CN104557121A - Foam cement heat preservation plate and preparation method thereof - Google Patents

Foam cement heat preservation plate and preparation method thereof Download PDF

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Publication number
CN104557121A
CN104557121A CN201510015433.9A CN201510015433A CN104557121A CN 104557121 A CN104557121 A CN 104557121A CN 201510015433 A CN201510015433 A CN 201510015433A CN 104557121 A CN104557121 A CN 104557121A
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cement
insulation board
parts
adopts
water
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谢永超
刘东华
刘淑静
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First New Material Science & Technology Development Co Ltd
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First New Material Science & Technology Development Co Ltd
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Abstract

The invention discloses a foam cement heat preservation plate and a preparation method thereof and belongs to the technical field of heat preservation materials for external walls of buildings. The foam cement heat preservation plate is prepared from the following raw materials in parts by weight: 800-1000 parts of cement, 10-40 parts of a foam stabilizing agent, 5-10 parts of a coagulating enhancer, 1-3 parts of a cell regulator, 3-8 parts of a water reducing agent, 4-8 parts of graphite powder, 1-3 parts of a hydrophobic agent, 5-10 parts of a foaming accelerator, 2-5 parts of fiber, 400-900 parts of mixing water and 40-80 parts of a chemical foaming agent. The invention also discloses a preparation method of the foam cement based heat preservation plate. The foam cement based heat preservation plate has low heat conducting property, low density, high hydrophobility, high strength and A-class noninflammability, long service life and good overall performance and is heat-retaining, thermal-insulating and sound-proofing, so that the foam cement based heat preservation plate is applicable to popularization and application.

Description

Cement insulation board material and preparation method thereof
Technical field
The present invention relates to building thermal insulation material, be specifically related to a kind of cement insulation board material and preparation method thereof.
Background technology
In the lagging material that the external wall heat insulation system that China is traditional adopts, mainly some organic materialss such as styrofoam, extruded sheet, they generally have light weight, advantage that thermal conductivity is little.But these materials expose increasing quality problems also in long-term use procedure, as complicated in easy aging, maintain and replace etc., in recent years by the great fire failure of several of initiation, cause a large amount of loss of life and personal injury and property damage more to country and society, make it apply and suffer extensive query, therefore, develop the most attention that durable, fire-retardant inorganic heat insulation material then receives people, Foam cement insulation material wherein obtains the favor of outer expert in the industry, obtains and develops fast.
The existing cement foaming insulation board in market, because state of the art is uneven, bad during quality meeting fashion, easily collapse when mainly producing mould, Air Bubble Size inequality, maldistribution, cause fraction defective high, and it is high to there is thermal conductivity, intensity difference, the problems such as sound-proofing properties is poor, and rapid wear is frangible.These directly have influence on promotes the use of and production cost.
Summary of the invention
Based on the problem existing for above-mentioned prior art, the invention provides a kind of cement insulation board material and preparation method thereof, its low heat conductivity heat-insulating is good, intensity and fire-retardant height and sound insulation and noise reduction is good.
For solving the problems of the technologies described above, the invention provides a kind of cement insulation board material, the raw material comprising following weight part is made:
The embodiment of the present invention also provides a kind of preparation method preparing cement insulation board material of the present invention, comprising:
Each raw material is got by constituent of the present invention
Step 1, suds-stabilizing agent, short solidifying toughener, cell modifiers, water reducer, Graphite Powder 99, hydrophober add in premixing machine by example, and uniform stirring becomes Preblend;
Step 2, adds in stirrer by cement, fiber, Preblend, mixing water, and uniform stirring becomes clean slurry;
Step 3, adds foamed promoter, chemical foaming agent stirring, is poured in mould, after having built, described mould was put into curing room maintenance after 24 hours, the demoulding, obtain cement insulation board material in described clean slurry obtained in step 2.
Beneficial effect of the present invention is: by adding graphite, and by foamed promoter and chemical foaming agent synergy, and utilize the control of other raw material such as suds-stabilizing agent and short solidifying toughener to strengthen, make this heat preservation plate material, containing a large amount of independence, the abscess closed, and have the graphite content of reflective insulation, for a kind of graphite cement heat preserving sheet material, therefore better heat preservation, thermal conductivity is lower, generally at 0.045-0.052W/ (mK) below, heat insulation effect exceedes other cement base class lagging material, and adding and independence due to graphite content, the abscess cooperation closed has good flame retardant resistance, in addition because a large amount of existence that is independent, closed-cell makes density of material low, usually at 120-180kg/m 3belong to Ultralight cement-based material, and intensity can reach 200-500kPa, than high by more than 30% with isopycnic regular foam concrete, realize under the prerequisite of light thermal-insulation, intensity improves more than 30%, and over-all properties is better than existing lagging material greatly, and this sheet material does not fire, durable, building energy saving rate can reach more than 75%.
