KR0143195B1 - Non-Contaminated Waterborne Coatings Containing Polymer Emulsion Resin Composition - Google Patents
Non-Contaminated Waterborne Coatings Containing Polymer Emulsion Resin CompositionInfo
- Publication number
- KR0143195B1 KR0143195B1 KR1019940016819A KR19940016819A KR0143195B1 KR 0143195 B1 KR0143195 B1 KR 0143195B1 KR 1019940016819 A KR1019940016819 A KR 1019940016819A KR 19940016819 A KR19940016819 A KR 19940016819A KR 0143195 B1 KR0143195 B1 KR 0143195B1
- Authority
- KR
- South Korea
- Prior art keywords
- weight
- parts
- emulsion
- polymer emulsion
- polymer
- 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.)
- Expired - Lifetime
Links
- 239000000839 emulsion Substances 0.000 title claims abstract description 53
- 238000000576 coating method Methods 0.000 title claims abstract description 50
- 229920000642 polymer Polymers 0.000 title claims abstract description 46
- 239000011342 resin composition Substances 0.000 title claims abstract description 10
- 239000000178 monomer Substances 0.000 claims abstract description 50
- 239000011248 coating agent Substances 0.000 claims abstract description 48
- 239000002245 particle Substances 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000011230 binding agent Substances 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 15
- 239000000049 pigment Substances 0.000 claims abstract description 12
- 239000000945 filler Substances 0.000 claims abstract description 9
- 239000002344 surface layer Substances 0.000 claims abstract description 9
- 239000007787 solid Substances 0.000 claims abstract description 8
- 239000000654 additive Substances 0.000 claims abstract description 4
- 230000009477 glass transition Effects 0.000 claims description 20
- 239000003973 paint Substances 0.000 claims description 16
- 239000003995 emulsifying agent Substances 0.000 claims description 8
- 239000010410 layer Substances 0.000 claims description 8
- 238000002360 preparation method Methods 0.000 claims description 7
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 4
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 4
- GNSFRPWPOGYVLO-UHFFFAOYSA-N 3-hydroxypropyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCCCO GNSFRPWPOGYVLO-UHFFFAOYSA-N 0.000 claims description 3
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 claims description 3
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 239000004014 plasticizer Substances 0.000 claims description 3
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 claims description 2
- WDQMWEYDKDCEHT-UHFFFAOYSA-N 2-ethylhexyl 2-methylprop-2-enoate Chemical compound CCCCC(CC)COC(=O)C(C)=C WDQMWEYDKDCEHT-UHFFFAOYSA-N 0.000 claims description 2
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims description 2
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 2
- GYCMBHHDWRMZGG-UHFFFAOYSA-N Methylacrylonitrile Chemical compound CC(=C)C#N GYCMBHHDWRMZGG-UHFFFAOYSA-N 0.000 claims description 2
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 2
- 239000002518 antifoaming agent Substances 0.000 claims description 2
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 2
- 239000002270 dispersing agent Substances 0.000 claims description 2
- UIWXSTHGICQLQT-UHFFFAOYSA-N ethenyl propanoate Chemical compound CCC(=O)OC=C UIWXSTHGICQLQT-UHFFFAOYSA-N 0.000 claims description 2
- 150000002734 metacrylic acid derivatives Chemical class 0.000 claims description 2
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 claims description 2
- 150000002825 nitriles Chemical class 0.000 claims description 2
- HJWLCRVIBGQPNF-UHFFFAOYSA-N prop-2-enylbenzene Chemical compound C=CCC1=CC=CC=C1 HJWLCRVIBGQPNF-UHFFFAOYSA-N 0.000 claims description 2
- 239000002904 solvent Substances 0.000 claims description 2
- 239000002562 thickening agent Substances 0.000 claims description 2
- 229920001567 vinyl ester resin Polymers 0.000 claims description 2
- 239000000080 wetting agent Substances 0.000 claims description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims 2
- OMIGHNLMNHATMP-UHFFFAOYSA-N 2-hydroxyethyl prop-2-enoate Chemical compound OCCOC(=O)C=C OMIGHNLMNHATMP-UHFFFAOYSA-N 0.000 claims 1
- GWZMWHWAWHPNHN-UHFFFAOYSA-N 2-hydroxypropyl prop-2-enoate Chemical compound CC(O)COC(=O)C=C GWZMWHWAWHPNHN-UHFFFAOYSA-N 0.000 claims 1
- 125000005396 acrylic acid ester group Chemical group 0.000 claims 1
- 230000002421 anti-septic effect Effects 0.000 claims 1
- XHIOOWRNEXFQFM-UHFFFAOYSA-N ethyl prop-2-enoate;prop-2-enoic acid Chemical compound OC(=O)C=C.CCOC(=O)C=C XHIOOWRNEXFQFM-UHFFFAOYSA-N 0.000 claims 1
- VOZRXNHHFUQHIL-UHFFFAOYSA-N glycidyl methacrylate Chemical compound CC(=C)C(=O)OCC1CO1 VOZRXNHHFUQHIL-UHFFFAOYSA-N 0.000 claims 1
- 239000003002 pH adjusting agent Substances 0.000 claims 1
- 238000000518 rheometry Methods 0.000 claims 1
- 239000002195 soluble material Substances 0.000 claims 1
- 229920002554 vinyl polymer Polymers 0.000 claims 1
- 239000008199 coating composition Substances 0.000 abstract description 8
- 239000000356 contaminant Substances 0.000 abstract description 4
- 238000010186 staining Methods 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 17
- 238000006116 polymerization reaction Methods 0.000 description 12
- 239000000203 mixture Substances 0.000 description 11
- -1 polyoxyethylene Polymers 0.000 description 9
- 239000003505 polymerization initiator Substances 0.000 description 8
- 239000004908 Emulsion polymer Substances 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000005202 decontamination Methods 0.000 description 6
