CN113550509B - Construction method of anti-cracking protective layer of roof structure - Google Patents
Construction method of anti-cracking protective layer of roof structure Download PDFInfo
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- CN113550509B CN113550509B CN202110809768.3A CN202110809768A CN113550509B CN 113550509 B CN113550509 B CN 113550509B CN 202110809768 A CN202110809768 A CN 202110809768A CN 113550509 B CN113550509 B CN 113550509B
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- 238000010276 construction Methods 0.000 title claims abstract description 50
- 239000011241 protective layer Substances 0.000 title claims abstract description 35
- 238000005336 cracking Methods 0.000 title claims abstract description 30
- 239000010410 layer Substances 0.000 claims abstract description 42
- 238000009413 insulation Methods 0.000 claims abstract description 30
- -1 polychlorotrifluoroethylene Polymers 0.000 claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000011083 cement mortar Substances 0.000 claims abstract description 17
- 239000002344 surface layer Substances 0.000 claims abstract description 13
- 239000004697 Polyetherimide Substances 0.000 claims abstract description 12
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 12
- 229920002493 poly(chlorotrifluoroethylene) Polymers 0.000 claims abstract description 12
- 239000005023 polychlorotrifluoroethylene (PCTFE) polymer Substances 0.000 claims abstract description 12
- 229920001601 polyetherimide Polymers 0.000 claims abstract description 12
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 12
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 9
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 8
- 238000005507 spraying Methods 0.000 claims abstract description 6
- 239000003595 mist Substances 0.000 claims abstract description 4
- 239000004743 Polypropylene Substances 0.000 claims description 17
- 229920001155 polypropylene Polymers 0.000 claims description 17
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 11
- 239000004831 Hot glue Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 239000011324 bead Substances 0.000 claims description 2
- 230000003487 anti-permeability effect Effects 0.000 abstract description 4
- 238000002360 preparation method Methods 0.000 description 39
- 230000000052 comparative effect Effects 0.000 description 19
- 230000000694 effects Effects 0.000 description 14
- 238000003756 stirring Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 238000002844 melting Methods 0.000 description 6
- 230000008018 melting Effects 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 239000010881 fly ash Substances 0.000 description 4
- 239000004576 sand Substances 0.000 description 4
- 238000010998 test method Methods 0.000 description 4
- 239000004568 cement Substances 0.000 description 3
- 239000012943 hotmelt Substances 0.000 description 3
- 239000002985 plastic film Substances 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000010096 film blowing Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000004901 spalling Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000011398 Portland cement Substances 0.000 description 1
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000002790 naphthalenes Chemical class 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
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- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000004540 pour-on Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 235000013547 stew Nutrition 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/16—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D11/00—Roof covering, as far as not restricted to features covered by only one of groups E04D1/00 - E04D9/00; Roof covering in ways not provided for by groups E04D1/00 - E04D9/00, e.g. built-up roofs, elevated load-supporting roof coverings
- E04D11/02—Build-up roofs, i.e. consisting of two or more layers bonded together in situ, at least one of the layers being of watertight composition
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D5/00—Roof covering by making use of flexible material, e.g. supplied in roll form
- E04D5/06—Roof covering by making use of flexible material, e.g. supplied in roll form by making use of plastics
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D5/00—Roof covering by making use of flexible material, e.g. supplied in roll form
- E04D5/14—Fastening means therefor
- E04D5/148—Fastening means therefor fastening by gluing
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/12—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2429/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Derivatives of such polymer
- C08J2429/02—Homopolymers or copolymers of unsaturated alcohols
- C08J2429/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2479/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen, or carbon only, not provided for in groups C08J2461/00 - C08J2477/00
- C08J2479/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C08J2479/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0812—Aluminium
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B80/00—Architectural or constructional elements improving the thermal performance of buildings
- Y02B80/32—Roof garden systems
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Building Environments (AREA)
Abstract
The invention belongs to the field of roof construction, and particularly discloses a construction method of an anti-cracking protective layer of a roof structure, which comprises the following steps: step 1), pouring cement mortar on a roof structure layer to form a leveling layer, and standing for 1-2 h; step 2), spraying water mist on the leveling layer to wet the surface of the leveling layer; step 3), laying a waterproof heat-insulating film on the surface of the wet leveling layer, and standing and maintaining for 7 days or more; step 4), pouring cement mortar on the waterproof heat-insulating film and maintaining to form a surface layer; the leveling layer, the waterproof heat-insulating film and the surface layer form an anti-cracking protective layer; the waterproof heat-insulation film comprises the following components in parts by mass: 100 parts of polychlorotrifluoroethylene; 30-35 parts of polyvinyl alcohol; 15-20 parts of polyetherimide; 0.05-0.1 part of antioxidant. The invention has the advantage of maintaining the anti-permeability effect of the roof more durably.
