CN106147474A - The preparation method of high-weatherability sheet metal roofing waterproof coating material - Google Patents
The preparation method of high-weatherability sheet metal roofing waterproof coating material Download PDFInfo
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- CN106147474A CN106147474A CN201510161112.XA CN201510161112A CN106147474A CN 106147474 A CN106147474 A CN 106147474A CN 201510161112 A CN201510161112 A CN 201510161112A CN 106147474 A CN106147474 A CN 106147474A
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Abstract
The present invention relates to the preparation method of high-weatherability sheet metal roofing waterproof coating material, described coating includes the component of following weight proportion: 217.36 ~ 226.24 parts of water, pure-acrylic emulsion 496.96 ~ 517.24 parts, dispersant 18.03 ~ 18.77 parts, defoamer 7.64 ~ 7.96 parts, color stuffing 568.5 ~ 592 parts, hydroxyethyl cellulose 5.78 ~ 6.02 parts, inorganic thixotropic thickening agent 4.7 ~ 4.9 parts, 1.96 ~ 2.04 parts of surfactant, antifungus agent 3.63 ~ 3.77 parts, coalescents 7.25 ~ 7.55 parts, plasticizer 8.23 ~ 8.57 parts, ammonia 1.17 ~ 1.22 parts.The present invention solves that current waterproof material low temperature flexibility is poor, weatherability difference and can not be directly exposed under sunlight, short-life problem.
Description
Technical field
The present invention relates to a kind of water-repellent paint, particularly relate to the preparation method of a kind of high-weatherability sheet metal roofing waterproof coating material, belong to building material field.
Technical background
Metal current roof waterpoof material is mainly JS glue water-repellent paint, polyurethane water-proof paint and weather-proof silicone adhesive, and the low temperature flexibility of these materials is poor, weatherability is poor, and these materials can not be directly exposed under sunlight simultaneously, and validity period is generally 1～2 year.
Summary of the invention
The technology of the present invention solves problem: overcome the deficiencies in the prior art, a kind of sheet metal roofing waterproof coating material and preparation method thereof is provided, solves that current waterproof material low temperature flexibility is poor, weatherability poor and can not be directly exposed under sunlight, short-life problem.
The technical solution of the present invention is: the preparation method of high-weatherability sheet metal roofing waterproof coating material, it is characterized in: include the component of following weight proportion: water 217.36～226.24 parts, pure-acrylic emulsion 496.96～517.24 parts, dispersant 18.03～18.77 parts, defoamer 7.64～7.96 parts, color stuffing 568.5～592 parts, hydroxyethyl cellulose 5.78～6.02 parts, inorganic thixotropic thickening agent 4.7～4.9 parts, surfactant 1.96～2.04 parts, antifungus agent 3.63～3.77 parts, coalescents 7.25～7.55 parts, plasticizer 8.23～8.57 parts, ammonia 1.17～1.22 parts.
Described dispersant is anionic dispersing agent, described defoamer is nonionic defoamer, described inorganic thixotropic thickening agent is calcined kaolin, described antifungus agent is octyl-isothiazolinone or bis-benzamide or benzimidazole carbamate or ethylene bisdithiocarbamic ammonium, described coalescents is ester alcohols coalescents, and described plasticizer is dioctyl phthalate or dibutyl phthalate or dioctyl adipate or di-n-octyl sebacate.
Described color stuffing is made up of pigment and filler, and described pigment contains golden red type titanium dioxide 10～100% (percentage by weight), and described filler is ground calcium carbonate.Preferably, described ground calcium carbonate is 325～500 mesh ground calcium carbonate.
The preparation method of high-weatherability sheet metal roofing waterproof coating material, comprises the following steps:
(1) first stage: be sequentially added into water 165.82～172.58 parts, pure-acrylic emulsion 74.68～77.72 parts in agitator, opening blender, the rotating speed adjusting blender is 600～900 revs/min, uniform stirring；Then dispersant 18.03～18.77 parts, defoamer 1.96～2.04 parts, color stuffing 568.5～592 parts, hydroxyethyl cellulose 0.88～0.92 part it are sequentially added into, the rotating speed adjusting blender is 1045～1155 revs/min, uniform stirring 28～32 minutes, proceed to step (2)；
(2) second stage: adding inorganic thixotropic thickening agent 4.7～4.9 parts in the agitator of step (1), the rotating speed being kept stirring for machine is 1045～1155 revs/min, uniform stirring 4～stop after 6 minutes；
(3) phase III: adding pure-acrylic emulsion 422.28～439.52 parts in the agitator of step (2), open blender, the rotating speed adjusting blender is 570～630 revs/min, uniform stirring；Then defoamer 5.68～5.92 parts, surfactant 1.96～2.04 parts, antifungus agent 3.63～3.77 parts, coalescents 7.25～7.55 parts, plasticizer 8.23～8.57 parts it are sequentially added into；
(4) fourth stage: hydroxyethyl cellulose 4.9～5.1 parts are joined in water 51.55～53.65 parts, add and stir, continues stirring 1.9～2.1 minutes, forms hydroxyethyl cellulose aqueous solution after adding；Then ammonia 1.17～1.22 parts are poured in the agitator of step (3), and the hydroxyethyl cellulose aqueous solution being stirred is joined in the agitator of step (3), the rotating speed being kept stirring for machine is 570～630 revs/min, uniform stirring 38～stopping after 42 minutes.
