KR101079778B1 - Aqueous rust-resisting paint composition - Google Patents
Aqueous rust-resisting paint composition Download PDFInfo
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- KR101079778B1 KR101079778B1 KR1020090084830A KR20090084830A KR101079778B1 KR 101079778 B1 KR101079778 B1 KR 101079778B1 KR 1020090084830 A KR1020090084830 A KR 1020090084830A KR 20090084830 A KR20090084830 A KR 20090084830A KR 101079778 B1 KR101079778 B1 KR 101079778B1
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- water
- weight
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- rust
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- 239000000203 mixture Substances 0.000 title claims description 14
- 239000003973 paint Substances 0.000 title abstract description 21
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000011230 binding agent Substances 0.000 claims abstract description 24
- 239000008199 coating composition Substances 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229920001328 Polyvinylidene chloride Polymers 0.000 claims abstract description 18
- 239000005033 polyvinylidene chloride Substances 0.000 claims abstract description 18
- 239000000839 emulsion Substances 0.000 claims description 20
- 239000003795 chemical substances by application Substances 0.000 claims description 16
- 230000003449 preventive effect Effects 0.000 claims description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 15
- 239000000049 pigment Substances 0.000 claims description 11
- 239000011347 resin Substances 0.000 claims description 10
- 229920005989 resin Polymers 0.000 claims description 10
- 239000004606 Fillers/Extenders Substances 0.000 claims description 9
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- 229910000165 zinc phosphate Inorganic materials 0.000 claims description 6
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 5
- 239000000377 silicon dioxide Substances 0.000 claims description 5
- LRXTYHSAJDENHV-UHFFFAOYSA-H zinc phosphate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LRXTYHSAJDENHV-UHFFFAOYSA-H 0.000 claims description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical group [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 4
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical group [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 claims description 4
- 229910001424 calcium ion Inorganic materials 0.000 claims description 4
- 239000002270 dispersing agent Substances 0.000 claims description 4
- 238000005342 ion exchange Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
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- 239000002245 particle Substances 0.000 claims description 4
- -1 silane compound Chemical class 0.000 claims description 4
- 239000004094 surface-active agent Substances 0.000 claims description 4
- 239000000454 talc Substances 0.000 claims description 4
- 229910052623 talc Inorganic materials 0.000 claims description 4
- 239000000654 additive Substances 0.000 claims description 3
- ILRRQNADMUWWFW-UHFFFAOYSA-K aluminium phosphate Chemical compound O1[Al]2OP1(=O)O2 ILRRQNADMUWWFW-UHFFFAOYSA-K 0.000 claims description 3
- 239000002612 dispersion medium Substances 0.000 claims description 3
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 3
- 229910044991 metal oxide Inorganic materials 0.000 claims description 3
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- 239000003607 modifier Substances 0.000 claims description 3
- 230000009974 thixotropic effect Effects 0.000 claims description 3
- OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 claims description 2
- 239000005995 Aluminium silicate Substances 0.000 claims description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 2
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 claims description 2
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 claims description 2
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 2
- 235000012211 aluminium silicate Nutrition 0.000 claims description 2
- MHLMPARDYWGGLE-UHFFFAOYSA-K aluminum;zinc;phosphate Chemical compound [Al+3].[Zn+2].[O-]P([O-])([O-])=O MHLMPARDYWGGLE-UHFFFAOYSA-K 0.000 claims description 2
- 239000002518 antifoaming agent Substances 0.000 claims description 2
- 229910052791 calcium Inorganic materials 0.000 claims description 2
- 239000011575 calcium Substances 0.000 claims description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 2
- FUFJGUQYACFECW-UHFFFAOYSA-L calcium hydrogenphosphate Chemical compound [Ca+2].OP([O-])([O-])=O FUFJGUQYACFECW-UHFFFAOYSA-L 0.000 claims description 2
- 239000001506 calcium phosphate Substances 0.000 claims description 2
- 229910000389 calcium phosphate Inorganic materials 0.000 claims description 2
- 235000011010 calcium phosphates Nutrition 0.000 claims description 2
- 239000000460 chlorine Substances 0.000 claims description 2
- 229910052801 chlorine Inorganic materials 0.000 claims description 2
- 229910001919 chlorite Inorganic materials 0.000 claims description 2
- 229910052619 chlorite group Inorganic materials 0.000 claims description 2
- QBWCMBCROVPCKQ-UHFFFAOYSA-N chlorous acid Chemical compound OCl=O QBWCMBCROVPCKQ-UHFFFAOYSA-N 0.000 claims description 2
- 235000019700 dicalcium phosphate Nutrition 0.000 claims description 2
- 239000010459 dolomite Substances 0.000 claims description 2
- 229910000514 dolomite Inorganic materials 0.000 claims description 2
- 230000009477 glass transition Effects 0.000 claims description 2
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- 229910052712 strontium Inorganic materials 0.000 claims description 2
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 claims description 2
- OHOBJYLZBONBBA-UHFFFAOYSA-N strontium zinc Chemical compound [Zn+2].[Sr+2] OHOBJYLZBONBBA-UHFFFAOYSA-N 0.000 claims description 2
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical group [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 claims description 2
- GPTWCNIDKQZDFF-UHFFFAOYSA-H trizinc;diphosphate;hydrate Chemical compound O.[Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O GPTWCNIDKQZDFF-UHFFFAOYSA-H 0.000 claims description 2
