CN1331969C - Low heat-conductive metal gloss paint and its preparation method - Google Patents
Low heat-conductive metal gloss paint and its preparation method Download PDFInfo
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- CN1331969C CN1331969C CNB031161472A CN03116147A CN1331969C CN 1331969 C CN1331969 C CN 1331969C CN B031161472 A CNB031161472 A CN B031161472A CN 03116147 A CN03116147 A CN 03116147A CN 1331969 C CN1331969 C CN 1331969C
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Abstract
The present invention relates to metallic luster paint with low heat conductivity and a preparation method thereof. The paint is characterized in that ingredients of the paint contain pigment in a mirror-face laminated structure, and a light-colored filling material in a porous structure. The building paint has the advantages of low heat conductivity, favorable heat preservation effect, water solubility, etc. The preparation method of the paint comprises: a wetting agent, a dispersing agent, water, the pigment in a mirror-face laminated structure, and the filling material in a porous structure are thoroughly stirred and wetted to obtain a component I; meanwhile, silicone-acrylic emulsion, a thickening agent and a film-forming agent are uniformly stirred and mixed to obtain a component II; the component I and the component II are uniformly stirred, and a defoamer is added to and then stirred with the component I and the component II for half an hour; the mixture is filtered and canned.
Description
Technical field
The present invention relates to a kind of low heat-conducting metal gloss paint, more specifically relate to a kind of minute surface sheet structure pigment and vesicular structure light color filler, water soluble paint of containing with low heat conductivity heat-insulating and metal lustre decorative effect.
The invention still further relates to the preparation method of this coating.
Background technology
Material of construction can cause certain internal-external heat exchange loss to buildings by conduction of heat, the thermal conductivity of materials for wall increases with the rising of temperature, the effect of solar radiation protection is very little, according to the detection of Shanghai Tongji University construction engineering quality measuring station, the thermal conductivity of materials for wall is generally about 0.5-1w/mk.The common method that reduces the loss of buildings internal-external heat exchange at present comprises:
1) thickness of increase material of construction reduces heat energy loss.
2) change structure, increase gas cloud or adiabator layer between the building materials, thereby reduce thermal conduction.
These methods or increase the deadweight of buildings increase the weight of the load on basis or improve the price of building materials self, therefore, all are subjected to certain limitation aspect practical.
In heat insulating work, usually with heat insulating coefficient less than the material of 0.2w/mk as lagging material (Zhang Ximin work, the 13rd page of " institution of higher education tries out the teaching material thermal conduction study " China Construction Industry Press's (second edition)).The comparatively typical lagging material that adopts at present comprises resol synthetic materials, polyurethane material, glass fibre, pure aluminium silicate rock wool, mineral wool, rubber and plastic, cork, perlite, lime carbonate etc.
Traditional building coating reaches its decorative effect by the variation of luminous reflectance type coloured light.The pigment that traditional architecture coating is adopted is generally titanium dioxide, red iron oxide, and titanium is blue or green blue, the titanium viridescent, specification is the 2-5 micron, filler is a lime carbonate, talcum powder, specification is generally the 600-800 order.In recent years, along with mica and mica titanium nacreous material are introduced coating, the decorative effect lifting by luminous reflectance type changes of shade of traditional coating is the decorative effect by luminous reflectance and interference of light bonded changes of shade, thereby presents pearl and metalluster, greatly enriched the decorative effect of coating.Above-mentioned coating only provides simple decorative effect, does not possess the heat insulation effect of low heat conduction, and is oil soluble coating.
Summary of the invention
The objective of the invention is to by to the screening of pigment and filler, composite, a kind of low heat-conductive coating is provided, by the internal-external heat exchange of back decorative means reduction buildings, when reducing building materials thermal conduction, need increase building material cost to overcome prior art, increase defectives such as buildings deadweight and basic load.
Another object of the present invention is to provides a kind of preparation method who has the water soluble paint of metalluster and this coating is provided by the research to the complete processing of pigment and filler.
The present invention does not do the change of essence to traditional building coating prescription, just reasonably screens with composite on pigment that uses and filler.The main combination of adopting a kind of pigment and a kind of vesicular structure light color filler of minute surface sheet structure, the present invention is rationally composite as the floating coat filler with the pigment and the vesicular structure light color filler of minute surface sheet structure, thereby form the coating that one deck has good thermal and insulating performance at building material surface, and then change the thermal conductivity of building materials, the heat exchange inside and outside the reduction buildings, reach the purpose of insulation.The present invention finds pigment and the specification of vesicular structure light color filler and the heat-insulating property that proportioning has determined coating of minute surface sheet structure.