- 230000003588 decontaminative effect Effects 0.000 description 6
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 238000009472 formulation Methods 0.000 description 4
- 230000000704 physical effect Effects 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 239000003945 anionic surfactant Substances 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000002736 nonionic surfactant Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium peroxydisulfate Substances [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 2
- VAZSKTXWXKYQJF-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)OOS([O-])=O VAZSKTXWXKYQJF-UHFFFAOYSA-N 0.000 description 2
- 229910001870 ammonium persulfate Inorganic materials 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 235000014113 dietary fatty acids Nutrition 0.000 description 2
- 238000007720 emulsion polymerization reaction Methods 0.000 description 2
- 229930195729 fatty acid Natural products 0.000 description 2
- 239000000194 fatty acid Substances 0.000 description 2
- 229920001519 homopolymer Polymers 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- 239000004342 Benzoyl peroxide Substances 0.000 description 1
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 1
- XZMCDFZZKTWFGF-UHFFFAOYSA-N Cyanamide Chemical compound NC#N XZMCDFZZKTWFGF-UHFFFAOYSA-N 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical class S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 description 1
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 1
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000005215 alkyl ethers Chemical class 0.000 description 1
- 125000005037 alkyl phenyl group Chemical group 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 235000019400 benzoyl peroxide Nutrition 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 239000012986 chain transfer agent Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010556 emulsion polymerization method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229920000592 inorganic polymer Polymers 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 150000001451 organic peroxides Chemical class 0.000 description 1
- NMHTWXYFOWTMJH-UHFFFAOYSA-N oxiran-2-ylmethyl 2-methylprop-2-enoate;prop-2-enoic acid Chemical class OC(=O)C=C.CC(=C)C(=O)OCC1CO1 NMHTWXYFOWTMJH-UHFFFAOYSA-N 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- JRKICGRDRMAZLK-UHFFFAOYSA-L persulfate group Chemical group S(=O)(=O)([O-])OOS(=O)(=O)[O-] JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229920002503 polyoxyethylene-polyoxypropylene Polymers 0.000 description 1
- 229920005606 polypropylene copolymer 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
- 239000003755 preservative agent Substances 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 239000006254 rheological additive Substances 0.000 description 1
- 235000017281 sodium acetate Nutrition 0.000 description 1
- 239000001632 sodium acetate Substances 0.000 description 1
- CIHOLLKRGTVIJN-UHFFFAOYSA-N tert‐butyl hydroperoxide Chemical compound CC(C)(C)OO CIHOLLKRGTVIJN-UHFFFAOYSA-N 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
Landscapes
- Paints Or Removers (AREA)
Abstract
일반 고분자 에멀젼보다 치밀한 도막을 형성하고 입자 표면층에 친수성 단량체를 포함하고 있는 복층 탄성 고분자 에멀젼 수지 조성물을 바인더로 사용한 비오염성 수성 도료가 개시되어 있다. 도료 배합 중에 바인더로서 고분자 에멀젼 수지 조성물 고형분 12.5 내지 50 중량부, 안료 15.0 내지 30.0 중량부, 충진제 10.0 내지 20.0 중량부, 도막 조제 0.4 내지 0.8 중량부, 및 기타 첨가제를 포함한다. 도막 표면이 비오염성이며, 물에 의한 오염물의 세척성이 우수하다.Discloses a non-fouling aqueous coating material using a multi-layered elastic polymer emulsion resin composition which forms a dense coating film than a general polymer emulsion and contains a hydrophilic monomer on the particle surface layer as a binder. In the coating composition, 12.5 to 50 parts by weight of a solid matter of a polymer emulsion resin composition, 15.0 to 30.0 parts by weight of a pigment, 10.0 to 20.0 parts by weight of a filler, 0.4 to 0.8 parts by weight of a coating aid, and other additives are contained as a binder. The surface of the coating film is non-staining, and the washing ability of contaminants caused by water is excellent.
Description
본 발명은 내오염성이 우수한 비오염성 수성 도료에 관한 것으로, 특히 일반 고분자 에멀젼 보다 치밀한 도막을 형성하고 입자 표면층에 친수성 단량체를 포함하고 있는 복층 탄성 고분자 에멀젼 수지 조성물을 바인더로 사용한 비오염성 수성도료에 관한 것이다.The present invention relates to a non-polluting water-based paint excellent in stain resistance and, more particularly, to a non-polluting water-based paint using a multi-layered elastic polymer emulsion resin composition which forms a dense coating film than a general polymer emulsion and contains a hydrophilic monomer on the particle surface layer will be.
최근 휘발 물질에 대한 환경 규제가 심화되고 있는 상황에서 고분자 에멀젼 수지를 바인더로 하는 도료 조성물의 사용량이 한층 증가하고 있으며 이와 더불어 동조성물에 대한 각종의 고도의 기능적 요구가 강화되고 있다. 예를 들어, 고분자 에멀젼 수지를 바인더로 사용하는 건축용 도료 분야에 있어서는 날로 악화되고 있는 외부 환경(산성비, 먼지, 산업분체물 등)에 대처하기 위하여 상온에서의 도막 표면 경도를 높여(즉, 도막 표면의 점착성이 낮음) 오염물이 부착되지 않도록 하는 도료의 개발이 요구되고 있다.In recent years, environmental regulations for volatile substances have been intensified, and the use amount of a coating composition using a polymer emulsion resin as a binder is further increased. In addition, various high functional requirements for the composition have been strengthened. For example, in the field of architectural paints using a polymer emulsion resin as a binder, it is necessary to increase the surface hardness of the coating film at room temperature (that is, to increase the surface hardness of the coating film It is required to develop a paint that prevents the adhesion of contaminants.
