CN107603351A - A kind of nano-far-infrared coating and preparation method thereof - Google Patents
A kind of nano-far-infrared coating and preparation method thereof Download PDFInfo
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- CN107603351A CN107603351A CN201710776657.0A CN201710776657A CN107603351A CN 107603351 A CN107603351 A CN 107603351A CN 201710776657 A CN201710776657 A CN 201710776657A CN 107603351 A CN107603351 A CN 107603351A
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Abstract
The invention discloses a kind of nano-far-infrared coating and preparation method thereof.The raw material of the nano-far-infrared coating includes by weight：30~40 parts of silicate far infrared radiation powder, inorganic 5~10 parts of combination auxiliary agent, 30~35 parts of binding agent, 3~5 parts of alkali magnesium sulfate crystal whisker, 1~2 part of dispersant, 11~15 parts of powdered whiting, 10~15 parts of polymer emulsion.The nano-far-infrared coating of the present invention has excellent water resistance and wash-resistant property, coating surface is fine and close, with excellent infrared radiation property and high-temperature stability, can be with the matrix strong bonded such as refractory material, metal, it is long-term use of at high temperature not ftracture, do not fall off, corrosion-resistant, good in thermal shock.
Description
Technical field
The present invention relates to paint field, more particularly to a kind of nano-far-infrared coating and preparation method thereof.
Background technology
Infra-red radiation is electromagnetic wave of the wavelength in 0.76 μm~1000 μ ms, and fuel factor is its essential characteristic, infrared
Radiant heating has the advantages of uniformly quick heating, efficiently utilize the energy.Infrared radiation coating is applied in Industrial Stoves fire resisting
Material inwall or storage heater, the surface of heat exchanger, the infrared spoke that radiant heat transfer body surface is participated in stove can be effectively improved
Penetrate ability and its spectral characteristic, strengthen the radiant heat transfer efficiency in stove, improve the uniformity of kiln internal temperature, promote heating,
The progress of the processes such as accumulation of heat, heat exchange, the validity of using energy source during Industrial Stoves use is improved, and it is harmful with reducing
Gas discharge, reduce discharge flue-gas temperature, extend the good comprehensive benefits such as Industrial Stoves service life.
The strong bonded of infrared radiating coating and matrix is to play the premise of its power saving function.The infra-red radiation in China at present
Coating is mainly used in refractory material matrix surface, and infrared radiation coating is still relatively difficult in the application of metal base surface, makes
Phenomenon with process floating coat from metal base surface coating shedding is also relatively common, and this, which has become, influences infra-red radiation energy-conservation
One major reason of coating popularization and application.How the stability of coating infrared radiation property is improved, coating is combined with matrix
Fastness is industry technical problem urgently to be resolved hurrily.
The content of the invention
In view of this, the invention provides a kind of nano-far-infrared coating and preparation method thereof.The nanometer of the present invention is far red
Rustproof lacquer has excellent water resistance and wash-resistant property, and coating surface is fine and close, has excellent infrared radiation property and height
Temperature stability, it can not ftracture, not fall off, corrosion resistant with matrix strong bonded, at high temperature long-term uses such as refractory material, metals
Erosion, good in thermal shock.
The invention provides a kind of nano-far-infrared coating, its raw material includes by weight：Silicate far infrared radiation powder
30~40 parts of material, inorganic 5~10 parts of combination auxiliary agent, 30~35 parts of binding agent, 3~5 parts of alkali magnesium sulfate crystal whisker, dispersant 1~2
Part, 11~15 parts of powdered whiting, 10~15 parts of polymer emulsion；
Described silicate far infrared radiation powder is prepared by the raw material of following masses percentage composition：Cr2O320~
40%th, Fe2O310~15%, ZrO25~20%, TiO215~20%, Al2O35~15%, SiO25~10%, MnO2 1
~5%, MgO 1~10%, SiC 1~5%, WO31~3%, nanometer La2O31~3%；Percentage refers to that each component accounts for silicon
The mass percent of hydrochlorate far infrared radiation powder, each percentage sum are 100%.
