CN103351763A - Organic silicon acrylic anticorrosive paint - Google Patents
Organic silicon acrylic anticorrosive paint Download PDFInfo
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- CN103351763A CN103351763A CN 201310247579 CN201310247579A CN103351763A CN 103351763 A CN103351763 A CN 103351763A CN 201310247579 CN201310247579 CN 201310247579 CN 201310247579 A CN201310247579 A CN 201310247579A CN 103351763 A CN103351763 A CN 103351763A
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Abstract
The invention relates to organic silicon acrylic anticorrosive paint. The organic silicon acrylic anticorrosive paint comprises the following components in parts by weight: 29-60 parts of organic silicon acrylic emulsion, 5-21 parts of amino resin, 2-15 parts of talcum powder, 5-26 parts of anticorrosive paint, 10-31 parts of deionized water and 0.5-1.6 parts of pH-value regulator. In the invention, the organic silicon acrylic anticorrosive paint has better corrosion resistance; and moreover, the coating hardness, the water resistance, the light resistance and the adhesion force of the prepared paint are obviously improved.
Description
Technical field
The present invention relates to technical field of coatings, relate in particular to a kind of acid-organosilicon crylic acid protective system.
Background technology
Protective system can use under severe condition, and have the long-effective corrosion life-span, generally is divided into conventional protective system and heavy-duty coating, is requisite a kind of coating in the paint.Conventional protective system is under general condition, and metal etc. is played etch-proof effect, the life-span that the protection non-ferrous metal uses; Heavy-duty coating refers to relatively conventional protective system, can use in relatively harsh corrosive environment, and have a class protective system that can reach than the conventional longer protection period of protective system.
Esters of acrylic acid coating has the good feature of environmental protection and advantages such as thermotolerance, weathering resistance, corrosion resistance nature well, but because the restriction of self structure, some weak point still at aspects such as hardness, pollution resistance, solvent resistances.In order to improve better the Corrosion Protection of acrylate paint, enlarge its range of application, need to carry out modification to acrylic ester emulsion.Common method of modifying has epoxy resin modification, organic-silicon-modified, nanometer particle-modified, organic fluorine modification etc., silicone modified acrylic resin is a kind of desirable macromolecular material, and the existing organosilicon-modified acrylic coating of China also comes with some shortcomings, for example: two-pack, the not environmental protection of volatilizing, and the poor quality, the shortcomings such as DeGrain.
How to make the suitable silicone modified acrylic resin of component in protective system, bring into play larger effect, make the coating that makes not only have more excellent antiseptic property, and having larger effect to become one of problem that is worth research aspect hardness, the anti-solvent.
Summary of the invention
The object of the invention is to provide a kind of acid-organosilicon crylic acid protective system, acid-organosilicon crylic acid protective system provided by the present invention not only has more excellent antiseptic property, and the hardness of film of the coating that makes, water tolerance, photostabilization, sticking power have all had obvious improvement.
A kind of acid-organosilicon crylic acid protective system provided by the invention, contain by weight following component: 29-60 part organosilicon-acrylic resin emulsion, 5-21 part aminoresin, 2-15 part talcum powder, 5-26 part anti-corrosion paint, 10-31 part deionized water, 0.5-1.6 part pH value conditioning agent.
As optimal technical scheme, acid-organosilicon crylic acid protective system provided by the invention, contain by weight following component: 40-60 part organosilicon-acrylic resin emulsion, 10-20 part aminoresin, 5-10 part talcum powder, 10-25 part anti-corrosion paint, 10-20 part deionized water, 0.5-1.5 part pH value conditioning agent.
Aminoresin is by the general name that contains the resin that amino compound and formaldehyde forms through polycondensation, and important resin has urea-formaldehyde resin (UF), terpolycyantoamino-formaldehyde resin (MF) and Polyamide-Polyamsne-Epichlorohydrin (PAE) etc.The paint film of making linking agent with aminoresin has good gloss, tint retention, hardness, resistance to chemical reagents, water-fast and weather resisteant etc.
Good physics, the chemical propertys such as talcum has oilness, anti-sticks, helps that stream, resistivity against fire, resistance to acid, insulativity, fusing point are high, chemical torpescence, opacifying power are good, softness, good luster, adsorptive power are strong.Adding to increase the stable of product characteristics in the coating, increase tensile strength, shearing resistance, and flexing intensity, pressure intensity reduces distortion, the extension rate, thermal expansivity, whiteness is high, the dispersed characteristics such as strong of epigranular.
