CN107129220A - A kind of heat-insulating masonry mortar and its compound method - Google Patents
A kind of heat-insulating masonry mortar and its compound method Download PDFInfo
- Publication number
- CN107129220A CN107129220A CN201710459627.7A CN201710459627A CN107129220A CN 107129220 A CN107129220 A CN 107129220A CN 201710459627 A CN201710459627 A CN 201710459627A CN 107129220 A CN107129220 A CN 107129220A
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- CN
- China
- Prior art keywords
- heat
- mortar
- cement
- masonry mortar
- expanded perlite
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Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/40—Porous or lightweight materials
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Porous Artificial Stone Or Porous Ceramic Products (AREA)
Abstract
The weight ratio of a kind of heat-insulating masonry mortar, including cement, flyash, blast furnace slag, expanded perlite, hard shell granular polystyrene, compound additive, blast furnace slag and expanded perlite is 1:2~30:1, the weight of cement is 0.6 1.2 times of blast furnace slag and expanded perlite gross weight, and the weight ratio of flyash and cement is 1:8‑1:2；The weight ratio of hard shell granular polystyrene and cement is 1:10.The heat-insulating masonry mortar light weight of the present invention, high insulating effect, and intensity is equally matched with the intensity of traditional mortar.
Description
Technical field
The present invention relates to a kind of masonry mortar, more particularly to a kind of heat-insulating masonry mortar and its compound method.
Background technology
The problem of present energy-conserving and environment-protective have been the whole society, needs substantial amounts of to apply to mortar, tradition in building trade
Mortar be difficult to meet civilized construction and environmental requirement while being also difficult to ensure that construction quality because raw material heap rally pair
Surrounding environment is impacted, while being very easy to produce airborne dust；Measure and often manually estimate when being configured, together
When mixing evenness be difficult to control to, the unusual fluctuations of material quality are also difficult to avoid that, therefore commodity mortar will replace traditional mortar
Main flow as building trade.
Present the commercial house is both needed to reach the requirement that energy consumption is low, and developer can increase heat-insulation layer to reach that house is protected on wall
The effect of temperature drop low energy consumption, domestic at present directly replace the technology of heat-insulation layer also immature with screed, mainly mortar is led
Hot coefficient causes greatly the heat-insulating property of mortar low.
The content of the invention
The technical problem to be solved in the present invention is to overcome the deficiencies in the prior art there is provided a kind of heat-insulating masonry mortar.
In order to solve the above technical problems, technical scheme proposed by the present invention is：A kind of heat-insulating masonry mortar, including cement,
Flyash, blast furnace slag, expanded perlite, hard shell granular polystyrene and compound additive, the blast furnace slag and swollen
The weight ratio of swollen perlite is 1:2~30:1, the weight of the cement is blast furnace slag and expanded perlite gross weight
0.6-1.2 times, the weight ratio of the flyash and cement is 1:8-1:2；The weight ratio of the hard shell granular polystyrene and cement is
1:10；The amount of compound additive is 26-40。
In the present invention, contained by flyashWithIt can be produced with hydrated cementitiousReaction, it is raw
Into the hydrated calcium silicate or drated calcium aluminate in similar cement-hydrate, gelatification can be played.Coal dust is in high-temp combustion mistake
The fly ash grain formed in journey, the overwhelming majority is glass microballoon, and internal friction can be reduced by being incorporated into concrete, so as to reduce
The water consumption of concrete.The addition of flyash can improve the fine structure of bonding interface, improve mortar bonding strength；But mix
Enter amount it is excessive when can reduce mortar early strength, increase slurry density and thermal conductivity, and the space in mortar can be caused excessive,
The amount that cement slurry is not enough to fill most preferably flyash in the space in mortar, the present invention is the 40% of cement weight.
In the present invention, the thermal conductivity factor of mortar can be reduced by adding hard shell granular polystyrene, while the intensity of reinforced mortar.It is hard
Shell granular polystyrene 0.1 ~ 4mm of granularity, the thermal conductivity factor of itself is small, and intensity is high, but comparatively its particle, which compares conference, exists
Mortar is internally formed substantial amounts of cavity, and the subparticle being accomplished by this when in the subparticle in flyash, flyash is equal
Even to be distributed in cement mortar, filling space and pore improve the pore structure of mortar, the cementability of reinforced mortar.
The weight of the aggregate of high-performance heat-insulating masonry mortar than 40%-60% compared with traditional mortar it is low by nearly 20%,
Therefore the lightweight of aggregate is extremely important for the heat-insulating masonry mortar of the present invention, and blast furnace slag light weight just meets this
The requirement of invention, and mineral matter inside blast furnace slag can react with the hyrate of cement, strengthen mortar of the present invention
Adhesion strength.
In the present invention, the thermal conductivity factor of expanded perlite is low, and its thermal conductivity factor is 0.046 ~ 0.048W/ (m*k), therefore is added
The thermal conductivity factor of mortar of the present invention can be reduced into the mortar of the present invention.