또한, 내부 건축용 도료의 경우에 있어서는 항상 깨끗한 도막의 유지를 위해 도막이 오염되었을 때 세척액으로 손쉽게 제거할 수 있는 기능도 부여되어야 한다.In the case of interior architectural coatings, it should also be provided with the function of being easily removed by the cleaning liquid when the coating film is contaminated in order to maintain a clean coating film at all times.
일반적으로 고분자 에멀젼을 바인더로 사용하는 도료에 있어서, 저온에서의 도막 형성을 양호하게 하기 위하여 유리전이온도가 낮은 모노머로 이루어진 고분자 에멀젼을 사용하던가 또는 가소제를 사용하는 방법을 이용하고 있지만 이러한 방법들의 경우는 도막 경도의 약화로 인한 점착성의 증가를 야기시켜 내오염성에 대한 만족한 품질을 얻을 수 없다. 결과적으로 이러한 일반적인 방법으로는 저온 도막 형성 조건과 내오염성을 동시에 만족시킬 수 없는 한계가 있다.Generally, in order to improve the formation of a coating film at a low temperature in a coating material using a polymer emulsion as a binder, a polymer emulsion made of a monomer having a low glass transition temperature is used or a method using a plasticizer is used. However, Causes an increase in the tackiness due to the decrease in the hardness of the coating film, so that the satisfactory quality for stain resistance can not be obtained. As a result, such a general method has a limitation that it can not simultaneously satisfy the conditions for forming a low temperature film and stain resistance.
이러한 문제의 해결을 위해서는 내부층 조성과 표면층 조성이 다른 입자로 된 에멀젼을 바인더로서 사용하는 것이 고려될 수 있으며 이러한 고분자 에멀젼은 다단계 중합법과 파워-피딩(POWER-FEEDING) 중합법 등을 이용한 유화 중합으로써 합성될 수 있다.In order to solve this problem, it may be considered to use an emulsion having particles having different inner layer composition and surface layer composition as a binder. Such a polymer emulsion can be obtained by emulsion polymerization using a multi-stage polymerization method and a power- . ≪ / RTI >
종래에는 도막 형성을 양호하게 하기 위해 입자의 내부층에 경질 성분, 표면층에 연질 성분이 분포하도록 중합 반응계에 공급하는 성분을 조절하는 방법을 사용하였다. 그러나, 이러한 방법으로 합성한 고분자 에멀젼을 바인더로 하는 도료에서 얻어진 건조 도막은 연질 성분이 표면에 분포하고 있기 때문에 내오염성 면에서 불충분하였다. 또한, 충분한 내오염성을 갖는 도막을 얻기 위한 수단으로써 내부층에 연질 성분, 표면층에 경질 성분이 분포하도록 반응계에 공급하는 성분을 조절하는 방법으로 고분자 에멀젼을 합성하여도, 얻어진 고분자 에멀젼의 최저 도막 형성 온도가 상당히 높아 이것을 도료에 사용할 경우 다량의 도막 형성 조제가 필요하게 되어 사실상 만족한 성질의 도료를 만드는 것이 곤란하였다.Conventionally, a method of adjusting the components to be supplied to the polymerization reaction system so that a hard component is distributed in the inner layer of the particles and a soft component is distributed in the surface layer is used in order to form the coating film well. However, the dried coating film obtained from the paint using the polymer emulsion synthesized by this method as a binder is insufficient in stain resistance because the soft component is distributed on the surface. Further, even when the polymer emulsion is synthesized by a method of controlling the components to be supplied to the reaction system such that the soft component and the hard component are distributed in the inner layer and the hard layer, respectively, as a means for obtaining a coating film having sufficient stain resistance, The temperature is considerably high, and when it is used for the coating material, a large amount of coating film forming preparation is required, and it is difficult to make a coating material having a satisfactory quality.
본 발명의 목적은 입자 내부층이 연질이고 표면층이 경질인 구조를 기본으로 하면서 표면층에 수산기 단량체를 포함하며, 보통의 에멀젼 입자경(0.25 - 1.0μm)을 가지면서 최저 도막 형성 온도가 낮아 저온에서의 도막 형성이 용이한 고분자 에멀젼 수지 조성물을 일반적인 이단계 유화 중합법에 의하여 제조하고, 이를 바인더로 사용하여 상온 하에서 내오염성이 우수한 도막을 얻을 수 있는 비오염성 수성 도료를 제공하고자 하는 것이다.(여기서 입자경은 MALVERN INSTRUMENTS Ltd. 의 MasterSizer 입자 분포 측정기를 이용해서 얻은 입자 분포도에서 평균 입자 크기를 말한다.)It is an object of the present invention to provide a coating composition containing a hydroxyl group monomer on the surface layer and having a normal emulsion particle size (0.25 - 1.0 탆) and a low minimum coating film formation temperature, The present invention is to provide a non-polluting water-based coating material which can be obtained by a general two-stage emulsion polymerization method which is easy to form a coating film and which is used as a binder to obtain a coating film excellent in stain resistance at room temperature. Refers to the average particle size in the particle distribution obtained using a MasterSizer particle size analyzer from MALVERN INSTRUMENTS Ltd.)
