CN113185239A - Caulking agent special for ALC installation - Google Patents

Caulking agent special for ALC installation Download PDF

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Publication number
CN113185239A
CN113185239A CN202110678951.4A CN202110678951A CN113185239A CN 113185239 A CN113185239 A CN 113185239A CN 202110678951 A CN202110678951 A CN 202110678951A CN 113185239 A CN113185239 A CN 113185239A
Authority
CN
China
Prior art keywords
alc
caulking agent
agent special
quartz sand
portland cement
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110678951.4A
Other languages
Chinese (zh)
Inventor
周意晗
黄诗容
黄伟豪
黄丽媛
冯玉龙
冯玉婷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Xingyaofu Industrial Co ltd
Original Assignee
Shenzhen Xingyaofu Industrial Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Xingyaofu Industrial Co ltd filed Critical Shenzhen Xingyaofu Industrial Co ltd
Priority to CN202110678951.4A priority Critical patent/CN113185239A/en
Publication of CN113185239A publication Critical patent/CN113185239A/en
Pending legal-status Critical Current

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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
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00663—Uses not provided for elsewhere in C04B2111/00 as filling material for cavities or the like
    • C04B2111/00672—Pointing or jointing materials
    • 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
    • C04B2111/20—Resistance against chemical, physical or biological attack
    • 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
    • C04B2111/20—Resistance against chemical, physical or biological attack
    • C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
    • 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

Landscapes

  • 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)

Abstract

The invention provides a caulking agent special for ALC installation, and relates to the technical field of building materials. The caulking agent special for ALC installation comprises portland cement, quartz sand, redispersible latex powder, hydroxypropyl methyl cellulose ether, calcium formate, starch ether, polypropylene fiber and limestone powder, and comprises the following components in percentage by weight: 25-35% of Portland cement, 55-65% of quartz sand, 2-4% of redispersible latex powder, 0.1-0.5% of hydroxypropyl methyl cellulose ether, 0.05-0.2% of calcium formate, 0.05-0.2% of starch ether, 0.1-0.5% of polypropylene fiber and 5-10% of limestone powder. The caulking agent special for ALC installation provided by the invention has the advantages of small shrinkage deformation, good crack resistance, workability and water retention, higher bonding force with wall materials or other matrix materials after hardening, difficult crack generation on a connection interface, better connection stability, capability of completely preventing the cracking of an inner wall and an outer wall, higher bonding speed, simple, convenient and quick preparation process and capability of greatly accelerating the construction efficiency.

