CN112811872A - Efficient heat-insulation light ceramsite wallboard and preparation process thereof - Google Patents
Efficient heat-insulation light ceramsite wallboard and preparation process thereof Download PDFInfo
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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
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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
- 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
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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
- 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
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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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
- 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
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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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
Abstract
The invention provides a high-efficiency heat-insulation light ceramsite wallboard and a preparation process thereof, wherein the wallboard comprises the following components in parts by weight: 550 parts of cementing material 420-; the method has the advantages that the raw materials are selected and prepared in a targeted optimization manner, the formed ceramsite wallboard is high in strength, low in shrinkage rate, remarkably improved in comprehensive mechanical property, and lasting and stable in overall performance, and is worthy of market popularization and application.
Description
Technical Field
The invention relates to the technical field of light wallboards, in particular to a high-efficiency heat-insulation light ceramsite wallboard and a preparation process thereof.
Background
The industrial prefabrication and assembly construction of housing parts is an important mark for the modernization of housing industry, and because the light wall boards are neat in specification and size and easy to form, the mechanical production efficiency is high, and the light partition boards are large in size, large in module and good in integrity, can be assembled and installed, and are high in construction efficiency, the light wall boards are taken as the first-choice inner wall products for housing industrialization at home and abroad at present and are widely applied to building engineering.
In order to save energy, the existing light wall board needs to consider the problem of heat insulation, the currently adopted mode is that the heat insulation material is directly pasted outside the wall body, while the heat insulation material of the outer wall is mostly made of polystyrene board (EPS) board and other materials, the materials are lipid materials, the burning point is low, and the fireproof effect cannot be achieved; and because the pasting part is blown by wind and rain for a long time, the wallboard is easy to fall off after long-time use.
In order to solve the problems, a concrete sandwich plate is generally adopted and consists of concrete surface layers on two sides and a middle heat-insulating layer, and the wallboard is directly used for construction after being manufactured, so that the problem that the heat-insulating material is adhered to the outer part of a wall body and is easy to fall off is solved. When the wall board is used, the common concrete is adopted, and the hoisting, transportation and installation processes of the wall board extrude the middle heat-insulating layer due to the large dead weight of the common concrete, so that the wall body is easy to crack, a concrete surface layer can fall off under serious conditions, and the application of the composite wall board is limited due to the problems.
Disclosure of Invention
In view of the above, the invention aims to provide a high-efficiency heat-insulation light-weight ceramsite wallboard and a preparation process thereof, wherein the raw materials are selected and prepared in a targeted optimization manner, and the formed ceramsite wallboard has the advantages of high strength, heat insulation, low shrinkage, remarkably improved comprehensive mechanical property, lasting and stable overall performance, and is worthy of market popularization and application.
In order to achieve the purpose, the invention provides the following technical scheme:
the efficient heat-insulation light ceramsite wallboard comprises the following components in parts by weight: 550 parts of cementing material 420-; wherein, the cementing material comprises PC42.5 cement and fly ash, the lightweight aggregate comprises hollow ceramsite, vitrified micro-bead, furnace slag and river sand, and the composite gel powder comprises thermoplastic resin powder, composite fiber and an activating agent; the composite foaming agent comprises hydrolyzed animal protein, n-pentane and a surfactant; the water reducing agent is a polycarboxylic acid high-efficiency water reducing agent or a naphthalene water reducing agent.
As further optimization of the invention, the mass ratio of PC42.5 cement to fly ash in the cementing material is 1: 0.1-0.2; the weight ratio of the hollow ceramsite to the vitrified micro-bead to the furnace slag to the river sand in the lightweight aggregate is 1: 0.5-1:0.2-0.5: 0.8-1.2; the mass ratio of the thermoplastic resin powder, the composite fiber and the activating agent in the composite gel powder is 1:1.6-1.8: 0.05-0.2; the mass ratio of the hydrolyzed animal protein, the n-pentane and the surfactant in the composite foaming agent is 1:0.5-0.8: 0.08-0.15.