In the present invention, blast furnace slag and expanded perlite, the relative usage of hard shell granular polystyrene determine insulation
The bulk density of masonry mortar, so as to influence mortar final performance.Blast furnace slag and expanded perlite volume ratio are preferably 1:2
~30:Between 1, cement consumption is preferably in 300-400.Blast furnace slag plays skeleton in mortar.
In the present invention, compound additive include hydroxypropyl methyl cellulose, melamine formaldehyde resin, fine-celled foam and
Bleed reinforcing agent.Hydroxypropyl methyl cellulose can significantly improve the water-retaining property of mortar, and reduction is mortar laminated, make mortar in hardening
During slow dehydration, drying shrinkage speed is reduced, so as to improve the adhesion strength of mortar.Melamine formaldehyde resin can be carried significantly
High Mortar'S Flowability, can reduce the water consumption of mortar, later stage drying shrinkage value be reduced, so as to improve the final pressure resistance of mortar
Degree.Fine-celled foam can substantially reduce slurry density, mortar heat-insulating property be improved, while fine-celled foam can be tamped in mortar
Pore and space.In the present invention, the content of bleed reinforcing agent is, under this content, the intensity of mortar
It can be maintained, and the mobility of mortar is improved；The bubble being closed can above all be stablized, and it is a large amount of micro-
Small is closed and equally distributed bubble, can make the density of mortar and reduce, heat-insulating property enhancing.Simultaneously because bubble is deposited
, the bulbs of pressure for being converted into ice by water when can be endured cold to mortar play good cushioning effect, and are difficult to suck moisture, with
The space connected greatly present in ordinary mortar is compared, and is greatly lowered the Cheng Bingliang in winter, swelling internal stress is obviously reduced.
In the present invention, bleed reinforcing agent includes the decrement composition such as polyol compound, hydrophobic micro mist and the chopped fibre of polypropylene
The anticracking materials such as dimension, wood-fibred, can effectively reduce early-age plastic shrinkage and the later stage is dried and shunk.Polypropylene is participated in mortar short
After cutting fiber and stirring, being gathered materials due to polypropylene chopped strand and cement base has extremely strong adhesion, can rapidly and easily
Mix, be evenly distributed with concrete material；Simultaneously because trickle, surface area is big, and a kind of uniform unrest can be internally formed in mortar
To support system.During mortar condenses, when cement matrix shrinks, disappear due to the effect of these spacing fine arrangements of reinforcement
Energy has been consumed, the process of mortar cracking can be suppressed, the drying shrinkage of mortar is effectively reduced so that mortar cracking resistance of the invention
It is good.
In the present invention, bleed reinforcing agent can introduce a large amount of 0.1 ~ 0.5mm of diameter in mortar, be evenly distributed and mutually only
The micropore of vertical closing, can increase 10%-20% microporosities, reduce the quantity of harmful macropore, make the various functions of heat-insulating masonry mortar
Be improved significantly.Experiment shows, 25 ~ 30 are added in this mortar, mortar mobility can be significantly improved, bleeding is eliminated
Segregation phenomenon, improves adhesion strength and freeze thawing resistance and impermeability.
In the present invention, because slag surface is rough, cement product is closely wrapped in around slag.The present invention's
Mortar is difficult to find perlite particle.Hydrated product is filled in the hole or depression part on light-weight aggregate surface, can reduce light collection
Expect the stress concentration phenomenon in loading process, be effectively improved the force way of light-weight aggregate.
The preparation method of the heat-insulating masonry mortar of the present invention, comprises the following steps 1）By flyash, expanded perlite and heavily fortified point
Shell granular polystyrene is uniformly mixed；2）In step 1）Cement is added when stirring, and is stirred；3）In step 2）Stirring
Compound additive is added after uniform and is stirred；4）Water is added, prepares and completes heat-insulating masonry mortar.
Compared with prior art, the advantage of the invention is that：The heat-insulating masonry mortar light weight of the present invention, high insulating effect,
And intensity is equally matched with the intensity of traditional mortar.
Embodiment
For the ease of understanding the present invention, present invention work more comprehensively, is meticulously described below in conjunction with preferred embodiment,
But protection scope of the present invention is not limited to embodiment in detail below.
It should be strongly noted that when a certain element, to be described as " be fixed on, be fixed in, be connected to or be communicated in " another
When on element, it can be directly fixed, affixed, connection or connect on another element or by connecting in the middle of other
Fitting is indirectly fixed, affixed, connection or connection are on another element.
Unless otherwise defined, the implication that all technical terms used hereinafter are generally understood that with those skilled in the art
It is identical.Technical term used herein is intended merely to describe the purpose of specific embodiment, is not intended to the limitation present invention
Protection domain.
Embodiment
A kind of heat-insulating masonry mortar, including cement, flyash, blast furnace slag, expanded perlite, hard shell polyphenyl
The weight ratio of grain, compound additive, blast furnace slag and expanded perlite is 1:1, the weight of cement is blast furnace slag
With the 80% of expanded perlite gross weight, the amount of cement is the 40% of flyash weight；The weight ratio of hard shell granular polystyrene and cement
For 1:10.