Description
Technical Field
The invention relates to the field of roof construction, in particular to a construction method of an anti-cracking protective layer of a roof structure.
Background
The roofing is the outermost layer structure of building, plays the important role of protection building inner structure, because the building is made by concrete structure more, and concrete structure is because the existence in its gap, and its waterproof performance is general, therefore roofing structure often need be under construction the waterproof layer in order to realize better water-proof effects for the rainwater is difficult for passing inside the roofing gets into the building, thereby makes the living environment of building inside comparatively comfortable.
Generally, a waterproof layer is mostly made of a high-molecular waterproof material, the high-molecular waterproof material has good waterproof performance and good anti-permeability effect, but the high-molecular material has relatively low tensile and anti-tear performance, for a high-rise building, the building is in a motion state constantly under the action of the movement of a crust, and the building has high height and large motion amplitude of the top, so that the waterproof layer is stressed by the movement of a concrete structure constantly, cracks and other damage conditions are easy to occur on the waterproof layer due to insufficient tensile and anti-tear performance of the waterproof layer, the anti-permeability effect of a roof is reduced, and therefore, the space is also improved.
Disclosure of Invention
In order to maintain the anti-seepage effect of the roof for a longer time, the application provides a construction method of an anti-seepage protection layer of a roof structure.
The application provides a roofing structure anti-seepage splits protective layer construction method adopts following technical scheme:
a construction method for a roof structure anti-seepage protective layer comprises the following steps:
step 1), pouring cement mortar on a roof structure layer to form a leveling layer, and standing for 1-2 h;
step 2), spraying water mist on the leveling layer to wet the surface of the leveling layer;
step 3), laying a waterproof heat-insulating film on the surface of the wet leveling layer, and standing and maintaining for 7 days or more;
step 4), pouring cement mortar on the waterproof heat-insulating film and maintaining to form a surface layer;
the leveling layer, the waterproof heat-insulating film and the surface layer form an anti-cracking protective layer;
the waterproof heat-insulation film comprises the following components in parts by mass:
100 parts of polychlorotrifluoroethylene;
30-35 parts of polyvinyl alcohol;
15-20 parts of polyetherimide;
0.05-0.1 part of antioxidant.
Preferably, the waterproof heat-insulation film comprises the following components in parts by mass:
100 parts of polychlorotrifluoroethylene;
32-34 parts of polyvinyl alcohol;
16-18 parts of polyetherimide;
0.06-0.08 part of antioxidant.
By adopting the technical scheme, the waterproof heat-insulating film is prepared by blending the polychlorotrifluoroethylene, the polyvinyl alcohol and the polyetherimide, so that the waterproof heat-insulating film has stronger tensile and tear resistance, and is not easy to crack and other damages when being stressed by a building structure, thereby ensuring that the anti-cracking protective layer can keep the waterproof and anti-cracking effect for a long time and protecting the building structure for a long time.
Through step 1) the screed-coat stews for 1-2h for the screed-coat surface is not finally congealed, after laying waterproof thermal-insulated film on the screed-coat, will make waterproof thermal-insulated film firmly adhere on the screed-coat when the screed-coat finally congeals, and through step 2) to the screed-coat watering, play the effect to the screed-coat watering maintenance, make waterproof thermal-insulated film can closely laminate on the screed-coat through moisture simultaneously, reduce the waterproof thermal-insulated film and fly upward and be difficult to the phenomenon of construction, the construction is very convenient.
In addition, the waterproof heat-insulating film is also very strong in puncture resistance, and in the step 4), when cement mortar is poured, the cement mortar is difficult to damage the waterproof heat-insulating film in a puncturing manner in the construction process, so that the situation that the waterproof and anti-seepage effects of the anti-seepage protective layer are reduced is not easy to occur when the cement mortar is constructed on the waterproof heat-insulating film.
