CN105219242A - Low carbon finishing paint of aqueous, environmental protective and preparation method thereof - Google Patents
Low carbon finishing paint of aqueous, environmental protective and preparation method thereof Download PDFInfo
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Abstract
The invention discloses the low carbon finishing paint of a kind of aqueous, environmental protective, be made up of mixture and deionized water, the weight percent of mixture and deionized water is 9:7 ~ 11:5; The weight percent of each moiety of described mixture is as follows: water-borne acrylic resin 40% ~ 50%, isocyanate curing agent 2% ~ 5%, antirust color stuffing 25% ~ 30%, auxiliary agent 5% ~ 10%, anhydrous acetic acid 15% ~ 25%; Described antirust color stuffing is made up of titanium dioxide, barium sulfate, mill base and rust-stabilising pigment.The preparation method preparing the low carbon finishing paint of aqueous, environmental protective comprises the following steps: prepare water-borne acrylic resin solution, antirust color stuffing and auxiliary agent, then by isocyanate curing agent and water-borne acrylic resin solution mixing and stirring; Then add antirust color stuffing, auxiliary agent, anhydrous acetic acid successively, need to stir mixture while adding, finally dilute.Advantage of the present invention is: the low carbon finishing paint of this aqueous, environmental protective has good paint film adhesion, hardness, preservative property and weathering resistance.
Description
Technical field
The present invention relates to water-borne coatings field, particularly the low carbon finishing paint of a kind of aqueous, environmental protective on steel construction product and prepare the preparation method of the low carbon finishing paint of this aqueous, environmental protective.
Background technology
Finish paint at present on steel construction product mainly adopts organic solvent type coatings, containing a large amount of volatile organic compounds (being called for short VOC) in organic solvent type coatings, most of VOC is inflammable, explosive toxic substance, wherein include multiple carcinogenic substance, liver, kidney, brain, the neural system of its meeting harm people, stimulate eyes and respiratory tract, make allergic, make people produce headache, pharyngalgia and weak, human ecological environment is caused and has a strong impact on.Along with various countries' environmental regulation is to the restriction of volatile organic compounds, the research of current coating mainly develops towards environmental type coating direction.As the water-borne coatings of Environmentally friendly coatings, the content of the volatile organic matter wherein contained is very low, and thus the application of steel construction product is by the water-borne coatings future development towards environmental protection.Because steel construction product is applied to outdoor mostly, outdoor Working environment is mostly more severe, this just requires that the finish paint be coated on steel construction product has good antiseptic property and weathering resistance, but water-borne coatings common in the market also cannot reach above-mentioned performance, cannot meet user demand.
Summary of the invention
The technical problem of solution required for the present invention is: low carbon finishing paint of the aqueous, environmental protective with good paint film adhesion, hardness, preservative property and weathering resistance providing a kind of environmental protection and preparation method thereof.
For solving the problem, the technical solution used in the present invention is: the low carbon finishing paint of described aqueous, environmental protective is made up of mixture and deionized water, and described mixture and the weight percent of deionized water are 9:7 ~ 11:5; The per-cent that the moiety of described mixture and each composition account for mixture weight is as follows: water-borne acrylic resin 40% ~ 50%, isocyanate curing agent 2% ~ 5%, antirust color stuffing 25% ~ 30%, auxiliary agent 5% ~ 10%, anhydrous acetic acid 15% ~ 25%; Described antirust color stuffing is made up of titanium dioxide, barium sulfate, mill base and rust-stabilising pigment, wherein, titanium dioxide accounts for 10% ~ 20% of antirust color stuffing weight percent, barium sulfate accounts for 12% ~ 18% of antirust color stuffing weight percent, pigment printing paste accounts for 3% ~ 7% of antirust color stuffing weight percent, and all the other are rust-stabilising pigment.
Further, the low carbon finishing paint of aforesaid aqueous, environmental protective, wherein, the solid content of described water-borne acrylic resin is 65% ~ 75%, and pH value is 8.5 ~ 9, and hydroxy functional group controls within the scope of 10-100.
Further, the low carbon finishing paint of aforesaid aqueous, environmental protective, wherein, described mill base is pigment printing paste or mill mill base.
Further, the low carbon finishing paint of aforesaid aqueous, environmental protective, wherein, described rust-stabilising pigment is by zinc oxide, aluminum phosphate and form containing strontium powder, wherein, zinc oxide accounts for 33% ~ 48% of antirust filler weight per-cent, and aluminum phosphate accounts for 25% ~ 36% of antirust filler weight per-cent, account for 17% ~ 32% of antirust filler weight per-cent containing strontium powder, wherein the strontium content contained in strontium powder accounts for 8% ~ 10% containing strontium powder weight percent.
Further, the low carbon finishing paint of aforesaid aqueous, environmental protective, wherein, described auxiliary agent is made up of tensio-active agent, ammonia dipersant, silicone antifoam agent and flow agent, and described flow agent is organosilicon flow agent or urethane flow agent; Wherein, tensio-active agent accounts for 10% ~ 20% of auxiliary agent weight percent, ammonia dipersant accounts for 20% ~ 30% of auxiliary agent weight percent, and silicone antifoam agent accounts for 10% ~ 20% of auxiliary agent weight percent, and flow agent accounts for 40% ~ 50% of auxiliary agent weight percent.
