CN108609960A - A kind of construction wall cracking resistance thermal insulation material - Google Patents
A kind of construction wall cracking resistance thermal insulation material Download PDFInfo
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- CN108609960A CN108609960A CN201810563183.6A CN201810563183A CN108609960A CN 108609960 A CN108609960 A CN 108609960A CN 201810563183 A CN201810563183 A CN 201810563183A CN 108609960 A CN108609960 A CN 108609960A
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- cracking resistance
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- thermal insulation
- construction wall
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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
-
- 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
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
- C04B20/023—Chemical treatment
-
- 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
- C04B2111/34—Non-shrinking or non-cracking materials
- C04B2111/343—Crack resistant materials
-
- 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
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Building Environments (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a kind of construction wall cracking resistance thermal insulation materials, are related to building material technical field, and raw material includes by weight：70 80 parts of portland cement, 7 15 parts of polypropylene fibre, 15 23 parts of modified pearl rock, 120 140 parts of stone, 50 60 parts of sand, 25 35 parts of flyash, 30 40 parts of wollastonite, 20 30 parts of kaolin, 13 parts of dodecyl sodium sulfate, 24 parts of hydroxypropyl methyl cellulose, 12 20 parts of resin-oatmeal, 48 parts of water-reducing agent, 48 parts of waterproofing agent, appropriate amount of water.The concrete thermal-insulating material of the present invention has many advantages, such as high-strength light characteristic, has good heat-insulated, heat preservation, fire-retardant, cracking resistance, can be used for wall heat insulation material.
Description
Technical field
The present invention relates to building material technical field more particularly to a kind of construction wall cracking resistance thermal insulation materials.
Background technology
Go deep into the development and urbanization process of China economy and society, energy conservation and environmental protection to construction material and
The functional requirements such as heat preservation just continuously emerge.However the heat-insulating property of existing wall is not ideal enough, is easy to cause a large amount of energy
Loss, wastes a large amount of energy, simultaneously as the expenditure of the energy also aggravates the expenditure burden of family to a certain extent, in addition,
The construction wall time is grown, and surface is easily cracked, it is therefore desirable to a kind of wall of cracking resistance insulation.
Invention content
Technical problems based on background technology, the present invention propose a kind of construction wall cracking resistance thermal insulation material, have
It is high-strength, light, heat-insulated, heat preservation, cracking resistance characteristic.
A kind of construction wall cracking resistance thermal insulation material proposed by the present invention, raw material include by weight：Portland cement 70-
80 parts, 7-15 parts of polypropylene fibre, 15-23 parts of modified pearl rock, 120-140 parts of stone, 50-60 parts of sand, flyash 25-35
Part, 30-40 parts of wollastonite, 20-30 parts of kaolin, 1-3 parts of dodecyl sodium sulfate, 2-4 parts of hydroxypropyl methyl cellulose, resin
12-20 parts of powder, 4-8 parts of water-reducing agent, 4-8 parts of waterproofing agent, appropriate amount of water.
Preferably, the polypropylene fibre is the polypropylene fibre after alkali process, it is preferable that is the hydrogen-oxygen using 7-10%
Change sodium solution and impregnate polypropylene fibre 2-3h, filtering is washed.
Preferably, the modified pearl rock prepare it is as follows：Inorganic mineral powder and expanded perlite are uniformly mixed, then used
Water sprays mix surface, places, dry, obtains material a；It is sprayed after thermosetting property Effect of Organosilicon-modified Phenol-formaldehyde Resin is diluted with ethyl alcohol
On to material a to get.
Preferably, the organic-silicon-modified resin of the inorganic mineral powder, thermosetting property, expanded perlite weight ratio be 8-13：5-
8：100.
Preferably, the Effect of Organosilicon-modified Phenol-formaldehyde Resin is dodecyltrimethoxysilane phenol-formaldehyde resin modified.
Preferably, mix surface is sprayed with water, places drying after 16-20h.
Preferably, the water-reducing agent be lignin sulfonate water-reducing agent, naphthalene water reducer, melamine system water reducer,
Sulfamate based water reducer, at least one of poly carboxylic acid series water reducer.
Preferably, the waterproofing agent is sodium methyl silicate and fatty acid distribution of coconut oil according to 2-3：1 weight ratio compounding composition.
The preparation of above-mentioned construction wall cracking resistance thermal insulation material prepares work according to conventional concrete thermal insulation material in the prior art
It is prepared by skill.
