CN103131215A - House heat-insulation coating and preparation method thereof - Google Patents
House heat-insulation coating and preparation method thereof Download PDFInfo
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- CN103131215A CN103131215A CN 201110374258 CN201110374258A CN103131215A CN 103131215 A CN103131215 A CN 103131215A CN 201110374258 CN201110374258 CN 201110374258 CN 201110374258 A CN201110374258 A CN 201110374258A CN 103131215 A CN103131215 A CN 103131215A
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Abstract
The invention relates to a house heat-insulation coating which comprises high-alumina cement, lime, fly ash, water glass and a foaming agent of aluminium powder. The high-alumina cement, lime, fly ash, and water glass with a weight ratio of 0.32-0.45:0.22-0.25:0.35-0.45:0.05 are mixed with 0.54-0.60 wt% of water, and the mixture is stirred in a reaction vessel to prepare viscous pasty fluid. The coating solidifies into solid at normal temperature after application for 10-24 hours. The coating can be coated on a newly-built wall directly without pointing; the coating can be used as a heat-insulation layer with a cement mortar protective layer covered outside, and has a service life being the same as a building; when the coating is used on an old building body, exterior wall coatings need to be polished completely before application of the coating of the invention. The coating has the advantages of no toxicity, no smell, no corrosion, no environment pollution, better heat insulation effect then polystyrene boards, and improved heat insulation performance by 30-50%. The preparation method of the coating can reduce the carbon dioxide discharge capacity. The coating and the preparation method of the invention have quite wide application prospects.
Description
The invention belongs to the energy-saving building materials technical field.Relate to the heat-insulation coating for house that engineering is used, say more specifically a kind of method of heat-insulation coating for house and preparation thereof.
Background technology
The industry that built the eighties in 20th century in the past and covil construction generally all are discontented with podomere can requirement.Therefore, old room is carried out reducing energy consumption, put on agenda.Compare with interior insulation, adopt outer heat preserving mode to carry out reducing energy consumption to old room, one of its great advantage is to need not interim resettlement, does not substantially affect user's indoor activity and orthobiosis.What the more important thing is that novel building design mostly takes is skeleton construction and large window daylighting, the thermosteresis of the thermosteresis of the beam and column of skeleton construction and large window all must be compensated by body of wall like this, so more increased the load of air-entrained concrete building block thermal and insulating performance, in order to reach the building energy conservation target, the designer must not increase thickness of wall body.Exchange the realization of index of construction energy conservation for loss interior architecture area.
External wall outer insulation is a kind of most scientific, the most efficient energy-saving insulating technique; be about to the outside that lagging material is placed in the main body building enclosure; so not only can reach the purpose of heat insulating, and can also protect the agent structure of buildings, extend the work-ing life of buildings.This technology efficiently solves the large and energy loss problem that causes of two season of summer in winter indoor/outdoor temperature-difference, has represented the developing direction of energy-saving heat preserving technology.External thermal insulation system can not produce heat bridge, therefore has good building energy conservation effect.Can effectively be intercepted winter when indoor heat is attempted by wall heat insulation material, thereby reduce the consumption of indoor heat; In summer, it is indoor that wall heat insulation material can stop solar radiation and outside heat to be imported into equally, builds afterwards a home from home cool in summer and warm in winter in buildings.
Exterior coating for the brushing facade, so a most important index is exactly ultraviolet radiation resisting, requires to reach long-time irradiation nondiscoloration.Exterior coating has also required water repelling property, and requiring has from washing property.It is hard and smooth, dirty once rushing that paint film is wanted.It is energy because it also has a water resisting property that exterior coating can be used for interior wall brushing use; And interior wall coating does not possess anti-solarization function, so can not be interior wall coating when exterior coating use.
The exterior wall heat-insulating paint system is comprised of multiple materials such as bonding mucilage, warming plate, finishing mucilage, glass grid cloth, architectural surfaces, can play that good heat insulating, cracking resistance are weather-proof, the novel building wall external heat-insulation decoration system of ventilated energy-saving and decoration function becomes one of most economical effective energy-conservation solution now.No matter from the mechanism of building energy conservation or weigh from actual energy-saving effect, outer insulation way is optimal selection.Adopt abroad the construction history of existing more than 40 years of outer insulation, in recent years, also in succession built a collection of outer heat-preserving building at China Beijing, Tianjin, Shenyang, Dalian, Shandong, Jiangsu, zhejiang and other places, obtained good effect and more successful experience.Therefore, no matter be that heat preservation energy-saving is imperative outside cold district, Xia Redong cryogenic region or hot summer and warm winter region are promoted, also be bound to obtain good economic benefit, social benefit and environmental benefit in the energy conservation of subordinate phase.
