CN1296044A - Low surface energy repelling type dirt-proof paint and use method thereof - Google Patents
Low surface energy repelling type dirt-proof paint and use method thereof Download PDFInfo
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- CN1296044A CN1296044A CN 99122500 CN99122500A CN1296044A CN 1296044 A CN1296044 A CN 1296044A CN 99122500 CN99122500 CN 99122500 CN 99122500 A CN99122500 A CN 99122500A CN 1296044 A CN1296044 A CN 1296044A
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- Prior art keywords
- coating
- coupling agent
- fluorochemicals
- silane coupling
- coating according
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- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 10
- 239000003973 paint Substances 0.000 title claims description 15
- 230000001846 repelling effect Effects 0.000 title claims description 7
- 239000011248 coating agent Substances 0.000 claims abstract description 39
- 238000000576 coating method Methods 0.000 claims abstract description 39
- 239000000463 material Substances 0.000 claims abstract description 26
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 18
- 239000002904 solvent Substances 0.000 claims abstract description 5
- 239000000843 powder Substances 0.000 claims description 21
- 239000003795 chemical substances by application Substances 0.000 claims description 19
- 235000002566 Capsicum Nutrition 0.000 claims description 12
- -1 methacryloxy Chemical group 0.000 claims description 12
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 11
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 11
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 10
- 240000008574 Capsicum frutescens Species 0.000 claims description 8
- 239000006002 Pepper Substances 0.000 claims description 8
- 235000016761 Piper aduncum Nutrition 0.000 claims description 8
- 235000017804 Piper guineense Nutrition 0.000 claims description 8
- 235000008184 Piper nigrum Nutrition 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 claims description 8
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 7
- 239000011737 fluorine Substances 0.000 claims description 7
- 229910052731 fluorine Inorganic materials 0.000 claims description 7
- 239000004593 Epoxy Substances 0.000 claims description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 6
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 6
- 239000006229 carbon black Substances 0.000 claims description 6
- 239000007822 coupling agent Substances 0.000 claims description 6
- 229920002313 fluoropolymer Polymers 0.000 claims description 6
- 239000012764 mineral filler Substances 0.000 claims description 6
- 239000002966 varnish Substances 0.000 claims description 6
- 235000002732 Allium cepa var. cepa Nutrition 0.000 claims description 5
- 239000004925 Acrylic resin Substances 0.000 claims description 4
- 229920000178 Acrylic resin Polymers 0.000 claims description 4
- 239000001390 capsicum minimum Substances 0.000 claims description 4
- 239000011280 coal tar Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 3
- 229920001577 copolymer Polymers 0.000 claims description 3
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 3
- 239000006185 dispersion Substances 0.000 claims description 3
- 125000003700 epoxy group Chemical group 0.000 claims description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 3
- 235000011194 food seasoning agent Nutrition 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 3
- 239000004094 surface-active agent Substances 0.000 claims description 3
- 239000004408 titanium dioxide Substances 0.000 claims description 3
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 3
- 229920002554 vinyl polymer Polymers 0.000 claims description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 2
- BERDEBHAJNAUOM-UHFFFAOYSA-N copper(I) oxide Inorganic materials [Cu]O[Cu] BERDEBHAJNAUOM-UHFFFAOYSA-N 0.000 claims description 2
- LBJNMUFDOHXDFG-UHFFFAOYSA-N copper;hydrate Chemical compound O.[Cu].[Cu] LBJNMUFDOHXDFG-UHFFFAOYSA-N 0.000 claims description 2
- 239000004005 microsphere Substances 0.000 claims description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 2
- 229920003987 resole Polymers 0.000 claims description 2
- 244000291564 Allium cepa Species 0.000 claims 1
- 244000203593 Piper nigrum Species 0.000 claims 1
- 230000003373 anti-fouling effect Effects 0.000 abstract description 14
- 241000894006 Bacteria Species 0.000 abstract description 7
- 239000000758 substrate Substances 0.000 abstract description 5
- 150000001875 compounds Chemical class 0.000 abstract description 4