- 239000010456 wollastonite Substances 0.000 claims description 2
- 229910052882 wollastonite Inorganic materials 0.000 claims description 2
- 230000000996 additive effect Effects 0.000 claims 1
- 238000000576 coating method Methods 0.000 abstract description 29
- 239000011248 coating agent Substances 0.000 abstract description 25
- 229910052751 metal Inorganic materials 0.000 abstract description 5
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- 230000000704 physical effect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 2
- 150000002739 metals Chemical class 0.000 abstract description 2
- 239000001301 oxygen Substances 0.000 abstract description 2
- 229910052760 oxygen Inorganic materials 0.000 abstract description 2
- 230000001681 protective effect Effects 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 7
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- 238000003756 stirring Methods 0.000 description 5
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- 230000007797 corrosion Effects 0.000 description 4
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- 239000003112 inhibitor Substances 0.000 description 4
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- 239000012855 volatile organic compound Substances 0.000 description 4
- 239000003921 oil Substances 0.000 description 3
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- 239000003518 caustics Substances 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
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- 239000013505 freshwater Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- YEHCICAEULNIGD-MZMPZRCHSA-N pergolide Chemical compound C1=CC([C@H]2C[C@@H](CSC)CN([C@@H]2C2)CCC)=C3C2=CNC3=C1 YEHCICAEULNIGD-MZMPZRCHSA-N 0.000 description 2
- 229940088507 permax Drugs 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
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- 230000006641 stabilisation Effects 0.000 description 2
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- 238000003860 storage Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- DAFHKNAQFPVRKR-UHFFFAOYSA-N (3-hydroxy-2,2,4-trimethylpentyl) 2-methylpropanoate Chemical compound CC(C)C(O)C(C)(C)COC(=O)C(C)C DAFHKNAQFPVRKR-UHFFFAOYSA-N 0.000 description 1
- LXOFYPKXCSULTL-UHFFFAOYSA-N 2,4,7,9-tetramethyldec-5-yne-4,7-diol Chemical compound CC(C)CC(C)(O)C#CC(C)(O)CC(C)C LXOFYPKXCSULTL-UHFFFAOYSA-N 0.000 description 1
- OAYXUHPQHDHDDZ-UHFFFAOYSA-N 2-(2-butoxyethoxy)ethanol Chemical compound CCCCOCCOCCO OAYXUHPQHDHDDZ-UHFFFAOYSA-N 0.000 description 1
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 description 1
- 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 1
- 206010040844 Skin exfoliation Diseases 0.000 description 1
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 239000002318 adhesion promoter Substances 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000010428 baryte Substances 0.000 description 1
- 229910052601 baryte Inorganic materials 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 239000010960 cold rolled steel Substances 0.000 description 1
- 239000008119 colloidal silica Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
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- 150000002500 ions Chemical class 0.000 description 1
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- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
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- 238000000518 rheometry Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D127/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers
- C09D127/02—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D127/04—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C09D127/08—Homopolymers or copolymers of vinylidene chloride
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
- C09D5/082—Anti-corrosive paints characterised by the anti-corrosive pigment
- C09D5/084—Inorganic compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
본 발명은 수용성 방청도료 조성물에 관한 것으로, 보다 상세하게는 산소 및 습기에 높은 보호막 효과를 갖는 유기 바인더로 폴리염화비닐리덴 공중합체 및 강인한 물성과 각종 금속에 대해 뛰어난 부착성을 갖는 무기 나노 바인더를 조합하여 포함함으로써, 종래의 수용성 방청도료에 비해 획기적으로 향상된 방청성 및 내수성을 가지고, 도막의 경도 및 내스크래치성을 동시에 증가시켜 뛰어난 내구성을 가지며, 휘발성 유기화합물을 최소화할 수 있기에 매우 친환경적인 도료에 관한 것이다.The present invention relates to a water-soluble anti-corrosive coating composition, and more particularly, to an organic binder having a high protective film effect on oxygen and moisture, a polyvinylidene chloride copolymer and an inorganic nano binder having excellent physical properties and excellent adhesion to various metals. In combination with the water-soluble rust-preventive coating, it has significantly improved rust resistance and water resistance, and has excellent durability by simultaneously increasing the hardness and scratch resistance of the coating film. It is about.
수용성, 방청도료, 폴리염화비닐리덴 공중합체, 무기 나노 바인더, 친환경 Water soluble, antirust paint, polyvinylidene chloride copolymer, inorganic nano binder, eco-friendly
Description
본 발명은 수용성 방청도료 조성물에 관한 것으로, 보다 상세하게는 산소 및 습기에 높은 보호막(barrier)효과를 갖는 유기 바인더로 폴리염화비닐리덴 공중합체 및 강인한 물성과 각종 금속에 대해 뛰어난 부착성을 갖는 무기 나노 바인더를 조합하여 포함함으로써, 종래의 수용성 방청도료에 비해 획기적으로 향상된 방청성 및 내수성을 가지고, 도막의 경도(hardness) 및 내스크래치성을 동시에 증가시켜 뛰어난 내구성을 가지며, 휘발성 유기화합물을 최소화할 수 있기에 매우 친환경적인 도료에 관한 것이다.The present invention relates to a water-soluble rust-preventive coating composition, and more particularly, to an organic binder having a high barrier effect on oxygen and moisture, a polyvinylidene chloride copolymer and an inorganic having excellent physical properties and excellent adhesion to various metals. By incorporating nano binders together, it has significantly improved rust resistance and water resistance compared to conventional water-soluble rust-preventive coatings, simultaneously increases the hardness and scratch resistance of the coating film, and has excellent durability and minimizes volatile organic compounds. It is about environmentally friendly paints.
