CN105778727A - Paint composition and building template - Google Patents
Paint composition and building template Download PDFInfo
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- CN105778727A CN105778727A CN201410805256.XA CN201410805256A CN105778727A CN 105778727 A CN105778727 A CN 105778727A CN 201410805256 A CN201410805256 A CN 201410805256A CN 105778727 A CN105778727 A CN 105778727A
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Abstract
The invention discloses a paint composition and a building template. The paint composition comprises a component (A) and a component (B), which are individually stored. The component (A) (100 parts by weight) comprises the following components in parts by weight: 10 to 30 parts of first resin material, 10 to 20 parts of organic silicon modified second resin material, 20 to 55 parts of organic silicon modified polyester resin, and 10 to 30 parts of inorganic filling material. The weight ratio of the component (B) to the component (A) is 10-30:100. In the component (A), the first resin material and the second resin material are individually selected from epoxy resin and/or acrylic resin; the surface energy of the organic silicon modified second resin material is 25 to 50 mN/m, and the surface energy of organic silicon modified polyester resin is 25 to 50 mN/m. The adhesion force between the coating formed by the paint composition and the base material of building template is strong, and cement can be easily separated.
Description
Technical field
The present invention relates to building material field, in particular it relates to a kind of coating composition and building template.
Background technology
The present building industry bound pair construction speed in multilamellar, large-scale building shopping centre etc. is increasingly faster, in order to reach this order ground, develops a lot of new material, such as builds now the aluminum alloy pattern plate that skyscraper adopts.This aluminum alloy pattern plate cement post, body of wall, floor manufacturing process in play Main Function.It is made as example with cement post, pieces together out the cavity (building cavity) of a concrete column by polylith template, afterwards casting cement inside, after theing cement solidifies, template is removed, just obtain a cement post.
But, current aluminum alloy pattern plate for building in use can produce a problem being generally not fee from, i.e. concrete column is dried, and template surface has adhesion with cement, and this adhesion can cause following problem:
(1) require great effort very much in the process remove template, waste substantial amounts of human and material resources, sometimes even concrete column can be struck bad.
(2) after template is removed, template surface also can the substantial amounts of concrete grey of adhesion.The removal of these concrete greys is also had a headache very much, and current methods used includes with acid bubble, and with wire brush, with scoop removal etc., but these methods all can not thoroughly solve this kind of situation.
(3) in order to solve the problem of the template surface a large amount of concrete grey of easy adhesion, a kind of commonly used method of present industry is exactly, and contacts the part spraying of cement at template surface or brushes releasing agent.Although the process that this way advantageously allows to remove template is relatively easy, but will spray or brush when building cavity each time, relatively cumbersome.
Summary of the invention
And the coating composition that with cement easily depart from excellent with the base material adhesive force of building template and building template after it is an object of the invention to provide a kind of solidification.
To achieve these goals, provide a kind of coating composition in one aspect of the invention, this coating composition includes the component A and component B of independent preservation, wherein, component A contains by 100 parts by weight: first resin material of 10-30 part, the second organic-silicon-modified resin material of 10-20 part, the silicone modified polyester resin of 20-55 part, and the inorganic filler of 10-30 weight portion；Component B contains firming agent, and the weight ratio of component B and component A is 10-30:100；In component A, the first resin material and the second resin material are separately selected from epoxy resin and/or acrylic resin, and the surface of the second organic-silicon-modified resin material can be 25-50mN/m, and the surface of silicone modified polyester resin can be 25-50mN/m.
Meanwhile, additionally providing a kind of building template in another aspect of the present invention, this building template includes base material, and is coated in base material and the coating on the phase veneer of cement, and its floating coat solidify to form after being mixed by component A in aforementioned coating composition and component B.
Aforementioned coating composition of the present invention and building template, can be the silicone modified polyester resin of 25-50mN/m and organic-silicon-modified the second resin material (epoxy resin and/or acrylic resin) by collaborative use surface, utilize organic-silicon-modified aforementioned resin because of surface relatively low the had hydrophobicity of energy, the state of a kind of disengaging it is between cement before making the coating formed by it and being unhardened, utilize the self lubricity that organic-silicon-modified aforementioned resin has simultaneously, enable the cement post after the coating formed by it and hardening and stick to the cement of coating surface and be easily disengaged from.And then avoid the waste of manpower and materials and follow-up loaded down with trivial details process step.
And, aforementioned coating composition of the present invention is while using silicone modified polyester resin, organic-silicon-modified epoxy resin and/or acrylic resin, also added without organic-silicon-modified the first resin material (epoxy resin and/or acrylic resin), and then utilize the toleration (such as salt spray resistance characteristic) that improve prepared coating without the characteristic that organic-silicon-modified epoxy resin and/or acrylic resin are own so that it is suitable in the use environment of building template.
Additionally, aforementioned coating composition of the present invention also with the addition of inorganic filler further, and then utilize inorganic filler to improve hardness and the wearability of prepared coating, and by mating silicone modified polyester resin, organic-silicon-modified the second organic-silicon-modified resin material, consumption without the first organic-silicon-modified resin material and inorganic filler, make prepared coating while having above-mentioned performance, also have and adhesive force excellent between base material in building template, can be attached in building template on the surface of base material, form stable architectural template structure.
Other features and advantages of the present invention will be described in detail in detailed description of the invention part subsequently.
Detailed description of the invention
It is described in detail below in conjunction with the specific embodiment of the present invention.It should be appreciated that detailed description of the invention described herein is merely to illustrate and explains the present invention, it is not limited to the present invention.
Described by background section, there is building template surface in the prior art and easily there is adhesion with cement, it is difficult to the technical problem of disengaging.In order to improve this technical problem, propose a kind of coating composition in the present invention, this coating composition includes the component A and component B of independent preservation, wherein component A contains by 100 parts by weight: first resin material of 10-30 part, the second organic-silicon-modified resin material of 10-20 part, the silicone modified polyester resin of 20-55 part, and the inorganic filler of 10-30 weight portion.Component B contains firming agent, and the weight ratio of component B and component A is 10-30:100.In component A, the first resin material and the second resin material are separately selected from epoxy resin and/or acrylic resin, and the surface of the second organic-silicon-modified resin material can be 25-50mN/m, and the surface of silicone modified polyester resin can be 25-50mN/m.
