CN108751900A - High-performance reflective insulation gypsum base compound insulating material and preparation method thereof - Google Patents
High-performance reflective insulation gypsum base compound insulating material and preparation method thereof Download PDFInfo
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- CN108751900A CN108751900A CN201810858938.5A CN201810858938A CN108751900A CN 108751900 A CN108751900 A CN 108751900A CN 201810858938 A CN201810858938 A CN 201810858938A CN 108751900 A CN108751900 A CN 108751900A
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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
- C04B28/14—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 calcium sulfate cements
- C04B28/145—Calcium sulfate hemi-hydrate with a specific crystal form
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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
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
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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 discloses a kind of high-performance reflective insulation gypsum base compound insulating materials and preparation method thereof, belong to building thermal insulation material and its preparing technical field, it is intended to solve the problems, such as that building thermal insulation material useful life longevity is poor in the prior art.Its key points of the technical solution are that this kind of thermal insulation material includes by weight：400-600 parts of gypsum, 250-500 parts of quartz sand, 100-150 parts of insulation light-weight aggregate, 3-5 parts of modified methylated cellulose, 5-10 parts of water-reducing agent, 6-15 parts of latex powder, 1-15 parts of anticracking fiber.Each component is powder or pellet, and without that can react the component for generating sodium sulphate with gypsum, product has the advantages that reflective insulation excellent performance, useful life longevity are good, easy to use and manufacturing cost is low.The present invention accordingly discloses the preparation method of above-mentioned thermal insulation material, this kind of method and process is simple, and thermal insulation material obtained has the low and higher sun light reflectivity of extremely low thermal coefficient and near-infrared reflection ratio, and water resistance, weatherability and useful life longevity are good.
Description
Technical field
The invention belongs to building thermal insulation material and its preparing technical fields, more specifically, it relates to which a kind of high-performance is anti-
Penetrate heat-insulated gypsum base compound insulating material and preparation method thereof.
Background technology
Building heat preservation heat-barrier material can be used for reducing the heat loss of architecture indoor external environment, and it is negative effectively to reduce building air conditioning
Lotus is structure building and implements the important component of reducing energy consumption, but that there are water proofing properties is poor for building heat insulation material
Defect, to limit its further development and application.Successively, it would be highly desirable to moisture-proof novel energy-saving construction thermal insulating material at exploitation
Material.
Application publication number is that the Chinese patent of CN104556927A discloses a kind of thermal insulation material, in the prior art
Thermal insulation material cohesive force is inadequate, and the bad present situation of hydrophobic effect is improved, and has invented a kind of hydrophobic heat-insulating material.The patent is
By adding hydrophober in thermal insulation material to enhance the hydrophobicity performance of thermal insulation material.Although hydrophober, which is added, can play centainly
Hydrophobic effect, but after the addition of hydrophober reaches maximum virtual value, the flexural strength for continuously adding thermal insulation material is acute
Subtract, influences whether the performance of thermal insulation material.
To solve the above-mentioned problems, further improve the water resistance of thermal insulation material, application publication number CN106316320A's
Chinese patent discloses a kind of resistance to tidal stencils gypsum base compound insulating material and preparation method thereof, by adding hydrophobic in the feed
Type expanded perlite, binder, organo montmorillonite and methyltriethoxysilane, to increase the hydrophobicity of thermal insulation material, be promoted
Adhesion strength.Binder used in it is waterglass or palygorskite.
But waterglass and gypsum can react production sodium sulphate, thermal insulation material be used to be easy to drench with rain when external wall or
The moisture absorption, since the presence of sodium sulphate can ionize out a large amount of sodium ions after thermal insulation material water suction.And sodium ion to water have it is high
Compatibility is easy in the gap for penetrating into expanded perlite, aggregate and coagulated material, influences to protect in the presence of moisture
The use energy of adiabator.Thermal insulation material is after being exposed to the sun, moisture evaporation, and sodium sulphate is precipitated in the form of crystal salt again, and volume increases
Greatly, causing expanded perlite either to generate microcrack on aggregate either hole or even causes expanded perlite or aggregate broken,
So that its useful life longevity and poor to the tolerance of weather.
Thus, how to research and develop a kind of water-tolerant and the good construction wall thermal insulation material of useful life longevity is to need to be solved in the industry
Certainly the problem of.
Invention content
It is multiple in view of the deficiencies of the prior art, the present invention intends to provide a kind of high-performance reflective insulation gypsum base
Thermal insulation material is closed, with water-tolerant, useful life longevity is good, advantage of reflective insulation excellent performance.
To achieve the above object, the present invention provides following technical solutions：
A kind of high-performance reflective insulation gypsum base compound insulating material is dry powder-shaped mixture, including by weight as follows
Component,
400-600 parts of gypsum
250-500 parts of quartz sand
100-150 parts of insulation light-weight aggregate
3-5 parts of modified methylated cellulose
5-10 parts of water-reducing agent
6-15 parts of latex powder
1-15 parts of anticracking fiber.
