CN102433052A - Aqueous polyurethane modified silicon-acrylate multifunctional waterproof heat-insulation elastic paint and preparation method thereof - Google Patents
Aqueous polyurethane modified silicon-acrylate multifunctional waterproof heat-insulation elastic paint and preparation method thereof Download PDFInfo
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Abstract
The invention discloses an aqueous polyurethane modified silicon-acrylate multifunctional waterproof heat-insulation elastic paint and a preparation method thereof. The paint is prepared from aqueous polyurethane modified silicon-acrylate emulsion, acrylic acid elastic emulsion, a nanometer filling material, a nanometer silicon waterproof agent, a pigment filling material, glycol, a dispersant, an antifoaming agent, a thickening agent, an antiseptic agent, a film forming auxiliary agent, a leveling agent, a pH conditioning agent and deionized water; the paint well combines the advantages of low temperature resistance, good elasticity, strong adhesive power and the like of aqueous polyurethane with the advantages of light resistance, weatherability and water proofness of polyacrylate, and has the advantage of low VOC unique to an aqueous paint. According to the invention, addition of nano-materials enables slits of a coating to be well filled, tensile strength, hardness and flexibility of the coating to be improved, and considerable excellent performance like heat insulation, cleanness and anti-fouling performance to be endowed to the paint.
Description
Technical field
The invention belongs to the building external paint technical field, be specifically related to a kind of be used for external wall contain multifunctional aqueous environmental protection coating material of waterborne polyurethane modified organosilicon crylic acid latex and preparation method thereof.
Background technology
Over past ten years; Country advocates the building waterproofing lagging material energetically, constantly eliminates, limits backward technical products, so the quality of waterproof insulation material should be much improved; But in fact the seepage situation is still comparatively serious, and so-called heat insulation function is not well embodied yet.
Along with the development of coating technology, the waterproof heat-insulating coating technology is ripe day by day, replaces the way of body of wall water-proof heat-insulation layer to begin to get into the practical stage by the brushing waterproof heat-insulating coating fully, and this will change traditional waterproof thermal-insulated mode.In the waterproof heat insulation coating industry, polyurethanes coating and acrylate paint performance are outstanding, but the macromolecular material of single composition is when possessing various high-performances, tends on other performance, be short of to some extent.That urethane has is low temperature resistant, snappiness good, the bonding strength advantages of higher, but aqueous polyurethane glued membrane weathering resistance, poor water resistance, and mechanical strength is not as good as acrylic ester emulsion.And acrylic ester emulsion is because of advantages such as its stability height, gloss, rheological and good weatherability; Application in paint field is more extensive; But not good enough, the hot sticky cold crisp of water tolerance behind the dried coating film, anti-poor with viscosity, thermotolerance is not good etc., makes its application receive certain limitation.Therefore water-and acrylate and urethane is compound, can overcome shortcoming separately, make glue film performance be improved significantly, reduce cost.
Waterproof thermal-insulated about exterior coating; Investigators have done a lot of work; Chinese patent CN101831219A discloses a kind of water-borne coatings of waterproof and heat-insulating; Filming emulsion is ethylene-vinyl acetate copolymer (EVA) and PEMULEN TR2 emulsion, and filler is conventional powder such as dicalcium powder, talcum powder, phosphorus matter powder.Chinese patent CN1590481A discloses a kind of ceramic insulation elastic coating, adopts elastic emulsion technological with the cold assembly of the plain acrylic of fluorine, prepared a kind of anti-contamination, tint permanence good the ceramic insulation elastic coating.Chinese patent CN101709193A discloses a kind of water-borne acrylic type water-proof heat-insulating paint; Adopting elastomeric propylene acid copolymer emulsion, ethene-vinyl acetate copolymer emulsion (VAE) is base-material; Mix with the organic silicon water-proofing material is cold, prepared good springiness, water-proof heat-insulating paint that cohesive strength is big.But on net effects such as heat insulation, waterproof, snappiness, anti-contamination and ageing-resistant, environmental protection, above-mentioned technology still exists such or such deficiency.
Summary of the invention
For solving the existing the problems referred to above of waterproof heat-insulating coating; The present invention combines multiple heat insulation mechanism; Give full play to characteristics separately, a kind of waterborne polyurethane modified silicon third multifunctional water-proofing heat insulating elastic paint is provided, this coating meets environmental protection; Waterproof, thermal and insulating performance are good, and pollution resistance, photostabilization, weathering resistance are strong.
