CN111138138B - Heat-insulation and decoration integrated plate, heat-insulation plate, outer-layer decoration plate and preparation method - Google Patents

Heat-insulation and decoration integrated plate, heat-insulation plate, outer-layer decoration plate and preparation method Download PDF

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Publication number
CN111138138B
CN111138138B CN202010016509.0A CN202010016509A CN111138138B CN 111138138 B CN111138138 B CN 111138138B CN 202010016509 A CN202010016509 A CN 202010016509A CN 111138138 B CN111138138 B CN 111138138B
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parts
weight
heat
plate
water
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CN111138138A (en
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陈建明
石维军
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Jiangsu Xiecheng Science and Technology Development Co Ltd
Jiangsu Almine New Materials Stock Co ltd
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Jiangsu Xiecheng Science and Technology Development Co Ltd
Jiangsu Almine New Materials Stock Co ltd
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    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
    • B32B13/04—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B13/06—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B32B15/082—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising vinyl resins; comprising acrylic resins
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    • C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
    • C04B26/02—Macromolecular compounds
    • C04B26/04—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B26/06—Acrylates
    • 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
    • E04B1/78—Heat insulating elements
    • E04B1/80—Heat insulating elements slab-shaped
    • 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
    • E04B1/92—Protection against other undesired influences or dangers
    • E04B1/94—Protection against other undesired influences or dangers against fire
    • E04B1/941—Building elements specially adapted therefor
    • E04B1/942—Building elements specially adapted therefor slab-shaped
    • 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
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/0875—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements having a basic insulating layer and at least one covering layer
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
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    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
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    • E04F13/12—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements of metal or with an outer layer of metal or enameled metal
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    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/20—Resistance against chemical, physical or biological attack
    • C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
    • C—CHEMISTRY; METALLURGY
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    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
    • 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
    • C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
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    • C04B2201/32—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
    • E—FIXED CONSTRUCTIONS
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    • E04F2290/04—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire
    • E—FIXED CONSTRUCTIONS
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    • E04F2290/00—Specially adapted covering, lining or flooring elements not otherwise provided for
    • E04F2290/04—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire
    • E04F2290/045—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire against fire
    • E04F2290/046—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire against fire with a facing or top layer for fire insulation
    • 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

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electromagnetism (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Acoustics & Sound (AREA)
  • Inorganic Chemistry (AREA)
  • Building Environments (AREA)
  • Laminated Bodies (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

The invention provides a heat-insulation and decoration integrated plate, a heat-insulation plate and a preparation method. The heat-insulation and decoration integrated plate comprises a heat-insulation plate and an outer-layer decoration plate which are compounded together. The heat-insulating board is provided with a skeleton structure, and a modifier and an inorganic cementing material which are dispersedly coated in the skeleton structure; the polystyrene foam particle modified inorganic cementing material comprises 6-10 parts by weight of a skeleton structure and 5-20 parts by weight of a modifier, wherein the inorganic cementing material is prepared by mixing at least the following components: 70-120 parts of main materials, 10-25 parts of small materials, 1-5 parts of additives and 40-50 parts of water. The outer layer decorative plate has a three-layer structure which is respectively composed of two layers of metal plates and a core material positioned between the two layers of metal plates; the core material comprises the following components in parts by weight: 40-80 parts of vinyl acetate-ethylene copolymer emulsion, waterproof acrylic emulsion or modified acrylic emulsion, 300 parts of inorganic core material recycled material, 300 parts of slag powder, 1-6 parts of curing agent and 20-50 parts of water. The material disclosed by the invention has good heat insulation performance and water resistance and achieves the A2-grade fireproof effect.

Description

Heat-insulation and decoration integrated plate, heat-insulation plate, outer-layer decoration plate and preparation method
Technical Field
The invention relates to the technical field of heat preservation plates, in particular to a heat preservation decoration integrated plate, a heat preservation plate, an outer layer decoration plate and a preparation method for the heat preservation decoration integrated plate.
Background
The traditional method for outer wall heat preservation decoration or outer decoration wall surface is usually manufactured on a construction site, mortar is smeared on the outer wall of a building firstly, then a heat preservation plate is pasted, mortar is smeared, grid cloth is embedded, and then ceramic tiles or spray paint are pasted to form the outer decoration wall surface. The traditional construction process is complex, low in efficiency, long in period and high in cost.
