CN103449779A - Polymer cement heat-preservation heat-insulation paper and preparation method thereof - Google Patents
Polymer cement heat-preservation heat-insulation paper and preparation method thereof Download PDFInfo
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- CN103449779A CN103449779A CN2013103745613A CN201310374561A CN103449779A CN 103449779 A CN103449779 A CN 103449779A CN 2013103745613 A CN2013103745613 A CN 2013103745613A CN 201310374561 A CN201310374561 A CN 201310374561A CN 103449779 A CN103449779 A CN 103449779A
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Abstract
The invention discloses a polymer cement heat-preservation heat-insulation paper which is prepared by uniformly and respectively applying a cement-base heat-preservation heat-insulation material on the upper and lower surfaces of a non-woven fabric, drying and performing waterproofing treatment. In addition, the invention also discloses a preparation method of the polymer cement heat-preservation heat-insulation paper. The polymer cement heat-preservation heat-insulation paper disclosed by the invention has favorable heat insulation, flame retardancy and water resistance, can be well attached to an organic heat-preservation board and a cement wall, and can be used as a fireproof surface layer of an organic heat-insulation material. Compared with the rigid inorganic facing board for organic heat preservation at present, the polymer cement heat-preservation heat-insulation paper disclosed by the invention has favorable flexibility, can not crack after repeated bending, and can be used for heat-preservation material facing and molding on a polyurethane continuous foaming production line. The polymer cement heat-preservation heat-insulation paper disclosed by the invention can also be used as a heat-preservation heat-insulation decorative material for building internal and external wall surfaces, furniture surfaces, automobile inner linings and the like by decorative coating application.
Description
Technical field
The invention belongs to New Building Materials scientific and engineering technical field, be specifically related to a kind of polymer cement thermal insulating paper and preparation method thereof.
Background technology
In recent years, a lot of Fire Accidents for Buildings that China occurs are all relevant with architecture exterior wall insulating materials.At present, mostly use organic insulation material in China's building exterior wall heat preserving, these materials are not prevented fires, easily emit poisonous, obnoxious flavour in easy firing and burning, therefore in construction and application, have great potential safety hazard.
Increasing fireproofing on the organic insulation material surface is to improve its fire resistance and flame retardant resistance, reduce one of measure of fire risk, but not heat insulation fireproofing can reduce the heat insulating effect of lagging material.
Summary of the invention
Technical problem to be solved by this invention is for above-mentioned the deficiencies in the prior art, and a kind of polymer cement thermal insulating paper is provided.This polymer cement thermal insulating paper density is low, there is flame retardant resistance, water-repellancy and heat-proof quality preferably, can well bond with organic heat-insulating plate and cement wall, can be used as the fire prevention surface layer of organic insulation material, with fire prevention and the flame retardant properties of improving organic insulation material.With the rigid inorganic cladding boards that current organic heat-insulating is used, compare, polymer cement thermal insulating paper of the present invention has snappiness preferably, can alternating bending and do not ftracture, and can be for the lagging material clad can moulding on the continuous foamed production line of urethane.This polymer cement thermal insulating paper can also be as the heat insulation and decoration material of Discussion on architecture metope, furniture surface and inner lining of automobile etc. by applying decorative coveringn.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of polymer cement thermal insulating paper, it is characterized in that, the non-woven fabrics that described polymer cement thermal insulating paper applies the cement based heat preserving and insulating material by upper and lower surface uniform WATER REPELLENT is after drying made.
Above-mentioned a kind of polymer cement thermal insulating paper, described cement based heat preserving and insulating material is mixed and is made by the raw material of following weight percent: cement 15%～25%, polymer emulsion 10%～15%, thickening material 5%～7%, inorganic combustion inhibitor 15%～20%, inorganic heat insulating filler 25%～30%, water 3%～30%; Described polymer emulsion is ethylene-vinyl acetate copolymer emulsion, aqueous polyvinyl acetate emulsion or polyacrylate dispersion; Described thickening material by natural clay mineral, water and naphthalene series high-efficiency water-reducing agent by 0.5: (4～6): 0.5 quality is made than mixed grinding; Described inorganic combustion inhibitor is aluminium hydroxide and/or magnesium hydroxide; Described inorganic heat insulating filler is pearlstone, expanded vermiculite and floats one or more in pearl, and the granularity of inorganic heat insulating filler is not more than 100 orders.