Aforementioned coating composition of the present invention, can be the silicone modified polyester resin of 25-50mN/m and organic-silicon-modified the second resin material (epoxy resin and/or acrylic resin) by collaborative use surface, utilize organic-silicon-modified aforementioned resin because of surface relatively low the had hydrophobicity of energy, the state of a kind of disengaging it is between cement before making the coating formed by it and being unhardened, utilize the self lubricity that organic-silicon-modified aforementioned resin has simultaneously, enable the cement post after the coating formed by it and hardening and stick to the cement of coating surface and be easily disengaged from.And then avoid the waste of manpower and materials and follow-up loaded down with trivial details process step.
And, aforementioned coating composition of the present invention is while using silicone modified polyester resin, organic-silicon-modified epoxy resin and/or acrylic resin, also added without organic-silicon-modified the first resin material (epoxy resin and/or acrylic resin), and then utilize the toleration (such as salt spray resistance characteristic) that improve prepared coating without the characteristic that organic-silicon-modified epoxy resin and/or acrylic resin are own so that it is suitable in the use environment of building template.
Additionally, aforementioned coating composition of the present invention also with the addition of inorganic filler further, and then utilize inorganic filler to improve hardness and the wearability of prepared coating, and by mating silicone modified polyester resin, organic-silicon-modified the second organic-silicon-modified resin material, consumption without the first organic-silicon-modified resin material and inorganic filler, make prepared coating while having above-mentioned performance, also have and adhesive force excellent between base material in building template, can be attached in building template on the surface of base material, form stable architectural template structure.
Preferably, in aforementioned coating composition, the surface of organic-silicon-modified the second resin material (epoxy resin and/or acrylic resin) can be 30-40mN/m, and the surface of silicone modified polyester resin can be 30-40mN/m.Can by optimizing the surface of the second organic-silicon-modified resin material and silicone modified polyester resin, be conducive to adjusting the hydrophobicity of prepared coating, self-lubricating capacities and base material adhesive force better, make to be formed between three balance, and then be more beneficial for the use of prepared coating.
In aforementioned coating composition of the present invention, as long as the silicone modified polyester resin surface used can within the scope of 25-50mN/m.In the preferred embodiment of the present invention, the number-average molecular weight of above-mentioned silicone modified polyester resin is 2000-5000, and in silicone modified polyester resin, the content of organosilicon is 10wt%-15wt%.In the present invention above-mentioned scope is not limited to for the molecular weight of silicone modified polyester resin and its silicone content, the number-average molecular weight of silicone modified polyester resin and its silicone content are limited in above-mentioned scope, while being conducive to film forming, also help hydrophobic effect and the self-lubricating property of balance silicone modified polyester resin, and then optimize the effect using its coating prepared to depart from cement.
In the present invention above-mentioned mentioned " silicone modified polyester resin ", the organosilicon being used for polyester resin is modified do not had special requirement, as long as wherein containing element silicon to make it have self-lubricating property, it is preferred that containing methyl or phenyl in the organic group of this organosilicon.In " silicone modified polyester resin " that use in the present invention, it is possible to be such as include but not limited to one or more the organic-silicon-modified polyester resin in dimethyldichlorosilane, pheiiyldimetliyl dichlorosilane, diphenyl dichlorosilane and dichloromethyl phenylsilane.Wherein in silicone modified polyester resin, the content of organosilicon refers to that " organosilicon " group accounts for the part by weight of silicone modified polyester resin gross weight.
In the present invention above-mentioned mentioned " silicone modified polyester resin ", polyester resin can be saturated polyester resin, for instance with the saturated polyester resin of terminal hydroxy group；Unsaturated polyester resin can also be made, such as, in adjacent benzene-type, metaphenylene, p-phenyl, bisphenol A-type, the rare base ester type unsaturated polyester resin of second one or more, wherein it is preferably unsaturated polyester resin, unsaturated polyester resin can at room temperature solidify, normal pressure compacted under, processing performance is flexible, is particularly suitable for large-scale and making in site.
Operable silicone modified polyester resin can be the conventional commercial product arbitrarily meeting above-mentioned requirements in the present invention, for instance commercially available from Changzhou Jia Nuo organosilicon company limited, and model is the silicone modified polyester resin of FJN-9804.Again such as commercially available from Shanghai towards space chemical materials company limited, model is the silicone modified polyester resin of SKP001, SKP002, SKP003, SKP005, SKP009.
Preferably, silicone modified polyester resin adds with solid content for 30%-50% emulsion form in the present invention, silicone modified polyester resin is added with solid content for 30%-50% emulsion form and advantageously allows silicone modified polyester resin with other stock dispersion evenly, embody hydrophobicity and the self-lubricating property of silicone modified polyester resin better, simultaneously, the pliability of coating composition itself can also be strengthened so that it is be prone to construction.
In aforementioned coating composition of the present invention, the second organic-silicon-modified resin material (epoxy resin and/or acrylic resin) used is as long as surface can within the scope of 25-50mN/m.In the preferred embodiment of the present invention, the number-average molecular weight of above-mentioned the second organic-silicon-modified resin material is 3000-5000, and the content of organosilicon is 8wt%-13wt%.Number-average molecular weight and its silicone content for organic-silicon-modified second resin material are not limited to above-mentioned scope in the present invention, the number-average molecular weight of organic-silicon-modified second resin material and its silicone content are limited in above-mentioned scope, while being conducive to film forming, also help hydrophobic effect and the self-lubricating property of balance silicone modified polyester resin, and then optimize the effect using its coating prepared to depart from cement.
Preferably, when the second resin material is epoxy resin, the epoxide number of above-mentioned " organic-silicon-modified epoxy resin " is 0.02-0.08 equivalent/l00g.In the present invention above-mentioned protection domain is not limited to for the epoxide number of organic-silicon-modified epoxy resin, is limited in above-mentioned scope and is conducive to obtaining the surface satisfactory modifying epoxy resin by organosilicon of energy.
In the present invention above-mentioned mentioned " the second organic-silicon-modified resin material ", the organosilicon being used for the second resin material is modified do not had particular/special requirement, as long as wherein containing element silicon to make it have self-lubricating property, containing methyl or phenyl in the organic group of this organosilicon preferred, in " the second organic-silicon-modified resin material " that use in the present invention, can be such as include but not limited to dimethyldichlorosilane, pheiiyldimetliyl dichlorosilane, diphenyl dichlorosilane, with one or more the second organic-silicon-modified resin materials in dichloromethyl phenylsilane.In the second wherein organic-silicon-modified resin material, the content of organosilicon refers to that " organosilicon " group accounts for the part by weight of the gross weight of the second organic-silicon-modified resin material.