By using above-mentioned technical proposal, at least have the following advantages that：1, waterglass is not added in being formulated, it will not be with gypsum
Reaction generates sodium sulphate, moisture will not be caused to penetrate into quartz sand, insulation during being used for a long time because of the presence of sodium sulphate light
In the slit to gather materials, it is not easy to generate a large amount of slits and hole because of repeated crystallization swelling so that moisture makes the permanent of thermal insulation material
It is influenced with performance small.2, the thermal insulation material of above-mentioned specific substance proportioning is powdered mixture, and when construction adds water to stir,
With storage, transport, advantage easy for construction.3, the thermal insulation material thermal coefficient of above-mentioned specific substance proportioning it is extremely low, to the sun
The reflectivity of light is high, and heat insulating effect is better than commercially available similar-type products.4, the salt tolerance of modified methylated cellulose is compared with methyl
More preferably, performance is more stable for cellulose, and the modified methylated cellulose of above-mentioned volume can increase the water-retaining property of thermal insulation material, has and changes
The effect of kind thermal insulation material workability.5, latex powder can form polymer film, molecule in thermal insulation material hardening process
The space multistory network structure that long-chain is formed can coat quartz sand, insulation light-weight aggregate, promote adhesion strength, reduce and shrink
Rate, and also have the function of adjusting thermal insulation material consistency and water-retaining property.6, anticracking fiber is evenly dispersed in thermal insulation material, vertical
Traversed by is wrong, can hinder and limit the extension of microcrack, plays the role of cracking resistance and improves durability.
Further, the quartz sand is the quartz sand of 80-180 mesh grading grain sizes.
By using above-mentioned technical proposal, the grain size of quartz sand is excessive, is easily broken in whipping process, is also easy after construction
Because being exposed to the sun, the environmental factors such as low temperature it is cracking, influence the performance of thermal insulation material；Grain size is too small, thermal insulation material intensity difference,
It is thus best with 80-180 mesh.Not only intensity is high, durability is good for the thermal insulation material prepared by the quartz sand of this kind of grading mesh number, and
Thermal insulation material layer surface is smooth after construction.
Further, the quartz sand passes through following process,
P1, to the organic silicon emulsion of quartz sand surface even application mass percent a concentration of 3%, and the spraying of organic silicon emulsion
The mass ratio of amount and quartz sand is 1:1；
P2, quartz sand of the baking Jing Guo P1 step process under the conditions of 85-100 DEG C, until the organic silicon emulsion of spraying is completely solid；
P3, after the quartz sand cooled to room temperature of P2 step process, sieving, obtain the quartz sand of 80-180 mesh grading grain sizes
It is spare.
By using above-mentioned technical proposal, the quartz sand hydrophobicity handled by above-mentioned concrete technology is splendid, not hygroscopic,
Be not easy caused by the presence of thermal insulation material inner salt or climate change be heated/it is molten freeze etc. due tos cracking, useful life longevity pole
It is good.
Further, the insulation light-weight aggregate is one kind in Hollow Glass Sphere, glass bead and fine perlite
Or it is a variety of, grain size is 2-200 μm.
By using above-mentioned technical proposal, micropore knot is all had inside Hollow Glass Sphere, glass bead and fine perlite
Structure, thermal coefficient is extremely low, have it is excellent keep the temperature, be heat-insulated, soundproof effect.When the grain size of heat preserving and insulating material is more than 200 μm,
It is easy that dispersion is uneven, the adjacent intergranular spacing of heat preserving and insulating material is big in thermal insulation material, so that thermal insulation material is everywhere
Heat conductivility is uneven, influences its heat insulating effect；When the grain size of heat preserving and insulating material is less than 2 μm, heat preserving and insulating material
Large specific surface area, construct mixing when be susceptible to moisture absorption clustering phenomena, reduce thermal insulation material application property.Consider thermal insulating material
The dispersing uniformity of insulation light-weight aggregate when the thermal and insulating performance of material and preparation, heat preserving and insulating material grain size is with 2-200 μm
Most preferably.
Further, the real density of the insulation light-weight aggregate is 0.1-0.9g/cm3。
By using above-mentioned technical proposal, real density is more than 0.9g/cm3Insulation light-weight aggregate heat-proof quality not enough manage
Think；Density is less than 0.1g/cm3Insulation light-weight aggregate be then easy when adding water mixing, occur float, lamination, be not easy
It mixes uniform, application property is poor.
Further, the modified methylated cellulose is ethoxyl methyl cellulose ether or hydroxypropyl methyl cellulose
Ether.
By using above-mentioned technical proposal, ethylene-oxide-modified obtained ethoxy first is introduced in methylcellulose molecule
Base cellulose ether, the hydroxypropyl methyl cellulose ether that introducing epoxy pronane modification obtains have compared with methylcellulose preferably resistance to
Salt, performance are more stable.And when adding water mixing thermal insulation material, ethoxyl methyl cellulose ether and hydroxypropyl methyl cellulose
Ether all has good water retention property, delays the hardening of thermal insulation material so that there is enough operable times, application property is good,
While so that it will not be chapped from the cold because drying is too fast after thermal insulation material coating, increase the intensity after hardening.Thermal insulation material hardened
The molecule long-chain of Cheng Zhong, hydroxyethylmethylcellulose film and hydroxypropyl methyl cellulose ether can form multiple in thermal insulation material system
Miscellaneous space multistory network structure, the work for playing and reducing the layering of insulation light-weight aggregate floating, reduce quartz sand precipitation isolation
With.In addition, modified methylated cellulose can also be used as thickener, binder, act synergistically with latex powder, has and improve the viscous of material
Knotting strength, the effect for reducing shrinking percentage.
