CN101311456A - Thermal insulation and water proof integrated system of roof covering and construction method thereof - Google Patents
Thermal insulation and water proof integrated system of roof covering and construction method thereof Download PDFInfo
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- CN101311456A CN101311456A CNA2007100743803A CN200710074380A CN101311456A CN 101311456 A CN101311456 A CN 101311456A CN A2007100743803 A CNA2007100743803 A CN A2007100743803A CN 200710074380 A CN200710074380 A CN 200710074380A CN 101311456 A CN101311456 A CN 101311456A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 67
- 238000009413 insulation Methods 0.000 title claims description 52
- 238000010276 construction Methods 0.000 title abstract description 7
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 47
- 239000000843 powder Substances 0.000 claims abstract description 33
- 239000011414 polymer cement Substances 0.000 claims abstract description 27
- 239000004568 cement Substances 0.000 claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 19
- 239000011083 cement mortar Substances 0.000 claims abstract description 12
- 239000004744 fabric Substances 0.000 claims abstract description 8
- 239000003365 glass fiber Substances 0.000 claims abstract description 8
- 238000004140 cleaning Methods 0.000 claims abstract description 3
- 238000004078 waterproofing Methods 0.000 claims description 36
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 34
- 239000000839 emulsion Substances 0.000 claims description 29
- 239000013530 defoamer Substances 0.000 claims description 27
- 229920000642 polymer Polymers 0.000 claims description 25
- 239000003638 chemical reducing agent Substances 0.000 claims description 24
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 21
- 239000011433 polymer cement mortar Substances 0.000 claims description 17
- 239000000835 fiber Substances 0.000 claims description 15
- 239000000945 filler Substances 0.000 claims description 14
- 239000006254 rheological additive Substances 0.000 claims description 14
- 239000004793 Polystyrene Substances 0.000 claims description 12
- 229920002223 polystyrene Polymers 0.000 claims description 12
- 239000003973 paint Substances 0.000 claims description 11
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 10
- 239000002585 base Substances 0.000 claims description 10
- 239000003292 glue Substances 0.000 claims description 9
- 239000004816 latex Substances 0.000 claims description 9
- 229920000126 latex Polymers 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 9
- 229920006389 polyphenyl polymer Polymers 0.000 claims description 9
- 125000004185 ester group Chemical group 0.000 claims description 8
- UFWIBTONFRDIAS-UHFFFAOYSA-N naphthalene-acid Natural products C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 claims description 8
- 125000005504 styryl group Chemical group 0.000 claims description 8
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 8
- 229920002554 vinyl polymer Polymers 0.000 claims description 8
- 239000006004 Quartz sand Substances 0.000 claims description 7
- 239000003513 alkali Substances 0.000 claims description 7
- 229920003086 cellulose ether Polymers 0.000 claims description 7
- 239000002480 mineral oil Substances 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims description 7
- 229920005646 polycarboxylate Polymers 0.000 claims description 7
- 229920000570 polyether Polymers 0.000 claims description 7
- 229920001296 polysiloxane Polymers 0.000 claims description 7
- 239000004593 Epoxy Substances 0.000 claims description 6
- 239000004743 Polypropylene Substances 0.000 claims description 6
- 125000001624 naphthyl group Chemical group 0.000 claims description 6
- -1 polypropylene Polymers 0.000 claims description 6
- 229920001155 polypropylene Polymers 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 5
- 230000037452 priming Effects 0.000 claims description 5
- 150000003254 radicals Chemical class 0.000 claims description 5
- XSQUKJJJFZCRTK-UHFFFAOYSA-N urea group Chemical group NC(=O)N XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 4