Prepare the preparation method of the low carbon finishing paint of above-mentioned aqueous, environmental protective, described preparation method specifically comprises the following steps:
(1) water-borne acrylic resin deionized water is diluted to water-borne acrylic resin solution, the weight percent of water-borne acrylic resin and deionized water is 7:13 ~ 9:11;
(2) titanium dioxide, barium sulfate, mill base and rust-stabilising pigment Homogeneous phase mixing are made antirust color stuffing;
(3) to be mixed with water-borne acrylic resin solution by isocyanate curing agent and formation first mixing solutions that stirs, wherein stirring velocity controls at 200-300 rev/min;
(4) in the first mixing solutions, antirust color stuffing, auxiliary agent, anhydrous acetic acid is added successively, need to stir the first mixing solutions while antirust color stuffing, auxiliary agent and anhydrous acetic acid add, and continuation stirring 20-30min obtains the second mixing solutions after adding, wherein stirring velocity controls at 300-500 rev/min;
(5) the low carbon finishing paint of aqueous, environmental protective is namely obtained by after the second mixing solutions deionized water dilution.
Further, the preparation method of the low carbon finishing paint of aforesaid aqueous, environmental protective, wherein, adds in water-borne acrylic resin solution by isocyanate curing agent in step (1); The solid content of described water-borne acrylic resin is 65% ~ 75%, and pH value is 8.5 ~ 9, and hydroxy functional group controls within the scope of 10-100.
Further, the preparation method of the low carbon finishing paint of aforesaid aqueous, environmental protective, wherein, the mill base in step (2) is pigment printing paste or mill mill base.
Further, the preparation method of the low carbon finishing paint of aforesaid aqueous, environmental protective, wherein, rust-stabilising pigment in step (2) is by zinc oxide, aluminum phosphate and form containing strontium powder three Homogeneous phase mixing, wherein, zinc oxide accounts for 33% ~ 48% of antirust filler weight per-cent, and aluminum phosphate accounts for 25% ~ 36% of antirust filler weight per-cent, account for 17% ~ 32% of antirust filler weight per-cent containing strontium powder, wherein the strontium content contained in strontium powder accounts for 8% ~ 10% containing strontium powder weight percent.
Further, the preparation method of the low carbon finishing paint of aforesaid aqueous, environmental protective, wherein, the auxiliary agent in step (4) is formed by tensio-active agent, ammonia dipersant, silicone antifoam agent and flow agent Homogeneous phase mixing, and described flow agent is organosilicon flow agent or urethane flow agent; Wherein, tensio-active agent accounts for 10% ~ 20% of auxiliary agent weight percent, ammonia dipersant accounts for 20% ~ 30% of auxiliary agent weight percent, and silicone antifoam agent accounts for 10% ~ 20% of auxiliary agent weight percent, and flow agent accounts for 40% ~ 50% of auxiliary agent weight percent.
The invention has the beneficial effects as follows: the volatile organic content in the low carbon finishing paint of aqueous, environmental protective that (1) is above-mentioned is very low and have no irritating odor, reduce the pollution to surrounding environment, improve construction environment greatly, greatly protect the personnel safety of workmen; (2) by controlling the weight percent of each moiety and each moiety, make it have good paint film adhesion, hardness, preservative property and weathering resistance, can be applied in outdoor severe environment, in deep-etching severe environment as the application of water pipe and multiple steel construction product such as equipment, petrochemical pipe and equipment, agricultural equipment etc., substantially prolongs the work-ing life for the steel construction product in severe environment.
Embodiment
Below in conjunction with preferred embodiment, technical solutions according to the invention are described in further detail.
Embodiment one
The low carbon finishing paint of aqueous, environmental protective described in the present embodiment is made up of mixture and deionized water, and described mixture and the weight percent of deionized water are 9:7; The per-cent that the moiety of described mixture and each composition account for mixture weight is as follows: water-borne acrylic resin 50%, isocyanate curing agent 5%, antirust color stuffing 25%, auxiliary agent 5%, anhydrous acetic acid 15%.Described antirust color stuffing is made up of titanium dioxide, barium sulfate, mill base and rust-stabilising pigment, mill base described in the present embodiment is pigment printing paste or mill mill base, wherein, titanium dioxide accounts for 24% of antirust color stuffing weight percent, barium sulfate accounts for 14% of antirust color stuffing weight percent, pigment printing paste accounts for 7% of antirust color stuffing weight percent, and all the other are rust-stabilising pigment.