Further, the viscosity of the modified methylated cellulose is 30000-200000mPas.
By using above-mentioned technical proposal, the water-retaining property of the modified methylated cellulose of low viscosity inhibits insulation gently to collect
Material, which floats, to be layered, reduces the ineffective of quartz sand precipitation isolation, thus its viscosity is advisable with 30000-200000mPas.By
The thermal insulation material that the modified methylated cellulose of this kind of viscosity is prepared, thermal and insulating performance is excellent and uniform, and application property is splendid.
Further, the water-reducing agent is naphthalene sulfonic salt high efficiency water reducing agent, the sulfamate high-effective water-reducing agent of powdery
Or one or more of polycarboxylic acid series high efficiency water reducing agent；The latex powder is polyvinyl acetate or polyacrylic acid
Ester；The anticracking fiber selects the polyethylene fibre that length is 3-6mm or the wood fibre that length is 100-200 μm.
By using above-mentioned technical proposal, naphthalene sulfonic salt high efficiency water reducing agent, sulfamate high-effective water-reducing agent or poly-
High Efficient Diswater can effectively reduce thermal insulation material mixing water amount, be not easy because mixing water amount greatly caused by thermal insulation separation
Hot light-weight aggregate floating sealing, quartz sand precipitation isolation.Polyvinyl acetate can disperse, improve thermal insulation material and construction in water
Adhesion strength between wall base, and there is good flexibility；Polyacrylate latex powder can not only improve thermal insulation material
Caking property, but also the flexibility of thermal insulation material system can be improved, reduce cracking, reduce water absorption rate, improve heat-insulation system
Weatherability and long-time stability.
Another object of the present invention is to provide a kind of preparation sides of high-performance reflective insulation gypsum base compound insulating material
Method, the simple feature of tool process, thermal insulation material obtained is with easy to use, thermal and insulating performance is good, useful life longevity is good
Advantage.
To achieve the above object, the present invention provides following technical solutions：
A kind of preparation method of high-performance reflective insulation gypsum base compound insulating material, includes the following steps,
Step 1: by weight, weighing 400-600 parts of gypsum, 250-500 parts of quartz sand, insulation light-weight aggregate 100-150
Part, 3-5 parts of modified methylated cellulose, 5-10 parts of water-reducing agent, 6-15 parts of latex powder and 1-15 parts of anticracking fiber；
Step 2: first, gypsum, quartz sand and anticracking fiber being added and being stirred until homogeneous into mixing machine；
Step 3: latex powder, water-reducing agent and modified methylated cellulose is added in inside mixing machine again, continue to stir；
Step 4: insulation light-weight aggregate is finally added into mixing machine, 30min is stirred with the rotating speed of 800-1000rpm, is gone out
Material.
By using above-mentioned technical proposal, at least have the following advantages that：1, process is simple, it is only necessary to suitable according to above-mentioned steps
Each component is added in sequence, is uniformly mixed up to heat preserving and insulating material.2, the raw material of choice of powder shape is prepared, obtained at moral character
It can stablize, it is easier to store, transport, when construction adds water to mix and stir.3, insulation light-weight aggregate is added in final step, due to light
Gather materials the good fluidity of itself, and low speed, short time stirring can be evenly dispersed, is not easy to keep light-weight aggregate broken because of stirring, influences it
Thermal and insulating performance.
Further, the quartz sand passes through following process,
P1, to the organic silicon emulsion of quartz sand surface even application mass percent a concentration of 3%, and the spraying of organic silicon emulsion
The mass ratio of amount and quartz sand is 1:1；
P2, quartz sand of the baking Jing Guo P1 step process under the conditions of 85-100 DEG C, until the organic silicon emulsion of spraying is completely solid；
P3, after the quartz sand cooled to room temperature of P2 step process, sieving, obtain the quartz sand of 80-180 mesh grading grain sizes
It is spare.
By using above-mentioned technical proposal, the hydrophobicity of quartz sand is significantly greatly increased so that quartz sand is not hygroscopic, also not
Easily caused by the presence of thermal insulation material inner salt or climate change be heated/it is molten freeze etc. due tos it is cracking, useful life longevity is splendid.