The rotating speed in aforementioned four stage is as the criterion guaranteeing that material does not splash.
The present invention compared with prior art has the advantage that
(1) present invention is by adding to pure-acrylic emulsion in coating, and pure-acrylic emulsion has the lowest vitrification point, so the low temperature flexibility that the water-repellent paint of the present invention has had.
(2) present invention utilizes the strong weatherability of golden red type titanium dioxide and strong sunlight reflexive, by adding golden red type titanium dioxide in coating, thus improve the weatherability of water-repellent paint, even if the weatherability that the water-repellent paint of the present invention has also had under the direct projection of sunlight.
(3) present invention is by adding plasticizer, further increases elasticity and the fatigue performance of pure-acrylic emulsion, thus overcomes the flexible shortcoming frequently big, flexible of metal Roof.
(4) present invention prevents mildew attack waterproof layer by adding antifungus agent, increases the validity period of water-repellent paint.
Detailed description of the invention
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 of use is stainless steel metal agitator.Step is:
(1) first stage: be sequentially added into 165.82 parts of water, pure-acrylic emulsion 74.68 parts in agitator, opening blender, the rotating speed adjusting blender is 800 revs/min, uniform stirring；Then (polyelectrolyte carboxylic acid sodium salt can be sequentially added into polyelectrolyte carboxylic acid sodium salt Orotan731A:18.03 part, this example use Orotan731A), nonionic defoamer Foamaster 8034E:1.96 part, CR828 golden red type titanium dioxide: 98 parts, 400 mesh ground calcium carbonate: 470.5 parts, hydroxyethyl cellulose Natrosol 250HBR:0.88 part, the rotating speed adjusting blender is 1050 revs/min, uniform stirring 32 minutes, proceeds to step (2)；Color stuffing 568.5 parts in this example, wherein pigment (golden red type titanium dioxide) 98 parts, filler (400 mesh ground calcium carbonate) 470.5 parts.
(2) second stage: add calcined kaolin Attagel 50:4.7 part (inorganic thixotropic thickening agent in the agitator of step (1), Engelhard company produces), the rotating speed being kept stirring for machine is 1050 revs/min, and uniform stirring stopped after 6 minutes；
(3) phase III: adding pure-acrylic emulsion 422.28 parts in the agitator of step (2), open blender, the rotating speed adjusting blender is 570 revs/min, uniform stirring；Then nonionic defoamer Foamaster 8034E:5.68 part, surfactant Triton x-305:1.96 part, octyl-isothiazolinone SKANE M-8:3.63 part (rise mildew-proof function), ten diester alcohol (one of ester alcohols coalescents) it are sequentially added into: 7.25 parts, dibutyl phthalate: 8.23 parts (playing plasticization)；
(4) fourth stage: hydroxyethyl cellulose Natrosol250HBR:4.9 part is joined water: in 51.55 parts, add and stir, continues stirring 2.1 minutes, forms hydroxyethyl cellulose aqueous solution after adding；Then ammonia 1.17 parts is poured in the agitator of step (3), and the aforementioned hydroxyethyl cellulose aqueous solution being stirred is joined in the agitator of step (3), the rotating speed being kept stirring for machine is 570 revs/min, and uniform stirring stopped after 42 minutes.
