CN108911628A - A kind of thermal insulation mortar and preparation method thereof with compared with low thermal conductivity - Google Patents
A kind of thermal insulation mortar and preparation method thereof with compared with low thermal conductivity Download PDFInfo
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- CN108911628A CN108911628A CN201810846774.4A CN201810846774A CN108911628A CN 108911628 A CN108911628 A CN 108911628A CN 201810846774 A CN201810846774 A CN 201810846774A CN 108911628 A CN108911628 A CN 108911628A
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- thermal insulation
- insulation mortar
- compared
- thermal conductivity
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
- C04B2201/32—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
Abstract
The present invention discloses a kind of thermal insulation mortar with compared with low thermal conductivity and belongs to building material technical field, is made of following raw materials：250~350 parts of portland cement, 180~240 parts of river sand, 160~240 parts of building waste residue, 120~170 parts of talcum, 10~20 parts of pitch, 30~80 parts of heat-insulated aggregate, 6~9 parts of mineral wool, 8~12 parts of lignocellulosic, 3~8 parts of water-proofing agent, 3~5 parts of additive；The heat-insulated aggregate is 1 by weight ratio：0.1~0.3 expanded perlite and hollow glass micropearl is constituted.The present invention is carried out compound using hollow glass micropearl and expanded perlite and mineral wool, it is led coefficient and is significantly lower than expanded perlite and the compound thermal insulation mortar of mineral wool for the thermal insulation mortar of preparation, and has higher-strength and higher use value.
Description
Technical field
The present invention relates to building material technical field, in particular to a kind of thermal insulation mortar with compared with low thermal conductivity and its
Preparation method.
Background technique
In recent years, building energy conservation is surging forward, it has also become hot issue and international trend.In China, with economical fast
Fast development, building construction popularization, the level of urbanization constantly accelerate and the raising of living standards of the people, and building has become me
The energy consumption rich and influential family of state.Currently, only 3.6 hundred million squares of house is energy conservation in more than 400 hundred million squares of existing urban and rural buildings of China
Building, 99% builds for highly energy-consuming, and in newly constructed house building, 95% or more is still high energy consumption building.According to statistics, in building heat waste
Disalignment accounts for 30% or so of building Total heat loss by the heat loss of exterior wall.The main path of building energy conservation is using thermal insulation separation
Hot material, therefore, the research of thermal insulation mortar receive more and more attention.
Wherein, inorganic heat insulation mortar refers to the use being mixed with inorganic lightweight aggregate, cementitious material, additive, filler etc.
Water mixing is added to smear to be formed behind grass-roots work face, hardening at slurry and applying and protect when the heat-insulated dry mash of building heat preserving, use
Warm layer.Inorganic heat preservation lightweight aggregate is mostly porous structure, empty since Self-Closing or cementitious material wrap up it closing in mortar
Gas is difficult to generate convection current in gap.Expanded perlite and its product China be develop earliest there is larger application range
Thermal insulation material mainly uses various natural fibers or artificial fibre to solve the problems, such as the macrovoid between expanded perlite granule
Dimension reduces thermal coefficient with the compound of expanded perlite granule, but cannot further decrease the thermally conductive system of thermal insulation mortar
Number.
Summary of the invention
The present invention provides a kind of thermal insulation mortar and preparation method thereof with compared with low thermal conductivity, the thermal insulation mortar is thermally conductive
Coefficient is low, and mechanical strength is high, and raw material sources are extensive, low in cost, and production technology is easy.
The technical scheme is that：
A kind of thermal insulation mortar with compared with low thermal conductivity, is made of following raw materials：250~350 parts of portland cement,
180~240 parts of river sand, 160~240 parts of building waste residue, 120~170 parts of talcum, 10~20 parts of pitch, heat-insulated aggregate 30~80
Part, 6~9 parts of mineral wool, 8~12 parts of lignocellulosic, 3~8 parts of water-proofing agent, 3~5 parts of additive；The heat-insulated aggregate is by weight
Than being 1：0.1~0.3 expanded perlite and hollow glass micropearl is constituted.
Wherein it is preferred to which the bulk density of the expanded perlite is 60kg/m3, and it is thin less than 60 purposes to screen out granularity
Particle.
Wherein it is preferred to which the partial size of the hollow glass micropearl is not more than 5 μm.