Description

Caulking agent special for ALC installation
Technical Field
The invention relates to the technical field of building materials, in particular to a caulking agent special for ALC installation.
Background
ALC is the short for steaming and pressing light concrete, it is a kind of high performance to steam and press the aerated concrete, ALC board regards cement, quartz sand (or fly ash), lime, etc. as the main material, the porous concrete formed board (including reinforcing bar reinforcement processed) that is formed through the high-pressure steam curing, ALC board can be made into wall material, can be made into roof boarding, it is a new building materials with superior performance, this building materials not merely have good thermal insulation performance, have better heat-insulating properties too, when adopting the rational thickness, not only can be used in the cold area that the heat-insulating requirement is high, can also be used in the summer heat winter cold area or summer heat winter warm area that the heat-insulating requirement is high, meet the requirement of the energy-conserving standard.
When the ALC board is used, in order to ensure the connection stability, a caulking agent is required to be used for construction, so that dust and micro holes on the surface of the ALC board body are effectively sealed, and a better adhesive force and compatibility effect are achieved on building materials attached to the board surface.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the caulking agent special for ALC installation, and solves the problems that the existing caulking agent is poor in cohesiveness, waterproofness and wear resistance when in use, and phenomena of cracking and falling off easily occur, the caulking agent is easy to deform after being dried and condensed, the situations of serious wear, water seepage and the like occur, and the stability of ALC connection cannot be ensured.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the caulking agent special for ALC installation comprises portland cement, quartz sand, redispersible latex powder, hydroxypropyl methyl cellulose ether, calcium formate, starch ether, polypropylene fiber and limestone powder, and comprises the following components in percentage by weight: 25-35% of Portland cement, 55-65% of quartz sand, 2-4% of redispersible latex powder, 0.1-0.5% of hydroxypropyl methyl cellulose ether, 0.05-0.2% of calcium formate, 0.05-0.2% of starch ether, 0.1-0.5% of polypropylene fiber and 5-10% of limestone powder.
Preferably, the portland cement uses white portland cement with a strength grade of 32.5R.
Preferably, the quartz sand is selected from quartz sand with the particle size of 0.25-1.00 mm.
Preferably, the polypropylene fibers have a length of 1 to 5 mm.
Preferably, the particle size range of the limestone powder is 50-80 μm.
The preparation method of the caulking agent special for ALC installation comprises the following steps:
s1, preparing the components according to 25-35% of portland cement, 55-65% of quartz sand, 2-4% of redispersible latex powder, 0.1-0.5% of hydroxypropyl methyl cellulose ether, 0.05-0.2% of calcium formate, 0.05-0.2% of starch ether, 0.1-0.5% of polypropylene fiber and 5-10% of limestone powder;
s2, firstly adding the Portland cement, the quartz sand and the limestone powder into a reaction kettle, and then stirring for 10-15 min;
s3, adding the redispersible latex powder and the hydroxypropyl methyl cellulose ether into the reaction kettle, and stirring for 5-10min to uniformly mix;
and S4, finally adding the calcium formate, the starch ether and the polypropylene fiber into the reaction kettle, uniformly stirring and mixing again for 15-20min, and then preparing a dry powder of the caulking agent.
Preferably, the stirring rate in the step S2 is controlled to be 40-50 r/min.
Preferably, the stirring rate in the step S3 is controlled to be 50-60 r/min.
Preferably, the stirring rate in the step S4 is controlled to be 60-80 r/min.
(III) advantageous effects
The invention provides a caulking agent special for ALC installation. The method has the following beneficial effects:
1. according to the caulking agent special for ALC installation, the redispersible latex powder is added to serve as the binder, and the calcium formate and the starch ether are added, so that the early strength of the caulking agent can be improved, the workability of the caulking agent is improved, the produced caulking agent has good cohesiveness and stability, is not easy to fall off in use, and has good waterproofness.
2. According to the caulking agent special for ALC installation, quartz sand is added, so that the wear resistance of the caulking agent is improved, the service life of the caulking agent is effectively prolonged, portland cement can perform sufficient hydration reaction, the bonding strength and the compressive strength are good, a connecting interface is not prone to cracking, and the connecting stability is good.
3. The caulking agent special for ALC installation provided by the invention has the advantages of small shrinkage deformation, good crack resistance, workability and water retention, higher bonding force with wall materials or other matrix materials after hardening, capability of completely preventing cracking of inner and outer walls, higher bonding speed, simple, convenient and quick preparation process and capability of greatly accelerating the construction efficiency.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
the embodiment of the invention provides a caulking agent special for ALC installation, which comprises the following components in percentage by weight: 30% of Portland cement, 60% of quartz sand, 2.6% of redispersible latex powder, 0.1% of hydroxypropyl methyl cellulose ether, 0.05% of calcium formate, 0.05% of starch ether, 0.2% of polypropylene fiber and 7% of limestone powder.
The preparation method of the caulking agent special for ALC installation comprises the following steps:
s1, preparing the components according to 30% of portland cement, 60% of quartz sand, 2.6% of redispersible latex powder, 0.1% of hydroxypropyl methyl cellulose ether, 0.05% of calcium formate, 0.05% of starch ether, 0.2% of polypropylene fiber and 7% of limestone powder;
s2, firstly adding the portland cement, the quartz sand and the limestone powder into a reaction kettle, and then stirring for 10-15 min;
s3, adding the redispersible latex powder and the hydroxypropyl methyl cellulose ether into the reaction kettle, and stirring for 5-10min to uniformly mix;
and S4, finally adding the calcium formate, the starch ether and the polypropylene fiber into the reaction kettle, uniformly stirring and mixing again for 15-20min, and then preparing a dry powder of the caulking agent.
The use method of the caulking agent special for ALC installation comprises the following steps:
the method comprises the following steps:
cleaning floating slurry residues on the surface of the ALC board base layer and snapping lines;
step two:
according to the water cement ratio of 1:4, the mixture is put into a special charging basket, stirred by a hand-held motor, and stirred into paste by the caulking agent;
step three:
the vertical seam of the lateral surface of the ALC plate is supplemented with caulking agents, and the horizontal and the verticality of the plate are corrected by a horizontal ruler and a rubber hammer;
step four:
the second batch of building blocks are all built by caulking agents, the building process is carried out after the building mortar of the horizontal mortar joints of the first batch of building blocks is solidified, and corners and T-shaped joints of the building wall are built in a longitudinal and transverse mode;
step five:
the vertical mortar joints can be paved and adhered on the end faces of the masonry firstly, the masonry is tapped by a rubber hammer after being put on a wall, the tap is required to be tapped inwards from the top of the masonry firstly, and then the mortar joints are compacted horizontally, so that caulking agents can overflow from the mortar joints, gaps cannot exist in the mortar joints, the fullness cannot be lower than 80%, the thickness of the mortar joints is controlled to be 3mm, the overflowing caulking agents are cleaned in time, and the effect of using the caulking agents at any time is achieved.
Example two:
the embodiment of the invention provides a caulking agent special for ALC installation, which comprises the following components in percentage by weight: 35% of portland cement, 55% of quartz sand, 3.3% of redispersible latex powder, 0.2% of hydroxypropyl methyl cellulose ether, 0.1% of calcium formate, 0.1% of starch ether, 0.3% of polypropylene fiber and 6% of limestone powder.
The preparation method of the caulking agent special for ALC installation comprises the following steps:
s1, preparing the components according to 35% of portland cement, 55% of quartz sand, 3.3% of redispersible latex powder, 0.2% of hydroxypropyl methyl cellulose ether, 0.1% of calcium formate, 0.1% of starch ether, 0.3% of polypropylene fiber and 6% of limestone powder;
s2, firstly adding the portland cement, the quartz sand and the limestone powder into a reaction kettle, and then stirring for 10-15 min;
s3, adding the redispersible latex powder and the hydroxypropyl methyl cellulose ether into the reaction kettle, and stirring for 5-10min to uniformly mix;
and S4, finally adding the calcium formate, the starch ether and the polypropylene fiber into the reaction kettle, uniformly stirring and mixing again for 15-20min, and then preparing a dry powder of the caulking agent.
Example three:
the embodiment of the invention provides a caulking agent special for ALC installation, which comprises the following components in percentage by weight: 32% of Portland cement, 56% of quartz sand, 2.9% of redispersible latex powder, 0.4% of hydroxypropyl methyl cellulose ether, 0.15% of calcium formate, 0.15% of starch ether, 0.4% of polypropylene fiber and 8% of limestone powder.
The preparation method of the caulking agent special for ALC installation comprises the following steps:
s1, preparing the components according to 32% of portland cement, 56% of quartz sand, 2.9% of redispersible latex powder, 0.4% of hydroxypropyl methyl cellulose ether, 0.15% of calcium formate, 0.15% of starch ether, 0.4% of polypropylene fiber and 8% of limestone powder;
s2, firstly adding the portland cement, the quartz sand and the limestone powder into a reaction kettle, and then stirring for 10-15 min;
s3, adding the redispersible latex powder and the hydroxypropyl methyl cellulose ether into the reaction kettle, and stirring for 5-10min to uniformly mix;
and S4, finally adding the calcium formate, the starch ether and the polypropylene fiber into the reaction kettle, uniformly stirring and mixing again for 15-20min, and then preparing a dry powder of the caulking agent.
Example four:
the embodiment of the invention provides a caulking agent special for ALC installation, which comprises the following components in percentage by weight: 28% of Portland cement, 58% of quartz sand, 4% of redispersible latex powder, 0.3% of hydroxypropyl methyl cellulose ether, 0.2% of calcium formate, 0.2% of starch ether, 0.3% of polypropylene fiber and 9% of limestone powder.
The preparation method of the caulking agent special for ALC installation comprises the following steps:
s1, preparing the components according to 28% of portland cement, 58% of quartz sand, 4% of redispersible latex powder, 0.3% of hydroxypropyl methyl cellulose ether, 0.2% of calcium formate, 0.2% of starch ether, 0.3% of polypropylene fiber and 9% of limestone powder;
s2, firstly adding the Portland cement, the quartz sand and the limestone powder into a reaction kettle, and then stirring for 10-15 min;
s3, adding the redispersible latex powder and the hydroxypropyl methyl cellulose ether into the reaction kettle, and stirring for 5-10min to uniformly mix;
and S4, finally adding the calcium formate, the starch ether and the polypropylene fiber into the reaction kettle, uniformly stirring and mixing again for 15-20min, and then preparing a dry powder of the caulking agent.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