The solid content of the water-borne acrylic resin described in the present embodiment is 65%, and pH value is 8.5 ~ 9, and hydroxy functional group controls within the scope of 10-100.Described rust-stabilising pigment is by zinc oxide, aluminum phosphate and form containing strontium powder, wherein, zinc oxide accounts for 33% of antirust filler weight per-cent, aluminum phosphate accounts for 36% of antirust filler weight per-cent, account for 31% of antirust filler weight per-cent containing strontium powder, wherein the strontium content contained in strontium powder accounts for 8% ~ 10% containing strontium powder weight percent.Described auxiliary agent is made up of tensio-active agent, ammonia dipersant, silicone antifoam agent and flow agent, and described flow agent is organosilicon flow agent or urethane flow agent; Wherein, tensio-active agent accounts for 10% of auxiliary agent weight percent, and ammonia dipersant accounts for 30% of auxiliary agent weight percent, and silicone antifoam agent accounts for 10% of auxiliary agent weight percent, and flow agent accounts for 50% of auxiliary agent weight percent.In actual use, the tensio-active agent of the models such as the BYK346 that high by 245, the German Bi Ke chemical company of enlightening that tensio-active agent can adopt German Di Gao company to produce produces; The ammonium salt dispersion agent of the models such as the BYK247 that ammonium salt dispersion agent can adopt German Bi Ke chemical company to produce; The silicone antifoam agent of the models such as the enlightening high 810 that silicone antifoam agent can adopt German Di Gao company to produce; The flow agent of the models such as 450,4450 that flow agent can adopt aerochemistry company of the U.S. to produce.
The preparation method preparing the low carbon finishing paint of aqueous, environmental protective specifically comprises the following steps:
(1) water-borne acrylic resin deionized water is diluted to water-borne acrylic resin solution, the weight percent of water-borne acrylic resin and deionized water is 7:13;
(2) titanium dioxide, barium sulfate, mill base and rust-stabilising pigment Homogeneous phase mixing are made antirust color stuffing; Described rust-stabilising pigment is by zinc oxide, aluminum phosphate and form containing strontium powder three Homogeneous phase mixing;
(3) to be mixed with water-borne acrylic resin solution by isocyanate curing agent and formation first mixing solutions that stirs, wherein stirring velocity controls at 200 revs/min;
(4) in the first mixing solutions, antirust color stuffing, auxiliary agent, anhydrous acetic acid is added successively, need to stir the first mixing solutions while antirust color stuffing, auxiliary agent and anhydrous acetic acid add, and continuation stirring 30min obtains the second mixing solutions after adding, wherein stirring velocity controls at 300 revs/min; Described auxiliary agent is formed by tensio-active agent, ammonia dipersant, silicone antifoam agent and flow agent Homogeneous phase mixing;
(5) the low carbon finishing paint of aqueous, environmental protective is namely obtained by after the second mixing solutions deionized water dilution.
Carry out proportioning according to moiety each in the present embodiment, and the performance perameter of the low carbon finishing paint of aqueous, environmental protective prepared according to concrete technology parameter and step as shown in Table 1.
Table one: the comprehensive performance parameter table of the low carbon finishing paint of the aqueous, environmental protective prepared in embodiment one
| Project | Performance index | Testing standard |
| Paint film appearance | Flat smooth | Range estimation |
| Surface drying time (min) | 20 | GB/T 1728-79 |
| Do solid work the time (h) | 24 | GB/T 1728-79 |
| Snappiness (mm) | 2 | GB/T 1731-93 |
| Sticking power (level) | 1 | GB/T 1720-79 |
| Impact strength (kg.cm) | 40 | GB/T 1732-93 |
| Non-volatile content (%) | 45 | GB/T 1725-07 |
| Water tolerance (h) | 168 | GB/T 1733-93 |
| Resistance to salt water (h), 5%NaCl | 168 | GB/T 10834-89 |
| Acid resistance (8h), 3%HCl | 168 | GB/T 9274-98 |
| Alkali resistance (h), 5%NaOH | 168 | GB/T 9274-98 |
Embodiment two
The low carbon finishing paint of aqueous, environmental protective described in the present embodiment is made up of mixture and deionized water, and described mixture and the weight percent of deionized water are 11:5; The per-cent that the moiety of described mixture and each composition account for mixture weight is as follows: water-borne acrylic resin 47%, isocyanate curing agent 4%, antirust color stuffing 25%, auxiliary agent 7%, anhydrous acetic acid 17%.Described antirust color stuffing is made up of titanium dioxide, barium sulfate, mill base and rust-stabilising pigment, mill base described in the present embodiment is pigment printing paste or mill mill base, wherein, titanium dioxide accounts for 20% of antirust color stuffing weight percent, barium sulfate accounts for 17% of antirust color stuffing weight percent, pigment printing paste accounts for 3% of antirust color stuffing weight percent, and all the other are rust-stabilising pigment.