상기한 본 발명의 목적을 달성하기 위하여, 본 발명은 i ) 입자의 내부층을 구성하고, 유리전이온도가 -10℃ 내지 10℃ 범위이고 중합성 불포화 제1 단량체로 구성되는 1차 중합체와, 입자의 표면층을 구성하고, 유리전이온도가 15℃ 내지 50℃ 범위에 있고, 적어도 하나의 수산기 단량체를 포함하는 중합성 불포화 제2 단량체로 구성되는 2차 중합체로 구성된 고분자 에멀젼 입자 100 중량부, ii ) 1.0 내지 5.0 중량부의 유화제, 및 iii ) 80 내지 120 중량부의 이온 교환수로 구성되는, 바인더로서 사용되는 고분자 에멀젼 수지 조성물의 고형분 12.5 내지 50 중량부; 안료 15.0 내지 30.0 중량부; 충진제 10.0 내지 20.0 중량부; 도막 조제 0.4 내지 0.8 중량부; 및 기타 첨가제로 구성된 비오염성 수성 도료를 제공한다.In order to achieve the above object of the present invention, the present invention provides a process for preparing a polymer composition, comprising the steps of: i) mixing a primary polymer constituting an inner layer of particles and having a glass transition temperature in the range of -10 ° C to 10 ° C and composed of a polymerizable unsaturated first monomer, 100 parts by weight of a polymer emulsion particle constituted of a secondary polymer constituting the surface layer of the particles and having a glass transition temperature in the range of 15 to 50 캜 and consisting of a polymerizable unsaturated second monomer containing at least one hydroxyl group monomer, ) 1.0 to 5.0 parts by weight of an emulsifier, and iii) 80 to 120 parts by weight of ion-exchanged water, wherein the solid content of the polymer emulsion resin composition is 12.5 to 50 parts by weight; 15.0 to 30.0 parts by weight of pigment; 10.0 to 20.0 parts by weight of a filler; 0.4 to 0.8 parts by weight of a coating preparation; And other additives.
본 발명의 비오염성 수성 도료는 내부층에 유리전이온도가 -10℃∼10℃인 중합성 불포화 제1 단량체로 구성된 1차 중합체와, 표면층에 유리전이온도가 15℃∼50℃ 범위에 있는 중합성 불포화 제2 단량체로 구성된 2차 중합체로 구성된 고분자 에멀젼 입자를 포함하는 고분자 에멀젼 수지 조성물을 바인더로 사용하는 것을 특징으로 한다. 이와 같은 형태의 에멀젼을 만드는데는 물과 유화제의 존재 하에서 중합성 불포화 단량체를 유화 중합하는 방법을 사용하는데, 제조 방법에서의 특징은 다음과 같다.The non-fouling aqueous coating material of the present invention comprises a primary polymer composed of a polymerizable unsaturated first monomer having a glass transition temperature of -10 DEG C to 10 DEG C and an inorganic polymer having a glass transition temperature of 15 DEG C to 50 DEG C And a polymer emulsion resin composition comprising a polymer emulsion particle composed of a secondary polymer composed of an unsaturated second monomer as a binder. In order to produce such an emulsion, a method of emulsion polymerization of a polymerizable unsaturated monomer in the presence of water and an emulsifier is used.
i ) 중합 반응계에 일차로 투입된 중합성 불포화 단량체들의 중합체(1차 중합체)의 유리전이온도가 -10℃∼10℃이고, 반응 중합계에 이차로 투입된 중합성 불포화 단량체들의 중합체(2차 중합체)의 유리전이온도가 15℃∼50℃ 범위에 있어야 한다.(i) a polymer (secondary polymer) of the polymerizable unsaturated monomers charged in the polymerization system at a glass transition temperature of -10 ° C to 10 ° C of the polymer (primary polymer) of the polymerizable unsaturated monomers charged in the polymerization system, Lt; 0 > C to 50 < 0 > C.
ii ) 2차 중합체를 구성하는 불포화 단량체에는 수산기 단량체가 일종 이상 포함되어야 한다.ii) The unsaturated monomer constituting the secondary polymer should contain at least one hydroxyl group monomer.
iii ) 일차, 이차 투입 시간은 동일해야 하며, 유화제의 투입은 일차, 이차 투입 단계에서 동량으로 하든가 또는 일차 단계보다 이차 단계의 유화제 비율이 높은 조건으로 해야 한다.iii) The primary and secondary dosing times should be the same, and the injection of emulsifier should be the same at the primary, secondary dosing stage, or at a higher rate of secondary emulsifier than the primary.
여기서 1차 중합체의 유리전이온도(Ta)를 보다 상세하게 설명하면 다음과 같다.Here, the glass transition temperature (Ta) of the primary polymer will be described in more detail as follows.
중합체를 이루는 각각의 단량체를 M1, M2, M3… 라 하고, 각각의 중량분율을 W1, W2, W3… 라 하고, 각각의 단량체의 단독 중합체를 P1, P2, P3… 라 하고, 각각의 단독 중합체의 유리전이온도(절대온도)를 T1, T2, T3… 라 하면, Ta는 하기 수학식 1로 나타낼 수 있다.Each of the monomers constituting the polymer is represented by M 1 , M 2 , M 3 , La, each of the weight fractions W 1, W 2, W 3 ... And the homopolymer of each monomer is represented by P 1 , P 2 , P 3 , , And the glass transition temperature (absolute temperature) of each homopolymer is T 1 , T 2 , T 3 ... , Ta can be expressed by the following equation (1).
1차 중합체는 단량체 M1, M2, M3… 의 공중합체이고, Ta는 그 공중합체의 유리전이온도라고 한다. 2차 중합체의 유리전이온도(Tb)의 경우도 수학식 1로 계산하면 된다.The primary polymer is selected from the group consisting of monomers M 1 , M 2 , M 3 ... And Ta is referred to as the glass transition temperature of the copolymer. The glass transition temperature (Tb) of the secondary polymer can also be calculated by the following equation (1).
