CN107793088A - Lightweight anti-cracking heat insulation mortar - Google Patents

Lightweight anti-cracking heat insulation mortar Download PDF

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Publication number
CN107793088A
CN107793088A CN201711225978.8A CN201711225978A CN107793088A CN 107793088 A CN107793088 A CN 107793088A CN 201711225978 A CN201711225978 A CN 201711225978A CN 107793088 A CN107793088 A CN 107793088A
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CN
China
Prior art keywords
parts
lightweight
heat insulation
insulation mortar
air entraining
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Pending
Application number
CN201711225978.8A
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Chinese (zh)
Inventor
戴凤
Original Assignee
戴凤
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Priority to CN201711225978.8A priority Critical patent/CN107793088A/en
Publication of CN107793088A publication Critical patent/CN107793088A/en
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Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/20Resistance against chemical, physical or biological attack
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/20Resistance against chemical, physical or biological attack
    • C04B2111/27Water resistance, e.g. waterproof or water-repellant materials
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/34Non-shrinking or non-cracking materials
    • C04B2111/343Crack resistant materials
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/76Use at unusual temperatures, e.g. sub-zero
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/30Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
    • C04B2201/32Mortars, 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

Abstract

The invention discloses a kind of lightweight anti-cracking heat insulation mortar, it is prepared from the following raw materials in parts by weight:35~60 parts of cement, 15~37 parts of flyash, 20~35 parts of glass microballoon, 13~20 parts of aluminium making residue, 11~25 parts of polypropylene fibre, 5~15 parts of chabasie powder, 8~20 parts of rubber powder, 1~8 part of Lauxite, 20~35 parts of bentonite, 3~12 parts of borax, 1~8 part of polyvinyl alcohol, 1~5 part of water-loss reducer, 1~8 part of air entraining agent.Wherein described air entraining agent is one or more than one kinds of in lauryl sodium sulfate, sodium metasilicate, calcium carbonate, magnesium carbonate or sodium acid carbonate.The cost of material that the thermal insulation mortar uses is cheap, and simple production process, the concrete produced has the advantages of lightweight, insulation, energy-conserving and environment-protective.