Embodiment
Be clearly and completely described the technical scheme in the embodiment of the present invention below, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on embodiments of the invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to protection scope of the present invention.
The embodiment of the present invention provides a kind of cement insulation board material, is a kind of lightweight, high insulation, high strength, sound insulation and fire-retardant graphite cement heat preserving sheet material, makes, comprising with the raw material of following weight part:
Cement 800-1000 part, suds-stabilizing agent 10-40 part, short solidifying toughener 5-10 part, cell modifiers 1-3 part, water reducer 3-8 part, Graphite Powder 99 4-8 part, hydrophober 1-3 part, foamed promoter 5-10 part, fiber 2-5 part, mixing water 400-900 part, chemical foaming agent 40-80 part.
In above-mentioned heat preservation plate material, cement adopts ordinary Portland cement or aluminosulfate cement; Suds-stabilizing agent adopts calcium stearate, preferably can adopt acceptable end product calcium stearate; Short solidifying toughener adopts weight ratio to be the lithium chloride of 1:1 and the mixture of sodium carbonate; Cell modifiers adopts Vltra tears; Water reducer adopts poly carboxylic acid or naphthalene water reducer; Graphite Powder 99 adopts the graphite product with reflective insulation of special processing; Hydrophober adopts silicone based water-resisting agent; Foamed promoter adopts iron(ic) chloride; Fiber adopts the polypropene staple of 6mm; The water temperature of mixing water is not less than 20 DEG C; Chemical foaming agent adopts mass concentration to be the hydrogen peroxide of 27.5%.
Above-mentioned heat preservation plate material also comprises: 1 ~ 200 part, flyash by weight.Flyash can adopt first level flour coal ash.
The preparation method of above-mentioned cement insulation board material is get each raw material by above-mentioned constituent, comprise the following steps:
Step 1, suds-stabilizing agent, short solidifying toughener, cell modifiers, water reducer, Graphite Powder 99, hydrophober add in premixing machine by example, and uniform stirring becomes Preblend;
Step 2, adds in stirrer by cement, fiber, Preblend, mixing water, and uniform stirring becomes clean slurry;
Step 3, adds foamed promoter, chemical foaming agent stirring, is poured in mould, after having built, described mould was put into curing room maintenance after 24 hours, the demoulding, obtain cement insulation board material in described clean slurry obtained in step 2.
Above-mentioned steps 2 also comprises: the flyash added together with cement, fiber, Preblend, mixing water.
In above-mentioned steps 1, Preblend churning time is 15-25 minute; In step 2, the clean slurry mix and blend time is 2-5 minute, and in described step 2, mixing water water temperature is not less than 20 DEG C; The mix and blend time in step 3 is 10-30 second, and in step 3, curing room temperature is not less than 20 DEG C;
Step 3 also comprises, the cement insulation board material water seasoning 7-28 days will obtained again after the demoulding.
The dry apparent density of above-mentioned cement insulation board material is 120-200kg/m 3, ultimate compression strength is 150-500KPa, and thermal conductivity is 0.045-0.055W/ (mK), and volume water absorption rate is that 6-10%, A level is not fired.
Below in conjunction with specific embodiment, heat preservation plate material of the present invention and preparation are described further.
In heat preservation plate material of the present invention, cement used is ordinary Portland cement or aluminosulfate cement, as Tangshan Ji Dong cement produces 42.5 ordinary Portland cements, aluminosulfate cement or any one commercially available silicate cement or aluminosulfate cement;
Water reducer used adopts polycarboxylate dehydragent, naphthalene water reducer, polycarboxylate dehydragent, naphthalene water reducer that the polycarboxylate dehydragent of safe Chemicals company limited as happy together in Tianjin, Beijing, naphthalene water reducer or any one commercially available water-reducing rate are greater than 20%;
Fiber used adopts polypropene staple, selects 6mm polypropene staple, as the polypropene staple that Henan Tian Sheng chemical industry company limited produces; This fiber can play the effect preventing material contracts from ftractureing.