- 231100000252 nontoxic Toxicity 0.000 abstract description 4
- 230000003000 nontoxic effect Effects 0.000 abstract description 4
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 239000004568 cement Substances 0.000 abstract description 3
- 229910052751 metal Inorganic materials 0.000 abstract description 3
- 239000002184 metal Substances 0.000 abstract description 3
- 239000000853 adhesive Substances 0.000 abstract description 2
- 230000001070 adhesive effect Effects 0.000 abstract description 2
- 238000001035 drying Methods 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000002023 wood Substances 0.000 abstract 2
- 239000002519 antifouling agent Substances 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 abstract 1
- 238000002791 soaking Methods 0.000 abstract 1
- 230000007797 corrosion Effects 0.000 description 8
- 238000005260 corrosion Methods 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- 241000722363 Piper Species 0.000 description 7
- 238000011160 research Methods 0.000 description 7
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 238000009472 formulation Methods 0.000 description 5
- 231100000614 poison Toxicity 0.000 description 5
- 241000234282 Allium Species 0.000 description 4
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 4
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 4
- 239000002574 poison Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 3
- 230000003115 biocidal effect Effects 0.000 description 3
- 239000000049 pigment Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229910021653 sulphate ion Inorganic materials 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000008199 coating composition Substances 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 239000004922 lacquer Substances 0.000 description 2
- 235000016709 nutrition Nutrition 0.000 description 2
- 230000035764 nutrition Effects 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 241000282414 Homo sapiens Species 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 229920000180 alkyd Polymers 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 230000010100 anticoagulation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- XMQFTWRPUQYINF-UHFFFAOYSA-N bensulfuron-methyl Chemical compound COC(=O)C1=CC=CC=C1CS(=O)(=O)NC(=O)NC1=NC(OC)=CC(OC)=N1 XMQFTWRPUQYINF-UHFFFAOYSA-N 0.000 description 1
- 229940088623 biologically active substance Drugs 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- YKPUWZUDDOIDPM-SOFGYWHQSA-N capsaicin Chemical compound COC1=CC(CNC(=O)CCCC\C=C\C(C)C)=CC=C1O YKPUWZUDDOIDPM-SOFGYWHQSA-N 0.000 description 1
- 229960002504 capsaicin Drugs 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000012258 culturing Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002848 electrochemical method Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- FWDBOZPQNFPOLF-UHFFFAOYSA-N ethenyl(triethoxy)silane Chemical compound CCO[Si](OCC)(OCC)C=C FWDBOZPQNFPOLF-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- PYNUOAIJIQGACY-UHFFFAOYSA-N propylazanium;chloride Chemical compound Cl.CCCN PYNUOAIJIQGACY-UHFFFAOYSA-N 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229960001866 silicon dioxide Drugs 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-O sulfonium Chemical compound [SH3+] RWSOTUBLDIXVET-UHFFFAOYSA-O 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Paints Or Removers (AREA)
Abstract
The present invention belongs to the field of environmental protection antifouling coating material technology, and is characterized by that it is mainly comprised of bonding material, silane coupling agent, fluorine-contained compound, acrid type natural antifouling agent, inorganic filling material and solvent, and its application method includes the following steps: firstly, preparing said coating material, then soaking the wood or wooden product or net in the container containing said coating material for dozens of minutes, taking out the soaked material and naturally drying. Said invented product is non-toxic, does not contaminate environment, resist bacteria and marine aufwuch formation, and possesses good adhesive power on the substrates of metal, wood and cement, can be directly used as primer, its surface is smooth, can be repeatedly washed.
Description
The invention belongs to environmental protection antifouling paint technical field, particularly a kind of silane coupling agent that contains, the prescription and the use of the antifouling paint of fluorochemicals and the natural stain control agent of pungent type.
