CN108410245A - A kind of heat insulating inner wall putty and preparation method - Google Patents
A kind of heat insulating inner wall putty and preparation method Download PDFInfo
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- CN108410245A CN108410245A CN201810245467.0A CN201810245467A CN108410245A CN 108410245 A CN108410245 A CN 108410245A CN 201810245467 A CN201810245467 A CN 201810245467A CN 108410245 A CN108410245 A CN 108410245A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/34—Filling pastes
Abstract
The invention discloses a kind of heat insulating inner wall putty and preparation methods, include each component of following mass percentage：Precipitated calcium carbonate powder 20 30%, floating bead 15 20%, titanium dioxide 10 15%, oyster shell whiting 25 30%, nano heat-insulating insulating powder 3 5%, lignocellulosic 0.2 0.3%, alum powder 0.3 0.5%, bentonite 1 2%, polyvinyl alcohol 2,488 2 4%, N methyl trimethoxies yl acetamide 1 2%, 4 methyl pyrocatechols 1 2%, carboxymethyl cellulose 0.2 0.3%, redispersable latex powder 3 5%, pre-gelatinized starch 0.2 0.3%, thixotropic agent aluminium-magnesium silicate 1 2%.The putty that raw material and addition sequence using the present invention obtain can greatly play the advantage of floating bead, and the water-alkali resistance of gained putty is greatly improved with the adhesion strength and heat preservation and insulation of base material.
Description
Technical field
The invention belongs to building material technical fields, and in particular to a kind of heat insulating inner wall putty and preparation method.
Background technology
It is big that the fast development of social science and technology and social production now, the energy and environment become people increasingly attract attention two
Problem, so to energy saving and environmentally friendly more stringent requirements are proposed.Heat preserving and insulating material comes into being accordingly, it can appoint not consuming
In the case of what the external energy, body surface temperature and internal temperature are effectively reduced, reaches the saving energy, reduces energy consumption, is improved
The purpose of safety.China's existing building area reaches hundred million m more than 4002, 95% or more belongs to high energy consumption building, and building energy consumption is
Reach 30% or more of social total energy consumption, becomes the weakness of China's economic development, it is extremely urgent to carry out building energy conservation.
Putty is a kind of decorative material of smooth surface of wall, is a kind of thick slurry coating material, be divided into as powder of lacquer putty for use on and
Putty paste is mainly used for before coating painting to the levelling of wall or directly as architectural surface, general blade coating more than priming paint or
Directly blade coating is on metope, to cover the defect that highland is uneven on metope.Putty is divided into two kinds of interior wall and exterior wall, exterior wall putty
It resists and exposes to the weather so colloidality is big, intensity is high, environmentally friendly index is slightly lower, and inner wall putty composite index is preferable, health environment-friendly.Mesh
Auxiliary agent is kept the temperature by addition in preceding inner wall putty and reaches heat insulation effect, the common auxiliary agent that keeps the temperature is divided into organic heat-insulating and inorganic
Two major classes are kept the temperature, organic insulation material poor heat resistance is easy burning, inorganic heat insulation material (such as perlite, boiling rock, diatomite, sea
Float stone, expanded vermiculite etc.) the problems such as generally existing intensity is low, globality poor, high water absorption rate.
Number of patent application CN201710695297.1 discloses interior wall and keeps the temperature antibacterial powder of lacquer putty for use on, including base-material, filler and
Auxiliary agent, the base-material, filler and auxiliary agent include mainly following component according to parts by weight：Wherein, base-material includes latex powder 10-15
Part；Filler includes 10-15 parts of 50-70 parts of calcium carbonate, 10-14 parts of titanium dioxide, 8-10 parts of cellulose and diatomite；Auxiliary agent includes protecting
Warm auxiliary agent and antibacterial auxiliary agent, heat preservation auxiliary agent includes 9-13 parts of 7-11 parts of sepiolite powder, 20-30 parts of expanded pearlite powder and vermiculite power,
Antibacterial auxiliary agent includes 5-8 parts of oyster shell whiting, 2-4 parts of Ground Cloves, African 1-2 parts of jasmine powder, 4-6 parts of copper stearate soap powder, bamboo charcoal powder
4-8 parts and 0.3-0.7 parts of nano-silver powder.The powder of lacquer putty for use on intensity and hardness that the present invention synthesizes are low, and the requirement of construction is not achieved, water suction
Rate is higher, is easy shrinkage cracking, and heat preservation and insulation is poor.