As optimal technical scheme, acid-organosilicon crylic acid protective system provided by the invention, described organosilicon-acrylic resin emulsion contains following component by weight: 10-30 part methyl methacrylate (MMA), 10-30 part ammonium persulphate, 20-40 part butyl acrylate (BA), 10-20 part methacrylic acid (AA), 1-15 part silane coupling agent, 1-5 part peregal, 50 parts of 30-60 part deionized waters, 0.5-3.0 part alkylbenzene polyethers sodium sulfonate.
As optimal technical scheme, acid-organosilicon crylic acid protective system provided by the invention, described organosilicon-acrylic resin emulsion preferably contain following component by weight: 15-25 part methyl methacrylate (MMA), 15-25 part ammonium persulphate, 25-40 part butyl acrylate (BA), 15-20 part methacrylic acid (AA), 5-10 part silane coupling agent, 1-3 part peregal, 50 parts of 30-60 part deionized waters, 0.5-3.0 part alkylbenzene polyethers sodium sulfonate.
The hard monomer that in coating of the present invention, adds methyl methacrylate, the coating that emulsion is made has had good dark film hardness, photostabilization, improved the best film-forming temperature of emulsion, introduce the soft monomer of butyl acrylate, increase snappiness, sticking power, the water tolerance of coating, reduced the film-forming temperature of emulsion.Introduce unsaturated acid and the organosilane monomer that contains unsaturated double-bond, for above-mentioned unsaturated monomer provides cross-linking set, thereby make coating can be after being heated crosslinking curing, because during the supernatant liquid film forming, therefore polysiloxane generally is enriched in the multipolymer surface, introduces the hydroxyl polysiloxane and has greatly improved the water tolerance that emulsion is made coating.Peregal has good wet performance, and has preferably emulsification, dispersion, the performance such as cleans.
As optimal technical scheme, acid-organosilicon crylic acid protective system provided by the invention, described coating also comprise at least a in dispersion agent, defoamer, thickening material, the flow agent.Adding different auxiliary agents can make the corresponding performance of coating be improved.
As optimal technical scheme, acid-organosilicon crylic acid protective system provided by the invention, described dispersion agent are polycarboxylate sodium's type dispersion agent.
The dispersion of powder, wetting principle, the one, dispersant adsorption is in the powder particle, and the powder particle of cohesion is moistening; The 2nd, macromolecule dispersing agent is adsorbed on the powder particle surface, increases pigment and the interparticle surface charge of stopping composition, improves interparticle electrostatic repulsion, and has effectively increased interparticle sterically hinderedly, makes that the particle stabilized dispersion of powder becomes possibility in the liquid.Divide according to molecular structure, dispersion agent generally is divided into two large classes: inorganic dispersant and organic dispersing agent.In the majority with the polyphosphoric acid salt in the inorganic dispersant, such as Sodium hexametaphosphate 99, Potassium tripolyphosphate, sodium polyphosphate and tetrapotassium pyrophosphate.The mechanism of its effect is by hydrogen bond and chemisorption, plays the electrostatic repulsion stabilization.Its advantage is good to mineral dye and stopping composition dispersion effect, but with the rising of pH value and temperature, polyphosphoric acid salt easily is hydrolyzed, and is not good to extended storage stability.Organic dispersing agent comprises polyacrylate, polystyrene/maleic acid salt, polyisobutene/maleic acid salt etc.Their characteristics are, produce strong absorption or anchorage effect on the powder surface, have long molecular chain sterically hindered to form, and the end of the chain has water-soluble, and what have also auxiliaryly has an electrostatic repulsion, reaches stable result.
Organic dispersing agent is different because of its molecular weight, and performance can be different; Lower molecular weight type dispersion agent has the polar group that is close on one or more spaces, they are adsorbed on surface of pigments, be used for the stabilizing powder particle with spatial masking, thereby make viscosity degradation, this class dispersion agent is mainly used in mineral dye, because mineral dye is ionic structure, higher surface polarity is arranged, dispersion agent is easy to absorption.And pigment dyestuff contains C, H, O group because of its surface, without ionic activity, so often use the dispersion agent of high molecular, the more surface that group is adsorbed on pigment dyestuff of sticking is arranged, and it can form lasting adsorption layer at pigment dyestuff.But too Da Yi flocculation of the molecular weight of dispersion agent.So should select according to pigment and stopping composition type during the type of selection dispersion agent.