As further preferred in the invention, the light aggregate is hollow ceramsite with the particle size of 5-15mm and the volume weight of 360-450kg/m3The cylinder pressure strength is 6.6-8.2 MPa; the particle diameter of the vitrified micro bubbles is 2-4mm, the volume weight is 110-3(ii) a The specific surface area of the slag is 380-420m2Per kg; the river sand fineness modulus is 2.0-2.8, wherein the fine sand accounts for 8-15 wt%.
In a further preferred embodiment of the present invention, the thermoplastic resin powder is a powder obtained by mixing thermoplastic resin powder and thermosetting resin powder in a mass ratio of 1: 0.1-0.2 of phenolic resin and organic silicon modified terpene resin, wherein the composite fiber is a mixture of glass fiber and sepiolite fiber in a mass ratio of 1:0.3, and the activating agent is a silane coupling agent.
The invention is further preferably prepared by taking the composite gel powder according to the mass ratio, adding a proper amount of water into the thermoplastic resin powder, mixing into a thin paste, heating to 80-90 ℃, and stirring for 30 min; blending the composite fiber and the activating agent, then adding the mixture into the pasty resin powder under the stirring condition, cooling to 60 ℃, stirring and mixing at 1000rpm for 20-60min, drying and crushing until the mixture is sieved by a 100-mesh sieve.
As a further preferred aspect of the present invention, in the composite foaming agent, the hydrolyzed animal protein is selected from animal keratin, and the surfactant is a mixture of the following components in a mass ratio of 1:0.5: 0.5 of a polyvinylpyrrolidone, vinyldistearamide, isooctanol phosphate composition.
As further preferred in the invention, the preparation process of the high-efficiency heat-insulation light ceramsite wallboard comprises the following steps:
1) taking materials according to the parts by weight, blending the composite gel powder with a proper amount of mixing water, stirring and mixing for 3-5min at 80-100rpm, then adding aggregate, and continuously stirring and mixing for 5-10min to obtain a first mixed material;
2) blending the modified polyphenyl particles with a cementing material, blending with the rest blending water, stirring and mixing at 150rpm for 3-5min, and adding a water reducing agent in the stirring and mixing process to obtain a second mixed material;
3) adding the composite foaming agent into the first mixed material, stirring and mixing at 180-;
4) and (4) feeding the slurry into a grouting machine, casting and molding in a mold, and sequentially carrying out double curing to finally obtain a finished wallboard product.
As further optimization of the invention, the dosage of the blending water in the step 1) is 30-40% of the mass of the composite gel powder.
More preferably, in the step 4), the double curing is carried out by first carrying out primary autoclaved curing in a mold for 3-5h, then opening the mold and removing the plate, and then carrying out secondary autoclaved curing for 6-15h, wherein the two times of autoclaving are respectively 160 ℃ saturated vapor pressure and 200 ℃ saturated vapor pressure.
The invention has the beneficial effects that: the invention optimizes the selection and preparation of raw materials in a targeted manner, and the formed ceramsite wallboard has the advantages of high strength, heat preservation, low shrinkage rate, remarkably improved comprehensive mechanical property, lasting and stable integral performance and is worthy of market popularization and application.
The self-made composite gel powder compounded gel material has an excellent rheological-promoting bonding effect, has good chemical reaction bonding connection reaction besides concrete hydration solidification, and fiber reinforcement is simultaneously used as a connection bridge frame to fully mix inorganic and organic (high polymer resin) components, so that nucleation reinforcement is realized, and the mechanical property of the light wallboard is greatly improved. In the preparation process, the lightweight aggregate and the composite gel powder are firstly subjected to blending reaction, and the thermoplastic resin powder is used for coating and activating the hollow ceramsite, the vitrified micro bubbles and the like, so that on one hand, the dispersion fluidity of the aggregate is improved, on the other hand, the bonding interface tension between the thermoplastic resin powder and the gel material is also obviously reduced, the structure is stable and compact in interior during curing and forming, and the impact resistance and the stripping resistance are obviously improved.