The present invention adopts silicon oxide coated processing in the preparation technology of pigment, make coating of the present invention present good water-solubility.The mode of the present invention by calcining 25-50 minute down at 900-1000 ℃ makes filler reach abundant expansion, and then obtains the vesicular structure light color filler of appropriate size.
The composition (by weight) of the low heat-conducting metal gloss paint that the present invention proposes is as follows:
Wetting agent 0.4-1.0 part
Dispersion agent 1.0-2.0 part
Water 4-7 part
Minute surface sheet structure pigment 4-16 part
Vesicular structure shape light color filler 4-5 part
Organosilicon crylic acid latex 55-58 part
Thickening material 1.5-2.5 part
Film coalescence aid 0.7-0.9 part
Defoamer 0.4-0.6 part
In the prescription of above-mentioned coating, except that minute surface sheet structure pigment and vesicular structure shape light color filler, other component can adopt the reagent identical with traditional coating, can adopt the rare fatty acid ester of polyoxyethylene, dispersion agent can adopt acrylic acid ammonium salt, organosilicon crylic acid latex can adopt organosilicon pure acrylic acid polymkeric substance, thickening material can adopt Natvosol, film coalescence aid can adopt lauryl alcohol fat, defoamer can adopt phosphoric acid fat as wetting agent.
The pigment of minute surface sheet structure can use aluminium flake, white clouds master slice, sericite sheet, phlogopite sheet or mica titanium pigment etc.The sheet of minute surface sheet structure pigment directly is the 10-200 micron.Wherein preferred sheet footpath scope is the 10-60 micron.Sheet is thick to be the 0.1-1.0 micron, especially with 0.2-0.4 micron the best.
The preparation method of the pigment of minute surface sheet structure is: raw material was calcined 1 hour down at 900 ℃, and tap water dip 20 hours are used in the cooling back, mill afterwards 4 hours, carry out sub-sieve to select the flaky material of suitable specification for use.Sheet material was through bubble washing 5-8 hour, place reactor then, adding the iron trichloride of 250 grams per liters and the titanium dioxide of 300 grams per liters is 2.8-3.5 at pH, carry out coating under 72 ℃ of conditions, coating finishes after the washing of purifying waste water is dried, and passes through high-weatherability water wetted material silicon oxide again at 70-75 ℃ with 900 ℃ of calcinings after 1 hour then, pH carries out coating under the condition of 4-6, and coating quantity is 3-6%.
Thermal conductivity value when the light filler of cell texture can use perlite ash, asbestos plaster, flyash, vermiculite ash and other 25 ℃ is less than the filler of 0.2w/mk.Its particle size range is the 100-320 order, and preferable range is the 250-300 order.
The preparation method of the light filler of cell texture is: raw material is formed through milling, sieving after screening, 900-1000 ℃ calcining 25-50 minute down, discharging cooling.
The gross weight of minute surface sheet structure pigment and vesicular structure light color filler should account for the 10-25% of building coating gross weight of the present invention.If content is lower than 10%, then heat insulation effect is not obvious, and the metal finishing effect is not good yet.If be higher than 25%, then the water tolerance of coating, alkali resistance, weathering resistance and pollution resistance all decrease, and are not suitable for the skin wall decoration.
The ratio (by weight) of minute surface lamellar pigment and cell texture light color filler is 4: 1-1: 1.If weight ratio was less than 1: 1, then the metalluster effect obviously reduces, and effect of heat insulation can not be given full play to.
By above-mentioned formula rate, wetting agent, dispersion agent, water, minute surface sheet structure pigment and cell texture filler are fully stirred the wetting component I of making; Simultaneously organosilicon crylic acid latex, thickening material, film coalescence aid are mixed and make component I I.After then component I and component I I being stirred, add defoamer, restir is after 0.5 hour, filters, tinning, can be made into the coating that the present invention proposes.