In addition, the present invention also provides the preparation method of the above-mentioned waterborne polyurethane modified silicon third multifunctional water-proofing heat insulating elastic paint.
For realizing above-mentioned purpose of the present invention, a kind of waterborne polyurethane modified silicon third multifunctional water-proofing heat insulating elastic paint of the present invention adopts following technical scheme.
A kind of waterborne polyurethane modified silicon third multifunctional water-proofing heat insulating elastic paint of the present invention is to be prepared from following component, and each constituent mass percentage composition is:
Waterborne polyurethane modified organosilicon crylic acid latex 24%～30%
Acrylic elastic emulsion 12%～17%
Nano filling 12%～16%
Nano-silicon water-resisting agent 0.8%～1.2%
Color stuffing 13%～24%
Terepthaloyl moietie 1.3%～3.2%
Dispersion agent 0.4%～1.5%
Skimmer 0.2%～0.8%
Thickening material 0.2%～0.5%
Sanitas 0.1%～0.8%
Film coalescence aid 0.4%～1.8%
Flow agent 0.1%～0.6%
PH regulator agent 0.6%～2.4%
Deionized water 15%～24%
Described waterborne polyurethane modified organosilicon crylic acid latex (quality is by 100%) comprises following component, and each constituent mass percentage composition is:
Organosilicon crylic acid latex 61%～75%
Aqueous polyurethane 18%～32%
Compound emulsifying agent 2.5%～4%
Deionized water 2%～3.4%
Said compound emulsifying agent is anionic emulsifier and nonionic emulsifier by mass ratio 1: (1.4～1.6) are composite, and anionic emulsifier is a sodium laurylsulfonate, and nonionic emulsifier is OP-10.
Described acrylic elastic emulsion, solid content are 44.5%～46%.
The comprising following kind and account for total constituent mass content of described Nano filling: nano aluminium oxide 4%～6%, nano zine oxide 3%～5%, calcium silicate nanowire 5%～8%, its size all is lower than 100 nanometers.
The more excellent content of described color stuffing is 13%～19%, the kind that comprises and account for total constituent mass content and be: white titanium pigment 4%～12%, hollow glass micropearl 3%～8%, wet method sericite≤6%, dicalcium powder 5%～10%.
Described dispersion agent is a kind of AS, and lathering property is low, can improve the flowability of coating, has the excellent properties of stable slurry viscosity, and model is 5040.
Described skimmer be a kind of be the skimmer of staple with the modified polyorganosiloxane, model is STXP-4.
Described thickening material is that a kind of non-ionic type, association type of hydrophobic grouping modification exchanges the modification thickening material, and model is STZC-920.
Described pH regulator agent is a 2-amino-2-methyl-1-propanol, and model is AMP-95.
Described film coalescence aid is 2,2,4-trimethylammonium-1,3-pentanediol only son acid esters.
Described sanitas is a kind of fungicidal preservative, and model is STFM-1.
Described softening agent is a DOP.
Described flow agent is a urethane.
The preparation method of a kind of waterborne polyurethane modified silicon third multifunctional water-proofing heat insulating elastic paint of the present invention is:
1) prepares waterborne polyurethane modified organosilicon crylic acid latex
At first, in reaction vessel, add gauge water, add compound emulsifying agent then and stir 8～12min, in reaction vessel, add organosilicon crylic acid latex and aqueous polyurethane solution at last simultaneously, stir 1～1.5 h, it is subsequent use promptly to get waterborne polyurethane modified organosilicon crylic acid latex.
2) the waterborne polyurethane modified silicon third multifunctional water-proofing heat insulating elastic paint of preparation
(1) takes by weighing each component respectively according to the shared quality of each component of prescription.
(2) with being dissolved in the deionized water after the heating of load weighted dispersion agent, add 40%～60% skimmer and terepthaloyl moietie respectively after, stirring velocity transfers to 400～500 r/min, stirs.
(3) in step (2), add load weighted color stuffing and Nano filling, stirring velocity is transferred to 5000～6000 r/min, stir 30～50min.