In the present invention " organic-silicon-modified epoxy resin ", include but not limited in organic-silicon-modified bisphenol A epoxide resin, phenolic group propane epoxy resin, novolac epoxy resin, glycerol epoxy resin, phenolphthalein epoxy resin, resorcinol type epoxy one or more.Operable modifying epoxy resin by organosilicon can be the conventional commercial product arbitrarily meeting above-mentioned requirements in the present invention, for instance making a concerted effort resin company limited commercially available from Wujiang, model is the modifying epoxy resin by organosilicon of ES-6, ES-8, PES-3.Again such as commercially available from Changzhou Jia Nuo company, model is the modifying epoxy resin by organosilicon of FJNH-3, FJNH-4, FJNH-5.
In the present invention " organic-silicon-modified acrylic resin ", include but not limited in organic-silicon-modified pure third resin, styrene-acrylic resin, organosilicon acrylic resin, vinegar the third resin one or more.Operable organic-silicon-modified acrylic resin can be the conventional commercial product arbitrarily meeting above-mentioned requirements in the present invention, such as commercially available from Changzhou City YuanEn synthesis Materials Co., Ltd, model is the organic-silicon-modified acrylic resin of YN-340, YN-300, YN-320.Again such as commercially available from Guangzhou company of Jia Herongli Chemical Co., Ltd., model is the organic-silicon-modified acrylic resin of H-100, H-101.
More preferably, the second resin material (epoxy resin and/or acrylic resin) organic-silicon-modified in the present invention adds with solid content for 30%-50% emulsion form, being added with the second organic-silicon-modified resin material with solid content for 30%-50% emulsion form to be beneficial to makes it with other stock dispersion evenly, embody hydrophobicity and the self-lubricating property of this second organic-silicon-modified resin material better, simultaneously, the pliability of coating composition itself can also be strengthened so that it is be prone to construction.
In the present invention, the purpose adding the first resin material (without organic-silicon-modified epoxy resin and/or acrylic resin) is to improve prepared coating for the adhesive force between the base material of building template, and the toleration (such as salt fog resistance) that prepared coating is to environment, suitable epoxy resin and/or acrylic resin is selected according to this purpose.In the preferred embodiment of the present invention, the number-average molecular weight of above-mentioned first resin material is 2000-5000.In the present invention above-mentioned scope is not limited to for the molecular weight of epoxy resin, the number-average molecular weight of epoxy resin is defined within the scope of 2000-5000, be conducive to improving the effect of the salt spray resistance of prepared coating.Preferably when above-mentioned first resin material is epoxy resin, its epoxide number is 0.3-0.8 equivalent/l00g.The epoxide number of the epoxy resin used as the first resin material in the present invention is not limited to above-mentioned scope, is limited in above-mentioned scope, is conducive to improving the adhesive force between prepared coating and the base material of building template.
Can include but not limited to as one or more in bisphenol A epoxide resin, phenolic group propane epoxy resin, phenolic aldehyde multi-epoxy resin, glycerol epoxy resin, phenolphthalein epoxy resin, resorcinol type epoxy as the epoxy resin that the first resin material uses in the present invention.Operable epoxy resin can be the conventional commercial product arbitrarily meeting above-mentioned requirements in the present invention, for instance is E-12 bisphenol A epoxide resin commercially available from Shandong De Yuan Science and Technology Ltd. model.Such as it is purchased SL-6030, SL-6031, SL-6032 epoxy resin of Guangzhou Wu Yi Chemical Co., Ltd..
Can include but not limited to as one or more in pure third resin, styrene-acrylic resin, organosilicon acrylic resin, vinegar the third resin as the acrylic resin that the first resin material uses in the present invention.Operable acrylic resin can be the conventional commercial product arbitrarily meeting above-mentioned requirements in the present invention, for instance be the acrylic resin of BA-2014, BA-2015, BA-2017, BA-2018 commercially available from Zibo Jia Yue coating company limited model.
More preferably, first resin material adds with solid content for 30%-50% emulsion form in the present invention, being added with the first resin material with solid content for 30%-50% emulsion form to be beneficial to makes it with other stock dispersion evenly, embody the toleration (such as salt fog resistance) that this first resin material can bring better, and optimize the adhesive force between prepared coating and the base material of building template, simultaneously, the pliability of coating composition itself can also be strengthened so that it is be prone to construction.
Firming agent for using does not have particular/special requirement in the present invention, as long as it can promote that resin solidifies.In the preferred embodiment of the present invention, above-mentioned firming agent is modified fatty amine and/or modified aliphatic cyclic amine.
Operable modified fatty amine can adopt one or more the modified fatty amines in ethylenediamine, diethylenetriamine, vinyl triamine, triethylene tetramine, dipropylenetriamine, dimethylaminopropylamine in the present invention.Operable modified fatty amine can be the conventional commercial product arbitrarily meeting above-mentioned requirements in the present invention, such as commercially available from national capital (Kunshan) heavy chemicals company limited, model is the modified fatty amine of KH-240, KH-252, KH-500, KH-531.
In the present invention operable modified aliphatic cyclic amine can adopt diaminomethyl hexamethylene, methyl ring pentanediamine, adjacent diamidogen methyl cyclopentane, the Meng alkane diamidogen, one or more ester cyclammonium being modified in isophorone diamine.Operable modified aliphatic cyclic amine can be the conventional commercial product arbitrarily meeting above-mentioned requirements in the present invention, for instance commercially available from Henan natural selection Industrial Co., Ltd., and model is the modified ester cyclammonium of TAC, TDC.
Operable firming agent is not limited to above-mentioned firming agent in the present invention, it is also possible to be aromatic amine, amide groups amine, hide solidify in amine one or more.But, complete more fully by adopting above-mentioned firming agent to may advantageously facilitate reaction.
In the preferred embodiment of the present invention, the particle diameter for inorganic filler does not have particular/special requirement in the present invention, as long as suitable coating mixes.The particle diameter of preferred above-mentioned inorganic filler is 5-10 μm, is limited in 5-10 μ m by the particle diameter of inorganic filler, is conducive to making the coating appearance relative smooth formed fine and smooth.Being more highly preferred to above-mentioned inorganic filler is one or more in Pulvis Talci, silicon powder, mica powder, barium sulfate, Kaolin, silica flour, calcium carbonate.Operable inorganic filler in the present invention can be the conventional commercial product arbitrarily meeting above-mentioned requirements, for instance commercially available from Xin Chuan mining industry company limited of Guangdong Nanhai, and fineness is the filler of 2000 orders, 2500 orders, 3000 orders.