상기 유화 중합체의 제조 방법은 프리에멀젼(Pre-Emulsion) 이단계 중합 방법을 사용한다. 중합성 불포화 단량체를 물과 유화제의 존재 하에 안정하게 유화시켜 제1 단량체 프리에멀젼과 제2 단량체 프리에멀젼을 각각 만든 다음 제1 단량체 프리에멀젼을 반응계에 일정 시간 동안 공급하고 공급이 끝남과 동시에 계속해서 제2 단량체 프리에멀젼을 일정 시간 동안 공급하여 중합성 불포화 단량체를 유화 중합시키는 방법이다.The emulsion polymer is prepared by a pre-emulsion two-stage polymerization method. The polymerizable unsaturated monomer is stably emulsified in the presence of water and an emulsifier to form a first monomer pre-emulsion and a second monomer pre-emulsion, respectively. Then, the first monomer pre-emulsion is supplied to the reaction system for a predetermined time, And the second monomer pre-emulsion is supplied for a predetermined time to emulsion-polymerize the polymerizable unsaturated monomer.
이 때, 제1 단량체 프리에멀젼 및 제2 단량체 프리에멀젼의 공급 시간을 동일하게 하여 중합된 에멀젼 입자에서 제1 중합체와 제2 중합체의 성질이 같은 비율로 작용하도록 해야 한다. 또한, 제1 단량체 프리에멀젼의 공급이 끝난 후 시간적 여유를 주지 않고 곧바로 제2 단량체 프리에멀젼을 공급하는 것은 에멀젼 입자에서 내부층과 표면층의 성질이 어느 정도 겹쳐지도록 하여 에멀젼 입자의 전체적 성질을 내부층과 표면층의 성질이 혼합된 상태로 얻기 위함이다.At this time, the supply time of the first monomer pre-emulsion and the second monomer pre-emulsion should be the same so that the properties of the first polymer and the second polymer in the polymerized emulsion particles act in the same ratio. The provision of the second monomer pre-emulsion immediately after the supply of the first monomer pre-emulsion without providing a time margin allows the emulsion particles to have a certain degree of overlap with the properties of the inner layer and the surface layer, And the properties of the surface layer are mixed.
위의 방법으로 제조한 유화 중합체는 복층 구조를 갖게 되며 동시에 최저 도막 형성 온도와 유리전이온도의 차이가 15℃ 이상으로 나타난다. 즉, 제조된 에멀젼의 최저 도막 형성 온도는 제1 중합체의 유리전이온도에 가깝고 유리전이온도는 제1 중합체와 제2 중합체의 유리전이온도의 중간값을 나타내기 때문에 도료에 바인더로 사용할 때 저온에서의 도막 형성이 용이하면서 도막 경도가 높은 매우 유리한 성질을 갖게 된다.The emulsion polymer prepared by the above method has a multi-layer structure, and the difference between the lowest film forming temperature and the glass transition temperature is more than 15 ° C. That is, since the lowest coating film forming temperature of the prepared emulsion is close to the glass transition temperature of the first polymer and the glass transition temperature is intermediate between the glass transition temperature of the first polymer and the second polymer, It is easy to form a coating film, and the coating film hardness is highly advantageous.
본 발명의 고분자 에멀젼 합성에 이용한 중합성 불포화 단량체는 메틸메타크릴레이트, 2-에틸헥실메타크릴레이트, 2-하이드록시에틸메타크릴레이트, 하이드록시프로필메타크릴레이트, 부틸아크릴레이트, 글리시딜메타크릴레이트, 에틸아크릴레이트 같은 각종 아크릴산 에스테르류와 메타크릴산 에스테르류; 아크릴산, 메타크릴산, 이타코닉산 같은 각종 카르복실기를 함유하는 단량체류; 스티렌, α-메틸스티렌(styrene), 비닐톨루엔 같은 각종 방향족 비닐 화합물류; 초산비닐, 비닐프로오네이트 같은 각종 비닐 에스테르류; 아크릴로 니트릴, 메타크릴로 니트릴 같은 각종 불포화 니트릴류 등을 사용하고, 이러한 것들을 단독 또는 2종 이상 병용하여 사용할 수 있다.The polymerizable unsaturated monomer used in the synthesis of the polymer emulsion of the present invention may be at least one selected from the group consisting of methyl methacrylate, 2-ethylhexyl methacrylate, 2-hydroxyethyl methacrylate, hydroxypropyl methacrylate, butyl acrylate, glycidyl methacrylate Acrylates and methacrylates such as acrylate and ethyl acrylate; Monomers containing various carboxyl groups such as acrylic acid, methacrylic acid and itaconic acid; Various aromatic vinyl compounds such as styrene,? -Methylstyrene, and vinyltoluene; Various vinyl esters such as vinyl acetate and vinyl propionate; And various unsaturated nitriles such as acrylonitrile and methacrylonitrile. These may be used alone or in combination of two or more.