Antifouling paint is a kind of special coating that is used for bottom of ship and marine facility.More than 2000 kind of fouling organism arranged in the ocean, and modal have 50～100 kinds.Seashore and the places, bay of living in more than half are arranged.The larva of fouling organism or spore can floatingly move about, and develop into and will settle down on adherance behind the certain phase down.Deepwater boats and ships, drilling unit, bay building and other underwater facilities very easily suffer halobiontic stained.Fouling organism is extremely serious to the harm of boats and ships.If hull has biological attachment, the duricrust of the very fast formation of hull bottom settled organism, what have thickly reaches tens centimetres, thereby reduces the speed of a ship or plane, increases energy consumption, accelerated corrosion, reduction of service life.According to statistics, if stained rate reaches 5%, energy consumption will increase by 10%.Therefore, antifouling problem is the problem that people pay close attention to always, along with the development of navigation, shipbuilding, has adopted a series of means to reach antifouling effect.
So far all anti-fouling methods mainly are to add the inorganic or organism of metals such as Cu, Sn, Hg, Pb, Bi in protective coating (these compounds are all poisonous usually; so the stain control agent custom is called the poison material); by the release of poison material dirt settling is poisoned, in addition dead.But the release of poison material causes the pollution of the bay water surface, biomutation occurs, destroys the marine ecology balance and brings harm to human beings'health.To this, developed country limits or forbids the use of toxicity antifouling paint in recent years one after another by legal means, force ocean industry and research and development department, quicken to develop nontoxic antifouling product peculiar to vessel, many countries include the exploitation of this series products in the great environment-friendly engineering in ocean and great technical field, give special support.
In recent years,, carried out surfacing research though start with from Surface Science, condition of surface research, surface charging research, hydrophobic hydrophilic balance research, critical surface tension research obtains many achievements.But, cost an arm and a leg and be difficult to carry out always because of the technical application complexity.The goal in research of this respect turns to again in the research of nontoxic antifouling paint at present, start with from ecology, the compound that have hydrophilic radical and the more effective biologically active substance (do not produce pollute or low pollute) more excellent by the biotechnology searching replace the poison material in the present antifouling paint.
The objective of the invention is for overcoming the weak point of prior art, a kind of low surface energy, repelling type dirt-proof paint are provided, make it have nontoxic, free from environmental pollution, antibacterium and anti-marine life adheres to generation, in substrates such as metal, timber, cement, all has good adhesive, can directly be used as priming paint, smooth surface has very low surface energy, be difficult for the contamination dirt, can be by advantage such as washing repeatedly.
The present invention proposes a kind of low surface energy, repelling type dirt-proof paint, it is characterized in that, mainly by binding material, silane coupling agent, fluorochemicals, the natural stain control agent of pungent type, mineral filler and solvent physical mixed form, and wherein the weight percent of each component is: binding material: 50-80; Silane coupling agent 0.01-10; Fluorochemicals 0.1-10; The natural stain control agent 1-20 of pungent type; Mineral filler 5-30; Solvent 5-15.
Described silane coupling agent can be and contains in amino, epoxy group(ing), vinyl or the methacryloxy one or more.
Described coupling agent, its wetted area can be 300～500m
2/ g.
Described silane coupling agent, the addition in coating is formed can be 0.1%～2%.
Described fluorochemicals can be one or more of solid powdery or liquid fluoroplastics, fluorine surfactant or fluorine coating.
Described fluoroplastics can be polytetrafluoroethylene (PTFE), perfluoroethylene-propylene (FEP), tetrafluoroethylene-perfluorovinyl sulfide ether copolymer (PFA) a kind of.
Described fluorochemicals, the granular size of its dispersion are generally less than 50 microns.
Described fluorochemicals can be 0.2～5% at coat composed addition.
The natural stain control agent of described pungent type can be one or more of pepper, capsicum and onion.
The natural stain control agent of described pungent type can be Powdered, and its granularity generally is not more than 100 microns.