The composite foaming agent is compounded, catalytic components are effectively differentiated and matched with modified polyphenyl particles in the concrete pulping process, the foaming heat preservation effect of the product is greatly improved, meanwhile, the composite foaming agent is matched with a gel material, a formed foaming porous structure is connected with a high-activity flexible molecule blending reaction, in the hydration heat release process, filling and embedding are carried out, a water loss gap after curing and curing is reinforced and filled, a stable high-strength space porous structure is formed, the buffering effect is good, the compression resistance and the impact resistance are realized, meanwhile, the excellent energy dissipation and noise reduction effects are realized, and the overall performance is obviously improved.
The preparation process comprises dual steam-pressure curing, wherein the steam-pressure promotes the activation of the coal ash, the hydration depth is accelerated, the progressive curing is performed, the uniformity and the stability of a hydrated crystal form are effectively improved, the hydrated crystal form is different from natural curing, the hydrated crystal form shrinks in advance, the structure is tightly combined, the problem of dry shrinkage cracks is effectively solved, and the integral forming curing effect is strong.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.
Example 1:
the efficient heat-insulation light ceramsite wallboard comprises the following components in parts by weight: 550 parts of cementing material 420-; wherein, the cementing material comprises PC42.5 cement and fly ash, the lightweight aggregate comprises hollow ceramsite, vitrified micro-bead, furnace slag and river sand, and the composite gel powder comprises thermoplastic resin powder, composite fiber and an activating agent; the composite foaming agent comprises hydrolyzed animal protein, n-pentane and a surfactant; the water reducing agent is a polycarboxylic acid high-efficiency water reducing agent or a naphthalene water reducing agent.
Example 2:
the preparation process of the efficient heat-insulation light ceramsite wallboard based on the embodiment 1 comprises the following steps:
1) taking materials according to the weight parts, blending the composite gelling powder with a proper amount of mixing water (30-40% of the mass of the composite gelling powder), stirring and mixing at 80-100rpm for 3-5min, then adding the aggregate, and continuously stirring and mixing for 5-10min to obtain a first mixed material;
2) blending the modified polyphenyl particles with a cementing material, blending with the rest blending water, stirring and mixing at 150rpm for 3-5min, and adding a water reducing agent in the stirring and mixing process to obtain a second mixed material;
3) adding the composite foaming agent into the first mixed material, stirring and mixing at 180-;
4) and (3) feeding the slurry into a grouting machine, casting and molding in a mold, and performing double curing in sequence to obtain a finished wallboard product, wherein the double curing is specifically that primary autoclaved curing is performed in the mold for 3-5h, then the mold is opened, the wallboard is taken out, secondary autoclaved curing is performed for 6-15h, and the two times of autoclaving are performed with the saturated vapor pressure of 160 ℃ and the saturated vapor pressure of 200 ℃ in sequence.
Example 3:
based on the high-efficiency heat-insulation light-weight ceramsite wallboard and the preparation process thereof given in the embodiments 1 and 2, a detailed example is further given:
the high-efficiency heat-insulation light ceramsite wallboard comprises the following components in parts by weight: 510 parts of a cementing material, 2650 parts of aggregate, 185 parts of composite gel powder, 60 parts of modified polyphenyl particles, 55 parts of a composite foaming agent, 6.5 parts of a water reducing agent and 225 parts of mixing water; wherein, the cementing material comprises PC42.5 cement and fly ash, the lightweight aggregate comprises hollow ceramsite, vitrified micro-bead, furnace slag and river sand, and the composite gel powder comprises thermoplastic resin powder, composite fiber and an activating agent; the composite foaming agent comprises hydrolyzed animal protein, n-pentane and a surfactant; the water reducing agent is a polycarboxylic acid high-efficiency water reducing agent or a naphthalene water reducing agent.