Dispersion agent of the present invention is preferably poly carboxylic acid sodium type dispersion agent.Reach emulsion paint stable system state according to dispersion agent best wet point to pigment and stopping composition in prescription, determine its optimum amount.
As optimal technical scheme, acid-organosilicon crylic acid protective system provided by the invention, described defoamer are the mixture of water drain silica and mineral oil.
Coating by produce, canned, transportation, construction all have mechanical force to forming the whole process of paint film at last, a large amount of air must be brought in the latex system, a large amount of foams can make the production operation difficulty, and plant factor is not enough, cause pigment and stopping composition to disperse insufficient, even can't produce down.It is to stay many defectives to filming that a large amount of foams brings graver results in the time of can giving construction, such as shrinkage cavity, and the film defects such as pin hole, crater.An effective defoamer acts on quite important in coating system.
Foam can be regarded as a quite a large amount of insoluble gas and is dispersed in dispersion in a small amount of liquid, is could form under the effect of mechanical force.Foam is unsettled in itself, sometimes because the effect of the thermal motion of liquid own is enough to make it to vanish.It is generally acknowledged that froth breaking mechanism can be divided into following Four processes: 1, defoamer is adsorbed onto the surface of foam; 2, defoamer is penetrated into the surface of foam; 3, defoamer spreads at foam surface, and the adsorption surface promoting agent; 4, foam tension imbalance-broken bubble.
By froth breaking mechanism as can be known, defoamer is the liquid of low surface tension, generally should have following characteristic: 1, the surface tension of defoamer is less than the surface tension that needs froth breaking liquid self; 2, the solubleness in needing the liquid of froth breaking is as far as possible little; 3, good dispersiveness to be arranged.4, can not react with the liquid of want froth breaking, can not affect the force of cohesion of pigment in the coating and the stability of emulsion.5, stronger diffusive force to be arranged.6, can not affect the performance of finished product emulsion paint.7, unpleasant odor can not be arranged.
Defoamer of the present invention is preferably the mixture of water drain silica and mineral oil.The consumption of defoamer can add according to those skilled in the art's general knowledge.
As optimal technical scheme, acid-organosilicon crylic acid protective system provided by the invention, described thickening material are the saline and alkaline swelling type latex composite compounding of the polyacrylic acid of water-soluble cellulose derivative and hydrophobically modified.
Coating and viscosity are closely related.It has a very important characteristic is exactly thixotropy.Thixotropic being characterised in that has when static certain very weak reticulated structure to form, and forms physical crosslinking such as the hydrogen bond between polymkeric substance; " crosslinked " that formed between the polymkeric substance by its polar adsorption take pigment particles as bridge all shows as thickening.Viscosity and shearing force then show as thixotropy, have applied viscosity degradation after the shearing force, and namely reticulated structure is destroyed; In case the shearing force of removing, reticulated structure progressively recovers, and viscosity rises again.It is a pseudo-plasticity phenomenon relevant with time and shearing force.When the desirable state of coating namely is storage, higher viscosity is arranged to stablize better whole system; During coating application, need lower viscosity to obtain to construct preferably levelling property.This thixotropy is to need to rely on a desirable rheology thickened systems just can reach, and its well this quiet one viscosity variation of moving of balance namely has preferably thixotropy.
According to its mechanism of action, can be divided into cellulose family, polyacrylic and non-ionic associative type polyurethane thickening material and inorganic thickening agent four large classes.
Cellulose thickener has methylcellulose gum, carboxymethyl cellulose (MC), Natvosol (HEC), Vltra tears (MHPC) etc., and wherein that the most frequently used is Natvosol (HEC).The thickening mechanism of cellulose thickener cellulose thickener is that hydrophobic main chain and ambient water molecule pass through hydrogen bond association, has improved the fluid volume of polymkeric substance itself, has reduced the space of Particle free activity, thereby has improved the system viscosity.The advantage of this class thickening material is that thickening efficiency is high, and shortcoming is that levelling property is poor.
