CN104946062A - Zirconia-doped rare earth-modified acrylic resin type powder coating - Google Patents
Zirconia-doped rare earth-modified acrylic resin type powder coating Download PDFInfo
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- CN104946062A CN104946062A CN201510329407.3A CN201510329407A CN104946062A CN 104946062 A CN104946062 A CN 104946062A CN 201510329407 A CN201510329407 A CN 201510329407A CN 104946062 A CN104946062 A CN 104946062A
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Abstract
The invention discloses a zirconia-doped rare earth-modified acrylic resin type powder coating, and relates to the technical field of powder coating production. The powder coating is prepared from the following raw materials in parts by mass: 90-100 parts of glycidyl methacrylate, 15-20 parts of zirconia, 5-8 parts of rare earth, 10-12 parts of diatomite, 8-10 parts of asbestos powder, 5-8 parts of dodecanedioic acid, 4-6 parts of white carbon black, 3-5 parts of natrolite, 3-4 parts of ultra-fine transparent yellow iron oxide, 2-3 parts of dibutyl phthalate, 2-3 parts of polyester-modified organosiloxane, 1-2 parts of sodium metaborate and 100-120 parts of ethanol. The coating provided by the invention is non-toxic and free of solvents and volatile toxic substances, and complies with environmental requirements; the raw material utilization rate reaches 99%; a dense coating is formed after spraying, and high adhesion, good impact resistance, and excellent weather resistance and corrosion resistance are realized.
Description
Technical field:
The present invention relates to powder coating production technical field, be specifically related to a kind of zirconium white rareearth doped modified acrylic resin type powder coating.
Background technology:
Powder coating is a kind of novel not containing solvent 100% solid powdery coating, there is solvent-free, pollution-free, recyclable, environmental protection, the saving energy and resource, reduce labor intensity and film physical strength high, be mainly divided into thermoplastic powder coating and the large class of thermosetting powder coating(s) two.Heat curable powder coating refers to using thermosetting resin as filmogen, and the solidifying agent having added crosslinking reaction can form insoluble not molten quality hard coat after heating.Temperature again this coating high also can not be softening as thermoplastic coating, and can only decompose.The resin adopted due to thermosetting powder coating(s) is the prepolymer that the polymerization degree is lower, molecular weight is lower, so the levelling property of coating is better, have ornamental preferably, and low-molecular-weight prepolymer is after solidification, can form the macromole of cross-linked network, thus coating has better preservative property and mechanical property.Therefore thermosetting powder coating(s) development is particularly rapid.
Thermosetting powder coating(s) comprises epoxy resin, polyester and acrylic resin three kinds of powder coating, wherein acrylic resin with the levelling property of its excellence, weathering resistance, low-temperature curable, can the characteristic such as UV photocuring, high surface hardness, high-wearing feature, environmental protection and energy saving, in coating raw material, become first-selected.But because its price is high and synthesis technique is complicated, do not promote in China and come.
Summary of the invention:
Technical problem to be solved by this invention is to provide that a kind of raw material is easy to get, input cost is low and the zirconium white of excellent performance rareearth doped modified acrylic resin type powder coating.
Technical problem to be solved by this invention adopts following technical scheme to realize:
A kind of zirconium white rareearth doped modified acrylic resin type powder coating, be made up of the raw material of following mass fraction:
Glycidyl methacrylate 90-100 part, zirconium white 15-20 part, rare earth 5-8 part, diatomite 10-12 part, asbestos powder 8-10 part, bay diacid 5-8 part, white carbon black 4-6 part, natrolite 3-5 part, ultra-fine transparent yellow iron oxide 3-4 part, dibutyl phthalate 2-3 part, polyester resin change properties of organic silicon oxygen alkane 2-3 part, sodium metaborate 1-2 part, ethanol 100-120 part;
Its preparation method is as follows:
(1) glycidyl methacrylate is dissolved in ethanol, add zirconium white and rare earth again, mix rear elder generation supersound process 10-15min under ultrasonic frequency 22kHz, power 100-200W, then microwave treatment 5-10min under microwave frequency 2450MHz, power 300-400W, obtains material I;
(2) diatomite, asbestos powder, white carbon black, natrolite and ultra-fine transparent yellow iron oxide are joined in ball mill, material I is added after ball milling 10-15min, be milled to granularity and be less than 20 μm, then vacuum-drying at 70-80 DEG C, be ground into through pulverizer the powder that particle diameter is less than 50 μm again, obtain material II;
(3) material II, bay diacid, dibutyl phthalate, organic silicon modified by polyether oxygen alkane and sodium metaborate are joined in high-speed mixer, be warming up to 90-100 DEG C, after insulation 20-30min, material is added in screw extrusion press and melt extrude, the material extruded is slit into sheet through cooling press truncation, be ground into through pulverizing mill the powder that particle diameter is 20-35 μm again, finally carry out metering packing.