Invention content
The purpose of the present invention is overcome the deficiencies of the prior art and provide a kind of heat insulating inner wall putty and preparation method.
The present invention provides a kind of heat insulating inner wall putties, include each component of following mass percentage：Precipitated calcium carbonate
Powder 20-30%, floating bead 15-20%, titanium dioxide 10-15%, oyster shell whiting 25-30%, nano heat-insulating insulating powder 3-5%, wooden fibre
Tie up element 0.2-0.3%, alum powder 0.3-0.5%, bentonite 1-2%, polyvinyl alcohol 2488 2-4%, N- methyl trimethoxy base acetyl
Amine 1-2%, 4- methyl pyrocatechol 1-2%, carboxymethyl cellulose 0.2-0.3%, redispersable latex powder 3-5%, pre-gelatinized
Starch 0.2-0.3%, thixotropic agent aluminium-magnesium silicate 1-2%.
Preferably, the heat insulating inner wall putty includes each component of following mass percentage：Precipitated calcium carbonate powder 24%,
Floating bead 18%, titanium dioxide 15%, oyster shell whiting 25%, nano heat-insulating insulating powder 4%, lignocellulosic 0.2%, alum powder 0.3%,
Bentonite 1.5%, polyvinyl alcohol 2,488 4%, N- methyl trimethoxies yl acetamide 1%, 4- methyl pyrocatechols 2%, carboxymethyl are fine
Dimension element 0.3%, redispersable latex powder 3%, pre-gelatinized starch 0.2%, thixotropic agent aluminium-magnesium silicate 1.5%.
Preferably, the grain size of the nano heat-insulating insulating powder is 8-12nm.
Preferably, the fineness of the alum powder is 100-300 mesh.
Preferably, the bentonite is sodium bentonite.
Preferably, the viscosity of the carboxymethyl cellulose is 5-10 ten thousand.
The present invention also provides the preparation methods of heat insulating inner wall putty, include the following steps：In the stirring of 20-30r/min
Under sequentially add precipitated calcium carbonate powder 20-30%, oyster shell whiting 25-30%, N- methyl trimethoxy yl acetamide 1-2%, 4- methyl are adjacent
Benzenediol 1-2%, floating bead 15-20%, nano heat-insulating insulating powder 3-5%, titanium dioxide 10-15%, thixotropic agent aluminium-magnesium silicate 1-
2%, bentonite 1-2%, redispersable latex powder 3-5%, polyvinyl alcohol 2488 2-4%, alum powder 0.3-0.5%, carboxymethyl
Cellulose 0.2-0.3%, lignocellulosic 0.2-0.3%, pre-gelatinized starch 0.2-0.3% after adding, continue to stir 10-
30min obtains heat insulating inner wall putty powder after mixing.Under the stirring of 20-30r/min, by tap water and heat insulating inner wall putty powder
According to mass ratio 1:1 mixing, obtains heat insulating inner wall putty cream after stirring evenly.
Heretofore described precipitated calcium carbonate is the supply of Shijiazhuang first rays of the morning sun Refractory Co., ltd, fineness 2500
Mesh.
Heretofore described floating bead is the supply of Chen Yinaicai abrasive materials Co., Ltd of Gongyi City, and fineness is 100-400 mesh.
Heretofore described titanium dioxide is the rutile type titanium white that Zhengzhou Guang Chen trade Co., Ltds provide.
Heretofore described oyster shell whiting is Lingshou County along the supply of damp mineral products processing factory.
Heretofore described nano heat-insulating insulating powder is the Vk-R30E of Xuancheng Profile, anhui Province Jing Rui new materials Co., Ltd supply
Heat-insulating powder.
Heretofore described lignocellulosic is the supply of Jinan Jun Teng Chemical Co., Ltd.s.
Heretofore described alum powder is the supply of Wenzhou Zheng Bang Chemical Co., Ltd.s.
Heretofore described bentonite is the sodium bentonite of Pingqiao District Wanshan Mountain mineral article factory supply.
Heretofore described polyvinyl alcohol 2488 is the supply of Guangzhou Yin Huan Chemical Co., Ltd.s.
Heretofore described N- methyl trimethoxies yl acetamide is the supply of Hubei Xin Kang medication chemistries Co., Ltd.
Heretofore described 4- methyl pyrocatechols are the supply of Dongguan City Vassili Chemical Co., Ltd..
Heretofore described carboxymethyl cellulose is the supply of Renqiu City Tian Run Chemical Co., Ltd.s.