Wherein, described inorganic combination auxiliary agent is preferably made up of the raw material of following mass fraction：Silica flour 50-80 parts,
Calcined oxide aluminium powder 10-20 parts, refractory clay 20-30 parts, 1~5 part of Ti powder.
Wherein, described binding agent is preferably made up of 80% waterglass and 20% water, and percentage is mass percent.
Wherein, described polymer emulsion is preferably styrene-acrylic emulsion.
Wherein, described dispersant is preferably dispersant SN-5040.
Wherein, described alkali magnesium sulfate crystal whisker preferably carries out following processing that come to the surface：First coated, then used with silicate
It is silane coupler modified；More preferably handled by following step：(1) alkali magnesium sulfate crystal whisker mixes with water, then adds silicic acid
Sodium, stir, then the dilute sulfuric acid of instillation mass percent 0.2% to pH is 9, ageing, is filtrated to get sodium metasilicate cladding
Whisker；(2) silane coupler KH570 and ethanol water, ultrasonic disperse, filtration drying are added in the whisker of sodium metasilicate cladding
.
Present invention also offers the preparation method of above-mentioned nano-far-infrared coating, it comprises the steps：In agitator
Polymer emulsion, dispersant, silicate far infrared radiation powder are added, inorganic combination auxiliary agent, bonding are added after stirring
Agent, alkali magnesium sulfate crystal whisker, powdered whiting, it is agitated uniform.
The positive effect that the present invention obtains：The nano-far-infrared coating of the present invention has excellent water resistance and resistance to
Scrub performance, coating surface is fine and close, has excellent infrared radiation property and high-temperature stability, can be with refractory material, metal etc.
Matrix strong bonded, it is long-term use of at high temperature not ftracture, do not fall off, corrosion-resistant, good in thermal shock.
Embodiment
Technical scheme is further illustrated with reference to specific embodiment.
Alkali magnesium sulfate crystal whisker is handled by following step：(1) alkali magnesium sulfate crystal whisker mixes with water, then adds silicic acid
Sodium, stir, then the dilute sulfuric acid of instillation mass percent 0.2% to pH is 9, ageing, is filtrated to get sodium metasilicate cladding
Whisker；(2) silane coupler KH570 and ethanol water, ultrasonic disperse, filtration drying are added in the whisker of sodium metasilicate cladding
.
Dispersant is dispersant SN-5040；Polymer emulsion is styrene-acrylic emulsion.
Embodiment 1
Composition of raw materials is as shown in the table：
| Sequence number | Title material | Parts by weight |
| 1 | Polymer emulsion | 10 |
| 2 | Silicate far infrared radiation powder | 30 |
| 3 | Inorganic combination auxiliary agent | 5 |
| 4 | Binding agent | 30 |
| 5 | Alkali magnesium sulfate crystal whisker | 3 |
| 6 | Dispersant | 1 |
| 7 | Powdered whiting | 11 |
Wherein, silicate far infrared radiation powder is mixed with to obtain by the raw material of following masses percentage composition：Cr2O3
20%th, Fe2O315%th, ZrO210%th, TiO220%th, Al2O310%th, SiO28%th, MnO23%th, MgO 7%, SiC
3%th, WO32%th, nanometer La2O32%；Percentage refers to that each component accounts for the mass percent of silicate far infrared radiation powder；
Inorganic combination auxiliary agent is made up of the raw material of following mass fraction：60 parts of silica flour, 15 parts of calcined oxide aluminium powder, refractory clay 20
Part, 2 parts of Ti powder；Binding agent is made up of 80% waterglass and 20% water, and percentage is mass percent.
Preparation method：Polymer emulsion, dispersant, silicate far infrared radiation powder are added in agitator, stirring is equal
Inorganic combination auxiliary agent, binding agent, alkali magnesium sulfate crystal whisker, powdered whiting are added after even, it is agitated uniform.
The performance for the coating that the present embodiment obtains is as shown in the table：
It is 0.93,8 μm~25 μm ripples that the normal direction all band radiance of nano-far-infrared coating made from the present embodiment, which is up to,
The radiance of section is that the radiance of 0.94,8 μm~14 mu m wavebands is that the radiances of 0.95,14 μm~25 mu m wavebands is 0.96.Far
Infrared radiating coating carries out air natural cooling thermal shock circulation in the range of 20~1000 DEG C, and 50 secondary coating surfaces of circulation are without splitting
Line, coating are not fallen off.