The mass ratio of PC42.5 cement to fly ash in the cementing material is 1: 0.1; the weight ratio of the hollow ceramsite to the vitrified micro-bead to the furnace slag to the river sand in the lightweight aggregate is 1: 0.5:0.3: 1;
the hollow ceramsite has the particle size of 5-15mm and the volume weight of 360-450kg/m3The cylinder pressure strength is 6.6-8.2 MPa; the particle diameter of the vitrified micro bubbles is 2-4mm, the volume weight is 110-3(ii) a The specific surface area of the slag is 380-420m2Per kg; the fineness modulus of the river sand is 2.0-2.8,wherein the fine sand accounts for 8-15 wt%.
The mass ratio of the thermoplastic resin powder, the composite fibers and the activating agent in the composite gel powder is 1:1.7: 0.1;
and the thermoplastic resin powder is prepared from the following components in a mass ratio of 1: 0.15 of phenolic resin and organic silicon modified terpene resin, wherein the composite fiber is a mixture of glass fiber and sepiolite fiber in a mass ratio of 1:0.3, and the activating agent is a silane coupling agent.
Further, the composite gel powder is prepared by taking materials according to the mass ratio, adding a proper amount of water into thermoplastic resin powder, stirring into a thin paste, heating to 80-90 ℃, and stirring for 30 min; blending the composite fiber and the activating agent, then adding the mixture into the pasty resin powder under the stirring condition, cooling to 60 ℃, stirring and mixing at 1000rpm for 20-60min, drying and crushing until the mixture is sieved by a 100-mesh sieve.
The mass ratio of the hydrolyzed animal protein, the n-pentane and the surfactant in the composite foaming agent is 1:0.6: 0.12.
And the hydrolyzed animal protein is selected from animal keratin, and the mass ratio of the surface active agent is 1:0.5: 0.5 of a polyvinylpyrrolidone, vinyldistearamide, isooctanol phosphate composition.
Example 4:
based on the high-efficiency heat-insulation light-weight ceramsite wallboard and the preparation process thereof given in the embodiments 1 and 2, a detailed example is further given:
the high-efficiency heat-insulation light ceramsite wallboard comprises the following components in parts by weight: 550 parts of a cementing material, 2700 parts of aggregate, 160 parts of composite gel powder, 70 parts of modified polyphenyl particles, 55 parts of a composite foaming agent, 5 parts of a water reducing agent and 200 parts of mixing water; wherein, the cementing material comprises PC42.5 cement and fly ash, the lightweight aggregate comprises hollow ceramsite, vitrified micro-bead, furnace slag and river sand, and the composite gel powder comprises thermoplastic resin powder, composite fiber and an activating agent; the composite foaming agent comprises hydrolyzed animal protein, n-pentane and a surfactant; the water reducing agent is a polycarboxylic acid high-efficiency water reducing agent or a naphthalene water reducing agent.
The mass ratio of PC42.5 cement to fly ash in the cementing material is 1: 0.15; the weight ratio of the hollow ceramsite to the vitrified micro-bead to the furnace slag to the river sand in the lightweight aggregate is 1: 1:0.2: 1.2;
the hollow ceramsite has the particle size of 5-15mm and the volume weight of 360-450kg/m3The cylinder pressure strength is 6.6-8.2 MPa; the particle diameter of the vitrified micro bubbles is 2-4mm, the volume weight is 110-3(ii) a The specific surface area of the slag is 380-420m2Per kg; the river sand fineness modulus is 2.0-2.8, wherein the fine sand accounts for 8-15 wt%.
The mass ratio of the thermoplastic resin powder, the composite fibers and the activating agent in the composite gel powder is 1:1.6: 0.2;
and the thermoplastic resin powder is prepared from the following components in a mass ratio of 1:0.2 of phenolic resin and organic silicon modified terpene resin, wherein the composite fiber is a mixture of glass fiber and sepiolite fiber in a mass ratio of 1:0.3, and the activating agent is a silane coupling agent.