Suds-stabilizing agent used adopts acceptable end product calcium stearate, the product that calcium stearate can adopt Shijiazhuang Feng Lian Fine Chemical Co., Ltd to produce; In chemical foaming process, the slip power expanded of getting angry is internal pressure in bubble, its resistance is then the gravity of upper strata slip and the shearing stress of slip, if in the process that bubble formation also expands, string bubble will be there is not in the plasticity of slurry or liquid film, even to collapse the phenomenons such as mould, by adding suds-stabilizing agent of the present invention, liquid-vapo(u)r interface can be adsorbed in, define adsorption film, reduce the surface energy of system, enhance the mechanical elasticity of walls simultaneously, bubble is not easily broken, the stability of foaming process slip can be ensured.
Short solidifying toughener used adopts lithium chloride, sodium carbonate is prepared from according to the weight ratio Homogeneous phase mixing of each component 1:1, the lithium chloride produced as adopted Henan Hua Yu industrial chemicals company limited and sodium carbonate; Short solidifying toughener can adjust the condensation cure time of cement, carrys out the foaming of compounding ingredient.As too fast in multiviscosisty sclerosis, then bubble can not expand, contrary sclerosis is excessively slow, gelling material slurry then can not will generate and the bubble consolidation constantly expanded is lived, there is string bubble in tend, bubble effusion is even collapsed mould phenomenon, short solidifying toughener of the present invention can ensure the timely consolidation of foam, the solid bubble time is regulated according to slurry foaming and intumescing situation, enable the bubble sent uniformly among gelling material, and sclerosis consolidation produces intensity in time, therefore slip foaming can effectively be solved, the Harmony problem of multiviscosisty and hardening phase, meet operable time required in Material Manufacturing Process.
Cell modifiers used adopts Vltra tears, and Vltra tears can adopt commercially available arbitrary product, preferably adopts powdery product, as the Vltra tears that Beijing Wei Keduo epoch trade Co., Ltd can be adopted to produce; This cell modifiers can adjust the viscoelastic degree of gelling material, by the difference of gelling material viscous force, it produces different restraint forces to bubble, and what therefore just can affect bubble is subject to force intensity, the processes such as generation, the change of change bubble are large, expansion, thus reach the effect controlling bubble aperture.
Graphite Powder 99 used adopts the graphite product of energy reflective insulation, as adopted the graphite product of Basf China Co., Ltd, is a kind of graphite product after treatment with reflective insulation; This graphite content, can as mirror reflective thermal radiation, significantly can promote the infrared ray absorption thing of thermal and insulating performance, thermal conductivity is reduced further.
Hydrophober used adopts organosilicon moisture repellent, as the hydrophober goods that Akzo Nobel Yi Laitai company can be adopted to produce; This type of water-resisting agent can be evenly distributed on inside bubble wall, has excellent waterproof effect, makes graphite cement heat preserving sheet material have the effect of dripping into lotus leaf drink pearl and abscess light.
Foamed promoter used adopts iron(ic) chloride.As the iron(ic) chloride of the happy together safe Chemicals company limited in Tianjin, Beijing can be adopted; Foamed promoter play promote hydrogen peroxide and hydroxide ion chemical reaction, making it react can carry out completely, generates gas, and completing smoothly of guarantee chemical foaming, reaches preferably dry apparent density.
Chemical foaming agent used adopts mass concentration to be the hydrogen peroxide of 27.5%, as the product that the north, The Big Red Gate, Beijing Chemical Co., Ltd. can be adopted to produce; This chemical foaming agent can generate the condition of the alkaline environments such as calcium hydroxide at hydrated cementitious under, produce chemical reaction, and generate gas, make the foaming of cement slurry inside; Namely, under the alkaline environment of hydrated cementitious generation, produce chemical reaction and produce oxygen, cement slurry foams by the bulging force by these gases.