The solid content of the water-borne acrylic resin described in the present embodiment is 73%, and pH value is 8.5 ~ 9, and hydroxy functional group controls within the scope of 10-100.Described rust-stabilising pigment is by zinc oxide, aluminum phosphate and form containing strontium powder, wherein, zinc oxide accounts for 48% of antirust filler weight per-cent, aluminum phosphate accounts for 35% of antirust filler weight per-cent, account for 17% of antirust filler weight per-cent containing strontium powder, wherein the strontium content contained in strontium powder accounts for 8% ~ 10% containing strontium powder weight percent.Described auxiliary agent is made up of tensio-active agent, ammonia dipersant, silicone antifoam agent and flow agent, and described flow agent is organosilicon flow agent or urethane flow agent; Wherein, tensio-active agent accounts for 14% of auxiliary agent weight percent, and ammonia dipersant accounts for 20% of auxiliary agent weight percent, and silicone antifoam agent accounts for 18% of auxiliary agent weight percent, and flow agent accounts for 48% of auxiliary agent weight percent.In actual use, the tensio-active agent of the models such as the BYK346 that high by 245, the German Bi Ke chemical company of enlightening that tensio-active agent can adopt German Di Gao company to produce produces; The ammonium salt dispersion agent of the models such as the BYK247 that ammonium salt dispersion agent can adopt German Bi Ke chemical company to produce; The silicone antifoam agent of the models such as the enlightening high 810 that silicone antifoam agent can adopt German Di Gao company to produce; The flow agent of the models such as 450,4450 that flow agent can adopt aerochemistry company of the U.S. to produce.
The preparation method preparing the low carbon finishing paint of aqueous, environmental protective specifically comprises the following steps:
(1) water-borne acrylic resin deionized water is diluted to water-borne acrylic resin solution, the weight percent of water-borne acrylic resin and deionized water is 9:11;
(2) titanium dioxide, barium sulfate, mill base and rust-stabilising pigment Homogeneous phase mixing are made antirust color stuffing; Described rust-stabilising pigment is by zinc oxide, aluminum phosphate and form containing strontium powder three Homogeneous phase mixing;
(3) to be mixed with water-borne acrylic resin solution by isocyanate curing agent and formation first mixing solutions that stirs, wherein stirring velocity controls at 300 revs/min;
(4) in the first mixing solutions, antirust color stuffing, auxiliary agent, anhydrous acetic acid is added successively, need to stir the first mixing solutions while antirust color stuffing, auxiliary agent and anhydrous acetic acid add, and continuation stirring 20min obtains the second mixing solutions after adding, wherein stirring velocity controls at 440 revs/min; Described auxiliary agent is formed by tensio-active agent, ammonia dipersant, silicone antifoam agent and flow agent Homogeneous phase mixing;
(5) the low carbon finishing paint of aqueous, environmental protective is namely obtained by after the second mixing solutions deionized water dilution.
Carry out proportioning according to moiety each in the present embodiment, and the performance perameter of the low carbon finishing paint of aqueous, environmental protective prepared according to concrete technology parameter and step as shown in Table 2.
Table two: the comprehensive performance parameter table of the low carbon finishing paint of the aqueous, environmental protective prepared in embodiment two
| Project | Performance index | Testing standard |
| Paint film appearance | Flat smooth | Range estimation |
| Surface drying time (min) | 20 | GB/T 1728-79 |
| Do solid work the time (h) | 24 | GB/T 1728-79 |
| Snappiness (mm) | 2 | GB/T 1731-93 |
| Sticking power (level) | 1 | GB/T 1720-79 |
| Impact strength (kg.cm) | 40 | GB/T 1732-93 |
| Non-volatile content (%) | 45 | GB/T 1725-07 |
| Water tolerance (h) | 135 | GB/T 1733-93 |
| Resistance to salt water (h), 5%NaCl | 130 | GB/T 10834-89 |
| Acid resistance (8h), 3%HCl | 130 | GB/T 9274-98 |
| Alkali resistance (h), 5%NaOH | 130 | GB/T 9274-98 |
Embodiment three
The low carbon finishing paint of aqueous, environmental protective described in the present embodiment is made up of mixture and deionized water, and described mixture and the weight percent of deionized water are 5:3; The per-cent that the moiety of described mixture and each composition account for mixture weight is as follows: water-borne acrylic resin 44%, isocyanate curing agent 3%, antirust color stuffing 27%, auxiliary agent 6%, anhydrous acetic acid 20%.Described antirust color stuffing is made up of titanium dioxide, barium sulfate, mill base and rust-stabilising pigment, mill base described in the present embodiment is pigment printing paste or mill mill base, wherein, titanium dioxide accounts for 27% of antirust color stuffing weight percent, barium sulfate accounts for 18% of antirust color stuffing weight percent, pigment printing paste accounts for 4% of antirust color stuffing weight percent, and all the other are rust-stabilising pigment.
The solid content of the water-borne acrylic resin described in the present embodiment is 70%, and pH value is 8.5 ~ 9, and hydroxy functional group controls within the scope of 10-100.Described rust-stabilising pigment is by zinc oxide, aluminum phosphate and form containing strontium powder, wherein, zinc oxide accounts for 40% of antirust filler weight per-cent, aluminum phosphate accounts for 28% of antirust filler weight per-cent, account for 32% of antirust filler weight per-cent containing strontium powder, wherein the strontium content contained in strontium powder accounts for 8% ~ 10% containing strontium powder weight percent.Described auxiliary agent is made up of tensio-active agent, ammonia dipersant, silicone antifoam agent and flow agent, and described flow agent is organosilicon flow agent or urethane flow agent; Wherein, tensio-active agent accounts for 13% of auxiliary agent weight percent, and ammonia dipersant accounts for 25% of auxiliary agent weight percent, and silicone antifoam agent accounts for 17% of auxiliary agent weight percent, and flow agent accounts for 45% of auxiliary agent weight percent.In actual use, the tensio-active agent of the models such as the BYK346 that high by 245, the German Bi Ke chemical company of enlightening that tensio-active agent can adopt German Di Gao company to produce produces; The ammonium salt dispersion agent of the models such as the BYK247 that ammonium salt dispersion agent can adopt German Bi Ke chemical company to produce; The silicone antifoam agent of the models such as the enlightening high 810 that silicone antifoam agent can adopt German Di Gao company to produce; The flow agent of the models such as 450,4450 that flow agent can adopt aerochemistry company of the U.S. to produce.