At present, the heat preservation and decoration integrated board on the market generally comprises a decoration board (decoration layer) and a heat preservation board (heat preservation layer) in two-layer structures, wherein the decoration layer is mainly changed into a calcium silicate board, the heat preservation material of the heat preservation layer generally adopts rock wool, extruded sheets, polystyrene boards and other materials, and the calcium silicate board is directly attached to the wall after being bonded with the heat preservation layer. The mode overcomes the defects of complexity and complexity of the traditional process, and is convenient and fast to install. However, the calcium-silicon material in the calcium-silicon plate is easy to absorb water, and the problems of falling, water seepage, heat preservation failure and the like can be caused after a long time; the paint on the surface coating of the decorative layer is easy to fade, and the weather resistance has a larger problem; the internal heat insulation material adopts rock wool, extruded sheets, polystyrene boards and other materials, the rock wool has high water absorption rate although reaching A-level fire prevention, and loses the heat insulation effect after absorbing water, and the extruded sheets, the polystyrene boards and other materials have high heat insulation performance, good water resistance and convenient processing, but the fire resistance can only reach B-level. Aiming at the problems, the insulation board prepared by coating polyphenyl particles with an inorganic cementing material has the fireproof performance reaching A2 level, but because the proportion and the process are not mature enough, a plurality of A2-level polyphenyl insulation boards declared on the market cannot reach the true A2 level, and the problems are mainly reflected in that the uniformity is insufficient, the density is uneven, the heat value is uneven, the heat conductivity coefficient is uneven, and the product quality is extremely unstable.
Therefore, the insulation board and the insulation decoration integrated board which have good insulation performance and water resistance, really reach the standard and have stable performance and the A2-level fireproof effect need to be developed in the field.
Disclosure of Invention
One of the technical problems to be solved by the invention is to provide a heat-insulating and decorating integrated plate which has the advantages of good heat-insulating property, good water resistance and A2-level fireproof effect.
The second technical problem to be solved by the present invention is to provide a thermal insulation board which has good thermal insulation performance and water resistance and achieves a stable a 2-level fireproof effect, so as to overcome the defects of the traditional thermal insulation material that the thermal insulation material is not fire-resistant, or is easy to absorb water, or has a poor thermal insulation effect and poor stability.
The third technical problem to be solved by the invention is to provide an outer layer decorative board which has high strength, heat insulation, A2-grade fire resistance, water resistance, weather resistance and low cost, so as to overcome the defects of poor strength, moisture absorption and weather resistance of calcium silicate boards.
In order to solve one of the above technical problems, the technical scheme adopted by the invention is as follows:
a heat insulation and decoration integrated plate comprises a heat insulation plate and an outer layer decoration plate which are compounded together, wherein,
the insulation board is provided with a skeleton structure, and a modifier and an inorganic cementing material which are dispersedly coated in the skeleton structure; the polystyrene foam particle modified inorganic cementing material comprises 6-10 parts by weight of a skeleton structure and 5-20 parts by weight of a modifier, wherein the inorganic cementing material is prepared by mixing at least the following components: 70-120 parts of main materials, 10-25 parts of small materials, 1-5 parts of additives and 40-50 parts of water; the modifier consists of 1 to 4 weight percent of surfactant, 30 to 50 weight percent of re-dispersible latex powder and 50 to 70 weight percent of water; the main material is cement; the small materials comprise the following components in percentage by weight: 30-40% of slag powder, 30-40% of fly ash, 10-30% of silica fume and 1-5% of water reducing agent; the additive is an organic silicon waterproof agent;
the outer layer decorative plate has a three-layer structure which is respectively composed of two layers of metal plates and a core material positioned between the two layers of metal plates; the core material comprises the following components in parts by weight: 40-80 parts of vinyl acetate-ethylene copolymer emulsion, waterproof acrylic emulsion or modified acrylic emulsion, 300 parts of inorganic core material recycled material, 300 parts of slag powder, 1-6 parts of curing agent and 20-50 parts of water.
In a specific embodiment, the heat-insulating plate is bonded with the outer-layer decorative plate through glue. Preferably, the glue is polyurethane glue.
In a specific embodiment, the edge of the outer layer decorative plate is bent towards the same side, and the folded edge is fixed to form a box shape; the heat insulation plate is embedded into the box; and glue is coated on the surface of the heat insulation plate, which is contacted with the outer-layer decorative plate.
In a specific embodiment, in the heat-insulating board, by weight, 80-90 parts of the main material, 18-22 parts of the minor material, 2-4 parts of the additive, 40-50 parts of water and 7-9 parts of the polystyrene foam particles are used.
In a specific embodiment, in the insulation board, by weight, the main material is 85 parts, the minor material is 20 parts, the additive is 2 parts, the water is 45 parts, and the polystyrene foam particles are 7 parts.