Aforementioned coating composition of the present invention can also contain, according to its concrete application scenario, the various auxiliary agents that paint field is conventional, the specific performance of coating composition to give the present invention or function.Preferably, it is possible to the auxiliary agent of employing preferably includes, but is not limited at least one in anti-settling agent, levelling agent, dispersant, pigment.The consumption of the auxiliary agent used can be the conventional selection of this area.
In the preferred embodiment of the present invention, the component A of aforementioned coating composition presses 100 parts by weight, possibly together with the anti-settling agent of 5-10 weight portion.The Main Function adding anti-settling agent in the coating composition is to use as rheology control agent, and it can make coating have thixotropy, makes viscosity be greatly improved, and the production of coating, storage, application and film performance are produced material impact.Particle diameter for anti-settling agent does not have particular/special requirement in the present invention, as long as suitable coating mixes.The particle diameter of preferred above-mentioned anti-settling agent is 20-60nm, the particle diameter of anti-settling agent is limited within the scope of 20-60nm, be conducive on the one hand making the coating appearance relative smooth formed fine and smooth, be conducive on the other hand disperseing in mixed system, and then realize corresponding function better.Being more highly preferred to above-mentioned anti-settling agent is one or more in organobentonite, castor oil derivative, aerosil, polyolefin-wax (microgranule), modified hydrogenated Oleum Ricini, the N monomethyl pyrrolidone solution of modified polyurea and polyamide wax series.Operable anti-settling agent can be the conventional commercial product arbitrarily meeting above-mentioned requirements in the present invention, for instance commercially available from Germany's goldschmidt chemical corporation, model is the anti-settling agent of A380, A200.
In the preferred embodiment of the present invention, the component A of aforementioned coating composition presses 100 parts by weight, possibly together with the pigment of 2-5 weight portion.The pigment used is mainly used in being that coating forms specific color, and the kind of the present invention pigment for using is not particularly limited, and it can for the commonly used in the art material being capable of above-mentioned functions.Preferred described pigment is one or more in carbon black, titanium dioxide, ethylenediamine, vulcanized lead, cobaltous acetate copper sulfate and vulcanized lead.Operable pigment can be any conventional commercially available prod in the present invention, for instance commercially available from Cangzhou, Hebei Jin Tai white carbon black company limited, model is JT-8, JT-10, JT-15, JT-11 charcoal blacks.
In the preferred embodiment of the present invention, the component A of aforementioned coating composition presses 100 parts by weight, possibly together with the levelling agent of 0.05-0.1 weight portion.The levelling agent used is mainly used in promoting ink to form more smooth, a smooth and uniform rete in drying and forming-film process.The kind of the present invention levelling agent for using is not particularly limited, and it can for the commonly used in the art material being capable of above-mentioned functions.Preferred described levelling agent be Siloxane-Oxyalkylene Copolymers copolymer, fluorine richness silicone levelling agent, diphenylpolysiloxane levelling agent, in one or more.Operable levelling agent can be any conventional commercially available prod in the present invention, for instance commercially available from the levelling agent of the BYK-110 of BIC Corp or the HX-4030 of China.
In the preferred embodiment of the present invention, the component A of aforementioned coating composition presses 100 parts by weight, possibly together with the dispersant of 0.05-0.1 weight portion.Use dispersant to be mainly used for shortening the time being dispersed in binder and solvent by conductive material, and improve conductive material dispersion stabilization in binder and solvent.Operable dispersant is the various materials being capable of above-mentioned functions commonly used in the art.One or more in polyacrylamide dispersant, fatty acid polyethylene glycol ester dispersant, methyl anyl alcohol dispersant of preferred dispersants.Operable dispersant can be any conventional commercially available prod in the present invention, for instance business is such as purchased from Bick chemistry Shanghai company limited, and model is BYK-110, BYK-111, BYK-106, BYK-107, BYK-108, BYK-102, BYK-109 dispersant.
Aforementioned coating composition provided by the present invention is referred to the construction method of existing coating composition, to form coating on building template surface.In the preferred embodiment of the present invention, it is provided that a kind of aforementioned coating composition of applying forms the method for optimizing of coating, and the method contains following steps: by component A in aforementioned coating composition and optional solvent mixed grinding, form milled mixtures；It is coated on substrate after milled mixtures is mixed with component B in aforementioned coating composition, solidify to form coating.This method provided by the present invention is simple, it is easy to operation, is more suitable for large-scale promotion application.
In a kind of embodiment being more highly preferred to of the present invention, the step forming milled mixtures in the method for application aforementioned coating composition formation coating contains: the silicone modified polyester resin in component A, modifying epoxy resin by organosilicon, epoxy resin, optional solvent, optional anti-settling agent, optional levelling agent, optional dispersant are sequentially added into sand mill, carry out water-cooled ground and mixed 20-60min with the rotating speed of 200-800r/min, obtain milled mixtures A1；The rotating speed of grinder is down to 80-150r/min, in milled mixtures A1, adds optional pigment, then carry out water-cooled ground and mixed 5-20min with the rotating speed of 200-800r/min, obtain milled mixtures A2；The rotating speed of grinder is down to 80-150r/min, in milled mixtures A2, adds optional inorganic filler, then carry out water-cooled ground and mixed 60-90min with the rotating speed of 200-800r/min, obtain the milled mixtures that fineness is 10-15 μm.
Said method provided by the present invention, by being added step by step by raw material, and when controlling to add raw material every time, the rotating speed of grinder has and better reaches finely dispersed effect.
Coating the curing schedule of the method for application aforementioned coating composition formation coating do not have particular/special requirement for the temperature and time solidified, as long as can be formed.In a kind of embodiment being more highly preferred to of the present invention, for equilibration time cost and energy consumption, it is preferable that solidification temperature is 120-200 DEG C, hardening time is 0.5-1.5h.
Application aforementioned coating composition forms the consumption of solvent for using in the method for coating and does not have particular/special requirement, as long as adapting to grind demand in cold water, in a kind of embodiment being more highly preferred to of the present invention, the consumption of solvent preferred used in the present invention is the 15-40% of described coating composition weight, controls the consumption of solvent to be conducive to regulation and control dope viscosity within the scope of this.It addition, the solvent for using does not have particular/special requirement yet in the method, as long as diluting effect can be obtained.Preferred described solvent is one or more in propylene glycol monobutyl ether, ethyl acetate and dimethylbenzene.