Described binding material is a ship coating, or epoxy coal tar varnish, or Synolac or resol or acrylic resin or Resins, epoxy is a kind of.
Described mineral filler comprises one or more of white carbon black, talcum powder, wilkinite, iron oxide red powder, glass microsphere titanium dioxide, carbon black, Red copper oxide, aluminum oxide, zinc powder, chrome green powder.
Flux of the present invention mainly refers to gasoline, toluene, dimethylbenzene, lacquer thinner, and this prescription also can comprise a small amount of other compositions, as dispersion agent, anti-sludging agent, tensio-active agent, solidifying agent and pigment etc.
The present invention proposes a kind of method of using low surface energy, repelling type dirt-proof paint, it is characterized in that, at first prepares coating, timber or woodwork or netting gear is immersed in the container that contains coating reach dozens of minutes then, takes out and is soaked the thing seasoning.
Composition to invention further is explained as follows below.
Coating composition of the present invention contains silane coupling agent, silane coupling agent be exist simultaneously in the molecule two kinds of different in kinds, the different functional group of effect because of a big class organosilicon molecular compound, silane coupling agent can improve the cohesiveness of the different storeroom of two kinds of chemical property, the water tolerance of goods and machinery, electrical isolation and over-all properties such as anti-aging are improved, it also can be used for material surface modifying, makes material have performances such as anti-electrostatic, mildew-resistant and anticoagulation.
The present invention mainly considers the compatible character of macromolecule resin in coupling agent and the coating and required specific function for the selection of silane coupling agent, and the base material that will apply is had broad relatively suitability.The silane coupling agent that the present invention uses preferably contains the silane coupling agent of amino, epoxy group(ing), vinyl, methacryloxy, and the wetted area of these silane coupling agents is 300～500m
2/ g.These silane coupling agents are as single surface treatment, and formula concentration generally is no more than 2%, and actual use can be lower than 0.5%, but preferably is not less than 0.1%, because the too low method coupling agent with dipping of concentration may not cover substrate surface fully; And the too high meeting of concentration causes tectum too thick and produce be full of cracks, and general thickness is no more than 10 nanometers.Because being coated with the coupling agent major part that adds is dispersed in the coating, rather than covers substrate surface fully, therefore can not calculate and be coated with dosage according to the parameter of its wetted area, be 0.01～10% for the general addition of formulation for coating material coupling agent.
Coating of the present invention is formed the polymer fluorochemicals that contains low surface energy, the polymer fluorochemicals is meant that hydrogen atom on the carbochain is by a class organic fluoride of all or part of replacement of fluorine, the fluorochemicals that formulation for coating material of the present invention adopted comprises fluoroplastics, fluorine surfactant and fluorine coating etc., these chemical can be solid powderies and liquid, fluoroplastics are preferred, preferably polytetrafluoroethylene (PTFE), perfluoroethylene-propylene (FEP) and tetrafluoroethylene-perfluorovinyl sulfide ether copolymer (PFA).
PTFE is commonly called as the plastics king, and superior high-low temperature resistant is arranged, and resistance to chemical attack does not absorb water, and is not sticking, performances such as low-friction coefficient, and PTFE is difficult to by common liquid moistening, and its critical surface tension is 1.85 * 10
-2N/m, 104 ° of its contact angles, be maximum in the various materials, the surface energy of FEP is lower than PTFE, shows outstanding not viscosity, radiation resistance is better than PTFE10～100 times, degradation can not occur in 20 years in outdoor exposure, the melt viscosity of PFA is lower, is easy to processing, PFA is the same with FEP because melt fluidity is good, thereby the coatingsurface smooth finish that forms is good.
The fluorochemicals content that formulation for coating material of the present invention uses be weight percentage 0.1%～10%, the consumption of fluorochemicals is relevant with the size of its granularity, general requirement (regardless of solid or suspension), granularity is not more than 50 microns.