In the present embodiment, compound additive includes hydroxypropyl methyl cellulose, melamine formaldehyde resin, micropore bubble
Foam, polyol compound, hydrophobic micro mist polypropylene chopped strand and wood-fibred.
The preparation method of the heat-insulating masonry mortar of the present embodiment, comprises the following steps 1）By flyash, expanded perlite and
Hard shell granular polystyrene is uniformly mixed；2）In step 1）Cement is added when stirring, and is stirred；3）In step 2）Stir
Mix uniform rear addition compound additive and stir；4）Water is added, prepares and completes heat-insulating masonry mortar.
Embodiment 2
In the present embodiment, the kg of cement 400, the kg of flyash 50, the kg of blast furnace slag 630, the kg of expanded perlite 30, hard shell
The kg of granular polystyrene 40, the kg of compound additive 30, wherein causes reinforcing agent to have 25kg in compound additive.The present embodiment other
Part is same as Example 1.
Claims (4)
1. a kind of heat-insulating masonry mortar, it is characterised in that：Including cement, flyash, blast furnace slag, expanded perlite, heavily fortified point
Shell granular polystyrene, compound additive, the weight ratio of the blast furnace slag and expanded perlite is 1:2~30:1, the cement
Weight be 0.6-1.2 times of blast furnace slag and expanded perlite gross weight, the weight ratio of the flyash and cement is
1:8-1:2；The weight ratio of the hard shell granular polystyrene and cement is 1:10.
2. heat-insulating masonry mortar according to claim 1, it is characterised in that：The compound additive includes hydroxypropyl methyl
Cellulose, melamine formaldehyde resin, fine-celled foam and bleed reinforcing agent.
3. heat-insulating masonry mortar according to claim 2, it is characterised in that：The bleed reinforcing agent includes polyol
Thing, hydrophobic micro mist polypropylene chopped strand and wood-fibred.
4. the preparation method of the heat-insulating masonry mortar according to claim any one of 1-3, it is characterised in that：Including following step
Rapid 1）Flyash, expanded perlite and hard shell granular polystyrene are uniformly mixed；2）In step 1）Water is added when stirring
Mud, and stir；3）In step 2）It is stirring evenly and then adding into compound additive and stirs；4）Water is added, prepares and completes
Heat-insulating masonry mortar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710459627.7A CN107129220A (en) | 2017-06-16 | 2017-06-16 | A kind of heat-insulating masonry mortar and its compound method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710459627.7A CN107129220A (en) | 2017-06-16 | 2017-06-16 | A kind of heat-insulating masonry mortar and its compound method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107129220A true CN107129220A (en) | 2017-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710459627.7A Pending CN107129220A (en) | 2017-06-16 | 2017-06-16 | A kind of heat-insulating masonry mortar and its compound method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115403351A (en) * | 2022-09-09 | 2022-11-29 | 宋柏成 | High-strength composite thermal-insulation masonry mortar |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1236699A1 (en) * | 2001-03-01 | 2002-09-04 | Sika AG, vorm. Kaspar Winkler & Co. | Composite material and shaped article with thermal conductivity and specific gravity on demand |
| CN101570419A (en) * | 2009-06-04 | 2009-11-04 | 安徽程氏建材有限公司 | Heat retaining masonry mortar and preparation method thereof |
| CN101781918A (en) * | 2009-01-16 | 2010-07-21 | 同济大学 | Insulation block and method of using thermal insulation mortar to prepare insulation block |
| CN105330215A (en) * | 2015-10-23 | 2016-02-17 | 潍坊德霖建材科技有限公司 | Preparation method for warm-keeping mortar |
| CN105347766A (en) * | 2015-10-23 | 2016-02-24 | 潍坊德霖建材科技有限公司 | Gypsum-based thermal insulation mortar used for pouring |
-
2017
- 2017-06-16 CN CN201710459627.7A patent/CN107129220A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1236699A1 (en) * | 2001-03-01 | 2002-09-04 | Sika AG, vorm. Kaspar Winkler & Co. | Composite material and shaped article with thermal conductivity and specific gravity on demand |
| CN101781918A (en) * | 2009-01-16 | 2010-07-21 | 同济大学 | Insulation block and method of using thermal insulation mortar to prepare insulation block |
| CN101570419A (en) * | 2009-06-04 | 2009-11-04 | 安徽程氏建材有限公司 | Heat retaining masonry mortar and preparation method thereof |
| CN105330215A (en) * | 2015-10-23 | 2016-02-17 | 潍坊德霖建材科技有限公司 | Preparation method for warm-keeping mortar |
| CN105347766A (en) * | 2015-10-23 | 2016-02-24 | 潍坊德霖建材科技有限公司 | Gypsum-based thermal insulation mortar used for pouring |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115403351A (en) * | 2022-09-09 | 2022-11-29 | 宋柏成 | High-strength composite thermal-insulation masonry mortar |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170905 |
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| RJ01 | Rejection of invention patent application after publication |