Embodiment 1:
By weight, add in premixing machine by suds-stabilizing agent 30 parts, short solidifying toughener 8 parts, cell modifiers 2 parts, water reducer 7 parts, Graphite Powder 99 6 parts, hydrophober 2 parts, uniform stirring becomes Preblend in 20 minutes to each raw material;
Cement 900 parts, 100 parts, flyash, fiber 3 parts, Preblend 55 parts, mixing water 550 parts are added in stirrer, within 4 minutes, obtains compound through blade mixer at the lower uniform stirring of rotating speed 1000 revs/min and only starch;
After foamed promoter 7 parts, chemical foaming agent 70 parts being joined and stir 15 seconds in above-mentioned clean slurry, be poured in mould, building is highly 1/5th of mold height; Before building, mould first should complete brush releasing agent operation, guarantees that limit, angle, stupefied, partition etc. all will brush, and is also noted that releasing agent is wanted evenly, the sign of a large amount of releasing agent that bottom surface does not have flowing.Then by die assembling, mould after assembling will guarantee that its geometrical dimension and planeness reach requirement, mould bottom surface, side seal will be got well, or in the mould assembled, carry out the process of cover bag film, the size of bag film is consistent with die size, bag film is fixed on mould upper limb with adhesive tape or clip etc., builds when ensureing that slurry does not expose again.Put into curing room after having built immediately and carry out chemical foaming, along with the carrying out of hydrated cementitious, continuous generation hydrated product calcium hydroxide, the alkaline environment of slip is more and more stronger, chemical foaming agent, under the effect of alkaline environment and foamed promoter, produces oxygen, and slurry constantly expands under the effect of the gas volume constantly produced and gaseous tension, finally be full of whole mould, graphite cement heat preserving sheet material can be obtained.
The demoulding after 24 hours, should notice during the demoulding that artificial damage can not be caused in the Leng Deng position, corner of finished product, avoid colliding with in handling process, ensures finished product integrity.
Can maintenance 7-28 days further after the demoulding, obtain graphite cement heat preserving sheet material through cutting.Must guarantee between preserving period that product surface is moist, make product reach final strength.
The dry apparent density of graphite cement heat preserving sheet material obtained after the demoulding is 118kg/m 3, ultimate compression strength is 153KPa, and thermal conductivity is 0.0452W/ (mK), and volume water absorption rate 9.6%, A level is not fired.
Embodiment 2:
In the present embodiment, preparation method and step identical with embodiment 1, the amount that wherein different each components adds is respectively aluminosulfate cement 800 parts, 200 parts, flyash, suds-stabilizing agent 15 parts, short solidifying toughener 4 parts, cell modifiers 1 part, water reducer 4 parts, Graphite Powder 99 5 parts, hydrophober 1 part, foamed promoter 4 parts, fiber 3 parts, mixing water 450 parts, chemical foaming agent 50 parts.
The dry apparent density of graphite cement heat preserving sheet material obtained after the demoulding is 198kg/m 3, ultimate compression strength is 511KPa, and thermal conductivity is 0.0548W/ (mK), and volume water absorption rate 6.2%, A level is not fired.
Graphite cement heat preserving sheet material of the present invention is a kind of high strength, high flame retardant, low heat conduction, and insulation, the stay-in-grade heat preservation plate material that heat insulation, noise reduction soundproof effect is good, have the following advantages compared with existing Portland cement heat preservation plate material:
(1) utilize foamed promoter and chemical foaming agent to prepare graphite cement heat preserving sheet material, bubble wall is more closely knit, bubble diameter grating is optimized more, reduces in foam slurry the surfactant content affecting hydrated cementitious simultaneously, and then facilitates the raising greatly of foam materials over-all properties.
(2) suds-stabilizing agent adopted and short solidifying toughener effectively can solve the slip volume stability problem of foaming process, can solve the mould that collapses, string bubble and slip in foaming process to a susceptibility difficult problem for environment, medium, technique etc.
(3) comprehensive foamed promoter and chemical foaming technology advantage, graphite cement heat preserving sheet material inside is containing a large amount of abscess, and therefore density of material is low, usually at 120-180kg/m 3, belong to Ultralight cement-based material; Intensity can reach 200-500kPa, than high by more than 30% with isopycnic regular foam concrete.Under the prerequisite of light thermal-insulation, intensity improves more than 30%, and over-all properties is better than Conventional insulation greatly, does not fire, durable, building energy saving rate can reach more than 75%.
(4) graphite cement heat preserving sheet material contains a large amount of independent, closed abscesses, and have the graphite content of reflective insulation, therefore material better heat preservation, thermal conductivity is lower, generally at 0.045-0.052W/ (mK) below, heat insulation effect exceedes other cement base class lagging materials.
(5) there is higher abscess closure, it also has stronger hydrophobicity performance, this is mainly because the Vltra tears in cell modifiers is macromolecular material, the snappiness of cement slurry can be improved, in foaming and intumescing process, cement slurry has certain ductility, and bubble wall there will not be the aperture of gas leakage, and therefore abscess has good closure; Add the organosilicone film that hydrophober and cement matrix are formed, also ensure that the hydrophobicity performance of material.Extraneous moisture content is more difficult penetrates into material internal, and water-intake rate is significantly less than regular foam concrete, can slow down and reduce heat insulation effect because of lagging material water suction, thus make graphite cement heat preserving sheet material have the effect of dripping into lotus leaf drink pearl and abscess light.