Summary of the invention
An object of the present invention is to overcome the existing requirement that can not satisfy the index of construction energy conservation that day by day improves, a kind of heat-insulation coating for house is provided, can no longer lose the realization that the interior architecture area exchanges index of construction energy conservation for.
The invention provides for achieving the above object following technical scheme:
A kind of heat-insulation coating for house it is characterized in that being comprised of high-alumina cement, lime, flyash, water glass and whipping agent aluminium powder; Its ratio of weight and number is high-alumina cement: lime: flyash: water glass=0.3～0.5: 0.1～0.8: 0.4～0.8: 0.04 is that 0.3～0.80 water mixes with parts by weight, makes thick lotion through stirring in reactor.10-24 hour solid that congeals under normal temperature after this coating uses.
Heat-insulation coating for house of the present invention it is characterized in that being comprised of high-alumina cement, lime, flyash, water glass and whipping agent aluminium powder; Its ratio of weight and number is high-alumina cement: lime: flyash: water glass=0.32～0.45: 0.22～0.25: 0.35～0.45: 0.05 is that 0.5～0.60 water mixes with parts by weight.
The advantage of heat-insulation coating for house of the present invention:
1, good decorative property: require exterior coating rich color and tint retention good, can the long period keep original decorate properties.
2, good weatherability: exterior coating; because coating is exposed in atmosphere; stand wind, Exposure to Sunlight, salt air corrosion, drench with rain, the effect such as cold and hot variation; under the prolonged and repeated effect of these extraneous physical environments; the easy cracking of coating, efflorescence, peel off, the phenomenon such as variable color, make coating lose original decoration defencive function.Therefore, require exterior wall within the working life of regulation, above-mentioned breakoff phenomenon should not occur in coating.
3, contamination resistance is good: because China's different areas envrionment conditions differs greatly, city for some heavy industry, mining industry prosperity, due to dust in atmosphere and other suspended matters more, can make easy contamination coating lose original decorative effect, thereby affect the buildings appearance.Therefore, exterior coating should have contamination resistance preferably, make coating be difficult for contaminated or pollute after easily wash.
4, water-tolerant: the exterior coating facing is exposed in atmosphere, can often be subject to rainwash.Therefore, the exterior coating coating should have water tolerance preferably.
5, anti-mould sex change is good: the exterior coating facing is easy mildew in wet environment.Therefore, mould fungus inhibition and the algae reproduction growth embodiment that requires to film:
In order to explain more fully implementation method of the present invention, provide the difference of fly ash aerated insulation block without autoclaving to form and preparation method thereof embodiment.These embodiments are only to explain rather than limit the scope of the invention.Wherein raw material used all has commercially available.Umber of the present invention can be both gram, kilogram or ton; Can be also milliliter or rise, according to the needs of preparation can be suitable adjusted.Wherein the ratio in embodiment is ratio of weight and number (except mark is arranged).
Embodiment 1
(1) material fiting ratio:
High-alumina cement: lime: flyash: water glass=0.3: 0.2: 0.45: 0.05, be then 0.56 to add water and stir by ratio of water to material.Wherein the consumption of whipping agent (aluminium powder) is 0.085% (weight percent) of gas concrete material total amount, makes thick lotion through stirring in reactor.10-24 hour solid that congeals under normal temperature after this coating uses.Newly-built wall be need not jointing directly to be smeared and gets final product; Make thermal insulation layer and use the outer cover coating mortar, the life-span is identical with building; If use on old room body, need the exterior coating polishing is totally smeared again.
Embodiment 2
(1) material fiting ratio:
High-alumina cement: lime: flyash: water glass=0.32: 0.21: 0.42: 0.05, be then 0.56 to add water and stir by ratio of water to material.Wherein the consumption of whipping agent (aluminium powder) is 0.086% (weight percent) of material total amount., make thick lotion through stirring in reactor.10-24 hour solid that congeals under normal temperature after this coating uses.Newly-built wall be need not jointing directly to be smeared and gets final product; Make thermal insulation layer and use the outer cover coating mortar, the life-span is identical with building; If use on old room body, need the exterior coating polishing is totally smeared again.
Embodiment 3
(1) material fiting ratio:
High-alumina cement: lime: flyash: gypsum=0.31: 0.22: 0.43: then 0.04 be 0.58 to add water and stir by ratio of water to material.Wherein the consumption of whipping agent (aluminium powder) is 0.085% (weight percent) of material total amount., make thick lotion through stirring in reactor.10-24 hour solid that congeals under normal temperature after this coating uses.Newly-built wall be need not jointing directly to be smeared and gets final product; Make thermal insulation layer and use the outer cover coating mortar, the life-span is identical with building; If use on old room body, need the exterior coating polishing is totally smeared again.