In one embodiment, the material of the polystyrene foam particles is graphite polystyrene. The preferred graphite polystyrene has lower heat conductivity coefficient and better flame retardant effect
In one embodiment, the surfactant is triethanolamine.
In one embodiment, the redispersible latex powder is a water-soluble powder of ethylene-vinyl acetate copolymer.
In a specific embodiment, the core material of the outer decorative plate comprises the following components in parts by weight: 50-70 parts of vinyl acetate-ethylene copolymer emulsion or waterproof acrylic emulsion, 250 parts of inorganic core material recycled material, 250 parts of slag powder, 2-5 parts of curing agent and 30-40 parts of water.
In a specific embodiment, the core material of the outer decorative plate comprises the following components in parts by weight: 60 parts of vinyl acetate-ethylene copolymer emulsion or waterproof acrylic emulsion, 200 parts of inorganic core material reclaimed materials, 200 parts of slag powder, 3 parts of curing agent and 30 parts of water.
In one embodiment, the curing agent is a waterborne polyisocyanate crosslinker.
In one embodiment, the two layers of metal sheets and the core material are combined together by a hot-bonding process.
The invention provides a non-combustible decorative heat-insulation integrated plate, wherein the heat-insulation plate is made of a thermosetting gel polyphenyl material, has good heat-insulation performance and water resistance, can achieve the A2-grade fireproof effect, and solves the problems that the traditional heat-insulation material is not fireproof, or rock wool materials are low in strength and easy to absorb water. Outer decorative board, a A2 level fire prevention metal composite panel, this material is sandwich structure, middle core plays thermal-insulated fire prevention effect, the outside is two-layer for sheet metal, play the decorative effect, it is in the same place to compound through the hot process of pasting, also reach A2 level fire prevention equally, and have waterproof, performance such as resistant time concurrently, the sheet metal surface can adopt the PVDF coating in addition, has splendid weatherability, can guarantee that the decades do not fade, solve calcium silicate board and absorb the moisture and fade the scheduling problem. Combine inside heated board and outer decorative board together, at the prefabricated shaping of mill, can directly go up the wall installation to the job site, the simple operation, construction cycle is short, but greatly reduced installation cost.
In order to solve the second technical problem, the invention adopts the technical scheme that:
an insulation board is provided with a skeleton structure, and a modifier and an inorganic cementing material which are dispersedly coated in the skeleton structure; the polystyrene foam particle composite material comprises, by weight, 6-10 parts of polystyrene foam particles and 5-20 parts of a modifier, wherein an inorganic cementing material is prepared by mixing at least the following components: 70-120 parts of main materials, 10-25 parts of small materials, 1-5 parts of additives and 40-50 parts of water;
the modifier consists of 1 to 4 weight percent of surfactant, 30 to 50 weight percent of re-dispersible latex powder and 50 to 70 weight percent of water; the main material is cement; the small materials comprise the following components in percentage by weight: 30-40% of slag powder, 30-40% of fly ash, 10-30% of silica fume and 1-5% of water reducing agent; the additive is an organosilicon waterproofing agent.
Preferably, the main material is 80-90 parts by weight, the small material is 18-22 parts by weight, the additive is 2-4 parts by weight, the water is 40-50 parts by weight, and the polystyrene foam particles are 7-9 parts by weight.
Preferably, the main material is 85 parts by weight, the small material is 20 parts by weight, the additive is 2 parts by weight, the water is 45 parts by weight, and the polystyrene foam particles are 7 parts by weight.
Specifically, the polystyrene foam particles are made of graphite polystyrene. Graphite polystyrene is preferred, and the heat conductivity coefficient is lower, and the flame retardant effect is better.
Specifically, the surfactant is triethanolamine.
Specifically, the cement is portland cement, ordinary portland cement, or composite portland cement. The strength rating of the cement was 52.5. Preferably, the cement is portland cement.
Specifically, the silica fume is silicon dioxide micropowder. The silica micropowder can be recovered by an electric furnace. Preferably, the silica content in the silica fume is more than 90%.
Specifically, the water reducing agent is a polycarboxylic acid water reducing agent. The water reducing agent is a concrete admixture capable of reducing the mixing water consumption.
Preferably, the redispersible latex powder is a water-soluble powder of ethylene-vinyl acetate copolymer.
In the insulation board provided by the invention, the functional effects of each component are different from those of the traditional method in that:
1. the skeleton structure of the insulation board takes cement as a main material. The cement serves as the main constituent of the cementitious component, providing strength, and uniformly coating the polystyrene foam particles to form a fire barrier.