It addition, additionally provide a kind of building template in the present invention, this building template contains base material, and is coated in described base material and the coating on the phase veneer of cement, and described coating should be formed in aforementioned manners.This building template provided by the present invention, by being coated with the coating formed by coating composition of the present invention from the teeth outwards, make to be between itself and the presclerotic cement in end the state of a kind of disengaging, and then enable the cement after building template and hardening to be easily disengaged from, make the cement of building template surface adhesion also can easily remove.And then avoid the waste of manpower and materials and follow-up loaded down with trivial details process step.
The method further illustrating a kind of coating composition of the present invention below with reference to specific embodiment, applying its formation coating, and the beneficial effect of the building template containing this coating.
One, embodiment
Embodiment 1
Coating composition:
nullSilicone modified polyester resin emulsion (the FJN-9804 purchased from Changzhou City Jianuo Organic Silicon Co., Ltd of component A:84g，Solid content is 45wt%，Wherein the number-average molecular weight of silicone modified polyester resin is 3000，Silicone content 15wt%，Surface can be 32mN/m)、Modifying epoxy resin by organosilicon emulsion (the FJNH-4 purchased from Changzhou City Jianuo Organic Silicon Co., Ltd of 50g，Solid content is 30wt%，In this modifying epoxy resin by organosilicon, silicone content is 18wt%，Number-average molecular weight is 3000，Epoxide number is 0.05mol/l00g，Surface can be 38mN/m)、56g epoxy resin latex (the HY-02 of Guangzhou Hao Yi Chemical Co., Ltd.，Solid content is 45%，Number-average molecular weight is 3900，Epoxide number 0.4mol/l00g)、15g silicon powder (particle diameter is at 5-10 μm)、5g aerosil (particle diameter is at 20-60nm)、2g titanium dioxide (jumps titanium dioxide chemical materials company limited purchased from Shang Haijiang)、0.1g dispersant (purchased from Germany BIC Corp BYK-110)、The levelling agent (BYK-333 purchased from BIC Corp of Germany) of 0.1g；
Component B:13.5g firming agent SMH-301R (purchased from Jiangsu three wood chemical company)；
Solvent: 15g ethyl acetate.
Base material: aluminum alloy pattern plate, long 10cm width 10cm.
Building template preparation method:
(1) silicone modified polyester resin in component A, modifying epoxy resin by organosilicon, epoxy resin, solvent, anti-settling agent (aerosil), levelling agent, dispersant are sequentially added into basket-type grinder (purchased from Taiwan Sanyin Industry Co., Ltd.), carry out water-cooled ground and mixed 30min with the rotating speed of 600r/min, obtain milled mixtures A1；The rotating speed of grinder is down to 100r/min, in milled mixtures A1, adds pigment (titanium dioxide), then carry out water-cooled ground and mixed 10min with the rotating speed of 600r/min, obtain milled mixtures A2；The rotating speed of grinder is down to 100r/min, in milled mixtures A2, adds inorganic filler (Pulvis Talci), then carry out water-cooled ground and mixed 75min with the rotating speed of 600r/min, obtain the milled mixtures that fineness is 10-15 μm.
(2) it is sprayed on base material after above-mentioned milled mixtures and firming agent being mixed, 150 DEG C of baking box baking and curing, obtain embodiment 1 template sample.
Embodiment 2
Coating composition:
nullThe silicone modified polyester resin emulsion of component A:110g is (purchased from Shanghai towards space chemical materials company limited SKP001，Solid content is 50wt%，Wherein the number-average molecular weight of silicone modified polyester resin is 2400，Silicone content is 15wt%，Surface can be 30mN/m)、Modifying epoxy resin by organosilicon emulsion (the FJNH-4 purchased from Changzhou City Jianuo Organic Silicon Co., Ltd of 33g，Solid content is 30wt%，Silicone content 18wt% in this modifying epoxy resin by organosilicon，Number-average molecular weight is 3000，Epoxide number is 0.05mol/l00g，Surface can be 38mN/m)、27g epoxy resin latex (the HY-02 of Guangzhou Hao Yi Chemical Co., Ltd.，Solid content is 38%，Number-average molecular weight is 3800，Epoxide number amount 0.5 equivalent/l00g content)、10g Pulvis Talci (particle diameter is at 5-8 μm)、10g aerosil (particle diameter is at 20-60nm)、4.5g titanium dioxide、0.1g dispersant (purchased from Germany BIC Corp BYK-110)、The levelling agent (BYK-333 purchased from BIC Corp of Germany) of 0.1g；
Component B:15g firming agent T-31 (purchased from purchased from Jiangsu three wood chemical company)；
Solvent: 15g dimethylbenzene.
Base material: aluminum alloy pattern plate, long 10cm width 10cm.
Preparation method: with reference to embodiment 1.
Embodiment 3
Coating composition:
nullSilicone modified polyester resin emulsion (the FJN-9804 purchased from Changzhou City Jianuo Organic Silicon Co., Ltd of component A:45g，Solid content is 45wt%，Wherein the number-average molecular weight of silicone modified polyester resin is 3000，Silicone content 15wt%，Surface can be 32mN/m)、Modifying epoxy resin by organosilicon emulsion (the FJNH-4 purchased from Changzhou City Jianuo Organic Silicon Co., Ltd of 67g，Solid content is 30wt%，Wherein the silicone content of modifying epoxy resin by organosilicon is 18wt%，Number-average molecular weight is 3000，Epoxide number is 0.05 equivalent/l00g，Surface can be 38mN/m)、73g epoxy resin latex (the HY-02 of Guangzhou Hao Yi Chemical Co., Ltd.，Solid content is 38%，The number-average molecular weight of its epoxy resin is 3900，Epoxide number 0.4mol/l00g)、25g Pulvis Talci (particle diameter is at 5-8 μm)、5g aerosil (particle diameter 20-60nm)、2g titanium dioxide、0.05g dispersant (purchased from Germany BIC Corp BYK-110)、The levelling agent (BYK-333 purchased from BIC Corp of Germany) of 0.05g；
Component B:30g firming agent T-31 (purchased from Jiangsu three wood chemical company).
Solvent: 15g dimethylbenzene.