본 발명에 이용하는 유화제는 음이온 계면활성제 및 비이온 계면활성제 또는 이것들의 혼합물을 사용할 수 있다. 음이온 계면활성제는 폴리옥시에틸렌알킬페닐 에스테르산염, 알킬벤젠술폰산염, 각종 지방산염, 폴리옥시에틸렌폴리옥시프로필렌글리콜 에스테르류산염 등이 있고 비이온 계면활성제로는 폴리옥시에틸렌알킬에테르, 폴리옥시에틸렌알킬페닐에테르, 폴리옥시에틸렌 지방산 에스테르, 폴리옥시에틸렌 폴리프로필렌 공중합체 등이 있다. 이러한 유화제의 사용량은 중합성 불포화 단량체의 총량에 대해 1.0∼5.0 중량%의 범위에 있는 것이 적당하다.As the emulsifier used in the present invention, an anionic surfactant and a nonionic surfactant or a mixture thereof may be used. Examples of the anionic surfactant include polyoxyethylene alkylphenyl ester acid salts, alkylbenzenesulfonic acid salts, various fatty acid salts, and polyoxyethylene polyoxypropylene glycol ester esters. Nonionic surfactants include polyoxyethylene alkyl ethers, polyoxyethylene alkyl Phenyl ether, polyoxyethylene fatty acid ester, and polyoxyethylene polypropylene copolymer. The amount of such an emulsifier to be used is suitably in the range of 1.0 to 5.0% by weight based on the total amount of the polymerizable unsaturated monomers.
중합 개시제는 과황산칼륨, 과황산암모늄 같은 과황산염류와 t-부틸하이드로퍼옥사이드, 벤조일퍼옥사이드 같은 유기 과산화물류 등을 단독 또는 2종 이상 병용해서 사용할 수 있다. 특히 과산화물 중합 개시제는 금속 이온이나 환원제를 병용해서 사용하면 보다 효과적인 레독스 반응을 할 수 있다. 중합 개시제의 사용량은 중합성 불포화 단량체의 총량에 대해 0.2∼1.0 중량%의 범위에 있는 것이 적당하다.As the polymerization initiator, persulfates such as potassium persulfate and ammonium persulfate and organic peroxides such as t-butyl hydroperoxide and benzoyl peroxide may be used alone or in combination of two or more. Particularly, when peroxide polymerization initiator is used in combination with a metal ion or a reducing agent, a more effective redox reaction can be achieved. The amount of the polymerization initiator to be used is suitably in the range of 0.2 to 1.0% by weight based on the total amount of the polymerizable unsaturated monomers.
중합 개시제의 공급은 미리 반응기 중에 중합 개시제 수용액을 넣는 방법과 중합성 불포화 단량체의 프리에멀젼 중에 넣는 방법, 중합 개시제 수용액을 중합성 불포화 단량체 프리에멀젼과 동시에 반응기에 투입하는 방법, 또는 이러한 방법들을 병용하는 방법을 사용할 수 있다. 중합성 불포화 단량체의 공급 완료 후에 중합 개시제의 일부를 반응기에 추가로 공급하는 방법도 사용된다.The supply of the polymerization initiator may be carried out by a method in which an aqueous solution of the polymerization initiator is put in the reactor in advance, a method in which the polymerizable unsaturated monomer is put into the pre-emulsion, a method of putting the aqueous solution of the polymerization initiator into the reactor simultaneously with the polymerizable unsaturated monomer pre-emulsion, Method can be used. A method in which a part of the polymerization initiator is further supplied to the reactor after completion of the supply of the polymerizable unsaturated monomer is also used.
합성에 사용되는 물은 이온 교환수를 사용해야 하며, 사용량은 중합성 불포화 단량체의 총량에 대해 80-120 중량%의 범위가 적당하다. 그밖에 필요에 따라 메르캅탄류의 연쇄이동제 및 완충제(예: 중탄산나트륨, 초산나트륨)가 사용되며, 그 공급 방법은 미리 반응기에 넣는 방법과 중합성 불포화 단량체 프리에멀젼 중에 혼합해서 반응기에 투입하는 방법이 사용된다.The water used for the synthesis should be ion-exchanged water. The amount of the water used is suitably in the range of 80-120% by weight based on the total amount of the polymerizable unsaturated monomers. If necessary, a chain transfer agent and a buffer (for example, sodium bicarbonate, sodium acetate) of mercaptans are used. The feeding method is a method of putting in a reactor in advance and a method of mixing the mixture into a polymerizable unsaturated monomer pre- Is used.
반응계에 중합성 불포화 단량체를 공급하는 속도는 사용되는 단량체, 중합개시제 및 중합 온도 등에 의해 적절히 선택되는 것이 좋지만 보통 중합성 불포화 단량체 전체량이 2∼5시간에 걸쳐 공급되는 것이 적당하다. 반응계의 중합 온도는 70∼90℃ 범위가 적당하다.The rate of supplying the polymerizable unsaturated monomer to the reaction system is suitably selected according to the monomers to be used, the polymerization initiator, the polymerization temperature, and the like, but usually the total amount of the polymerizable unsaturated monomer is suitably supplied over 2 to 5 hours. The polymerization temperature of the reaction system is suitably in the range of 70 to 90 占 폚.
본 발명의 비오염성 수성 도료는 본 발명의 고분자 에멀젼 수지 조성물을 바인더로 사용하여 일반적인 에멀젼 도료의 제조 방법과 동일한 방법으로 제조된다. 즉, 안료, 충진제, 분산제, 습윤제, 증점제 또는 레올로지 조절제, 소포제, 도막조제, 방부제, 가소제, pH 조절제 등 각각의 목적으로 선택된 원료를 조합하여 제조한다.The non-polluting water-based coating material of the present invention is produced by the same method as that of a general emulsion paint using the polymer emulsion resin composition of the present invention as a binder. That is, a raw material selected for each purpose such as a pigment, a filler, a dispersant, a wetting agent, a thickener or a rheology modifier, a defoaming agent, a film preparation agent, a preservative, a plasticizer,
이하에서 본 발명의 실시예를 구체적으로 기술하지만, 본 발명은 이에 의해 제한되는 것은 아니다.Hereinafter, embodiments of the present invention will be described in detail, but the present invention is not limited thereto.