Description

Lightweight anti-cracking heat insulation mortar
Technical field
The invention belongs to building material field, and in particular to a kind of lightweight anti-cracking heat insulation mortar.
Background technology
With modern people life idea and mode it is diversified detail, for the environmental requirement in building also day Benefit increase.HVAC is while the living environment of comfortable and high-quality is brought, also as big in building energy consumption Family.The heat insulation effect of construction wall is poor, can further increase the use of HVAC, can so cause the waste of energy consumption.Therefore, People are more using carrying when construction of buildings by the innovation of building technology and the research and development of energy new material The heat preservation and insulation of high building wall.
In construction of buildings, cement mortar is one of essential material, and the good and bad of cement mortar material also will The durability of fabric structure and the heat-insulating property of wall after building can be largely effected on.Therefore, the selection of this material of mortar It is particularly important.With the development of technology, occurs increasing thermal insulation mortar in the market.Thermal insulation mortar is usually Using various light materials as aggregate, using cement as gelating material, some property-modifying additives are admixed, is stirred and makes through manufacturing enterprise Into a kind of premixing dry powder and mortar.It is mainly used in constructing a kind of construction material of building insulating layer, there is energy-conserving profit waste, protect Heat-insulated, the ageing-resistant excellent properties of temperature and it is cheap, easy for construction the features such as, have the extensive market demand.With mesh The thermal insulation mortar species of preceding in the market is various, and spread in performance is uneven, and still there is quality weight, heat insulating ability for most of thermal insulation mortars The defects of energy effect difference one-level crack resistance deficiency, it is easy to wall crazing phenomenon occur especially for the mortar of crack resistance difference, Be not easy to construct in the winter time when in use, condense hardening compared with slow and limited with the cementitiousness of base material, in practical engineering application by To certain limitation.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of light weight, excellent thermal insulation performance and cracking resistance The good lightweight anti-cracking heat insulation mortar of effect.
To reach above-mentioned purpose, the present invention is implemented by the following technical programs:
A kind of lightweight anti-cracking heat insulation mortar, is prepared from the following raw materials in parts by weight:35~60 parts of cement, flyash 15~ 37 parts, 20~35 parts of glass microballoon, 13~20 parts of aluminium making residue, 11~25 parts of polypropylene fibre, 5~15 parts of chabasie powder, glue 8~20 parts of powder, 1~8 part of Lauxite, 20~35 parts of bentonite, 3~12 parts of borax, 1~8 part of polyvinyl alcohol, water-loss reducer 1~5 Part, 1~8 part of air entraining agent.
Further, above-mentioned lightweight anti-cracking heat insulation mortar, can be prepared from the following raw materials in parts by weight:
40~50 parts of cement, 20~30 parts of flyash, 25~30 parts of glass microballoon, 13~18 parts of aluminium making residue, polypropylene 15~20 parts of fiber, 8~12 parts of chabasie powder, 10~15 parts of rubber powder, 1~5 part of Lauxite, 25~30 parts of bentonite, borax 5 ~10 parts, 2~5 parts of polyvinyl alcohol, 1~3 part of water-loss reducer, 1~5 part of air entraining agent.
It is further preferred that above-mentioned lightweight anti-cracking heat insulation mortar, can specifically be prepared from the following raw materials in parts by weight:
43 parts of cement, 24 parts of flyash, 27 parts of glass microballoon, 15 parts of aluminium making residue, 17 parts of polypropylene fibre, chabasie powder 10 parts, 11 parts of rubber powder, 4 parts of Lauxite, 28 parts of bentonite, 6 parts of borax, 3 parts of polyvinyl alcohol, 3 parts of water-loss reducer, 4 parts of air entraining agent.
In such scheme, the air entraining agent is lauryl sodium sulfate, sodium metasilicate, calcium carbonate, magnesium carbonate or sodium acid carbonate In it is one or more than one kinds of.
In such scheme, the water-loss reducer can be in TYLOSE 30000, hydroxyethyl ether cellulose or starch ether Any one or two kinds.
The preparation method of this lightweight anti-cracking heat insulation mortar and the auxiliary materials of addition can be routinely concrete production technology Carry out.
Glass microballoon, polypropylene fibre, chabasie powder are added in material of the present invention, can reduce or prevent coagulation In soil premature cure stage after pouring, plastic shrinkage and micro-crack are caused because of bleeding and moisture loss, can also reduce, prevent The concrete hardening later stage produces micro-crack caused by desciccation crack and temperature change, so as to improve the antiseepage of mortar, freeze proof, anti-impact The performances such as mill;The cementability and cracking resistance of mortar can be improved by adding rubber powder, Lauxite, aluminium making residue, bentonite, borax simultaneously Property, promote mortar to incorporate concrete, so as to improve the deformability of concrete structure and toughness.