(4) stirring velocity is transferred to 300～500 r/min after, add respectively slowly waterborne polyurethane modified organosilicon crylic acid latex and acrylic elastic emulsion, add accomplish after, keep this stirring velocity to stir 10～30 min.
(5) in step (4), add remaining auxiliary agent, continue to stir 2.5～3 h, discharging promptly gets a kind of novel aqueous polyurethane-modified silicon third multifunctional water-proofing heat insulating elastic paint.
A kind of waterborne polyurethane modified silicon third multifunctional water-proofing heat insulating elastic paint and preparation method provided by the invention; The excellent properties that has not only combined aqueous polyurethane, organosilicon crylic acid latex, elastic emulsion itself to have, and in the preparation process, also remedied the defective of different emulsions.Simultaneously, thus in the preparation process, also added inorganic nano material, nano-silicon water-resisting agent have strengthened coating with the slit of filling metope and possibly occur waterproof thermal-insulated performance.
Waterborne polyurethane modified organosilicon crylic acid latex according to the invention adopts the physical blending method; Combinations such as the sticking power that the aqueous polyurethane-silicone-acrylic compound emulsion of this method preparation is not only good with urethane higher draw tensile strength and shock strength, excellent abrasive and acrylate resin, weathering resistance; Realize having complementary advantages; Improve product performance, and this method is can be handling strong, cost is low.
The coating of producing through above prescription and preparation method has following effect:
(1) the waterborne polyurethane modified silicon third multifunctional water-proofing heat insulating elastic paint of the present invention's preparation; Can be well that aqueous polyurethane is low temperature resistant, photostabilization, weathering resistance, the water tolerance of advantage such as good springiness, strong adhesion and polyacrylic ester combine, and possess the distinctive low VOC advantage of water-borne coatings.
(2) the waterborne polyurethane modified silicon third multifunctional water-proofing heat insulating elastic paint of the present invention's preparation; Can fine filling coating slit through adding nano material; Increase coating tensile strength, hardness, snappiness, and given many excellent properties such as coating heat-insulation and heat-preservation property, spatter property, pollution resistance.
Embodiment
For further describing the present invention, a kind of waterborne polyurethane modified silicon third multifunctional water-proofing heat insulating elastic paint of the present invention and preparation method are made more detailed description below in conjunction with embodiment.
Embodiment 1-5 waterborne polyurethane modified silicon third multifunctional water-proofing heat insulating elastic paints
Adopt the physical blending method to prepare waterborne polyurethane modified organosilicon crylic acid latex, it is as shown in table 1 to fill a prescription.At first, in reaction vessel, add gauge water, add compound emulsifying agent then and stir 10 min, add organosilicon crylic acid latex and aqueous polyurethane solution simultaneously, stir 1～1.5 h, promptly get waterborne polyurethane modified organosilicon crylic acid latex.
The formulation for coating material of specific embodiment is as shown in table 2.After earlier water, color stuffing, Nano filling, nano-silicon water-resisting agent being adopted the whisking appliance pre-mixing; The dispersion agent, terepthaloyl moietie, the skimmer that add half consumption respectively; Stirring velocity is transferred to 4000～6000 r/min, keep stirring 1～3 h, churning time is also decided by troubled water.After mixing of materials is even, stirring velocity is reduced to 300～600 r/min, in reactor drum, add filming emulsion, terepthaloyl moietie and other other auxiliary agents successively.Constant speed stirs 0.5～1.5 h, promptly gets the waterborne polyurethane modified silicon third multifunctional water-proofing heat insulating elastic paint.
Claims (3)
1. waterborne polyurethane modified silicon third a multifunctional water-proofing heat insulating elastic paint is characterized in that it being to be prepared from following component, and each constituent mass percentage composition is:
Waterborne polyurethane modified organosilicon crylic acid latex 24%～30%
Acrylic elastic emulsion 12%～17%
Nano filling 12%～16%
Nano-silicon water-resisting agent 0.8%～1.2%
Color stuffing 13%～24%
Terepthaloyl moietie 1.3%～3.2%
Dispersion agent 0.4%～1.5%
Skimmer 0.2%～0.8%
Thickening material 0.2%～0.5%
Sanitas 0.1%～0.8%
Film coalescence aid 0.4%～1.8%
Flow agent 0.1%～0.6%
PH regulator agent 0.6%～2.4%
Deionized water 15%～24%
Described waterborne polyurethane modified organosilicon crylic acid latex (quality is by 100%) comprises following component, and each constituent mass percentage composition is:
Organosilicon crylic acid latex 61%～75%
Aqueous polyurethane 18%～32%
Compound emulsifying agent 2.5%～4%
Deionized water 2%～3.4%
Described compound emulsifying agent is anionic emulsifier and nonionic emulsifier by mass ratio 1: (1.4～1.6) are composite.