The preparation method preparing the low carbon finishing paint of aqueous, environmental protective specifically comprises the following steps:
(1) water-borne acrylic resin deionized water is diluted to water-borne acrylic resin solution, the weight percent of water-borne acrylic resin and deionized water is 4:6;
(2) titanium dioxide, barium sulfate, mill base and rust-stabilising pigment Homogeneous phase mixing are made antirust color stuffing; Described rust-stabilising pigment is by zinc oxide, aluminum phosphate and form containing strontium powder three Homogeneous phase mixing;
(3) to be mixed with water-borne acrylic resin solution by isocyanate curing agent and formation first mixing solutions that stirs, wherein stirring velocity controls at 230 revs/min;
(4) in the first mixing solutions, antirust color stuffing, auxiliary agent, anhydrous acetic acid is added successively, need to stir the first mixing solutions while antirust color stuffing, auxiliary agent and anhydrous acetic acid add, and continuation stirring 28min obtains the second mixing solutions after adding, wherein stirring velocity controls at 340 revs/min; Described auxiliary agent is formed by tensio-active agent, ammonia dipersant, silicone antifoam agent and flow agent Homogeneous phase mixing;
(5) the low carbon finishing paint of aqueous, environmental protective is namely obtained by after the second mixing solutions deionized water dilution.
Carry out proportioning according to moiety each in the present embodiment, and the performance perameter of the low carbon finishing paint of aqueous, environmental protective prepared according to concrete technology parameter and step as shown in Table 3.
Table three: the comprehensive performance parameter table of the low carbon finishing paint of the aqueous, environmental protective prepared in embodiment three
| Project | Performance index | Testing standard |
| Paint film appearance | Flat smooth | Range estimation |
| Surface drying time (min) | 20 | GB/T 1728-79 |
| Do solid work the time (h) | 24 | GB/T 1728-79 |
| Snappiness (mm) | 2 | GB/T 1731-93 |
| Sticking power (level) | 1 | GB/T 1720-79 |
| Impact strength (kg.cm) | 40 | GB/T 1732-93 |
| Non-volatile content (%) | 45 | GB/T 1725-07 |
| Water tolerance (h) | 100 | GB/T 1733-93 |
| Resistance to salt water (h), 5%NaCl | 72 | GB/T 10834-89 |
| Acid resistance (8h), 3%HCl | 72 | GB/T 9274-98 |
| Alkali resistance (h), 5%NaOH | 72 | GB/T 9274-98 |
Embodiment four
The low carbon finishing paint of aqueous, environmental protective described in the present embodiment is made up of mixture and deionized water, and described mixture and the weight percent of deionized water are 11:5; The per-cent that the moiety of described mixture and each composition account for mixture weight is as follows: water-borne acrylic resin 42%, isocyanate curing agent 2%, antirust color stuffing 26%, auxiliary agent 5%, anhydrous acetic acid 25%.Described antirust color stuffing is made up of titanium dioxide, barium sulfate, mill base and rust-stabilising pigment, mill base described in the present embodiment is pigment printing paste or mill mill base, wherein, titanium dioxide accounts for 10% of antirust color stuffing weight percent, barium sulfate accounts for 16% of antirust color stuffing weight percent, pigment printing paste accounts for 5% of antirust color stuffing weight percent, and all the other are rust-stabilising pigment.
The solid content of the water-borne acrylic resin described in the present embodiment is 75%, and pH value is 8.5 ~ 9, and hydroxy functional group controls within the scope of 10-100.Described rust-stabilising pigment is by zinc oxide, aluminum phosphate and form containing strontium powder, wherein, zinc oxide accounts for 36% of antirust filler weight per-cent, aluminum phosphate accounts for 32% of antirust filler weight per-cent, account for 32% of antirust filler weight per-cent containing strontium powder, wherein the strontium content contained in strontium powder accounts for 8% ~ 10% containing strontium powder weight percent.Described auxiliary agent is made up of tensio-active agent, ammonia dipersant, silicone antifoam agent and flow agent, and described flow agent is organosilicon flow agent or urethane flow agent; Wherein, tensio-active agent accounts for 17% of auxiliary agent weight percent, and ammonia dipersant accounts for 22% of auxiliary agent weight percent, and silicone antifoam agent accounts for 20% of auxiliary agent weight percent, and flow agent accounts for 41% of auxiliary agent weight percent.In actual use, the tensio-active agent of the models such as the BYK346 that high by 245, the German Bi Ke chemical company of enlightening that tensio-active agent can adopt German Di Gao company to produce produces; The ammonium salt dispersion agent of the models such as the BYK247 that ammonium salt dispersion agent can adopt German Bi Ke chemical company to produce; The silicone antifoam agent of the models such as the enlightening high 810 that silicone antifoam agent can adopt German Di Gao company to produce; The flow agent of the models such as 450,4450 that flow agent can adopt aerochemistry company of the U.S. to produce.
