CN115216167A - Aluminum mould concrete interface agent and preparation method thereof - Google Patents

Aluminum mould concrete interface agent and preparation method thereof Download PDF

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Publication number
CN115216167A
CN115216167A CN202110487422.6A CN202110487422A CN115216167A CN 115216167 A CN115216167 A CN 115216167A CN 202110487422 A CN202110487422 A CN 202110487422A CN 115216167 A CN115216167 A CN 115216167A
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China
Prior art keywords
component
parts
agent
preparation
emulsion
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Pending
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CN202110487422.6A
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Chinese (zh)
Inventor
何林道
陈为
刘恒
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Hunan Guocai New Material Co ltd
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Hunan Guocai New Material Co ltd
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Priority to CN202110487422.6A priority Critical patent/CN115216167A/en
Publication of CN115216167A publication Critical patent/CN115216167A/en
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D1/00Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
    • C09D1/06Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances cement
    • C09D1/08Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances cement with organic additives
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/60Additives non-macromolecular
    • C09D7/61Additives non-macromolecular inorganic
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/60Additives non-macromolecular
    • C09D7/63Additives non-macromolecular organic
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/65Additives macromolecular
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/70Additives characterised by shape, e.g. fibres, flakes or microspheres
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/91Use of waste materials as fillers for mortars or concrete

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

The invention provides an aluminum mould concrete interface agent and a preparation method thereof, wherein the interface agent consists of a component A (liquid material) and a component B (powder material) in parts by weight. The component A (liquid material) is prepared from the following components in percentage by weight: water, hydroxypropyl methyl cellulose, triethanolamine, an organic silicon waterproof agent, an organic silicon modified emulsion, a silane coupling agent, a VAE emulsion, a lime emulsion and a defoaming agent according to the weight ratio. The component B (powder) is prepared from the following components: sulphoaluminate cement, micro silica fume, fluorite powder, high-calcium fly ash, polypropylene short fiber and dry quartz sand according to weight ratio. The mixing weight ratio of the component A to the component B is as follows: 30-40: 60-70. The interface agent has the advantages of strong cohesive force, good adhesive force, aging resistance, freeze thawing resistance, cracking and hollowing prevention, good affinity with a cement base layer, waterproof, seepage-proofing and quick-drying effects, simple and convenient production, quick construction, economy and practicability.