Wherein it is preferred to which the water-proofing agent is poly- ethyl hydroxy silicone emulsion, any in aqueous silane, titanate esters
It is one or more of.
Wherein it is preferred to which the additive is sulfonated melamine, polyethylene glycol or triethanolamine.
A kind of preparation method with the thermal insulation mortar compared with low thermal conductivity, includes the following steps：
(1) pitch, talcum are put into the sodium chloride solution that mass ratio is 0.1% and are impregnated 6~8 hours, take out drying, powder
It is broken to 200 mesh；
(2) it takes out and crushes after calcining river sand, building waste residue 3-6 hours at 600-750 DEG C, mineral wool, wooden fibre is added
Dimension element, heat-insulated aggregate stir and evenly mix；
(3) step (1), (2) resulting material and portland cement, water-proofing agent, additive are added to stir in blender and are mixed
Close 20~30 minutes, packaging to get.
Beneficial effects of the present invention：
(1) present invention is compound using hollow glass micropearl and expanded perlite and mineral wool progress, the thermal insulation mortar of preparation its
The coefficient thermal insulation mortar compound significantly lower than expanded perlite and mineral wool is led, and has higher-strength and higher use value.
(2) novel energy saving thermal insulation mortar of the present invention, is made of the ratio of special formula and optimization, and reaches excellent
Integrated performance index, thermal coefficient 0.046/W/ (mK), compression strength 1.23MPa, flexural strength 0.48MPa, dry density
388kg/m3, linear shrinkage 1.70%；Thermal coefficient and linear shrinkage ratio outstanding ensure that novel energy saving thermal insulation mortar has
There are unexpected heat insulation effect and effect of prestressed, is very suitable for all kinds of high request building heat preservation engineerings and uses.
Specific embodiment
Below in conjunction with the specific embodiment of the invention, technical solution of the present invention is clearly and completely described, is shown
So, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the reality in the present invention
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the scope of protection of the invention.
The bulk density of following expanded perlites used in the examples is 60kg/m3, and granularity is screened out less than 60 purposes
Fine grained.The partial size of hollow glass micropearl is not more than 5 μm,
Embodiment 1
The present embodiment provides a kind of thermal insulation mortars with compared with low thermal conductivity, are made of following raw materials：Silicate cement
It is 300 parts of mud, 210 parts of river sand, 200 parts of building waste residue, 150 parts of talcum, 15 parts of pitch, 50 parts of heat-insulated aggregate, 7 parts of mineral wool, wooden
10 parts of cellulose, 5 parts of poly- ethyl hydroxy silicone emulsion, 4 parts of sulfonated melamine；The heat-insulated aggregate is 1 by weight ratio：
0.2 expanded perlite and hollow glass micropearl is constituted.
The present embodiment has the preparation method of the thermal insulation mortar compared with low thermal conductivity, includes the following steps：
(1) pitch, talcum are put into the sodium chloride solution that mass ratio is 0.1% and are impregnated 7 hours, take out drying, crushed
To 200 mesh；
(2) after river sand, building waste residue being calcined 4 hours at 700 DEG C take out crush, be added mineral wool, lignocellulosic, every
Hot aggregate stirs and evenly mixs；
(3) by step (1), (2) resulting material and portland cement, poly- ethyl hydroxy silicone emulsion, sulfonated trimerization
Cyanamide be added blender in be stirred 25 minutes, packaging to get.
Embodiment 2
The present embodiment provides a kind of thermal insulation mortars with compared with low thermal conductivity, are made of following raw materials：Silicate cement
It is 250 parts of mud, 240 parts of river sand, 160 parts of building waste residue, 170 parts of talcum, 10 parts of pitch, 80 parts of heat-insulated aggregate, 6 parts of mineral wool, wooden
12 parts of cellulose, 3 parts of aqueous silane, 5 parts of polyethylene glycol；The heat-insulated aggregate is 1 by weight ratio：0.1 expanded pearlite
Rock and hollow glass micropearl are constituted.
The present embodiment has the preparation method of the thermal insulation mortar compared with low thermal conductivity, includes the following steps：
(1) pitch, talcum are put into the sodium chloride solution that mass ratio is 0.1% and are impregnated 8 hours, take out drying, crushed
To 200 mesh；
(2) after river sand, building waste residue being calcined 6 hours at 600 DEG C take out crush, be added mineral wool, lignocellulosic, every
Hot aggregate stirs and evenly mixs；
(3) blender is added in step (1), (2) resulting material and portland cement, aqueous silane, polyethylene glycol
In be stirred 20 minutes, packaging to get.