In conclusion the invention has the advantages that：
1, waterglass is not added in being formulated, and will not be reacted with gypsum and be generated sodium sulphate, it will not be because of sodium sulphate during being used for a long time
Presence cause moisture to penetrate into the slit of quartz sand, insulation light-weight aggregate, be not easy because repeated crystallization swelling generate it is a large amount of micro-
Seam and hole so that moisture on thermal insulation material be used for a long time performance influence it is small；
2, the thermal insulation material of the specific substance proportioning of the present invention is powdered mixture, and when construction adds water to stir, and has and deposits
Storage, transport, advantage easy for construction；
3, the thermal insulation material thermal coefficient of the specific substance proportioning of the present invention is extremely low, high to the reflectivity of sunlight, insulation
Effect is better than commercially available similar-type products；
4, more preferably compared with methylcellulose, performance is more stable for the salt tolerance of modified methylated cellulose, the modification of the specific volume of the present invention
Methylcellulose can increase the water-retaining property of thermal insulation material, have the function of improving thermal insulation material workability；
5, latex powder can form polymer film in thermal insulation material hardening process, and the space multistory that molecule long-chain is formed is netted
Structure can coat quartz sand, insulation light-weight aggregate, promote adhesion strength, reduce shrinking percentage, and also have and adjust heat preservation
The effect of material consistency and water-retaining property；
6, anticracking fiber is evenly dispersed in thermal insulation material, crisscross, can hinder and limit the extension of microcrack, plays anti-
Split and improve the effect of durability；
7, high-performance reflective insulation gypsum base compound insulating material of the invention is simple with process, can utmostly reduce mixing
The characteristics of process is to the damage of insulation light-weight aggregate, end properties obtained are stablized, it is easier to store, transport, when construction adds
Water mixes and stirs, easy to use；
8, with organic silicon emulsion spraying and quartz sand surface, baking processing, has been significantly greatly increased quartz under the conditions of 85-100 DEG C
The hydrophobicity of sand so that quartz sand is not hygroscopic, be not easy to caused by the presence or climate change of thermal insulation material inner salt by
Heat/it is molten freeze etc. and it is cracking, useful life longevity is splendid.
Specific implementation mode
Below in conjunction with specific embodiment, invention is further described in detail.
Embodiment 1-9：
Embodiment 1-9 all refers to a kind of high-performance reflective insulation gypsum base compound insulating material, by weight each component content
As shown in the table：
The grading grain size of quartz sand used in wherein each embodiment, the grain size of insulation light-weight aggregate, insulation light-weight aggregate
The length parameter of real density, the viscosity of modified methylated cellulose used and anticracking fiber is as shown in the table：
Embodiment 10
A kind of high-performance reflective insulation gypsum base compound insulating material, based on embodiment 1, difference lies in：Quartz used
Sand is handled by hydrophobic, and specific treatment process is as follows,
P1, to the organic silicon emulsion of quartz sand surface even application mass percent a concentration of 3%, and the spraying of organic silicon emulsion
The mass ratio of amount and quartz sand is 1:1；
P2, quartz sand of the baking Jing Guo P1 step process under the conditions of 85 DEG C, until the organic silicon emulsion of spraying is completely solid；
P3, after the quartz sand cooled to room temperature of P2 step process, sieving, the quartz sand for obtaining 80 mesh grading grain sizes is standby
With.
Embodiment 11
A kind of high-performance reflective insulation gypsum base compound insulating material, based on embodiment 2, difference lies in：Quartz used
Sand is handled by hydrophobic, and specific treatment process is as follows,
P1, to the organic silicon emulsion of quartz sand surface even application mass percent a concentration of 3%, and the spraying of organic silicon emulsion
The mass ratio of amount and quartz sand is 1:1；
P2, quartz sand of the baking Jing Guo P1 step process under the conditions of 95 DEG C, until the organic silicon emulsion of spraying is completely solid；
P3, after the quartz sand cooled to room temperature of P2 step process, sieving, the quartz sand for obtaining 120 mesh grading grain sizes is standby
With.
Embodiment 12
A kind of high-performance reflective insulation gypsum base compound insulating material, based on embodiment 3, difference lies in：Quartz used
Sand is handled by hydrophobic, and specific treatment process is as follows,
P1, to the organic silicon emulsion of quartz sand surface even application mass percent a concentration of 3%, and the spraying of organic silicon emulsion
The mass ratio of amount and quartz sand is 1:1；
P2, quartz sand of the baking Jing Guo P1 step process under the conditions of 100 DEG C, until the organic silicon emulsion of spraying is completely solid；
P3, after the quartz sand cooled to room temperature of P2 step process, sieving, the quartz sand for obtaining 180 mesh grading grain sizes is standby
With.
Embodiment 13
A kind of high-performance reflective insulation gypsum base compound insulating material, based on embodiment 4, difference lies in：Quartz used
Sand is handled by hydrophobic, and specific treatment process is as follows,
P1, to the organic silicon emulsion of quartz sand surface even application mass percent a concentration of 3%, and the spraying of organic silicon emulsion
The mass ratio of amount and quartz sand is 1:1；
P2, quartz sand of the baking Jing Guo P1 step process under the conditions of 85 DEG C, until the organic silicon emulsion of spraying is completely solid；
P3, after the quartz sand cooled to room temperature of P2 step process, sieving, the quartz sand for obtaining 80 mesh grading grain sizes is standby
With.
Embodiment 14
A kind of high-performance reflective insulation gypsum base compound insulating material, based on embodiment 5, difference lies in：Quartz used
Sand is handled by hydrophobic, and specific treatment process is as follows,
P1, to the organic silicon emulsion of quartz sand surface even application mass percent a concentration of 3%, and the spraying of organic silicon emulsion
The mass ratio of amount and quartz sand is 1:1；
P2, quartz sand of the baking Jing Guo P1 step process under the conditions of 95 DEG C, until the organic silicon emulsion of spraying is completely solid；
P3, after the quartz sand cooled to room temperature of P2 step process, sieving, the quartz sand for obtaining 120 mesh grading grain sizes is standby
With.
