CN1211310C - Wall surface heat insulating meterial - Google Patents
Wall surface heat insulating meterial Download PDFInfo
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- CN1211310C CN1211310C CN 02139225 CN02139225A CN1211310C CN 1211310 C CN1211310 C CN 1211310C CN 02139225 CN02139225 CN 02139225 CN 02139225 A CN02139225 A CN 02139225A CN 1211310 C CN1211310 C CN 1211310C
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- wall surface
- weight
- heat insulating
- polyvinyl alcohol
- surface heat
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- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The present invention discloses wall surface heat insulating material which mainly solves the defects of bad heat insulation effect and bad energy saving effect of the existing wall surface material. The material is prepared from 45 to 60% of base material, 15 to 25% of expanded perlite, 8 to 15% of portland cement, 10 to 20% of polyvinyl alcohol glue, 0.8 to 1.5% of carboxymethyl cellulose, 1.5 to 2.5% of sodium bentonite and 0.1 to 0.2% of polypropylene fiber by weight, wherein the base material is discrete powder particles of light calcium carbonate whose surface is wrapped with a layer of stearic acid. The material has the advantages of small density, low heat conduction coefficient, strong hydrophobic performance and high mechanical properties of compression resistance, shrinkage resistance, etc., the material is rarely influenced by the environment climate and the deformation of walls and can effectively prevent indoor and outdoor heat exchange; the present invention is suitable for the heat insulation of inner sides and outer sides of fender structures of buildings and industrial pipelines.
Description
Technical field
The present invention relates to energy saving building material, refer to a kind of wall surface heat insulating lagging material that is mainly used in the outside in the architectural exterior-protecting construction particularly.
Background technology
At present, the employed conventional cement mortar that still follows for many years of wall face in the most architectural exterior-protecting constructions of China, the thermal conductivity of this conventional cement mortar layer is very high, the function that stops heat to transmit is very poor, in the very big area of indoor/outdoor temperature-difference cold in winter and hot in summer, often the frequent heat exchange because of cold and hot air consumes a large amount of energy.In order to address the above problem, people's prelibation adds the particle of a certain amount of polystyrene or other plastic materials in conventional cement mortar, hope is satisfied the particularly heat-insulation and heat-preservation requirement of wall face of metope by particulate thermal resistance characteristics such as polystyrene or plastics, but this improved metope mortar material still exists following defective: one, the density of this mortar sheath is still bigger than normal, corresponding thermal conductivity makes that also up to 0.29w/mk its heat insulation and preservation effect is unsatisfactory; Its two, this mortar component has certain hydrophilic nmature, waterproof and dampproof poor-performing, in case run into the etch of sleety weather or humid climate, its heat-insulation and heat-preservation ability will sharply descend; They are three years old, the particles dispersed such as polystyrene of being mixed in this mortar component cement slurry adhesiveproperties and and the bonding force of body of wall, its ultimate compression strength and anti-contractility have been reduced, shrink the crack that produces in the changeable following time of physical environment once long distortion and the mortar self that can't resist body of wall, thereby cause its heat insulation and preservation effect significantly to reduce.In a word, existing metope cladding is difficult to reach the satisfied building energy-saving standard of national regulation.
Summary of the invention
Purpose of the present invention is exactly to provide a kind of amblent air temperature and deformation of wall of being subjected to influence wall surface heat insulating lagging material little and that can stop the indoor and outdoor heat to transmit effectively.
For realizing this purpose, the present invention has furtherd investigate the characteristic after various building materials self and the combination thereof, thereby develop a kind of wall surface heat insulating lagging material, this material is made of 45～60% base-material, 15～25% pearlstone, 8～15% silicate cement, 10～20% polyvinyl alcohol glue, 0.8～1.5% carboxymethyl cellulose, 1.5～2.5% sodium bentonite and 0.1～0.2% polypropylene fibre by weight.Wherein, said base-material is that appearance is enclosed with the diffusing shape powder of the stearic light calcium carbonate of one deck, it is by the light calcium carbonate powder of 94～96% weight and the stearic acid of 4～6% weight, forms through naturally cooling after 2～3 hours at hot mix under 105～150 ℃ the temperature condition.
Preferred above-mentioned wall surface heat insulating lagging material is made of 50～55% base-material, 18～22% pearlstone, 9～12% silicate cement, 12～16% polyvinyl alcohol glue, 0.9～1.2% carboxymethyl cellulose, 1.8～2.2% sodium bentonite and 0.14～0.18% polypropylene fibre by weight.
Best above-mentioned wall surface heat insulating lagging material is made of 52% base-material, 20% pearlstone, 10% silicate cement, 15% polyvinyl alcohol glue, 1.0% carboxymethyl cellulose, 1.85% sodium bentonite and 0.15% polypropylene fibre by weight.