Moreover, because the cement mortar of surface course is directly pour on waterproof thermal-insulated film to and waterproof thermal-insulated film is laid when the screed-coat is not set finally, make waterproof thermal-insulated film and screed-coat and the equal firm connection of surface course, and waterproof thermal-insulated film has stronger tensile strength, can play certain reinforcing effect to surface course and screed-coat, act as the skeleton, make surface course and screed-coat be difficult for the fracture at the in-process of dry solidification, improve the stability of quality of anti-spalling protective layer.
Preferably, the waterproof heat-insulating film further comprises the following components in parts by mass:
1-2 parts of aluminum powder.
By adopting the technical scheme, the aluminum powder is added, and the principle that the aluminum powder reflects heat is utilized, so that the heat insulation effect of the waterproof heat insulation film is better, the heat insulation effect of the anti-cracking protective layer is improved, and the interior of the building is more comfortable.
Preferably, in the step 3), when the waterproof heat insulation film is laid, the waterproof heat insulation film is leveled, and air bubbles between the waterproof heat insulation film and the leveling layer are discharged.
Through adopting above-mentioned technical scheme, through discharging the bubble, guarantee that waterproof thermal-insulated film and screed-coat closely laminate for the effect of waterproof thermal-insulated film reinforcement screed-coat is better.
Preferably, in the step 3), the connecting edges of the adjacent waterproof heat-insulating films are overlapped with each other and are bonded by hot melt adhesive.
Through adopting above-mentioned technical scheme, bond through the hot melt adhesive, avoid adjacent waterproof thermal-insulated film junction to appear the condition of leaking for waterproof thermal-insulated film has better waterproof function.
Preferably, in the step 3), polypropylene is used as the hot melt adhesive.
By adopting the technical scheme, the polypropylene is used as the hot melt adhesive, the melting point of the polypropylene is 189 ℃, when the polypropylene is subjected to hot melting, the waterproof heat-insulation film cannot be subjected to hot melting due to the fact that the melting point is higher, but the activity of the molecular chain is also more active, so that hot-melted polypropylene molecules are easily tangled with the molecular chain of the waterproof heat-insulation film, the effect of bonding the waterproof heat-insulation film is better, the waterproof performance of the polypropylene is better, and the construction is also more convenient.
Preferably, in the step 2), after the water is sprayed, the water beads on the surface of the surface layer are absorbed by using a sponge, and then the step 3) is carried out.
Through adopting above-mentioned technical scheme, through siphoning off the drop of water, avoid the moisture of surface course too much and influence the surface course solidification that condenses for surface course quality preferred.
Preferably, the thickness of the waterproof heat-insulating film is 0.08 mm.
Through adopting above-mentioned technical scheme, adopt 0.08mm through the thickness of waterproof thermal-insulated film, guarantee sufficient physical strength, the at utmost reduces the material quantity simultaneously, reduces material cost, lightens weight, makes things convenient for the material transportation for the construction is comparatively convenient.
In summary, the present application has the following beneficial effects:
1. because the waterproof heat insulation film is prepared by blending the polychlorotrifluoroethylene, the polyvinyl alcohol and the polyetherimide, the waterproof heat insulation film has stronger tensile and tear resistance, and is not easy to crack and other damages when being stressed by a building structure, so that the anti-cracking protective layer can keep the waterproof and anti-cracking effects for a long time and the building structure can be protected for a long time.
2. The cement mortar direct pouring through the surface course is preferably on waterproof thermal-insulated film in this application to and waterproof thermal-insulated film lays when the screed-coat is not set finally, make waterproof thermal-insulated film and screed-coat and the equal firm connection of surface course, and waterproof thermal-insulated film has stronger tensile strength, can play certain reinforcement effect to surface course and screed-coat, act as the skeleton, make surface course and screed-coat be difficult for the fracture at the in-process of dry solidification, improve the stability of quality of anti-spalling protective layer.
3. Preferably through adopting polypropylene as the hot melt adhesive in this application, the polypropylene melting point is 189 ℃, when with polypropylene hot melt, waterproof thermal-insulated film is because the melting point is higher, can not the hot melt, but the molecular chain activity has also become comparatively lively for the polypropylene molecule of hot melt is tangled with waterproof thermal-insulated film's molecular chain easily, thereby makes the effect of bonding waterproof thermal-insulated film better, and polypropylene's waterproof performance is better moreover, and it is also comparatively convenient to be under construction.
Detailed Description
The present application will be described in further detail with reference to examples.
The information on the source of the raw materials used in the following preparations, comparative preparations, examples and comparative examples is detailed in Table 1.