일반적으로 도장이라 함은 심미적인 기능뿐만 아니라 소지를 보호하고자 하는 목적을 갖는다. 특히, 금속구조물이나 부품, 운송수단 등의 부식을 방지하고자 많은 연구가 이루어지고 있으며 이러한 연구의 결과 많은 종류의 유성 방청도료들이 개발되어 성공적으로 사용되고 있다.In general, the painting has the purpose of protecting the body as well as the aesthetic function. In particular, many studies have been made to prevent corrosion of metal structures, components, transportation means, etc. As a result of these studies, many types of oil-based antirust coatings have been developed and used successfully.
최근, 전 세계적으로 환경 및 에너지에 대한 관심이 높아지면서 화석원료로부터 파생되는 유기용제(혹은 휘발성 유기 화합물)의 사용을 제한하고자 하는 움직임이 많아지고 있으며, 우리나라를 포함한 여러 국가에서 강도 높은 규제책들이 준 비되거나 시행되고 있다.Recently, with increasing interest in the environment and energy around the world, there is a growing movement to limit the use of organic solvents (or volatile organic compounds) derived from fossil raw materials. It is rained down or is enforced.
이러한 요구에 따라 수용성 도료에 대한 관심이 높아져 연구도 활발해지고 있으나, 환경적인 측면 이외에 실질적인 방청성, 내수성, 부착성 등이 기존 도료에 비해 매우 떨어지는 것이 현실이다. 이에 기존 유성도료 수준의 내수성 및 방청성을 가지면서도 친환경적인 수용성 방청도료 제조 기술의 개발이 요구되고 있다.According to these demands, interest in water-soluble paints is increasing, and research is being actively conducted. However, the actual rust prevention, water resistance, adhesion, etc. in addition to the environmental aspects are very inferior to conventional paints. Therefore, it is required to develop environmentally friendly water-soluble rust-preventive paint manufacturing technology while having water resistance and rust-prevention level similar to existing oil-based paints.
본 발명은 친환경적이면서도 기존의 유성 방청도료와 유사한 수준의 우수한 방청성, 내수성 및 부착성을 보이는 수용성 방청도료 조성물을 제공하는 것을 그 기술적 과제로 한다.An object of the present invention is to provide a water-soluble anti-corrosive coating composition which is environmentally friendly and exhibits excellent anti-corrosive property, water resistance and adhesion at a level similar to existing oil-based anti-corrosive paint.
상기 목적을 달성하기 위하여 본 발명은, 수용성 방청도료 조성물로서 조성물 전체 100 중량부에 대하여 폴리염화비닐리덴 공중합체 에멀젼 30 내지 50 중량부 및 무기(inorganic) 나노 바인더 1 내지 20 중량부를 포함하는 것을 특징으로 하는 수용성 방청도료 조성물을 제공한다.In order to achieve the above object, the present invention is a water-soluble rust-preventive coating composition, characterized in that it comprises 30 to 50 parts by weight of polyvinylidene chloride copolymer emulsion and 1 to 20 parts by weight of inorganic nano binder with respect to 100 parts by weight of the total composition It provides a water-soluble antirust coating composition.
이하에서 본 발명을 상세하게 설명한다.Hereinafter, the present invention will be described in detail.
본 발명의 수용성 방청도료 조성물은 조성물 전체 100 중량부에 대하여 유기폴리바인더로서 염화비닐리덴 공중합체 에멀젼을 30 내지 50 중량부 포함한다. 본 발명에서 폴리염화비닐리덴 공중합체 에멀젼은 염화비닐과 염화비닐리덴 단량체 및 아크릴 단량체를 포함하는 수계 에멀젼 수지로서, 고형분 함량은 50 내지 60 중량%이고, pH 1 내지 3 사이에서 안정화되며, 에멀젼 수지 내의 염소함량이 50 내지 70 중량%이고, 유리전이온도는 5℃ 내지 15℃ 범위인 것을 특징으로 하는 유기 바인더로서 휘발성 유기화합물을 최소화하고 적절한 도막 강도를 얻을 수 있다.The water-soluble antirust coating composition of the present invention contains 30 to 50 parts by weight of vinylidene chloride copolymer emulsion as an organopolybinder based on 100 parts by weight of the total composition. Polyvinylidene chloride copolymer emulsion in the present invention is an aqueous emulsion resin containing a vinyl chloride, vinylidene chloride monomer and an acrylic monomer, the solid content is 50 to 60% by weight, stabilized between pH 1 to 3, emulsion resin Chlorine content in the 50 to 70% by weight, the glass transition temperature is an organic binder, characterized in that the range of 5 ℃ to 15 ℃ can minimize the volatile organic compounds and obtain an appropriate coating film strength.
본 발명의 조성물에서 폴리염화비닐리덴 공중합체 에멀젼이 30 중량부 미만으로 포함되면 소지와의 부착력 및 도막의 내구성에 문제가 있을 수 있고, 50 중량부를 초과하여 포함되면 소지에 대한 부착력에 대비해 수지 자체의 결합력이 너무 높아져 부착증진제가 없이는 박리의 위험성이 있을 수 있다. When the polyvinylidene chloride copolymer emulsion is included in less than 30 parts by weight of the composition of the present invention may have a problem in the adhesion to the substrate and the durability of the coating film, if included in more than 50 parts by weight of the resin itself in preparation for adhesion to the substrate The bonding strength of the resin may be so high that there is a risk of peeling without an adhesion promoter.