Embodiment 2
Preparation condition: normal temperature and pressure, the agitator used is Plastic Drum.Step is:
(1) first stage: be sequentially added into 169.20 parts of water in agitator, pure-acrylic emulsion 76.20 parts opens blender, the rotating speed adjusting blender is 900 revs/min, uniform stirring；Then (polyelectrolyte acrylic acid ammonium salt can be sequentially added into polyelectrolyte acrylic acid ammonium salt Orotan1124:18.40 part, this example use Orotan1124), nonionic defoamer Bentone EW:2.00 part, Du Pont R906 golden red type titanium dioxide: 20.00 parts, 325 mesh ground calcium carbonate: 555.00 parts, green pigment: 4.79 parts, mineral black: 0.80 part, hydroxyethyl cellulose Natrosol 250HHBR:0.90 part, the rotating speed adjusting blender is 1100 revs/min, uniform stirring 30 minutes, proceeds to step (2)；Color stuffing 580.59 parts in this example, wherein pigment 25.59 parts (containing golden red type titanium dioxide 20.00 parts, green pigment 4.79 parts, mineral black 0.80 part), filler (325 mesh ground calcium carbonate) 555.00 parts.
(2) second stage: add calcined kaolin Bentone EW:4.80 part (inorganic thixotropic thickening agent in the agitator of step (1), Elementis company produces), the rotating speed being kept stirring for machine is 1100 revs/min, and uniform stirring stopped after 5 minutes；
(3) phase III: adding pure-acrylic emulsion 430.90 parts in the agitator of step (2), open blender, the rotating speed adjusting blender is 600 revs/min, uniform stirring；Then be sequentially added into nonionic defoamer DuophilTM JD-7240:5.80 part, surfactant Triton x-405:2.00 part, bis-benzamide Densil SP:3.70 part (rise mildew-proof function), gray(Gy) think HY-1800:7.40 part (one of ester alcohols coalescents), dioctyl phthalate: 8.40 parts (playing plasticization)；
(4) fourth stage: hydroxyethyl cellulose Natrolsol 250HHBR:5.00 part is joined water: in 52.60 parts, add and stir, continues stirring 2 minutes, forms hydroxyethyl cellulose aqueous solution after adding；Then ammonia 1.20 parts is poured in the agitator of step (3), and the aforementioned hydroxyethyl cellulose aqueous solution being stirred is joined in the agitator of step (3), the rotating speed being kept stirring for machine is 600 revs/min, and uniform stirring stopped after 40 minutes.
The content not being described in detail in description of the invention belongs to professional and technical personnel in the field's known technology.
The protection content that the present invention is not limited to claim and specific embodiment is addressed, as long as any invention being created out according to the design of the present invention, within all should belonging to protection scope of the present invention.
Claims (10)
1. the preparation method of high-weatherability sheet metal roofing waterproof coating material, it is characterised in that: include the component of following weight proportion: water 217.36～226.24 parts, pure-acrylic emulsion 496.96～517.24 parts, dispersant 18.03～18.77 parts, defoamer 7.64～7.96 parts, color stuffing 568.5～592 parts, hydroxyethyl cellulose 5.78～6.02 parts, inorganic thixotropic thickening agent 4.7～4.9 parts, surfactant 1.96～2.04 parts, antifungus agent 3.63～3.77 parts, coalescents 7.25～7.55 parts, plasticizer 8.23～8.57 parts, ammonia 1.17～1.22 parts；Described color stuffing is made up of pigment and filler, and described filler is ground calcium carbonate.
The preparation method of high-weatherability sheet metal roofing waterproof coating material the most according to claim 1, it is characterised in that: described dispersant is anionic dispersing agent.
The preparation method of high-weatherability sheet metal roofing waterproof coating material the most according to claim 1, it is characterised in that: described defoamer is nonionic defoamer.
The preparation method of high-weatherability sheet metal roofing waterproof coating material the most according to claim 1, it is characterised in that: described inorganic thixotropic thickening agent is calcined kaolin.
The preparation method of high-weatherability sheet metal roofing waterproof coating material the most according to claim 1, it is characterised in that: described antifungus agent is octyl-isothiazolinone or bis-benzamide or benzimidazole carbamate or ethylene bisdithiocarbamic ammonium.
The preparation method of high-weatherability sheet metal roofing waterproof coating material the most according to claim 1, it is characterised in that: described coalescents is ester alcohols coalescents.
The preparation method of high-weatherability sheet metal roofing waterproof coating material the most according to claim 1, it is characterised in that: described plasticizer is dioctyl phthalate or dibutyl phthalate or dioctyl adipate or di-n-octyl sebacate.
The preparation method of high-weatherability sheet metal roofing waterproof coating material the most according to claim 1, it is characterised in that: described pigment contains golden red type titanium dioxide 10～100% (percentage by weight).
The preparation method of high-weatherability sheet metal roofing waterproof coating material the most according to claim 1, it is characterised in that: described ground calcium carbonate is 325～500 mesh ground calcium carbonate.