(6) performance such as dry density of graphite cement heat preserving sheet material can be adjusted by the number adding chemical foaming agent quantity, and the amount that chemical foaming agent adds is many, and the abscess of generation is more, and dry density is less, otherwise dry density is larger.Therefore can require to cut the garment according to the figure according to concrete engineering, and material also possesses machining properties such as can boring, can saw, Practical Project suitability is very strong.
(7) due to bubble wall that graphite cement heat preserving plate surface is concave surface, there is higher interfacial area, therefore when sheet material and boundary mortar bond, there is larger bond area, with body of wall, there is very high cohesive force, the drawback such as can reduce hollowing, come off, enhances the integrated of this type of material and body of wall greatly.
(8) graphite cement heat preserving sheet material of the present invention is the same with main building thing belongs to cement-based material, therefore there is good weather resistance, in the life-span same with buildings, avoid organic insulation material because of problem of aging, need repeatedly to change the wasting of resources and replacement charge that cause.While realizing building energy saving rate 75%, ensure fire safety and work-ing life.
(9) the graphite cement heat preserving sheet material developed meets fire protection requirement completely, is applicable to external wall Surgery therapy and fire-blocking belt, meets the need of market.
(10) graphite cement heat preserving sheet material, belongs to A level non-fire material, effectively can stop the generation of fire from source, play fireproof heat insulating effect, and protect the personal property of resident from fire threat.
The above; be only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.

Claims (10)

1. a cement insulation board material, is characterized in that, the raw material comprising following weight part is made:
2. cement insulation board material according to claim 1, is characterized in that,
Described cement adopts ordinary Portland cement or aluminosulfate cement;
Described suds-stabilizing agent adopts calcium stearate;
Described short solidifying toughener adopts weight ratio to be the lithium chloride of 1:1 and the mixture of sodium carbonate;
Described cell modifiers adopts Vltra tears;
Described water reducer adopts poly carboxylic acid or naphthalene water reducer;
Described Graphite Powder 99 adopts the graphite product of energy reflective insulation;
Described hydrophober adopts silicone based water-resisting agent;
Described foamed promoter adopts iron(ic) chloride;
Described fiber adopts the polypropene staple of 6mm;
The water temperature of described mixing water is not less than 20 DEG C;
Described chemical foaming agent adopts mass concentration to be the hydrogen peroxide of 27.5%.
3. the preparation method of cement insulation board material according to claim 1, is characterized in that, also comprise: 1 ~ 200 part, flyash by weight.
4. the preparation method of cement insulation board material according to claim 3, is characterized in that, described flyash adopts first level flour coal ash.
5. the cement insulation board material according to any one of Claims 1-4, is characterized in that, described each raw material adopts following steps to make this cement insulation board material, comprising:
Step 1, add in premixing machine by suds-stabilizing agent, short solidifying toughener, cell modifiers, water reducer, Graphite Powder 99, hydrophober, uniform stirring becomes Preblend;
Step 2, adds in stirrer by cement, fiber, Preblend, mixing water, and uniform stirring becomes clean slurry;
Step 3, adds foamed promoter, chemical foaming agent stirring, is poured in mould, after having built, described mould was put into curing room maintenance after 24 hours, the demoulding, obtain cement insulation board material in described clean slurry obtained in step 2 in proportion.
6. cement insulation board material according to claim 5, is characterized in that,
Described step 2 also comprises: the flyash added together with cement, fiber, Preblend, mixing water;
In described step 1, Preblend churning time is 15-25 minute; In step 2, the clean slurry mix and blend time is 2-5 minute, and in step 2, mixing water water temperature is not less than 20 DEG C; The mix and blend time in step 3 is 10-30 second, and in step 3, curing room temperature is not less than 20 DEG C.
7., according to the arbitrary described cement insulation board material of Claims 1-4, it is characterized in that, the dry apparent density of described cement insulation board material is 120-200kg/m 3, ultimate compression strength is 150-500KPa, and thermal conductivity is 0.045-0.055W/ (mK), and volume water absorption rate is that 6-10%, A level is not fired.