Heretofore described redispersable latex powder is the supply of Guangzhou Sheng Bao Chemical Co., Ltd.s.
Heretofore described pre-gelatinized starch is the supply of Renqiu City Yongshun Chemical Co., Ltd..
Heretofore described thixotropic agent aluminium-magnesium silicate is the supply of Zhengzhou Zhong Run chemical products Co., Ltd.
In the present invention main component of oyster shell whiting be calcium carbonate, the calcified materials such as calcium containing small amounts and calcium hydroxide,
Body is porous fibrous double helix construction structure again, so have effects that absorption, decomposing formaldehyde, while also can be by having in air
Evil gas such as benzene, TVOC, ammonia etc. is effectively removed.The compound of calcium is chiefly used in eliminating smell agent, therefore shell in life
Powder, which can all have indoor smell and indoor miscellaneous taste, effectively dispels effect, the oxygen especially distributed indoors to cigarette
Changing carbon and dust Capacity has suction-operated.
Sodium bentonite in the present invention is one kind of soil type.Usually based on montmorillonite, content is in 40%-
90%, it is in dioctahedron, next has a small amount of quartz, kaolinite, feldspar, mica, zeolite, illite etc..Have in powder of lacquer putty for use on
Water retention and filling effect.
Thixotropic agent in the present invention is aluminium-magnesium silicate, and aluminium-magnesium silicate (disintegrant) has unique three dimensions chain type knot
Structure and special needle, rhabdolith structure, form the association networks of " card palace " formula in aqueous medium, which exists
In water-based system with strong constraint, isolation, suspend, lift all kinds of fine contents including solid particle, lotion, gas
The ability of matter, the high thixotropic with low sheraing high viscosity, high shear low viscosity, thus have unusual colloid and adsorptivity
Can, it is widely used in paint industry.
The main chemical compositions of floating bead are the oxide of silicon, aluminium, are that a kind of intensity is high, and hard microballoon, it can increase
Hardness, wash-resistant property and the wearability of strong coating；Different from the particle of irregular shape, floating bead is easy to roll between each other
Dynamic, this makes there is lower viscosity, preferable mobility using the system of floating bead.Floating bead has high refractoriness, and
Insulation is excellent (thermal coefficient room temperature 0.08-0.1), this, which exhibits one's skill to the full for it in lightweight thermal insulation material field, establishes
Basis.Although the performance of floating bead is better than other inorganic heat insulation materials, seldom it is applied to heat preservation putty at present, especially
It is heat insulating inner wall putty.This is because being added, although floating bead heat insulation and preservation effect is notable, it belongs to hard material, cracky,
Heat insulation and preservation effect after breakage substantially reduces；And it is added that the putty film after floating bead is thicker, and coating surface is coarse, it is decorative
Difference；Coating surface is porous, and compact in paint film is inadequate, leads to paint film poor water resistance；It is weak with the cohesive force of base after putty coating,
It is easy to fall off, durability is poor, and then influences its waterproof thermal-insulated performance.
The present invention mixes floating bead, N- methyl trimethoxies yl acetamide, 4- methyl pyrocatechols and other raw materials, can be very big
Performance floating bead advantage, overcome its defect, the intensity and hardness of gained powder of lacquer putty for use on are high, and water absorption rate is low, not will produce contraction and opens
It splits, not only meets the dicoration of inner wall putty, more there is excellent water proofing property and heat insulating effect, coating densification flexibility
Good, acid and alkali-resistance infiltration, heat insulation and preservation effect is good, and strong with the cohesive force of base after coating, durability is good, can brush and become in temperature
Frequently, coefficient of thermal expansion is big or shakes heat-insulation and heat-preservation on frequent body surface, avoids the variable expansion of object temperature, contraction or length
Insulating is cracked when time is shaken falls off.
Since floating bead belongs to hard material, cracky, therefore in order to prevent its be stirred it is broken, in preparation process, drift
Pearl is typically what is be eventually adding, and such addition sequence makes the advantage of floating bead not be not fully exerted, for improving putty
Mobility and levelability effect unobvious.The present invention is by being first added precipitated calcium carbonate powder, oyster shell whiting, N- methyl trimethoxy base second
Amide and 4- methyl pyrocatechols, can protect floating bead, it is not easy to and it is damaged, it is added, can greatly increase before to realize
Add the mobility of each component, reduce shrinking percentage, makes to be uniformly mixed between each component.