본 발명에서 폴리염화비닐리덴 공중합체 에멀젼 수지는 예를 들면, DSM Neoresin 사의 Haloflex 202(상품명) 및 Haloflex 202S(상품명), Solvay 사의 Diofan P510(상품명), Lubrizol 사의 Permax 803(상품명), Permax 805(상품명) 등이 사용될 수 있으나 이에 제한되는 것은 아니다.In the present invention, the polyvinylidene chloride copolymer emulsion resin is, for example, Haloflex 202 (trade name) and Haloflex 202S (trade name) from DSM Neoresin, Diofan P510 (trade name) from Solvay, Permax 803 (trade name) from Lubrizol, Permax 805 ( Brand name) may be used, but the present invention is not limited thereto.
본 발명의 수용성 방청도료 조성물은 조성물 전체 100 중량부에 대하여 무기 나노 바인더를 1 내지 20 중량부 포함한다. 본 발명에서 무기 나노 바인더는 콜로이드상으로 안정화된 금속산화물과 실란화합물의 혼합형태로 20 내지 35 중량%의 고형분을 가지며, 분산매는 물이고, 소듐 혹은 암모늄 등의 이온을 이용 pH 8 내지 11 에서, 10 내지 50nm 정도의 입자경을 갖는 형태로 안정화되어 있는 것을 특징으로 한다. 무기 나노바인더는 졸-겔법에 의해 도막을 형성할 수 있으며 겔을 만들기 위한 다양한 방법이 있으나, 본 발명에서 무기 나노 바인더는 용제의 건조로 인한 농도변화를 주 기작으로 한다. The water-soluble antirust coating composition of the present invention contains 1 to 20 parts by weight of the inorganic nanobinder based on 100 parts by weight of the total composition. In the present invention, the inorganic nano binder has a solid content of 20 to 35% by weight in the form of a colloidal stabilized metal oxide and silane compound, the dispersion medium is water, and at pH 8 to 11 using ions such as sodium or ammonium, It is characterized by being stabilized in a form having a particle diameter of about 10 to 50nm. The inorganic nanobinder can form a coating film by the sol-gel method, and there are various methods for making a gel. In the present invention, the inorganic nanobinder mainly uses concentration changes due to drying of a solvent.
본 발명에서 무기 나노 바인더가 1 중량부 미만으로 포함되면 도막의 경도 향상 등의 장점이 구현되지 않는 문제가 있을 수 있고, 20 중량부를 초과하여 포함되면 도료의 저장안정성 및 도막의 내구성에 문제가 있을 수 있고 도막 형성시에 가루화가 발생할 수도 있다.In the present invention, when the inorganic nano binder is included in less than 1 part by weight, there may be a problem that the advantages such as improvement of the hardness of the coating film may not be realized. And powdering may occur during coating film formation.
본 발명에서 무기 나노 바인더는 여러가지 타입의 콜로이달 실리카 및 기타 당업계의 유사 계통 콜로이드상 금속산화물 중 상기의 유기 바인더와 상용성에 문제가 없는 것을 사용해야 한다. 상용성이라 함은 상온에서 혼합시에 seed 혹은 엉김, 입도 증가, 침전, 겔화 등이 없어야 함을 의미한다. 수계 분산물의 특성상 점도 혹은 레올로지에서 약간의 변화는 겔화가 아니라면 무시할 수 있다. 본 발명에서 사용될 수 있는 무기 나노 바인더는 예를 들면, Grace 사의 Ludox TM(상품명), Ludox HS-30(상품명), Nissan 케미칼 사의 Snowtex N(상품명) 등이 사용될 수 있으나 이에 제한되는 것은 아니다.In the present invention, the inorganic nano binder should be used in various types of colloidal silica and other similar system colloidal metal oxides in the art, which have no compatibility problem with the organic binder. Compatibility means that there should be no seed or agglomeration, particle size increase, precipitation, gelation, etc. when mixing at room temperature. Due to the nature of the aqueous dispersion, slight changes in viscosity or rheology are negligible unless they are gelled. Examples of the inorganic nanobinder that can be used in the present invention include, but are not limited to, Ludox TM (trade name), Ludox HS-30 (trade name) manufactured by Grace, Snowtex N (trade name) manufactured by Nissan Chemical, and the like.
본 발명에서 상기의 유기 바인더로 폴리염화비닐리덴 공중합체 에멀젼과 무기 나노 바인더는 도료 내에서 고형분 기준으로 100 : 5 내지 30의 혼합비를 갖는 것이 바람직한데 무기 나노 바인더의 함량이 상기 범위에 미달할 경우 도막의 경도 향상 등의 장점이 구현되지 않는 문제가 있을 수 있고, 무기 나노 바인더의 함량이 상기 범위보다 높아질 경우 경화도막이 미세한 균열에 의해 부스러질 수 있으며, 도료 자체의 저장안정성 또한 저해될 수 있다. In the present invention, it is preferable that the polyvinylidene chloride copolymer emulsion and the inorganic nanobinder as the organic binder have a mixing ratio of 100: 5 to 30 on a solids basis in the paint, but the content of the inorganic nanobinder is less than the above range. There may be a problem that the advantages such as improving the hardness of the coating film is not implemented, and when the content of the inorganic nano binder is higher than the above range, the cured coating film may be broken by fine cracks, and the storage stability of the paint itself may also be impaired.