Further, the composite gel powder is prepared by taking materials according to the mass ratio, adding a proper amount of water into thermoplastic resin powder, stirring into a thin paste, heating to 80-90 ℃, and stirring for 30 min; blending the composite fiber and the activating agent, then adding the mixture into the pasty resin powder under the stirring condition, cooling to 60 ℃, stirring and mixing at 1000rpm for 20-60min, drying and crushing until the mixture is sieved by a 100-mesh sieve.
The mass ratio of the hydrolyzed animal protein, the n-pentane and the surfactant in the composite foaming agent is 1:0.5: 0.08.
And the hydrolyzed animal protein is selected from animal keratin, and the mass ratio of the surface active agent is 1:0.5: 0.5 of a polyvinylpyrrolidone, vinyldistearamide, isooctanol phosphate composition.
Example 5:
based on the high-efficiency heat-insulation light-weight ceramsite wallboard and the preparation process thereof given in the embodiments 1 and 2, a detailed example is further given:
the high-efficiency heat-insulation light ceramsite wallboard comprises the following components in parts by weight: 420 parts of a cementing material, 2800 parts of aggregate, 210 parts of composite gel powder, 90 parts of modified polyphenyl particles, 60 parts of a composite foaming agent, 5 parts of a water reducing agent and 240 parts of mixing water; wherein, the cementing material comprises PC42.5 cement and fly ash, the lightweight aggregate comprises hollow ceramsite, vitrified micro-bead, furnace slag and river sand, and the composite gel powder comprises thermoplastic resin powder, composite fiber and an activating agent; the composite foaming agent comprises hydrolyzed animal protein, n-pentane and a surfactant; the water reducing agent is a polycarboxylic acid high-efficiency water reducing agent or a naphthalene water reducing agent.
The mass ratio of PC42.5 cement to fly ash in the cementing material is 1: 0.2; the weight ratio of the hollow ceramsite to the vitrified micro-bead to the furnace slag to the river sand in the lightweight aggregate is 1: 0.5:0.5: 1;
the hollow ceramsite has the particle size of 5-15mm and the volume weight of 360-450kg/m3The cylinder pressure strength is 6.6-8.2 MPa; the particle diameter of the vitrified micro bubbles is 2-4mm, the volume weight is 110-3(ii) a The specific surface area of the slag is 380-420m2Per kg; the river sand fineness modulus is 2.0-2.8, wherein the fine sand accounts for 8-15 wt%.
The mass ratio of the thermoplastic resin powder, the composite fibers and the activating agent in the composite gel powder is 1:1.6: 0.2;
and the thermoplastic resin powder is prepared from the following components in a mass ratio of 1:0.2 of phenolic resin and organic silicon modified terpene resin, wherein the composite fiber is a mixture of glass fiber and sepiolite fiber in a mass ratio of 1:0.3, and the activating agent is a silane coupling agent.
Further, the composite gel powder is prepared by taking materials according to the mass ratio, adding a proper amount of water into thermoplastic resin powder, stirring into a thin paste, heating to 80-90 ℃, and stirring for 30 min; blending the composite fiber and the activating agent, then adding the mixture into the pasty resin powder under the stirring condition, cooling to 60 ℃, stirring and mixing at 1000rpm for 20-60min, drying and crushing until the mixture is sieved by a 100-mesh sieve.
The mass ratio of the hydrolyzed animal protein, the n-pentane and the surfactant in the composite foaming agent is 1:0.5: 0.08.
And the hydrolyzed animal protein is selected from animal keratin, and the mass ratio of the surface active agent is 1:0.5: 0.5 of a polyvinylpyrrolidone, vinyldistearamide, isooctanol phosphate composition.