Advantageous effect：The present invention uses portland cement for major gelled material, adds the high flyash of activity, silicon ash
Stone, kaolin improve the intensity and durability of concrete material；The polypropylene fibre of addition plays reinforcement enhancing, resistance to material
Effect is split, and with after alkali process, surface roughness increases, and improves the interface binding power between itself and cement etc., improves material
Mechanical strength；Expanded perlite has the characteristics that light, thermal coefficient is low, fire prevention, is played in the material with stone, sand etc.
Skeleton function improves the heat preservation and insulation of concrete material；The presence of surfactant sodium dodecyl base sodium sulfonate can improve
The performance of concrete material improves concrete with the collective effects such as hydroxypropyl methyl cellulose, resin-oatmeal, water-reducing agent, waterproofing agent
The stability and application property of material, enhance its intensity.The concrete thermal-insulating material of the present invention has high-strength light characteristic, has very
The advantages that good heat-insulated, heat preservation, fire-retardant, cracking resistance, it can be used for wall heat insulation material.
In prepared by modified pearl rock, first inorganic mineral powder is mixed with expanded perlite, then sprayed water to its surface, utilization is inorganic
The physics of mineral powder granular is filled out the effect covered and is blocked to the open pore on perlite surface, and hydrone is prevented to enter inside it, and sprays
Water can promote the formation of inorganic mineral powder hydrated product, be filled in hole, improve the consistency and intensity on perlite surface,
Reduce the water absorption rate of perlite；Further package is carried out to perlite to be modified, blocked table using Effect of Organosilicon-modified Phenol-formaldehyde Resin
Face open pore improves surface hydrophobicity, therefore makes the reduction of perlite water absorption rate, and uses organosilicon dodecyltrimethoxysilane
Phenolic resin is modified, the brittleness of phenolic resin is improved, improves its mechanical performance, improves the surface strength of perlite；It is logical
It crosses and perlite is modified using inorganic mineral powder and Effect of Organosilicon-modified Phenol-formaldehyde Resin, common mating reaction effectively reduces pearl
Rock surface opening hole number reduces water absorption rate, improves the surface strength of perlite, avoids breaking during raw material mixing machine use
It is broken, cause the raising of water absorption rate.
Specific implementation mode
In the following, technical scheme of the present invention is described in detail by specific embodiment.
Embodiment 1
A kind of construction wall cracking resistance thermal insulation material proposed by the present invention, raw material include by weight：Portland cement 70
Part, 15 parts of polypropylene fibre, 15 parts of modified pearl rock, 120 parts of stone, 60 parts of sand, 35 parts of flyash, 40 parts of wollastonite, height
20 parts of ridge soil, 1 part of dodecyl sodium sulfate, 4 parts of hydroxypropyl methyl cellulose, 12 parts of resin-oatmeal, lignin sulfonate diminishing
4 parts of agent, 4 parts of waterproofing agent, appropriate amount of water.
Wherein, waterproofing agent is sodium methyl silicate and fatty acid distribution of coconut oil according to 2：1 weight ratio compounding composition；Polypropylene is fine
Dimension is the polypropylene fibre after alkali process, is to impregnate polypropylene fibre 2h using 7% sodium hydroxide solution, filtering is washed
It arrives.
Embodiment 2
A kind of construction wall cracking resistance thermal insulation material proposed by the present invention, raw material include by weight：Portland cement 80
Part, 7 parts of polypropylene fibre, 23 parts of modified pearl rock, 140 parts of stone, 50 parts of sand, 25 parts of flyash, 30 parts of wollastonite, kaolinite
30 parts of soil, 3 parts of dodecyl sodium sulfate, 2 parts of hydroxypropyl methyl cellulose, 20 parts of resin-oatmeal, 8 parts of naphthalene water reducer, waterproofing agent 8
Part, appropriate amount of water.
Wherein, waterproofing agent is sodium methyl silicate and fatty acid distribution of coconut oil according to 3：1 weight ratio compounding composition；Polypropylene is fine
Dimension is the polypropylene fibre after alkali process, is to impregnate polypropylene fibre 3h using 10% sodium hydroxide solution, filtering is washed
It arrives.
Embodiment 3
A kind of construction wall cracking resistance thermal insulation material proposed by the present invention, raw material include by weight：Portland cement 72
Part, 9 parts of polypropylene fibre, 22 parts of modified pearl rock, 135 parts of stone, 54 parts of sand, 28 parts of flyash, 37 parts of wollastonite, kaolinite
28 parts of soil, 1.5 parts of dodecyl sodium sulfate, 2.5 parts of hydroxypropyl methyl cellulose, 15 parts of resin-oatmeal, melamine system water reducer 7
Part, 5 parts of waterproofing agent, appropriate amount of water.