- 239000011440 grout Substances 0.000 claims description 4
- 229920002239 polyacrylonitrile Polymers 0.000 claims description 3
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 claims 3
- 239000010410 layer Substances 0.000 abstract description 53
- 239000008187 granular material Substances 0.000 abstract description 7
- 239000004576 sand Substances 0.000 abstract description 5
- 229920001971 elastomer Polymers 0.000 abstract description 4
- 239000000758 substrate Substances 0.000 abstract description 4
- 238000004321 preservation Methods 0.000 abstract description 3
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 abstract 2
- 239000011241 protective layer Substances 0.000 abstract 2
- 238000007790 scraping Methods 0.000 abstract 1
- 239000010453 quartz Substances 0.000 description 10
- 229920001479 Hydroxyethyl methyl cellulose Polymers 0.000 description 9
- 239000002253 acid Substances 0.000 description 8
- 230000001070 adhesive effect Effects 0.000 description 7
- 229920001577 copolymer Polymers 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 7
- YARNEMCKJLFQHG-UHFFFAOYSA-N prop-1-ene;styrene Chemical compound CC=C.C=CC1=CC=CC=C1 YARNEMCKJLFQHG-UHFFFAOYSA-N 0.000 description 7
- 239000000853 adhesive Substances 0.000 description 6
- 239000011229 interlayer Substances 0.000 description 5
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- HDERJYVLTPVNRI-UHFFFAOYSA-N ethene;ethenyl acetate Chemical group C=C.CC(=O)OC=C HDERJYVLTPVNRI-UHFFFAOYSA-N 0.000 description 3
- 238000010792 warming Methods 0.000 description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- 239000011398 Portland cement Substances 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 239000012752 auxiliary agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000010451 perlite Substances 0.000 description 2
- 235000019362 perlite Nutrition 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- ACOGMWBDRJJKNB-UHFFFAOYSA-N acetic acid;ethene Chemical group C=C.CC(O)=O ACOGMWBDRJJKNB-UHFFFAOYSA-N 0.000 description 1
- 229920006243 acrylic copolymer Polymers 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920001038 ethylene copolymer Polymers 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000011268 mixed slurry Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
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- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention provides an integral system integrated with roof heat preservation and water resistance and a construction method thereof. The construction method is as follows: cleaning the substrate, and having slope-making or leveling treatment for needed roof; preparing polymer cement waterproof mortar scraped on the roof substrate as a first waterproof layer with the thickness of 2 to 5 mm; preparing rubber powder poly-phenyl granule cement mortar scraped on the first waterproof layer as an insulating layer with the thickness of 20 to 50 mm; preparing polymer cement waterproof mortar scraped on the insulating layer as a second waterproof layer with the thickness of 2 to 5 mm; preparing polymer cement anti-crack mortar scraped on the second waterproof layer, paving alkali-proof glass fiber gridding cloth, and then scraping the polymer cement anti-crack mortar once as a protective layer, and the thickness of each polymer cement anti-crack mortar is 1 to 2 mm. The roof substrate, the polymer cement waterproof mortar and the polymer cement anti-crack mortar are taken as cement base materials, and materials of cement, sand, and the like are also contained in rubber powder poly-phenyl granule insulating mortar, so the base material, the waterproof layer, the insulating layer and the protective layer have fine matching and bonding performances and perfect system stability.
Description
Technical field
The present invention relates to roof structure and job practices thereof, relate in particular to a kind of thermal insulation and water proof integrated system of roof covering and job practices thereof.