2. The polystyrene foam particles mainly play a role in heat preservation, and simultaneously can adjust the density of the heat preservation plate to be kept at 200kg/m 3 Within.
3. Because the polystyrene particles are a non-polar hydrophobic material, and the cement paste belongs to a polar inorganic hydrophilic system, the polystyrene particles and the cement paste cannot be easily wetted, the interface bonding force is weak, the particle layering phenomenon is easy to occur in the stirring process, and the dispersion cannot be well realized. The traditional manufacturing method improves the compatibility of polystyrene particles and inorganic cementing materials by adding the redispersible latex powder, but the addition of the latex powder is too little, the improvement effect is not obvious, the addition is too much, the cost is increased, and the A-grade fireproof performance is influenced. The quantitative rubber powder cannot achieve the effect of completely coating cement on polyphenyl particles, and a plurality of incompletely coated particles appear in a final finished product, so that the A2 grade heat value detection does not reach the standard directly, and the problems of uneven density and unstable heat conductivity coefficient are caused. The surface of the polyphenyl particle is wetted in advance by adding the modifier in advance, selecting triethanolamine (considering the economical efficiency and application effect) and the synergistic effect of the triethanolamine and the rubber powder, so that the surface hydrophilicity of the polyphenyl particle is improved. In the subsequent stirring process, the polyphenyl granules can be quickly wetted by the cement slurry in a short time, and a complete and uniform coating effect is achieved, so that the A2-grade fireproof standard is really achieved, and the quality stability is improved. Meanwhile, the stirring time of the mixture is reduced, and the production efficiency is improved.
4. The addition of the organosilicon waterproofing agent can reduce the water absorption of the whole product and ensure that the water absorption index is in a reasonable range.
5. The addition of the small materials has the effects of reducing the cost and improving the cement gel strength.
In order to solve the third technical problem, the invention adopts the technical scheme that:
an outer layer decorative plate has a three-layer structure which is respectively a two-layer metal plate and a core material positioned between the two-layer metal plate; the core material is obtained by mixing at least the following components:
40-80 parts of vinyl acetate-ethylene copolymer emulsion (VAE emulsion), waterproof acrylic emulsion or modified acrylic emulsion, 300 parts of inorganic core material recycled material, 300 parts of slag powder, 1-6 parts of curing agent and 20-50 parts of water.
In one embodiment, the core material is obtained by mixing the following components: 50-70 parts of vinyl acetate-ethylene copolymer emulsion or waterproof acrylic emulsion, 250 parts of inorganic core material recycled material, 250 parts of slag powder, 2-5 parts of curing agent and 30-40 parts of water.
In one embodiment, the core material is obtained by mixing the following components: 60 parts of vinyl acetate-ethylene copolymer emulsion or waterproof acrylic emulsion, 200 parts of inorganic core material reclaimed materials, 200 parts of slag powder, 3 parts of curing agent and 30 parts of water.
In one embodiment, the curing agent is a waterborne polyisocyanate crosslinker.
In one embodiment, the two layers of metal sheets and the core material are combined together by a hot-bonding process.
In one embodiment, the surface of at least one of the metal sheets is coated with a PVDF paint.
The outer layer decorative board provided by the invention is composed of three parts, wherein the middle part is a non-combustible core material, and two surfaces are metal plane materials, and the outer layer decorative board is made into a board through a composite process. Different from the traditional A-level fireproof metal composite board, the outer-layer decorative board for the heat-insulation integrated board has low cost and certain heat-insulation performance while achieving A-level fireproof. The heat-insulating integrated plate is applied to civil buildings more times, and has market competitiveness only by reducing the material cost. The conventional A-grade fireproof metal composite plate has higher selling price, so a preparation method different from the traditional composite plate is required to be used, and the cost is reduced.
The difference between the functional functions of each component of the outer decorative plate provided by the invention and the functions of the traditional method is as follows:
1. slag powder is used as a filler to replace calcium carbonate powder in the traditional preparation method. The blast furnace slag powder is waste generated in the steel-making process, is low in price and easy to obtain, and the calcium carbonate is mined from ores and belongs to non-renewable resources. The slag powder is added into the existing system, the concept of green and environment-friendly sustainable development is met, and the cost can be reduced while changing waste into valuable. The blast furnace slag powder has good compatibility with emulsion, has lower heat conductivity coefficient and better high temperature resistance and heat insulation performance compared with calcium carbonate, and the composite board made of the blast furnace slag powder has lower heat conductivity than the common composite board and is more suitable for being used on an integrated board.