Example 6:
based on the high-efficiency heat-insulation light-weight ceramsite wallboard and the preparation process thereof given in the embodiments 1 and 2, a detailed example is further given:
the high-efficiency heat-insulation light ceramsite wallboard comprises the following components in parts by weight: 550 parts of a cementing material, 2400 parts of aggregate, 150 parts of composite gel powder, 50 parts of modified polyphenyl particles, 45 parts of a composite foaming agent, 8 parts of a water reducing agent and 180 parts of mixing water; wherein, the cementing material comprises PC42.5 cement and fly ash, the lightweight aggregate comprises hollow ceramsite, vitrified micro-bead, furnace slag and river sand, and the composite gel powder comprises thermoplastic resin powder, composite fiber and an activating agent; the composite foaming agent comprises hydrolyzed animal protein, n-pentane and a surfactant; the water reducing agent is a polycarboxylic acid high-efficiency water reducing agent or a naphthalene water reducing agent.
The mass ratio of PC42.5 cement to fly ash in the cementing material is 1: 0.15; the weight ratio of the hollow ceramsite to the vitrified micro-bead to the furnace slag to the river sand in the lightweight aggregate is 1: 1:0.2: 1.0;
the hollow ceramsite has the particle size of 5-15mm and the volume weight of 360-450kg/m3The cylinder pressure strength is 6.6-8.2 MPa; the particle diameter of the vitrified micro bubbles is 2-4mm, the volume weight is 110-3(ii) a The specific surface area of the slag is 380-420m2Per kg; the river sand fineness modulus is 2.0-2.8, wherein the fine sand accounts for 8-15 wt%.
The mass ratio of the thermoplastic resin powder, the composite fibers and the activating agent in the composite gel powder is 1:1.8: 0.2;
and the thermoplastic resin powder is prepared from the following components in a mass ratio of 1: 0.1 of phenolic resin and organic silicon modified terpene resin, wherein the composite fiber is a mixture of glass fiber and sepiolite fiber in a mass ratio of 1:0.3, and the activating agent is a silane coupling agent.
Further, the composite gel powder is prepared by taking materials according to the mass ratio, adding a proper amount of water into thermoplastic resin powder, stirring into a thin paste, heating to 80-90 ℃, and stirring for 30 min; blending the composite fiber and the activating agent, then adding the mixture into the pasty resin powder under the stirring condition, cooling to 60 ℃, stirring and mixing at 1000rpm for 20-60min, drying and crushing until the mixture is sieved by a 100-mesh sieve.
The mass ratio of the hydrolyzed animal protein, the n-pentane and the surfactant in the composite foaming agent is 1:0.6: 0.15.
And the hydrolyzed animal protein is selected from animal keratin, and the mass ratio of the surface active agent is 1:0.5: 0.5 of a polyvinylpyrrolidone, vinyldistearamide, isooctanol phosphate composition.
Comparative example 1:
based on example 3, the composite gel powder was removed and the balance of the cementitious material was used, with other conditions unchanged, to prepare lightweight wallboard.
Comparative example 2:
based on example 3, the composite blowing agent was removed and the modified polystyrene particles were used in the make-up amount, and the other conditions were unchanged to prepare lightweight wallboard.
Comparative example 3:
based on example 3, the composite gel powder was removed and the complementary parts of gelling material were added, while the composite blowing agent was removed and the complementary parts of modified polystyrene particles were added, and the other conditions were unchanged, to prepare lightweight wallboards.