Background technology
Building energy conservation progressively obtains paying attention to because of the growing tension of the energy, the deck insulation is a wherein important ring, because deck insulation can stop in the building especially in the top layer room temperature excessive with variation of ambient temperature, thereby the work that does not need to rely on to heavens indoor refrigerating and heating systems to be keeping the temperature of indoor suitable people's life, thereby reaches purpose of energy saving.For each structure position in house, the heat preservation energy-saving measure has all obtained promotion and application preferably.The modal way of roof heat insulation is generally: leveling layer+waterproofing course+insulation layer+topping+decorative layer.In the present roof heat insulation system, waterproofing course is used flexible water (as waterproof roll)+rigid waterproofing (as polymer cement waterproof paint) always and is used, and insulation layer is used extruded sheet always.Between roof substrate and flexible water, two waterproofing courses, all need to paste between rigid waterproofing and the warming plate by bonding adhesive, because the difference of coefficient of thermal expansion between the material, the variation of ambient temperature easily causes interlayer to separate, the stability of a system can't ensure, and after water enters interlayer, reduce the heat-insulating property of system greatly.And coiled material needs paving and splicing, and joint and negative and positive angle are handled bad, seepage very easily occurs.In more traditional way, use expanded perlite as insulation layer, but the coefficient of thermal conductivity of material itself is higher, heat-insulating property is slightly poor, and the perlite water absorption rate is big in addition, the heat-insulating properties forfeiture of a large amount of suctions back.
In the existing roof heat insulation waterproof construction, more or less there is the problem of interlayer materials matching, thereby causes the reduction of waterproof, heat-insulating property.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, provide a kind of interlayer matching and caking property good, integrated integrated system of stable thermal-insulating waterproof and job practices thereof.
Another object of the present invention provides the integrated integrated system of the thermal-insulating waterproof with decorative layer.
The technical scheme that realizes the object of the invention is:
A kind of thermal insulation and water proof integrated system of roof covering is characterized in that: comprise first waterproofing course, insulation layer, second waterproofing course and the topping that are set in turn in from down to up on the roof-base; Described first and second waterproofing course is polymer cement waterproof mortar plastering layer; Described insulation layer is a glue powder polyphenyl particle cement mortar floated coat; Described topping is the anti-crack polymer cement mortar floated coat of interior shop alkali-resistant glass fibre grid cloth.
In a kind of optimized technical scheme, also further comprise the decorative layer that is arranged on the topping.
In a kind of preferred technical scheme, the structure of described decorative layer is followed successively by priming paint, putty, moulding layer and finish paint from down to up.
In a kind of optimized technical scheme, described polymer cement waterproof mortar is prepared by the material of following mass parts:
4～8 parts of cement;
2～4 parts of fillers;
2～6 parts of polymer emulsions;
0～3 part in water;
0～0.1 part of water reducing agent;
0～0.1 part of defoamer;
0～0.1 part of rheology modifier.
In a kind of preferred technical scheme, described filler is a quartz sand; Described polymer emulsion is the emulsion that contains the polymer of acrylic, vinyl, styryl, epoxy radicals, methylene, ester group, ether, urethano, urea groups; Described water reducing agent is naphthalene system or polycarboxylate based water reducer; Described defoamer is mineral oils or silicone based or polyethers defoamer; Described rheology modifier is a cellulose ethers.
In a kind of optimized technical scheme, described glue powder polyphenyl particle cement mortar is prepared by granular polystyrene and the following material of every 100L:
5～7.5 kilograms of cement;
4.5～6.5 kilograms of fillers;
0.3～0.5 kilogram of redispersable latex powder;
10～20 kilograms in water;
0～0.10 kilogram of water reducing agent;
0～0.10 kilogram of defoamer;
0～0.15 kilogram of rheology modifier;
0～0.05 kilogram of fortifying fibre.
In a kind of preferred technical scheme, described filler is a quartz sand; Described redispersable latex powder is the polymer emulsion powder that contains acrylic, vinyl, styryl, methylene, ester group, ether; Described water reducing agent is naphthalene system or polycarboxylate based water reducer; Described defoamer is mineral oils or silicone based or polyethers defoamer; Described rheology modifier is a cellulose ethers; Described fortifying fibre is polypropylene fibre or the polyacrylonitrile fibre of length more than or equal to 4mm.
In a kind of optimized technical scheme, described anti-crack polymer cement mortar is prepared by the material of following mass parts:
6～10 parts of cement;
9～15 parts of fillers;
2～4 parts of polymer emulsions;
4～8 parts in water;
0～0.1 part of water reducing agent;
0～0.1 part of defoamer;
0～0.1 part of rheology modifier.