2. The inorganic core material reclaimed materials are leftover materials and waste materials generated in the process of manufacturing A2-grade fireproof core rolls. After crushing and grinding, the internal flame-retardant components are not changed, and the flame-retardant effect can still be achieved, so that no flame retardant is additionally added in the system. The gelling component present inside the recycled material can also play a certain auxiliary reinforcing role. The addition of the return materials can reduce the addition amount of the emulsion by 5 to 10 percent. The feed back only has processing cost, and the cost is lower. By the method, the problem that a large amount of waste materials are accumulated and cannot be treated is solved, and the manufacturing cost can be greatly reduced.
3. The curing agent is a water-based polyisocyanate crosslinking agent, and isocyanate groups released by the curing agent in a heating state react with hydroxyl, carboxyl and other groups on a molecular chain of the water-based emulsion to form a crosslinking structure, so that the film forming strength and the water resistance are improved. The addition of the curing agent can reduce the addition amount of the emulsion by 10-15%, but the strength is kept unchanged, thereby further realizing the cost reduction effect.
4. According to the formula, the addition amount of the emulsion is reduced, and the main materials are formed by recycling waste materials, so that the total cost is reduced by about 30% compared with that of a traditional A-level fireproof metal composite plate, and the heat conductivity coefficient is reduced by 50% compared with that of the traditional composite plate.
The invention also provides a preparation method of the insulation board, which comprises the following steps:
firstly, preparing a modifier, and mixing and stirring the surfactant, the redispersible latex powder and water uniformly to prepare a modified solution.
Secondly, spraying the modifying solution on the polystyrene particles while stirring, so that the modifying solution uniformly wets the surface of each particle
Thirdly, taking cement, small materials and an organic silicon waterproof agent according to the weight parts, adding a proper amount of water, and uniformly stirring in advance to obtain slurry
Fourthly, the slurry is evenly stirred with the wetted polyphenyl granules for 3 to 5 minutes to obtain a mixture (the stirring time can be shortened after the slurry is wetted in advance)
And fifthly, putting the mixture into a special pressing mold box, uniformly pressing and pressing for forming, and demolding and maintaining after 10-12 hours to obtain the heat-insulating plate with consistent uniformity.
The invention also provides a preparation method of the outer decorative plate, which comprises the following steps:
1) mixing the components in parts by weight, and stirring to obtain a slurry;
2) forming a plate by the slurry obtained in the step 1 through extrusion equipment and a support system, and baking and curing the plate through a hot air device;
3) and (3) compounding the cured plate obtained in the step (2) with two layers of metal plates through a hot pasting device to obtain the outer layer decorative plate. The outer decorative plate can be trimmed and cut into plates with different sizes.
The invention also provides a preparation method of the heat-insulation and decoration integrated plate, which comprises the following steps:
1) bending the edge of the outer layer decorative plate to the same side, and fixing the folded edge to form a box;
2) embedding the heat insulation board into a box; and glue is coated on the surface of the heat insulation plate, which is contacted with the outer-layer decorative plate.
In a specific embodiment, the outer decorative plate is square, four sides are grooved and bent, four corners are cut off, and a box shape is manufactured.
In a specific embodiment, four corners of the box are connected by L-shaped aluminum alloy corner connectors and are fixed by rivets, so that the folded edge part is firmly shaped.
In a specific embodiment, the glue is a polyurethane glue.
In a specific embodiment, an L-shaped aluminum alloy corner brace is arranged on the side face of the folded edge, and the corner brace is fixedly connected with the outer-layer decorative plate through rivets.
In a specific embodiment, in step 1, the width of the folded edge is 20-35 mm.
The noun explains:
slag powder: is granulated blast furnace slag powder, is industrial solid waste slag and can be used as concrete admixture. Granulated blast furnace slag meeting the GB/T203 standard is dried and ground into powder with relatively high fineness and relatively high activity index. Reference may be made to the national standard GBT-18046-2017 "granulated blast furnace slag powder for use in cement, mortar and concrete".
Fly ash: is fine ash collected from flue gas generated after coal combustion, and the fly ash is main solid waste discharged from a coal-fired power plant. The main oxides of the fly ash of the thermal power plant in China comprise: SiO 2 2 、Al 2 O 3 、FeO、Fe 2 O 3 、CaO、TiO 2 And the like. Can refer to national standard GBT-1596 & 2017 fly ash for cement and concrete
An organosilicon waterproofing agent: a waterproof material is used for spraying (or painting) on the surface of a building, a layer of colorless transparent ultraviolet-resistant breathable film which can not be detected by naked eyes can be formed on the surface of the building, when rainwater blows on the waterproof material or meets humid air, water drops can naturally flow to prevent water from invading, and meanwhile, dust on the surface of the building can be flushed clean, so that the effects of preventing moisture and mildew of an inner wall, cleaning an outer wall, preventing weathering and the like are achieved. The organosilicon waterproofing agent has two properties: aqueous and oily.