Above-mentioned a kind of polymer cement thermal insulating paper, described cement based heat preserving and insulating material is mixed and is made by the raw material of following weight percent: cement 18%～22%, polymer emulsion 11%～14%, thickening material 6%, inorganic combustion inhibitor 16%～19%, inorganic heat insulating filler 26%～29%, water 10%～23%.
Above-mentioned a kind of polymer cement thermal insulating paper, described cement based heat preserving and insulating material is mixed and is made by the raw material of following weight percent: cement 20%, polymer emulsion 12.5%, thickening material 6%, inorganic combustion inhibitor 17.5%, inorganic heat insulating filler 27.5%, water 16.5%.
Above-mentioned a kind of polymer cement thermal insulating paper, the solid content of described ethylene-vinyl acetate copolymer emulsion is not less than 55%, and the solid content of aqueous polyvinyl acetate emulsion is not less than 30%, and the solid content of polyacrylate dispersion is not less than 50%.
Above-mentioned a kind of polymer cement thermal insulating paper, described natural clay mineral is wilkinite, sepiolite, attapulgite or kaolin, described naphthalene series high-efficiency water-reducing agent is naphthalenesulfonate formaldehyde condensation compound.
In addition, the present invention also provides a kind of method for preparing above-mentioned polymer cement thermal insulating paper, it is characterized in that, the method is: the upper and lower surface that at first the cement based heat preserving and insulating material evenly is coated on to non-woven fabrics, the coating thickness on upper and lower surface is 0.25mm～0.45mm, then the non-woven fabrics that is coated with the cement based heat preserving and insulating material is carried out to drying, then carry out WATER REPELLENT, obtain the polymer cement thermal insulating paper.
Above-mentioned method, the temperature of described drying is 60 ℃～90 ℃.
Above-mentioned method, the method of described WATER REPELLENT is: the organic silicon water-proofing material evenly is coated on to the dried upper and lower surface that is coated with the non-woven fabrics of cement based heat preserving and insulating material, then dry under 60 ℃～90 ℃, the amount of upper and lower surface-coated organic silicon water-proofing material is 0.005kg/m
2～0.05kg/m
2; Described organic silicon water-proofing material is the high boiling Sodium silanolate solution that the solid content methyl silicon sodium alcoholate that is 30% or solid content are 30%.
Above-mentioned method, the preparation method of described cement based heat preserving and insulating material is: cement, inorganic combustion inhibitor and inorganic heat insulating filler are mixed, then add polymer emulsion, thickening material and water in mixture, stir, obtain the cement based heat preserving and insulating material.
The present invention compared with prior art has the following advantages:
1, polymer cement thermal insulating paper density of the present invention is low, there is flame retardant resistance, water-repellancy and heat-proof quality preferably, can well bond with organic heat-insulating plate and cement wall, can be used as the fire prevention surface layer of organic insulation material, with fire prevention and the flame retardant properties of improving organic insulation material.With the rigid inorganic cladding boards that current organic heat-insulating is used, compare, polymer cement thermal insulating paper of the present invention has snappiness preferably, can alternating bending and do not ftracture, and can be for the lagging material clad can moulding on the continuous foamed production line of urethane.
2, polymer cement thermal insulating paper of the present invention can also be as the heat insulation and decoration material of Discussion on architecture metope, furniture surface and inner lining of automobile etc. by applying decorative coveringn.
3, polymer cement thermal insulating paper thermal conductivity of the present invention is 0.036W/mK～0.074W/mK, density 0.25g/cm
3～0.45g/cm
3, only the time of putting out is less than 3 seconds from fire to adopt the vertical combustion method to record it.
Below by embodiment, technical solution of the present invention is described in further detail.