본 발명에서 바인더의 주 용제로는 물이 사용된다. 물은 도료 내 각 입자의 분산매 내지는 각종 화합물의 용매로 작용하며, 도료에 추가로 투입할 경우 희석제로도 사용된다. 주 용제로 사용되는 물은 본 발명의 도료가 친환경적인 특성을 갖 는데 매우 중요한 요소이다. 상기 물은 청수 혹은 탈이온수를 사용하는 것이 바람직하다.In the present invention, water is used as the main solvent of the binder. Water acts as a solvent for the dispersion medium or various compounds of each particle in the paint, and is also used as a diluent when added to the paint. Water used as the main solvent is a very important factor for the environmentally friendly paints of the present invention. As the water, it is preferable to use fresh water or deionized water.
본 발명의 수용성 방청도료 조성물은, 바람직하게는 조성물 전체 100 중량부에 대하여 무기방청제를 2 내지 10 중량부 포함한다. 본 발명에서 사용 가능한 무기방청제는 금속소지에 도장된 도료 내부에서 부동태 피막을 형성하여 부식의 전기화학적인 회로를 단절시켜 소지의 부식을 억제하는 물질들을 의미한다. 본 발명에서 무기방청제는 인산아연 화합물이나 인산알루미늄 등의 무독성 방청제를 사용함이 바람직하며, 칼슘이온교환 산화규소계를 사용할 경우 무기 나노 바인더와의 상용성에 주의하여 사용하여야 한다.The water-soluble antirust coating composition of the present invention preferably contains 2 to 10 parts by weight of an inorganic rust preventive agent based on 100 parts by weight of the total composition. Inorganic anti-corrosive agent that can be used in the present invention means a material that forms a passive film inside the paint coated on the metal substrate to break the electrochemical circuit of corrosion to inhibit the corrosion of the substrate. In the present invention, the inorganic rust inhibitor is preferably a non-toxic rust preventive agent such as zinc phosphate compound or aluminum phosphate. When calcium ion exchange silicon oxide is used, it should be used with caution in compatibility with inorganic nano binders.
본 발명에서 무기방청제는 예를 들면, 징크포스페이트, 징크포스페이트하이드레이트, 알루미늄포스페이트, 칼슘하이드로겐포스페이트, 징크알루미늄포스페이트, 스트론튬징크포스포실리케이트, 칼슘포스페이트, 칼슘이온교환실리카, 스트론튬포스포실리케이트, 칼슘보로실리케이트 등이 사용될 수 있으나 이에 제한되는 것은 아니다.In the present invention, the inorganic anti-corrosive agent is, for example, zinc phosphate, zinc phosphate hydrate, aluminum phosphate, calcium hydrogen phosphate, zinc aluminum phosphate, strontium zinc phosphosilicate, calcium phosphate, calcium ion exchange silica, strontium phosphosilicate, calcium boho Rosilicate may be used, but is not limited thereto.
본 발명에서 무기방청제가 2 중량부 미만일 경우나 10 중량부를 초과하여 포함될 경우 방청성 및 도료의 안정성에 좋지 않은 영향을 미칠 수 있다. 각 무기방청제는 효과를 극대화시키기 위해 다른 무기방청제와 일정한 비율로 혼합하여 사용할 수 있다.In the present invention, when the inorganic rust preventive agent is included in an amount less than 2 parts by weight or in excess of 10 parts by weight, it may adversely affect the rust resistance and the stability of the paint. Each inorganic rust inhibitor can be mixed with other inorganic rust inhibitors in a certain ratio to maximize the effect.
본 발명의 수용성 방청도료 조성물은 바람직하게는 조성물 전체 100 중량부에 대하여 체질안료를 15 내지 25 중량부 포함한다. 본 발명에서 체질안료가 15 중량부 미만일 경우 도막의 경도가 낮아질 수 있고, 25 중량부를 초과하면 부착이 다소 저하되거나 경화도막이 미세균열을 일으킬 수도 있으며, 내수성 및 방청성에 좋지 않은 영향을 미칠 수 있다.The water-soluble rust-preventive coating composition of the present invention preferably contains 15 to 25 parts by weight of extender pigment based on 100 parts by weight of the total composition. In the present invention, when the extender pigment is less than 15 parts by weight, the hardness of the coating film may be lowered. When the extender pigment is more than 25 parts by weight, the adhesion may be slightly lowered or the cured coating film may cause microcracks, which may adversely affect water resistance and rust resistance.
본 발명에서 체질안료는 예를 들면, 수용성 방청도료에 일반적으로 사용되는 탄산칼슘, 실리카, 돌로마이트, 탈크, 바륨설페이트, 카올린, 마이카, 월라스토나이트, 클로라이트, 알루미늄실리케이트, 알루미늄하이드록사이드 등이 사용될 수 있으나 이에 제한되는 것은 아니다. 이들은 도막의 경도, 물성 등의 발현을 위해 단독 또는 혼합하여 사용할 수 있다.In the present invention, the extender pigment is, for example, calcium carbonate, silica, dolomite, talc, barium sulfate, kaolin, mica, wollastonite, chlorite, aluminum silicate, aluminum hydroxide, and the like, which are generally used in water-soluble rust preventive paints. It may be used, but not limited to. These can be used individually or in mixture for expression of hardness, physical property, etc. of a coating film.