Base material: aluminum alloy pattern plate, long 10cm width 10cm.
Building template preparation method: with reference to embodiment 1.
Embodiment 4
Coating composition: with reference to embodiment 1, be distinctive in that:
Compositions A use the rare base ester type resin emulsion of 76g organosilicon modified polyester second (purchased from Shanghai towards space chemical materials company limited SKP003, solid content is 50wt%, the number-average molecular weight of the rare base ester type resin of organosilicon modified polyester second is 2600, silicone content 15wt%, surface can be 30mN/m)；The 30g modifying epoxy resin by organosilicon emulsion (FJNH-5 purchased from Changzhou City Jianuo Organic Silicon Co., Ltd, solid content is 50wt%, wherein the silicone content of modifying epoxy resin by organosilicon is 15wt%, and epoxide number is 0.08mol/l00g, and surface can be 34mN/m)；25g epoxy resin latex (HY-03 of Guangzhou Hao Yi Chemical Co., Ltd., solid content is 40%, number-average molecular weight is 2950, epoxide number amount 0.48mol/l00g)；
Component B uses firming agent SM593 (purchased from purchased from Jiangsu three wood chemical company).
Building template preparation method: with reference to embodiment 1.
Embodiment 5
Coating composition: with reference to embodiment 1, be distinctive in that:
Compositions A uses 90g organosilicon modified polyester bisphenol A type resin emulsion (purchased from Shanghai towards space chemical materials company limited SKP004, solid content is 42%, and molecular weight is 2900, silicone content 10wt%, and surface can be 30mN/m)；50g modifying epoxy resin by organosilicon emulsion is (purchased from the FJNH-6 purchased from Changzhou City Jianuo Organic Silicon Co., Ltd, solid content is 30wt%, the wherein silicone content 10wt% of modifying epoxy resin by organosilicon, epoxide number is 0.02mol/l00g, and surface can be 32mN/m)；25g epoxy resin (HY-04 of Guangzhou Hao Yi Chemical Co., Ltd., number-average molecular weight is 3900, epoxide number amount 0.53mol/l00g)；
Component B uses firming agent TY-650 (purchased from Jiangsu three wood chemical company).
Building template preparation method: with reference to embodiment 1.
Embodiment 6
Coating composition: with reference to embodiment 1, be distinctive in that:
Compositions A use 97g organosilicon modified crylic acid resin emulsion (purchased from Changzhou City YuanEn synthesis Materials Co., Ltd YN-340, solid content is 39%, molecular weight is 3200, silicone content 18%, and surface can be 30mN/m) replace modifying epoxy resin by organosilicon.25g acrylic resin (purchased from the BA-2012 of Zibo company of Jia Yue coating company limited, number-average molecular weight is 3200) is used to replace epoxy resin latex.
Building template preparation method: with reference to embodiment 1.
Embodiment 7
Coating composition: with reference to embodiment 2, be distinctive in that:
Compositions A use 94.5g organosilicon modified crylic acid resin emulsion (purchased from Changzhou City YuanEn synthesis Materials Co., Ltd YN-320, solid content is 40%, molecular weight is 3800, silicone content 13, and surface can be 38mN/m) replace modifying epoxy resin by organosilicon emulsion.25g acrylic resin (purchased from the BA-2015 of Zibo company of Jia Yue coating company limited, number-average molecular weight is 3500) is used to replace epoxy resin latex.
Building template preparation method: with reference to embodiment 1.
Embodiment 8
Coating composition: with reference to embodiment 1, be distinctive in that:
Compositions A uses 126g silicone modified polyester resin emulsion (purchased from Shanghai towards space chemical materials company limited SKP009, solid content is 30%, and number-average molecular weight is 3000, silicone content 18, and surface can be 25mN/m)；Use the 43g modifying epoxy resin by organosilicon emulsion (PES-3 purchased from the resin company limited that makes a concerted effort purchased from Wujiang, solid content is 35%, the wherein silicone content 13% of modifying epoxy resin by organosilicon, epoxide number is 0.06mol/l00g, and surface can be 50mN/m).
Building template preparation method: with reference to embodiment 1.
Embodiment 9
Coating composition: with reference to embodiment 1, be distinctive in that:
Compositions A uses 108g silicone modified polyester resin emulsion (purchased from Shanghai towards space chemical materials company limited SKP005, solid content is 35%, and number-average molecular weight is 3200, silicone content 16, and surface can be 48mN/m)；Use the 38.5g modifying epoxy resin by organosilicon emulsion (ES-8 purchased from the resin company limited that makes a concerted effort purchased from Wujiang, solid content is 39%, the wherein silicone content 17% of modifying epoxy resin by organosilicon, epoxide number is 0.08mol/l00g, and surface can be 25mN/m).
Building template preparation method: with reference to embodiment 1.
Embodiment 10
Coating composition: with reference to embodiment 6, be distinctive in that:
Compositions A uses 115g silicone modified polyester resin emulsion (purchased from Shanghai towards space chemical materials company limited SKP003, solid content is 33%, and molecular weight is 3300, silicone content 17, and surface can be 27mN/m)；Use 93.5g organosilicon modified crylic acid resin emulsion (making a concerted effort resin company limited ES-6, solid content is 16%, and number-average molecular weight is 3600, silicone content 18%, and surface can be 50mN/m) purchased from Wujiang.
Building template preparation method: with reference to embodiment 1.
Embodiment 11
Coating composition: with reference to embodiment 1, be distinctive in that:
Compositions A use 63g silicone modified polyester resin emulsion (purchased from Shanghai towards space chemical materials company limited SKP005, solid content is 60wt%, wherein the rare base ester type resin molecular weight of organosilicon modified polyester second is 2800, silicone content 20wt%, and surface can be 30mN/m)；Use 25g modifying epoxy resin by organosilicon emulsion (purchased from the FJNH-3 purchased from Changzhou City Jianuo Organic Silicon Co., Ltd, solid content is 60wt%, 20g silicone content 20wt%, and epoxide number is 0.1mol/l00g, and surface can be 32mN/m)；Use 41.7g epoxy resin latex (HY-05 of Guangzhou Hao Yi Chemical Co., Ltd., molecular weight is 3200, epoxide number amount 0.55mol/l00g, and solid content is 60wt%).
Building template preparation method: with reference to embodiment 1.
Embodiment 12
Coating composition: with embodiment 1.
Solvent: with embodiment 1.
Base material: with embodiment 1.