The heat insulation effect of coating of the present invention is described below by the angle from heat conductivility:
One, the thermal conductivity of coating of the present invention and traditional coating is measured:
On cement asbestos model, do the primary coat sealing treatment with coating of the present invention and traditional coating earlier respectively, be coated with in carrying out then, and be pressed into needed decorative pattern, carry out face after the drying and be coated with the flitch that is coated with that decoration is made 5.5 mm thick.According to the described method of standard GB/T 10294-1988 " the mensuration protective heat plate method of thermal insulation material steady state heat resistance and related characteristics ", measure its thermal conductivity under 25 ℃ respectively, the thermal conductivity that the present invention as a result is coated with flitch is 0.145w/mk, and the thermal conductivity of traditional coating plate is 0.309w/mk.It seems that from thermal conductivity coating of the present invention can obviously reduce thermal conductivity, has good heat insulation effect.
Two, the thermal resistance value of coating of the present invention and Portland cement mortar is relatively:
The heat conductivility of building materials is represented with thermal resistance value, thermal resistance value is relevant with the thickness and the thermal conductivity thereof of building materials, mathematic(al) representation is: thermal resistance value=material thickness/material thermal conductivity, if outer wall material is a sand-cement slurry, then its thermal conductivity is 0.5-1w/mk, the thermal conductivity of coating of the present invention is 0.145w/mk, can obtain according to calculating thermal resistance value, the thermal resistance value of the dope layer of the present invention of 35 mm thick is equivalent to the thermal resistance value of the sand-cement slurry of 120-240 mm thick, as seen coating of the present invention can form one deck insulation film at surface of wall fully, can reduce the heat exchange loss of buildings when playing decorative effect again.
Beneficial effect:
1, the present invention uses minute surface lamellar pigment and cell texture light color filler in coating, has characteristics such as thermal conductivity is low, heat insulation effect is good by screening and composite prepared coating to pigment and filler.
2, the invention provides low heat-conductive coating, can decorate by the back and reach the internal-external heat exchange that reduces buildings, compare, have the advantage that cost is low, do not influence buildings deadweight or basic load with the thickness of traditional increase building materials or the method that changes its structure.
3, the present invention adopts high-weatherability water wetted material silicon oxide that the minute surface lamellar pigment is carried out coating, presents good water-solubility when making coating have the decorative effect of metalluster again.
Embodiment
The present invention is further elaborated below in conjunction with specific embodiment, but do not limit the present invention.
Employed equipment comprises among the present invention: port, Shen board SF-500 type high speed pan mill and port, Shen board SF-5003 type runner milling that Shen, Shanghai port machine works makes, the model medicine board S-1500 type high speed powder shifter that Wujin, Changzhou model group pharmaceutical machine factory produces, the lean board GFJ type high speed dispersor of Yixing City lean machinery production.
The present invention is except that pigment and filler self-control, and other batching adopts the commercially available prod, comprises wetting agent CF-01, dispersion agent 9020, thickening material T-117A and defoamer 220 that Changfeng Chemical Plant, Shanghai produces.The organosilicon crylic acid latex KD-8 that national of the United States's starch chemical company produces, the film coalescence aid Texan01 that her native graceful chemical products company of the U.S. produces.
Minute surface sheet structure pigment adopts India's MICA of import, calcining is 1 hour in the drawer High Temperature Furnaces Heating Apparatus, calcining temperature is 900 ℃, discharging is through cooling, with tap water dip 20 hours, mill 4 hours (rotating speed is 30 rev/mins) with runner milling afterwards, carry out sub-sieve with powder shifter 200 eye mesh screens again and select for use, sheet footpath 10-60 micron, the flaky material of the thick 0.2-0.4 micron of sheet.The sheet mica material is washed through 5-8 hour bubble, makes wet-ground mica.Wet-ground mica is placed 2000 liters of enamel reaction stills, adding the iron trichloride of 250 grams per liters and the titanium dioxide of 300 grams per liters is 2.8-3.5 at pH, temperature is to carry out coating under 72 ℃ the condition, coating finishes after the washing of purifying waste water, oven dry was calcined 1 hour with 900 ℃ with the drawer High Temperature Furnaces Heating Apparatus then, and discharging is 70-75 ℃ through high-weatherability water wetted material silicon oxide in temperature again, pH carries out coating under the condition of 4-6, and coating quantity is 3-6%.
Cell texture light color filler adopts commercially available perlite, pulverizes after powder shifter 300 mesh sieve branches are obtained 300 order particulate materials with pan mill, calcines 25-50 minute in the drawer High Temperature Furnaces Heating Apparatus then, and calcining temperature is 900-1000 ℃, and the discharging cooling forms.