2. a kind of waterborne polyurethane modified silicon third multifunctional water-proofing heat insulating elastic paint as claimed in claim 1 is characterized in that:
Described anionic emulsifier is a sodium laurylsulfonate, and nonionic emulsifier is OP-10;
Described acrylic elastic emulsion, solid content are 44.5%～46%;
The comprising following kind and account for total constituent mass content of described Nano filling: nano aluminium oxide 4%～6%, nano zine oxide 3%～5%, calcium silicate nanowire 5%～8%, its size all is lower than 100 nanometers;
The content of described color stuffing is 13%～19%, the kind that comprises and account for total constituent mass content and be: white titanium pigment 4%～12%, hollow glass micropearl 3%～8%, wet method sericite≤6%, dicalcium powder 5%～10%;
Described dispersion agent is a kind of AS, and model is 5040;
Described skimmer be a kind of be the skimmer of staple with the modified polyorganosiloxane, model is STXP-4;
Described thickening material is that a kind of non-ionic type, association type of hydrophobic grouping modification exchanges the modification thickening material, and model is STZC-920;
Described pH regulator agent is a 2-amino-2-methyl-1-propanol, and model is AMP-95;
Described film coalescence aid is 2,2,4-trimethylammonium-1,3-pentanediol only son acid esters;
Described sanitas is a kind of fungicidal preservative, and model is STFM-1;
Described softening agent is a DOP;
Described flow agent is a urethane.
3. according to claim 1 or claim 2 the preparation method of a kind of waterborne polyurethane modified silicon third multifunctional water-proofing heat insulating elastic paint is characterized in that comprising following technology, step:
1) prepares waterborne polyurethane modified organosilicon crylic acid latex
At first, in reaction vessel, add gauge water, add compound emulsifying agent then and stir 8～12min, in reaction vessel, add organosilicon crylic acid latex and aqueous polyurethane solution then simultaneously, stir 1～1.5 h, it is subsequent use promptly to get waterborne polyurethane modified organosilicon crylic acid latex;
2) the waterborne polyurethane modified silicon third multifunctional water-proofing heat insulating elastic paint of preparation
(1) takes by weighing each component respectively according to the shared quality of each component of prescription;
(2) with being dissolved in the deionized water after the heating of load weighted dispersion agent, add 40%～60% skimmer and terepthaloyl moietie respectively after, stirring velocity transfers to 400～500 r/min, stirs;
(3) in step (2), add load weighted color stuffing and Nano filling, stirring velocity is transferred to 5000～6000 r/min, stir 30～50min;
(4) stirring velocity is transferred to 300～500 r/min after, add respectively slowly waterborne polyurethane modified organosilicon crylic acid latex and acrylic elastic emulsion, add accomplish after, keep this stirring velocity to stir 10～30 min;
(5) in step (4), add remaining auxiliary agent, continue to stir 2.5～3 h, discharging promptly gets a kind of novel aqueous polyurethane-modified silicon third multifunctional water-proofing heat insulating elastic paint.