Polyacrylate thickeners can be divided into two kinds basically: a kind of is the homopolymer of water miscible acrylate, and its thickening mechanism is, meet in the alkali and after, carboxylic acid ion is transformed into carboxylate salt.The formation of carboxylate salt causes interior molecules to be repelled, and polymkeric substance is extended, and along polymer chain, water molecules is adsorbed, and increases the viscosity of water; Another kind is homopolymer or the copolymer emulsion thickening material of vinylformic acid, methacrylic acid, its thickening mechanism is the hydrophilic chain of association type thickening and water association, and hydrophobic side and powder and latex particle association, form reticulated structure at aqueous phase, thereby increase the viscosity of system.Above these two kinds of thickening materials itself are acid, must just can reach thickening effectiveness with alkali or ammonia neutralization to pH8～9, are also referred to as propylene soda acid swelling thickening material.The relative cellulose thickener of this thickening material can be given film better levelling property and gloss.
The polyurethanes thickening material belongs to the associative thickener of non-ionic type, contains respectively hydrophilic radical and hydrophobic grouping in the molecular structure of this class thickening material, makes it present the character of certain tensio-active agent.When its concentration of aqueous solution surpasses a certain certain concentration, form micella, micella and polymer particle associate and form reticulated structure, and the system viscosity is increased.Several micellas of molecular band have on the other hand reduced the transport property of water molecules, and the water viscosity is also improved.This class thickening material not only exerts an influence to the rheological of coating, and and adjacent latex particle between exist and interact.The advantage of this class thickening is that good, anti-the splashing property of levelling property of filming is good, and shortcoming is that single use easily causes the latex layering.
Inorganic thickening agent is a class water-swelling and form thixotropic gel mineral.Mainly contain wilkinite, attapulgite, pure aluminium silicate etc., wherein wilkinite is the most commonly used.The inorganic thickening agent wilkinite is a kind of layered silicate, expand to form flocculent substance after the suction, has good suspension and dispersiveness, is combined into colloid with an amount of water, can discharge charged corpuscle in water, increases the system viscosity.
Usually two or more thickening materials mix use, can compensate the defective that single thickening material uses.So in actual applications, tend to adopt two kinds or above thickening material collocation use, to reach a desirable rheology
Thickening material of the present invention is preferably the saline and alkaline swelling type emulsion of polyacrylic acid of water-soluble cellulose derivative, hydrophobically modified.More preferably, the two composite use, the consumption of thickening material can add according to those skilled in the art's general knowledge.
As optimal technical scheme, acid-organosilicon crylic acid protective system provided by the invention, described flow agent are polyurethanes.
Flow agent is a kind of coatings additive(s) commonly used, it can impel coating in the drying and forming-film process, form one smooth, smooth, film uniformly.The flow agent kind is a lot, and the used flow agent kind of different coating also is not quite similar.Behind the coating application, have one to flow and the drying and forming-film process, then progressively form one smooth, smooth, film uniformly.Can film reach smooth smooth characteristic, is called levelling property.Shrinkage cavity is one of characteristic defective of producing in levelling and film process of coating.In the practice of construction process; because levelling property is bad; brush mark appears during brushing; tangerine peel appears when producing roller marks, spraying during roller coating; the phenomenons such as shrinkage cavity, pin hole, sagging appear in drying process together, all to be referred to as levelling property bad, the generation of these phenomenons has reduced decoration and the defencive function of coating.
The factor that affects the paint flow levelling is a lot, surface tension, wet-film thickness and the surface tension gradient of the volatilization gradient of solvent and solubility property, coating, rheological, construction technology and the environment etc. of coating, wherein most important factor is wet film produces in the surface tension, film process of coating surface tension gradient and the surface tension homogenizing ability on wet film top layer.Improve the levelling property of coating and need to consider to adjust prescription and add suitable auxiliary agent, make coating have the ability of suitable surface tension and reduction surface tension gradient.
Acid-organosilicon crylic acid protective system provided by the present invention not only has more excellent antiseptic property, and the hardness of film of the coating that makes, water tolerance, photostabilization, sticking power have all had obvious improvement.
Embodiment
Embodiment 1
A kind of acid-organosilicon crylic acid protective system, contain following component by weight:
29-60 part organosilicon-acrylic resin emulsion, 5-21 part aminoresin, 2-15 part talcum powder, 5-26 part anti-corrosion paint, 10-31 part deionized water, 0.5-1.6 part pH value conditioning agent.
Embodiment 2
In the present embodiment, a kind of acid-organosilicon crylic acid protective system, contain following component by weight:
30 parts of organosilicon-acrylic resin emulsions, 5 parts of aminoresin, 3 parts of talcum powder, 25 parts of anti-corrosion paints, 30 parts of deionized waters, 1.5 parts of pH value conditioning agents, 5 parts of defoamers, 2 parts of dispersion agents.