Embodiment 2
Composition of raw materials is as shown in the table：
| Sequence number | Title material | Parts by weight |
| 1 | Polymer emulsion | 15 |
| 2 | Silicate far infrared radiation powder | 36 |
| 3 | Inorganic combination auxiliary agent | 8 |
| 4 | Binding agent | 33 |
| 5 | Alkali magnesium sulfate crystal whisker | 4 |
| 6 | Dispersant | 2 |
| 7 | Powdered whiting | 13 |
Wherein, silicate far infrared radiation powder is mixed with to obtain by the raw material of following masses percentage composition：Cr2O3
30%th, Fe2O310%th, ZrO210%th, TiO215%th, Al2O310%th, SiO28%th, MnO23%th, MgO 7%, SiC
3%th, WO32%th, nanometer La2O32%；Percentage refers to that each component accounts for the mass percent of silicate far infrared radiation powder；
Inorganic combination auxiliary agent is made up of the raw material of following mass fraction：70 parts of silica flour, 18 parts of calcined oxide aluminium powder, refractory clay 25
Part, 5 parts of Ti powder；Binding agent is made up of 80% waterglass and 20% water, and percentage is mass percent.
Preparation method：Polymer emulsion, dispersant, silicate far infrared radiation powder are added in agitator, stirring is equal
Inorganic combination auxiliary agent, binding agent, alkali magnesium sulfate crystal whisker, powdered whiting are added after even, it is agitated uniform.
The performance for the coating that the present embodiment obtains is as shown in the table：
It is 0.93,8 μm~25 μm ripples that the normal direction all band radiance of nano-far-infrared coating made from the present embodiment, which is up to,
The radiance of section is that the radiance of 0.94,8 μm~14 mu m wavebands is that the radiances of 0.95,14 μm~25 mu m wavebands is 0.96.Far
Infrared radiating coating carries out air natural cooling thermal shock circulation in the range of 20~1000 DEG C, and 50 secondary coating surfaces of circulation are without splitting
Line, coating are not fallen off.
Embodiment 3
Composition of raw materials is as shown in the table：
| Sequence number | Title material | Parts by weight |
| 1 | Polymer emulsion | 15 |
| 2 | Silicate far infrared radiation powder | 40 |
| 3 | Inorganic combination auxiliary agent | 10 |
| 4 | Binding agent | 35 |
| 5 | Alkali magnesium sulfate crystal whisker | 5 |
| 6 | Dispersant | 2 |
| 7 | Powdered whiting | 15 |
Wherein, silicate far infrared radiation powder is mixed with to obtain by the raw material of following masses percentage composition：Cr2O3
25%th, Fe2O315%th, ZrO25%th, TiO220%th, Al2O310%th, SiO28%th, MnO23%th, MgO 7%, SiC 3%,
WO32%th, nanometer La2O32%；Percentage refers to that each component accounts for the mass percent of silicate far infrared radiation powder；It is inorganic
It is made up of with reference to auxiliary agent the raw material of following mass fraction：80 parts of silica flour, 15 parts of calcined oxide aluminium powder, 25 parts of refractory clay, Ti
5 parts of powder；Binding agent is made up of 80% waterglass and 20% water, and percentage is mass percent.
Preparation method：Polymer emulsion, dispersant, silicate far infrared radiation powder are added in agitator, stirring is equal
Inorganic combination auxiliary agent, binding agent, alkali magnesium sulfate crystal whisker, powdered whiting are added after even, it is agitated uniform.
The performance for the coating that the present embodiment obtains is as shown in the table：
It is 0.93,8 μm~25 μm ripples that the normal direction all band radiance of nano-far-infrared coating made from the present embodiment, which is up to,
The radiance of section is that the radiance of 0.94,8 μm~14 mu m wavebands is that the radiances of 0.95,14 μm~25 mu m wavebands is 0.96.Far
Infrared radiating coating carries out air natural cooling thermal shock circulation in the range of 20~1000 DEG C, and 50 secondary coating surfaces of circulation are without splitting
Line, coating are not fallen off.