Embodiment
Embodiment 1
Step 1, the mass ratio by wilkinite, water and naphthalenesulfonate formaldehyde condensation compound by 0.5: 5: 0.5 mix, and in colloidal mill, circular grinding 2h obtains thickening material;
Step 2,15kg42.5 ordinary Portland cement, 25kg granularity are not more than to 100 purpose perlite powders and 15kg aluminium hydroxide mixes, then to the ethylene-vinyl acetate copolymer emulsion that adds 10kg solid content 56% in mixture, thickening material described in the 5kg step 1 and 30kg water, stir, obtain the cement based heat preserving and insulating material;
Step 3, the heat preserving and insulating material of cement based described in step 2 evenly is coated on to the upper and lower surface of non-woven fabrics, the coating thickness on upper and lower surface is 0.35mm, dry in 80 ℃ of baking ovens after having applied, then the methyl silanol sodium solution that is 30% to the dried upper and lower surface spraying solid content that is coated with the non-woven fabrics of cement based heat preserving and insulating material, the quantity for spray on upper and lower surface is 0.005kg/m
2, after 90 ℃ of dryings, obtain the polymer cement thermal insulating paper.
Polymer cement thermal insulating paper prepared by the present embodiment has snappiness preferably, can alternating bending and do not ftracture, and its thermal conductivity is 0.069W/mK, density is 0.43g/cm
3, only the time of putting out is 2.6 seconds from fire to adopt the vertical combustion method to record it.
Embodiment 2
The present embodiment is identical with embodiment 1, and wherein difference is: described inorganic heat insulating filler is expanded vermiculite or floats pearl, or for pearlstone, expanded vermiculite with float two or three in pearl; Described inorganic combustion inhibitor is magnesium hydroxide or aluminium hydroxide and magnesium hydroxide.
Embodiment 3
Step 1, the mass ratio by sepiolite, water and naphthalenesulfonate formaldehyde condensation compound by 0.5: 4: 0.5 mix, and in colloidal mill, circular grinding 2h obtains thickening material;
Step 2 is not more than 100 purpose expanded vermiculite powder by 25kg42.5 ordinary Portland cement, 20kg magnesium hydroxide and 30kg granularity and mixes, then to the polyacrylate dispersion that adds 15kg solid content 52% in mixture, thickening material described in the 7kg step 1 and 3kg water, stir, obtain the cement based heat preserving and insulating material;
Step 3, the heat preserving and insulating material of cement based described in step 2 evenly is coated on to the upper and lower surface of non-woven fabrics, the coating thickness on upper and lower surface is 0.45mm, dry in 90 ℃ of baking ovens after having applied, then the methyl silanol sodium solution that is 30% to the dried upper and lower surface spraying solid content that is coated with the non-woven fabrics of cement based heat preserving and insulating material, the quantity for spray on upper and lower surface is 0.05kg/m
2, after 80 ℃ of dryings, obtain the polymer cement thermal insulating paper.
Polymer cement thermal insulating paper prepared by the present embodiment has snappiness preferably, can alternating bending and do not ftracture, and its thermal conductivity is 0.036W/mK, density is 0.25kg/cm
3, only the time of putting out is 1.2 seconds from fire to adopt the vertical combustion method to record it.
Embodiment 4
The present embodiment is identical with embodiment 3, and wherein difference is: described inorganic heat insulating filler is pearlstone or floats pearl, or for pearlstone, expanded vermiculite with float two or three in pearl; Described inorganic combustion inhibitor is aluminium hydroxide or aluminium hydroxide and magnesium hydroxide.
Embodiment 5
Step 1, the mass ratio by attapulgite, water and naphthalenesulfonate formaldehyde condensation compound by 0.5: 6: 0.5 mix, and in colloidal mill, circular grinding 2h obtains thickening material;
Step 2,22kg42.5 ordinary Portland cement, 19kg aluminium hydroxide and 29kg granularity are not more than to 100 purpose floating bead powder ends mix, then to the ethylene-vinyl acetate copolymer emulsion that adds 14kg solid content 55% in mixture, thickening material described in the 6kg step 1 and 10kg water, stir, obtain the cement based heat preserving and insulating material;
Step 3, the heat preserving and insulating material of cement based described in step 2 evenly is coated on to the upper and lower surface of non-woven fabrics, the coating thickness on upper and lower surface is 0.25mm, dry in 60 ℃ of baking ovens after having applied, then the high boiling Sodium silanolate solution that is 30% to the dried upper and lower surface spraying solid content that is coated with the non-woven fabrics of cement based heat preserving and insulating material, the quantity for spray on upper and lower surface is 0.025kg/m
2, after 70 ℃ of dryings, obtain the polymer cement thermal insulating paper.