It is an advantage of the invention that:Raw materials for production are cheap, and component proportion is simple, and the mortar being prepared has not only light The advantages of matter, insulation, high intensity, and energy-conserving and environment-protective.
Embodiment
To further illustrate the present invention, the present invention is elaborated with reference to specific examples below.
Embodiment 1
Lightweight anti-cracking heat insulation mortar, is prepared from the following raw materials in parts by weight:
35 parts of cement, 20 parts of flyash, 35 parts of glass microballoon, 13 parts of aluminium making residue, 25 parts of polypropylene fibre, chabasie powder 10 parts, 12 parts of rubber powder, 7 parts of Lauxite, 25 parts of bentonite, 3 parts of borax, 1 part of polyvinyl alcohol, 3 parts of water-loss reducer, 7 parts of air entraining agent; Wherein
The air entraining agent be lauryl sodium sulfate, sodium metasilicate, calcium carbonate, magnesium carbonate or sodium acid carbonate in one kind, institute Water-loss reducer is stated as any one in TYLOSE 30000, hydroxyethyl ether cellulose or starch ether.
This lightweight anti-cracking heat insulation mortar can be prepared using following methods:
1) raw material as needed for the weight preparation;
2) cement, glass microballoon, flyash, aluminium making residue, chabasie powder, bentonite and chabasie powder are first delivered to sand Starch in mixer, the water for adding its gross weight 40-65% is stirred mixing, speed of agitator 80-90r/min, mixing time For 70-95min, stirring terminates to obtain slurry A;
3) polypropylene fibre, rubber powder, Lauxite, borax and step 1) are made in slurry A again, stirred in mortar 30-45min is stirred in machine, speed of agitator 80-100r/min, obtains slurry B;
4) finally polyvinyl alcohol, water-loss reducer and air entraining agent are added in slurry B made from step 2), in mortar mixer Middle stirring 2.5-4.0h, speed of agitator 75-90r/min, you can.
Embodiment 2
Lightweight anti-cracking heat insulation mortar, is prepared from the following raw materials in parts by weight:
50 parts of cement, 30 parts of flyash, 25 parts of glass microballoon, 18 parts of aluminium making residue, 15 parts of polypropylene fibre, chabasie powder 8 parts, 15 parts of rubber powder, 2 parts of Lauxite, 30 parts of bentonite, 10 parts of borax, 5 parts of polyvinyl alcohol, 1 part of water-loss reducer, 3 parts of air entraining agent; Wherein
The air entraining agent is any two in lauryl sodium sulfate, sodium metasilicate, calcium carbonate, magnesium carbonate or sodium acid carbonate Kind, and by 1:1 mass ratio is obtained by mixing;The water-loss reducer is TYLOSE 30000, hydroxyethyl ether cellulose or starch ether In any two kinds, and by 1:1 mass ratio is obtained by mixing.
The preparation method of the lightweight anti-cracking heat insulation mortar is identical with embodiment 1.
Embodiment 3
Lightweight anti-cracking heat insulation mortar, is prepared from the following raw materials in parts by weight:
43 parts of cement, 24 parts of flyash, 27 parts of glass microballoon, 15 parts of aluminium making residue, 17 parts of polypropylene fibre, chabasie powder 10 parts, 11 parts of rubber powder, 4 parts of Lauxite, 28 parts of bentonite, 6 parts of borax, 3 parts of polyvinyl alcohol, 3 parts of water-loss reducer, 4 parts of air entraining agent. Wherein
The air entraining agent be lauryl sodium sulfate, sodium metasilicate, calcium carbonate, magnesium carbonate or sodium acid carbonate in one kind, institute Water-loss reducer is stated as any one in TYLOSE 30000, hydroxyethyl ether cellulose or starch ether.
The preparation method of this lightweight anti-cracking heat insulation mortar is identical with embodiment 1.
Embodiment 4
Lightweight anti-cracking heat insulation mortar, is prepared from the following raw materials in parts by weight:
45 parts of cement, 26 parts of flyash, 26 parts of glass microballoon, 15 parts of aluminium making residue, 17 parts of polypropylene fibre, chabasie powder 11 parts, 13 parts of rubber powder, 4 parts of Lauxite, 28 parts of bentonite, 7 parts of borax, 3 parts of polyvinyl alcohol, 2 parts of water-loss reducer, 3 parts of air entraining agent; Wherein
The air entraining agent is any one in lauryl sodium sulfate, sodium metasilicate, calcium carbonate, magnesium carbonate or sodium acid carbonate Kind;The water-loss reducer is any two kinds in TYLOSE 30000, hydroxyethyl ether cellulose or starch ether, and by 1:1 matter Amount ratio mixes.
The preparation method of this lightweight anti-cracking heat insulation mortar is identical with embodiment 1.
Experimental example
Using lightweight anti-cracking heat insulation mortar of the present invention plaster 20~30mm thickness, test its thermal conductivity factor W/ (m.K), The index of the thermal conductivity factor of national energy-saving thermal insulation concrete is 7d≤0.070;28d≤0.085.
After tested, using the thermal conductivity factor W/ of the lightweight anti-cracking heat insulation mortar 7d obtained by the embodiment of the present invention 1~4 (m.K) the thermal conductivity factor W/ (m.K) for being 0.065,28d is 0.082, in the indication range of national heat preservation energy-saving, is had very Good heat-insulating property, it is adapted to the building heat preservation aspect of house wall surface.
The thickness that cold district plasters this lightweight anti-cracking heat insulation mortar in China correspondingly increases to >=50mm, you can reaches Energy-conservation 60% to national energy-saving JGJ134-2001, JGJ75-2003 prescribed by standard requires solve severe cold area winter long low temperature Building energy conservation requirement.