Compare with above-mentioned existing resemble construction material, superiority of the present invention is mainly reflected in the following aspects: one, the base-material that plays leading heat-insulation and heat-preservation effect in the material of the present invention adopts and is enclosed with the diffusing shape powder of the stearic light calcium carbonate of one deck, it with than the raw materials such as pearlstone of low thermal conductivity compound after, formed the micropore that many sealings do not connect at material internal, the density of material is obviously alleviated, and only is 500～600kg/m
3, and be full of the more weak still air of heat-conductive characteristic in these micropores, thus can stop the transmission of external heat effectively, reach good heat insulation and preservation effect.Also can reflect the card this point from the thermal conductivity of material: the thermal conductivity of material of the present invention is only for about 0.099w/mk, and the thermal conductivity of same type of material is about 0.26w/mk.They are two years old, the base-material that is adopted in the material of the present invention has extremely strong hydrophobic nature, its hydrophobic rate can reach 98%, make material of the present invention self also have very strong waterproof and dampproof ability, meet the then defective that declines to a great extent rapidly of heat preservation and insulation of water thereby overcome traditional wall covering, solved a great problem that the wall surface heat insulating lagging material is used.Its three, the carboxymethyl cellulose and the sodium bentonite that are adopted in the material of the present invention can guarantee silicate cement sufficient reacting in hydration process effectively, to bring into play the cohesive strength of itself and body of wall to greatest extent; The polypropylene fortifying fibre that is adopted, the contraction of resistance wall body deformability and material self effectively prevents that the crack from appearring in metope; The polyvinyl alcohol glue that is adopted is the further mutual cohesive force between strengthening material self and material and the body of wall interface then.Test shows, the particularly above-mentioned preferred or best materials of material of the present invention has excellent heat preservation and insulation, good waterproof and dampproof function, and good mechanical characteristic, being applied to behind the body of wall substantially not can be because of the variation of the prolongation of time, natural climate and cause degradation.
Embodiment
The present invention is described in further detail below in conjunction with specific embodiment:
The wall surface heat insulating lagging material that embodiment 1 provides is made of 50% base-material, 22% pearlstone, 11% silicate cement, 14% polyvinyl alcohol glue, 1.0% carboxymethyl cellulose, 1.85% sodium bentonite and 0.15% polypropylene fibre by weight.
The wall surface heat insulating lagging material that embodiment 2 provides is made of 52% base-material, 20% pearlstone, 10% silicate cement, 15% polyvinyl alcohol glue, 1.0% carboxymethyl cellulose, 1.85% sodium bentonite and 0.15% polypropylene fibre by weight.
The wall surface heat insulating lagging material that embodiment 3 provides is made of 55% base-material, 18% pearlstone, 12% silicate cement, 12% polyvinyl alcohol glue, 1.0% carboxymethyl cellulose, 1.85% sodium bentonite and 0.15% polypropylene fibre by weight.
In the various embodiments described above, base-material is that appearance is enclosed with the diffusing shape powder of the stearic light calcium carbonate of one deck, it is formed through naturally cooling after 2～3 hours at hot mix under 105～150 ℃ the temperature condition by the light calcium carbonate powder of 94～96% weight and the stearic acid of 4～6% weight.The light calcium carbonate powder should meet the requirement of national chemical industry standard HG2226-91, and stearic purity should be not less than 98%.This base-material is a component the most key in the material of the present invention, the quality of its quality can produce basic influence to the performance of whole material, have only strict by above-mentioned art breading, stearic acid is wrapped in outside the light calcium carbonate powder fully, form the diffusing shape powder of hydrophobic nature, just can guarantee the water-proof, heat-insulating, heat-preserving energy-efficient performance of material of the present invention.Pearlstone also plays heat-insulation and heat-preservation in material, domestic production is very general, and label is the tap density≤200kg/m of 200 pearlstone
3, water ratio≤2%, granularity≤4%, thermal conductivity≤0.066w/mk, label is the tap density≤250kg/m of 250 pearlstone
3, water ratio≤2%, granularity≤4%, thermal conductivity≤0.072w/mk, these two kinds of products all can be selected for use.Silicate cement is used for bringing into play intensity at material, and can to make material and metope secure bond be one, selects for use the 32.5 grade ordinary Portland cements that meet national standard to get final product.Polyvinyl alcohol glue is by the commercial polyethylene alcohol glue particle of 30～50% weight and 50～70% water, fully heat of solution and the sticking shape liquid that forms under 70～100 ℃ temperature condition, it can make the cohesive force between material self and material and the body of wall interface be strengthened fully.Carboxymethyl cellulose and sodium bentonite mix formation water conservation toughener mutually, can guarantee that in material ordinary Portland cement has the moisture content aquation of q.s, with its intensity index of further raising.The pencil filament staple fibre that polypropylene fibre system is made of polyacrylic ester, its proportion is about 0.91g/cm
3, tensile strength is about 276Mpa, has finished product to sell on the market, and it is the contraction of resistance wall body deformability and material self effectively, avoids fissured generation, thereby guarantees that for a long time the body of wall heat preservation and insulation does not descend.