Polymer cement thermal insulating paper prepared by the present embodiment has snappiness preferably, can alternating bending and do not ftracture, and its thermal conductivity is 0.045W/mK, density is 0.36kg/cm
3, only the time of putting out is 1.8 seconds from fire to adopt the vertical combustion method to record it.
Embodiment 6
The present embodiment is identical with embodiment 5, and wherein difference is: described inorganic heat insulating filler is pearlstone or expanded vermiculite, or is pearlstone, expanded vermiculite and float two or three in pearl; Described inorganic combustion inhibitor is magnesium hydroxide or aluminium hydroxide and magnesium hydroxide.
Embodiment 7
Step 1, the mass ratio by kaolin, water and naphthalenesulfonate formaldehyde condensation compound by 0.5: 4: 0.5 mix, and in colloidal mill, circular grinding 2h obtains thickening material;
Step 2,23kg42.5 ordinary Portland cement, 10kg aluminium hydroxide, 10kg magnesium hydroxide and 25kg granularity are not more than to 100 purpose perlite powders mix, then to the aqueous polyvinyl acetate emulsion that adds 10kg solid content 32% in mixture, thickening material described in the 5kg step 1 and 17kg water, stir, obtain the cement based heat preserving and insulating material;
Step 3, the heat preserving and insulating material of cement based described in step 2 evenly is coated on to the upper and lower surface of non-woven fabrics, the coating thickness on upper and lower surface is 0.4mm, dry in 70 ℃ of baking ovens after having applied, then the methyl silanol sodium solution that is 30% to the dried upper and lower surface spraying solid content that is coated with the non-woven fabrics of cement based heat preserving and insulating material, the quantity for spray on upper and lower surface is 0.04kg/m
2, after 70 ℃ of dryings, obtain the polymer cement thermal insulating paper.
Polymer cement thermal insulating paper prepared by the present embodiment has snappiness preferably, can alternating bending and do not ftracture, and its thermal conductivity is 0.074W/mK, density is 0.45kg/cm
3, only the time of putting out is 1.5 seconds from fire to adopt the vertical combustion method to record it.
Embodiment 8
The present embodiment is identical with embodiment 7, and wherein difference is: described inorganic heat insulating filler is expanded vermiculite or floats pearl, or for pearlstone, expanded vermiculite with float two or three in pearl; Described inorganic combustion inhibitor is magnesium hydroxide or aluminium hydroxide.
Embodiment 9
Step 1, the mass ratio by wilkinite, water and naphthalenesulfonate formaldehyde condensation compound by 0.5: 5: 0.5 mix, and in colloidal mill, circular grinding 2h obtains thickening material;
The silicate cement that step 2 is No. 42.5 by the 20kg strength grade, 17.5kg magnesium hydroxide, 17.5kg granularity are not more than 100 purpose perlite powders and 10kg granularity and are not more than 100 purpose expanded vermiculite powder and mix, then to the aqueous polyvinyl acetate emulsion that adds 12.5kg solid content 30% in mixture, thickening material described in the 6kg step 1 and 16.5kg water, stir, obtain the cement based heat preserving and insulating material;
Step 3, the heat preserving and insulating material of cement based described in step 2 evenly is coated on to the upper and lower surface of non-woven fabrics, the coating thickness on upper and lower surface is 0.3mm, dry in 80 ℃ of baking ovens after having applied, then the methyl silanol sodium solution that is 30% to the dried upper and lower surface spraying solid content that is coated with the non-woven fabrics of cement based heat preserving and insulating material, the quantity for spray on upper and lower surface is 0.05kg/m
2, after 60 ℃ of dryings, obtain the polymer cement thermal insulating paper.
Polymer cement thermal insulating paper prepared by the present embodiment has snappiness preferably, can alternating bending and do not ftracture, and its thermal conductivity is 0.058W/mK, density is 0.41kg/cm
3, only the time of putting out is 2.3 seconds from fire to adopt the vertical combustion method to record it.