Organosilicon-acrylic resin emulsion contains following component by weight: 30 parts of methyl methacrylates (MMA), 30 parts of ammonium persulphates, 40 parts of butyl acrylates (BA), 10 parts of methacrylic acids (AA), 1 part of silane coupling agent, 1 part of peregal, 30 parts of deionized waters, 0.5 part of alkylbenzene polyethers sodium sulfonate.
Embodiment 3
In the present embodiment, a kind of acid-organosilicon crylic acid protective system, contain following component by weight:
60 parts of organosilicon-acrylic resin emulsions, 20 parts of aminoresin, 15 parts of talcum powder, 5 parts of anti-corrosion paints, 10 parts of deionized waters, 0.5 part of pH value conditioning agent.
Organosilicon-acrylic resin emulsion contains following component by weight: 10 parts of methyl methacrylates (MMA), 30 parts of ammonium persulphates, 20 parts of butyl acrylates (BA), 20 parts of methacrylic acids (AA), 15 parts of silane coupling agents, 5 parts of peregals, 50 parts, 3.0 parts alkylbenzene polyethers sodium sulfonates of 60 parts of deionized waters.
Embodiment 4
In the present embodiment, a kind of acid-organosilicon crylic acid protective system, contain following component by weight:
45 parts of organosilicon-acrylic resin emulsions, 15 parts of aminoresin, 10 parts of talcum powder, 15 parts of anti-corrosion paints, 20 parts of deionized waters, 1.0 parts of pH value conditioning agents, 5 parts of dispersion agents, 10 parts of defoamers, 10 parts of thickening materials, 2 parts of flow agents.
Organosilicon-acrylic resin emulsion contains following component by weight: 20 parts of methyl methacrylates (MMA), 20 parts of ammonium persulphates, 30 parts of butyl acrylates (BA), 15 parts of methacrylic acids (AA), 10 parts of silane coupling agents, 2 parts of peregals, 40 parts of deionized waters, 2.0 parts of alkylbenzene polyethers sodium sulfonates.
Coating provided by the present invention has extremely strong sticking power and good mechanical and physical performance, and the snappiness height is good, excellent in cushion effect, and wear resisting property is unique, and salt spray resistance, water-fast and alternation of wetting and drying is functional.
Applicant's statement, the present invention illustrates detailed process equipment and process flow process of the present invention by above-described embodiment, but the present invention is not limited to above-mentioned detailed process equipment and process flow process, does not mean that namely the present invention must rely on above-mentioned detailed process equipment and process flow process and could implement.The person of ordinary skill in the field should understand, any improvement in the present invention to the interpolation of the equivalence replacement of each raw material of product of the present invention and ancillary component, the selection of concrete mode etc., all drops within protection scope of the present invention and the open scope.
Claims (9)
1. acid-organosilicon crylic acid protective system, it is characterized in that, contain by weight following component: 29-60 part organosilicon-acrylic resin emulsion, 5-21 part aminoresin, 2-15 part talcum powder, 5-26 part anti-corrosion paint, 10-31 part deionized water, 0.5-1.6 part pH value conditioning agent.
2. coating according to claim 1, it is characterized in that, contain by weight following component: 40-60 part organosilicon-acrylic resin emulsion, 10-20 part aminoresin, 5-10 part talcum powder, 10-25 part anti-corrosion paint, 10-20 part deionized water, 0.5-1.5 part pH value conditioning agent.
3. coating according to claim 1 and 2, it is characterized in that, described organosilicon-acrylic resin emulsion contains following component by weight: 10-30 part methyl methacrylate (MMA), 10-30 part ammonium persulphate, 20-40 part butyl acrylate (BA), 10-20 part methacrylic acid (AA), 1-15 part silane coupling agent, 1-5 part peregal, 30-60 part deionized water, 0.5-3.0 part alkylbenzene polyethers sodium sulfonate.
4. each described coating according to claim 3, it is characterized in that, described organosilicon-acrylic resin emulsion contains following component by weight: 15-25 part methyl methacrylate (MMA), 15-25 part ammonium persulphate, 25-40 part butyl acrylate (BA), 15-20 part methacrylic acid (AA), 5-10 part silane coupling agent, 1-3 part peregal, 30-60 part deionized water, 0.5-3.0 part alkylbenzene polyethers sodium sulfonate.
5. each described coating is characterized in that according to claim 1-4, and described coating also comprises at least a in dispersion agent, defoamer, thickening material, the flow agent.