Inorganic core material reclaimed materials: the scrap and waste materials generated in the process of manufacturing A2-grade fireproof core rolls. After being crushed and ground, the flame-retardant polypropylene composite material is used as a cheap filling material and has a flame-retardant effect. The main components of the inorganic core material reclaimed material generally comprise: acrylic emulsion (or VAE emulsion), calcium carbonate, silicon micropowder, quartz sand, glass fiber, aluminum hydroxide, magnesium hydroxide and silicon dioxide.
Detailed Description
The technical solutions of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
EXAMPLES preparation of an insulating plate
The preparation method of the A-level thermosetting gel polyphenyl insulation board specifically comprises the following steps:
1. weighing 70-120 parts of cement, 10-25 parts of small materials (comprising 30-40% of slag powder, 30-40% of fly ash, 10-30% of silica fume, 1-5% of water reducing agent), 1-5 parts of organosilicon waterproofing agent and a proper amount of water (40-50 parts) according to the parts by weight, and fully and uniformly stirring by using a dispersion machine to obtain the slurry.
2. And (2) uniformly stirring the slurry obtained in the step (1) with 6-10 parts of polystyrene particles and 5-10 parts of a modifier (1-4% of a surfactant, 30-50% of redispersible latex powder and 50-70% of water) for about 3-5 minutes to obtain a mixture.
3. And (3) putting the mixture obtained in the step (2) into a pressing die for pressing and forming. Demoulding and maintaining after 10-12 hours.
4. And cutting the heat insulation plate formed by maintenance into plates with fixed sizes for later use.
EXAMPLES Effect of Styrofoam pellets on insulating Properties
The influence of the styrene foam particles on the thermal insulation performance was investigated on the basis of the preparation method of example one. When the polystyrene foam particles are less than 6 parts, the thermal conductivity coefficient of the insulation board exceeds 0.05W/(m.K), and the material density also exceeds 200Kg/m 3 However, the A2 fire protection index of the material is lower in calorific value. When the amount of the particles exceeds 10 parts, the thermal conductivity and the density are low, but the heat value exceeds 3.0MJ/kg, and the A2 grade standard cannot be achieved.
Figure BDA0002359075770000071
EXAMPLE three preparation of exterior trim panels
1. Weighing the components according to the parts by weight, wherein 40-80 parts of vinyl acetate-ethylene copolymer emulsion, waterproof acrylic emulsion or modified acrylic emulsion, 300 parts of inorganic core material recycled material, 300 parts of blast furnace slag powder, 1-6 parts of curing agent and 20-50 parts of water are stirred to prepare the slurry.
2. And (3) forming the slurry through extrusion equipment and a support system.
3. And baking and curing by a hot air device.
4. The metal sheets are compounded by a hot-pasting device.
5. Trimming and cutting the blank into a plate with a fixed size.
Wherein, the addition amount of the curing agent is 4 to 6 percent of the mass part of the emulsion. The larger the amount added, the better the core strength (in terms of peel strength), but the higher the cost.
Figure BDA0002359075770000081
EXAMPLE four preparation of Heat-insulating decorative Integrated Board
1. And (4) slotting and bending four edges of the outer decorative plate obtained in the third embodiment, cutting four corners, and making into a box, wherein the folded edge width is 20-35 mm.
2. Four angles of box use the L type aluminum alloy little angle sign indicating number that thickness is 2mm to connect to fix with the rivet, make the firm design in hem position.
3. And (3) coating a layer of glue on the blocky insulation board prepared in the first embodiment by using a glue coating machine. The glue is polyurethane glue.
4. And putting the insulation board coated with the glue into the box-shaped composite board, and bonding and combining the insulation board and the box-shaped composite board together through the glue.
5. The big angle sign indicating number of hem side-mounting L type aluminum alloy, thickness are 2mm, use the rivet equally to be connected fixedly with the composite sheet with big angle sign indicating number. The other end of the large corner connector is provided with a hole with the diameter of 10mm, is directly contacted with the wall body and is used for fixing an adjustable expansion bolt and anchoring the integrated plate on the wall body.
The heat-insulating and decorating integrated plate provided by the invention can be applied to various newly-built external heat-insulating systems of external walls and various old houses for transforming the external heat-insulating systems of the external walls, and has the characteristics of high fire-proof grade, good heat-insulating property, high weather resistance and stability, low cost, convenience in installation and the like.