Wherein, waterproofing agent is sodium methyl silicate and fatty acid distribution of coconut oil according to 2.3：1 weight ratio compounding composition.
Wherein, polypropylene fibre is the polypropylene fibre after alkali process, is to impregnate poly- third using 8% sodium hydroxide solution
Alkene fiber 2h, filtering, is washed；
Wherein, modified pearl rock prepare it is as follows：Inorganic mineral powder and expanded perlite are uniformly mixed, then sprayed with water
Mix surface, it is dry after placing 16h, obtain material a；It is sprayed after thermosetting property Effect of Organosilicon-modified Phenol-formaldehyde Resin is diluted with ethyl alcohol
To get, wherein Effect of Organosilicon-modified Phenol-formaldehyde Resin it is dodecyltrimethoxysilane phenol-formaldehyde resin modified on to material a, it is inorganic
The organic-silicon-modified resin of miberal powder, thermosetting property, expanded perlite weight ratio be 8：8：100.
Embodiment 4
A kind of construction wall cracking resistance thermal insulation material proposed by the present invention, raw material include by weight：Portland cement 75
Part, 13 parts of polypropylene fibre, 18 parts of modified pearl rock, 128 parts of stone, 57 parts of sand, 33 parts of flyash, 33 parts of wollastonite, height
24 parts of ridge soil, 2.5 parts of dodecyl sodium sulfate, 3.5 parts of hydroxypropyl methyl cellulose, 18 parts of resin-oatmeal, 5 parts of water-reducing agent, waterproof
7 parts of agent, appropriate amount of water.
Wherein, water-reducing agent is melamine system water reducer and sulfamate based water reducer according to 1：1 weight ratio compounding
Composition；Waterproofing agent is sodium methyl silicate and fatty acid distribution of coconut oil according to 2.8：1 weight ratio compounding composition；
Wherein, polypropylene fibre is the polypropylene fibre after alkali process, is to impregnate poly- third using 9% sodium hydroxide solution
Alkene fiber 2.5h, filtering, is washed；
Wherein, modified pearl rock prepare it is as follows：Inorganic mineral powder and expanded perlite are uniformly mixed, then sprayed with water
Mix surface, it is dry after placing 20h, obtain material a；It is sprayed after thermosetting property Effect of Organosilicon-modified Phenol-formaldehyde Resin is diluted with ethyl alcohol
To get, wherein Effect of Organosilicon-modified Phenol-formaldehyde Resin it is dodecyltrimethoxysilane phenol-formaldehyde resin modified on to material a, it is inorganic
The organic-silicon-modified resin of miberal powder, thermosetting property, expanded perlite weight ratio be 13：5：100.
Embodiment 5
A kind of construction wall cracking resistance thermal insulation material proposed by the present invention, raw material include by weight：Portland cement 77
Part, 12 parts of polypropylene fibre, 20 parts of modified pearl rock, 130 parts of stone, 56 parts of sand, 30 parts of flyash, 35 parts of wollastonite, height
25 parts of ridge soil, 2 parts of dodecyl sodium sulfate, 3 parts of hydroxypropyl methyl cellulose, 17 parts of resin-oatmeal, 6 parts of water-reducing agent, waterproofing agent 6
Part, appropriate amount of water.
Wherein, water-reducing agent is lignin sulfonate water-reducing agent and sulfamate based water reducer according to 1：1 weight ratio
Compounding composition；Waterproofing agent is sodium methyl silicate and fatty acid distribution of coconut oil according to 2.5：1 weight ratio compounding composition；
Wherein, polypropylene fibre is the polypropylene fibre after alkali process, is to impregnate poly- third using 7% sodium hydroxide solution
Alkene fiber 3h, filtering, is washed；
Wherein, modified pearl rock prepare it is as follows：Inorganic mineral powder and expanded perlite are uniformly mixed, then sprayed with water
Mix surface, it is dry after placing 18h, obtain material a；It is sprayed after thermosetting property Effect of Organosilicon-modified Phenol-formaldehyde Resin is diluted with ethyl alcohol
To get, wherein Effect of Organosilicon-modified Phenol-formaldehyde Resin it is dodecyltrimethoxysilane phenol-formaldehyde resin modified on to material a, it is inorganic
The organic-silicon-modified resin of miberal powder, thermosetting property, expanded perlite weight ratio be 10：7：100.