TABLE 1
| Raw materials | Source information |
| Polychlorotrifluoroethylene | Japan Dajin, brand number M-300P |
| Polyvinyl alcohol | Shandong Kepler Biotech Co., Ltd, model kpl-59945 |
| Polyether imide | Saber foundation, trade name 1000F |
| Antioxidant agent | Fushan City, Zuogao Gao plasting Co., Ltd, antioxidant 1010 |
| Aluminum powder | Jinjiang spraying materials of Jinzhou city, Inc., metal aluminum powder with particle size of 50 microns |
| Cement | Jun brand ordinary portland cement PO42.5R of Yanxin Yonggang group Co., Ltd |
| Sand | Lingshou county constant-spread mineral processing plant, river sand |
| Fly ash | Lingshu county Kate mica factoryFirst grade fly ash |
| Water reducing agent | Kangdong Longcheng ze chemical engineering Co., Ltd, naphthalene series water reducer |
Preparation examples 1 to 5
A waterproof heat-insulating film comprising the following components:
polychlorotrifluoroethylene, polyvinyl alcohol, polyetherimide and antioxidant.
In preparation examples 1 to 5, the specific amounts (in Kg) of the respective components to be charged are specified in Table 2.
TABLE 2
In preparation examples 1 to 5, the waterproof and heat-insulating film was prepared as follows:
putting polychlorotrifluoroethylene, polyvinyl alcohol, polyetherimide and an antioxidant into a stirring kettle, stirring at the rotation speed of 1200r/min for 3min to obtain a mixture, putting the mixture into a film blowing machine, and blowing to form a film to obtain the waterproof heat-insulating film, wherein the extrusion temperature of the mixture is 250 ℃, and the thickness of the waterproof heat-insulating film is 0.08 mm.
Preparation examples 6 to 8
A waterproof heat-insulating film is different from that of preparation example 5 only in that:
also comprises the following components:
aluminum powder.
In preparation examples 6 to 8, the specific amounts (in Kg) of aluminum powder charged are specified in Table 3.
TABLE 3
| Preparation example 6 | Preparation example 7 | Preparation example 8 | |
| Aluminum powder | 1 | 2 | 1.5 |
Preparation examples 6 to 8 aluminum powder was put into a stirred tank together with polychlorotrifluoroethylene, polyvinyl alcohol, polyetherimide and antioxidant and stirred uniformly.
Comparative preparation examples 1 to 5
A waterproof heat-insulating film comprises one or more of the following components:
polychlorotrifluoroethylene, polyvinyl alcohol, polyetherimide and antioxidant.
The specific amounts (in Kg) of the ingredients used in comparative preparation examples 1-5 are specified in Table 4.
TABLE 4
In comparative preparation examples 1 to 5, the waterproof and heat-insulating film was prepared as follows:
selecting and weighing required components according to the weight percentage of 4, putting all weighed components into a stirring kettle, stirring at the rotating speed of 1200r/min for 3min to obtain a mixture, putting the mixture into a film blowing machine, and blowing to form a film to obtain the waterproof heat-insulating film, wherein the extrusion temperature of the mixture is 250 ℃, and the thickness of the waterproof heat-insulating film is 0.08 mm.
Example 1
A construction method for a roof structure anti-seepage protective layer comprises the following steps:
step 1), cleaning the roof structure, building a pouring template, pouring cement mortar on the roof structure, tamping to form a leveling layer, and standing the leveling layer for 1 h.
And 2) spraying water mist on the leveling layer by using a spray head so as to wet the surface of the leveling layer.
And 3) rolling the leveling layer once by using a sponge stick to absorb redundant water drops on the surface of the leveling layer, so that the surface of the leveling layer is free of water drops but in a wet state, then covering a waterproof heat insulation film on the surface of the leveling layer, wherein the edges connected by adjacent waterproof heat insulation films are mutually overlapped, the overlapping width is 1cm, a polypropylene sheet is placed at the overlapping position, the length of the polypropylene sheet is consistent with the length of the overlapping position, the width of the polypropylene sheet is 1.1cm, the overlapping area of the adjacent waterproof heat insulation films is leaked from two sides of the polypropylene sheet, the overlapping area of the adjacent waterproof heat insulation films is heated by hot air at 200 ℃, the polypropylene sheet is hot-melted, the adhesion of the adjacent waterproof heat insulation films is completed after cooling, then the sponge stick is rolled on the waterproof heat insulation films, so that the waterproof heat insulation films are attached to the leveling layer, bubbles between the waterproof heat insulation films and the leveling layer are discharged, and then standing and maintaining are carried out for 7 d.