The beneficial effects of the invention are as follows：
1, the present invention mixes floating bead, N- methyl trimethoxies yl acetamide, 4- methyl pyrocatechols and other raw materials, Neng Gouji
The advantage of big performance floating bead, the intensity and hardness of gained powder of lacquer putty for use on are high, and water absorption rate is low, not will produce shrinkage cracking, not only full
The dicoration of sufficient inner wall putty more has excellent water proofing property and heat insulating effect, and coating densification flexibility is good, and acid and alkali-resistance oozes
Thoroughly, heat insulation and preservation effect is good, and strong with the cohesive force of base after coating, durability is good.
2, heat insulating inner wall putty of the invention has good water resistance and adhesion strength, the not hollowing of the basal plane after wiping,
It does not crack, does not lose powder, while is easy for construction, putty layer compact structure after blade coating keeps ventilative and forms a film naturally, makes metope more
Smoothly, the usage amount of emulsion paint is saved, and easy to operate, stable quality.
3, heat insulating inner wall putty itself of the invention is without poisonous and harmful substance, and the component added also has appropriateness absorption empty
The effect of harmful substance in gas has the function that purify air.
4, it is uniformly mixed between each component in putty obtained by the method for raw material using the present invention and the combination present invention, it can
Protect floating bead, it is not easy to it is damaged, it is added before to realize, the mobility of each component can greatly be increased, reduced and shrink
Rate.
Specific implementation mode
The specific implementation mode of the present invention is described further with reference to embodiment, is not therefore limited the invention to
Within the scope of the embodiment described.
Embodiment 1
Precipitated calcium carbonate powder 20%, oyster shell whiting 27%, N- methyl trimethoxy bases are sequentially added under the stirring of 20-30r/min
Acetamide 1.5%, 4- methyl pyrocatechols 1.5%, floating bead 20%, nano heat-insulating insulating powder 5%, titanium dioxide 12.7%, thixotroping
Agent aluminium-magnesium silicate 2%, bentonite 1%, redispersable latex powder 5%, polyvinyl alcohol 2,488 3%, alum powder 0.5%, carboxymethyl
Cellulose 0.2%, lignocellulosic 0.3%, pre-gelatinized starch 0.3% after adding, continue to stir 10-30min, after mixing
To heat insulating inner wall putty powder.Under the stirring of 20-30r/min, by tap water and heat insulating inner wall putty powder according to mass ratio 1:1 is mixed
It closes, heat insulating inner wall putty cream is obtained after stirring evenly.
Embodiment 2
Precipitated calcium carbonate powder 24%, oyster shell whiting 25%, N- methyl trimethoxy bases are sequentially added under the stirring of 20-30r/min
Acetamide 1%, 4- methyl pyrocatechols 2%, floating bead 18%, nano heat-insulating insulating powder 4%, titanium dioxide 15%, thixotropic agent silicic acid
Magnalium 1.5%, bentonite 1.5%, redispersable latex powder 3%, polyvinyl alcohol 2,488 4%, alum powder 0.3%, carboxymethyl are fine
Dimension element 0.3%, lignocellulosic 0.2%, pre-gelatinized starch 0.2% after adding, continue to stir 10-30min, be obtained after mixing
Heat insulating inner wall putty powder.Under the stirring of 20-30r/min, by tap water and heat insulating inner wall putty powder according to mass ratio 1:1 is mixed
It closes, heat insulating inner wall putty cream is obtained after stirring evenly.
Embodiment 3
Precipitated calcium carbonate powder 30%, oyster shell whiting 30%, N- methyl trimethoxy bases are sequentially added under the stirring of 20-30r/min
Acetamide 2%, 4- methyl pyrocatechols 1%, floating bead 15%, nano heat-insulating insulating powder 3%, titanium dioxide 10%, thixotropic agent silicic acid
Magnalium 1%, bentonite 2%, redispersable latex powder 3%, polyvinyl alcohol 2,488 2%, alum powder 0.3%, carboxymethyl cellulose
0.2%, lignocellulosic 0.2%, pre-gelatinized starch 0.3% after adding, continues to stir 10-30min, interior wall is obtained after mixing
Heat insulating putty powder.Under the stirring of 20-30r/min, by tap water and heat insulating inner wall putty powder according to mass ratio 1:1 mixing, is stirred
Heat insulating inner wall putty cream is obtained after mixing uniformly.
