CN115419187B - Cement foaming external wall heat-insulating wall and preparation process thereof - Google Patents

Cement foaming external wall heat-insulating wall and preparation process thereof Download PDF

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Publication number
CN115419187B
CN115419187B CN202210909063.3A CN202210909063A CN115419187B CN 115419187 B CN115419187 B CN 115419187B CN 202210909063 A CN202210909063 A CN 202210909063A CN 115419187 B CN115419187 B CN 115419187B
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layer
parts
cement foaming
putty
glass fibers
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CN115419187A (en
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袁云林
周双枝
徐峰
吴嘉成
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Xinshi Construction Group Co ltd
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Xinshi Construction Group Co ltd
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • C04B28/04—Portland cements
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/34—Filling pastes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/65—Additives macromolecular
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/762—Exterior insulation of exterior walls
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/02—Coverings or linings, e.g. for walls or ceilings of plastic materials hardening after applying, e.g. plaster
    • E04F13/04—Bases for plaster
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/40—Porous or lightweight materials
    • 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
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2227—Oxides; Hydroxides of metals of 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/24—Structural elements or technologies for improving thermal insulation
    • Y02A30/244—Structural elements or technologies for improving thermal insulation using natural or recycled building materials, e.g. straw, wool, clay or used tires
    • 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
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/90—Passive houses; Double facade technology

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Architecture (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Civil Engineering (AREA)
  • Electromagnetism (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Acoustics & Sound (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Building Environments (AREA)

Abstract

The invention discloses a cement foaming external wall insulation wall, which comprises a cement foaming insulation layer, a putty layer, a mortar layer and a decorative paint layer, wherein the surface of the cement foaming insulation layer is coated with the putty layer; the surface of the putty layer is coated with a layer of the mortar layer, and the surface of the mortar layer is coated with a layer of the decorative paint layer; the cement foaming heat preservation layer is a magnesium-based cement foaming layer, glass fibers are paved in the putty layer on the surface of the magnesium-based cement foaming layer, a plurality of glass fibers are arranged, partial overlapping exists between two adjacent glass fibers, and the overlapping parts of the two glass fibers are connected through a first connecting piece. The cement foaming external wall heat-insulating wall has good heat-insulating effect, is not easy to crack, and has good cracking performance.