본 발명의 수용성 방청도료 조성물은 바람직하게는 조성물 전체 100 중량부에 대하여 조막조제를 1 내지 5 중량부 포함한다. 본 발명에서 조막조제는 도막이 형성될 시 바인더의 융착을 도와 도막을 더 치밀하게 하고 소지에 대한 젖음 효율을 좋게 하여 부착을 향상시킬 수 있다. 또한, 에멀젼 바인더의 최저도막형성온도를 낮추어 낮은 온도에서의 수용성 도료의 도막형성을 돕는다. The water-soluble rust-preventive coating composition of the present invention preferably contains 1 to 5 parts by weight of a film forming aid based on 100 parts by weight of the total composition. In the present invention, the film forming aid may help to fusion of the binder when the coating film is formed, thereby making the coating film more dense and improving the wetting efficiency on the substrate, thereby improving adhesion. In addition, the minimum coating film formation temperature of the emulsion binder is lowered to help form the coating film of the water-soluble paint at a low temperature.
본 발명에서 조막조제가 1 중량부 미만으로 포함되면 저온(10℃ 이하)에서 도장 시 갈라짐 등의 문제가 있을 수 있고, 5 중량부를 초과하여 포함되면 건조시간이 너무 느려져 작업성에 문제가 있을 수 있다.In the present invention, when the film preparation is included in less than 1 part by weight, there may be a problem such as cracking when applied at a low temperature (10 ° C. or less). .
본 발명에서 조막조제는 예를 들면, Eastman 사의 Texanol(상품명), Dow 사 의 Butyl carbitol(상품명), Butyl Cellosolve(상품명) 등이 사용될 수 있으나 이에 제한되는 것은 아니다.In the present invention, the film preparation may be used, for example, Eastman's Texanol (trade name), Dow's Butyl carbitol (trade name), Butyl Cellosolve (trade name) and the like, but is not limited thereto.
본 발명의 수용성 방청도료 조성물은 그 필요에 따라 다양한 첨가제를 추가로 포함할 수 있다. 예를 들면 분산물의 안정화 및 에멀젼수지와 무기 나노바인더의 상용성 등을 위해 분산제 및 계면활성제 등을 포함할 수 있다. 또한, 도료 저장중의 침전 등을 방지하고 작업성을 확보하기 위해 요변성 조절제들을 첨가 할 수 있다. 기포안정화를 막기 위해 소포제도 포함할 수 있다.The water-soluble antirust coating composition of the present invention may further include various additives as necessary. For example, a dispersant and a surfactant may be included for stabilization of the dispersion and compatibility of the emulsion resin and the inorganic nanobinder. In addition, thixotropic modifiers may be added to prevent sedimentation during paint storage and to ensure workability. Defoamers may be included to prevent bubble stabilization.
이러한 첨가제들의 예로는 분산제의 경우 BYK 사의 Disperbyk-190(상품명), DOW 사의 Orotan-1850E(상품명)등이 있고, 계면활성제의 경우 알킬페놀에톡실레이트(APEO) 물질을 함유하지 않은 Airproduct 사의 Surfynol 104(상품명)등이 있으며, 요변성 조절제의 경우 Hercules 사의 Natrosol +330(상품명) 등이 있으나 이에 제한되는 것은 아니다.Examples of such additives include Disperbyk-190 (trade name) from BYK and Orotan-1850E (trade name) from DOW for the dispersant, and Surfynol 104 from Airproduct, which does not contain alkylphenol ethoxylate (APEO) substances for surfactants. (Trade name), and the thixotropic modifier includes, but is not limited to, Natrosol +330 (trade name) of Hercules.
본 발명의 수용성 방청도료 조성물은 종래의 수용성 방청도료에 비해 획기적으로 향상된 방청성 및 내수성을 가지고, 도막의 경도(hardness) 및 내스크래치성을 동시에 증가시켜 뛰어난 내구성을 가지며, 휘발성 유기화합물을 최소화 할 수 있기에 매우 친환경적인 도료이다.The water-soluble rust-preventive coating composition of the present invention has significantly improved anti-rusting and water resistance compared to the conventional water-soluble rust-preventive coating, has excellent durability by simultaneously increasing the hardness (hardness) and scratch resistance of the coating film, it can minimize the volatile organic compounds It is a very environmentally friendly paint.
이하에서 본 발명을 실시예로서 보다 구체적으로 설명한다. 다만 실시예는 본 발명의 이해를 돕기 위하여 예시되는 것일 뿐 이에 의하여 본 발명의 범위가 제한되는 것은 아니다.Hereinafter, the present invention will be described in more detail as examples. However, the embodiments are only illustrated to help the understanding of the present invention, and the scope of the present invention is not limited thereto.
밀베이스의 제조Manufacture of wheat base
녹이 슬지 않는 용기에 물 14g, 계면활성제(APEO free) 1g, 증점제 0.3g, 소포제 0.3g을 넣고 약 30분간 교반한 후, 습윤분산제 0.5g을 투입하고 다시 5분간 교반하였다. 이어서, 무기방청제 및 체질안료를 서서히 교반하면서 투입하고 무기방청제 및 체질안료의 투입이 완료되면 교반기의 임펠라 가장자리의 선속도가 18~21m/s가 되도록 분당 회전수를 높여 15분간 분산하였다. 14 g of water, 1 g of surfactant (APEO free), 0.3 g of thickener, and 0.3 g of antifoam were added to the container, which was not rusted, and stirred for about 30 minutes. Then, 0.5 g of a wet dispersant was added and stirred for another 5 minutes. Subsequently, the inorganic rust preventive agent and the extender pigment were slowly added while stirring, and when the addition of the inorganic rust preventive agent and the extender pigment was dispersed for 15 minutes by increasing the rotation speed per minute such that the linear velocity of the impeller edge of the stirrer was 18-21 m / s.