10. the preparation method of high-weatherability sheet metal roofing waterproof coating material, it is characterised in that: comprise the following steps:
(1) first stage: be sequentially added into water 165.82～172.58 parts, pure-acrylic emulsion 74.68～77.72 parts in agitator, opening blender, the rotating speed adjusting blender is 600～900 revs/min, uniform stirring；Then dispersant 18.03～18.77 parts, defoamer 1.96～2.04 parts, color stuffing 568.5～592 parts, hydroxyethyl cellulose 0.88～0.92 part it are sequentially added into, the rotating speed adjusting blender is 1045～1155 revs/min, uniform stirring 28～32 minutes, proceed to step (2)；
(2) second stage: adding inorganic thixotropic thickening agent 4.7～4.9 parts in the agitator of step (1), the rotating speed being kept stirring for machine is 1045～1155 revs/min, uniform stirring 4～stop after 6 minutes；
(3) phase III: adding pure-acrylic emulsion 422.28～439.52 parts in the agitator of step (2), open blender, the rotating speed adjusting blender is 570～630 revs/min, uniform stirring；Then defoamer 5.68～5.92 parts, surfactant 1.96～2.04 parts, antifungus agent 3.63～3.77 parts, coalescents 7.25～7.55 parts, plasticizer 8.23～8.57 parts it are sequentially added into；
(4) fourth stage: hydroxyethyl cellulose 4.9～5.1 parts are joined in water 51.55～53.65 parts, add and stir, continues stirring 1.9～2.1 minutes, forms hydroxyethyl cellulose aqueous solution after adding；Then ammonia 1.17～1.22 parts are poured in the agitator of step (3), and the hydroxyethyl cellulose aqueous solution being stirred is joined in the agitator of step (3), the rotating speed being kept stirring for machine is 570～630 revs/min, uniform stirring 38～stopping after 42 minutes.
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| CN107312417A (en) * | 2017-08-07 | 2017-11-03 | 上海建筑防水材料（集团）防水工程有限公司 | A kind of Pure acrylic-acid elastic environment-friendlywaterproof waterproof paint and its preparation technology |
| CN107629598A (en) * | 2017-09-29 | 2018-01-26 | 佛山市涂无忧建材有限公司 | A kind of high elasticity water-proof paint and preparation method thereof |
| CN107779067A (en) * | 2017-09-14 | 2018-03-09 | 张家港市双河染织有限公司 | A kind of weaving water-repellent paint |
| CN109666321A (en) * | 2018-12-25 | 2019-04-23 | 重庆纳斯美科技发展有限公司 | A kind of sheet metal roofing waterproof coating material and preparation method thereof |
| CN109777222A (en) * | 2018-12-24 | 2019-05-21 | 广州全系建材有限公司 | A kind of transparent watertight coating and preparation method thereof |
| CN109852179A (en) * | 2019-02-20 | 2019-06-07 | 上海牛元工贸有限公司 | A kind of metal Roof acrylic acid high-elastic waterproof coating and preparation method thereof |
| CN112159199A (en) * | 2019-07-02 | 2021-01-01 | 广州科德科技有限公司 | Hexagonal matrix self-repairing permeable crystallization multifunctional waterproof agent and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107312417A (en) * | 2017-08-07 | 2017-11-03 | 上海建筑防水材料（集团）防水工程有限公司 | A kind of Pure acrylic-acid elastic environment-friendlywaterproof waterproof paint and its preparation technology |
| CN107779067A (en) * | 2017-09-14 | 2018-03-09 | 张家港市双河染织有限公司 | A kind of weaving water-repellent paint |
| CN107629598A (en) * | 2017-09-29 | 2018-01-26 | 佛山市涂无忧建材有限公司 | A kind of high elasticity water-proof paint and preparation method thereof |
| CN109777222A (en) * | 2018-12-24 | 2019-05-21 | 广州全系建材有限公司 | A kind of transparent watertight coating and preparation method thereof |
| CN109666321A (en) * | 2018-12-25 | 2019-04-23 | 重庆纳斯美科技发展有限公司 | A kind of sheet metal roofing waterproof coating material and preparation method thereof |
| CN109852179A (en) * | 2019-02-20 | 2019-06-07 | 上海牛元工贸有限公司 | A kind of metal Roof acrylic acid high-elastic waterproof coating and preparation method thereof |
| CN112159199A (en) * | 2019-07-02 | 2021-01-01 | 广州科德科技有限公司 | Hexagonal matrix self-repairing permeable crystallization multifunctional waterproof agent and preparation method thereof |
| CN114086705A (en) * | 2021-12-22 | 2022-02-25 | 安徽福瑞尔铝业科技有限公司 | High-strength reinforced aluminum veneer for curtain wall and manufacturing process thereof |
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