  1. The caulking agent special for ALC installation comprises portland cement, quartz sand, redispersible latex powder, hydroxypropyl methyl cellulose ether, calcium formate, starch ether, polypropylene fiber and limestone powder, and is characterized in that: the caulking agent comprises the following components in percentage by weight: 25-35% of Portland cement, 55-65% of quartz sand, 2-4% of redispersible latex powder, 0.1-0.5% of hydroxypropyl methyl cellulose ether, 0.05-0.2% of calcium formate, 0.05-0.2% of starch ether, 0.1-0.5% of polypropylene fiber and 5-10% of limestone powder.
  2. 2. The caulking agent special for ALC installation according to claim 1, wherein: the portland cement uses white portland cement with a strength grade of 32.5R.
  3. 3. The caulking agent special for ALC installation according to claim 1, wherein: the quartz sand is selected from quartz sand with the grain size of 0.25-1.00 mm.
  4. 4. The caulking agent special for ALC installation according to claim 1, wherein: the length of the polypropylene fiber is 1-5 mm.
  5. 5. The caulking agent special for ALC installation according to claim 1, wherein: the particle size range of the limestone powder is 50-80 μm.
  6. The preparation method of the caulking agent special for ALC installation is characterized by comprising the following steps: the method comprises the following steps:
    s1, preparing the components according to 25-35% of portland cement, 55-65% of quartz sand, 2-4% of redispersible latex powder, 0.1-0.5% of hydroxypropyl methyl cellulose ether, 0.05-0.2% of calcium formate, 0.05-0.2% of starch ether, 0.1-0.5% of polypropylene fiber and 5-10% of limestone powder;
    s2, firstly adding the portland cement, the quartz sand and the limestone powder into a reaction kettle, and then stirring for 10-15 min;
    s3, adding the redispersible latex powder and the hydroxypropyl methyl cellulose ether into the reaction kettle, and stirring for 5-10min to uniformly mix;
    and S4, finally adding the calcium formate, the starch ether and the polypropylene fiber into the reaction kettle, uniformly stirring and mixing again for 15-20min, and then preparing a dry powder of the caulking agent.
  7. 7. The method for preparing the caulking agent special for ALC installation according to claim 6, characterized in that: the stirring speed in the step S2 is controlled to be 40-50 r/min.
  8. 8. The method for preparing the caulking agent special for ALC installation according to claim 6, characterized in that: the stirring speed in the step S3 is controlled to be 50-60 r/min.
  9. 9. The method for preparing the caulking agent special for ALC installation according to claim 6, characterized in that: the stirring speed in the step S4 is controlled to be 60-80 r/min.
CN202110678951.4A 2021-06-18 2021-06-18 Caulking agent special for ALC installation Pending CN113185239A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110678951.4A CN113185239A (en) 2021-06-18 2021-06-18 Caulking agent special for ALC installation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110678951.4A CN113185239A (en) 2021-06-18 2021-06-18 Caulking agent special for ALC installation