8. a preparation method for cement insulation board material, is characterized in that, for the preparation of the cement insulation board material described in any one of Claims 1-4, gets each raw material, comprise the following steps by the constituent of any one of Claims 1-4:
Step 1, suds-stabilizing agent, short solidifying toughener, cell modifiers, water reducer, Graphite Powder 99, hydrophober add in premixing machine by example, and uniform stirring becomes Preblend;
Step 2, adds in stirrer by cement, fiber, Preblend, mixing water, and uniform stirring becomes clean slurry;
Step 3, adds foamed promoter, chemical foaming agent stirring, is poured in mould, after having built, described mould was put into curing room maintenance after 24 hours, the demoulding, obtain cement insulation board material in described clean slurry obtained in step 2.
9. the preparation method of cement insulation board material according to claim 8, is characterized in that, described step 2 also comprises: the flyash added together with cement, fiber, Preblend, mixing water.
10. graphite cement heat preserving preparation of plates method according to claim 8, it is characterized in that, in described step 1, Preblend churning time is 15-25 minute; In described step 2, the clean slurry mix and blend time is 2-5 minute, and in described step 2, mixing water water temperature is not less than 20 DEG C; The mix and blend time in described step 3 is 10-30 second, and in step 3, curing room temperature is not less than 20 DEG C;
Described step 3 also comprises, again by the cement insulation board material water seasoning that obtains 7 ~ 28 days after the demoulding.
CN201510015433.9A 2015-01-12 2015-01-12 Foam cement heat preservation plate and preparation method thereof Pending CN104557121A (en)

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CN105298011A (en) * 2015-09-28 2016-02-03 成都理工大学 Composite sandwich light partition wall made of mineral fiber reinforced magnesium cement and method for manufacturing composite sandwich light partition wall
CN105621932A (en) * 2015-12-29 2016-06-01 福建建工建材科技开发有限公司 Foam-stabilizing reinforcing agent for chemical-foamed foam concrete
CN106747115A (en) * 2017-01-18 2017-05-31 霍尔果斯市鑫超金洋建材有限公司 A kind of preparation method of low-temp foaming insulating brick
CN107056323A (en) * 2017-04-28 2017-08-18 四川翊森热能科技有限责任公司 Improve the preparation method of ground heating floor performance of heat protective material
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CN109293297A (en) * 2018-09-13 2019-02-01 怀宁建国混凝土制品有限责任公司 A kind of low-density foamed cement and preparation method thereof
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CN105298011A (en) * 2015-09-28 2016-02-03 成都理工大学 Composite sandwich light partition wall made of mineral fiber reinforced magnesium cement and method for manufacturing composite sandwich light partition wall
CN105621932A (en) * 2015-12-29 2016-06-01 福建建工建材科技开发有限公司 Foam-stabilizing reinforcing agent for chemical-foamed foam concrete
CN105621932B (en) * 2015-12-29 2018-06-08 福建建工建材科技开发有限公司 Chemical blowing foam concrete foam stabilizing reinforcing agent
CN106747115A (en) * 2017-01-18 2017-05-31 霍尔果斯市鑫超金洋建材有限公司 A kind of preparation method of low-temp foaming insulating brick
CN107056125A (en) * 2017-04-13 2017-08-18 越艳 Cement blowing agent made using hydrogen peroxide and preparation method thereof
CN107056323A (en) * 2017-04-28 2017-08-18 四川翊森热能科技有限责任公司 Improve the preparation method of ground heating floor performance of heat protective material
CN107805079A (en) * 2017-10-31 2018-03-16 常州菲胜图自动化仪器有限公司 A kind of cement fly ash foaming insulation material
CN109053077A (en) * 2018-09-07 2018-12-21 怀宁建国混凝土制品有限责任公司 A kind of thermal-insulating and anti-cracking foamed cement
CN109293297A (en) * 2018-09-13 2019-02-01 怀宁建国混凝土制品有限责任公司 A kind of low-density foamed cement and preparation method thereof
CN109437778A (en) * 2018-11-09 2019-03-08 高正春 A kind of foamed cement and preparation method thereof
CN109437802A (en) * 2018-12-14 2019-03-08 中北大学 A kind of sulphate aluminium cement assembled integrated interior wall and preparation method thereof
CN109467372A (en) * 2018-12-14 2019-03-15 中北大学 A kind of sulphate aluminium cement foaming insulation board and preparation method thereof and a kind of assembled integrated insulated wall and preparation method thereof
CN109467372B (en) * 2018-12-14 2021-04-06 中北大学 Sulphoaluminate cement foaming insulation board and preparation method thereof, and assembled integrated insulation wall and preparation method thereof
CN109437802B (en) * 2018-12-14 2021-04-27 中北大学 Sulphoaluminate cement assembled integrated inner wall and preparation method thereof
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