Description

Cement foaming external wall heat-insulating wall and preparation process thereof
Technical Field
The invention relates to the field of cement foaming external wall heat insulation walls. More specifically, the invention relates to a cement foaming external wall heat-insulating wall and a preparation process thereof.
Background
Along with the increasing demands of people on living environment, the heat preservation effect is paid more attention to, a layer of heat preservation wall is paved during building construction, and the heat preservation wall is widely applied to the outside of a building wall and is also suitable for energy conservation and decoration reconstruction of old buildings. However, the existing heat-insulating wall generally has the problem that the wall is easy to fall off after long-term use.
Disclosure of Invention
To achieve these objects and other advantages and in accordance with the purpose of the invention, as embodied and broadly described herein, a preferred embodiment of the present invention provides a cement foamed exterior wall insulation wall, comprising a cement foamed insulation layer, a putty layer, a mortar layer and a decorative paint layer,
the surface of the cement foaming heat-insulating layer is coated with a putty layer; the surface of the putty layer is coated with a layer of the mortar layer, and the surface of the mortar layer is coated with a layer of the decorative paint layer;
the cement foaming heat preservation layer is a magnesium-based cement foaming layer, glass fibers are paved in the putty layer on the surface of the magnesium-based cement foaming layer, a plurality of glass fibers are arranged, partial overlapping exists between two adjacent glass fibers, and the overlapping parts of the two glass fibers are connected through a first connecting piece.
The invention provides a preparation process of a cement foaming external wall heat preservation wall, which comprises the following steps:
step S1, coating a layer of putty on the surface of the cement foaming heat-insulating layer, paving at least two glass fibers on the surface of the putty layer, wherein the two adjacent glass fibers are partially overlapped, the overlapped parts of the two glass fibers are connected through a first connecting piece, and continuously coating a layer of putty on the surface of the glass fibers to form the putty layer;
s2, coating a layer of mortar layer on the surface of the putty layer;
s3, coating a decorative paint layer on the surface of the mortar layer;
and S4, checking regularly, and taking measures to remedy if the crack exists.
The invention provides a magnesium-based cement foaming layer which is formed by mixing and stirring the following raw materials in parts by weight:
140-170 parts of Portland cement, 50-70 parts of magnesium oxide, 70-90 parts of modified attapulgite clay, 120-140 parts of carbon particles, 190-230 parts of water and 30-50 parts of cement foaming agent.
A preferred embodiment of the present invention provides that the modified attapulgite clay is prepared by the steps of:
taking 55-67 parts of attapulgite clay according to parts by weight, crushing and sieving to obtain attapulgite clay powder, wherein the particle size of the attapulgite clay powder is 500-600 meshes, adding 10-15 parts of carboxymethyl cellulose and 20-25 parts of water into the attapulgite clay powder, stirring and mixing, then placing the mixture into a screw extruder for extrusion treatment, drying and crushing to obtain the modified attapulgite clay.
A preferred embodiment of the present invention provides that the decorative paint layer is coated with a decorative paint consisting of the following components in parts by weight: 30-40 parts of epoxy resin emulsion, 8-10 parts of montmorillonite powder, 6-8 parts of fatty acid polyethylene glycol ester, 3-5 parts of alumina and 3-5 parts of organic silicon defoamer.
In a preferred embodiment of the present invention, the first connecting member is an elastic rope made of a flexible material, which is deformable under external tension, and the surface of the elastic rope is coated with a plurality of anti-corrosion coatings, and after each anti-corrosion coating is applied, the surface is polished and then the subsequent anti-corrosion coating is applied.
The invention provides a preferable implementation scheme, wherein a plurality of steel wire meshes are pre-buried in the mortar layer, partial overlapping exists between two adjacent steel wire meshes, the overlapping parts of the two steel wire meshes are connected through a second connecting piece, and the second connecting piece is a rigid spring.
A preferred embodiment of the present invention provides for said step S4, periodic inspection, taking action to remedy if there is a crack, including in particular the following remedial actions: scraping the decorative coating layer in a preset range around the crack, crushing and crushing the mortar layer below the scraped decorative coating layer, and further removing the putty layer below the crushed mortar layer to form a groove; and detecting the strength of the wall surface within 40cm from the edge of the groove by using a strength detector, if the strength of one part is lower than a preset threshold value, removing the decorative paint layer, the mortar layer and the putty layer at the part until all parts with the unqualified strength are removed, and sequentially scraping the putty layer, the mortar layer and the decorative paint layer at the groove.
The invention at least comprises the following beneficial effects: the cement foaming external wall heat-insulating wall has good heat-insulating effect, is not easy to crack, and has good cracking performance.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Detailed Description
The present invention is described in further detail below with reference to examples to enable those skilled in the art to practice the same by referring to the description.
The following description is presented to enable one of ordinary skill in the art to make and use the invention. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art. The basic principles of the invention defined in the following description may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the invention.
It will be understood that the terms "a" and "an" should be interpreted as referring to "at least one" or "one or more," i.e., in one embodiment, the number of elements may be one, while in another embodiment, the number of elements may be plural, and the term "a" should not be interpreted as limiting the number.
The invention provides a cement foaming external wall heat-insulating wall, which comprises a cement foaming heat-insulating layer, a putty layer, a mortar layer and a decorative paint layer,