Embodiment 4
High-alumina cement, lime, flyash, water glass and whipping agent aluminium powder form; Its ratio of weight and number is high-alumina cement: lime: flyash: water glass=0.3: 0.8: 0.4: 0.04 is that 0.3 water mixes with parts by weight, makes thick lotion through stirring in reactor.Lower 10 hours solids that congeal into of normal temperature after this coating uses.Newly-built wall be need not jointing directly to be smeared and gets final product; Make thermal insulation layer and use the outer cover coating mortar, the life-span is identical with building; If use on old room body, need the exterior coating polishing is totally smeared again.
Embodiment 5
High-alumina cement, lime, flyash, water glass and whipping agent aluminium powder form; Its ratio of weight and number is high-alumina cement: lime: flyash: water glass=0.45: 0.25: 0.45: 0.05 is that 0.60 water mixes with parts by weight.Newly-built wall be need not jointing directly to be smeared and gets final product; Make thermal insulation layer and use the outer cover coating mortar, the life-span is identical with building; If use on old room body, need the exterior coating polishing is totally smeared again.
Conventional application:
1, building heat preservation is used: brushing 4～15mmRLHY-11 normal temperature insulating mold coating can prevent that 30%～90% heat runs off.
2, heat-insulating is used: brushing 0.5～1mmRLHY-11 normal temperature insulating mold coating, and can make the outer surface of building temperature reduce by 20～30 ℃, the building interior temperature reduces by 8～10 degree.
3, brushing at inner wall of building, can prevent the generation of water of condensation, prevents that body of wall is mouldy, the phenomenon such as become mildewed, the function such as have simultaneously insulation, waterproof, protection against the tide, can clean.
4, winter outdoor-20 the degree, indoor can keep 0 the degree more than.
Embodiment 6
(1) material fiting ratio:
High-alumina cement: lime: flyash: water glass=0.36: 0.22: 0.41: 0.01, be then 0.56 to add water and stir by ratio of water to material.Wherein the consumption of whipping agent (aluminium powder) is 0.086% (weight percent) of material total amount., make thick lotion through stirring in reactor.10-24 hour solid that congeals under normal temperature after this coating uses.Newly-built wall be need not jointing directly to be smeared and gets final product; Make thermal insulation layer and use the outer cover coating mortar, the life-span is identical with building; If use on old room body, need the exterior coating polishing is totally smeared again.
Embodiment 7
(1) material fiting ratio:
High-alumina cement: lime: flyash: gypsum=0.2: 0.3: 0.5: then 0.01 be 0.58 to add water and stir by ratio of water to material.Wherein the consumption of whipping agent (aluminium powder) is 0.085% (weight percent) of material total amount., make thick lotion through stirring in reactor.10-24 hour solid that congeals under normal temperature after this coating uses.Newly-built wall be need not jointing directly to be smeared and gets final product; Make thermal insulation layer and use the outer cover coating mortar, the life-span is identical with building; If use on old room body, need the exterior coating polishing is totally smeared again.
Claims (2)
1. a heat-insulation coating for house, it is characterized in that being comprised of high-alumina cement, lime, flyash, water glass and whipping agent aluminium powder; Its ratio of weight and number is high-alumina cement: lime: flyash: water glass=0.3～0.5: 0.1～0.8: 0.4～0.8: 0.04 is that 0.3～0.80 water mixes with parts by weight, makes thick lotion through stirring in reactor.10-24 hour solid that congeals under normal temperature after this coating uses.
2. heat-insulation coating for house claimed in claim 1, it is characterized in that being comprised of high-alumina cement, lime, flyash, water glass and whipping agent aluminium powder; Its ratio of weight and number is high-alumina cement: lime: flyash: water glass=0.32～0.45: 0.22～0.25: 0.35～0.45: 0.05 is that 0.5～0.60 water mixes with parts by weight.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110374258 CN103131215A (en) | 2011-11-23 | 2011-11-23 | House heat-insulation coating and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110374258 CN103131215A (en) | 2011-11-23 | 2011-11-23 | House heat-insulation coating and preparation method thereof |
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| CN103131215A true CN103131215A (en) | 2013-06-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103496932A (en) * | 2013-09-25 | 2014-01-08 | 广西科技大学 | Inorganic special historic building wall coating adopting flyash and preparation method thereof |
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2011
- 2011-11-23 CN CN 201110374258 patent/CN103131215A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103496932A (en) * | 2013-09-25 | 2014-01-08 | 广西科技大学 | Inorganic special historic building wall coating adopting flyash and preparation method thereof |
| CN103496932B (en) * | 2013-09-25 | 2015-06-17 | 广西科技大学 | Inorganic special historic building wall coating adopting flyash and preparation method thereof |
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Application publication date: 20130605 |