Embodiment 15
A kind of high-performance reflective insulation gypsum base compound insulating material, based on embodiment 6, difference lies in：Quartz used
Sand is handled by hydrophobic, and specific treatment process is as follows,
P1, to the organic silicon emulsion of quartz sand surface even application mass percent a concentration of 3%, and the spraying of organic silicon emulsion
The mass ratio of amount and quartz sand is 1:1；
P2, quartz sand of the baking Jing Guo P1 step process under the conditions of 100 DEG C, until the organic silicon emulsion of spraying is completely solid；
P3, after the quartz sand cooled to room temperature of P2 step process, sieving, the quartz sand for obtaining 180 mesh grading grain sizes is standby
With.
Embodiment 16
A kind of preparation method of high-performance reflective insulation gypsum base compound insulating material, includes the following steps：
Step 1: by weight, weighing each component described in embodiment 1, each component is powder or pellet；
Step 2: first, semi-hydrated gypsum, quartz sand and polyethylene fibre being added into powder mixing and blending machine and stirred to equal
It is even；
Step 3: be added again into powder mixing and blending machine polyvinyl acetate emulsion powder, naphthalene sulfonic salt high efficiency water reducing agent and
Ethoxyl methyl cellulose ether continues to stir；
Step 4: Hollow Glass Sphere finally is added into powder mixing and blending machine, 30min, discharging are stirred with the rotating speed of 800rpm.
Embodiment 17
A kind of preparation method of high-performance reflective insulation gypsum base compound insulating material, includes the following steps：
Step 1: by weight, weighing each component described in embodiment 2, each component is powder or pellet；
Step 2: first, semi-hydrated gypsum, quartz sand and wood fibre being added into powder mixing and blending machine and are stirred until homogeneous；
Step 3: be added again into powder mixing and blending machine polyvinyl acetate emulsion powder, sulfamate high-effective water-reducing agent and
Hydroxypropyl methyl cellulose ether continues to stir；
Step 4: Hollow Glass Sphere and fine perlite are finally added into powder mixing and blending machine, stirred with the rotating speed of 900rpm
30min is mixed, is discharged.
Embodiment 18
A kind of preparation method of high-performance reflective insulation gypsum base compound insulating material, includes the following steps：
Step 1: by weight, weighing each component described in embodiment 3, each component is powder or pellet；
Step 2: first, semi-hydrated gypsum, quartz sand and polyethylene fibre being added into powder mixing and blending machine and stirred to equal
It is even；
Step 3: polyvinyl acetate emulsion powder, polycarboxylic acid series high efficiency water reducing agent, hydroxypropyl is added into powder mixing and blending machine again
Ylmethyl cellulose ether and ethoxyl methyl cellulose ether continue to stir；
Step 4: Hollow Glass Sphere and glass bead are finally added into powder mixing and blending machine, stirred with the rotating speed of 1000rpm
30min, discharging.
Embodiment 19
A kind of preparation method of high-performance reflective insulation gypsum base compound insulating material, includes the following steps：
Step 1: by weight, weighing each component described in embodiment 4, each component is powder or pellet；
Step 2: first, semi-hydrated gypsum, quartz sand and polyethylene fibre being added into powder mixing and blending machine and stirred to equal
It is even；
Step 3: polyacrylate latex powder, naphthalene sulfonic salt high efficiency water reducing agent and hydroxyl is added into powder mixing and blending machine again
Ethylmethylcellulose ether continues to stir；
Step 4: Hollow Glass Sphere finally is added into powder mixing and blending machine, 30min, discharging are stirred with the rotating speed of 800rpm.
Embodiment 20
A kind of preparation method of high-performance reflective insulation gypsum base compound insulating material, includes the following steps：
Step 1: by weight, weighing each component described in embodiment 5, each component is powder or pellet；
Step 2: first, semi-hydrated gypsum, quartz sand and wood fibre being added into powder mixing and blending machine and are stirred until homogeneous；
Step 3: polyacrylate latex powder, sulfamate high-effective water-reducing agent and hydroxyl is added into powder mixing and blending machine again
Propyl methocel ether continues to stir；
Step 4: Hollow Glass Sphere and fine perlite are finally added into powder mixing and blending machine, stirred with the rotating speed of 900rpm
30min is mixed, is discharged.
Embodiment 21
A kind of preparation method of high-performance reflective insulation gypsum base compound insulating material, includes the following steps：
Step 1: by weight, weighing each component described in embodiment 6, each component is powder or pellet；
Step 2: first, semi-hydrated gypsum, quartz sand and polyethylene fibre being added into powder mixing and blending machine and stirred to equal
It is even；
Step 3: polyacrylate latex powder, polycarboxylic acid series high efficiency water reducing agent, hydroxypropyl is added into powder mixing and blending machine again
Methyl cellulose ether and ethoxyl methyl cellulose ether continue to stir；
Step 4: Hollow Glass Sphere and glass bead are finally added into powder mixing and blending machine, stirred with the rotating speed of 1000rpm
30min, discharging.