이때, 실시예 1의 경우 무기방청제는 Zinc phosphate를 사용하고, 체질안료는 탈크를 사용하였다. 실시예 2의 경우 무기방청제는 Zinc phosphate와 칼슘이온교환 실리카를 사용하고, 체질안료는 탈크를 사용하였다. 실시예 3의 경우 무기방청제는 Zinc phosphate를 사용하고, 체질안료는 바라이트를 사용하였다. 그 함량은 표 1에 표기된 비율과 같다.At this time, in the case of Example 1, the inorganic rust preventive agent was used zinc phosphate, sieving pigment was used talc. In the case of Example 2, the inorganic rust preventive agent was used zinc phosphate and calcium ion exchange silica, sieving pigment was used talc. In the case of Example 3, the inorganic rust inhibitor used Zinc phosphate, and the extender pigment used barite. The content is the same as the ratio shown in Table 1.
실시예 1Example 1
상기 분산된 밀베이스에 무기 나노 바인더(Grace 사의 Ludox HS-30(상품명)) 15g, 폴리염화비닐리덴 공중합체(Lubrizol 사의 Permax-805(상품명)) 40g을 순서대로 투입하고 10분간 교반 후, 착색제 1g, 조막조제 2g, 일시방청제 0.4g을 투입하고 약 10분간 교반하여 수용성 방청도료 조성물을 얻었다.15 g of an inorganic nano binder (Grace Ludox HS-30 (trade name)) and 40 g of polyvinylidene chloride copolymer (Permax-805 (trade name) of Lubrizol) were sequentially added to the dispersed mill base, followed by stirring for 10 minutes. 1 g, film preparation 2 g, and 0.4 g of temporary rust preventive agent were added and stirred for about 10 minutes to obtain a water-soluble rust-preventive coating composition.
실시예 2Example 2
상기 분산된 밀베이스에 무기 나노 바인더 3g, 폴리염화비닐리덴 공중합체 40g을 순서대로 투입하고 10분간 교반 후, 착색제 1g, 조막조제 2g, 일시방청제 0.4g을 투입하고 약 10분간 교반하여 수용성 방청도료 조성물을 얻었다.3 g of inorganic nano binder and 40 g of polyvinylidene chloride copolymer were sequentially added to the dispersed mill base, followed by stirring for 10 minutes. Then, 1 g of colorant, 2 g of film forming agent, and 0.4 g of temporary rust preventive agent were added and stirred for about 10 minutes. A composition was obtained.
실시예 3Example 3
상기 분산된 밀베이스에 무기 나노 바인더 15g, 폴리염화비닐리덴 공중합체 40g을 순서대로 투입하고 10분간 교반 후, 착색제 1g, 조막조제 2g, 일시방청제 0.4g을 투입하고 약 10분간 교반하여 수용성 방청도료 조성물을 얻었다.15 g of inorganic nano binder and 40 g of polyvinylidene chloride copolymer were sequentially added to the dispersed mill base, followed by stirring for 10 minutes. Then, 1 g of colorant, 2 g of film-forming aid, and 0.4 g of temporary rust preventive agent were added and stirred for about 10 minutes to form an aqueous antirust coating. A composition was obtained.
비교예 1Comparative Example 1
상기 분산된 밀베이스에 아크릴 에멀젼(Dow chemical 사의 Avanse MV-100(상품명)) 40g을 투입하고 10분간 교반 후, 착색제 1g, 조막조제 2g, 일시방청제 0.4g을 투입하고 약 10분간 교반하여 수용성 방청도료 조성물을 얻었다.40 g of an acrylic emulsion (Avanse MV-100 (trade name) of Dow Chemical Co., Ltd.) was added to the dispersed mill base, and stirred for 10 minutes. Then, 1 g of colorant, 2 g of crude film preparation, and 0.4 g of temporary rust preventive agent were added and stirred for about 10 minutes to soluble in water. A coating composition was obtained.
비교예 2Comparative Example 2
상기 분산된 밀베이스에 무기 나노 바인더 15g, 아크릴 에멀젼 40g을 순서대로 투입하고 10분간 교반 후, 착색제 1g, 조막조제 2g, 일시방청제 0.4g을 투입하고 약 10분간 교반하여 수용성 방청도료 조성물을 얻었다.15 g of inorganic nano binder and 40 g of acrylic emulsion were sequentially added to the dispersed mill base, and after stirring for 10 minutes, 1 g of colorant, 2 g of film forming aid, and 0.4 g of temporary rust preventive agent were added and stirred for about 10 minutes to obtain a water-soluble antirust coating composition.
비교예 3Comparative Example 3
상기 분산된 밀베이스에 폴리염화비닐리덴 공중합체 40g을 투입하고 10분간 교반 후, 착색제 1g, 조막조제 2g, 일시방청제 0.4g을 투입하고 약 10분간 교반하여 수용성 방청도료 조성물을 얻었다.40 g of polyvinylidene chloride copolymer was added to the dispersed mill base and stirred for 10 minutes. Then, 1 g of colorant, 2 g of film-forming aid, and 0.4 g of temporary rust preventive agent were added and stirred for about 10 minutes to obtain a water-soluble rust-preventive coating composition.