Description

Aluminum mold concrete interface agent and preparation method thereof
Technical Field
The invention belongs to the technical field of building materials, and particularly relates to an aluminum mould concrete interface agent and a preparation method thereof.
Background
The building interface agent is mainly used for carrying out interface treatment on the surfaces of concrete, aerated concrete and coatings of old buildings, solves the problems of poor bonding, easy hollowing, cracking, even peeling and the like caused by large water absorption, poor strength, smooth and loose surface and the like of the surface layers, and particularly adopts an aluminum alloy template to replace the traditional wood template for pouring concrete in most of the existing buildings. The aluminum die process has the advantages of convenient assembly and disassembly, recycling, labor and time saving and the like, and is widely applied. However, the base surface of the concrete poured by the aluminum mould is very smooth, and the residual release agent is still remained, so that the phenomena of hollowing and cracking and the like easily occur when putty is directly applied or mortar is directly applied without good interface treatment. Meanwhile, the existing technology of pouring concrete by using an aluminum mould is combined with the technology of climbing a frame, and a layer of concrete can be poured within 5-7 days. In order to synchronously putty or mortar scraping on the outer wall in a very short time, an interface agent which has good affinity with aluminum mold concrete and is dried quickly must be selected, and the traditional interface agent cannot meet the requirement.
Disclosure of Invention
The invention aims to solve the problems in the prior art, provides a novel interface agent which has strong adhesive force, aging resistance, cracking resistance, good adhesive force, good affinity with aluminum mould concrete, quick drying and freeze thawing resistance, and solves the problems of poor adhesive force, poor water resistance, easy shrinkage cracking, insufficient affinity with concrete, slow drying and the like of the existing interface agent.
In order to achieve the above purpose, the following technical scheme is provided. The interface agent consists of a component A (liquid material) and a component B (powder material) in parts by weight.
The component A comprises the following components in parts by weight: 38-41 parts of water, 0.1-0.2 part of hydroxypropyl methyl cellulose, 0.3-0.5 part of triethanolamine, 2-3 parts of an organic silicon waterproof agent, 30-35 parts of an organic silicon modified emulsion, 0.1-0.2 part of a silane coupling agent, 18-20 parts of VAE emulsion, 0.8-1.1 part of lime emulsion and 0.1-0.2 part of a defoaming agent. The preparation method of the component A comprises the following steps: firstly, water is put into a container, and then hydroxypropyl methyl cellulose and triethanolamine are sequentially added. Stirring for 10 minutes at 300-500 r/min, sequentially adding the organic silicon waterproof agent, the organic silicon modified emulsion, the silane coupling agent, the VAE emulsion and the lime emulsion, stirring uniformly, adding the defoaming agent, stirring uniformly, filtering and canning.
The component B (powder) comprises the following components in parts by weight: 35-40 parts of sulphoaluminate cement, 2-3 parts of micro silica fume, 2-3 parts of fluorite powder, 2-3 parts of high-calcium fly ash, 1-2 parts of polypropylene short fiber and 40-50 parts of dry quartz sand. The preparation method of the component B comprises the following steps: mixing sulphoaluminate cement, micro-wollastonite powder, buddha's stone powder, high-calcium fly ash, polypropylene short fiber and dry quartz sand uniformly, and filling.
Wherein the mixing weight ratio of the component A (liquid material) to the component B (powder material) is as follows: 30-40: 60-70. Selecting raw materials:
component A (liquid material):
1. the organosilicon waterproof and impermeable agent is an organosilicon waterproof agent which is preferably prepared by reacting methyl silicic acid with sodium hydroxide and lithium hydroxide, and the solid content is 20-30%.
2. The organosilicon modified emulsion is preferably an organosilicon modified emulsion which has good compatibility with cement, good compatibility and no adverse reaction.
3. The silane coupling agent is preferably KH550 silane coupling agent.
4. The VAE emulsion is preferably VAE707 available from Wacker Germany.
5. The lime milk is preferably superfine ultrawhite lime milk obtained by washing and dissolving high-quality lime.
The component B (powder material):
1. the sulphoaluminate cement is preferably a low alkali sulphoaluminate cement, reference 425.
2. The micro-silica fume powder is preferably ultra-fine silica fume powder.
3. The Buddha stone powder is preferably Buddha stone powder containing active silicon oxide and active aluminum oxide of not less than 15% and 10%.
4. The fly ash is preferably high-calcium ultrafine fly ash.
5. The polypropylene short fiber is preferably 1-2 mm.
6. The quartz sand is preferably 60-100 mesh quartz sand, and the proportion of the 60 mesh quartz sand accounts for no less than 10% of the total quartz sand.
Technical description:
1. in the invention, the organic silicon modified emulsion and the organic silicon waterproof anti-seepage agent can effectively permeate into the aluminum mould concrete due to small particle size, and can generate chemical reaction with some free components of the concrete to form needle-shaped crystals to block cement capillary channels, thereby achieving good waterproof and anti-seepage effects and stronger adhesive force with a base layer.
2. The VAE emulsion has good adhesion and excellent elongation, can achieve good anti-cracking effect with polypropylene short fibers, has good compatibility with cement, and can achieve the effect of being rigid and flexible when compounded with the cement.
3. The triethanolamine, the lime cream, the micro-silica fume, the fluorite powder, the fly ash and the sulphoaluminate cement are compounded to achieve the effect of compacting and quickly drying the coating.
4. The coarse quartz sand, the medium quartz sand and the fine quartz sand are matched, so that the surface of the coating can achieve a rough surface effect, the contact area with a putty layer or a mortar layer can be increased, and the bonding is firmer. The silane coupling agent is used for compounding the organic material and the inorganic material to achieve perfect combination.
In conclusion, the aluminum mould concrete interface agent can permeate into pores of aluminum mould concrete and a base layer to achieve good bonding effect. The rough surface formed by adding the coarse quartz sand increases the contact surface with the surface layer, and improves the cohesiveness and the adhesive force, so the interface agent really has the function of starting and stopping.
The invention has the beneficial effects that:
the invention is a double-component organic-inorganic modified composite interfacial agent, which not only has good adhesion and adhesive force, is waterproof, impermeable and crack-proof, but also has the characteristics of ageing resistance, freeze-thaw resistance and quick drying, and the invention has simple production process and convenient and quick construction, and can thoroughly solve the problems of hollowing, cracking and even peeling caused by the smooth surface of the aluminum mould concrete and the difficult adhesion of the surface layer.
The specific implementation mode is as follows:
the following will be described with reference to examples:
the first embodiment is as follows:
the component A (liquid material) comprises, by weight, 39.8 parts of water, 0.2 part of hydroxypropyl methyl cellulose, 0.5 part of triethanolamine, 3 parts of an organosilicon waterproofing agent, 35 parts of an organosilicon modified emulsion, 0.2 part of a silane coupling agent, 20 parts of a VAE emulsion, 1.1 parts of lime emulsion and 0.2 part of a defoaming agent. The preparation method of the component A comprises the following steps: firstly, water is put into a container, and then hydroxypropyl methyl cellulose and triethanolamine are sequentially added. Stirring for 10 minutes at 300-500 r/min, sequentially adding the organic silicon waterproof agent, the organic silicon modified emulsion, the silane coupling agent, the VAE emulsion and the lime emulsion, stirring uniformly, adding the defoaming agent, stirring uniformly, filtering and canning.
The component B (powder) comprises the following raw materials in parts by weight: 44 parts of low-alkali sulphoaluminate cement, 3 parts of micro-silica fume, 3 parts of fluorite powder, 3 parts of high-calcium fly ash, 2 parts of polypropylene short fiber, 15 parts of 60-mesh dry quartz sand and 30 parts of 80-100-mesh quartz stone. The preparation method of the component B comprises the following steps: mixing sulphoaluminate cement, micro-wollastonite powder, pumice powder, high-calcium fly ash, polypropylene short fiber and dry quartz sand uniformly, and filling. The optimal mixing ratio of the component A material to the component B material is 35: 65, the component B can be used only by adding the component B into the component A and uniformly stirring in practical application, and the spraying mode is preferably used in construction, so that the method is convenient and rapid, and saves time and labor.

