CN101486868A - Sheet metal roofing waterproof coating material and preparation thereof - Google Patents
Sheet metal roofing waterproof coating material and preparation thereof Download PDFInfo
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- CN101486868A CN101486868A CNA2009100078522A CN200910007852A CN101486868A CN 101486868 A CN101486868 A CN 101486868A CN A2009100078522 A CNA2009100078522 A CN A2009100078522A CN 200910007852 A CN200910007852 A CN 200910007852A CN 101486868 A CN101486868 A CN 101486868A
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Abstract
The invention relates to a metal roof waterproof coating and a preparation method. The coating contains the following components according to proportion by weight: 217.36-226.24 parts of water, 496.96-517.24 parts of pure acrylic emulsion, 18.03-18.77 parts of dispersant, 7.64-7.96 parts of defoaming agent, 568.5-592 parts of pigment and filler, 5.78-6.02 parts of droxyethylcellulose, 4.7-4.9 parts of inorganic thixotropy thickening agent, 1.96-2.04 parts of surface active agent, 3.63-3.77 parts of mildew preventive, 7.25-7.55 parts of film-forming assistant, 8.23-8.57 parts of plasticizer and 1.17-1.22 parts of ammonia. The invention solves the problems that the present waterproof material is poor in low-temperature flexibility and weather resistance and short in service life and is incapable of being directly exposed in sunlight.
Description
Technical field
The present invention relates to a kind of waterproof paint, relate in particular to a kind of sheet metal roofing waterproof coating material and preparation method thereof, belong to building material field.
Background technology
The metal current roof waterpoof material is mainly JS glue waterproof paint, polyurethane water-proof paint and weather-proof silicone adhesive, and the low temperature flexibility of these materials is poor, weathering resistance is poor, and these materials can not directly be exposed under the sunlight simultaneously, and the usage period was generally 1～2 year.
Summary of the invention
Technology of the present invention is dealt with problems and is: overcome the deficiencies in the prior art, a kind of sheet metal roofing waterproof coating material and preparation method thereof is provided, solved that present water-proof material low temperature flexibility is poor, the weathering resistance difference and can not directly be exposed under the sunlight, short-life problem.
Technical solution of the present invention is: sheet metal roofing waterproof coating material is characterized in: the component that comprises following weight proportion: 217.36～226.24 parts in water, 496.96～517.24 parts of pure-acrylic emulsions, 18.03～18.77 parts of dispersion agents, 7.64～7.96 parts of defoamers, 568.5～592 parts of color stuffings, 5.78～6.02 parts of Natvosols, 4.7～4.9 parts of inorganic thixotropic thickening agents, 1.96～2.04 parts in tensio-active agent, 3.63～3.77 parts of mould inhibitors, 7.25～7.55 parts of film coalescence aid, 8.23～8.57 parts in softening agent, 1.17～1.22 parts of ammoniacal liquor.
Described dispersion agent is an anionic dispersing agent, described defoamer is the non-ionic type defoamer, described inorganic thixotropic thickening agent is a calcined kaolin, described mould inhibitor is octyl group-isothiazolinone or two benzamide or benzimidazole carbamate or ethylene bisdithiocarbamic ammonium, described film coalescence aid is an ester alcohols film coalescence aid, and described softening agent is dioctyl phthalate (DOP) or dibutyl phthalate or Octyl adipate or dioctyl sebacate.
Described color stuffing is made up of pigment and filler, and described pigment contains golden red type titanium dioxide 10～100% (weight percent), and described filler is a water-ground limestone.As preferred embodiment, described water-ground limestone is 325～500 order water-ground limestones.
The sheet metal roofing waterproof coating material preparation method may further comprise the steps:
(1) fs: add 165.82～172.58 parts of entry, 74.68～77.72 parts of pure-acrylic emulsions successively in agitator, open stirrer, the rotating speed of adjusting stirrer is 600～900 rev/mins, evenly stirs; Add 18.03～18.77 parts of dispersion agents, 1.96～2.04 parts of defoamers, 568.5～592 parts of color stuffings, 0.88～0.92 part of Natvosol then successively, the rotating speed of adjusting stirrer is 1045～1155 rev/mins, evenly stirred 28～32 minutes, change step (2) over to;
(2) subordinate phase: add 4.7～4.9 parts of inorganic thixotropic thickening agents in the agitator of step (1), keeping the rotating speed of stirrer is 1045～1155 rev/mins, evenly stirs after 4～6 minutes to stop;
(3) phase III: add 422.28～439.52 parts of pure-acrylic emulsions in the agitator of step (2), open stirrer, the rotating speed of adjusting stirrer is 570～630 rev/mins, evenly stirs; Add 5.68～5.92 parts of defoamers, 1.96～2.04 parts in tensio-active agent, 3.63～3.77 parts of mould inhibitors, 7.25～7.55 parts of film coalescence aid, 8.23～8.57 parts in softening agent then successively;
(4) quadravalence sections: 4.9～5.1 parts of Natvosols are joined in 51.55～53.65 parts in the water, stir, add the back and continue to stir 1.9～2.1 minutes, form hydroxyethyl cellulose aqueous solution while add; Then 1.17～1.22 parts of ammoniacal liquor are poured in the agitator of step (3), and the hydroxyethyl cellulose aqueous solution that stirs is joined in the agitator of step (3), keeping the rotating speed of stirrer is 570～630 rev/mins, evenly stirs after 38～42 minutes to stop.