Coating of the present invention is formed and is contained the natural stain control agent of pungent type, comprises pepper, capsicum and onion etc., the function that these natural stain control agents have is antibiotic, prevent the marine life growth, and these stain control agents do not destroy natural, ecological, and are free from environmental pollution.The advantage of using natural stain control agent is that wherein effective ingredient such as release rate such as capsaicine is slower, helps long-acting use.These stain control agents are made generally in powder and use, and the preparation method is as follows: after sophisticated pepper, capsicum or onion are plucked, clean and remove moisture, pulverizing then, mechanical grinding or the manual powder that is milled into, sieve after the drying then, make it become powder less than 100 microns, kept dry is standby.
Coating formula of the present invention is fit to add various fillers, comprising white carbon black, and talcum powder, wilkinite, mica, glass microballon, iron oxide red powder, chrome green powder, carbon dust etc.The vapour deposition silicon-dioxide of high-ratio surface, wilkinite, being added with of gac etc. is beneficial to the small stain control agent powder of absorption, prolongs the time of releasing of effective constituent, thereby improves the acceptable life of coating.
Introduce embodiments of the invention below.
Embodiment one: be used for the prescription that timber or woodwork or marine netting gear are handled.
Component title weight percent %
Alkyd or phenolic varnish 70
PFA 1
γ-glycidyl ether propyl trimethoxy silicane 0.2
γ-methacryloxy-propyl trimethoxy silicane 0.2
Red chilly powder 4
Pepper powder 1
Onion powder 1
Powdered carbon 2
Gasoline 20
Pigment 0.6
After dozens of minutes in the coating of the above prescription of required protection article immersion, take out seasoning, also can brush or spray two to three times, the coatingsurface hydrophobic of formation, corrosion resistant, antifouling.
Embodiment 2: the formulation for coating material that adheres to and grow that suppresses sulphate reducing bacteria.
Component title weight percent %
Epoxy coal tar varnish 62
FEP 1
γ-glycidyl ether propyl trimethoxy silicane 0.5
Octadecyl-3 (trimethoxy is silica-based) propyl ammonium chloride 0.5
Red chilly powder 10
Pepper powder 5
Iron oxide red powder 10
Wilkinite 5
Toluene 6
Be lost in some developed countries up to about 3% of gross national product by what corrosion caused; wherein 20% owing to microorganism is caused; particularly sulphate reducing bacteria absorbs nutrition by the reduced sulphur acid group; and be grown in body surfaces such as ship; reduction process produces sulfonium ion and causes acidity to change; thereby cause and accelerated corrosion that the coating of above-mentioned prescription can suppress adhering to of sulphate reducing bacteria well and grow, so protect body material not corroded effectively.
Experimental technique: get fresh seawater, add the proper nutrition composition, culturing bacterium to concentration improves 2 orders of magnitude approximately, to expose and scribble the carbon steel or the stainless steel sample of above-mentioned coating then puts into, observe the surface bacteria upgrowth situation with atomic force microscope (AFM), and testing corrosion speed with electrochemical method, the result shows on the steel sample exposed after about 7 days a large amount of parasitic bacterias and non-uniform corrosion takes place, and do not detect corrosion current on the steel sample that coating covers.
Embodiment three: the marine anti-pollution prescription
Component title weight percent %
Epoxy coal tar varnish 68.5
PTFE 1.5
γ-glycidyl ether propyl trimethoxy silicane 1
Red chilly powder 8
Pepper powder 7
Wilkinite 5
White carbon black 3
Dimethylbenzene 5
Pigment 1
Above paint formulation can be used by general antifouling constructional method, can directly be coated in the substrates such as iron and steel, timber, stone material, fishing net, has the function of good bonding force and mariner growth prevent growth.
Embodiment four: antibiotic corrosion resistant building coating prescription
Component title weight percent %
Epoxy resin varnish 64.5
PTFE 0.5
Vinyltriethoxysilane 1
Red chilly powder 1
Pepper powder 1
Iron oxide red powder 10
Chrome green 5
White cement 10
Lacquer thinner 5
Titanium dioxide 2
More than Pei Fang coating can be used for ground, timber, external wall, has the hardness height, wear-resisting, antibiotic, waterproof, anti-fouling functions.
