatty acid ester, etc. Having a polyoxyethylene chain; having a hydroxyl group such as sorbitan fatty acid ester or glycerin fatty acid ester; Shin-Etsu Chemical Co., Ltd. KF-351, KF-352, KF-353, KF-354, KF-355, KF-615, KF-618, KF-945, KF-907, X-22-6008, X-22-811, X-22-812, SH3748, SH3749, SH3771, SH8400, SF manufactured by Toray Dow Corning 410, SF8700 and other silicone-based surfactants that are polyorganosiloxanes modified at one and / or both ends and / or side chains with polyalkylene oxide; acetylene glycol surfactants, polyvinyl alcohol, hydroxyethyl cellulose, acrylamide Examples thereof include water-soluble polymer systems such as polymers.
これらの界面活性剤は、単独で用いてもよく、2種以上を併用してもよい。アニオン系界面活性剤(C)の使用量は、シリコン化合物(B)100重量部に対して0.05〜50重量部、好ましくは、0.1〜30重量部である。0.05重量部未満では、シリコン化合物の貯蔵安定性が低下する。50重量部を越えると得られる塗膜の外観や耐水性の低下などの問題が発生する。 These surfactants may be used alone or in combination of two or more. The usage-amount of anionic surfactant (C) is 0.05-50 weight part with respect to 100 weight part of silicon compounds (B), Preferably, it is 0.1-30 weight part. If it is less than 0.05 part by weight, the storage stability of the silicon compound is lowered. If it exceeds 50 parts by weight, problems such as the appearance of the resulting coating film and a decrease in water resistance occur.
(D)反応性化合物
(D)反応性化合物は、(D−1)カルボジイミド基含有化合物及び/又は(D−2)エポキシ基含有化合物である。
(D) Reactive Compound (D) The reactive compound is (D-1) a carbodiimide group-containing compound and / or (D-2) an epoxy group-containing compound.
(D−1)カルボジイミド含有化合物
カルボジイミド含有化合物としては、例えば、特開平8−59303号記載の水溶性又は自己乳化型カルボジイミド化合物などがあげられる。これは、2,4−トリレンジイソシアネート(2,4−TDI)、2,6−トリレンジイソシアネート(2,6−TDI)、4,4´−ジフェニルメタンジイソシアネート(MDI)、キシリレンジイソシアネート(XDI)、イソホロンジイソシアネート(IPDI)、メチルシクロヘキシルジイソシアネート(H6TDI)、4,4´−ジシクロヘキシルメタンジイソシアネート(H12MDI)、1,3−ビス(イソシアナトメチル)シクロヘキサン(H6XDI)、テトラメチルキシリレンジイソシアネート(TMXDI)、2,2,4−トリメチルヘキサメチレンジイソシアネート(TMHDI)、ヘキサメチレンジイソシアネート(HDI)、ノルボルネンジイソシアネート(NBDI)、2,4,6−トリイソプロピルフェニルジイソシアネート(TIDI)、1,12−ジイソシアネートドデカン(DDI)、2,4,−ビス−(8−イソシアネートオクチル)−1,3−ジオクチルシクロブタン(OCDI)、n−ペンタン−1,4−ジイソシアネート等の多官能イソシアネート類の1種または2種以上を脱二酸化炭素縮合反応させることにより、カルボジイミド化し、末端の残存イシシアネート基を親水性基で封止したものである。
(D-1) Carbodiimide-containing compound Examples of the carbodiimide-containing compound include water-soluble or self-emulsifying carbodiimide compounds described in JP-A-8-59303. This includes 2,4-tolylene diisocyanate (2,4-TDI), 2,6-tolylene diisocyanate (2,6-TDI), 4,4'-diphenylmethane diisocyanate (MDI), xylylene diisocyanate (XDI) , Isophorone diisocyanate (IPDI), methylcyclohexyl diisocyanate (H6TDI), 4,4′-dicyclohexylmethane diisocyanate (H12MDI), 1,3-bis (isocyanatomethyl) cyclohexane (H6XDI), tetramethylxylylene diisocyanate (TMXDI), 2,2,4-trimethylhexamethylene diisocyanate (TMHDI), hexamethylene diisocyanate (HDI), norbornene diisocyanate (NBDI), 2,4,6-triisopropylphenyl Diisocyanate (TIDI), 1,12-diisocyanate dodecane (DDI), 2,4, -bis- (8-isocyanate octyl) -1,3-dioctylcyclobutane (OCDI), n-pentane-1,4-diisocyanate, etc. One type or two or more types of polyfunctional isocyanates are subjected to a carbon dioxide decondensation reaction to form a carbodiimide, and the terminal residual isocyanate group is sealed with a hydrophilic group.
封止する親水基としては、アルキルスルホン酸塩の残基、ジアルキルアミノアルコールの残基の四級塩、アルコキシ基末端を封鎖されたポリオキシアルキレンの残基などがあげられる。 Examples of the hydrophilic group to be sealed include a residue of an alkyl sulfonate, a quaternary salt of a residue of a dialkylamino alcohol, a residue of a polyoxyalkylene whose end is blocked with an alkoxy group.
なお、これらは、水性樹脂架橋剤として市販されており、例えば、日清紡ケミカル(株)製カルボジライトV−02、V−04、V−06、V−02−L2、E−01、E−02、E−03、E−04、E−05などがある。 In addition, these are marketed as an aqueous resin crosslinking agent, for example, Nisshinbo Chemical Co., Ltd. Carbodilite V-02, V-04, V-06, V-02-L2, E-01, E-02, E-03, E-04, E-05 and the like.
また、水を含まないものとしてV−02B、V−04B、V−04K、Elastostab H01などがある。
特に、水を含まないV−02B、V04B、V04K、Elastostab H01が好ましい。
Examples of water-free materials include V-02B, V-04B, V-04K, and Elastostab H01.
In particular, V-02B, V04B, V04K and Elastostab H01 containing no water are preferable.
(D−2)エポキシ基含有化合物
エポキシ基含有化合物としては、フェニルグリシジルエーテル、2−エチルヘキシルグリシジルエーテル、エチルジエチレングリコールグリシジルエーテル、ジシクロペンタジエングリシジルエーテル、2−ヒドロキシエチルグリシジルエーテル等の1官能性エポキシ化合物、ハイドロキノンジグリシジルエーテル、レゾルシンジグリシジルエーテル、エチレングリコールジグリシジルエーテル、ポリエチレングリコールジグリシジルエーテル、1,4−ブタンジオールジグリシジルエーテル、1,6−ヘキサンジオールジグリシジルエーテル、シクロヘキサンジオールジグリシジルエーテル、シクロヘキサンジメタノールジグリシジルエーテル、ジシクロペンタジエンジオールジグリシジルエーテル、1,6−ナフタレンジオールジグリシジルエーテル、ビスフェノールAジグリシジルエーテル、ビスフェノールFジグリシジルエーテル、水添ビスフェノールAジグリシジルエーテル、水添ビスフェノールFジグリシジルエーテル等の2官能性エポキシ化合物、トリメチロールプロパントリグリシジルエーテル、ペンタエリスリトールテトラグリシジルエーテル、フェノールノボラック型エポキシ、クレゾールノボラック型エポキシ、エポキシ化ポリブタジエン等の多官能エポキシ化合物が挙げられる。
(D-2) Epoxy group-containing compound Examples of the epoxy group-containing compound include monofunctional epoxy compounds such as phenyl glycidyl ether, 2-ethylhexyl glycidyl ether, ethyl diethylene glycol glycidyl ether, dicyclopentadiene glycidyl ether, and 2-hydroxyethyl glycidyl ether. , Hydroquinone diglycidyl ether, resorcin diglycidyl ether, ethylene glycol diglycidyl ether, polyethylene glycol diglycidyl ether, 1,4-butanediol diglycidyl ether, 1,6-hexanediol diglycidyl ether, cyclohexanediol diglycidyl ether, cyclohexane Dimethanol diglycidyl ether, dicyclopentadienediol diglycidyl ether, 1, Bifunctional epoxy compounds such as 6-naphthalenediol diglycidyl ether, bisphenol A diglycidyl ether, bisphenol F diglycidyl ether, hydrogenated bisphenol A diglycidyl ether, hydrogenated bisphenol F diglycidyl ether, trimethylolpropane triglycidyl ether, Examples thereof include polyfunctional epoxy compounds such as pentaerythritol tetraglycidyl ether, phenol novolac type epoxy, cresol novolac type epoxy, and epoxidized polybutadiene.