The preparation method preparing the low carbon finishing paint of aqueous, environmental protective specifically comprises the following steps:
(1) water-borne acrylic resin deionized water is diluted to water-borne acrylic resin solution, the weight percent of water-borne acrylic resin and deionized water is 9:11;
(2) titanium dioxide, barium sulfate, mill base and rust-stabilising pigment Homogeneous phase mixing are made antirust color stuffing; Described rust-stabilising pigment is by zinc oxide, aluminum phosphate and form containing strontium powder three Homogeneous phase mixing;
(3) to be mixed with water-borne acrylic resin solution by isocyanate curing agent and formation first mixing solutions that stirs, wherein stirring velocity controls at 250 revs/min;
(4) in the first mixing solutions, antirust color stuffing, auxiliary agent, anhydrous acetic acid is added successively, need to stir the first mixing solutions while antirust color stuffing, auxiliary agent and anhydrous acetic acid add, and continuation stirring 22min obtains the second mixing solutions after adding, wherein stirring velocity controls at 400 revs/min; Described auxiliary agent is formed by tensio-active agent, ammonia dipersant, silicone antifoam agent and flow agent Homogeneous phase mixing;
(5) the low carbon finishing paint of aqueous, environmental protective is namely obtained by after the second mixing solutions deionized water dilution.
Carry out proportioning according to moiety each in the present embodiment, and the performance perameter of the low carbon finishing paint of aqueous, environmental protective prepared according to concrete technology parameter and step as shown in Table 4.
Table four: the comprehensive performance parameter table of the low carbon finishing paint of the aqueous, environmental protective prepared in embodiment four
| Project | Performance index | Testing standard |
| Paint film appearance | Flat smooth | Range estimation |
| Surface drying time (min) | 20 | GB/T 1728-79 |
| Do solid work the time (h) | 24 | GB/T 1728-79 |
| Snappiness (mm) | 2 | GB/T 1731-93 |
| Sticking power (level) | 1 | GB/T 1720-79 |
| Impact strength (kg.cm) | 40 | GB/T 1732-93 |
| Non-volatile content (%) | 45 | GB/T 1725-07 |
| Water tolerance (h) | 118 | GB/T 1733-93 |
| Resistance to salt water (h), 5%NaCl | 95 | GB/T 10834-89 |
| Acid resistance (8h), 3%HCl | 95 | GB/T 9274-98 |
| Alkali resistance (h), 5%NaOH | 95 | GB/T 9274-98 |
Embodiment five
The low carbon finishing paint of aqueous, environmental protective described in the present embodiment is made up of mixture and deionized water, and described mixture and the weight percent of deionized water are 5:3; The per-cent that the moiety of described mixture and each composition account for mixture weight is as follows: water-borne acrylic resin 40%, isocyanate curing agent 4%, antirust color stuffing 30%, auxiliary agent 10%, anhydrous acetic acid 16%.Described antirust color stuffing is made up of titanium dioxide, barium sulfate, mill base and rust-stabilising pigment, mill base described in the present embodiment is pigment printing paste or mill mill base, wherein, titanium dioxide accounts for 13% of antirust color stuffing weight percent, barium sulfate accounts for 12% of antirust color stuffing weight percent, pigment printing paste accounts for 6% of antirust color stuffing weight percent, and all the other are rust-stabilising pigment.
The solid content of the water-borne acrylic resin described in the present embodiment is 65%, and pH value is 8.5 ~ 9, and hydroxy functional group controls within the scope of 10-100.Described rust-stabilising pigment is by zinc oxide, aluminum phosphate and form containing strontium powder, wherein, zinc oxide accounts for 43% of antirust filler weight per-cent, aluminum phosphate accounts for 25% of antirust filler weight per-cent, account for 32% of antirust filler weight per-cent containing strontium powder, wherein the strontium content contained in strontium powder accounts for 8% ~ 10% containing strontium powder weight percent.Described auxiliary agent is made up of tensio-active agent, ammonia dipersant, silicone antifoam agent and flow agent, and described flow agent is organosilicon flow agent or urethane flow agent; Wherein, tensio-active agent accounts for auxiliary agent weight percent 20%, and ammonia dipersant accounts for 28% of auxiliary agent weight percent, and silicone antifoam agent accounts for 12% of auxiliary agent weight percent, and flow agent accounts for 40% of auxiliary agent weight percent.In actual use, the tensio-active agent of the models such as the BYK346 that high by 245, the German Bi Ke chemical company of enlightening that tensio-active agent can adopt German Di Gao company to produce produces; The ammonium salt dispersion agent of the models such as the BYK247 that ammonium salt dispersion agent can adopt German Bi Ke chemical company to produce; The silicone antifoam agent of the models such as the enlightening high 810 that silicone antifoam agent can adopt German Di Gao company to produce; The flow agent of the models such as 450,4450 that flow agent can adopt aerochemistry company of the U.S. to produce.