Claims (13)
1, a kind of low surface energy, repelling type dirt-proof paint, it is characterized in that, mainly by binding material, silane coupling agent, fluorochemicals, the natural stain control agent of pungent type, mineral filler and solvent physical mixed form, and wherein the weight percent of each component is: binding material 50-80; Silane coupling agent 0.01-10; Fluorochemicals 0.1-10; The natural stain control agent 1-20 of pungent type; Mineral filler 5-30; Solvent 5-15.
2, coating according to claim 1 is characterized in that, wherein said silane coupling agent is to contain in amino, epoxy group(ing), vinyl or the methacryloxy one or more.
3, coating according to claim 1 is characterized in that, wherein said coupling agent, its wetted area are 300～500m
2/ g.
4, coating according to claim 1 is characterized in that, wherein said silane coupling agent, and the addition in coating is formed is 0.1%～2%.
5, coating according to claim 1 is characterized in that, wherein said fluorochemicals is one or more of solid powdery or liquid fluoroplastics, fluorine surfactant or fluorine coating.
6, coating according to claim 5 is characterized in that, wherein said fluoroplastics are polytetrafluoroethylene (PTFE), perfluoroethylene-propylene (FEP), tetrafluoroethylene-perfluorovinyl sulfide ether copolymer (PFA) a kind of.
7 according to claim 1,5 or 6 described methods, it is characterized in that, and wherein said fluorochemicals, the granular size of its dispersion is less than 50 microns.
8, according to claim 1,5 or 6 described methods, wherein said fluorochemicals is 0.2～5% at coat composed addition.
9, coating according to claim 1 is characterized in that, the natural stain control agent of wherein said pungent type is one or more of pepper, capsicum and onion.
According to claim 1 or 9 said coating, it is characterized in that 10, the natural stain control agent of wherein said pungent type is Powdered, its granularity is not more than 100 microns.
11, coating according to claim 1 is characterized in that, wherein said binding material is a ship coating, or epoxy coal tar varnish, or Synolac or resol or acrylic resin or Resins, epoxy is a kind of.
12, coating according to claim 1 is characterized in that, wherein said mineral filler comprises one or more of white carbon black, talcum powder, wilkinite, iron oxide red powder, glass microsphere titanium dioxide, carbon black, Red copper oxide, aluminum oxide, zinc powder, chrome green powder.
13, a kind of method of using low surface energy, repelling type dirt-proof paint is characterized in that, at first prepares coating, timber or woodwork or netting gear is immersed in the container that contains coating reach dozens of minutes then, takes out and is soaked the thing seasoning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99122500 CN1123608C (en) | 1999-11-12 | 1999-11-12 | Low surface energy repelling type dirt-proof paint and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99122500 CN1123608C (en) | 1999-11-12 | 1999-11-12 | Low surface energy repelling type dirt-proof paint and use method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1296044A true CN1296044A (en) | 2001-05-23 |
| CN1123608C CN1123608C (en) | 2003-10-08 |
Family
ID=5282505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99122500 Expired - Fee Related CN1123608C (en) | 1999-11-12 | 1999-11-12 | Low surface energy repelling type dirt-proof paint and use method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1123608C (en) |
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| CN102218889A (en) * | 2011-03-02 | 2011-10-19 | 北京化工大学 | Preparation method of inner wall super-hydrophobic surface of plastic bottle |
| CN103788812A (en) * | 2013-12-11 | 2014-05-14 | 青岛海洋新材料科技有限公司 | Marine antifouling nano paint |
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| CN102218889B (en) * | 2011-03-02 | 2013-06-19 | 北京化工大学 | Preparation method of inner wall super-hydrophobic surface of plastic bottle |
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