the surface of the cement foaming heat-insulating layer is coated with a putty layer; the surface of the putty layer is coated with a layer of the mortar layer, and the surface of the mortar layer is coated with a layer of the decorative paint layer;
the cement foaming heat preservation layer is a magnesium-based cement foaming layer, glass fibers are paved in the putty layer on the surface of the magnesium-based cement foaming layer, a plurality of glass fibers are arranged, partial overlapping exists between two adjacent glass fibers, and the overlapping parts of the two glass fibers are connected through a first connecting piece.
The invention provides a preparation process of a cement foaming external wall heat preservation wall, which comprises the following steps:
step S1, coating a layer of putty on the surface of the cement foaming heat-insulating layer, paving at least two glass fibers on the surface of the putty layer, wherein the two adjacent glass fibers are partially overlapped, the overlapped parts of the two glass fibers are connected through a first connecting piece, and continuously coating a layer of putty on the surface of the glass fibers to form the putty layer;
s2, coating a layer of mortar layer on the surface of the putty layer;
s3, coating a decorative paint layer on the surface of the mortar layer;
and S4, checking regularly, and taking measures to remedy if the crack exists.
The invention provides a magnesium-based cement foaming layer which is formed by mixing and stirring the following raw materials in parts by weight:
140-170 parts of Portland cement, 50-70 parts of magnesium oxide, 70-90 parts of modified attapulgite clay, 120-140 parts of carbon particles, 190-230 parts of water and 30-50 parts of cement foaming agent.
A preferred embodiment of the present invention provides that the modified attapulgite clay is prepared by the steps of:
taking 55-67 parts of attapulgite clay according to parts by weight, crushing and sieving to obtain attapulgite clay powder, wherein the particle size of the attapulgite clay powder is 500-600 meshes, adding 10-15 parts of carboxymethyl cellulose and 20-25 parts of water into the attapulgite clay powder, stirring and mixing, then placing the mixture into a screw extruder for extrusion treatment, drying and crushing to obtain the modified attapulgite clay.
The attapulgite clay is modified by a screw extruder, and carboxymethyl cellulose enters an interlayer structure of the attapulgite clay under the high-pressure expansion environment of the screw extruder, so that the surface of the attapulgite clay is cationized, the dispersion of the attapulgite clay in a foaming material is improved, and the toughness of the foaming material is improved.
A preferred embodiment of the present invention provides that the decorative paint layer is coated with a decorative paint consisting of the following components in parts by weight: 30-40 parts of epoxy resin emulsion, 8-10 parts of montmorillonite powder, 6-8 parts of fatty acid polyethylene glycol ester, 3-5 parts of alumina and 3-5 parts of organic silicon defoamer.
In a preferred embodiment of the present invention, the first connecting member is an elastic rope made of a flexible material, which is deformable under external tension, and the surface of the elastic rope is coated with a plurality of anti-corrosion coatings, and after each anti-corrosion coating is applied, the surface is polished and then the subsequent anti-corrosion coating is applied. The elastic deformation of the elastic rope is utilized to offset the stress caused by thermal expansion and cold contraction of the mortar, so that the cracking resistance of the putty layer is improved.
The invention provides a preferable implementation scheme, wherein a plurality of steel wire meshes are pre-buried in the mortar layer, partial overlapping exists between two adjacent steel wire meshes, the overlapping parts of the two steel wire meshes are connected through a second connecting piece, and the second connecting piece is a rigid spring.
Considering that mortar is easy to crack due to thermal expansion and contraction in a long-term outdoor environment, particularly in a severe environment, the whole wall surface of the mortar is naturally cracked once cracked, in order to further improve the cracking resistance of the mortar, the steel wire meshes are embedded in the mortar layer in the embodiment, the two steel wire meshes are connected through the rigid spring, and meanwhile, the elastic deformation between the two steel wire meshes and the elasticity of the spring is realized by utilizing the toughness of the steel wire meshes, so that the stress caused by thermal expansion and contraction of the mortar can be counteracted, and the cracking resistance of the mortar layer is improved.
A preferred embodiment of the present invention provides for said step S4, periodic inspection, taking action to remedy if there is a crack, including in particular the following remedial actions: scraping the decorative coating layer in a preset range around the crack, crushing and crushing the mortar layer below the scraped decorative coating layer, and further removing the putty layer below the crushed mortar layer to form a groove; and detecting the strength of the wall surface within 40cm from the edge of the groove by using a strength detector, if the strength of one part is lower than a preset threshold value, removing the decorative paint layer, the mortar layer and the putty layer at the part until all parts with the unqualified strength are removed, and sequentially scraping the putty layer, the mortar layer and the decorative paint layer at the groove.
In the above embodiment, in addition to removing the raw material within the predetermined range of the crack, in consideration of the possible damage to the wall surface at the invisible portion to the naked eye, it is necessary to remove the raw material from the wall surface where the damage has occurred but is insufficient to be seen by the naked eye, so as to achieve the real repair of the crack, and the above embodiment provides a scheme for detecting the wall surface by using the intensity detector.
Although embodiments of the present invention have been disclosed above, it is not limited to the details and embodiments shown, it is well suited to various fields of use for which the invention is suited, and further modifications may be readily made by one skilled in the art, and the invention is therefore not to be limited to the particular details and examples shown and described herein, without departing from the general concepts defined by the claims and the equivalents thereof.