なお、これらは、エポキシ基含有化合物として多くのものが市販されており、例えば、ナガセケムテックス(株)製デナコールEX−611、デナコールEX−612、デナコールEX−614、デナコールEX−614B、デナコールEX−622、デナコールEX−512、デナコールEX−521、デナコールEX−411、デナコールEX−421、デナコールEX−301、デナコールEX−313、デナコールEX−314、デナコールEX−321、デナコールEX−201、デナコールEX−211、デナコールEX−810、デナコールEX−811、デナコールEX−851、デナコールEX−821、デナコールEX−830、デナコールEX−832、デナコールEX−841、デナコールEX−861、デナコールEX−911、デナコールEX−941、デナコールEX−920、デナコールEX−921、デナコールEX−931、デナコールEX−145、デナコールEX−171、デナコールEX−701、;共栄社化学(株)製エポライト40E、エポライト100E、エポライト200E、エポライト400E、エポライト70P、エポライト200P、エポライト400P、エポライト1500NP、エポライト80MF、エポライト100MF、;坂本薬品工業(株)製SR−NPG、SR−16H、SR−TMP、SR−TPG、SR−4PG、SR−2EG、SR−8EG、SR−8EGS、SR−GLG、SR−DGE、SR−4GL、SR−4GLS、;日油(株)製エピオールBE−200、G−100、E−100、E−400、E−1000、P−200、NPG−100、TMP−100、エピオールOH、;ジャパンエポキシレジン(株)製jER828、jER827、jER834、jER1001、jER1002、jER1004、jER1007、jER806、jER807、jER4004P、jER4005P、jER1257、jER4250、jER4275、jER YX4000、jER YX4000H、jER152、jER154;三井石油化学工業(株)製エポミックR362、R364、R365、R366、R367、R369;東都化成(株)製エポトートYD−011、YD−012、YD−014、YD−904、YD−017、特にデナコールEX201、デナコールEX−411、jER827、jER828、jER834が好ましい。 Many of these are commercially available as epoxy group-containing compounds. For example, Denacol EX-611, Denacol EX-612, Denacol EX-614, Denacol EX-614B, Denacol EX manufactured by Nagase ChemteX Corporation -622, Denacol EX-512, Denacol EX-521, Denacol EX-411, Denacol EX-421, Denacol EX-301, Denacol EX-313, Denacol EX-314, Denacol EX-201, Denacol EX-201, Denacol EX -211, Denacol EX-810, Denacol EX-811, Denacol EX-851, Denacol EX-821, Denacol EX-830, Denacol EX-832, Denacol EX-841, Denacol EX-861, Denaco EX-911, Denacol EX-941, Denacol EX-920, Denacol EX-921, Denacol EX-931, Denacol EX-145, Denacol EX-171, Denacol EX-701; Epolite 40E manufactured by Kyoeisha Chemical Co., Ltd. 100E, Epolite 200E, Epolite 400E, Epolite 70P, Epolite 200P, Epolite 400P, Epolite 1500NP, Epolite 80MF, Epolite 100MF, Sakamoto Yakuhin Kogyo Co., Ltd. SR-NPG, SR-16H, SR-TMP, SR-TPG, SR-4PG, SR-2EG, SR-8EG, SR-8EGS, SR-GLG, SR-DGE, SR-4GL, SR-4GLS, NOF Corporation Epiol BE-200, G-100, E- 100, E- 00, E-1000, P-200, NPG-100, TMP-100, Epiol OH; Japan Epoxy Resin Co., Ltd. jER828, jER827, jER834, jER1001, jER1002, jER1004, jER1007, jER806, jER807, jER4004P, jER4005P , JER1257, jER4250, jER4275, jER YX4000, jER YX4000H, jER152, jER154; Mitsui Petrochemical Co., Ltd. Epomic R362, R364, R365, R366, R367, R369; Toto Kasei Yep-01Y -012, YD-014, YD-904, YD-017, especially Denacol EX201, Denacol EX-411, jER827, jER8 8, jER834 is preferable.
これら、(D−1)カルボジイミド基含有化合物及び/又は、(D−2)エポキシ含有化合物の使用量としては、単独で用いてもよく、2種以上を併用してもよい。(D−1)カルボジイミド基含有化合物及び/又は、(D−2)エポキシ含有化合物の使用量は、(B)シリコン化合物100重量部に対して有効成分量として0.05〜30重量部、好ましくは、0.5〜20重量部である。0.05重量部未満では、良好な貯蔵安定性が得られない。30重量部を越えると得られる塗膜の外観低下などの問題が発生する。 These (D-1) carbodiimide group-containing compound and / or (D-2) the epoxy-containing compound may be used alone or in combination of two or more. The amount of (D-1) carbodiimide group-containing compound and / or (D-2) epoxy-containing compound used is 0.05 to 30 parts by weight, preferably as an active ingredient amount with respect to 100 parts by weight of (B) silicon compound. Is 0.5 to 20 parts by weight. If it is less than 0.05 part by weight, good storage stability cannot be obtained. When the amount exceeds 30 parts by weight, problems such as deterioration in the appearance of the resulting coating film occur.
水性樹脂組成物の作製
本発明の水性樹脂組成物は、上記の(A)アクリル系樹脂エマルジョンと(B)シリコン化合物、(C)アルカリ金属塩であるアニオン系界面活性剤、(D−1)カルボジイミド基含有化合物及び/又は、(D−2)エポキシ基含有化合物を混合することにより得られる。混合方法は、一般的な攪拌装置であれば特に限定されない。
Production of Aqueous Resin Composition The aqueous resin composition of the present invention comprises (A) an acrylic resin emulsion, (B) a silicon compound, (C) an anionic surfactant that is an alkali metal salt, (D-1) It is obtained by mixing a carbodiimide group-containing compound and / or (D-2) an epoxy group-containing compound. The mixing method is not particularly limited as long as it is a general stirring device.
得られた組成物には、必要に応じて、通常塗料に用いられる顔料、たとえば二酸化チタン、炭酸カルシウム、カオリンクレー、タルク、硫酸バリウム、ホワイトカーボン、カーボン、弁柄、黄土、シアニンブルーなど、成膜助剤、たとえばベンジルアルコールなどのアルコール類;エチレングリコールモノブチルエーテル、プロピレングリコールモノメチルエーテル、プロピレングリコールモノブチルエーテル、ジプロピレングリコールモノメチルエーテル、ジプロピレングリコールモノブチルエーテルなどのグリコール類、エチレングリコールモノブチルエーテルアセテート、2,2,4−トリメチル−1,3−ペンタンジオールモノイソブチレートなどのグリコールエステル類など、コロイダルシリカ、可塑剤、溶剤、分散剤、湿潤剤、増粘剤、防腐剤、凍結防止剤、光安定剤、紫外線吸収剤、消泡剤などの通常塗料に用いられる添加剤を添加することもできる。 If necessary, the obtained composition may contain pigments commonly used in paints such as titanium dioxide, calcium carbonate, kaolin clay, talc, barium sulfate, white carbon, carbon, petal, ocher, cyanine blue, and the like. Membrane aids such as alcohols such as benzyl alcohol; glycols such as ethylene glycol monobutyl ether, propylene glycol monomethyl ether, propylene glycol monobutyl ether, dipropylene glycol monomethyl ether, dipropylene glycol monobutyl ether, ethylene glycol monobutyl ether acetate, 2 Glycol esters such as 1,2,4-trimethyl-1,3-pentanediol monoisobutyrate, colloidal silica, plasticizers, solvents, dispersants, wetting agents, Additives usually used in paints such as a sticking agent, preservative, antifreezing agent, light stabilizer, ultraviolet absorber and antifoaming agent can also be added.
また、(B)のシリコン化合物および/またはその部分加水分解縮合物による耐汚染性の発現を加速するため、加水分解縮合触媒を添加することもできる。 In addition, a hydrolysis condensation catalyst may be added in order to accelerate the expression of contamination resistance by the silicon compound (B) and / or its partial hydrolysis condensate.
加水分解縮合触媒としては、たとえば、ジブチル錫ジラウレート、ジブチル錫ジマレート、ジブチル錫ジオレイルマレート、ジオクチル錫ジラウレート、ジブチル錫ジアセテート、ジブチル錫ジメトキサイド、ジブチル錫チオグリコレート、ジブチル錫ビスイソノニル3−メルカプトプロピオネート、ジブチル錫ビスイソオクチルチオグリコレート、ジブチル錫ビス2−エチルヘキシルチオグリコレート、ジメチル錫ビスドデシルメルカプチド、ジブチル錫ビスドデシルメルカプチド、ジオクチル錫ビスドデシルメルカプチド、ジメチル錫ビス(オクチルチオグルコール酸エステル)、オクチル酸錫などの有機錫化合物;アルミニウムイソプロピレート、アルミニウムトリス(エチルアセトネート)、アルミニウムトリス(アセチルアセトネート)、エチルアセトアセテートアルミニウムジイソプロピレート等のアルミニウム系化合物;イソプロピルトリステアロイルチタネート、テトライソプロピルビス(ジオクチルホスファイト)チタネート、ビス(ジオクチルピロホスフェート)オキシアセテートチタネート等のチタン系化合物;テトラ−n−ブトキシジルコニウム、オクチル酸ジルコニウム、アルコキシジルコニウムとアセチルアセトンまたはアセト酢酸エステルの反応物等のジルコニウム系化合物などの有機金属化合物があげられる。 Examples of the hydrolysis condensation catalyst include dibutyltin dilaurate, dibutyltin dimaleate, dibutyltin dioleylmalate, dioctyltin dilaurate, dibutyltin diacetate, dibutyltin dimethoxide, dibutyltin thioglycolate, dibutyltin bisisononyl 3-mercaptopro Pionate, dibutyltin bisisooctyl thioglycolate, dibutyltin bis-2-ethylhexyl thioglycolate, dimethyltin bisdodecyl mercaptide, dibutyltin bisdodecyl mercaptide, dioctyltin bisdodecyl mercaptide, dimethyltin bis (octylthiogl Organic tin compounds such as cholic acid ester) and tin octylate; aluminum isopropylate, aluminum tris (ethylacetonate), aluminum tris (acetylacetonate) G), aluminum compounds such as ethyl acetoacetate aluminum diisopropylate; titanium compounds such as isopropyl tristearoyl titanate, tetraisopropyl bis (dioctyl phosphite) titanate, bis (dioctyl pyrophosphate) oxyacetate titanate; tetra-n- Examples thereof include organometallic compounds such as butoxyzirconium, zirconium octylate, zirconium-based compounds such as a reaction product of alkoxyzirconium and acetylacetone or acetoacetate.