Embodiment 3
The present embodiment provides a kind of thermal insulation mortars with compared with low thermal conductivity, are made of following raw materials：Silicate cement
It is 350 parts of mud, 180 parts of river sand, 240 parts of building waste residue, 120 parts of talcum, 20 parts of pitch, 30 parts of heat-insulated aggregate, 9 parts of mineral wool, wooden
8 parts of cellulose, 8 parts of titanate esters, 3 parts of polyethylene glycol；The heat-insulated aggregate is 1 by weight ratio：0.3 expanded perlite and
Hollow glass micropearl is constituted.
The present embodiment has the preparation method of the thermal insulation mortar compared with low thermal conductivity, includes the following steps：
(1) pitch, talcum are put into the sodium chloride solution that mass ratio is 0.1% and are impregnated 8 hours, take out drying, crushed
To 200 mesh；
(2) after river sand, building waste residue being calcined 6 hours at 600 DEG C take out crush, be added mineral wool, lignocellulosic, every
Hot aggregate stirs and evenly mixs；
(3) step (1), (2) resulting material and portland cement, titanate esters, polyethylene glycol are added in blender
Be stirred 20~30 minutes, packaging to get.
Embodiment 4
The present embodiment provides a kind of thermal insulation mortars with compared with low thermal conductivity, are made of following raw materials：Silicate cement
It is 280 parts of mud, 210 parts of river sand, 180 parts of building waste residue, 140 parts of talcum, 12 parts of pitch, 60 parts of heat-insulated aggregate, 8 parts of mineral wool, wooden
11 parts of cellulose, 5 parts of aqueous silane, 4 parts of polyethylene glycol；The heat-insulated aggregate is 1 by weight ratio：0.2 expanded pearlite
Rock and hollow glass micropearl are constituted.
The present embodiment has the preparation method of the thermal insulation mortar compared with low thermal conductivity, includes the following steps：
(1) pitch, talcum are put into the sodium chloride solution that mass ratio is 0.1% and are impregnated 6 hours, take out drying, crushed
To 200 mesh；
(2) after river sand, building waste residue being calcined 5 hours at 720 DEG C take out crush, be added mineral wool, lignocellulosic, every
Hot aggregate stirs and evenly mixs；
(3) blender is added in step (1), (2) resulting material and portland cement, aqueous silane, polyethylene glycol
In be stirred 28 minutes, packaging to get.
Embodiment 5
The present embodiment provides a kind of thermal insulation mortars with compared with low thermal conductivity, are made of following raw materials：Silicate cement
It is 320 parts of mud, 220 parts of river sand, 170 parts of building waste residue, 160 parts of talcum, 18 parts of pitch, 50 parts of heat-insulated aggregate, 7 parts of mineral wool, wooden
9 parts of cellulose, 5 parts of titanate esters, 4 parts of triethanolamine；The heat-insulated aggregate is 1 by weight ratio：0.1 expanded perlite and hollow
Glass microballoon is constituted.
The present embodiment has the preparation method of the thermal insulation mortar compared with low thermal conductivity, includes the following steps：
(1) pitch, talcum are put into the sodium chloride solution that mass ratio is 0.1% and are impregnated 7 hours, take out drying, crushed
To 200 mesh；
(2) after river sand, building waste residue being calcined 4 hours at 720 DEG C take out crush, be added mineral wool, lignocellulosic, every
Hot aggregate stirs and evenly mixs；
(3) step (1), (2) resulting material and portland cement, titanate esters, triethanolamine are added in blender and are stirred
Mixing 26 minutes, packaging to get.
Embodiment 6
For the present embodiment in addition to without hollow glass micropearl, component and preparation method are identical as implementing 1.
Performance test：Compressive strength test is referring to GB/T5486.2-2001《Inorganic hard insulating product experimental method mechanics
Performance》With GB/T20473-2006《Building heat-insulating mortar》It is tested.Flexural strength test is referring to GB/T5486.2-2001
《Inorganic hard insulating product experimental method mechanical property》It is tested.Linear shrinkage ratio is referring to JG/T283-2010《Expansion vitrification
Microballon light mortar》It is tested.Bulk density is tested referring to GB/T5486.3-2001.Thermal coefficient is referring to GB/T10294-
1988 tests.Difference group the performance test results are shown in Table 1.