The lightweight wallboards prepared in examples 3-6 and comparative examples 1-3 were tested for performance and the data is as follows:
| compressive strength, MPa (28 d) | Volume weight, kg/m3 | Thermal conductivity, w/(m.k) | Coefficient of sound insulation, dB | Drying shrinkage value, mm/m | Water absorption percentage% | Limit of fire resistance h | Hanging force, N | |
| Example 3 | 13.2 | 1033 | 0.12 | 51 | 0.041 | 4.9 | 3.6 | 1460 |
| Example 4 | 13.6 | 1045 | 0.11 | 50 | 0.042 | 5.2 | 3.8 | 1460 |
| Example 5 | 13.5 | 1038 | 0.12 | 50 | 0.037 | 5.0 | 3.8 | 1450 |
| Example 6 | 13.3 | 1042 | 0.13 | 49 | 0.041 | 5.1 | 3.6 | 1480 |
| Comparative example 1 | 10.2 | 1061 | 0.13 | 48 | 0.123 | 5.4 | 4.0 | 1320 |
| Comparative example 2 | 11.4 | 1052 | 0.16 | 42 | 0.116 | 5.6 | 3.5 | 1415 |
| Comparative example 3 | 9.3 | 1064 | 0.16 | 39 | 0.244 | 5.8 | 3.8 | 1295 |
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (9)
1. The efficient heat-insulation light ceramsite wallboard is characterized by comprising the following components in parts by weight: 550 parts of cementing material 420-; wherein, the cementing material comprises PC42.5 cement and fly ash, the lightweight aggregate comprises hollow ceramsite, vitrified micro-bead, furnace slag and river sand, and the composite gel powder comprises thermoplastic resin powder, composite fiber and an activating agent; the composite foaming agent comprises hydrolyzed animal protein, n-pentane and a surfactant; the water reducing agent is a polycarboxylic acid high-efficiency water reducing agent or a naphthalene water reducing agent.
2. The efficient heat-insulating light ceramsite wall board according to claim 1, wherein: the mass ratio of PC42.5 cement to fly ash in the cementing material is 1: 0.1-0.2; the weight ratio of the hollow ceramsite to the vitrified micro-bead to the furnace slag to the river sand in the lightweight aggregate is 1: 0.5-1:0.2-0.5: 0.8-1.2; the mass ratio of the thermoplastic resin powder, the composite fiber and the activating agent in the composite gel powder is 1:1.6-1.8: 0.05-0.2; the mass ratio of the hydrolyzed animal protein, the n-pentane and the surfactant in the composite foaming agent is 1:0.5-0.8: 0.08-0.15.
3. The efficient heat-insulating light ceramsite wall board according to claim 1, wherein: in the lightweight aggregate, the hollow ceramsite has the particle size of 5-15mm and the volume weight of 360-450kg/m3The cylinder pressure strength is 6.6-8.2 MPa; the particle diameter of the vitrified micro bubbles is 2-4mm, the volume weight is 110-3(ii) a The specific surface area of the slag is 380-420m2Per kg; the river sand fineness modulus is 2.0-2.8, wherein the fine sand accounts for 8-15 wt%.
4. The efficient heat-insulating light ceramsite wall board according to claim 1, wherein: in the composite gel powder, the mass ratio of thermoplastic resin powder is 1: 0.1-0.2 of phenolic resin and organic silicon modified terpene resin, wherein the composite fiber is a mixture of glass fiber and sepiolite fiber in a mass ratio of 1:0.3, and the activating agent is a silane coupling agent.
5. The efficient heat-insulating light-weight ceramsite wall board according to claim 4, wherein: the preparation method of the composite gel powder comprises the following steps of taking materials according to a mass ratio, adding a proper amount of water into thermoplastic resin powder, mixing into a thin paste, heating to 80-90 ℃, and stirring for 30 min; blending the composite fiber and the activating agent, then adding the mixture into the pasty resin powder under the stirring condition, cooling to 60 ℃, stirring and mixing at 1000rpm for 20-60min, drying and crushing until the mixture is sieved by a 100-mesh sieve.
6. The efficient heat-insulating light ceramsite wall board according to claim 1, wherein: in the composite foaming agent, the hydrolyzed animal protein is selected from animal keratin, and the mass ratio of the surfactant to the surfactant is 1:0.5: 0.5 of a polyvinylpyrrolidone, vinyldistearamide, isooctanol phosphate composition.