In a kind of preferred technical scheme, described filler is quartz sand or dry powder or its mixture; Described polymer emulsion is the emulsion that contains the polymer of acrylic, vinyl, styryl, epoxy radicals, methylene, ester group, ether, urethano, urea groups; Described water reducing agent is naphthalene system or polycarboxylate based water reducer; Described defoamer is mineral oils or silicone based or polyethers defoamer; Described rheology modifier is a cellulose ethers.
The present invention also provides a kind of job practices of thermal insulation and water proof integrated system of roof covering, and its work progress comprises:
(1) roof-base cleaning, and to there being the roofing that needs to look for slope or levelling to handle;
(2) the prepared polymer cement waterproofing mortar is criticized to scrape and make first waterproofing course on roof-base, and thickness is 2～5mm;
(3) preparation glue powder polyphenyl particle cement mortar is criticized to scrape on first waterproofing course and is made insulation layer, and thickness is 20～50mm;
(4) the prepared polymer cement waterproofing mortar is criticized to scrape and make second waterproofing course on insulation layer, and thickness is 2～5mm;
(5) prepared polymer cement anticracking grout is criticized and is scraped on second waterproofing course, lays the alkali-resistant glass fibre grid cloth, criticizes to scrape an anti-crack polymer cement mortar and make topping again, and every strata compound cement anticracking grout thickness is 1～2mm.
Beneficial effect of the present invention: roof-base, polymer cement waterproof mortar, anti-crack polymer cement mortar all are cement-based material, contain materials such as cement, sand in the adhesive polystyrene granule heat-insulating mortar equally, therefore, matching and adhesive property between base material, waterproofing course, insulation layer and the topping are good, the excellent in stability of system interlayer can not occur and separate and cause entering of water; Insulation layer increases one deck waterproofing course outward, has further avoided reducing because of the heat-insulating property that the insulation layer infiltration causes; Alkali-resistant glass fibre grid cloth that topping is compound has strengthened the crack resistance of system significantly, and the protection surface layer is not subjected to basic unit's distortion and ftractures; Decorate the system that requires for having, can directly on topping, construct, utilize special tool to make various effects, reduced operations such as tiling, patch block, improved work efficiency.
Description of drawings
Fig. 1 is the organigram of thermal insulation and water proof integrated system of roof covering according to the preferred embodiment of the invention.
The specific embodiment
Insulation layer, first and second waterproofing course and topping all are made with polymer cement mortar among the present invention.
Cement can adopt Portland cement or portland cement.
First and second waterproofing course and topping mortar are with polymer emulsion modified; polymer emulsion can adopt the emulsion of the polymer of various groups such as containing acrylic, vinyl, styryl, epoxy radicals, methylene, ester group, ether, urethano, urea groups, and these polymer comprise poly-(methyl) acrylic acid, polyurethane, epoxy, polyester, EVA etc. and polymer-modified accordingly.
The used mortar of insulation layer uses granular polystyrene and redispersable latex powder as polymer modification, redispersable latex powder can adopt the polymer emulsion powder of various groups such as containing acrylic, vinyl, styryl, methylene, ester group, ether, and these polymer comprise vinyl acetate homopolymers, acetate ethylene copolymer and acrylic copolymer etc.
All be added with filler in the used polymer cement mortar of each layer, filler can adopt 100～250 order quartz sands, and the dry powder that thickness is suitable, grey coal dust and river sand etc. also can.
In each strata compound cement mortar, also can add auxiliary agent, as in water reducing agent, defoamer, the rheology modifier one or more.Water reducing agent can adopt naphthalene system or polycarboxylate based water reducer; Defoamer can adopt mineral oils or silicone based or polyethers defoamer; Rheology modifier is a cellulose ethers.In addition, also can add fortifying fibre such as polypropylene fibre or polyacrylonitrile fibre etc. in the insulation layer mortar, its fibre length is not less than 4mm.