The rotating speed of above-mentioned four-stage is as the criterion to guarantee that material does not splash.
The present invention compared with prior art has following advantage:
(1) the present invention is by adding pure-acrylic emulsion in the coating to, and pure-acrylic emulsion has low especially second-order transition temperature, so waterproof paint of the present invention has good low temperature flexibility.
(2) the present invention utilizes the strong weathering resistance and the strong sunlight reflectivity of golden red type titanium dioxide, by in coating, adding golden red type titanium dioxide, thereby improved the weathering resistance of waterproof paint, even waterproof paint of the present invention also has good weathering resistance under the direct projection of sunlight.
(3) the present invention has further improved the elasticity and the fatigue performance of pure-acrylic emulsion by adding softening agent, thereby has overcome flexible big, the flexible frequent shortcoming of metal Roof.
(4) the present invention prevents the mildew attack waterproof layer by adding mould inhibitor, has increased the usage period of waterproof paint.
Embodiment
Below in conjunction with specific embodiment the present invention is described in further detail.
The weight proportion of sheet metal roofing waterproof coating material of the present invention and preparation method thereof embodiment is as follows:
Embodiment 1
Preparation condition: normal temperature and pressure, the agitator that uses is the stainless steel metal agitator.Step is:
(1) fs: add 165.82 parts of entry, 74.68 parts of pure-acrylic emulsions successively in agitator, open stirrer, the rotating speed of adjusting stirrer is 800 rev/mins, evenly stirs; (the polyelectrolyte carboxylic acid sodium salt can to add polyelectrolyte carboxylic acid sodium salt Orotan731A:18.03 part then successively, this example employing Orotan731A), non-ionic type defoamer Foamaster 8034E:1.96 part, CR828 golden red type titanium dioxide: 98 parts, 400 order water-ground limestones: 470.5 parts, Natvosol Natrosol 250HBR:0.88 part, the rotating speed of adjusting stirrer is 1050 rev/mins, evenly stirred 32 minutes, change step (2) over to;
Color stuffing is 568.5 parts in this example, wherein 98 parts of pigment (golden red type titanium dioxide), 470.5 parts of fillers (400 order water-ground limestone).
(2) subordinate phase: add calcined kaolin Attagel 50:4.7 part (inorganic thixotropic thickening agent, Engelhard company produces) in the agitator of step (1), keeping the rotating speed of stirrer is 1050 rev/mins, evenly stirs after 6 minutes to stop;
(3) phase III: add 422.28 parts of pure-acrylic emulsions in the agitator of step (2), open stirrer, the rotating speed of adjusting stirrer is 570 rev/mins, evenly stirs; Add non-ionic type defoamer Foamaster 8034E:5.68 part, tensio-active agent Triton x-305:1.96 part, octyl group-isothiazolinone SKANE M-8:3.63 part (playing mildew-proof function), ten diester alcohol (ester alcohols film coalescence aid a kind of) then successively: 7.25 parts, dibutyl phthalate: 8.23 parts (playing plastification);
(4) quadravalence sections: Natvosol Natrosol250HBR:4.9 part is joined water: in 51.55 parts, stir, add the back and continue to stir 2.1 minutes, form hydroxyethyl cellulose aqueous solution while add; Then 1.17 parts of ammoniacal liquor are poured in the agitator of step (3), and the aforementioned hydroxyethyl cellulose aqueous solution that stirs is joined in the agitator of step (3), keeping the rotating speed of stirrer is 570 rev/mins, evenly stirs after 42 minutes to stop.