[실시예 1][Example 1]
교환기, 온도계, 콘덴서를 갖춘 2리터 4구 플라스크를 중합 반응장치로 사용했다. 제1 단량체 프리에멀젼과 제2 단량체 프리에멀젼을 아래의 배합으로 제조하였다.A 2-liter four-necked flask equipped with an exchanger, a thermometer and a condenser was used as a polymerization reactor. The first monomer pre-emulsion and the second monomer pre-emulsion were prepared in the following formulations.
* CYANAMID 제 음이온 계면활성제* CYANAMID anionic surfactant
촉매 용액은 이온 교환수 100부와 과황산암모늄 4부를 혼합하여 제조하였다. 반응기에 이온 교환수 273부를 투입하고 80℃로 가열한 다음 제1 프리에멀젼을 90분에 걸쳐 투입하고 계속해서 제2 프리에멀젼을 90분에 걸쳐 투입하였다. 동시에 촉매 용액을 180분에 결쳐 일정 속도로 투입하였다. 반응 중에는 반응 온도를 80℃±2℃로 일정하게 유지하고, 단량체 프리에멀젼과 촉매 용액의 투입이 완료된 후 80℃±2℃ 온도에서 60분 동안 유지시킨다. 그 후 반응기를 60℃로 냉각하여 25% 암모니아 16부를 10분 동안 투입하고 10분 동안 교반하였다. 반응기의 내용물을 200 메쉬(mexh) 망으로 여과하여 고형분 50%, 점도 110Ku, pH 7.0, 입자경 0.33μm, 최저 도막 형성 온도 2℃, 유리전이온도 17℃인 에멀젼 고분자를 얻었다.The catalyst solution was prepared by mixing 100 parts of ion-exchanged water and 4 parts of ammonium persulfate. The reactor was charged with 273 parts of ion-exchanged water and heated to 80 DEG C, then the first pre-emulsion was added over 90 minutes, and then the second pre-emulsion was continuously added over 90 minutes. At the same time, the catalyst solution was added at a constant rate over 180 minutes. During the reaction, the reaction temperature is kept constant at 80 ° C ± 2 ° C, and the polymerization is continued at 80 ° C ± 2 ° C for 60 minutes after completion of charging of the monomer pre-emulsion and the catalyst solution. The reactor was then cooled to 60 DEG C and 16 parts of 25% ammonia was added for 10 minutes and stirred for 10 minutes. The contents of the reactor were filtered through a 200 mesh (mexh) screen to obtain an emulsion polymer having a solid content of 50%, a viscosity of 110Ku, a pH of 7.0, a particle diameter of 0.33 mu m, a minimum coating film forming temperature of 2 DEG C, and a glass transition temperature of 17 DEG C.
[실시예 2][Example 2]
아래의 단량체 프리에멀젼 배합을 이용하여 실시예 1과 동일한 방법으로 제조하였다.Was prepared in the same manner as in Example 1, using the following monomer-free pre-emulsion formulation.
* Dongnam Chemical Industries Ltd. 비이온 계면활성제* Dongnam Chemical Industries Ltd. Nonionic surfactant
중합 결과 고형분 50%, 점도 100Ku, pH 6.8, 입자경 0.34μm, 최저 도막 형성 온도 3℃, 유리전이온도 18℃인 에멀젼 고분자를 얻었다.As a result of the polymerization, an emulsion polymer having a solid content of 50%, a viscosity of 100 Ku, a pH of 6.8, a particle diameter of 0.34 탆, a minimum coating film forming temperature of 3 캜 and a glass transition temperature of 18 캜 was obtained.
[비교예 1][Comparative Example 1]
아래의 단량체 프리에멀젼 배합을 이용하여 실시예 1과 동일한 방법으로 제조하였다.Was prepared in the same manner as in Example 1, using the following monomer-free pre-emulsion formulation.
중합 결과 고형분 49%, 점도 68Ku, pH 6.8, 입자경 0.32μm, 최저 도막 형성 온도 2℃, 유리전이온도 18℃인 에멀젼 고분자를 얻었다.As a result of the polymerization, an emulsion polymer having a solid content of 49%, a viscosity of 68Ku, a pH of 6.8, a particle diameter of 0.32 탆, a minimum coating film formation temperature of 2 캜 and a glass transition temperature of 18 캜 was obtained.
[비교예 2][Comparative Example 2]
아래의 단량체 프리에멀젼 배합을 이용하여 실시예 1과 동일한 방법으로 제조하였다.Was prepared in the same manner as in Example 1, using the following monomer-free pre-emulsion formulation.
중합 결과 고형분 49%, 점도 65Ku, pH 6.8, 입자경 0.33μm, 최저 도막 형성 온도 3℃, 유리전이온도 17℃인 에멀젼 고분자를 얻었다.As a result of the polymerization, an emulsion polymer having a solid content of 49%, a viscosity of 65Ku, a pH of 6.8, a particle size of 0.33 탆, a minimum coating film formation temperature of 3 캜 and a glass transition temperature of 17 캜 was obtained.
상기에서 얻어진 고분자 에멀젼을 바인더로 하여 제조된 도료의 오염 제거효과를 극대화하기 위해서는 도료 배합상에서 아래와 같은 조건들이 만족되어야 한다.In order to maximize the decontamination effect of the paint prepared using the polymer emulsion obtained above as a binder, the following conditions must be satisfied in the paint composition.