If any decorating requirement, can on topping, make decorative layer.The structure of decorative layer is followed successively by priming paint, putty, moulding layer and finish paint.Decorative layer is applicable to non-accessible roof.The elongation at break of priming paint is not less than 100%.The adhesion strength of putty is not less than 0.6MPa, and the pliability index is: diameter 50mm, flawless.The moulding layer is a conventional cement mortar.Finish paint is for being primary raw material with all kinds of polymer emulsions, adds other additives and the single-component waterproof coating material that makes, and its performance meets the requirement of " JC/T 864-2000 polymer emulsion building water-proof paint ".
Below with embodiment the present invention is described, but embodiment does not constitute any restriction of the present invention.
The used polymer cement waterproof mortar of first and second waterproofing course, formulated by following each component in the double centner mortar: admittedly contain is 25 kilograms of 50% styrene-propene acid copolymer emulsions, 46 kilograms of 425# cement, 20 kilograms of 200 quartz sands, defoamer (adopts for 0.15 kilogram
1922, available from peaceful Cognis company of section), methyl hydroxyethylcellulose ether (adopts for 0.15 kilogram
MKX 40000PF is available from WolffCellullosics), and 8.7 kilograms in water.
Styrene-propene acid copolymer emulsion preparation process is: add proper amount of deionized water and emulsifier in reactor, stir and be warming up to about 80 ℃, add 1/3 styrene, butyl acrylate and acrylic acid mixture, react about 30min, drip initator and remaining mix monomer, temperature is maintained at about 83 ℃, dropwises about 2h, be warming up to about 88 ℃, insulation 1h stirs and naturally cools to room temperature, discharging, filter with 80 order sub-sieves, transfer about pH to 7 with ammoniacal liquor.
The used glue powder polyphenyl particle cement mortar of insulation layer, the granular polystyrene of every 100L and following each component are formulated: 6.25 kilograms of 425# cement, 5.625 kilograms of 200 quartz sands, methyl hydroxyethylcellulose ether (adopts for 0.125 kilogram
MKX 40000PF is available from Wolff Cellullosics), water reducing agent (adopts for 0.1 kilogram
F10 is available from Degussa company), the vinyl acetate-ethylene redispersable latex powder (adopts for 0.375 kilogram
FX2350 is available from Elotex), 0.025 kilogram of polypropylene fibre (available from sending Neil engineering material Co., Ltd), and 15 kilograms in water.
The used anti-crack polymer cement mortar of topping; formulated by following each component in the double centner mortar: admittedly contain is 8.70 kilograms of 50% styrene-propene acid copolymer emulsions; 27.74 kilograms of 425# cement; 20.80 kilograms of 100 order quartz sands; 20.80 kilograms of 325 order dry powders, methyl hydroxyethylcellulose ether (adopts for 0.22 kilogram
MKX 40000PF is available from Wolff Cellullosics), and 21.74 kilograms in water.
With reference to figure 1; a kind of thermal insulation and water proof integrated system of roof covering comprises first waterproofing course 10, insulation layer 9, second waterproofing course 8, topping 7, alkali-resistant glass fibre grid cloth 6, topping 5, elasticity prime coat 4, flexible waterproof putty layer 3, moulding layer 2 and the top coat layer 1 that are set in turn in from down to up on the roof-base 11.
Work progress:
(1) first waterproofing course
Polymer emulsion is mixed with water, add powder component (mixture of the cement that is pre-mixed, quartz sand and auxiliary agent) in the whipping process gradually, the back that stirs is criticized to scrape in process and is looked on the roof-base of slope and/or levelling, and the thickness of mortar is 3mm.The impervious pressure of the 7d of polymer cement waterproof mortar is 1.32MPa, and the impervious pressure of 28d is 1.97MPa.