The preparation method of coating is: press formula rate, take by weighing various components, then with dispersion agent, water, minute surface sheet structure pigment, vesicular structure light color filler, with high speed dispersor 30 minutes wetting component I of evenly making of speed stirring with 100-150 rev/min, simultaneously with organosilicon crylic acid latex, thickening material, film coalescence aid, stir to mix in 30 minutes with high speed dispersor and make component I I, component I and component I I mixed add defoamer and fully stir with 2000 liters of reactors, adopt pair slurry types to starch, stir with 150 rev/mins speed and after evenly, irritated in 30 minutes with 100 mesh filter screens filtration dress.
Embodiment 1
0.5 part of wetting agent, 1.0 parts of dispersion agents, 6 parts in water, 9 parts of minute surface sheet structure face, 5 parts of cell texture fillers, 55 parts of organosilicon crylic acid latexs, 2 parts of thickening materials, 0.8 part of film coalescence aid, 0.5 part of defoamer.
Press formula rate, take by weighing various components, then with dispersion agent, water, minute surface sheet structure pigment, vesicular structure light color filler, with high speed dispersor 30 minutes wetting component I of evenly making of speed stirring with 100-150 rev/min, simultaneously with organosilicon crylic acid latex, thickening material, film coalescence aid, stir to mix in 30 minutes with high speed dispersor and make component I I, component I and component I I mixed add defoamer and fully stir with 2000 liters of reactors, adopt pair slurry types to starch, stir with 150 rev/mins speed and after evenly, irritated in 30 minutes with 100 mesh filter screens filtration dress.
Embodiment 2
0.5 part of wetting agent, 1.2 parts of dispersion agents, 6 parts in water, 16 parts of minute surface sheet structure face, 5 parts of cell texture fillers, 58 parts of organosilicon crylic acid latexs, 2 parts of thickening materials, 0.8 part of film coalescence aid, 0.5 part of defoamer.Method for making is with embodiment 1.
Embodiment 3
0.6 part of wetting agent, 1.2 parts of dispersion agents, 6 parts in water, 7 parts of minute surface sheet structure face, 4 parts of cell texture fillers, 57 parts of organosilicon crylic acid latexs, 1.8 parts of thickening materials, 0.8 part of film coalescence aid, 0.5 part of defoamer.Method for making is with embodiment 1.
Embodiment 4
0.8 part of wetting agent, 1.0 parts of dispersion agents, 7 parts in water, 8 parts of minute surface sheet structure face, 4 parts of cell texture fillers, 57 parts of organosilicon crylic acid latexs, 2 parts of thickening materials, 0.8 part of film coalescence aid, 0.5 part of defoamer.Method for making is with embodiment 1.
Claims (7)
1, a kind of low heat-conducting metal gloss paint, it consists of by weight:
Wetting agent 0.4-1.0 part
Dispersion agent 1.0-2.0 part
Water 4-7 part
Aluminium flake, white clouds sheet, sericite sheet,
Phlogopite sheet or mica titanium pigment 4-16 part
Perlite ash, asbestos plaster, flyash, vermiculite ash
Or 25 ℃ the time thermal conductivity less than 0.2w/mk filler 4-5 part
Organosilicon crylic acid latex 55-58 part
Thickening material 1.5-2.5 part
Film coalescence aid 0.7-0.9 part
Defoamer 0.4-0.6 part.
2, low heat-conducting metal gloss paint according to claim 1 is characterized in that the sheet of aluminium flake, white clouds sheet, sericite sheet, phlogopite sheet or mica titanium pigment directly is the 10-200 micron, and sheet is thick to be the 0.1-1.0 micron.
3, low heat-conducting metal gloss paint according to claim 1 is characterized in that the sheet of aluminium flake, white clouds sheet, sericite sheet, phlogopite sheet or mica titanium pigment directly is the 10-60 micron, and sheet is thick to be the 0.2-0.4 micron.
4, low heat-conducting metal gloss paint according to claim 1, thermal conductivity is the 100-320 order less than the particle diameter of 0.2w/mk filler when it is characterized in that perlite ash, asbestos plaster, flyash, vermiculite ash or 25 ℃.
5, low heat-conducting metal gloss paint according to claim 4, thermal conductivity is the 250-300 order less than the particle diameter of 0.2w/mk filler when it is characterized in that perlite ash, asbestos plaster, flyash, vermiculite ash or 25 ℃.