また、加水分解縮合触媒として、酸性有機化合物、塩基性化合物、酸性有機化合物と塩基性化合物の混合物または反応物を用いることもできる。 Moreover, an acidic organic compound, a basic compound, a mixture of an acidic organic compound and a basic compound, or a reaction product can also be used as a hydrolysis condensation catalyst.
酸性有機化合物としては、硫酸化合物、スルフォン酸化合物、カルボン酸化合物、リン酸化合物等から選ばれる少なくとも1種以上であることが好ましく、反応性、塗膜物性への影響が少ない点からリン酸化合物がより好ましい。 The acidic organic compound is preferably at least one selected from a sulfuric acid compound, a sulfonic acid compound, a carboxylic acid compound, a phosphoric acid compound, and the like, and is a phosphoric acid compound from the viewpoint of little influence on reactivity and coating film properties. Is more preferable.
リン酸化合物としては、たとえばモノ−2−エチルヘキシル−2−エチルヘキシルホスホネートなどのアルキルホスホン酸;ジブチルホスフェート、2−エチルヘキシルアシッドホスフェート、ジ−2−エチルヘキシルホスフェート、モノイソデシルアシッドホスフェート、ジイソデシルホスフェート、ラウリルアシッドホスフェート、オレイルアシッドホスフェート、ステアリルアシッドホスフェート等の酸性リン酸エステルなどがあげられる。 Examples of the phosphoric acid compound include alkylphosphonic acids such as mono-2-ethylhexyl-2-ethylhexylphosphonate; dibutyl phosphate, 2-ethylhexyl acid phosphate, di-2-ethylhexyl phosphate, monoisodecyl acid phosphate, diisodecyl phosphate, lauryl acid Examples thereof include acidic phosphates such as phosphate, oleyl acid phosphate, stearyl acid phosphate, and the like.
塩基性化合物としては、水酸化ナトリウム、水酸化カリウム、水酸化カルシウム、水酸化マグネシウム、水酸化アルミニウム、水酸化リチウムなどの無機系塩基性化合物;アンモニア水溶液;1級アミン、2級アミン、3級アミンなどの有機アミン類があげられる。
これらの中で、アンモニア、有機アミン類が好ましく、それらの具体例としては、アンモニア水溶液、メチルアミン、ジメチルアミン、トリメチルアミン、エチルアミン、ジエチルアミン、トリエチルアミン、n−プロピルアミン、ジ−n−プロピルアミン、トリ−n−プロピルアミン、イソプロピルアミン、n−ブチルアミン、イソブチルアミン、sec−ブチルアミン、tert−ブチルアミン、シクロヘキシルアミン等のアルキルアミン化合物、エタノールアミン、1,8−ジアザビシクロ−[5,4,0]−7−ウンデセン、モルホリン、ベンジルアミン、アニリンおよびその誘導体等が挙げられる。 さらにはアミノ基含有樹脂を使用することもできる。
Examples of basic compounds include inorganic basic compounds such as sodium hydroxide, potassium hydroxide, calcium hydroxide, magnesium hydroxide, aluminum hydroxide, and lithium hydroxide; ammonia aqueous solution; primary amine, secondary amine, tertiary And organic amines such as amines.
Among these, ammonia and organic amines are preferable. Specific examples thereof include aqueous ammonia, methylamine, dimethylamine, trimethylamine, ethylamine, diethylamine, triethylamine, n-propylamine, di-n-propylamine, triamine. -Alkylamine compounds such as n-propylamine, isopropylamine, n-butylamine, isobutylamine, sec-butylamine, tert-butylamine, cyclohexylamine, ethanolamine, 1,8-diazabicyclo- [5,4,0] -7 -Undecene, morpholine, benzylamine, aniline and derivatives thereof. Furthermore, an amino group-containing resin can also be used.
加水分解縮合触媒は、単独で用いてもよく、2種以上を併用してもよい。その使用量は(A)成分のアクリル系樹脂エマルジョンの固形分100重量部に対し、通常0.01〜20重量部が好ましく、0.1〜10重量部がより好ましい。0.01部未満であると加水分解縮合が十分に進行せず、20部を超えると、得られる塗膜の外観が低下する傾向がある。 A hydrolysis-condensation catalyst may be used independently and may use 2 or more types together. The amount used is preferably 0.01 to 20 parts by weight and more preferably 0.1 to 10 parts by weight with respect to 100 parts by weight of the solid content of the acrylic resin emulsion of component (A). If it is less than 0.01 part, hydrolysis condensation does not proceed sufficiently, and if it exceeds 20 parts, the appearance of the resulting coating film tends to deteriorate.
また、加水分解縮合触媒は、そのままの形状で添加してもよいし、適切な界面活性剤を用いて水性媒体に乳化した後、添加してもよい。 The hydrolysis condensation catalyst may be added as it is, or may be added after emulsification in an aqueous medium using an appropriate surfactant.
本発明の組成物は、例えば建築内外装用、メタリックベースあるいはメタリックベース上のクリアーなどの自動車用、アルミニウム、ステンレスなどの金属直塗用、スレート、コンクリート、瓦、モルタル、石膏ボード、石綿スレート、アスベストボード、プレキャストコンクリート、軽量気泡コンクリート、硅酸カルシウム板、タイル、レンガなどの窯業系直塗用、ガラス用、天然大理石、御影石等の石材用の塗料あるいは上面処理剤として用いられる。 The composition of the present invention is used for, for example, interior / exterior of buildings, automotive such as metallic base or clear on metallic base, direct coating of metal such as aluminum and stainless steel, slate, concrete, roof tile, mortar, gypsum board, asbestos slate, asbestos It is used as a paint for ceramics such as board, precast concrete, lightweight cellular concrete, calcium oxalate plate, tile, brick, etc., for glass, natural marble, granite and other stones, or as a top treatment.
以下に、本発明を実施例に基づいて説明するが、本発明はこれによって限定されるものではない。 Hereinafter, the present invention will be described based on examples, but the present invention is not limited thereto.
(アクリル系樹脂エマルジョンの合成例1)
撹拌機、還流冷却器、窒素ガス導入管および滴下ロートを備えた反応容器に、初期仕込みとして脱イオン水47.5重量部、Newcol−707SN(日本乳化剤(株)製:有効成分30%、ポリオキシエチレン多環フェニルエーテル硫酸エステルナトリウム塩)0.08重量部、5%炭酸水素ナトリウム水溶液0.25重量部、ロンガリット0.06重量部、t−ブチルハイドロパーオキサイド0.05重量部、0.10%硫酸第一鉄・7水和物と0.40%エチレンジアミン四酢酸二ナトリウムの混合水溶液0.02部を仕込み、窒素ガスを導入しつつ50℃に昇温した。ブチルアクリレート8重量部、メチルメタクリレート15重量部、ブチルメタクリレート60重量部、イソブチルメタクリレート11重量部、γ−メタクリロキシプロピルトリエトキシシラン3重量部の混合物のうち5重量部を添加して30分間初期重合を行った。残り92重量部にn−ドデシルメルカプタン0.4重量部、Newcol−707SN 5.13重量部、アクアロンRN−20(第一工業製薬(株)製:有効成分100%、ポリオキシエチレンアルキルプロペニルフェニルエーテル)0.7重量部および脱イオン水28.4重量部を加え乳化したモノマー乳化液のうち、モノマー有効成分として65重量部を、3時間かけて等速追加した。さらに、残りのモノマー乳化物にポリオキシエチレン鎖を有するビニル系単量体であるMA−100(第一工業製薬(株)製)3重量部を添加したものを2時間かけて等速追加した。モノマー乳化液追加の間、ロンガリット0.1重量部、t−ブチルハイドロパーオキサイド0.1重量部をモノマー追加時に4回に分けて投入した。この後、1時間後重合を行った。室温まで冷却後、5%炭酸水素ナトリウム水溶液10部と脱イオン水を加え、樹脂固形分が50重量%のアクリル系樹脂エマルジョン(A−1)を得た。得られたエマルジョンの粒子径は260nmであった。
(Synthesis example 1 of acrylic resin emulsion)
In a reaction vessel equipped with a stirrer, reflux condenser, nitrogen gas inlet tube and dropping funnel, 47.5 parts by weight of deionized water as an initial charge, Newcol-707SN (manufactured by Nippon Emulsifier Co., Ltd .: active ingredient 30%, poly Oxyethylene polycyclic phenyl ether sulfate sodium salt) 0.08 parts by weight, 5% aqueous sodium hydrogen carbonate solution 0.25 parts by weight, Rongalite 0.06 parts by weight, t-butyl hydroperoxide 0.05 parts by weight, 0.02 part of a mixed aqueous solution of 10% ferrous sulfate heptahydrate and 0.40% ethylenediaminetetraacetic acid disodium was charged, and the temperature was raised to 50 ° C. while introducing nitrogen gas. 5 parts by weight of a mixture of 8 parts by weight of butyl acrylate, 15 parts by weight of methyl methacrylate, 60 parts by weight of butyl methacrylate, 11 parts by weight of isobutyl methacrylate and 3 parts by weight of γ-methacryloxypropyltriethoxysilane was added and initial polymerization was performed for 30 minutes. Went. N-dodecyl mercaptan 0.4 parts by weight, Newcol-707SN 5.13 parts by weight, Aqualon RN-20 (Daiichi Kogyo Seiyaku Co., Ltd .: active ingredient 100%, polyoxyethylene alkylpropenyl phenyl ether) ) Of the monomer emulsion obtained by emulsification by adding 0.7 parts by weight and 28.4 parts by weight of deionized water, 65 parts by weight was added as a monomer active ingredient at a constant rate over 3 hours. Furthermore, a mixture of 3 parts by weight of MA-100 (Daiichi Kogyo Seiyaku Co., Ltd.), which is a vinyl monomer having a polyoxyethylene chain, was added to the remaining monomer emulsion at a constant rate over 2 hours. . During the addition of the monomer emulsified liquid, 0.1 part by weight of Rongalite and 0.1 part by weight of t-butyl hydroperoxide were added in four portions when the monomer was added. Thereafter, polymerization was carried out after 1 hour. After cooling to room temperature, 10 parts of a 5% aqueous sodium bicarbonate solution and deionized water were added to obtain an acrylic resin emulsion (A-1) having a resin solid content of 50% by weight. The particle size of the obtained emulsion was 260 nm.