Embodiment 2
Preparation condition: normal temperature and pressure, employed agitator are plastic tank.Step is:
(1) fs: add 169.20 parts of entry successively in agitator, pure-acrylic emulsion is opened stirrer for 76.20 parts, the rotating speed of adjusting stirrer is 900 rev/mins, evenly stirs; (polyelectrolyte vinylformic acid ammonium salt can to add polyelectrolyte vinylformic acid ammonium salt Orotan1124:18.40 part then successively, this example employing Orotan1124), non-ionic type defoamer Bentone EW:2.00 part, the R906 of Du Pont golden red type titanium dioxide: 20.00 parts, 325 order water-ground limestones: 555.00 parts, phthalocyanine: 4.79 parts, mineral black: 0.80 part, Natvosol Natrosol 250HHBR:0.90 part, the rotating speed of adjusting stirrer is 1100 rev/mins, evenly stirred 30 minutes, change step (2) over to;
Color stuffing is 580.59 parts in this example, and wherein pigment 25.59 parts (containing 20.00 parts of golden red type titanium dioxides, 4.79 parts of phthalocyanines, 0.80 part of mineral black), filler (325 order water-ground limestone) are 555.00 parts.
(2) subordinate phase: add calcined kaolin Bentone EW:4.80 part (inorganic thixotropic thickening agent, Elementis company produces) in the agitator of step (1), keeping the rotating speed of stirrer is 1100 rev/mins, evenly stirs after 5 minutes to stop;
(3) phase III: add 430.90 parts of pure-acrylic emulsions in the agitator of step (2), open stirrer, the rotating speed of adjusting stirrer is 600 rev/mins, evenly stirs; Add non-ionic type defoamer DuophilTM JD-7240:5.80 part, tensio-active agent Triton x-405:2.00 part, two benzamide Densil SP:3.70 part (playing mildew-proof function), gray(Gy) then successively and think HY-1800:7.40 part (ester alcohols film coalescence aid a kind of), dioctyl phthalate (DOP): 8.40 parts (playing plastification);
(4) quadravalence sections: Natvosol Natrolsol 250HHBR:5.00 part is joined water: in 52.60 parts, stir, add the back and continue to stir 2 minutes, form hydroxyethyl cellulose aqueous solution while add; Then 1.20 parts of ammoniacal liquor are poured in the agitator of step (3), and the aforementioned hydroxyethyl cellulose aqueous solution that stirs is joined in the agitator of step (3), keeping the rotating speed of stirrer is 600 rev/mins, evenly stirs after 40 minutes to stop.
Embodiment 3
Preparation condition: normal temperature and pressure, employed agitator is the stainless steel cask after polishing.Step is:
(1) fs: add 172.58 parts of entry, 77.72 parts of pure-acrylic emulsions successively in agitator, open stirrer, the rotating speed of adjusting stirrer is 700 rev/mins, evenly stirs; Add anionic dispersing agent DuodisperTM AP-550:18.77 part (sodium oleate carboxylate salt or sulfuric acid or sulfonate also can), non-ionic type defoamer SN-Defoamer 154:2.04 part, CR828 golden red type titanium dioxide then successively: 98 parts, 500 order water-ground limestones: 479 parts, phthalocyanine blue pigment CP15:12.65 part, violet pigment CP9:0.83 part, carbon black pigment CP1:1.30 part, Natvosol Natrosol 250HBR:0.92 part, the rotating speed of adjusting stirrer is 1150 rev/mins, evenly stirred 28 minutes, change step (2) over to;
Color stuffing is 591.78 parts in this example, and wherein pigment 112.78 parts (containing 98 parts of golden red type titanium dioxides, 12.65 parts of phthalocyanine blue pigment, 0.83 part of violet pigment, 1.30 parts of carbon black pigments), filler (500 order water-ground limestone) are 479 parts.
(2) subordinate phase: add calcined kaolin Laponite WH:4.9 part (inorganic thixotropic thickening agent, Laporte company produces) in the agitator of step (1), keeping the rotating speed of stirrer is 1150 rev/mins, evenly stirs after 4 minutes to stop;
(3) phase III: add 439.52 parts of pure-acrylic emulsions in the agitator of step (2), open stirrer, the rotating speed of adjusting stirrer is 630 rev/mins, evenly stirs; Add non-ionic type defoamer SN-Defoamer 154:5.92 part, tensio-active agent Triton CF-10:2.04 part, benzimidazole carbamate then successively: 3.77 parts (playing mildew-proof function, can also be ethylene bisdithiocarbamic ammonium), film coalescence aid TEXANOL
Ester alcohol: 7.55 parts, Octyl adipate: 8.57 parts (playing plastification, can also be dioctyl sebacate);
(4) quadravalence sections: Natvosol Natrosol 250HBR:5.1 part is joined water: in 53.65 parts, stir, add the back and continue to stir 1.9 minutes, form hydroxyethyl cellulose aqueous solution while add; Then 1.22 parts of ammoniacal liquor are poured in the agitator of step (3), and the aforementioned hydroxyethyl cellulose aqueous solution that stirs is joined in the agitator of step (3), keeping the rotating speed of stirrer is 630 rev/mins, evenly stirs after 38 minutes to stop.