(2) insulation layer
Granular polystyrene is mixed with water, slowly add the rubber powder material in the whipping process, till evenly.Mixed slurry criticized scrape on waterproofing course, every is 15～20mm all over thickness, and last is about 10mm all over thickness.Every all over construction back maintenance 24h, treat the dry and hard back compacting of slurry, continue next time of construction again.To the heat preservation slurry of constructing watering maintenance 2 times,, feel hard closely knit to the thermal insulation mortar hand so that the cement solidification in the rubber powder material continues maintenance 5 days.The thickness of adhesive powder-polystyrene granule thermal insulation mortar is 30mm.
The coefficient of thermal conductivity of adhesive powder-polystyrene granule thermal insulation mortar is 0.0492W/ (mK), and compressive strength is 0.34MPa.
After the insulation layer construction finishes, criticize and scrape the above-mentioned polymer cement waterproof mortar of one deck, thickness is 1mm.
(3) second waterproofing courses
The polymer cement waterproof mortar criticized scrape on insulation layer, the thickness of mortar is 3mm.
(4) topping
Polymer emulsion is mixed with water, add the powder component in the whipping process gradually, the back that stirs is criticized and is scraped on last waterproofing course.After the first floor anti-crack polymer cement mortar is criticized and scraped, with the alkali-resistant glass fibre grid cloth mortar surface of tiling, be pressed in the mortar with batch cutter, lap width is 60mm.After treating that the first floor mortar is preliminary dry and hard, brushing second layer anti-crack polymer cement mortar, maintenance 2 days.The thickness of every layer of mortar all is 1.5mm.
The tensile bond strength of anti-crack polymer cement mortar is 0.92MPa, and the backfin ratio is 2.2.
(5) decorative layer
Brush the elastomeric propylene acid primer on topping, thickness is 0.05mm, maintenance 4h.The elongation at break of priming paint is 127%.
Criticize Puttying, thickness is 1mm, maintenance 24h.The adhesion strength of putty is 0.81MPa, and the pliability index is qualified.
Cement and thin river sand are mixed, add entry and stir, criticize and scrape on putty cement: thin river sand: water=1: 3: 0.5 (mass ratio).The thickness of effect layer is 10mm, makes effect with the undaform instrument on the mortar surface, and maintenance is 3 days again.
Polished in the moulding surface, make the water-based silicon-acrylic coatings to be sprayed at surfacing, zero defect on the moulding layer to make top coat layer afterwards.
The used polymer cement waterproof mortar of first and second waterproofing course, formulated by following each component in the double centner mortar: admittedly contain is 17.90 kilograms of 50% styrene-propene acid copolymer emulsions, 35.70 kilograms of 425# cement, 17.85 kilograms of 200 quartz sands, defoamer (adopts for 0.76 kilogram
1922, available from peaceful Cognis company of section), methyl hydroxyethylcellulose ether (adopts for 1.0 kilograms
MKX 40000PF is available from Wolff Cellullosics), and 26.79 kilograms in water.
The used glue powder polyphenyl particle cement mortar of insulation layer, formulated by granular polystyrene and following each component of every 100L: 5.00 kilograms of 425# cement, 4.50 kilograms of 200 quartz sands, the vinyl acetate-ethylene redispersable latex powder (adopts for 0.50 kilogram
FX2350 is available from Elotex), water reducing agent (adopts for 0.1 kilogram
F10 is available from Degussa company), defoamer (adopts for 0.05 kilogram
1922, available from peaceful Cognis company of section), methyl hydroxyethylcellulose ether (adopts for 0.15 kilogram
MKX 40000PF is available from Wolff Cellullosics), 0.05 kilogram of polypropylene fibre (available from sending Neil engineering material Co., Ltd), and 10 kilograms in water.
The used anti-crack polymer cement mortar of topping; formulated by following each component in the double centner mortar: admittedly contain is 8.00 kilograms of 50% styrene-propene acid copolymer emulsions; 24.00 kilograms of 425# cement; 16.00 kilograms of 100 order quartz sands; 20.00 kilograms of 325 order dry powders, defoamer (adopts for 0.40 kilogram
1922, available from peaceful Cognis company of section) 0.40 kilogram of (employing of methyl hydroxyethylcellulose ether
MKX40000PF is available from Wolff Cellullosics), and 31.20 kilograms in water.