The internal heat-insulating material and the external decorative material both reach the A2 classification standard in the state GB8624-2012, and the problem that the traditional heat-insulating material is not fireproof is solved. Besides excellent fireproof performance, the heat conductivity coefficient of the product is less than or equal to 0.045W/(m.K), and the heat conductivity coefficient is basically equal to the low heat conductivity of the polystyrene board; other indexes, density is less than or equal to 200Kg/m 3 The compressive strength is more than or equal to 0.2Mpa, the water absorption is less than or equal to 8 percent, the softening coefficient is more than or equal to 0.7, and the strength and the heat preservation performance are not influenced even if the material is corroded by moisture。
The internal heat-insulating material and the external decorative material reach A2 level, and the burning performance indexes are as follows:
Figure BDA0002359075770000091
in summary, the above-mentioned embodiments are merely preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (15)

1. A heat-insulating and decorating integrated plate is characterized by comprising a heat-insulating plate and an outer-layer decorating plate which are compounded together, wherein,
the insulation board is provided with a skeleton structure, and a modifier and an inorganic cementing material which are dispersedly coated in the skeleton structure; the skeleton structure is polystyrene foam particles, the polystyrene foam particles are 6-10 parts by weight, the modifier is 5-20 parts by weight, and the inorganic cementing material is prepared by mixing the following components: 70-120 parts of main materials, 10-25 parts of small materials, 1-5 parts of additives and 40-50 parts of water; the modifier consists of 1 to 4 weight percent of surfactant, 30 to 50 weight percent of re-dispersible latex powder and 50 to 70 weight percent of water, the sum of the weight percent of the components of the modifier is 100 percent, and the surfactant is triethanolamine; the main material is cement; the small materials comprise the following components in percentage by weight: 30-40% of slag powder, 30-40% of fly ash, 10-30% of silica fume and 1-5% of water reducing agent, wherein the sum of the weight ratios of the components of the small materials is 100%; the additive is an organosilicon waterproofing agent;
the preparation method of the heat insulation board comprises the following steps:
firstly, mixing and stirring the surfactant, the redispersible latex powder and water in parts by weight uniformly to prepare a modifier;
secondly, spraying the modifier obtained in the first step on the polystyrene foam particles in parts by weight, and stirring while spraying to enable the modifier to uniformly wet the surface of each particle;
taking the main material, the small material, the organosilicon waterproofing agent and the water according to the weight parts, and stirring uniformly in advance to obtain slurry;
step four, uniformly stirring the slurry obtained in the step three and the wetted polystyrene foam particles obtained in the step two for 3-5 minutes to obtain a mixture;
fifthly, putting the mixture obtained in the fourth step into a pressing mold box, uniformly pressing for pressing and forming, and demolding and maintaining after 10-12 hours to obtain a heat insulation board with uniform uniformity;
the outer layer decorative plate has a three-layer structure, namely two layers of metal plates and a core material positioned between the two layers of metal plates; the core material comprises the following components in parts by weight: 40-80 parts of emulsion, 300 parts of inorganic core material recycled material, 300 parts of slag powder, 1-6 parts of curing agent and 20-50 parts of water, wherein the curing agent is a water-based polyisocyanate cross-linking agent; the emulsion is selected from vinyl acetate-ethylene copolymer emulsion and waterproof acrylic emulsion;
the preparation method of the outer decorative plate comprises the following steps:
1) mixing the components in parts by weight, and stirring to obtain a slurry;
2) forming the slurry obtained in the step 1) into a plate through extrusion equipment and a support system, and baking and curing through a hot air device;
3) and (3) compounding the cured plate obtained in the step 2) with two layers of metal plates through a hot pasting device to obtain an outer layer decorative plate.
2. The heat-insulating and decorating integrated plate as claimed in claim 1, wherein the heat-insulating plate comprises 80-90 parts by weight of main material, 18-22 parts by weight of small material, 2-4 parts by weight of additive, 40-50 parts by weight of water and 7-9 parts by weight of polystyrene foam particles.
3. The heat-insulating decorative integrated board according to claim 2, wherein the heat-insulating board comprises 85 parts of main materials, 20 parts of small materials, 2 parts of additives, 45 parts of water and 7 parts of polystyrene foam particles.
4. The integrated thermal insulating decorative panel as claimed in claim 1, wherein the material of the polystyrene foam particles is graphite polystyrene.