(アクリル系樹脂エマルジョンの合成例2)
撹拌機、還流冷却器、窒素ガス導入管および滴下ロートを備えた反応容器に、初期仕込みとして脱イオン水160重量部、Newcol−707SN(日本乳化剤(株)製:有効成分30%、ポリオキシエチレン多環フェニルエーテル硫酸エステルナトリウム塩)0.35重量部、5%炭酸水素ナトリウム水溶液0.25重量部を仕込み、窒素ガスを導入しつつ50℃に昇温した。昇温後、7%t−ブチルハイドロパーオキサイド水溶液0.5重量部、20%Bruggolite FF−6水溶液0.28重量部、0.10%硫酸第一鉄・7水和物と0.40%エチレンジアミン四酢酸二ナトリウムの混合水溶液0.35部を添加し、1段目として2−エチルヘキシルアクリレート16.04重量部、ブチルメタクリレート33重量部、γ−メタクリロキシプロピルメチルジメトキシシラン0.94重量部の混合物50重量部にアデカリアソープSR−10S((株)ADEKA製:有効成分100%、ポリオキシエチレン−1−アルコキシメチル−2−(2−プロペニルオキシ)エチルエーテル硫酸エステルナトリウム塩)0.75重量部、アデカリアソープER−20((株)ADEKA製:有効成分75%、ポリオキシエチレン−1−アルコキシメチル−2−(2−プロペニルオキシ)エチルエーテル)0.47重量部、および脱イオン水20重量部を加え乳化したモノマー乳化液を200分かけて等速追加した。その間、7%t−ブチルハイドロパーオキサイド水溶液0.55重量部および2.5%Bruggolite FF−6水溶液0.43重量部を3回に分けて添加した。モノマー乳化液追加終了後、1時間後重合を行った。さらに、7%t−ブチルハイドロパーオキサイド水溶液0.25重量部、2.5%Bruggolite FF−6水溶液0.55重量部および0.10%硫酸第一鉄・7水和物と0.40%エチレンジアミン四酢酸二ナトリウムの混合水溶液0.35部を添加し、2段目としてメチルメタクリレート9.25重量部、ブチルメタクリレート37重量部、γ−メタクリロキシプロピルトリエトキシシラン0.5重量部、ポリオキシエチレン鎖を有するビニル系単量体であるブレンマーPE−200(日油(株)製)3重量部、n−ドデシルメルカプタン0.25重量部の混合物50重量部にアデカリアソープSR−10S 0.75重量部、アデカリアソープER−20 0.47重量部、および脱イオン水20重量部を加え乳化したモノマー乳化液を200分かけて等速追加した。その間、7%t−ブチルハイドロパーオキサイド水溶液0.6重量部および2.5%Bruggolite FF−6水溶液0.85重量部を4回に分けて添加した。モノマー乳化液追加終了後、1.5時間後重合を行った。得られたエマルジョンに5%炭酸水素ナトリウム水溶液5.5部を添加後、脱イオン水で固形部50%に調整しアクリル系樹脂エマルジョン(A−2)を得た。得られたエマルジョンの粒子径は200nmであった。
(Synthesis example 2 of acrylic resin emulsion)
In a reaction vessel equipped with a stirrer, reflux condenser, nitrogen gas inlet tube and dropping funnel, 160 parts by weight of deionized water as an initial charge, Newcol-707SN (manufactured by Nippon Emulsifier Co., Ltd .: 30% active ingredient, polyoxyethylene) Polycyclic phenyl ether sulfate sodium salt) 0.35 parts by weight, 0.25 parts by weight of 5% aqueous sodium hydrogen carbonate solution were charged, and the temperature was raised to 50 ° C. while introducing nitrogen gas. After the temperature rise, 0.5 parts by weight of 7% t-butyl hydroperoxide aqueous solution, 0.28 parts by weight of 20% Bruggolite FF-6 aqueous solution, 0.10% ferrous sulfate and heptahydrate and 0.40% 0.35 part of a mixed aqueous solution of ethylenediaminetetraacetic acid disodium was added, and the first stage was 16.04 parts by weight of 2-ethylhexyl acrylate, 33 parts by weight of butyl methacrylate, 0.94 parts by weight of γ-methacryloxypropylmethyldimethoxysilane. ADEKA rear soap SR-10S (manufactured by ADEKA: 100% active ingredient, polyoxyethylene-1-alkoxymethyl-2- (2-propenyloxy) ethyl ether sulfate sodium salt) 0.75 in 50 parts by weight of the mixture Part by weight, Adekaria soap ER-20 (manufactured by ADEKA Corporation: 75% active ingredient, polyoxye A monomer emulsion obtained by adding 0.47 part by weight of tylene-1-alkoxymethyl-2- (2-propenyloxy) ethyl ether) and 20 parts by weight of deionized water was added at a constant rate over 200 minutes. Meanwhile, 0.55 parts by weight of 7% t-butyl hydroperoxide aqueous solution and 0.43 parts by weight of 2.5% Bruggolite FF-6 aqueous solution were added in three portions. Polymerization was performed after 1 hour after the addition of the monomer emulsion was completed. Further, 0.25 parts by weight of a 7% t-butyl hydroperoxide aqueous solution, 0.55 parts by weight of a 2.5% Bruggolite FF-6 aqueous solution, and 0.10% ferrous sulfate heptahydrate and 0.40% Add 0.35 parts of a mixed aqueous solution of ethylenediaminetetraacetic acid disodium, and in the second stage, 9.25 parts by weight of methyl methacrylate, 37 parts by weight of butyl methacrylate, 0.5 parts by weight of γ-methacryloxypropyltriethoxysilane, polyoxy Adecalia Soap SR-10S in a mixture of 3 parts by weight of Blemmer PE-200 (manufactured by NOF Corporation), a vinyl monomer having an ethylene chain, and 0.25 parts by weight of n-dodecyl mercaptan. Monomer emulsion emulsified by adding 75 parts by weight, 0.47 parts by weight of Adeka Soap ER-20, and 20 parts by weight of deionized water Was added at a constant speed over 200 minutes. Meanwhile, 0.6 part by weight of 7% t-butyl hydroperoxide aqueous solution and 0.85 part by weight of 2.5% Bruggolite FF-6 aqueous solution were added in four portions. After completion of the addition of the monomer emulsion, polymerization was carried out 1.5 hours later. After adding 5.5 parts of 5% aqueous sodium hydrogen carbonate solution to the obtained emulsion, the solid part was adjusted to 50% with deionized water to obtain an acrylic resin emulsion (A-2). The particle size of the obtained emulsion was 200 nm.
(アクリル系樹脂エマルジョンの合成例3)
撹拌機、還流冷却器、窒素ガス導入管および滴下ロートを備えた反応容器に、初期仕込みとして脱イオン水47.5重量部、Newcol−707SF(日本乳化剤(株)製:有効成分30%、ポリオキシエチレン多環フェニルエーテル硫酸エステルアンモニウム塩)0.08重量部、5%炭酸水素ナトリウム水溶液0.25重量部、ロンガリット0.06重量部、t−ブチルハイドロパーオキサイド0.05重量部、0.10%硫酸第一鉄・7水和物と0.40%エチレンジアミン四酢酸二ナトリウムの混合水溶液0.02部を仕込み、窒素ガスを導入しつつ50℃に昇温した。ブチルアクリレート8重量部、メチルメタクリレート15重量部、ブチルメタクリレート60重量部、イソブチルメタクリレート11重量部、γ−メタクリロキシプロピルトリエトキシシラン3重量部の混合物のうち5重量部を添加して30分間初期重合を行った。残り92重量部にn−ドデシルメルカプタン0.4重量部、Newcol−707SF 5.13重量部、アクアロンRN−20(第一工業製薬(株)製:有効成分100%、ポリオキシエチレンアルキルプロペニルフェニルエーテル)0.7重量部および脱イオン水28.4重量部を加え乳化したモノマー乳化液のうち、モノマー有効成分として65重量部を、3時間かけて等速追加した。さらに、残りのモノマー乳化物にポリオキシエチレン鎖を有するビニル系単量体であるMA−100(第一工業製薬(株)製)3重量部を添加したものを2時間かけて等速追加した。モノマー乳化液追加の間、ロンガリット0.1重量部、t−ブチルハイドロパーオキサイド0.1重量部をモノマー追加時に4回に分けて投入した。この後、1時間後重合を行った。室温まで冷却後、5%炭酸水素ナトリウム水溶液10部と脱イオン水を加え、樹脂固形分が50重量%のアクリル系樹脂エマルジョン(A−3)を得た。得られたエマルジョンの粒子径は260nmであった。
(Synthesis example 3 of acrylic resin emulsion)
In a reaction vessel equipped with a stirrer, reflux condenser, nitrogen gas inlet tube and dropping funnel, 47.5 parts by weight of deionized water as an initial charge, Newcol-707SF (manufactured by Nippon Emulsifier Co., Ltd .: active ingredient 30%, poly Oxyethylene polycyclic phenyl ether sulfate ammonium salt) 0.08 parts by weight, 0.25 parts by weight of 5% aqueous sodium hydrogen carbonate solution, 0.06 parts by weight of Rongalite, 0.05 parts by weight of t-butyl hydroperoxide, 0.02 part of a mixed aqueous solution of 10% ferrous sulfate heptahydrate and 0.40% ethylenediaminetetraacetic acid disodium was charged, and the temperature was raised to 50 ° C. while introducing nitrogen gas. 5 parts by weight of a mixture of 8 parts by weight of butyl acrylate, 15 parts by weight of methyl methacrylate, 60 parts by weight of butyl methacrylate, 11 parts by weight of isobutyl methacrylate and 3 parts by weight of γ-methacryloxypropyltriethoxysilane was added and initial polymerization was performed for 30 minutes. Went. The remaining 92 parts by weight is 0.4 parts by weight of n-dodecyl mercaptan, 5.13 parts by weight of Newcol-707SF, Aqualon RN-20 (Daiichi Kogyo Seiyaku Co., Ltd .: active ingredient 100%, polyoxyethylene alkylpropenyl phenyl ether) ) Of the monomer emulsion obtained by emulsification by adding 0.7 parts by weight and 28.4 parts by weight of deionized water, 65 parts by weight was added as a monomer active ingredient at a constant rate over 3 hours. Furthermore, a mixture of 3 parts by weight of MA-100 (Daiichi Kogyo Seiyaku Co., Ltd.), which is a vinyl monomer having a polyoxyethylene chain, was added to the remaining monomer emulsion at a constant rate over 2 hours. . During the addition of the monomer emulsified liquid, 0.1 part by weight of Rongalite and 0.1 part by weight of t-butyl hydroperoxide were added in four portions when the monomer was added. Thereafter, polymerization was carried out after 1 hour. After cooling to room temperature, 10 parts of a 5% aqueous sodium bicarbonate solution and deionized water were added to obtain an acrylic resin emulsion (A-3) having a resin solid content of 50% by weight. The particle size of the obtained emulsion was 260 nm.