The wall surface heat insulating lagging material of the various embodiments described above is with low cost, is easy to accept into market.Its constructing operation is simple, by the requirement of material component ratio add an amount of water scene feed intake stir after, can as traditional sand-cement slurry, whitewash Shang Qiang, or need be applied to the industrial pipeline of heat-insulation and heat-preservation.
Claims (4)
1. wall surface heat insulating lagging material is characterized in that: this material is made of 45～60% base-material, 15～25% pearlstone, 8～15% silicate cement, 10～20% polyvinyl alcohol glue, 0.8～1.5% carboxymethyl cellulose, 1.5～2.5% sodium bentonite and 0.1～0.2% polypropylene fibre by weight; Wherein, said base-material is that appearance is enclosed with the diffusing shape powder of the stearic light calcium carbonate of one deck, it is by the light calcium carbonate powder of 94～96% weight and the stearic acid of 4～6% weight, forms through naturally cooling after 2～3 hours at hot mix under 105～150 ℃ the temperature condition.
2. wall surface heat insulating lagging material according to claim 1 is characterized in that: this material is made of 50～55% base-material, 18～22% pearlstone, 9～12% silicate cement, 12～16% polyvinyl alcohol glue, 0.9～1.2% carboxymethyl cellulose, 1.8～2.2% sodium bentonite and 0.14～0.18% polypropylene fibre by weight.
3. wall surface heat insulating lagging material according to claim 1 is characterized in that: this material is made of 52% base-material, 20% pearlstone, 10% silicate cement, 15% polyvinyl alcohol glue, 1.0% carboxymethyl cellulose, 1.85% sodium bentonite and 0.15% polypropylene fibre by weight.
4. according to claim 1 or 2 or 3 described wall surface heat insulating lagging materials, it is characterized in that: said polyvinyl alcohol glue is by the polyvinyl alcohol glue particle of 30～50% weight and 50～70% water, heat of solution under 70～100 ℃ temperature condition and the sticking shape liquid that forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02139225 CN1211310C (en) | 2002-10-31 | 2002-10-31 | Wall surface heat insulating meterial |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02139225 CN1211310C (en) | 2002-10-31 | 2002-10-31 | Wall surface heat insulating meterial |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1493544A CN1493544A (en) | 2004-05-05 |
| CN1211310C true CN1211310C (en) | 2005-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02139225 Expired - Fee Related CN1211310C (en) | 2002-10-31 | 2002-10-31 | Wall surface heat insulating meterial |
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| Country | Link |
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| CN (1) | CN1211310C (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1319901C (en) * | 2005-10-21 | 2007-06-06 | 杨立峰 | Light heat insulating sound proofing wall partition board and its production method |
| CN1328206C (en) * | 2005-11-10 | 2007-07-25 | 李淦林 | Ceramic wall tile surface treating agent |
| CN102219450B (en) * | 2011-04-11 | 2012-09-26 | 福州创美装饰材料有限公司 | Waterproof crack-resistant fireproof internal and external wall heat-preserving heat-insulating coating and preparation method thereof |
| CN102504718A (en) * | 2011-10-17 | 2012-06-20 | 韩长宾 | Heat-preservation adhesive |
| CN104072017A (en) * | 2014-07-04 | 2014-10-01 | 王祥林 | Hydrophobic inorganic gel powder compounded multifunctional insulating mortar, as well as application and preparation method thereof |
| CN104163605A (en) * | 2014-07-15 | 2014-11-26 | 湖北华裕龙节能环保材料科技有限公司 | Exterior wall, slope and flat roofing insulation board manufacturing method and insulation board |
| CN104830170A (en) * | 2015-04-29 | 2015-08-12 | 防城港港美家建材市场投资股份有限公司 | Light thermal insulation material |
| WO2016186593A1 (en) * | 2015-05-15 | 2016-11-24 | Çerezci Alperen | Construction materials with high thermal insulation property and production method |
| CN106832699A (en) * | 2015-12-07 | 2017-06-13 | 天津拓展伟创材料研究有限公司 | Intensity/from anharmonic ratio insulation building board high and preparation method thereof |
| TWI637931B (en) * | 2017-03-16 | 2018-10-11 | 陳華森 | A waterproof and heat-isolate composite powder |
| CN107935488B (en) * | 2017-12-05 | 2020-07-28 | 杭州黑蝶新材料科技有限公司 | Wallpaper mate coating and preparation method and construction method thereof |
-
2002
- 2002-10-31 CN CN 02139225 patent/CN1211310C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN1493544A (en) | 2004-05-05 |
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