6, low heat-conducting metal gloss paint according to claim 1, thermal conductivity is by weight 4 less than the content ratio of 0.2w/mk filler when it is characterized in that aluminium flake, white clouds sheet, sericite sheet, phlogopite sheet or mica titanium pigment and perlite ash, asbestos plaster, flyash, vermiculite ash or 25 ℃: 1-1: 1.
7, the preparation method of the described low heat-conducting metal gloss paint of claim 1 may further comprise the steps:
(1) aluminium flake, the white clouds sheet, the sericite sheet, the preparation of phlogopite sheet or mica titanium pigment: aluminium flake, the white clouds sheet, the sericite sheet, phlogopite sheet or mica titanium pigment were calcined 1 hour down at 900 ℃, tap water dip 20 hours are used in the cooling back, milled afterwards 4 hours, carry out sub-sieve and select the flaky material of suitable specification for use, sheet material was through bubble washing 5-8 hour, place reactor then, adding the iron trichloride of 250 grams per liters and the titanium dioxide of 300 grams per liters is 2.8-3.5 at pH, carry out coating under 72 ℃ of conditions, coating finishes after the washing of purifying waste water, oven dry, then with 900 ℃ of calcinings 1 hour, discharging is passed through silicon oxide again at 70-75 ℃, and pH carries out coating under the condition of 4-6, and coating quantity is 3-6%;
(2) when perlite ash, asbestos plaster, flyash, vermiculite ash or 25 ℃ thermal conductivity less than the preparation of 0.2w/mk filler: thermal conductivity forms through milling, sieving after the screening, 900-1000 ℃ calcining 25-50 minute down, discharging cooling less than the 0.2w/mk filler when perlite ash, asbestos plaster, flyash, vermiculite ash or 25 ℃;
(3) press formula rate, take by weighing various components, thermal conductivity fully stirs the wetting component I of making less than the 0.2w/mk filler during with wetting agent, dispersion agent, water, aluminium flake, white clouds sheet, sericite sheet, phlogopite sheet or mica titanium pigment and perlite ash, asbestos plaster, flyash, vermiculite ash or 25 ℃, then organosilicon crylic acid latex, thickening material, film coalescence aid are mixed and make component I I, component I and the component I I back that stirs is added defoamer, restir 30 minutes filters, adorns and irritate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031161472A CN1331969C (en) | 2003-04-03 | 2003-04-03 | Low heat-conductive metal gloss paint and its preparation method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031161472A CN1331969C (en) | 2003-04-03 | 2003-04-03 | Low heat-conductive metal gloss paint and its preparation method |
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| CN1536041A CN1536041A (en) | 2004-10-13 |
| CN1331969C true CN1331969C (en) | 2007-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB031161472A Expired - Fee Related CN1331969C (en) | 2003-04-03 | 2003-04-03 | Low heat-conductive metal gloss paint and its preparation method |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105255036B (en) * | 2015-11-19 | 2017-09-22 | 华北水利水电大学 | A kind of economic benefits and social benefits roofing with temperature control device |
| US20210371681A1 (en) * | 2017-12-28 | 2021-12-02 | Kansai Paint Co., Ltd. | Coating composition, coated article and method for forming multilayer coating film |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1045469A (en) * | 1996-05-30 | 1998-02-17 | Kyocera Corp | Dielectric thin film and ceramic capacitor |
| CN1250073A (en) * | 1998-12-31 | 2000-04-12 | 重庆阳彩实业有限公司 | White waterproof heat insulating elastic paint |
| CN1388196A (en) * | 2002-07-01 | 2003-01-01 | 湖北大学 | Low-surface energy antifouling seagoing ship paint and its prepn |
-
2003
- 2003-04-03 CN CNB031161472A patent/CN1331969C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1045469A (en) * | 1996-05-30 | 1998-02-17 | Kyocera Corp | Dielectric thin film and ceramic capacitor |
| CN1250073A (en) * | 1998-12-31 | 2000-04-12 | 重庆阳彩实业有限公司 | White waterproof heat insulating elastic paint |
| CN1388196A (en) * | 2002-07-01 | 2003-01-01 | 湖北大学 | Low-surface energy antifouling seagoing ship paint and its prepn |
Non-Patent Citations (1)
| Title |
|---|
| 超耐候硅丙外墙乳胶涂料的研制 陈中华，中国生漆，第3期 2001 * |
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