물성의 평가Evaluation of physical properties
상기 실시예 1 내지 3 및 비교예 1 내지 3에서 준비된 도료를 1.5T 냉간 압연 강판에 건조도막두께 80 마이크론으로 에어스프레이 도장한 후, 23±2℃의 온도, 50± 10%의 상대습도 조건에서 최소 7일간 건조하였다. 이때 건조실 내부의 환기를 실시하면서 도막면에 강한 바람이 직접 닿지 않게 하였다.The paints prepared in Examples 1 to 3 and Comparative Examples 1 to 3 were air sprayed onto a 1.5T cold rolled steel sheet with a dry coating thickness of 80 microns, at a temperature of 23 ± 2 ° C. and a relative humidity of 50 ± 10%. Dry at least 7 days. At this time, while the inside of the drying chamber is ventilated, strong wind is not directly in contact with the coating film surface.
1. 방청성 1. Antirust
방청성의 시험방법은 ASTM B117을 따르고, 그 판정은 ASTM D714의 수포와 녹 발생빈도 판정법을 따랐다.The test method for rust resistance was in accordance with ASTM B117, and the determination was made according to ASTM D714 blistering and rust incidence.
2. 내수성2. Water resistance
내수성 시험방법은 상기의 시편작성 방법으로 작성한 시편을 5일간 청수 침적하여 평가하며 그 판정은 ASTM D714의 수포와 녹 발생빈도 판정법을 따랐다. The water resistance test method evaluated the specimen prepared by the above specimen preparation method by fresh water deposition for 5 days, and the judgment followed the bleeding and rust incidence determination method of ASTM D714.
3. 3. 부착성Adhesion
부착성능의 시험방법은 ASTM D3359를 따랐다.The test method for adhesion performance was in accordance with ASTM D3359.
4. 경도4. Hardness
경도 시험방법은 ASTM D3363을 따랐다.The hardness test method followed ASTM D3363.
5. 5. 굴곡성능Flexural performance
굴곡성능의 시험방법은 ASTM D522를 따랐다.The test method of flexural performance was in accordance with ASTM D522.
상기 표 2의 결과에서 알 수 있는 바와 같이, 실시예 1 내지 3의 새로운 수용성 방청도료는 방청성이 기존의 기술에 비해 우수하면서, 금속 소지에 대한 부착력이 뛰어나며, 경도는 높아져 도막의 표면 스크래치 특성이 우수해지면서도 유연한 도막을 갖는 특성을 보였다. 특히, 일반적인 아크릴 에멀젼을 사용한 비교예 1은 방청성이 매우 떨어지며, 일반적인 아크릴 에멀젼에 무기 나노 바인더를 단순 추가 한 비교예 2의 경우 오히려 내수성이 떨어지거나, 폴리염화비닐리덴 공중합체 만을 사용한 비교예 3의 경우 방청성은 우수하나 도막의 경도 및 내수성이 떨어지는 경향을 보였다. 이에 비해, 실시예 1 내지 3의 폴리염화비닐리덴 공중합체와 무기 나노 바인더가 적절히 조합된 수용성 방청도료의 경우 우수한 방청성과 함께 뛰어난 기계적 물성까지 동시에 나타냄을 알 수 있었다.As can be seen from the results of Table 2, the new water-soluble rust-preventive paints of Examples 1 to 3 are excellent in rust resistance compared to the existing technology, excellent adhesion to the metal base, the hardness is high surface scratch characteristics of the coating film It showed excellent and flexible coating. In particular, Comparative Example 1 using a common acrylic emulsion is very poor in rust prevention, Comparative Example 2 in which the inorganic nano-binder is simply added to the general acrylic emulsion, rather than water resistance, or using only polyvinylidene chloride copolymer of Comparative Example 3 In this case, the rust resistance was excellent, but the hardness and water resistance of the coating film were inferior. On the contrary, in the case of the water-soluble rust-preventive coatings in which the polyvinylidene chloride copolymers and inorganic nanobinders of Examples 1 to 3 were properly combined, it was found that the rust-preventive coatings exhibited excellent corrosion resistance and excellent mechanical properties simultaneously.
Claims (8)
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| KR101731578B1 (en) | 2015-10-30 | 2017-05-02 | 대원강업주식회사 | Water-soluble paint composition with improved corrosion resistance |
| KR102081265B1 (en) | 2019-07-05 | 2020-02-25 | 이태희 | Environmental―friendly waterproof paint compositions |
| KR102080810B1 (en) | 2019-07-05 | 2020-02-25 | 이태희 | Waterproofing method of environmental―friendly paint compositions |
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| KR101499624B1 (en) * | 2014-08-21 | 2015-03-09 | 김민수 | Water-soluble anticorrosive paint composition |
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| CN106280745A (en) * | 2016-09-14 | 2017-01-04 | 四川力久云智知识产权运营有限公司 | A kind of anticorrosive coating of improvement |
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| KR101731578B1 (en) | 2015-10-30 | 2017-05-02 | 대원강업주식회사 | Water-soluble paint composition with improved corrosion resistance |
| KR102081265B1 (en) | 2019-07-05 | 2020-02-25 | 이태희 | Environmental―friendly waterproof paint compositions |
| KR102080810B1 (en) | 2019-07-05 | 2020-02-25 | 이태희 | Waterproofing method of environmental―friendly paint compositions |
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| CN102482527A (en) | 2012-05-30 |
| WO2011030999A1 (en) | 2011-03-17 |
| KR20110026956A (en) | 2011-03-16 |
| CN102482527B (en) | 2016-05-11 |
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