1. 도료의 안료용적비= 100×(안료용적)/(바인더 고형분용적 + 안료용적)가 50을 넘지 말아야 한다. 일반적으로 내부용 수성 도료인 KSM-5320의 경우 안료용적비가 60∼80의 범위이지만, 본 발명의 도료에 있어서는 안료용적비를 50 이하로 하였다. 그 이유는 안료용적비가 50 이상일 경우, 도막의 다공성이 증가하여 오염물의 도막 내부 침투가 손쉬워져 오염물 제거가 어렵게 되기 때문이다. 안료용적비에 따른 도료 물성 시험 결과는 표 1과 같다.1. Pigment volume ratio = 100 x (pigment volume) / (binder solid volume + pigment volume) should not exceed 50. Generally, in the case of KSM-5320 which is an internal water-based paint, the pigment volume ratio is in the range of 60 to 80, but in the paint of the present invention, the pigment volume ratio is 50 or less. The reason for this is that when the pigment volume ratio is 50 or more, the porosity of the coating film is increased, so that penetration of the contaminants into the coating film becomes easy, which makes it difficult to remove contaminants. Table 1 shows the results of the physical properties test according to the pigment volume ratio.
* 오염 제거성 : 도료 건조 도막을 필기구(유성펜, 볼펜, 수성펜, 연필, 색연필 등)에 의해 오염시킨 후 일정시간 경과 후에 물에 적신 거즈로 문지름.* Decontamination: The paint is rubbed with water-soaked gauze after a certain period of time after the dry film has been contaminated by writing instruments (oil pen, ball pen, water pen, pencil, colored pencil, etc.).
* GILSONITE STAIN TEST : 도료 건조 도막을 5% Gilsonite stain 용액으로 오염시킨 후 석유계 용제에 적신 거즈로 문지름.* GILSONITE STAIN TEST: Paint dry paint film with 5% Gilsonite stain solution and rub it with gauze soaked in petroleum solvent.
2. 도료 배합 상에 사용되는 충진제는 평균 입자경이 3∼30μm 범위어어야 한다. 일반적으로 내부용 수성 도료의 경우 평균 입자경이 0.1∼50μm 범위의 충진제를 사용하지만, 본 발명의 도료에 있어서는 충진제의 평균 입자경의 범위에 따라 오염 제거성에 큰 영향을 미친다. 충진제의 입자경에 따른 도료 물성 시험 결과는 표 2와 같다.2. The filler used in the coating formulation should have an average particle size in the range of 3 to 30 μm. In general, a filler having an average particle size in the range of 0.1 to 50 mu m is used for the water-borne coating material for internal use. However, in the coating material of the present invention, the decontamination property is greatly influenced by the range of the average particle size of the filler. Table 2 shows the results of the physical properties of the coating material according to the particle size of the filler.
[평가 기준 : 표 1과 같음][Evaluation Criteria: As shown in Table 1]
3. 도료 배합상에서 도막 조제는 비수용성 또는 수용성 성질을 갖는 것을 단독으로 사용하거나, 두가지 종류를 병행해서 사용할 수 있으며 사용량은 0.8% 이하 이어야 한다. 사용량이 너무 많으면 에멀젼 입자의 과다 용해로 인한 도막의 끈적거림 형상이 증가하여 오염 제거성에 악영향을 미치게 된다. 도막 조제의 종류와 사용량에 다른 도료 물성 시험 결과는 표 3과 같다.3. In coating formulations, the coating preparations may be used either alone or in combination with two types of water-insoluble or water-soluble substances. The amount used should not be more than 0.8%. If the amount is too large, the sticky shape of the coating film due to excessive dissolution of the emulsion particles is increased, thereby adversely affecting the decontamination property. Table 3 shows the results of the physical properties test for different types of coating preparations and amounts used.
[평가 기준 : 표 1과 같음][Evaluation Criteria: As shown in Table 1]
* 도료 배합에 사용된 중량%* Weight used in coating formulation%
상기에서 언급한 내용을 종합하여 오염 제거성을 극대화시킨 도료 배합은 표 4와 같으며 보다 구체적인 도료 배합 예를 표 5에 나타내었다. 표 4의 도료 배합에 본 발명에서 얻어진 고분자 에멀젼(실시예 1, 실시예 2)과 비교 고분자 에멀젼(비교예 1, 비교예 2)을 사용하여 제조된 도료의 물성 시험 결과는 표 6에 나타내었다.Table 4 summarizes the above-mentioned contents and maximizes the decontamination property. Table 5 shows a more specific example of the coating composition. Table 6 shows the results of the physical properties of the paints prepared using the polymer emulsion (Examples 1 and 2) obtained in the present invention and the comparative polymer emulsion (Comparative Example 1 and Comparative Example 2) in the coating compositions of Table 4 .
[평가 기준 : 표 1과 같음][Evaluation Criteria: As shown in Table 1]
상기 표 6에서 알 수 있는 바와 같이, 본 발명에 따른 고분자 에멀젼을 이용한 도료를 사용한 경우에는 오염 제거성 및 GILSONITE STAIN 시험에서 우수한 성능을 나타냈음을 알 수 있다.As can be seen from Table 6, when the paint using the polymer emulsion according to the present invention was used, it was found that excellent performance was obtained in the decontamination property and the GILSONITE STAIN test.
Claims (7)
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| KR102762188B1 (en) * | 2024-11-04 | 2025-02-03 | 김이삭 | Water-based acrylic anti-absorption composition for waterproofing surfaces of asphalt and concrete, wood and water-repellent |
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| KR102762188B1 (en) * | 2024-11-04 | 2025-02-03 | 김이삭 | Water-based acrylic anti-absorption composition for waterproofing surfaces of asphalt and concrete, wood and water-repellent |
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