Embodiment 22
A kind of preparation method of high-performance reflective insulation gypsum base compound insulating material, includes the following steps：
Step 1: by weight, weighing each component described in embodiment 7, each component is powder or pellet；
Step 2: first, semi-hydrated gypsum, quartz sand and polyethylene fibre being added into powder mixing and blending machine and stirred to equal
It is even；
Step 3: be added again into powder mixing and blending machine polyvinyl acetate emulsion powder, naphthalene sulfonic salt high efficiency water reducing agent and
Ethoxyl methyl cellulose ether continues to stir；
Step 4: Hollow Glass Sphere finally is added into powder mixing and blending machine, 30min, discharging are stirred with the rotating speed of 850rpm.
Embodiment 23
A kind of preparation method of high-performance reflective insulation gypsum base compound insulating material, includes the following steps：
Step 1: by weight, weighing each component described in embodiment 8, each component is powder or pellet；
Step 2: first, high strength gypsum, quartz sand and polyethylene fibre being added into powder mixing and blending machine and stirred to equal
It is even；
Step 3: polyacrylate latex powder, sulfamate high-effective water-reducing agent and hydroxyl is added into powder mixing and blending machine again
Propyl methocel ether continues to stir；
Step 4: Hollow Glass Sphere finally is added into powder mixing and blending machine, 30min, discharging are stirred with the rotating speed of 950rpm.
Embodiment 24
A kind of preparation method of high-performance reflective insulation gypsum base compound insulating material, includes the following steps：
Step 1: by weight, weighing each component described in embodiment 9, each component is powder or pellet；
Step 2: first, semi-hydrated gypsum, desulfurated plaster, quartz sand and wood fibre being added into powder mixing and blending machine and stirred
It mixes to uniform；
Step 3: polyvinyl acetate emulsion powder, polycarboxylic acid series high efficiency water reducing agent and hydroxyl is added into powder mixing and blending machine again
Propyl methocel ether continues to stir；
Step 4: fine perlite and glass bead are finally added into powder mixing and blending machine, stirred with the rotating speed of 1000rpm
30min, discharging.
Embodiment 25
A kind of preparation method of high-performance reflective insulation gypsum base compound insulating material, includes the following steps：
Step 1: by weight, weighing each component described in embodiment 10, each component is powder or pellet；
Step 2: first, semi-hydrated gypsum, quartz sand and polyethylene fibre being added into powder mixing and blending machine and stirred to equal
It is even；
Step 3: be added again into powder mixing and blending machine polyvinyl acetate emulsion powder, naphthalene sulfonic salt high efficiency water reducing agent and
Ethoxyl methyl cellulose ether continues to stir；
Step 4: Hollow Glass Sphere finally is added into powder mixing and blending machine, 30min, discharging are stirred with the rotating speed of 800rpm.
Embodiment 26
A kind of preparation method of high-performance reflective insulation gypsum base compound insulating material, includes the following steps：
Step 1: by weight, weighing each component described in embodiment 11, each component is powder or pellet；
Step 2: first, semi-hydrated gypsum, quartz sand and wood fibre being added into powder mixing and blending machine and are stirred until homogeneous；
Step 3: be added again into powder mixing and blending machine polyvinyl acetate emulsion powder, sulfamate high-effective water-reducing agent and
Hydroxypropyl methyl cellulose ether continues to stir；
Step 4: Hollow Glass Sphere and fine perlite are finally added into powder mixing and blending machine, stirred with the rotating speed of 900rpm
30min is mixed, is discharged.
Embodiment 27
A kind of preparation method of high-performance reflective insulation gypsum base compound insulating material, includes the following steps：
Step 1: by weight, weighing each component described in embodiment 12, each component is powder or pellet；
Step 2: first, semi-hydrated gypsum, quartz sand and polyethylene fibre being added into powder mixing and blending machine and stirred to equal
It is even；
Step 3: polyvinyl acetate emulsion powder, polycarboxylic acid series high efficiency water reducing agent, hydroxypropyl is added into powder mixing and blending machine again
Ylmethyl cellulose ether and ethoxyl methyl cellulose ether continue to stir；
Step 4: Hollow Glass Sphere and glass bead are finally added into powder mixing and blending machine, stirred with the rotating speed of 1000rpm
30min, discharging.
Embodiment 28
A kind of preparation method of high-performance reflective insulation gypsum base compound insulating material, includes the following steps：
Step 1: by weight, weighing each component described in embodiment 13, each component is powder or pellet；
Step 2: first, semi-hydrated gypsum, quartz sand and polyethylene fibre being added into powder mixing and blending machine and stirred to equal
It is even；
Step 3: polyacrylate latex powder, naphthalene sulfonic salt high efficiency water reducing agent and hydroxyl is added into powder mixing and blending machine again
Ethylmethylcellulose ether continues to stir；
Step 4: Hollow Glass Sphere finally is added into powder mixing and blending machine, 30min, discharging are stirred with the rotating speed of 800rpm.