(アクリル系樹脂エマルジョンの合成例4)
撹拌機、還流冷却器、窒素ガス導入管および滴下ロートを備えた反応容器に、初期仕込みとして脱イオン水160重量部、Newcol−707SF(日本乳化剤(株)製:有効成分30%、ポリオキシエチレン多環フェニルエーテル硫酸エステルアンモニウム塩)0.35重量部、5%炭酸水素ナトリウム水溶液0.25重量部を仕込み、窒素ガスを導入しつつ50℃に昇温した。昇温後、7%t−ブチルハイドロパーオキサイド水溶液0.5重量部、20%Bruggolite FF−6水溶液0.28重量部、0.10%硫酸第一鉄・7水和物と0.40%エチレンジアミン四酢酸二ナトリウムの混合水溶液0.35部を添加し、1段目として2−エチルヘキシルアクリレート16.04重量部、ブチルメタクリレート33重量部、γ−メタクリロキシプロピルメチルジメトキシシラン0.94重量部の混合物50重量部にアデカリアソープSR−10((株)ADEKA製:有効成分100%、ポリオキシエチレン−1−アルコキシメチル−2−(2−プロペニルオキシ)エチルエーテル硫酸エステルアンモニウム塩)0.75重量部、アデカリアソープER−20((株)ADEKA製:有効成分75%、ポリオキシエチレン−1−アルコキシメチル−2−(2−プロペニルオキシ)エチルエーテル)0.47重量部、および脱イオン水20重量部を加え乳化したモノマー乳化液を200分かけて等速追加した。その間、7%t−ブチルハイドロパーオキサイド水溶液0.55重量部および2.5%Bruggolite FF−6水溶液0.43重量部を3回に分けて添加した。モノマー乳化液追加終了後、1時間後重合を行った。さらに、7%t−ブチルハイドロパーオキサイド水溶液0.25重量部、2.5%Bruggolite FF−6水溶液0.55重量部および0.10%硫酸第一鉄・7水和物と0.40%エチレンジアミン四酢酸二ナトリウムの混合水溶液0.35部を添加し、2段目としてメチルメタクリレート9.25重量部、ブチルメタクリレート37重量部、γ−メタクリロキシプロピルトリエトキシシラン0.5重量部、ポリオキシエチレン鎖を有するビニル系単量体であるブレンマーPE−200(日油(株)製)3重量部、n−ドデシルメルカプタン0.25重量部の混合物50重量部にアデカリアソープSR−10 0.75重量部、アデカリアソープER−20 0.47重量部、および脱イオン水20重量部を加え乳化したモノマー乳化液を200分かけて等速追加した。その間、7%t−ブチルハイドロパーオキサイド水溶液0.6重量部および2.5%Bruggolite FF−6水溶液0.85重量部を4回に分けて添加した。モノマー乳化液追加終了後、1.5時間後重合を行った。得られたエマルジョンに5%炭酸水素ナトリウム水溶液5.5部を添加後、脱イオン水で固形部50%に調整しアクリル系樹脂エマルジョン(A−4)を得た。得られたエマルジョンの粒子径は、210nmであった。
(Synthesis example 4 of acrylic resin emulsion)
In a reaction vessel equipped with a stirrer, a reflux condenser, a nitrogen gas inlet tube and a dropping funnel, 160 parts by weight of deionized water as an initial charge, Newcol-707SF (manufactured by Nippon Emulsifier Co., Ltd .: 30% active ingredient, polyoxyethylene) Polycyclic phenyl ether sulfate ammonium salt) 0.35 parts by weight, 0.25 parts by weight of 5% aqueous sodium hydrogen carbonate solution were charged, and the temperature was raised to 50 ° C. while introducing nitrogen gas. After the temperature rise, 0.5 parts by weight of 7% t-butyl hydroperoxide aqueous solution, 0.28 parts by weight of 20% Bruggolite FF-6 aqueous solution, 0.10% ferrous sulfate and heptahydrate and 0.40% 0.35 part of a mixed aqueous solution of ethylenediaminetetraacetic acid disodium was added, and the first stage was 16.04 parts by weight of 2-ethylhexyl acrylate, 33 parts by weight of butyl methacrylate, 0.94 parts by weight of γ-methacryloxypropylmethyldimethoxysilane. ADEKA rear soap SR-10 (manufactured by ADEKA: 100% active ingredient, polyoxyethylene-1-alkoxymethyl-2- (2-propenyloxy) ethyl ether sulfate ammonium salt) 0.75 in 50 parts by weight of the mixture Part by weight, Adekaria soap ER-20 (manufactured by ADEKA Corporation: 75% active ingredient, polyoxye A monomer emulsion obtained by adding 0.47 part by weight of tylene-1-alkoxymethyl-2- (2-propenyloxy) ethyl ether) and 20 parts by weight of deionized water was added at a constant rate over 200 minutes. Meanwhile, 0.55 parts by weight of 7% t-butyl hydroperoxide aqueous solution and 0.43 parts by weight of 2.5% Bruggolite FF-6 aqueous solution were added in three portions. Polymerization was performed after 1 hour after the addition of the monomer emulsion was completed. Further, 0.25 parts by weight of a 7% t-butyl hydroperoxide aqueous solution, 0.55 parts by weight of a 2.5% Bruggolite FF-6 aqueous solution, and 0.10% ferrous sulfate heptahydrate and 0.40% Add 0.35 parts of a mixed aqueous solution of ethylenediaminetetraacetic acid disodium, and in the second stage, 9.25 parts by weight of methyl methacrylate, 37 parts by weight of butyl methacrylate, 0.5 parts by weight of γ-methacryloxypropyltriethoxysilane, polyoxy ADEKA rear soap SR-10 to 50 parts by weight of a mixture of 3 parts by weight of BLENMER PE-200 (manufactured by NOF Corporation), which is a vinyl monomer having an ethylene chain, and 0.25 parts by weight of n-dodecyl mercaptan. A monomer emulsion obtained by emulsifying 75 parts by weight, 0.47 parts by weight of Adeka Soap ER-20 and 20 parts by weight of deionized water Added constant speed over 200 minutes. Meanwhile, 0.6 part by weight of 7% t-butyl hydroperoxide aqueous solution and 0.85 part by weight of 2.5% Bruggolite FF-6 aqueous solution were added in four portions. After completion of the addition of the monomer emulsion, polymerization was carried out 1.5 hours later. After adding 5.5 parts of 5% aqueous sodium hydrogen carbonate solution to the obtained emulsion, the solid part was adjusted to 50% with deionized water to obtain an acrylic resin emulsion (A-4). The particle size of the obtained emulsion was 210 nm.
(エマルジョン配合物製造例1)
撹拌機、還流冷却器、窒素ガス導入管および滴下ロートを備えた反応容器にアクリル系樹脂エマルジョン(A−1)を1000重量部仕込み、回転数600rpmにて攪拌しながら、ネオコールSW−C(第一工業製薬(株)製:有効成分70%、ジアルキルスルホコハク酸ナトリウム塩)16.7重量部、カルボジライドV04K(日清紡ケミカル(株)製)8.4重量部、シリケート40(多摩化学(株)製:縮合度5〜6のテトラエチルシリケート部分加水分解縮合物)50重量部、5%炭酸水素ナトリウム水溶液5重量部を順次添加し、脱イオン水を86.7重量部を加えて、有効固形分濃度42.8%のエマルジョン配合物(I−1)を得た。
(Emulsion formulation production example 1)
A reactor vessel equipped with a stirrer, reflux condenser, nitrogen gas inlet tube and dropping funnel was charged with 1000 parts by weight of the acrylic resin emulsion (A-1) and stirred at a rotation speed of 600 rpm while neocol SW-C (No. Ichi Kogyo Seiyaku Co., Ltd .: Active ingredient 70%, dialkylsulfosuccinic acid sodium salt 16.7 parts by weight, carbodilide V04K (Nisshinbo Chemical Co., Ltd.) 8.4 parts by weight, silicate 40 (Tama Chemical Co., Ltd.) : Tetraethyl silicate partial hydrolysis condensate having a condensation degree of 5-6) 50 parts by weight, 5% by weight of 5% aqueous sodium hydrogen carbonate solution were added successively, and 86.7 parts by weight of deionized water was added to obtain an effective solid content concentration. A 42.8% emulsion formulation (I-1) was obtained.