6. according to coating claimed in claim 5, it is characterized in that, described dispersion agent is polycarboxylate sodium's type dispersion agent.
7. according to coating claimed in claim 5, it is characterized in that, described defoamer is the mixture of water drain silica and mineral oil.
8. according to coating claimed in claim 5, it is characterized in that, described thickening material is the saline and alkaline swelling type latex composite compounding of the polyacrylic acid of water-soluble cellulose derivative and hydrophobically modified.
9. according to coating claimed in claim 5, it is characterized in that, described flow agent is polyurethanes.
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| CN 201310247579 CN103351763A (en) | 2013-06-20 | 2013-06-20 | Organic silicon acrylic anticorrosive paint |
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| CN 201310247579 CN103351763A (en) | 2013-06-20 | 2013-06-20 | Organic silicon acrylic anticorrosive paint |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104559601A (en) * | 2015-01-15 | 2015-04-29 | 淄博沃特曼普环保技术有限公司 | Metallic water-based paint |
| CN105001727A (en) * | 2015-06-18 | 2015-10-28 | 黎司华 | Water-borne acrylic primer and preparation method thereof |
| CN105400319A (en) * | 2015-11-27 | 2016-03-16 | 安徽锦洋氟化学有限公司 | Waterborne fluorocarbon metal baking paint for hull surface |
| CN105400318A (en) * | 2015-11-27 | 2016-03-16 | 安徽锦洋氟化学有限公司 | Water-based PVDF fluorocarbon metal stoving varnish for aluminum single plate |
| CN105885597A (en) * | 2016-05-05 | 2016-08-24 | 张小霞 | Anti-freezing anti-corrosive paint for surface of steel structure and preparation method thereof |
| CN106221487A (en) * | 2016-08-13 | 2016-12-14 | 安庆市荷花化工有限责任公司 | A kind of water-repellent paint for automobile collection box and preparation method thereof |
| CN107246216A (en) * | 2017-08-07 | 2017-10-13 | 合肥英源新材料科技有限公司 | A kind of manufacture method of the sash lock part of sliding window |
| CN107288454A (en) * | 2017-08-07 | 2017-10-24 | 合肥英源新材料科技有限公司 | A kind of sliding window |
| CN107288455A (en) * | 2017-08-07 | 2017-10-24 | 合肥英源新材料科技有限公司 | A kind of sash lock part of sliding window |
| CN107964301A (en) * | 2017-10-11 | 2018-04-27 | 张聪聪 | Water paint and preparation method |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104559601A (en) * | 2015-01-15 | 2015-04-29 | 淄博沃特曼普环保技术有限公司 | Metallic water-based paint |
| CN105001727A (en) * | 2015-06-18 | 2015-10-28 | 黎司华 | Water-borne acrylic primer and preparation method thereof |
| CN105400319A (en) * | 2015-11-27 | 2016-03-16 | 安徽锦洋氟化学有限公司 | Waterborne fluorocarbon metal baking paint for hull surface |
| CN105400318A (en) * | 2015-11-27 | 2016-03-16 | 安徽锦洋氟化学有限公司 | Water-based PVDF fluorocarbon metal stoving varnish for aluminum single plate |
| CN105400318B (en) * | 2015-11-27 | 2017-12-15 | 锦洋高新材料股份有限公司 | A kind of water-based PVDF fluorine carbon metal baking finish of aluminum veneer |
| CN105885597A (en) * | 2016-05-05 | 2016-08-24 | 张小霞 | Anti-freezing anti-corrosive paint for surface of steel structure and preparation method thereof |
| CN106221487A (en) * | 2016-08-13 | 2016-12-14 | 安庆市荷花化工有限责任公司 | A kind of water-repellent paint for automobile collection box and preparation method thereof |
| CN107246216A (en) * | 2017-08-07 | 2017-10-13 | 合肥英源新材料科技有限公司 | A kind of manufacture method of the sash lock part of sliding window |
| CN107288454A (en) * | 2017-08-07 | 2017-10-24 | 合肥英源新材料科技有限公司 | A kind of sliding window |
| CN107288455A (en) * | 2017-08-07 | 2017-10-24 | 合肥英源新材料科技有限公司 | A kind of sash lock part of sliding window |
| CN107964301A (en) * | 2017-10-11 | 2018-04-27 | 张聪聪 | Water paint and preparation method |
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Application publication date: 20131016 |