The preparation method preparing the low carbon finishing paint of aqueous, environmental protective specifically comprises the following steps:
(1) water-borne acrylic resin deionized water is diluted to water-borne acrylic resin solution, the weight percent of water-borne acrylic resin and deionized water is 4:6;
(2) titanium dioxide, barium sulfate, mill base and rust-stabilising pigment Homogeneous phase mixing are made antirust color stuffing; Described rust-stabilising pigment is by zinc oxide, aluminum phosphate and form containing strontium powder three Homogeneous phase mixing;
(3) to be mixed with water-borne acrylic resin solution by isocyanate curing agent and formation first mixing solutions that stirs, wherein stirring velocity controls at 250 revs/min;
(4) in the first mixing solutions, antirust color stuffing, auxiliary agent, anhydrous acetic acid is added successively, need to stir the first mixing solutions while antirust color stuffing, auxiliary agent and anhydrous acetic acid add, and continuation stirring 25min obtains the second mixing solutions after adding, wherein stirring velocity controls at 550 revs/min; Described auxiliary agent is formed by tensio-active agent, ammonia dipersant, silicone antifoam agent and flow agent Homogeneous phase mixing;
(5) the low carbon finishing paint of aqueous, environmental protective is namely obtained by after the second mixing solutions deionized water dilution.
Carry out proportioning according to moiety each in the present embodiment, and the performance perameter of the low carbon finishing paint of aqueous, environmental protective prepared according to concrete technology parameter and step as shown in Table 5.
Table five: the comprehensive performance parameter table of the low carbon finishing paint of the aqueous, environmental protective prepared in embodiment five
| Project | Performance index | Testing standard |
| Paint film appearance | Flat smooth | Range estimation |
| Surface drying time (min) | 20 | GB/T 1728-79 |
| Do solid work the time (h) | 24 | GB/T 1728-79 |
| Snappiness (mm) | 2 | GB/T 1731-93 |
| Sticking power (level) | 1 | GB/T 1720-79 |
| Impact strength (kg.cm) | 40 | GB/T 1732-93 |
| Non-volatile content (%) | 45 | GB/T 1725-07 |
| Water tolerance (h) | 140 | GB/T 1733-93 |
| Resistance to salt water (h), 5%NaCl | 120 | GB/T 10834-89 |
| Acid resistance (8h), 3%HCl | 120 | GB/T 9274-98 |
| Alkali resistance (h), 5%NaOH | 120 | GB/T 9274-98 |
Advantage of the present invention is: the volatile organic content in the low carbon finishing paint of aqueous, environmental protective that (1) is above-mentioned is very low and have no irritating odor, reduce the pollution to surrounding environment, improve construction environment greatly, greatly protect the personnel safety of workmen; (2) by controlling the weight percent of each moiety and each moiety, make it have good paint film adhesion, hardness, preservative property and weathering resistance, can be applied in outdoor severe environment, in deep-etching severe environment as the application of water pipe and multiple steel construction product such as equipment, petrochemical pipe and equipment, agricultural equipment etc., substantially prolongs the work-ing life for the steel construction product in severe environment.
Claims (10)
1. the low carbon finishing paint of aqueous, environmental protective, is characterized in that: be made up of mixture and deionized water, described mixture and the weight percent of deionized water are 9:7 ~ 11:5; The per-cent that the moiety of described mixture and each composition account for mixture weight is as follows: water-borne acrylic resin 40% ~ 50%, isocyanate curing agent 2% ~ 5%, antirust color stuffing 25% ~ 30%, auxiliary agent 5% ~ 10%, anhydrous acetic acid 15% ~ 25%; Described antirust color stuffing is made up of titanium dioxide, barium sulfate, mill base and rust-stabilising pigment, wherein, titanium dioxide accounts for 10% ~ 20% of antirust color stuffing weight percent, barium sulfate accounts for 12% ~ 18% of antirust color stuffing weight percent, mill base accounts for 3% ~ 7% of antirust color stuffing weight percent, and all the other are rust-stabilising pigment.
2. according to the low carbon finishing paint of aqueous, environmental protective according to claim 1, it is characterized in that: the solid content of described water-borne acrylic resin is 65% ~ 75%, and pH value is 8.5 ~ 9, and hydroxy functional group controls within the scope of 10-100.
3. according to the low carbon finishing paint of aqueous, environmental protective according to claim 1, it is characterized in that: described mill base is pigment printing paste or mill mill base.
4. according to the low carbon finishing paint of aqueous, environmental protective described in claim 1,2 or 3, it is characterized in that: described rust-stabilising pigment is by zinc oxide, aluminum phosphate and form containing strontium powder, wherein, zinc oxide accounts for 33% ~ 48% of antirust filler weight per-cent, aluminum phosphate accounts for 25% ~ 36% of antirust filler weight per-cent, account for 17% ~ 32% of antirust filler weight per-cent containing strontium powder, wherein the strontium content contained in strontium powder accounts for 8% ~ 10% containing strontium powder weight percent.