(エマルジョン配合物製造例2)
撹拌機、還流冷却器、窒素ガス導入管および滴下ロートを備えた反応容器にアクリル系樹脂エマルジョン(A−2)を1000重量部仕込み、回転数600rpmにて攪拌しながら、ネオコールSW−C(第一工業製薬(株)製:有効成分70%、ジアルキルスルホコハク酸ナトリウム塩)16.7重量部とカルボジライドV04K(日清紡ケミカル(株)製)8.4重量部の混合物を添加し、ついで、シリケート40(多摩化学(株)製:縮合度5〜6のテトラエチルシリケート部分加水分解縮合物)50重量部、5%炭酸水素ナトリウム水溶液5重量部を順次添加し、脱イオン水を86.7重量部を加えて、有効固形分濃度42.8%のエマルジョン配合物(I−2)を得た。
(Emulsion formulation production example 2)
A reactor equipped with a stirrer, a reflux condenser, a nitrogen gas inlet tube and a dropping funnel was charged with 1000 parts by weight of an acrylic resin emulsion (A-2), and while stirring at a rotation speed of 600 rpm, Neocor SW-C (No. Ichi Kogyo Seiyaku Co., Ltd .: 70% active ingredient, dialkylsulfosuccinic acid sodium salt (16.7 parts by weight) and carbodiride V04K (Nisshinbo Chemical Co., Ltd.) (8.4 parts by weight) were added, and then silicate 40 (Tama Chemical Co., Ltd .: tetraethyl silicate partially hydrolyzed condensate having a condensation degree of 5 to 6) 50 parts by weight, 5% by weight of 5% aqueous sodium hydrogen carbonate solution were successively added, and 86.7 parts by weight of deionized water was added. In addition, an emulsion formulation (I-2) having an effective solid content concentration of 42.8% was obtained.
(エマルジョン配合物製造例3)
撹拌機、還流冷却器、窒素ガス導入管および滴下ロートを備えた反応容器にアクリル系樹脂エマルジョン(A−3)を1000重量部仕込み、回転数600rpmにて攪拌しながら、ネオコールSW−C(第一工業製薬(株)製:有効成分70%、ジアルキルスルホコハク酸ナトリウム塩)16.7重量部を添加し、ついで、カルボジライドV04K(日清紡ケミカル(株)製)8.4重量部とシリケート40(多摩化学(株)製:縮合度5〜6のテトラエチルシリケート部分加水分解縮合物)50重量部の混合物を添加し、ついで、5%炭酸水素ナトリウム水溶液5重量部を順次添加し、脱イオン水を86.7重量部を加えて、有効固形分濃度42.8%のエマルジョン配合物(I−3)を得た。
(Emulsion formulation production example 3)
A reactor equipped with a stirrer, a reflux condenser, a nitrogen gas inlet tube and a dropping funnel was charged with 1000 parts by weight of an acrylic resin emulsion (A-3) and stirred at a rotational speed of 600 rpm while Neocol SW-C (No. 16.7 parts by weight of Ichi Kogyo Seiyaku Co., Ltd .: active ingredient 70%, dialkylsulfosuccinic acid sodium salt) was added, followed by 8.4 parts by weight of carbodilide V04K (Nisshinbo Chemical Co., Ltd.) and silicate 40 (Tama). Chemical Co., Ltd .: tetraethyl silicate partially hydrolyzed condensate having a degree of condensation of 5-6 is added to a mixture of 50 parts by weight, then 5 parts by weight of 5% aqueous sodium hydrogen carbonate solution is added successively, and deionized water is added to 86 parts. .7 parts by weight was added to obtain an emulsion formulation (I-3) having an effective solid content concentration of 42.8%.
(エマルジョン配合物製造例4)
撹拌機、還流冷却器、窒素ガス導入管および滴下ロートを備えた反応容器にアクリル系樹脂エマルジョン(A−2)を1000重量部仕込み、回転数600rpmにて攪拌しながら、ネオコールSW−C(第一工業製薬(株)製:有効成分70%、ジアルキルスルホコハク酸ナトリウム塩)16.7重量部とカルボジライドV04K(日清紡ケミカル(株)製)8.4重量部とシリケート40(多摩化学(株)製:縮合度5〜6のテトラエチルシリケート部分加水分解縮合物)50重量部、の混合物を添加し、ついで、5%炭酸水素ナトリウム水溶液5重量部を添加し、脱イオン水を86.7重量部を加えて、有効固形分濃度42.8%のエマルジョン配合物(I−4)を得た。
(Emulsion formulation production example 4)
A reactor equipped with a stirrer, a reflux condenser, a nitrogen gas inlet tube and a dropping funnel was charged with 1000 parts by weight of an acrylic resin emulsion (A-2), and while stirring at a rotation speed of 600 rpm, Neocor SW-C (No. Ichi Kogyo Seiyaku Co., Ltd .: active ingredient 70%, dialkylsulfosuccinic acid sodium salt 16.7 parts by weight, carbodilide V04K (manufactured by Nisshinbo Chemical Co., Ltd.) 8.4 parts by weight and silicate 40 (manufactured by Tama Chemical Co., Ltd.) : 50 parts by weight of a mixture of 5-6 parts of tetraethyl silicate partially hydrolyzed condensate having a condensation degree of 5-6, then 5 parts by weight of 5% aqueous sodium bicarbonate solution and 86.7 parts by weight of deionized water. In addition, an emulsion formulation (I-4) having an effective solid content concentration of 42.8% was obtained.
(エマルジョン配合物製造例5)
撹拌機、還流冷却器、窒素ガス導入管および滴下ロートを備えた反応容器にアクリル系樹脂エマルジョン(A−2)を1000重量部仕込み、回転数600rpmにて攪拌しながら、ネオコールSW−C(第一工業製薬(株)製:有効成分70%、ジアルキルスルホコハク酸ナトリウム塩)16.7重量部とカルボジライドV04K(日清紡ケミカル(株)製)3.4重量部とデナコールEX201(ナガセケムテックス(株)製:レゾルシンジグリシジルエーテル)5重量部の混合物を添加し、ついで、シリケート40(多摩化学(株)製:縮合度5〜6のテトラエチルシリケート部分加水分解縮合物)50重量部、5%炭酸水素ナトリウム水溶液5重量部を順次添加し、脱イオン水を86.7重量部を加えて、有効固形分濃度42.8%のエマルジョン配合物(I−5)を得た。
(Emulsion formulation production example 5)
A reactor equipped with a stirrer, a reflux condenser, a nitrogen gas inlet tube and a dropping funnel was charged with 1000 parts by weight of an acrylic resin emulsion (A-2), and while stirring at a rotation speed of 600 rpm, Neocor SW-C (No. Ichi Kogyo Seiyaku Co., Ltd .: active ingredient 70%, dialkylsulfosuccinic acid sodium salt 16.7 parts by weight, carbodilide V04K (manufactured by Nisshinbo Chemical Co., Ltd.) 3.4 parts by weight and Denacol EX201 (Nagase ChemteX Corporation) (Product: Resorcin diglycidyl ether) 5 parts by weight of a mixture was added, and then silicate 40 (manufactured by Tama Chemical Co., Ltd .: tetraethyl silicate partial hydrolysis condensate having a condensation degree of 5-6) 50 parts by weight, 5% hydrogen carbonate 5 parts by weight of aqueous sodium solution was added sequentially, 86.7 parts by weight of deionized water was added, and the effective solid content concentration was 42.8%. Emulsion formulation (I-5) was obtained.
(エマルジョン配合物製造例6)
撹拌機、還流冷却器、窒素ガス導入管および滴下ロートを備えた反応容器にアクリル系樹脂エマルジョン(A−3)を1000重量部仕込み、回転数600rpmにて攪拌しながら、ニューコール506(日本乳化剤(株)製:ポリオキシエエチレンオニルフェニルエーテル)16.7重量部、デナコールEX201(ナガセケムテックス(株)製:レゾルシンジグリシジルエーテル)8.4重量部、シリケート40(多摩化学(株)製:縮合度5〜6のテトラエチルシリケート部分加水分解縮合物)50重量部、5%炭酸水素ナトリウム水溶液5重量部を順次添加し、脱イオン水を86.7重量部を加えて、有効固形分濃度42.8%のエマルジョン配合物(I−6)を得た。
(Emulsion formulation production example 6)
A reactor equipped with a stirrer, a reflux condenser, a nitrogen gas inlet tube and a dropping funnel was charged with 1000 parts by weight of acrylic resin emulsion (A-3) and stirred at a rotational speed of 600 rpm while Newcol 506 (Japanese emulsifier). Manufactured by: Co., Ltd .: 16.7 parts by weight of polyoxyethylene onyl phenyl ether, DENACOL EX201 (manufactured by Nagase ChemteX Corporation: 8.4 parts by weight of resorcin diglycidyl ether), silicate 40 (Tama Chemical Co., Ltd.) Manufactured: tetraethyl silicate partially hydrolyzed condensate having a condensation degree of 5-6) 50 parts by weight, 5 parts by weight of 5% aqueous sodium hydrogen carbonate solution were added successively, and 86.7 parts by weight of deionized water was added to obtain an effective solid content. An emulsion formulation (I-6) with a concentration of 42.8% was obtained.