7. The high-efficiency heat-insulation light-weight ceramsite wallboard according to any one of claims 1-6, wherein the preparation process comprises the following steps:
taking materials according to the parts by weight, blending the composite gel powder with a proper amount of mixing water, stirring and mixing for 3-5min at 80-100rpm, then adding aggregate, and continuously stirring and mixing for 5-10min to obtain a first mixed material;
blending the modified polyphenyl particles with a cementing material, blending with the rest blending water, stirring and mixing at 150rpm for 3-5min, and adding a water reducing agent in the stirring and mixing process to obtain a second mixed material;
adding the composite foaming agent into the first mixed material, stirring and mixing at 180-;
and (4) feeding the slurry into a grouting machine, casting and molding in a mold, and sequentially carrying out double curing to finally obtain a finished wallboard product.
8. The efficient heat-insulating light-weight ceramsite wall board according to claim 7, wherein: in the step 1), the dosage of the mixing water is 30-40% of the mass of the composite gel powder.
9. The efficient heat-insulating light-weight ceramsite wall board according to claim 7, wherein: the double curing in the step 4) is specifically that primary autoclaved curing is carried out in a mold for 3-5h, then secondary autoclaved curing is carried out for 6-15h after the mold is opened and the plate is taken out, and the two times of autoclaving are carried out sequentially to obtain 160 ℃ saturated vapor pressure and 200 ℃ saturated vapor pressure.
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|---|---|---|---|---|
| CN115126175A (en) * | 2021-11-22 | 2022-09-30 | 浙江绿城房屋服务系统有限公司 | Method for manufacturing external wall decoration heat insulation waterproof integrated plate |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6010656A (en) * | 1996-02-16 | 2000-01-04 | Idemitsu Petrochemical Co., Ltd. | Method of forming a light-weight, fiber-reinforced thermoplastic resin product and a light-weight molded product |
| CN1541970A (en) * | 2003-11-10 | 2004-11-03 | 陈福广 | Fly ash concrete light weight multi-porous ribbon board and manufacturing method thereof |
| CN104129959A (en) * | 2014-08-04 | 2014-11-05 | 马鞍山十七冶工程科技有限责任公司 | Self-heat-insulation light weight wallboard containing hollow ceramsites and preparation method thereof |
| CN109704703A (en) * | 2019-03-07 | 2019-05-03 | 云南建丰建筑工程有限公司 | A kind of light-high-strength calcium silicate board and its preparation process |
-
2021
- 2021-01-27 CN CN202110108552.4A patent/CN112811872A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6010656A (en) * | 1996-02-16 | 2000-01-04 | Idemitsu Petrochemical Co., Ltd. | Method of forming a light-weight, fiber-reinforced thermoplastic resin product and a light-weight molded product |
| CN1541970A (en) * | 2003-11-10 | 2004-11-03 | 陈福广 | Fly ash concrete light weight multi-porous ribbon board and manufacturing method thereof |
| CN104129959A (en) * | 2014-08-04 | 2014-11-05 | 马鞍山十七冶工程科技有限责任公司 | Self-heat-insulation light weight wallboard containing hollow ceramsites and preparation method thereof |
| CN109704703A (en) * | 2019-03-07 | 2019-05-03 | 云南建丰建筑工程有限公司 | A kind of light-high-strength calcium silicate board and its preparation process |
Non-Patent Citations (4)
| Title |
|---|
| 伍勇华等: "泡沫混凝土发泡剂的复配及改性研究", 《新型建筑材料》 * |
| 张志坚等: "硅烷偶联剂在玻纤增强复合材料领域中的应用", 《玻璃纤维》 * |
| 杨永利等: "《无机材料生产技术（水泥方向）》", 31 January 2013, 北京理工大学出版社 * |
| 王迎军: "《新型材料科学与技术 无机材料卷 中》", 31 October 2016, 华南理工大学出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115126175A (en) * | 2021-11-22 | 2022-09-30 | 浙江绿城房屋服务系统有限公司 | Method for manufacturing external wall decoration heat insulation waterproof integrated plate |
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