Comparative example 1
Precipitated calcium carbonate powder 25%, oyster shell whiting 25%, 4- methyl neighbours benzene two are sequentially added under the stirring of 20-30r/min
Phenol 2%, floating bead 18%, nano heat-insulating insulating powder 4%, titanium dioxide 15%, thixotropic agent aluminium-magnesium silicate 1.5%, bentonite 1.5%,
Redispersable latex powder 3%, polyvinyl alcohol 2,488 4%, alum powder 0.3%, carboxymethyl cellulose 0.3%, lignocellulosic
0.2%, pre-gelatinized starch 0.2% after adding, continues to stir 10-30min, heat insulating inner wall putty powder is obtained after mixing.In 20-
Under the stirring of 30r/min, by tap water and heat insulating inner wall putty powder according to mass ratio 1:1 mixing, interior wall is obtained after stirring evenly
Heat preservation putty cream.
Comparative example 2
Precipitated calcium carbonate powder 25%, oyster shell whiting 26%, floating bead 19%, nanometer are sequentially added under the stirring of 20-30r/min
Heat-insulation and heat-preservation powder 4%, titanium dioxide 15%, thixotropic agent aluminium-magnesium silicate 1.5%, bentonite 1.5%, redispersable latex powder 3% gather
Vinyl alcohol 2,488 4%, alum powder 0.3%, carboxymethyl cellulose 0.3%, lignocellulosic 0.2%, pre-gelatinized starch 0.2%,
After adding, continues to stir 10-30min, heat insulating inner wall putty powder is obtained after mixing.It, will originally under the stirring of 20-30r/min
Water and heat insulating inner wall putty powder are according to mass ratio 1:1 mixing, obtains heat insulating inner wall putty cream after stirring evenly.
Comparative example 3
Sequentially add precipitated calcium carbonate powder 25% under the stirring of 20-30r/min, oyster shell whiting 26%, sepiolite powder 5%,
Expanded pearlite powder 4%, vermiculite power 10%, nano heat-insulating insulating powder 4%, titanium dioxide 15%, thixotropic agent aluminium-magnesium silicate 1.5% are swollen
Profit soil 1.5%, redispersable latex powder 3%, polyvinyl alcohol 2,488 4%, alum powder 0.3%, carboxymethyl cellulose 0.3%, wood
Matter cellulose 0.2%, pre-gelatinized starch 0.2% after adding, continue to stir 10-30min, heat insulating inner wall putty are obtained after mixing
Powder.Under the stirring of 20-30r/min, by tap water and heat insulating inner wall putty powder according to mass ratio 1:1 mixing, after stirring evenly
Obtain heat insulating inner wall putty cream.
Comparative example 4
According to the raw material and the obtained heat insulating inner wall putty powder of method in patent CN201610915716.3.
The performance of heat insulating inner wall putty obtained by embodiment 1-3 and comparative example 1-4 is tested, as a result such as the following table 1.
Wherein, steps are as follows for the Determination of conductive coefficients of putty：Putty is made to the sample of Φ 10mm × 1mm, after conserving 7d,
Drying to constant weight, and at 25 DEG C, Measured Results of Thermal Conductivity is carried out with laser method heat transfer analysis instrument LFA457；Other performances of putty are pressed
According to test stone JG/T3049-1998《Architecture indoor putty》Regulation carry out.
1 heat insulating inner wall putty the performance test results of table
As can be seen from the above table, the heat insulating inner wall putty that raw material using the present invention and method obtain and comparative example phase
Than alkaline-resisting infiltration, water-proof, heat-insulating, heat-preserving effect is good, and stronger with the cohesive force of base after coating, durability is good.With comparative example
1 compares, and the thermal coefficient of present invention gained putty is less than comparative example 1, illustrates that the heat preservation and insulation of putty is preferable, and its is resistance to
Water and alkali resistance are better than comparative example 1, also illustrate and the water-fast of putty obtained by N- methyl trimethoxies yl acetamide is not added, alkaline-resisting
Property, it can be reduced with the adhesion strength and heat preservation and insulation of base material.Compared with comparative example 2, putty is resistance to obtained by the present invention
It is aqueous, it is good with the adhesion strength and heat preservation and insulation of base material, illustrate to be not added with 4- methyl pyrocatechols and N- methyl trimethoxies
The performance of putty obtained by yl acetamide substantially reduces, and the stability of coating is poor, and Storage period is short.Compared with comparative example 3 and 4, this
The water resistance of invention gained putty, it is good with the adhesion strength and heat preservation and insulation of base material, illustrate the present invention by floating bead, N-
Methyl trimethoxy yl acetamide, 4- methyl pyrocatechols and other raw materials mixing, and addition sequence using the present invention obtain it is interior
Wall thermal insulation putty can greatly play the advantage of floating bead, overcome its defect, the intensity and hardness of gained powder of lacquer putty for use on are high, water absorption rate
It is low, shrinkage cracking is not will produce, not only meets the dicoration of inner wall putty, more there is excellent water proofing property and thermal insulation separation thermal effect
Fruit, coating densification flexibility is good, and acid and alkali-resistance infiltration, heat insulation and preservation effect is good, durability strong with the cohesive force of base after coating
It is good, can brush temperature becomes frequently, coefficient of thermal expansion is big or the frequent body surface of vibrations on heat-insulation and heat-preservation, avoid object temperature
Insulating is cracked when variable expansion, contraction or vibrations for a long time falls off.