And 4), building a pouring template on the waterproof heat-insulation film, pouring cement mortar on the waterproof heat-insulation film, tamping, standing for 10 hours, and spraying water for curing to form a surface layer.
And 5), after the surface layer is kept still for 7d, detaching the surface layer and a pouring template of the leveling layer, and forming an anti-crack protection layer by the leveling layer, the waterproof heat-insulation film and the surface layer.
In this example, the waterproof heat-insulating film of preparation example 1 was used as the waterproof heat-insulating film.
In the embodiment, the cement mortar used for the leveling layer and the surface layer has the same formula, wherein the cement mortar comprises 100kg of water, 153kg of cement, 1100kg of sand, 29.4kg of fly ash and 1.5kg of water reducing agent.
The preparation method of the cement mortar comprises the following steps:
putting water, cement, sand and fly ash into a stirring kettle, stirring for 10min at a rotating speed of 80r/min, then putting a water reducing agent into the stirring kettle, stirring for 15min at a rotating speed of 80r/min, and obtaining cement mortar.
Example 2
A construction method for a roof structure anti-cracking protective layer is different from the construction method in embodiment 1 only in that:
the waterproof heat-insulating film of preparation example 2 was used.
Example 3
A construction method for a roof structure anti-cracking protective layer is different from the construction method in embodiment 1 only in that:
the waterproof heat-insulating film of preparation example 3 was used.
Example 4
A construction method for a roof structure anti-cracking protective layer is different from the construction method in embodiment 1 only in that:
the waterproof heat-insulating film of preparation example 4 was used.
Example 5
A construction method for a roof structure anti-cracking protective layer is different from the construction method in embodiment 1 only in that:
the waterproof heat-insulating film of preparation example 5 was used.
Example 6
A construction method for a roof structure anti-cracking protective layer is different from the construction method in embodiment 1 only in that:
the waterproof heat-insulating film of preparation example 6 was used.
Example 7
A construction method for a roof structure anti-cracking protective layer is different from the construction method in embodiment 1 only in that:
the waterproof heat-insulating film of preparation example 7 was used.
Example 8
A construction method for a roof structure anti-cracking protective layer is different from the construction method in embodiment 1 only in that:
the waterproof heat-insulating film of preparation example 8 was used.
Comparative example 1
A construction method for a roof structure anti-cracking protective layer is different from the construction method in embodiment 1 only in that:
the waterproof heat-insulating film of comparative preparation example 1 was used.
Comparative example 2
A construction method for a roof structure anti-cracking protective layer is different from the construction method in embodiment 1 only in that:
the waterproof heat-insulating film of comparative preparation example 2 was used.
Comparative example 3
A construction method for a roof structure anti-cracking protective layer is different from the construction method in embodiment 1 only in that:
the waterproof heat-insulating film of comparative preparation example 3 was used.
Comparative example 4
A construction method for a roof structure anti-cracking protective layer is different from the construction method in embodiment 1 only in that:
the waterproof heat-insulating film of comparative preparation example 4 was used.
Comparative example 5
A construction method for a roof structure anti-cracking protective layer is different from the construction method in embodiment 1 only in that:
the waterproof heat-insulating film of comparative preparation example 5 was used.
Experiment 1
The tensile strength of the test pieces made of the waterproof heat-insulating films of each preparation example and comparative preparation example was tested according to GBT13022-1991, test method for tensile Properties of Plastic film.
Experiment 2
The samples prepared from the waterproof heat-insulating films of the respective preparation examples and comparative preparation examples were tested for their right-angle tear strength according to QBT1130-91, test method for right-angle tear Performance of plastics.
Experiment 3
Part 1 of the free dart method according to GBT9639.1-2008 "test method for impact resistance of plastic films and sheets: cascade method, test method B, test the samples made of the waterproof heat-insulating film of each preparation example and comparative preparation example were tested for the quality of impact breakage.
The assay data for experiments 1-3 are detailed in Table 5.
TABLE 5
According to the comparison of the data of preparation example 5 and comparative preparation examples 1-5 in table 5, when polychlorotrifluoroethylene, polyvinyl alcohol and polyetherimide are mixed in a specific ratio, the tensile strength, tear strength and impact resistance are obviously improved, and thus, the prepared waterproof heat-insulating film is not easy to damage, can be used as a waterproof layer for a long time, provides a long-term waterproof and anti-permeability effect, is not easy to be pierced by aggregates in the construction process, and ensures the construction quality.