Comparative example 1
Compared with Example 5, in the preparation of modified pearl rock, do not use thermosetting property Effect of Organosilicon-modified Phenol-formaldehyde Resin to pearl
Rock is further modified, remaining condition all same.
Comparative example 2
Compared with Example 5, in the preparation of modified pearl rock, perlite is not modified using inorganic mineral powder, remaining
Condition all same.
Comparative example 3
Compared with Example 5, expanded perlite is not modified.
The intensity of modified pearl rock in 3-5 of the embodiment of the present invention and comparative example 1-3, thermal coefficient and water absorption rate are carried out
Test.Test data see the table below.
The performance parameter of 1 modified pearl rock of table
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of construction wall cracking resistance thermal insulation material, which is characterized in that its raw material includes by weight：Portland cement 70-80
Part, 7-15 parts of polypropylene fibre, 15-23 parts of modified pearl rock, 120-140 parts of stone, 50-60 parts of sand, flyash 25-35
Part, 30-40 parts of wollastonite, 20-30 parts of kaolin, 1-3 parts of dodecyl sodium sulfate, 2-4 parts of hydroxypropyl methyl cellulose, resin
12-20 parts of powder, 4-8 parts of water-reducing agent, 4-8 parts of waterproofing agent, appropriate amount of water.
2. construction wall cracking resistance thermal insulation material according to claim 1, which is characterized in that the polypropylene fibre is at alkali
Polypropylene fibre after reason, it is preferable that be that polypropylene fibre 2-3h is impregnated using the sodium hydroxide solution of 7-10%, filtering is washed
It washs.
3. construction wall cracking resistance thermal insulation material according to claim 1 or 2, which is characterized in that the modified pearl rock
It prepares as follows：Inorganic mineral powder and expanded perlite are uniformly mixed, then spray mix surface with water, is placed, it is dry, obtain object
Expect a；Sprayed application to after thermosetting property Effect of Organosilicon-modified Phenol-formaldehyde Resin is diluted with ethyl alcohol on material a to get.
4. construction wall cracking resistance thermal insulation material according to claim 3, which is characterized in that the inorganic mineral powder, thermosetting property
Organic-silicon-modified resin, expanded perlite weight ratio be 8-13：5-8：100.
5. construction wall cracking resistance thermal insulation material according to claim 3 or 4, which is characterized in that the organic-silicon-modified phenol
Urea formaldehyde is dodecyltrimethoxysilane phenol-formaldehyde resin modified.
6. according to any construction wall cracking resistance thermal insulation materials of claim 3-5, which is characterized in that spray mixture with water
Drying after 16-20h is placed on surface.
7. according to any construction wall cracking resistance thermal insulation materials of claim 1-6, which is characterized in that the water-reducing agent is wood
Mahogany sulfonate class water-reducing agent, naphthalene water reducer, melamine system water reducer, sulfamate based water reducer, polycarboxylic-acid subtract
At least one of aqua.
8. according to any construction wall cracking resistance thermal insulation materials of claim 1-7, which is characterized in that the waterproofing agent is first
Base sodium metasilicate is with fatty acid distribution of coconut oil according to 2-3：1 weight ratio compounding composition.
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| CN201810563183.6A CN108609960A (en) | 2018-06-04 | 2018-06-04 | A kind of construction wall cracking resistance thermal insulation material |
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| CN201810563183.6A CN108609960A (en) | 2018-06-04 | 2018-06-04 | A kind of construction wall cracking resistance thermal insulation material |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109928698A (en) * | 2019-04-09 | 2019-06-25 | 台州普立德建筑科技有限公司 | A kind of water proof building exterior wall |
| CN110423058A (en) * | 2019-08-30 | 2019-11-08 | 福建闽泰交通工程有限公司 | A kind of high weatherability composite material for building and preparation method thereof |
| CN112624691A (en) * | 2020-12-18 | 2021-04-09 | 马鞍山市国林建材有限公司 | Production method of high-efficiency low-emission silent crushing agent for producing Z-shaped concrete hollow blocks |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109928698A (en) * | 2019-04-09 | 2019-06-25 | 台州普立德建筑科技有限公司 | A kind of water proof building exterior wall |
| CN110423058A (en) * | 2019-08-30 | 2019-11-08 | 福建闽泰交通工程有限公司 | A kind of high weatherability composite material for building and preparation method thereof |
| CN112624691A (en) * | 2020-12-18 | 2021-04-09 | 马鞍山市国林建材有限公司 | Production method of high-efficiency low-emission silent crushing agent for producing Z-shaped concrete hollow blocks |
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