Embodiment 10
The present embodiment is identical with embodiment 9, and wherein difference is: described inorganic heat insulating filler is pearlstone, expanded vermiculite and floats a kind of in pearl or three kinds, or for pearlstone with float pearl, or for expanded vermiculite with float pearl; Described inorganic combustion inhibitor is aluminium hydroxide or magnesium hydroxide and aluminium hydroxide.
Embodiment 11
Step 1, the mass ratio by wilkinite, water and naphthalenesulfonate formaldehyde condensation compound by 0.5: 4: 0.5 mix, and in colloidal mill, circular grinding 2h obtains thickening material;
Step 2 is not more than 100 purpose perlite powders and 10kg granularity by 18kg52.5 ordinary Portland cement, 10kg aluminium hydroxide, 6kg magnesium hydroxide, 16kg granularity and is not more than 100 purpose floating bead powder ends and mixes, then to the polyacrylate dispersion that adds 11kg solid content 50% in mixture, thickening material described in the 6kg step 1 and 23kg water, stir, obtain the cement based heat preserving and insulating material;
Step 3, the heat preserving and insulating material of cement based described in step 2 evenly is coated on to the upper and lower surface of non-woven fabrics, the coating thickness on upper and lower surface is 0.35mm, dry in 80 ℃ of baking ovens after having applied, then the high boiling Sodium silanolate solution that is 30% to the dried upper and lower surface spraying solid content that is coated with the non-woven fabrics of cement based heat preserving and insulating material, the quantity for spray on upper and lower surface is 0.005kg/m
2, after 90 ℃ of dryings, obtain the polymer cement thermal insulating paper.
Polymer cement thermal insulating paper prepared by the present embodiment has snappiness preferably, can alternating bending and do not ftracture, and its thermal conductivity is 0.064W/mK, density is 0.42kg/cm
3, only the time of putting out is 2.5 seconds from fire to adopt the vertical combustion method to record it.
Embodiment 12
The present embodiment is identical with embodiment 11, and wherein difference is: described inorganic heat insulating filler is pearlstone, expanded vermiculite and floats a kind of in pearl or three kinds, or is pearlstone and expanded vermiculite, or for expanded vermiculite with float pearl; Described inorganic combustion inhibitor is magnesium hydroxide or aluminium hydroxide.
Embodiment 13
Step 1, the mass ratio by wilkinite, water and naphthalenesulfonate formaldehyde condensation compound by 0.5: 5: 0.5 mix, and in colloidal mill, circular grinding 2h obtains thickening material;
Step 2 is not more than 100 purpose perlite powders, 10kg granularity by 24kg42.5 ordinary Portland cement, 18kg magnesium hydroxide, 8kg granularity and is not more than 100 purpose expanded vermiculite powder and 10kg granularity and is not more than 100 purpose floating bead powder ends and mixes, then to the ethylene-vinyl acetate copolymer emulsion that adds 14kg solid content 56% in mixture, thickening material described in the 6kg step 1 and 10kg water, stir, obtain the cement based heat preserving and insulating material;
Step 3, the heat preserving and insulating material of cement based described in step 2 evenly is coated on to the upper and lower surface of non-woven fabrics, the coating thickness on upper and lower surface is 0.4mm, dry in 70 ℃ of baking ovens after having applied, then the high boiling Sodium silanolate solution that is 30% to the dried upper and lower surface spraying solid content that is coated with the non-woven fabrics of cement based heat preserving and insulating material, the quantity for spray on upper and lower surface is 0.02kg/m
2, after 70 ℃ of dryings, obtain the polymer cement thermal insulating paper.
Polymer cement thermal insulating paper prepared by the present embodiment has snappiness preferably, can alternating bending and do not ftracture, and its thermal conductivity is 0.052W/mK, density is 0.39kg/cm
3, only the time of putting out is 1.9 seconds from fire to adopt the vertical combustion method to record it.
Embodiment 14
The present embodiment is identical with embodiment 13, and wherein difference is: described inorganic heat insulating filler is pearlstone, expanded vermiculite and floats one or both in pearl; Described inorganic combustion inhibitor is aluminium hydroxide or magnesium hydroxide and aluminium hydroxide.
The above; it is only preferred embodiment of the present invention; not the present invention is done to any restriction, every any simple modification of above embodiment being done according to the invention technical spirit, change and equivalent structure change, and all still belong in the protection domain of technical solution of the present invention.