Obviously, the explanation of above example is only intended to help product, method and its core concept for understanding the present invention.Should
, under the premise without departing from the principles of the invention, can also be right for the those of ordinary skill of the technical field when pointing out
The present invention carries out some improvement and modification, and these are improved and modification is also fallen into the protection domain of the claims in the present invention.
Claims (7)
1. a kind of nano-far-infrared coating, its raw material include by weight：30~40 parts of silicate far infrared radiation powder, it is inorganic
With reference to 5~10 parts of auxiliary agent, 30~35 parts of binding agent, 3~5 parts of alkali magnesium sulfate crystal whisker, 1~2 part of dispersant, powdered whiting 11
~15 parts, 10~15 parts of polymer emulsion；
Described silicate far infrared radiation powder is prepared by the raw material of following masses percentage composition：Cr2O320~40%,
Fe2O310~15%, ZrO25~20%, TiO215~20%, Al2O35~15%, SiO25~10%, MnO21~
5%th, MgO 1~10%, SiC 1~5%, WO31~3%, nanometer La2O31~3%；Percentage refers to that each component accounts for silicic acid
The mass percent of salt far infrared radiation powder, each percentage sum are 100%.
2. nano-far-infrared coating as claimed in claim 1, it is characterised in that described inorganic combination auxiliary agent is by following quality
The raw material composition of number：Silica flour 50-80 parts, calcined oxide aluminium powder 10-20 parts, refractory clay 20-30 parts, 1~5 part of Ti powder.
3. nano-far-infrared coating as claimed in claim 1, it is characterised in that described binding agent by 80% waterglass and
20% water forms, and percentage is mass percent.
4. nano-far-infrared coating as claimed in claim 1, it is characterised in that described polymer emulsion is styrene-acrylic emulsion.
5. nano-far-infrared coating as claimed in claim 1, it is characterised in that described dispersant is dispersant SN-5040.
6. nano-far-infrared coating as claimed in claim 1, it is characterised in that described alkali magnesium sulfate crystal whisker carries out following
Come to the surface processing：First coated with silicate, then with silane coupler modified；Preferably handled by following step：(1) alkali formula sulphur
Sour magnesium whisker mixes with water, then adds sodium metasilicate, stirs, then the dilute sulfuric acid of instillation mass percent 0.2% to pH
For 9, ageing, the whisker of sodium metasilicate cladding is filtrated to get；(2) silane coupler KH570 is added in the whisker of sodium metasilicate cladding
And ethanol water, ultrasonic disperse, filtration drying.
7. a kind of preparation method of such as nano-far-infrared coating according to any one of claims 1 to 6, it includes following steps
Suddenly：Polymer emulsion, dispersant, silicate far infrared radiation powder are added in agitator, is added after stirring inorganic
It is agitated uniform with reference to auxiliary agent, binding agent, alkali magnesium sulfate crystal whisker, powdered whiting.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110483046A (en) * | 2019-09-26 | 2019-11-22 | 中钢集团洛阳耐火材料研究院有限公司 | A kind of high emissivity infrared energy-conserving material and preparation method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103992662A (en) * | 2013-02-19 | 2014-08-20 | 鹤山市龙腾科技有限公司 | High-temperature nanometer far-infrared energy paint |
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- 2017-09-01 CN CN201710776657.0A patent/CN107603351B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103992662A (en) * | 2013-02-19 | 2014-08-20 | 鹤山市龙腾科技有限公司 | High-temperature nanometer far-infrared energy paint |
Non-Patent Citations (1)
| Title |
|---|
| 司徒杰生等: "《无机化工产品》", 31 January 2004, 化学工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110483046A (en) * | 2019-09-26 | 2019-11-22 | 中钢集团洛阳耐火材料研究院有限公司 | A kind of high emissivity infrared energy-conserving material and preparation method |
| CN110483046B (en) * | 2019-09-26 | 2021-06-29 | 中钢集团洛阳耐火材料研究院有限公司 | High-emissivity infrared energy-saving material and preparation method thereof |
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