Preparation method:
(1) being mixed with solvent by raw material each in component A, be ground with the method for water-cooled at basket-type grinder (purchased from Taiwan Sanyin Industry Co., Ltd.), obtaining fineness is 8-15 μm of milled mixtures；
(2) it is sprayed on base material after above-mentioned milled mixtures and firming agent being mixed, 150 DEG C of baking box baking and curing, obtain embodiment 12 template sample.
Two, comparative example
Comparative example 1
Coating composition:
Component A:40g polyester resin (purchased from Shanghai towards space chemical materials company limited SKP005), 30g epoxy resin (HY-05 purchased from Guangzhou Hao Yi Chemical Co., Ltd.), 5g carbon black, 19.8g silicon powder, 5g bentonite, 0.1g dispersant (purchased from Germany BIC Corp BYK-110), 0.1g levelling agent (BYK-333 purchased from BIC Corp of Germany)；
Component B:9g firming agent TY-650 (purchased from Jiangsu three wood Chemical Co., Ltd.)；
Solvent: 15g ethyl acetate.
Base material: aluminum alloy pattern plate, long 10cm width 10cm.
Preparation method: with reference to embodiment 1.
Comparative example 2
Coating composition: with reference to embodiment 1, be wherein distinctive in that:
Component A does not contain silicone modified polyester resin emulsion, adopts same amount of modifying epoxy resin by organosilicon to replace silicone modified polyester resin.
Building template preparation method: with reference to embodiment 1.
Comparative example 3
Coating composition: with reference to embodiment 1, be wherein distinctive in that:
Component A does not contain modifying epoxy resin by organosilicon emulsion, adopts same amount of silicone modified polyester resin to replace modifying epoxy resin by organosilicon.
Building template preparation method: with reference to embodiment 1.
Comparative example 4
Coating composition: with reference to embodiment 1, be wherein distinctive in that:
Component A employs the silicone modified polyester resin emulsion of 31g, the modifying epoxy resin by organosilicon emulsion of 167g, 30g epoxy resin latex.
Building template preparation method: with reference to embodiment 1.
Comparative example 5
Coating composition: with reference to embodiment 1, be wherein distinctive in that:
Compositions A employs 97g silicone modified polyester resin emulsion (purchased from Shanghai towards space chemical materials company limited, model SKP004, solid content is 39%, and molecular weight is 4200, silicone content 20, and surface can be 60mN/m)；Employ 37.5g modifying epoxy resin by organosilicon emulsion (purchased from the model FJNH-2 purchased from Changzhou Jia Nuo company, solid content is 40%, the wherein silicone content 17% of modifying epoxy resin by organosilicon, epoxide number is 0.09mol/l00g, and surface can be 55mN/m).
Building template preparation method: with reference to embodiment 1.
Three, test:
Template sample prepared by above-described embodiment 1 to 12 and comparative example 1 to 5 is carried out performance detection.Detection project and method are as follows:
(1) resin material surface can be tested:
Method of testing: dyne liquid method of testing, namely uses the dyne pen of certain specification to mark the vestige of about 30mm*4mm on material surface, if dyne liquid becomes globule shape at 2 seconds contract, the dyne value that material surface can mark not up to dyne pen is described.
Test result: referring to the mark in " () " after resin material corresponding in each embodiment and comparative example.
(2) hydrophobicity test:
Test instrunment: OCA video optics contact angle measurement (Germany).
Method of testing: test water droplet angle, examines its hydrophobicity, and water droplet angle is more big, illustrates that itself and cement depart from effect more desirable.
Test condition: test temperature is 17.2 DEG C；Testing humidity is 64% unit.
Test result: as shown in table 1.
(3) decay resistance:
Method of testing: salt spray test method, i.e. 5% sodium chloride salt aqueous solution, solution pH value is adjusted at neutral range (6.5-7.2) as the solution sprayed.Test temperature all takes 35 degree, and product is measured apparent after placing 24 hours.
Test result: as shown in table 1.
(4) test cement is in the adhesive force of coating:
Test instrunment: tension tester.
Method of testing: use 10cm*10cm aluminium flake, sprays this coating, dries rear surface and smears 10cm*10cm*5cm cement, after within 48 hours, cement is completely dried, using tension tester, test cement is in the adhesive force of coating, pulling force data is more little, illustrates that cement is more good with the disengaging effect of coating.
Test result: as shown in table 1.
(5) base material is tested with the adhesive force between coating
Method of testing: adopt cross-cut tester method to measure the adhesive force of the metal level formed at substrate surface.Concrete method of testing is: draw the small grid of 10 × 10 1mm × 1mm on testing sample surface with cross-cut tester, each deep and metal level the bottom of ruling, after the fragment of test zone being cleaned down with hairbrush, cling with adhesive tape (3M600 gummed paper) and be test for small grid, it is held by hand adhesive tape one end, shut down rapidly gummed paper in the vertical direction, 2 same test record adhesive force grades are carried out at same position, and take position, different 6 and test respectively, the optimum grade of record adhesive force and worst grade.
Adhesive force grade is determined according to following standard:
0 grade: scribing edge is smooth, line edge and intersection all without peeling paint；
1 grade: the intersection in line has the peeling paint of small pieces, and the gross area that comes off is less than 5%；
2 grades: have the peeling paint of small pieces at the edge of line and intersection, and come off the gross area between 5-15%；
3 grades: have sheet of peeling paint at the edge of line and intersection, and come off the gross area between 15-35%；
4 grades: have sheet of peeling paint at the edge of line and intersection, and come off the gross area between 35-65%；
5 grades: have sheet of peeling paint at the edge of line and intersection, and the gross area that comes off is more than 65%.
Test result: as shown in table 1.
Table 1.
Be can be seen that by data in table 1, compared with comparative example 1 to 5, coating prepared by the embodiment of the present invention 1 to 12 and aluminum alloy pattern plate substrate surface have good adhesive force, can cover aluminum alloy pattern plate base material with on the phase veneer of cement, and there is good salt spray resistance, it is possible to suitable in the use environment of cement, most importantly, it is poor with to the adhesive force of cement such that it is able to realize coating and the segregative effect of cement.