According to comparison of data of preparation example 5 and preparation examples 6-8 in table 5, the aluminum powder is added, so that the performance of the waterproof heat-insulating film is not greatly influenced, the heat-insulating performance is improved, and the physical performance is prevented from being greatly influenced, so that the waterproof heat-insulating film is waterproof and heat-insulating for a long time and is not easy to damage.
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.
Claims (7)
1. A construction method for a roof structure anti-seepage protective layer is characterized in that: the method comprises the following steps:
step 1), pouring cement mortar on a roof structure layer to form a leveling layer, and standing for 1-2 h;
step 2), spraying water mist on the leveling layer to wet the surface of the leveling layer;
step 3), laying a waterproof heat-insulating film on the surface of the wet leveling layer, and standing and maintaining for 7 days or more;
step 4), pouring cement mortar on the waterproof heat-insulating film and maintaining to form a surface layer;
the leveling layer, the waterproof heat-insulating film and the surface layer form an anti-cracking protective layer;
the waterproof heat-insulation film comprises the following components in parts by mass:
100 parts of polychlorotrifluoroethylene;
32-34 parts of polyvinyl alcohol;
16-18 parts of polyetherimide;
0.06-0.08 part of antioxidant.
2. The construction method for the anti-cracking protective layer of the roofing structure, according to claim 1, is characterized in that: the waterproof heat-insulation film also comprises the following components in parts by mass:
1-2 parts of aluminum powder.
3. The construction method for the anti-cracking protective layer of the roofing structure, according to claim 1, is characterized in that: in the step 3), when the waterproof heat insulation film is laid, the waterproof heat insulation film is leveled, and bubbles between the waterproof heat insulation film and the leveling layer are discharged.
4. The construction method for the anti-cracking protective layer of the roofing structure, according to claim 1, is characterized in that: in the step 3), the connecting edges of the adjacent waterproof heat-insulating films are mutually overlapped and bonded through hot melt adhesive.
5. The construction method for the anti-cracking protective layer of the roofing structure, according to claim 4, is characterized in that: in the step 3), the hot melt adhesive is polypropylene.
6. The construction method for the anti-cracking protective layer of the roofing structure, according to claim 1, is characterized in that: and in the step 2), after the water is sprayed, absorbing water beads on the surface of the surface layer by using sponge, and then performing the step 3).
7. The construction method for the anti-cracking protective layer of the roofing structure, according to claim 1, is characterized in that: the thickness of the waterproof heat-insulating film is 0.08 mm.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1154087A (en) * | 1995-03-14 | 1997-07-09 | 大赛璐化学工业株式会社 | Barrier composite film and process for the production thereof |
| CN203256975U (en) * | 2013-05-15 | 2013-10-30 | 孔建光 | Slope tile face with tiles |
| KR101397827B1 (en) * | 2013-06-20 | 2014-05-20 | (주)안성 | Roof outside insulation waterproofing structure and construction method of the same |
| CN111303569A (en) * | 2020-01-10 | 2020-06-19 | 西安航空学院 | Preparation method of tough polymer film |
| CN112745785A (en) * | 2021-01-22 | 2021-05-04 | 山东普文特建材有限公司 | Butyl rubber self-adhesive material, weather-resistant waterproof heat-insulating film and self-adhesive waterproof roll |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8846792B2 (en) * | 2006-10-26 | 2014-09-30 | The Yokohama Rubber Co., Ltd. | Construction comprising tie layer |
-
2021
- 2021-07-17 CN CN202110809768.3A patent/CN113550509B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1154087A (en) * | 1995-03-14 | 1997-07-09 | 大赛璐化学工业株式会社 | Barrier composite film and process for the production thereof |
| CN203256975U (en) * | 2013-05-15 | 2013-10-30 | 孔建光 | Slope tile face with tiles |
| KR101397827B1 (en) * | 2013-06-20 | 2014-05-20 | (주)안성 | Roof outside insulation waterproofing structure and construction method of the same |
| CN111303569A (en) * | 2020-01-10 | 2020-06-19 | 西安航空学院 | Preparation method of tough polymer film |
| CN112745785A (en) * | 2021-01-22 | 2021-05-04 | 山东普文特建材有限公司 | Butyl rubber self-adhesive material, weather-resistant waterproof heat-insulating film and self-adhesive waterproof roll |
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