Embodiment 29
A kind of preparation method of high-performance reflective insulation gypsum base compound insulating material, includes the following steps：
Step 1: by weight, weighing each component described in embodiment 14, each component is powder or pellet；
Step 2: first, semi-hydrated gypsum, quartz sand and wood fibre being added into powder mixing and blending machine and are stirred until homogeneous；
Step 3: polyacrylate latex powder, sulfamate high-effective water-reducing agent and hydroxyl is added into powder mixing and blending machine again
Propyl methocel ether continues to stir；
Step 4: Hollow Glass Sphere and fine perlite are finally added into powder mixing and blending machine, stirred with the rotating speed of 900rpm
30min is mixed, is discharged.
Embodiment 30
A kind of preparation method of high-performance reflective insulation gypsum base compound insulating material, includes the following steps：
Step 1: by weight, weighing each component described in embodiment 15, each component is powder or pellet；
Step 2: first, semi-hydrated gypsum, quartz sand and polyethylene fibre being added into powder mixing and blending machine and stirred to equal
It is even；
Step 3: polyacrylate latex powder, polycarboxylic acid series high efficiency water reducing agent, hydroxypropyl is added into powder mixing and blending machine again
Methyl cellulose ether and ethoxyl methyl cellulose ether continue to stir；
Step 4: Hollow Glass Sphere and glass bead are finally added into powder mixing and blending machine, stirred with the rotating speed of 1000rpm
30min, discharging.
Performance test
It is CN106316320A with application publication number, entitled " a kind of resistance to tidal stencils gypsum base compound insulating material and its preparation side
The embodiment 10-12 of method " is reference examples 1-3.
It is respectively examination so that high-performance reflective insulation gypsum base compound insulating material is made by 16-30 methods of the embodiment of the present invention
Sample 1-15.
With reference to DB31/T 895-2015《Reflective heat-insulation paint combines desulfurated plaster light-weight aggregate mortar heat-insulation system application skill
Art regulation》Performance detection is carried out to sample 1-15, reference examples 1-3 respectively, test result is as follows shown in table：
Contrast table 3, table 4 and 5 data of table it is found that the present invention high-performance reflective insulation gypsum base compound insulating material or by this
The compound packet thermal insulation material of high-performance reflective insulation gypsum base prepared by inventive method, thermal coefficient is down to 0.030W/ (mK), too
Sunlight reflectivity reaches 65% or more, and near-infrared reflection ratio reaches 0.79 or more, has good reflective insulation performance.And not
Under the premise of adding binder, methyltriethoxysilane and organo montmorillonite, dry strength, compression strength, pressure alkali adhesion strength,
Thermal coefficient, sun light reflectivity and near-infrared reflection ratio reaches and reference examples（CN106316320A）Quite or it is better than
The degree of reference examples.The high-performance reflective insulation gypsum base compound insulating material of the present invention or the height prepared by the method for the present invention
The compound packet performance of heat protective material of performance reflective insulation gypsum base is excellent and manufacturing cost is lower.
The volume water absorption rate of reference examples 1-3, sample 1-6 and sample 10-15 are measured with reference to DG/TJ08-2088-2011,
Test result is as shown in the table：
By the test data of table 6 it is found that the present invention high-performance reflective insulation gypsum base compound insulating material or by the present invention
The volume water absorption rate of the compound packet thermal insulation material of high-performance reflective insulation gypsum base prepared by method is less than reference examples
（CN106316320A）, there is better water resistance.Meanwhile the experimental data of control sample 1-6 and sample 10-15 are it is found that stone
After organic silicon emulsion spraying-baking processing, the volume water absorption rate of thermal insulation material is substantially reduced sand.Further, since formula
In do not add can and gypsum reaction generate sodium sulphate waterglass so that the compound guarantor of high-performance reflective insulation gypsum base of the invention
Adiabator or by the method for the present invention prepare the compound packet thermal insulation material of high-performance reflective insulation gypsum base after construction, Neng Gouchang
Tolerance rainwater is scrubbed and is impregnated long.Moisture is less prone to because of sodium ion（It ionizes and is precipitated after sodium sulphate hydrolysis）Presence, and it is big
The microcrack on amount into quartz sand, heat preserving and insulating material surface is even internal, reduces because of inorganic salts crystalline volume after moisture evaporation
It expands and quartz sand, heat preserving and insulating material surface microcracks is caused to expand, do not easily cause quartz sand, heat preserving and insulating material rupture, it is right
The useful life longevity of thermal insulation material, against weather have influence actively and positively.
Above-mentioned specific embodiment is only explanation of the invention, is not limitation of the present invention, art technology
Personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but as long as
It is all protected by Patent Law in scope of the presently claimed invention.
Claims (10)
1. a kind of high-performance reflective insulation gypsum base compound insulating material, it is characterised in that：For dry powder-shaped mixture, including press weight
The following component of part meter is measured,
400-600 parts of gypsum
250-500 parts of quartz sand
100-150 parts of insulation light-weight aggregate
3-5 parts of modified methylated cellulose
5-10 parts of water-reducing agent
6-15 parts of latex powder
1-15 parts of anticracking fiber.
2. high-performance reflective insulation gypsum base compound insulating material according to claim 1, it is characterised in that：The quartz
Sand is the quartz sand of 80-180 mesh grading grain sizes.