(エマルジョン配合物製造例7)
撹拌機、還流冷却器、窒素ガス導入管および滴下ロートを備えた反応容器にアクリル系樹脂エマルジョン(A−4)を1000重量部仕込み、回転数600rpmにて攪拌しながら、ニューコール506(日本乳化剤(株)製:ポリオキシエエチレンオニルフェニルエーテル)16.7重量部、jER827(ジャパンエポキシレジン(株)製):ビスフェノールA型エポキシ樹脂)8.4重量部、シリケート40(多摩化学(株)製:縮合度5〜6のテトラエチルシリケート部分加水分解縮合物)50重量部、5%炭酸水素ナトリウム水溶液5重量部を順次添加し、脱イオン水を86.7重量部を加えて、有効固形分濃度42.8%のエマルジョン配合物(I−7)を得た。
(Emulsion formulation production example 7)
A reactor equipped with a stirrer, a reflux condenser, a nitrogen gas inlet tube and a dropping funnel was charged with 1000 parts by weight of an acrylic resin emulsion (A-4) and stirred at a rotational speed of 600 rpm while Newcol 506 (Japanese emulsifier). Manufactured by: Co., Ltd .: 16.7 parts by weight of polyoxyethylene onylphenyl ether), jER827 (manufactured by Japan Epoxy Resin Co., Ltd.): 8.4 parts by weight of bisphenol A type epoxy resin, silicate 40 (Tama Chemical Co., Ltd.) ) Made: tetraethyl silicate partial hydrolysis condensate with a degree of condensation of 5-6) 50 parts by weight, 5 parts by weight of 5% aqueous sodium hydrogen carbonate solution were added sequentially, and 86.7 parts by weight of deionized water was added to form an effective solid. An emulsion formulation (I-7) with a partial concentration of 42.8% was obtained.
(エマルジョン配合物製造例8)
撹拌機、還流冷却器、窒素ガス導入管および滴下ロートを備えた反応容器にアクリル系樹脂エマルジョン(A−1)を1000重量部仕込み、回転数600rpmにて攪拌しながら、ネオコールSW−C(第一工業製薬(株)製:有効成分70%、ジアルキルスルホコハク酸ナトリウム塩)16.7重量部、ハイテノールXJ−630S(第一工業製薬(株)製:有効成分30%、ポリオキシアルキレンデシルエーテル硫酸エステルナトリウム塩)8.4重量部、シリケート40(多摩化学(株)製:縮合度5〜6のテトラエチルシリケート部分加水分解縮合物)50重量部、5%炭酸水素ナトリウム水溶液5重量部を順次添加し、脱イオン水を86.7重量部を加えて、有効固形分濃度42.8%のエマルジョン配合物(I−8)を得た。
(Emulsion formulation production example 8)
A reactor vessel equipped with a stirrer, reflux condenser, nitrogen gas inlet tube and dropping funnel was charged with 1000 parts by weight of the acrylic resin emulsion (A-1) and stirred at a rotation speed of 600 rpm while neocol SW-C (No. Ichi Kogyo Seiyaku Co., Ltd .: active ingredient 70%, dialkylsulfosuccinic acid sodium salt 16.7 parts by weight, Hytenol XJ-630S (Daiichi Kogyo Seiyaku Co., Ltd .: active ingredient 30%, polyoxyalkylene decyl ether Sulfuric acid ester sodium salt) 8.4 parts by weight, silicate 40 (manufactured by Tama Chemical Co., Ltd .: tetraethyl silicate partial hydrolysis condensate having a condensation degree of 5-6) 50 parts by weight, 5% by weight of 5% aqueous sodium hydrogen carbonate solution successively And 86.7 parts by weight of deionized water was added to obtain an emulsion formulation (I-8) having an effective solid content concentration of 42.8%.
(加水分解縮合触媒の水分散液の製造例1)
約40℃にて、ジブチル錫ビスドデシルメルカプチド10重量部、TD−10014(日本乳化剤(株)製の界面活性剤)4重量部、TD−1006(日本乳化剤(株)製の界面活性剤)6重量部、プロピレングリコール10重量部を混合し、攪拌しながら、ゆっくりと水70重量部を滴下して、加水分解縮合触媒の水分散液(CAT−1)を得た。
(Production Example 1 of Hydrolysis Condensation Catalyst Aqueous Dispersion)
At about 40 ° C., 10 parts by weight of dibutyltin bisdodecyl mercaptide, 4 parts by weight of TD-10014 (surfactant manufactured by Nippon Emulsifier Co., Ltd.), TD-1006 (surfactant manufactured by Nippon Emulsifier Co., Ltd.) 6 parts by weight and 10 parts by weight of propylene glycol were mixed, and 70 parts by weight of water was slowly added dropwise with stirring to obtain an aqueous dispersion (CAT-1) of the hydrolysis-condensation catalyst.
(白エナメル主剤塗料作成例1)
エマルジョン配合物(I−1)100重量部を表3に示す顔料ペーストを用い、表4に示す配合処方で白エナメル主剤塗料(II−1)を得た。
(White enamel base paint preparation example 1)
Using the pigment paste shown in Table 3 with 100 parts by weight of the emulsion formulation (I-1), a white enamel base paint (II-1) was obtained with the formulation shown in Table 4.
(白エナメル主剤塗料作成例2〜8)
表−5に示す組み合わせで、エマルジョン配合物(I−2)〜(I−8)100重量部を表3に示す顔料ペーストを用い、表4に示す配合処方で白エナメル主剤塗料(II−2)〜(II−8)を得た。
(White enamel main agent paint preparation examples 2-8)
In the combinations shown in Table-5, 100 parts by weight of the emulsion blends (I-2) to (I-8) were used in the pigment paste shown in Table 3, and the white enamel base paint (II-2) was formulated according to the recipe shown in Table 4. ) To (II-8) were obtained.
(実施例1)
白エナメル主剤塗料(II−1)を密閉容器内で50℃乾燥機、0日、4週間(4W)、6週間(6W)、及び8週間(8W)の期間で貯蔵した。この貯蔵した各主剤100重量部に加水分解縮合触媒の水分散液(CAT−1)を0.64重量部{(A)の固形分100重量部に対し、加水分解縮合触媒ジブチル錫ビスドデシルメルカプチド0.25重量部}を加えて混合後、約0.5時間後に6ミルのアプリケーターを使用してガラス板上に塗装し、室温14日養生して塗板を作製した。これらの塗板の養生完了時の光沢値、水接触角(初期)および室温で7日水浸漬し、室内で約6時間乾燥後の水接触角(水浸漬後)の測定を行った。結果を表5に示す。
Example 1
The white enamel base paint (II-1) was stored in a closed container at 50 ° C. for 0 days, 4 weeks (4 W), 6 weeks (6 W), and 8 weeks (8 W). Hydrolyzing condensation catalyst aqueous dispersion (CAT-1) 0.64 parts by weight {100 parts by weight of the solid content of (A)) Hydrolysis condensation catalyst dibutyltin bisdodecyl merca After adding and mixing 0.25 parts by weight of the peptide}, about 0.5 hours later, it was coated on a glass plate using a 6 mil applicator and cured for 14 days at room temperature to prepare a coated plate. The gloss value at the completion of curing of these coated plates, the water contact angle (initial), and water immersion for 7 days at room temperature, and the water contact angle (after water immersion) after drying for about 6 hours in a room were measured. The results are shown in Table 5.
(実施例2)
白エナメル主剤塗料(II−2)を密閉容器内で50℃乾燥機、0日、4週間(4W)、6週間(6W)、及び8週間(8W)の期間で貯蔵した。この貯蔵した各主剤100重量部に加水分解縮合触媒の水分散液(CAT−1)を0.64重量部{(A)の固形分100重量部に対し、加水分解縮合触媒ジブチル錫ビスドデシルメルカプチド0.25重量部}を加えて混合後、約0.5時間後に6ミルのアプリケーターを使用してガラス板上に塗装し、室温14日養生して塗板を作製した。これらの塗板の養生完了時の光沢値、水接触角(初期)および室温で7日水浸漬し、室内で約6時間乾燥後の水接触角(水浸漬後)の測定を行った。結果を表5に示す。
(Example 2)
The white enamel base paint (II-2) was stored in a closed container at 50 ° C. for 0 days, 4 weeks (4 W), 6 weeks (6 W), and 8 weeks (8 W). Hydrolyzing condensation catalyst aqueous dispersion (CAT-1) 0.64 parts by weight {100 parts by weight of the solid content of (A)) Hydrolysis condensation catalyst dibutyltin bisdodecyl merca After adding and mixing 0.25 parts by weight of the peptide}, about 0.5 hours later, it was coated on a glass plate using a 6 mil applicator and cured for 14 days at room temperature to prepare a coated plate. The gloss value at the completion of curing of these coated plates, the water contact angle (initial), and water immersion for 7 days at room temperature, and the water contact angle (after water immersion) after drying for about 6 hours in a room were measured. The results are shown in Table 5.