Claims (10)
1. a polymer cement thermal insulating paper, is characterized in that, the non-woven fabrics that described polymer cement thermal insulating paper applies the cement based heat preserving and insulating material by upper and lower surface uniform WATER REPELLENT is after drying made.
2. a kind of polymer cement thermal insulating paper according to claim 1, it is characterized in that, described cement based heat preserving and insulating material is mixed and is made by the raw material of following weight percent: cement 15%～25%, polymer emulsion 10%～15%, thickening material 5%～7%, inorganic combustion inhibitor 15%～20%, inorganic heat insulating filler 25%～30%, water 3%～30%; Described polymer emulsion is ethylene-vinyl acetate copolymer emulsion, aqueous polyvinyl acetate emulsion or polyacrylate dispersion; Described thickening material by natural clay mineral, water and naphthalene series high-efficiency water-reducing agent by 0.5: (4～6): 0.5 quality is made than mixed grinding; Described inorganic combustion inhibitor is aluminium hydroxide and/or magnesium hydroxide; Described inorganic heat insulating filler is pearlstone, expanded vermiculite and floats one or more in pearl, and the granularity of inorganic heat insulating filler is not more than 100 orders.
3. a kind of polymer cement thermal insulating paper according to claim 2, it is characterized in that, described cement based heat preserving and insulating material is mixed and is made by the raw material of following weight percent: cement 18%～22%, polymer emulsion 11%～14%, thickening material 6%, inorganic combustion inhibitor 16%～19%, inorganic heat insulating filler 26%～29%, water 10%～23%.
4. a kind of polymer cement thermal insulating paper according to claim 2, it is characterized in that, described cement based heat preserving and insulating material is mixed and is made by the raw material of following weight percent: cement 20%, polymer emulsion 12.5%, thickening material 6%, inorganic combustion inhibitor 17.5%, inorganic heat insulating filler 27.5%, water 16.5%.
5. according to claim 2,3 or 4 described a kind of polymer cement thermal insulating papers, it is characterized in that, the solid content of described ethylene-vinyl acetate copolymer emulsion is not less than 55%, and the solid content of aqueous polyvinyl acetate emulsion is not less than 30%, and the solid content of polyacrylate dispersion is not less than 50%.
6. according to claim 2,3 or 4 described a kind of polymer cement thermal insulating papers, it is characterized in that, described natural clay mineral is wilkinite, sepiolite, attapulgite or kaolin, and described naphthalene series high-efficiency water-reducing agent is naphthalenesulfonate formaldehyde condensation compound.
7. the method prepared as polymer cement thermal insulating paper as described in arbitrary claim in claim 1 to 4, it is characterized in that, the method is: the upper and lower surface that at first the cement based heat preserving and insulating material evenly is coated on to non-woven fabrics, the coating thickness on upper and lower surface is 0.25mm～0.45mm, then the non-woven fabrics that is coated with the cement based heat preserving and insulating material is carried out to drying, carry out again WATER REPELLENT, obtain the polymer cement thermal insulating paper.
8. method according to claim 7, is characterized in that, the temperature of described drying is 60 ℃～90 ℃.
9. method according to claim 7, it is characterized in that, the method of described WATER REPELLENT is: the organic silicon water-proofing material evenly is coated on to the dried upper and lower surface that is coated with the non-woven fabrics of cement based heat preserving and insulating material, then dry under 60 ℃～90 ℃, the amount of upper and lower surface-coated organic silicon water-proofing material is 0.005kg/m
2～0.05kg/m
2; Described organic silicon water-proofing material is the high boiling Sodium silanolate solution that the solid content methyl silicon sodium alcoholate that is 30% or solid content are 30%.
10. method according to claim 7, it is characterized in that, the preparation method of described cement based heat preserving and insulating material is: cement, inorganic combustion inhibitor and inorganic heat insulating filler are mixed, then add polymer emulsion, thickening material and water in mixture, stir, obtain the cement based heat preserving and insulating material.
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| CN108265521A (en) * | 2016-02-25 | 2018-07-10 | 倪海霞 | A kind of thermal insulation coat finishing technique of decorative substrate |
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