Decorative layer is identical with embodiment's 1.
Work progress is identical with embodiment's 1.The impervious pressure of the 7d of polymer cement waterproof mortar is 1.30MPa, and the impervious pressure of 28d is 1.96MPa.The coefficient of thermal conductivity of adhesive powder-polystyrene granule thermal insulation mortar is 0.0499W/ (mK), and compressive strength is 0.33MPa.The tensile bond strength of anti-crack polymer cement mortar is 0.91MPa, and the backfin ratio is 2.1.
The used polymer cement waterproof mortar of first and second waterproofing course, formulated by following each component in the double centner mortar: admittedly contain is 33.00 kilograms of 50% styrene-propene acid copolymer emulsions, 44.00 kilograms of 425# cement, 22.00 kilograms of 200 quartz sands, water reducing agent (adopts for 0.4 kilogram
F10 is available from Degussa company), methyl hydroxyethylcellulose ether (adopts for 0.6 kilogram
MKX 40000PF is available from WolffCellullosics).
The used glue powder polyphenyl particle cement mortar of insulation layer, formulated by granular polystyrene and following each component of every 100L: 7.50 kilograms of 425# cement, 6.50 kilograms of 200 quartz sands, the vinyl acetate-ethylene redispersable latex powder (adopts for 0.50 kilogram
FX2350 is available from Elotex), defoamer (adopts for 0.10 kilogram
1922, available from peaceful Cognis company of section), methyl hydroxyethylcellulose ether (adopts for 0.15 kilogram
MKX 40000PF is available from Wolff Cellullosics), 0.05 kilogram of polypropylene fibre (available from sending Neil engineering material Co., Ltd), and 20 kilograms in water.
The used anti-crack polymer cement mortar of topping; formulated by following each component in the double centner mortar: admittedly contain is 10.00 kilograms of 50% styrene-propene acid copolymer emulsions; 27.00 kilograms of 425# cement; 16.00 kilograms of 100 order quartz sands; 24.00 kilograms of 325 order dry powders, defoamer (adopts for 0.40 kilogram
1922, available from peaceful Cognis company of section) 0.60 kilogram of (employing of methyl hydroxyethylcellulose ether
MKX40000PF is available from Wolff Cellullosics), and 22.00 kilograms in water.
Decorative layer is identical with embodiment's 1.
Work progress is identical with embodiment's 1.The impervious pressure of the 7d of polymer cement waterproof mortar is 1.29MPa, and the impervious pressure of 28d is 1.95MPa.The coefficient of thermal conductivity of adhesive powder-polystyrene granule thermal insulation mortar is 0.0497W/ (mK), and compressive strength is 0.33MPa.The tensile bond strength of anti-crack polymer cement mortar is 0.91MPa, and the backfin ratio is 2.1.
More than with embodiment the present invention is described in detail, but fact Example does not constitute any limitation of the invention.It will be clear to one skilled in the art that not breaking away from any modification or the change of claim of the present invention, all belong to protection scope of the present invention.
Claims (10)
1. a thermal insulation and water proof integrated system of roof covering is characterized in that: comprise first waterproofing course, insulation layer, second waterproofing course and the topping that are set in turn in from down to up on the roof-base; Described first and second waterproofing course is polymer cement waterproof mortar plastering layer; Described insulation layer is a glue powder polyphenyl particle cement mortar floated coat; Described topping is the anti-crack polymer cement mortar floated coat of interior shop alkali-resistant glass fibre grid cloth.
2. thermal insulation and water proof integrated system of roof covering according to claim 1 is characterized in that: also further comprise the decorative layer that is arranged on the topping.
3. thermal insulation and water proof integrated system of roof covering according to claim 2 is characterized in that: the structure of described decorative layer is followed successively by priming paint, putty, moulding layer and finish paint from down to up.