The content that is not described in detail in the specification sheets of the present invention belongs to this area professional and technical personnel's known technology.
The present invention is not limited to the protection content that claim and specific embodiment are addressed, so long as any invention of creating out according to design of the present invention all should belong within protection scope of the present invention.
Claims (10)
1, sheet metal roofing waterproof coating material is characterized in that: the component that comprises following weight proportion: 217.36～226.24 parts in water, 496.96～517.24 parts of pure-acrylic emulsions, 18.03～18.77 parts of dispersion agents, 7.64～7.96 parts of defoamers, 568.5～592 parts of color stuffings, 5.78～6.02 parts of Natvosols, 4.7～4.9 parts of inorganic thixotropic thickening agents, 1.96～2.04 parts in tensio-active agent, 3.63～3.77 parts of mould inhibitors, 7.25～7.55 parts of film coalescence aid, 8.23～8.57 parts in softening agent, 1.17～1.22 parts of ammoniacal liquor.
2, sheet metal roofing waterproof coating material according to claim 1 is characterized in that: described dispersion agent is an anionic dispersing agent.
3, sheet metal roofing waterproof coating material according to claim 1 is characterized in that: described defoamer is the non-ionic type defoamer.
4, sheet metal roofing waterproof coating material according to claim 1 is characterized in that: described inorganic thixotropic thickening agent is a calcined kaolin.
5, sheet metal roofing waterproof coating material according to claim 1 is characterized in that: described mould inhibitor is octyl group-isothiazolinone or two benzamide or benzimidazole carbamate or ethylene bisdithiocarbamic ammonium.
6, sheet metal roofing waterproof coating material according to claim 1 is characterized in that: described film coalescence aid is an ester alcohols film coalescence aid.
7, sheet metal roofing waterproof coating material according to claim 1 is characterized in that: described softening agent is dioctyl phthalate (DOP) or dibutyl phthalate or Octyl adipate or dioctyl sebacate.
8, sheet metal roofing waterproof coating material according to claim 1 is characterized in that: described color stuffing is made up of pigment and filler, and described pigment contains golden red type titanium dioxide 10～100% (weight percent), and described filler is a water-ground limestone.
9, sheet metal roofing waterproof coating material according to claim 8 is characterized in that: described water-ground limestone is 325～500 order water-ground limestones.
10, sheet metal roofing waterproof coating material preparation method is characterized in that: may further comprise the steps:
(1) fs: add 165.82～172.58 parts of entry, 74.68～77.72 parts of pure-acrylic emulsions successively in agitator, open stirrer, the rotating speed of adjusting stirrer is 600～900 rev/mins, evenly stirs; Add 18.03～18.77 parts of dispersion agents, 1.96～2.04 parts of defoamers, 568.5～592 parts of color stuffings, 0.88～0.92 part of Natvosol then successively, the rotating speed of adjusting stirrer is 1045～1155 rev/mins, evenly stirred 28～32 minutes, change step (2) over to;
(2) subordinate phase: add 4.7～4.9 parts of inorganic thixotropic thickening agents in the agitator of step (1), keeping the rotating speed of stirrer is 1045～1155 rev/mins, evenly stirs after 4～6 minutes to stop;
(3) phase III: add 422.28～439.52 parts of pure-acrylic emulsions in the agitator of step (2), open stirrer, the rotating speed of adjusting stirrer is 570～630 rev/mins, evenly stirs; Add 5.68～5.92 parts of defoamers, 1.96～2.04 parts in tensio-active agent, 3.63～3.77 parts of mould inhibitors, 7.25～7.55 parts of film coalescence aid, 8.23～8.57 parts in softening agent then successively;
(4) quadravalence sections: 4.9～5.1 parts of Natvosols are joined in 51.55～53.65 parts in the water, stir, add the back and continue to stir 1.9～2.1 minutes, form hydroxyethyl cellulose aqueous solution while add; Then 1.17～1.22 parts of ammoniacal liquor are poured in the agitator of step (3), and the hydroxyethyl cellulose aqueous solution that stirs is joined in the agitator of step (3), keeping the rotating speed of stirrer is 570～630 rev/mins, evenly stirs after 38～42 minutes to stop.
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