Aforementioned coating composition of the present invention and building template, can be the silicone modified polyester resin of 25-50mN/m and organic-silicon-modified the second resin material (epoxy resin and/or acrylic resin) by collaborative use surface, utilize organic-silicon-modified aforementioned resin because of surface relatively low the had hydrophobicity of energy, the state of a kind of disengaging it is between cement before making the coating formed by it and being unhardened, utilize the self lubricity that organic-silicon-modified aforementioned resin has simultaneously, enable the cement post after the coating formed by it and hardening and stick to the cement of coating surface and be easily disengaged from.And then avoid the waste of manpower and materials and follow-up loaded down with trivial details process step.
And, aforementioned coating composition of the present invention is while using silicone modified polyester resin, organic-silicon-modified epoxy resin and/or acrylic resin, also added without organic-silicon-modified the first resin material (epoxy resin and/or acrylic resin), and then utilize the toleration (such as salt spray resistance characteristic) that improve prepared coating without the characteristic that organic-silicon-modified epoxy resin and/or acrylic resin are own so that it is suitable in the use environment of building template.
Additionally, aforementioned coating composition of the present invention also with the addition of inorganic filler further, and then utilize inorganic filler to improve hardness and the wearability of prepared coating, and by mating silicone modified polyester resin, organic-silicon-modified the second organic-silicon-modified resin material, consumption without the first organic-silicon-modified resin material and inorganic filler, make prepared coating while having above-mentioned performance, also have and adhesive force excellent between base material in building template, can be attached in building template on the surface of base material, form stable architectural template structure.
The preferred embodiment of the present invention described in detail above; but, the present invention is not limited to the detail in above-mentioned embodiment, in the technology concept of the present invention; technical scheme can being carried out multiple simple variant, these simple variant belong to protection scope of the present invention.
It is further to note that, each concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, it is possible to be combined by any suitable mode, in order to avoid unnecessary repetition, various possible compound modes are no longer illustrated by the present invention separately.
Additionally, can also carry out combination in any between the various different embodiment of the present invention, as long as it is without prejudice to the thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (12)
1. a coating composition, it is characterised in that described coating composition includes the component A and component B of independent preservation, wherein,
Described component A contains by 100 parts by weight: first resin material of 10-30 part, the second organic-silicon-modified resin material of 10-20 part, the silicone modified polyester resin of 20-55 part, and the inorganic filler of 10-30 weight portion；
Described component B contains firming agent, and the weight ratio of described component B and described component A is 10-30:100；
In described component A, described first resin material and described second resin material are separately selected from epoxy resin and/or acrylic resin, the surface of described the second organic-silicon-modified resin material can be 25-50mN/m, and the surface of described silicone modified polyester resin can be 25-50mN/m.
2. coating composition according to claim 1, wherein, the surface of described the second organic-silicon-modified resin material can be 30-40mN/m, and the surface of described silicone modified polyester resin can be 30-40mN/m.
3. coating composition according to claim 1, wherein, the number-average molecular weight of described silicone modified polyester resin is 2000-5000, and in described silicone modified polyester resin, the content of organosilicon is 10wt%-15wt%.
4. coating composition according to claim 1, wherein, the number-average molecular weight of described the second organic-silicon-modified resin material is 3000-5000, the content of organosilicon is 8wt%-13wt%, and described second resin material is when being epoxy resin, the epoxide number of organic-silicon-modified epoxy resin is 0.02-0.08 equivalent/l00g.
5. coating composition according to claim 1, wherein, the number-average molecular weight of described first resin material is 3000-5000, and when described first resin material is epoxy resin, its epoxide number is 0.3-0.8 equivalent/l00g.
6. coating composition according to any one of claim 1 to 5, wherein, described firming agent is one or more of modified fatty amine or modified aliphatic cyclic amine.
7. coating composition according to any one of claim 1 to 5, wherein, the particle diameter of described inorganic filler is 5-10 μm；
Preferably, described inorganic filler is one or more in Pulvis Talci, silicon powder, mica powder, barium sulfate, Kaolin, silica flour, calcium carbonate.
8. coating composition according to any one of claim 1 to 5, wherein, described component A presses 100 parts by weight, possibly together with the anti-settling agent of 5-10 weight portion,
Preferably, the particle diameter of described anti-settling agent is 20-60nm；
Preferably, described anti-settling agent is one or more in bentonite, aerosil, polyolefin-wax.
9. coating composition according to any one of claim 1 to 5, wherein, described component A presses 100 parts by weight, possibly together with the pigment of 2-5 weight portion,
Preferably, described pigment is one or more in carbon black, titanium dioxide, ethylenediamine, vulcanized lead, cobaltous acetate, copper sulfate and vulcanized lead.
10. coating composition according to any one of claim 1 to 5, wherein, described component A presses 100 parts by weight, possibly together with the levelling agent of 0.05-0.1 weight portion,
Preferably, described levelling agent is one or more in Siloxane-Oxyalkylene Copolymers copolymer, fluorine richness silicone levelling agent, diphenylpolysiloxane levelling agent.
11. coating composition according to any one of claim 1 to 5, wherein, described component A presses 100 parts by weight, possibly together with the dispersant of 0.05-0.1 weight portion,
Preferably, described dispersant is selected from one or more in polyacrylamide dispersant, fatty acid polyethylene glycol ester dispersant, methyl anyl alcohol dispersant.
12. a building template, it is characterized in that, described building template includes base material, and is coated in described base material and the coating on the phase veneer of cement, solidify to form in described coating coating composition according to any one of claim 1 to 11 after component A and component B mixing.
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| CN111849243A (en) * | 2020-06-21 | 2020-10-30 | 鹤壁瑞特隆生物质材料科技有限公司 | Novel resin ink and preparation method thereof |
| CN112247097A (en) * | 2020-10-22 | 2021-01-22 | 重庆建谊祥科技有限公司 | Semi-solid die-casting and double-fluorination combined manufacturing method for magnesium alloy building template |
| CN116656218A (en) * | 2023-06-19 | 2023-08-29 | 广东现代涂料科技有限公司 | Demolding-free water-based aluminum film paint for building and preparation method thereof |
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| CN103694871A (en) * | 2012-09-28 | 2014-04-02 | 比亚迪股份有限公司 | Paint composition, preparation method thereof, and surface decoration method of plastic part and composite workpiece |
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| CN112247097A (en) * | 2020-10-22 | 2021-01-22 | 重庆建谊祥科技有限公司 | Semi-solid die-casting and double-fluorination combined manufacturing method for magnesium alloy building template |
| CN116656218A (en) * | 2023-06-19 | 2023-08-29 | 广东现代涂料科技有限公司 | Demolding-free water-based aluminum film paint for building and preparation method thereof |
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