5. The integrated insulation and decoration board as claimed in claim 1, wherein the re-dispersible latex powder is a water-soluble powder of an ethylene-vinyl acetate copolymer.
6. The insulated decorative integrated board of claim 1, wherein the cement is portland cement and has a strength rating of 52.5.
7. The integrated heat-insulating decorative board according to claim 1, wherein the silica fume is a fine silica powder having a silica content of 90% or more.
8. The heat insulating and decorative integrated board according to claim 1, wherein the water reducing agent is a polycarboxylic acid water reducing agent.
9. The heat-insulating decorative integrated board according to claim 1, wherein the core material comprises the following components in parts by weight: 50-70 parts of emulsion, 150-250 parts of inorganic core material reclaimed materials, 250 parts of slag powder, 2-5 parts of curing agent and 30-40 parts of water.
10. The heat-insulating decorative integrated board according to claim 1, wherein the core material comprises the following components in parts by weight: 60 parts of emulsion, 200 parts of inorganic core material reclaimed materials, 200 parts of slag powder, 3 parts of curing agent and 30 parts of water.
11. The integrated heat insulation and decoration board according to claim 1, wherein the heat insulation board is bonded with the outer decoration board through glue; the glue is polyurethane glue.
12. The integrated heat-insulating decorative board as claimed in claim 1, wherein the edges of said outer decorative boards are folded toward the same side to fix the folded edges to form a box shape; the heat insulation plate is embedded into the box; and glue is coated on the surface of the heat insulation plate, which is contacted with the outer-layer decorative plate.
13. The method for producing the heat-insulating decorative integrated board according to claim 1, comprising the steps of:
1) bending the edge of the outer layer decorative plate to the same side, and fixing the folded edge to form a box shape;
2) embedding the heat insulation plate into a box; and glue is coated on the surface of the heat-insulation plate, which is in contact with the outer-layer decorative plate.
14. The heat-insulating board is characterized by comprising a framework structure, and a modifier and an inorganic cementing material which are dispersedly coated in the framework structure; the skeleton structure is polystyrene foam particles, the polystyrene foam particles are 6-10 parts by weight, the modifier is 5-20 parts by weight, and the inorganic cementing material is prepared by mixing the following components: 70-120 parts of main materials, 10-25 parts of small materials, 1-5 parts of additives and 40-50 parts of water;
the modifier consists of 1 to 4 weight percent of surfactant, 30 to 50 weight percent of re-dispersible latex powder and 50 to 70 weight percent of water, the sum of the weight percent of the components of the modifier is 100 percent, and the surfactant is triethanolamine; the main material is cement; the small materials comprise the following components in percentage by weight: 30-40% of slag powder, 30-40% of fly ash, 10-30% of silica fume and 1-5% of water reducing agent, wherein the sum of the weight ratios of the components of the small materials is 100%; the additive is an organosilicon waterproofing agent;
the preparation method of the heat insulation board comprises the following steps:
firstly, mixing and stirring the surfactant, the redispersible latex powder and water in parts by weight uniformly to prepare a modifier;
secondly, spraying the modifier obtained in the first step on the polystyrene foam particles in parts by weight, and stirring while spraying to enable the modifier to uniformly wet the surface of each particle;
taking the main material, the small material, the organosilicon waterproofing agent and the water according to the weight parts, and stirring uniformly in advance to obtain slurry;
step four, uniformly stirring the slurry obtained in the step three and the wetted polystyrene foam particles obtained in the step two for 3-5 minutes to obtain a mixture;
and fifthly, putting the mixture obtained in the fourth step into a pressing mold box, uniformly pressing for pressing and forming, and demolding and maintaining after 10-12 hours to obtain the insulation board with uniform uniformity.
15. An outer layer decorative plate is characterized by having a three-layer structure which is respectively composed of two layers of metal plates and a core material positioned between the two layers of metal plates; the core material comprises the following components in parts by weight:
40-80 parts of emulsion, 100-300 parts of inorganic core material reclaimed materials, 300 parts of slag powder, 1-6 parts of curing agent and 20-50 parts of water, wherein the curing agent is a water-based polyisocyanate crosslinking agent; the emulsion is selected from vinyl acetate-ethylene copolymer emulsion and waterproof acrylic emulsion;
the preparation method of the outer layer decorative plate comprises the following steps:
1) mixing the components in parts by weight, and stirring to obtain a slurry;
2) forming the slurry obtained in the step 1) into a plate through extrusion equipment and a support system, and baking and curing through a hot air device;
3) and (3) compounding the cured plates obtained in the step 2) with two layers of metal plates through a hot bonding device to obtain the outer layer decorative plate.
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