1 different performance test result table of table
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of thermal insulation mortar with compared with low thermal conductivity, it is characterised in that be made of following raw materials：Portland cement 250
~350 parts, 180~240 parts of river sand, 160~240 parts of building waste residue, 120~170 parts of talcum, 10~20 parts of pitch, heat-insulated bone
Expect 30~80 parts, 6~9 parts of mineral wool, 8~12 parts of lignocellulosic, 3~8 parts of water-proofing agent, 3~5 parts of additive；The heat-insulated bone
Material is 1 by weight ratio：0.1~0.3 expanded perlite and hollow glass micropearl is constituted.
2. a kind of thermal insulation mortar with compared with low thermal conductivity according to claim 1, it is characterised in that：The expansion is precious
The bulk density of Zhu Yan is 60kg/m3, and screen out fine grained of the granularity less than 60 mesh.
3. a kind of thermal insulation mortar with compared with low thermal conductivity according to claim 1, it is characterised in that：The hollow glass
The partial size of glass microballon is not more than 5 μm.
4. a kind of thermal insulation mortar with compared with low thermal conductivity according to claim 1, it is characterised in that：The water-proofing agent
For any one or a few in poly- ethyl hydroxy silicone emulsion, aqueous silane, titanate esters.
5. a kind of thermal insulation mortar with compared with low thermal conductivity according to claim 1, it is characterised in that：The additive
For sulfonated melamine, polyethylene glycol or triethanolamine.
6. a kind of described in any item preparation methods with the thermal insulation mortar compared with low thermal conductivity of Claims 1 to 5, feature
It is to include the following steps：
(1) pitch, talcum are put into the sodium chloride solution that mass ratio is 0.1% and are impregnated 6~8 hours, taken out drying, be crushed to
200 mesh；
(2) after river sand, building waste residue being calcined 3-6 hours at 600-750 DEG C take out crush, be added mineral wool, lignocellulosic,
Heat-insulated aggregate stirs and evenly mixs；
(3) step (1), (2) resulting material and portland cement, water-proofing agent, additive are added in blender and are stirred 20
~30 minutes, packaging to get.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810846774.4A CN108911628A (en) | 2018-07-27 | 2018-07-27 | A kind of thermal insulation mortar and preparation method thereof with compared with low thermal conductivity |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810846774.4A CN108911628A (en) | 2018-07-27 | 2018-07-27 | A kind of thermal insulation mortar and preparation method thereof with compared with low thermal conductivity |
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| CN108911628A true CN108911628A (en) | 2018-11-30 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113480282A (en) * | 2021-08-18 | 2021-10-08 | 六安市得邦建材科技发展有限公司 | High-reflection heat-insulation mortar and manufacturing method thereof |
| CN115093166A (en) * | 2022-05-18 | 2022-09-23 | 龙南泰盛建材有限公司 | Recycled asphalt concrete |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101525226A (en) * | 2009-04-13 | 2009-09-09 | 吕运征 | Insulating dry powder mortar |
| CN102924009A (en) * | 2012-10-09 | 2013-02-13 | 天津哈澳德建筑材料研究院有限公司 | Inorganic composite thermal mortar |
| CN103864360A (en) * | 2014-02-10 | 2014-06-18 | 安徽众凯架业有限责任公司 | Heat insulation mortar with sound absorbing effect and manufacturing method thereof |
-
2018
- 2018-07-27 CN CN201810846774.4A patent/CN108911628A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101525226A (en) * | 2009-04-13 | 2009-09-09 | 吕运征 | Insulating dry powder mortar |
| CN102924009A (en) * | 2012-10-09 | 2013-02-13 | 天津哈澳德建筑材料研究院有限公司 | Inorganic composite thermal mortar |
| CN103864360A (en) * | 2014-02-10 | 2014-06-18 | 安徽众凯架业有限责任公司 | Heat insulation mortar with sound absorbing effect and manufacturing method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113480282A (en) * | 2021-08-18 | 2021-10-08 | 六安市得邦建材科技发展有限公司 | High-reflection heat-insulation mortar and manufacturing method thereof |
| CN115093166A (en) * | 2022-05-18 | 2022-09-23 | 龙南泰盛建材有限公司 | Recycled asphalt concrete |
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Application publication date: 20181130 |