Described rare earth is selected from one or more in yttrium oxide, cerium oxide, lanthanum trioxide.
The preparation method of described ultra-fine transparent yellow iron oxide first gets liquor ferri trichloridi and sodium hydroxide solution to react the obtained ironic hydroxide water-sol at 60-65 DEG C, then add sodium laurylsulfonate and carry out surface treatment, chloroform extraction is used after being cooled to room temperature, get subnatant in 150-155 DEG C of oven dry, finally grind and get final product.
The invention has the beneficial effects as follows:
(1) this coating is not containing toxicity, not containing solvent and the toxic material of volatilization, meets environmental requirement;
(2) raw material availability is high, and cross the powder recoverable of spray, utilization ratio reaches as high as 99%;
(3) disposable spray finishing, can obtain the film of adequate thickness without the need to primary coat, production efficiency is high;
(4) form the coating of one deck densification after spraying, sticking power, good impact resistance, and there is excellent weathering resistance, erosion resistance;
(5) adopt bag type package, storage, transportation safety are conveniently.
Embodiment:
The technique means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with specific embodiment, setting forth the present invention further.
Embodiment 1
A kind of zirconium white rareearth doped modified acrylic resin type powder coating, be made up of the raw material of following mass fraction:
Glycidyl methacrylate 90 parts, zirconium white 15 parts, yttrium oxide 2 parts, cerium oxide 2 parts, lanthanum trioxide 2 parts, 10 parts, diatomite, asbestos powder 8 parts, bay diacid 5 parts, white carbon black 4 parts, natrolite 3 parts, ultra-fine transparent yellow iron oxide 3 parts, dibutyl phthalate 2 parts, 2 parts, polyester resin change properties of organic silicon oxygen alkane, sodium metaborate 1 part, ethanol 100 parts;
Its preparation method is as follows:
(1) glycidyl methacrylate is dissolved in ethanol, add zirconium white and rare earth again, mix rear elder generation supersound process 15min under ultrasonic frequency 22kHz, power 100W, then microwave treatment 10min under microwave frequency 2450MHz, power 300W, obtains material I;
(2) diatomite, asbestos powder, white carbon black, natrolite and ultra-fine transparent yellow iron oxide are joined in ball mill, material I is added after ball milling 10min, be milled to granularity and be less than 20 μm, then vacuum-drying at 70-80 DEG C, be ground into through pulverizer the powder that particle diameter is less than 50 μm again, obtain material II;
(3) material II, bay diacid, dibutyl phthalate, organic silicon modified by polyether oxygen alkane and sodium metaborate are joined in high-speed mixer, be warming up to 90-100 DEG C, after insulation 30min, material is added in screw extrusion press and melt extrude, the material extruded is slit into sheet through cooling press truncation, be ground into through pulverizing mill the powder that particle diameter is 20-35 μm again, finally carry out metering packing.
Wherein, the preparation method of ultra-fine transparent yellow iron oxide first gets liquor ferri trichloridi and sodium hydroxide solution to react the obtained ironic hydroxide water-sol at 60-65 DEG C, then add sodium laurylsulfonate and carry out surface treatment, chloroform extraction is used after being cooled to room temperature, get subnatant in 150-155 DEG C of oven dry, finally grind and get final product.
Embodiment 2
A kind of zirconium white rareearth doped modified acrylic resin type powder coating, be made up of the raw material of following mass fraction:
Glycidyl methacrylate 95 parts, zirconium white 18 parts, yttrium oxide 2 parts, cerium oxide 2 parts, lanthanum trioxide 2 parts, 11 parts, diatomite, asbestos powder 9 parts, bay diacid 6 parts, white carbon black 5 parts, natrolite 4 parts, ultra-fine transparent yellow iron oxide 3 parts, dibutyl phthalate 2 parts, 2 parts, polyester resin change properties of organic silicon oxygen alkane, sodium metaborate 1 part, ethanol 110 parts.
The preparation method of the present embodiment powder coating is with embodiment 1.