4. according to claim 1 or 2 or 3 described thermal insulation and water proof integrated system of roof covering, its feature exists
Prepare by the material of following mass parts in described polymer cement waterproof mortar:
4～8 parts of cement;
2～4 parts of fillers;
2～6 parts of polymer emulsions;
0～3 part in water;
0～0.1 part of water reducing agent;
0～0.1 part of defoamer;
0～0.1 part of rheology modifier.
5. thermal insulation and water proof integrated system of roof covering according to claim 4 is characterized in that: described filler is a quartz sand; Described polymer emulsion is the emulsion that contains the polymer of acrylic, vinyl, styryl, epoxy radicals, methylene, ester group, ether, urethano, urea groups; Described water reducing agent is naphthalene system or polycarboxylate based water reducer; Described defoamer is mineral oils or silicone based or polyethers defoamer; Described rheology modifier is a cellulose ethers.
6. according to claim 1 or 2 or 3 described thermal insulation and water proof integrated system of roof covering, it is characterized in that described glue powder polyphenyl particle cement mortar is by the granular polystyrene of every 100L and following material preparation:
5～7.5 kilograms of cement;
4.5～6.5 kilograms of fillers;
0.3～0.5 kilogram of redispersable latex powder;
10～20 kilograms in water;
0～0.10 kilogram of water reducing agent;
0～0.10 kilogram of defoamer;
0～0.15 kilogram of rheology modifier;
0～0.05 kilogram of fortifying fibre.
7. thermal insulation and water proof integrated system of roof covering according to claim 6 is characterized in that: described filler is a quartz sand; Described redispersable latex powder is the polymer emulsion powder that contains acrylic, vinyl, styryl, methylene, ester group, ether; Described water reducing agent is naphthalene system or polycarboxylate based water reducer; Described defoamer is mineral oils or silicone based or polyethers defoamer; Described rheology modifier is a cellulose ethers; Described fortifying fibre is polypropylene fibre or the polyacrylonitrile fibre of length more than or equal to 4mm.
8. according to claim 1 or 2 or 3 described thermal insulation and water proof integrated system of roof covering, it is characterized in that of the material preparation of described anti-crack polymer cement mortar by following mass parts:
6～10 parts of cement;
9～15 parts of fillers;
2～4 parts of polymer emulsions;
4～8 parts in water;
0～0.1 part of water reducing agent;
0～0.1 part of defoamer;
0～0.1 part of rheology modifier.
9. thermal insulation and water proof integrated system of roof covering according to claim 8 is characterized in that: described filler is quartz sand or dry powder or its mixture; Described polymer emulsion is the emulsion that contains the polymer of acrylic, vinyl, styryl, epoxy radicals, methylene, ester group, ether, urethano, urea groups; Described water reducing agent is naphthalene system or polycarboxylate based water reducer; Described defoamer is mineral oils or silicone based or polyethers defoamer; Described rheology modifier is a cellulose ethers.
10. the job practices of thermal insulation and water proof integrated system of roof covering according to claim 1 is characterized in that comprising the steps:
(1) roof-base cleaning, and to there being the roofing that needs to look for slope or levelling to handle;
(2) the prepared polymer cement waterproofing mortar is criticized to scrape and make first waterproofing course on roof-base, and thickness is 2～5mm;
(3) preparation glue powder polyphenyl particle cement mortar is criticized to scrape on first waterproofing course and is made insulation layer, and thickness is 20～50mm;
(4) the prepared polymer cement waterproofing mortar is criticized to scrape and make second waterproofing course on insulation layer, and thickness is 2～5mm;
(5) prepared polymer cement anticracking grout is criticized and is scraped on second waterproofing course, lays the alkali-resistant glass fibre grid cloth, criticizes to scrape an anti-crack polymer cement mortar and make topping again, and every strata compound cement anticracking grout thickness is 1～2mm.
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