5. according to the low carbon finishing paint of aqueous, environmental protective described in claim 1,2 or 3, it is characterized in that: described auxiliary agent is made up of tensio-active agent, ammonia dipersant, silicone antifoam agent and flow agent, described flow agent is organosilicon flow agent or urethane flow agent; Wherein, tensio-active agent accounts for 10% ~ 20% of auxiliary agent weight percent, and ammonia dipersant accounts for 20% ~ 30% of auxiliary agent weight percent, and silicone antifoam agent accounts for 10% ~ 20% of auxiliary agent weight percent, and flow agent accounts for 40% ~ 50% of auxiliary agent weight percent.
6. prepare the preparation method of the low carbon finishing paint of aqueous, environmental protective according to claim 1, it is characterized in that: described preparation method specifically comprises the following steps:
(1) water-borne acrylic resin deionized water is diluted to water-borne acrylic resin solution, the weight percent of water-borne acrylic resin and deionized water is 7:13 ~ 9:11;
(2) titanium dioxide, barium sulfate, mill base and rust-stabilising pigment Homogeneous phase mixing are made antirust color stuffing;
(3) to be mixed with water-borne acrylic resin solution by isocyanate curing agent and formation first mixing solutions that stirs, wherein stirring velocity controls at 200-300 rev/min;
(4) in the first mixing solutions, antirust color stuffing, auxiliary agent, anhydrous acetic acid is added successively, need to stir the first mixing solutions while antirust color stuffing, auxiliary agent and anhydrous acetic acid add, and continuation stirring 20-30min obtains the second mixing solutions after adding, wherein stirring velocity controls at 300-500 rev/min;
(5) the low carbon finishing paint of aqueous, environmental protective is namely obtained by after the second mixing solutions deionized water dilution.
7. according to the preparation method of the low carbon finishing paint of aqueous, environmental protective according to claim 6, it is characterized in that: in step (1), isocyanate curing agent is added in water-borne acrylic resin solution; The solid content of described water-borne acrylic resin is 65% ~ 75%, and pH value is 8.5 ~ 9, and hydroxy functional group controls within the scope of 10-100.
8. according to the preparation method of the low carbon finishing paint of aqueous, environmental protective according to claim 6, it is characterized in that: the mill base in step (2) is pigment printing paste or mill mill base.
9. according to the preparation method of the low carbon finishing paint of aqueous, environmental protective described in claim 6,7 or 8, it is characterized in that: the rust-stabilising pigment in step (2) is by zinc oxide, aluminum phosphate and form containing strontium powder three Homogeneous phase mixing, wherein, zinc oxide accounts for 33% ~ 48% of antirust filler weight per-cent, aluminum phosphate accounts for 25% ~ 36% of antirust filler weight per-cent, account for 17% ~ 32% of antirust filler weight per-cent containing strontium powder, wherein the strontium content contained in strontium powder accounts for 8% ~ 10% containing strontium powder weight percent.
10. according to the preparation method of the low carbon finishing paint of aqueous, environmental protective described in claim 6,7 or 8, it is characterized in that: the auxiliary agent in step (4) is formed by tensio-active agent, ammonia dipersant, silicone antifoam agent and flow agent Homogeneous phase mixing, described flow agent is organosilicon flow agent or urethane flow agent; Wherein, tensio-active agent accounts for 10% ~ 20% of auxiliary agent weight percent, and ammonia dipersant accounts for 20% ~ 30% of auxiliary agent weight percent, and silicone antifoam agent accounts for 10% ~ 20% of auxiliary agent weight percent, and flow agent accounts for 40% ~ 50% of auxiliary agent weight percent.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937033A (en) * | 2016-05-31 | 2016-09-14 | 张家港保税区潮信高分子新材料贸易有限公司 | Environment-friendly multifunctional primer and manufacturing method thereof |
| CN107418338A (en) * | 2017-09-20 | 2017-12-01 | 田平安 | Water nano finish paint |
| CN110527376A (en) * | 2019-08-07 | 2019-12-03 | 深圳市神漆新材料科技有限公司 | Inner wall of building new material paint and its preparation method and application |
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| CN101108951A (en) * | 2007-08-30 | 2008-01-23 | 桂林工学院 | Aquosity bi-component polyurethane coloured paint and method of manufacturing the same |
| US20110236693A1 (en) * | 2008-11-24 | 2011-09-29 | Valspar Sourcing, Inc. | Coating system for cement composite articles |
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| CN101108951A (en) * | 2007-08-30 | 2008-01-23 | 桂林工学院 | Aquosity bi-component polyurethane coloured paint and method of manufacturing the same |
| US20110236693A1 (en) * | 2008-11-24 | 2011-09-29 | Valspar Sourcing, Inc. | Coating system for cement composite articles |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105937033A (en) * | 2016-05-31 | 2016-09-14 | 张家港保税区潮信高分子新材料贸易有限公司 | Environment-friendly multifunctional primer and manufacturing method thereof |
| CN107418338A (en) * | 2017-09-20 | 2017-12-01 | 田平安 | Water nano finish paint |
| CN110527376A (en) * | 2019-08-07 | 2019-12-03 | 深圳市神漆新材料科技有限公司 | Inner wall of building new material paint and its preparation method and application |
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