Claims (7)
1. a kind of heat insulating inner wall putty, which is characterized in that include each component of following mass percentage：Precipitated calcium carbonate powder
20-30%, floating bead 15-20%, titanium dioxide 10-15%, oyster shell whiting 25-30%, nano heat-insulating insulating powder 3-5%, wood fibre
Plain 0.2-0.3%, alum powder 0.3-0.5%, bentonite 1-2%, polyvinyl alcohol 2488 2-4%, N- methyl trimethoxy yl acetamide
1-2%, 4- methyl pyrocatechol 1-2%, carboxymethyl cellulose 0.2-0.3%, redispersable latex powder 3-5%, pre-gelatinized are formed sediment
Powder 0.2-0.3%, thixotropic agent aluminium-magnesium silicate 1-2%.
2. heat insulating inner wall putty as described in claim 1, which is characterized in that the heat insulating inner wall putty includes following quality hundred
Divide each component of content：Precipitated calcium carbonate powder 24%, floating bead 18%, titanium dioxide 15%, oyster shell whiting 25%, nano heat-insulating insulating powder
4%, lignocellulosic 0.2%, alum powder 0.3%, bentonite 1.5%, polyvinyl alcohol 2,488 4%, N- methyl trimethoxy base acetyl
Amine 1%, 4- methyl pyrocatechols 2%, carboxymethyl cellulose 0.3%, redispersable latex powder 3%, pre-gelatinized starch 0.2%,
Thixotropic agent aluminium-magnesium silicate 1.5%.
3. heat insulating inner wall putty as described in claim 1, which is characterized in that the grain size of the nano heat-insulating insulating powder is 8-
12nm。
4. heat insulating inner wall putty as described in claim 1, which is characterized in that the fineness of the alum powder is 100-300 mesh.
5. heat insulating inner wall putty as claimed in claim 1 or 2, which is characterized in that the bentonite is sodium bentonite.
6. heat insulating inner wall putty as claimed in claim 1 or 2, which is characterized in that the viscosity of the carboxymethyl cellulose is 5-
100000.
7. the preparation method of heat insulating inner wall putty as claimed in claim 1 or 2, which is characterized in that include the following steps：
Precipitated calcium carbonate powder 20-30%, oyster shell whiting 25-30%, N- methyl trimethoxy base acetyl are sequentially added under the stirring of 20-30r/min
Amine 1-2%, 4- methyl pyrocatechol 1-2%, floating bead 15-20%, nano heat-insulating insulating powder 3-5%, titanium dioxide 10-15% are touched
Become agent aluminium-magnesium silicate 1-2%, bentonite 1-2%, redispersable latex powder 3-5%, 2488 2-4% of polyvinyl alcohol, alum powder
0.3-0.5%, carboxymethyl cellulose 0.2-0.3%, lignocellulosic 0.2-0.3%, pre-gelatinized starch 0.2-0.3% are added
Afterwards, continue to stir 10-30min, heat insulating inner wall putty powder is obtained after mixing.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111826010A (en) * | 2020-05-18 | 2020-10-27 | 苏州国建慧投矿物新材料有限公司 | Water-based silicate inorganic coating and preparation method thereof |
| CN112940354A (en) * | 2021-04-28 | 2021-06-11 | 广东龙湖科技股份有限公司 | Pregelatinized starch with good thixotropic property and slip property and preparation method thereof |
| CN114806257A (en) * | 2022-05-31 | 2022-07-29 | 贵州翰匠装饰建材有限公司 | Environment-friendly putty powder and preparation method thereof |
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