Embodiment 3
A kind of zirconium white rareearth doped modified acrylic resin type powder coating, be made up of the raw material of following mass fraction:
Glycidyl methacrylate 100 parts, zirconium white 20 parts, yttrium oxide 2 parts, cerium oxide 2 parts, lanthanum trioxide 2 parts, 12 parts, diatomite, asbestos powder 10 parts, bay diacid 8 parts, white carbon black 5 parts, natrolite 4 parts, ultra-fine transparent yellow iron oxide 3 parts, dibutyl phthalate 2 parts, 2 parts, polyester resin change properties of organic silicon oxygen alkane, sodium metaborate 1 part, ethanol 120 parts.
The preparation method of the present embodiment powder coating is with embodiment 1.
On cold-rolled steel sheet after the powder coating obtained by embodiment 1-3 adopts high-pressure electrostatic spray gun to be sprayed on the thick rust cleaning of 0.5mm, oil removing and phosphatization respectively, then at 160 DEG C, 15min is toasted, coat-thickness 60 μm, carry out a series of performance test to coating, result is as shown in table 1:
The performance test results of table 1 embodiment 1-3 coating
More than show and describe ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification sheets just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (3)
1. a zirconium white rareearth doped modified acrylic resin type powder coating, is characterized in that, is made up of the raw material of following mass fraction:
Glycidyl methacrylate 90-100 part, zirconium white 15-20 part, rare earth 5-8 part, diatomite 10-12 part, asbestos powder 8-10 part, bay diacid 5-8 part, white carbon black 4-6 part, natrolite 3-5 part, ultra-fine transparent yellow iron oxide 3-4 part, dibutyl phthalate 2-3 part, polyester resin change properties of organic silicon oxygen alkane 2-3 part, sodium metaborate 1-2 part, ethanol 100-120 part;
Its preparation method is as follows:
(1) glycidyl methacrylate is dissolved in ethanol, add zirconium white and rare earth again, mix rear elder generation supersound process 10-15min under ultrasonic frequency 22kHz, power 100-200W, then microwave treatment 5-10min under microwave frequency 2450MHz, power 300-400W, obtains material I;
(2) diatomite, asbestos powder, white carbon black, natrolite and ultra-fine transparent yellow iron oxide are joined in ball mill, material I is added after ball milling 10-15min, be milled to granularity and be less than 20 μm, then vacuum-drying at 70-80 DEG C, be ground into through pulverizer the powder that particle diameter is less than 50 μm again, obtain material II;
(3) material II, bay diacid, dibutyl phthalate, organic silicon modified by polyether oxygen alkane and sodium metaborate are joined in high-speed mixer, be warming up to 90-100 DEG C, after insulation 20-30min, material is added in screw extrusion press and melt extrude, the material extruded is slit into sheet through cooling press truncation, be ground into through pulverizing mill the powder that particle diameter is 20-35 μm again, finally carry out metering packing.
2. zirconium white according to claim 1 rareearth doped modified acrylic resin type powder coating, is characterized in that: described rare earth is selected from one or more in yttrium oxide, cerium oxide, lanthanum trioxide.
3. zirconium white according to claim 1 rareearth doped modified acrylic resin type powder coating, it is characterized in that: the preparation method of described ultra-fine transparent yellow iron oxide first gets liquor ferri trichloridi and sodium hydroxide solution to react the obtained ironic hydroxide water-sol at 60-65 DEG C, then add sodium laurylsulfonate and carry out surface treatment, chloroform extraction is used after being cooled to room temperature, get subnatant in 150-155 DEG C of oven dry, finally grind and get final product.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510329407.3A CN104946062A (en) | 2015-06-15 | 2015-06-15 | Zirconia-doped rare earth-modified acrylic resin type powder coating |
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| CN201510329407.3A CN104946062A (en) | 2015-06-15 | 2015-06-15 | Zirconia-doped rare earth-modified acrylic resin type powder coating |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114274629A (en) * | 2021-12-29 | 2022-04-05 | 兰舍硅藻新材料有限公司 | Formaldehyde purifying plate with air purification function and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1088599A (en) * | 1992-11-06 | 1994-06-29 | 考陶尔斯涂料(集团)有限公司 | Powder paint compositions and uses thereof |
-
2015
- 2015-06-15 CN CN201510329407.3A patent/CN104946062A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1088599A (en) * | 1992-11-06 | 1994-06-29 | 考陶尔斯涂料(集团)有限公司 | Powder paint compositions and uses thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114274629A (en) * | 2021-12-29 | 2022-04-05 | 兰舍硅藻新材料有限公司 | Formaldehyde purifying plate with air purification function and preparation method thereof |
| CN114274629B (en) * | 2021-12-29 | 2024-05-07 | 兰舍硅藻新材料有限公司 | Aldehyde purification plate with air purification function and preparation method thereof |
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