Claims (5)

1. lightweight anti-cracking heat insulation mortar, it is characterised in that be prepared from the following raw materials in parts by weight:35~60 parts of cement, fine coal 15~37 parts of ash, 20~35 parts of glass microballoon, 13~20 parts of aluminium making residue, 11~25 parts of polypropylene fibre, chabasie powder 5~15 Part, 8~20 parts of rubber powder, 1~8 part of Lauxite, 20~35 parts of bentonite, 3~12 parts of borax, 1~8 part of polyvinyl alcohol, water conservation 1~5 part of agent, 1~8 part of air entraining agent.
2. lightweight anti-cracking heat insulation mortar according to claim 1, it is characterised in that by the raw material system of following parts by weight Into:
40~50 parts of cement, 20~30 parts of flyash, 25~30 parts of glass microballoon, 13~18 parts of aluminium making residue, polypropylene fibre 15~20 parts, 8~12 parts of chabasie powder, 10~15 parts of rubber powder, 1~5 part of Lauxite, 25~30 parts of bentonite, borax 5~10 Part, 2~5 parts of polyvinyl alcohol, 1~3 part of water-loss reducer, 1~5 part of air entraining agent.
3. lightweight anti-cracking heat insulation mortar according to claim 2, it is characterised in that by the raw material system of following parts by weight Into:
43 parts of cement, 24 parts of flyash, 27 parts of glass microballoon, 15 parts of aluminium making residue, 17 parts of polypropylene fibre, chabasie powder 10 Part, 11 parts of rubber powder, 4 parts of Lauxite, 28 parts of bentonite, 6 parts of borax, 3 parts of polyvinyl alcohol, 3 parts of water-loss reducer, 4 parts of air entraining agent.
4. the lightweight anti-cracking heat insulation mortar according to claims 1 to 3 any one, it is characterised in that:The air entraining agent is It is one or more than one kinds of in lauryl sodium sulfate, sodium metasilicate, calcium carbonate, magnesium carbonate or sodium acid carbonate.
5. the lightweight anti-cracking heat insulation mortar according to claims 1 to 3 any one, it is characterised in that:The water-loss reducer is Any one in TYLOSE 30000, hydroxyethyl ether cellulose or starch ether or two kinds.
CN201711225978.8A 2017-11-29 2017-11-29 Lightweight anti-cracking heat insulation mortar Pending CN107793088A (en)

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108503319A (en) * 2018-05-24 2018-09-07 合肥聪亨新型建材科技有限公司 A kind of thermal insulation mortar and preparation method thereof of addition ATO slurries
CN110218045A (en) * 2019-06-06 2019-09-10 北京泽华路桥工程有限公司 A kind of crack resistance concrete and preparation method thereof
CN111848039A (en) * 2020-07-23 2020-10-30 华江泗阳现代建筑发展有限公司 Concrete mortar and preparation method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107162531A (en) * 2017-07-05 2017-09-15 肥西县碧涛建材有限公司 A kind of seepage control and crack resistance thermal insulation mortar and preparation method thereof
CN107352911A (en) * 2017-08-16 2017-11-17 柳州市天开企业管理有限公司 A kind of anti-cracking heat insulation mortar

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107162531A (en) * 2017-07-05 2017-09-15 肥西县碧涛建材有限公司 A kind of seepage control and crack resistance thermal insulation mortar and preparation method thereof
CN107352911A (en) * 2017-08-16 2017-11-17 柳州市天开企业管理有限公司 A kind of anti-cracking heat insulation mortar

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108503319A (en) * 2018-05-24 2018-09-07 合肥聪亨新型建材科技有限公司 A kind of thermal insulation mortar and preparation method thereof of addition ATO slurries
CN110218045A (en) * 2019-06-06 2019-09-10 北京泽华路桥工程有限公司 A kind of crack resistance concrete and preparation method thereof
CN111848039A (en) * 2020-07-23 2020-10-30 华江泗阳现代建筑发展有限公司 Concrete mortar and preparation method thereof

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