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| CN103102718A (en) * | 2012-10-22 | 2013-05-15 | 江苏吉福新材料有限公司 | Waterborne polyurethane composite paint |
| CN103254752A (en) * | 2013-05-15 | 2013-08-21 | 青岛科顺防水材料有限公司 | Waterborne polyurethane weather-proof elastic waterproof paint |
| CN103360933A (en) * | 2013-07-22 | 2013-10-23 | 广东科顺化工实业有限公司 | Non-asphaltic waterborne spraying rapid hardening rubber waterproof paint and its manufacturing method |
| CN103436159A (en) * | 2013-09-11 | 2013-12-11 | 王国玺 | Composite high-polymer waterproof paint and preparation method thereof |
| CN103614037A (en) * | 2013-10-28 | 2014-03-05 | 蚌埠凯盛工程技术有限公司 | Environmentally-friendly waterproof building coating |
| CN105199516A (en) * | 2015-10-30 | 2015-12-30 | 桂林市和鑫防水装饰材料有限公司 | Acrylic ester waterproof coating for building |
| CN106009477A (en) * | 2016-08-08 | 2016-10-12 | 南阳师范学院 | 3D new year picture and manufacturing method thereof |
| CN106349432A (en) * | 2016-09-05 | 2017-01-25 | 华南理工大学 | Polyurethane modified silicone-acrylic emulsion and preparation method and application thereof |
| CN107700557A (en) * | 2017-10-26 | 2018-02-16 | 郭春未 | Native external wall waterproof construction method is faced in a kind of underground |
| CN107785098A (en) * | 2017-11-01 | 2018-03-09 | 福州市鼓楼区智搜信息科技有限公司 | A kind of wire with fixed structure |
| CN108359374A (en) * | 2018-01-15 | 2018-08-03 | 江苏翔鹭节能科技有限公司 | It can be used for the heat-barrier material and preparation method thereof of inner-outer wall |
| CN108587364A (en) * | 2018-03-30 | 2018-09-28 | 南通科顺建筑新材料有限公司 | A kind of low temperature resistant roofing waterproof heat insulation sealing material and preparation method thereof |
| CN109135452A (en) * | 2018-06-20 | 2019-01-04 | 河南阳光防水科技有限公司 | Elastic infiltration solidification waterproofing agent |
| CN109401391A (en) * | 2018-11-22 | 2019-03-01 | 常州天瑞新材料科技有限公司 | A kind of aqueous, environmental protective nano paint of super resistant |
| CN111793402A (en) * | 2020-08-06 | 2020-10-20 | 泉州弘泰智能科技有限公司 | Interior wall heat-insulating coating and preparation method thereof |
| CN113817380A (en) * | 2021-09-29 | 2021-12-21 | 惠州市惠阳区嘉泰涂料有限公司 | Low-temperature-resistant water polyurethane modified silicone-acrylic anticorrosive paint and preparation method thereof |
| CN114437602A (en) * | 2020-11-04 | 2022-05-06 | Atnd股份有限公司 | Color coating paint and manufacturing method thereof |
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| CN103102718A (en) * | 2012-10-22 | 2013-05-15 | 江苏吉福新材料有限公司 | Waterborne polyurethane composite paint |
| CN103254752A (en) * | 2013-05-15 | 2013-08-21 | 青岛科顺防水材料有限公司 | Waterborne polyurethane weather-proof elastic waterproof paint |
| CN103360933A (en) * | 2013-07-22 | 2013-10-23 | 广东科顺化工实业有限公司 | Non-asphaltic waterborne spraying rapid hardening rubber waterproof paint and its manufacturing method |
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| CN105199516A (en) * | 2015-10-30 | 2015-12-30 | 桂林市和鑫防水装饰材料有限公司 | Acrylic ester waterproof coating for building |
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| CN106349432A (en) * | 2016-09-05 | 2017-01-25 | 华南理工大学 | Polyurethane modified silicone-acrylic emulsion and preparation method and application thereof |
| CN106349432B (en) * | 2016-09-05 | 2019-05-14 | 华南理工大学 | A kind of polyurethane-modified silicone acrylic emulsion and the preparation method and application thereof |
| CN107700557A (en) * | 2017-10-26 | 2018-02-16 | 郭春未 | Native external wall waterproof construction method is faced in a kind of underground |
| CN107785098A (en) * | 2017-11-01 | 2018-03-09 | 福州市鼓楼区智搜信息科技有限公司 | A kind of wire with fixed structure |
| CN108359374A (en) * | 2018-01-15 | 2018-08-03 | 江苏翔鹭节能科技有限公司 | It can be used for the heat-barrier material and preparation method thereof of inner-outer wall |
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| CN109401391A (en) * | 2018-11-22 | 2019-03-01 | 常州天瑞新材料科技有限公司 | A kind of aqueous, environmental protective nano paint of super resistant |
| CN111793402A (en) * | 2020-08-06 | 2020-10-20 | 泉州弘泰智能科技有限公司 | Interior wall heat-insulating coating and preparation method thereof |
| CN114437602A (en) * | 2020-11-04 | 2022-05-06 | Atnd股份有限公司 | Color coating paint and manufacturing method thereof |
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