Claims (5)

1. A process for preparing a cement foaming external wall heat-insulating wall comprises a cement foaming heat-insulating layer, a putty layer, a mortar layer and a decorative paint layer,
the surface of the cement foaming heat-insulating layer is coated with a putty layer; the surface of the putty layer is coated with a layer of the mortar layer, and the surface of the mortar layer is coated with a layer of the decorative paint layer;
the cement foaming heat preservation is magnesium-based cement foaming layer, glass fiber is laid in the putty layer on the surface of the cement foaming heat preservation, a plurality of glass fibers are partially overlapped between two adjacent glass fibers, and the overlapped parts of the two glass fibers are connected through a first connecting piece, and the cement foaming heat preservation is characterized by comprising the following steps:
step S1, coating a layer of putty on the surface of the cement foaming heat-insulating layer, paving at least two glass fibers on the surface of the putty layer, wherein the two adjacent glass fibers are partially overlapped, the overlapped parts of the two glass fibers are connected through a first connecting piece, and continuously coating a layer of putty on the surface of the glass fibers to form the putty layer;
s2, coating a layer of mortar layer on the surface of the putty layer;
s3, coating a decorative paint layer on the surface of the mortar layer;
s4, checking regularly, and if the crack exists, taking measures to remedy the crack;
the magnesium-based cement foaming layer is formed by mixing and stirring the following raw materials in parts by weight:
140-170 parts of Portland cement, 50-70 parts of magnesium oxide, 70-90 parts of modified attapulgite clay, 120-140 parts of carbon particles, 190-230 parts of water and 30-50 parts of cement foaming agent;
the modified attapulgite clay is prepared by the following steps:
taking 55-67 parts of attapulgite clay according to parts by weight, crushing and sieving to obtain attapulgite clay powder, wherein the particle size of the attapulgite clay powder is 500-600 meshes, adding 10-15 parts of carboxymethyl cellulose and 20-25 parts of water into the attapulgite clay powder, stirring and mixing, then placing the mixture into a screw extruder for extrusion treatment, drying and crushing to obtain the modified attapulgite clay.
2. The process for preparing the cement foaming external wall insulation wall according to claim 1, wherein the decorative paint layer is formed by coating decorative paint, and the decorative paint comprises the following components in parts by weight: 30-40 parts of epoxy resin emulsion, 8-10 parts of montmorillonite powder, 6-8 parts of fatty acid polyethylene glycol ester, 3-5 parts of alumina and 3-5 parts of organic silicon defoamer.
3. The process for preparing a cement foaming external wall insulation wall according to claim 1, wherein the first connecting piece is an elastic rope made of flexible materials, the elastic rope can deform under external tension, the surface of the elastic rope is coated with a plurality of anti-corrosion coatings, and after each anti-corrosion coating is coated, the surface of the elastic rope is polished, and then the subsequent anti-corrosion coatings are coated.
4. The process for preparing the cement foaming external wall insulation wall according to claim 1, wherein a plurality of steel wire meshes are pre-buried in the mortar layer, partial overlapping exists between two adjacent steel wire meshes, the overlapping parts of the two steel wire meshes are connected through a second connecting piece, and the second connecting piece is a rigid spring.
5. The process for preparing the cement foaming exterior wall insulation wall according to claim 4, wherein the step S4 is a periodic inspection, and if the cement foaming exterior wall insulation wall has cracks, measures are taken to remedy, and the process specifically comprises the following remedy operations: scraping the decorative coating layer in a preset range around the crack, crushing and crushing the mortar layer below the scraped decorative coating layer, and further removing the putty layer below the crushed mortar layer to form a groove; and detecting the strength of the wall surface within 40cm from the edge of the groove by using a strength detector, if the strength of one part is lower than a preset threshold value, removing the decorative paint layer, the mortar layer and the putty layer at the part until all parts with the unqualified strength are removed, and sequentially scraping the putty layer, the mortar layer and the decorative paint layer at the groove.
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