3. high-performance reflective insulation gypsum base compound insulating material according to claim 2, it is characterised in that：The quartz
Sand passes through following process,
P1, to the organic silicon emulsion of quartz sand surface even application mass percent a concentration of 3%, and the spraying of organic silicon emulsion
The mass ratio of amount and quartz sand is 1:1；
P2, quartz sand of the baking Jing Guo P1 step process under the conditions of 85-100 DEG C, until the organic silicon emulsion of spraying is completely solid；
P3, after the quartz sand cooled to room temperature of P2 step process, sieving, obtain the quartz sand of 80-180 mesh grading grain sizes
It is spare.
4. high-performance reflective insulation gypsum base compound insulating material according to claim 1, it is characterised in that：The heat preservation
Heat-insulated light-weight aggregate is one or more in Hollow Glass Sphere, glass bead and fine perlite, and grain size is 2-200 μm.
5. high-performance reflective insulation gypsum base compound insulating material according to claim 4, it is characterised in that：The heat preservation
The real density of heat-insulated light-weight aggregate is 0.1-0.9g/cm3。
6. high-performance reflective insulation gypsum base compound insulating material according to claim 1, it is characterised in that：The modification
Methylcellulose is ethoxyl methyl cellulose ether or hydroxypropyl methyl cellulose ether.
7. high-performance reflective insulation gypsum base compound insulating material according to claim 6, it is characterised in that：The modification
The viscosity of methylcellulose is 30000-200000mPas.
8. high-performance reflective insulation gypsum base compound insulating material according to claim 1, it is characterised in that：The diminishing
Agent is in the naphthalene sulfonic salt high efficiency water reducing agent, sulfamate high-effective water-reducing agent or polycarboxylic acid series high efficiency water reducing agent of powdery
It is one or more kinds of；The latex powder is polyvinyl acetate or polyacrylate；It is 3- that the anticracking fiber, which selects length,
The wood fibre that the polyethylene fibre or length of 6mm is 100-200 μm.
9. a kind of preparation method of high-performance reflective insulation gypsum base compound insulating material, it is characterised in that：Include the following steps,
Step 1: by weight, weighing 400-600 parts of gypsum, 250-500 parts of quartz sand, insulation light-weight aggregate 100-150
Part, 3-5 parts of modified methylated cellulose, 5-10 parts of water-reducing agent, 6-15 parts of latex powder and 1-15 parts of anticracking fiber；
Step 2: first, gypsum, quartz sand and anticracking fiber being added and being stirred until homogeneous into mixing machine；
Step 3: latex powder, water-reducing agent and modified methylated cellulose is added into mixing machine again, continue to stir；
Step 4: insulation light-weight aggregate is finally added into mixing machine, 30min is stirred with the rotating speed of 800-1000rpm, is gone out
Material.
10. the preparation method of high-performance reflective insulation gypsum base compound insulating material according to claim 9, feature exist
In：The quartz sand passes through following process,
P1, to the organic silicon emulsion of quartz sand surface even application mass percent a concentration of 3%, and the spraying of organic silicon emulsion
The mass ratio of amount and quartz sand is 1:1；
P2, quartz sand of the baking Jing Guo P1 step process under the conditions of 85-100 DEG C, until the organic silicon emulsion of spraying is completely solid；
P3, after the quartz sand cooled to room temperature of P2 step process, sieving, obtain the quartz sand of 80-180 mesh grading grain sizes
It is spare.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109456007A (en) * | 2018-12-26 | 2019-03-12 | 陕西天石实业有限责任公司 | It lays a railway track C40 self-compacting concrete and preparation method thereof |
| CN109776061A (en) * | 2019-04-03 | 2019-05-21 | 重庆建大建筑材料有限公司 | A kind of high-strength light degree type exterior wall internal insulation gypsum and preparation method thereof |
| CN111592316A (en) * | 2020-05-25 | 2020-08-28 | 贵州省昊越新型材料科技有限公司 | Gypsum heat-insulating mortar |
| CN111606686A (en) * | 2020-05-22 | 2020-09-01 | 大厂金隅涂料有限责任公司 | Flame-retardant heat-preservation heat-insulation coating and preparation method thereof |
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| CN106316320A (en) * | 2016-08-18 | 2017-01-11 | 苏州大乘环保建材有限公司 | Moisture-resistant gypsum-based composite heat insulating material and preparing method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109456007A (en) * | 2018-12-26 | 2019-03-12 | 陕西天石实业有限责任公司 | It lays a railway track C40 self-compacting concrete and preparation method thereof |
| CN109776061A (en) * | 2019-04-03 | 2019-05-21 | 重庆建大建筑材料有限公司 | A kind of high-strength light degree type exterior wall internal insulation gypsum and preparation method thereof |
| CN111606686A (en) * | 2020-05-22 | 2020-09-01 | 大厂金隅涂料有限责任公司 | Flame-retardant heat-preservation heat-insulation coating and preparation method thereof |
| CN111592316A (en) * | 2020-05-25 | 2020-08-28 | 贵州省昊越新型材料科技有限公司 | Gypsum heat-insulating mortar |
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| CN108751900B (en) | 2020-12-08 |
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