Publications (1)

Publication Number Publication Date
CN113185239A true CN113185239A (en) 2021-07-30

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Country Status (1)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020195025A1 (en) * 2001-05-10 2002-12-26 Andreas Bacher Building materials employing powder compositions as rheological additives
CN105645863A (en) * 2015-12-31 2016-06-08 贵州中建建筑科研设计院有限公司 Ultrafine powdery crack-resistant connection paste for connection of lightweight partition wall panel
CN107540311A (en) * 2017-09-26 2018-01-05 杭州泽通建筑节能新材料有限公司 A kind of autoclaved aerated concrete slab splices binding agent
CN112777985A (en) * 2021-01-11 2021-05-11 深圳市星耀福实业有限公司 Special bonding mortar for ALC (autoclaved lightweight concrete) board and preparation method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020195025A1 (en) * 2001-05-10 2002-12-26 Andreas Bacher Building materials employing powder compositions as rheological additives
CN105645863A (en) * 2015-12-31 2016-06-08 贵州中建建筑科研设计院有限公司 Ultrafine powdery crack-resistant connection paste for connection of lightweight partition wall panel
CN107540311A (en) * 2017-09-26 2018-01-05 杭州泽通建筑节能新材料有限公司 A kind of autoclaved aerated concrete slab splices binding agent
CN112777985A (en) * 2021-01-11 2021-05-11 深圳市星耀福实业有限公司 Special bonding mortar for ALC (autoclaved lightweight concrete) board and preparation method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
徐志芳等: "用于干粉砂浆中的添加剂", 《广东建材》 *

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Application publication date: 20210730