(実施例3〜5、比較例1〜3)
表5に示す白エナメル主剤塗料(II−3)、(II−4)、(II−5)、(II−6)、(II−7)、(II−8)に代えて、密閉容器内で50℃乾燥機、0日、4週間(4W)、6週間(6W)、及び8週間(8W)の期間で貯蔵した。この貯蔵した各主剤100重量部に加水分解縮合触媒の水分散液(CAT−1)を0.64重量部{(A)の固形分100重量部に対し、加水分解縮合触媒ジブチル錫ビスドデシルメルカプチド0.25重量部}を加えて混合後、約0.5時間後に6ミルのアプリケーターを使用してガラス板上に塗装し、室温14日養生して塗板を作製した。これらの塗板の養生完了時の光沢値、水接触角(初期)および室温で7日水浸漬し、室内で約6時間乾燥後の水接触角(水浸漬後)の測定を行った。結果を表5に示す。
(Examples 3-5, Comparative Examples 1-3)
Instead of the white enamel base paint (II-3), (II-4), (II-5), (II-6), (II-7), (II-8) shown in Table 5, in a sealed container At 50 ° C., 0 days, 4 weeks (4 W), 6 weeks (6 W), and 8 weeks (8 W). Hydrolyzing condensation catalyst aqueous dispersion (CAT-1) 0.64 parts by weight {100 parts by weight of the solid content of (A)) Hydrolysis condensation catalyst dibutyltin bisdodecyl merca After adding and mixing 0.25 parts by weight of the peptide}, about 0.5 hours later, it was coated on a glass plate using a 6 mil applicator and cured for 14 days at room temperature to prepare a coated plate. The gloss value at the completion of curing of these coated plates, the water contact angle (initial), and water immersion for 7 days at room temperature, and the water contact angle (after water immersion) after drying for about 6 hours in a room were measured. The results are shown in Table 5.
なお、測定は下記の方法によった。
・水接触角
協和界面科学(株)製接触角測定機CA−S150を使用し、純水の接触角を測定した。値が低いほど表面親水性が高く、耐汚染性に優れることを示し、70°以下であれば実際の屋外暴露試験での耐汚染性の効果が顕著となる傾向がある。特に水浸漬後の値は、降雨後の状態を想定しており、この値が低いことは、表面親水性の耐久性、持続性が高く、長期にわたる耐汚染性の効果が顕著となる傾向がある。
・光沢
ミノルタ(株)製光沢計Multi−Gloss268を使用し、入射角60°の光沢値を測定した。値が高いほど外観に優れることを示す。
The measurement was performed according to the following method.
Water contact angle The contact angle of pure water was measured using a contact angle measuring machine CA-S150 manufactured by Kyowa Interface Science Co., Ltd. The lower the value, the higher the surface hydrophilicity and the better the stain resistance. If it is 70 ° or less, the effect of the stain resistance in the actual outdoor exposure test tends to be remarkable. In particular, the value after water immersion assumes the state after rain, and this low value tends to have a high durability and long-lasting surface hydrophilic property, and a long-term antifouling effect tends to be prominent. is there.
Gloss value at an incident angle of 60 ° was measured using a gloss meter Multi-Gloss 268 manufactured by Gloss Minolta. Higher values indicate better appearance.
実施例1〜5は、白エナメル主剤塗料を50℃、8週間貯蔵した後でも、白エナメル塗膜で水浸漬後の水接触角64〜69°、光沢69〜77であり、表面親水性、外観ともに貯蔵安定性が良好であった。 Examples 1 to 5 have a water contact angle of 64 to 69 ° after immersion in water with a white enamel coating film and a gloss of 69 to 77 even after storing the white enamel main component paint at 50 ° C. for 8 weeks, surface hydrophilicity, Both appearance and storage stability were good.
比較例1〜2は、(A)アクリル系樹脂エマルジョンにアンモニウム塩であるアニオン系界面活性剤を用いて乳化重合してなるものを用いて、アルキルスルホコハク酸系界面活性剤を用いていないため、貯蔵安定性が不十分で、白エナメル主剤塗料を50℃、6週間貯蔵した後の白エナメル塗膜で水浸漬後の水接触角が75°以上であり、表面親水性の貯蔵安定性が確保できなかった。 In Comparative Examples 1 and 2, since (A) an acrylic resin emulsion obtained by emulsion polymerization using an anionic surfactant that is an ammonium salt, an alkylsulfosuccinic acid surfactant is not used. Insufficient storage stability, the white enamel coating after storing the white enamel main component paint at 50 ° C for 6 weeks, the water contact angle after water immersion is more than 75 °, ensuring the storage stability of surface hydrophilicity could not.
比較例3は、(A)アクリル系樹脂エマルジョンにナトリウム塩であるアニオン系界面活性剤を用いて乳化重合してなるものを用いているが、(D−1)カルボジイミド基含有化合物及び/又は、(D−2)エポキシ含有化合物を使用していないため、貯蔵安定性が不十分であるため、50℃、6週間貯蔵した後の白エナメル塗膜で水浸漬後の水接触角が86°であり、表面親水性の貯蔵安定性が確保できなかった。 Comparative Example 3 uses (A) an acrylic resin emulsion obtained by emulsion polymerization using an anionic surfactant that is a sodium salt, but (D-1) a carbodiimide group-containing compound and / or (D-2) Since an epoxy-containing compound is not used, the storage stability is insufficient, so the water contact angle after water immersion in a white enamel coating film after storage for 6 weeks at 50 ° C. is 86 °. In other words, the storage stability of the hydrophilic surface could not be ensured.
以上のように本発明の水性樹脂組成物は、良好な表面親水性およびその貯蔵安定性を有していることが確認され、耐汚染性に優れた塗膜を与える水性樹脂組成物として有用であることが確認された。 As described above, the aqueous resin composition of the present invention is confirmed to have good surface hydrophilicity and storage stability thereof, and is useful as an aqueous resin composition that gives a coating film excellent in stain resistance. It was confirmed that there was.
Claims (9)
(R1O)4−aSiR2 a (1)
(式中、R1は同じかまたは異なり、炭素数1〜10のアルキル基、炭素数6〜10のアリール基または炭素数7〜10のアラルキル基、R2は同じかまたは異なり、炭素数1〜10のアルキル基、炭素数6〜10のアリール基、炭素数7〜10のアラルキル基または炭素数1〜10のアルコキシ基、aは0〜2の整数。)、(C)アルカリ金属塩であるアニオン系界面活性剤を含有し、さらに(D)カルボジイミド基含有化合物及び/又はエポキシ基含有化合物からなる反応性化合物を含有する水性樹脂組成物であることを特徴とする樹脂組成物。 (A) Acrylic resin emulsion, (B) Silicon compound represented by the following general formula (1) and / or its partial hydrolysis condensate (R 1 O) 4-a SiR 2 a (1)
(In the formula, R 1 is the same or different, an alkyl group having 1 to 10 carbon atoms, an aryl group having 6 to 10 carbon atoms or an aralkyl group having 7 to 10 carbon atoms, R 2 is the same or different and has 1 carbon atom. -10 alkyl group, aryl group having 6-10 carbon atoms, aralkyl group having 7-10 carbon atoms, or alkoxy group having 1-10 carbon atoms, a is an integer of 0-2.), (C) an alkali metal salt A resin composition characterized by being an aqueous resin composition containing a reactive compound comprising a certain anionic surfactant and further comprising (D) a carbodiimide group-containing compound and / or an epoxy group-containing compound.
(R3O)4Si (2)
(式中、R3は同じかまたは異なり、炭素数1〜10のアルキル基、炭素数6〜10のアリール基または炭素数7〜10のアラルキル基)である請求項1〜5の何れか1項に記載の水性樹脂組成物。 The (B) silicon compound and / or a partial hydrolysis condensate thereof is an organosilicate (a compound represented by the following general formula (2) and / or a partial hydrolysis condensate thereof) and / or a modified product thereof (R 3 O 4 Si (2)
(Wherein R 3 is the same or different and is an alkyl group having 1 to 10 carbon atoms, an aryl group having 6 to 10 carbon atoms, or an aralkyl group having 7 to 10 carbon atoms). The aqueous resin composition according to Item.
The aqueous resin composition according to any one of claims 1 to 8, wherein the (A) acrylic resin emulsion is an acrylic resin emulsion containing an alkoxysilyl group.
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JP2014129484A (en) * | 2012-12-28 | 2014-07-10 | Asahi Kasei Chemicals Corp | Acrylic latex composition for coating |
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JPH09221611A (en) * | 1996-02-16 | 1997-08-26 | Kanegafuchi Chem Ind Co Ltd | Resin composition for water base paint and formation of coating film having excellent stain resistance |
JP2006307098A (en) * | 2005-05-02 | 2006-11-09 | Kaneka Corp | Emulsion composition, coating mixed with the emulsion and method for producing the same |
JP2009040874A (en) * | 2007-08-08 | 2009-02-26 | Kaneka Corp | Coating method using curing composition, and coated object |
JP2009275066A (en) * | 2008-05-12 | 2009-11-26 | Kaneka Corp | Resin composition for water-based coating material |
JP2011057792A (en) * | 2009-09-08 | 2011-03-24 | Kaneka Corp | Aqueous resin composition for coating |
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JPH09221611A (en) * | 1996-02-16 | 1997-08-26 | Kanegafuchi Chem Ind Co Ltd | Resin composition for water base paint and formation of coating film having excellent stain resistance |
JP2006307098A (en) * | 2005-05-02 | 2006-11-09 | Kaneka Corp | Emulsion composition, coating mixed with the emulsion and method for producing the same |
JP2009040874A (en) * | 2007-08-08 | 2009-02-26 | Kaneka Corp | Coating method using curing composition, and coated object |
JP2009275066A (en) * | 2008-05-12 | 2009-11-26 | Kaneka Corp | Resin composition for water-based coating material |
JP2011057792A (en) * | 2009-09-08 | 2011-03-24 | Kaneka Corp | Aqueous resin composition for coating |
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JP2014129484A (en) * | 2012-12-28 | 2014-07-10 | Asahi Kasei Chemicals Corp | Acrylic latex composition for coating |
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