Claims (4)

1. An aluminum mould concrete interface agent and a preparation method thereof are characterized in that: the paint consists of component A (liquid material) and component B (powder material) in parts by weight.
The component A (liquid material) comprises the following components in parts by weight: 38-41 parts of water, 0.1-0.2 part of hydroxypropyl methyl cellulose, 0.3-0.5 part of triethanolamine, 2-3 parts of an organic silicon waterproof agent, 30-35 parts of an organic silicon modified emulsion, 0.1-0.2 part of a silane coupling agent, 18-20 parts of VAE emulsion, 0.8-1.1 part of lime emulsion and 0.1-0.2 part of a defoaming agent.
The component B (powder) comprises the following components in parts by weight: 35-40 parts of sulphoaluminate cement, 2-3 parts of micro silica fume, 2-3 parts of fluorite powder, 2-3 parts of high-calcium fly ash, 1-2 parts of polypropylene short fiber and 40-50 parts of dry quartz sand.
Wherein the mixing weight ratio of the component A (liquid material) to the component B (powder material) is as follows: 30-40: 60-70.
2. The aluminum mold concrete interface agent and the preparation method thereof as claimed in claim 1, wherein the preparation method comprises the following steps: the preparation method of the component A comprises the following steps: adding water into a container, sequentially adding hydroxypropyl methyl cellulose and triethanolamine, stirring for 10 minutes at the speed of 300-500 r/min, sequentially adding an organic silicon waterproof agent, an organic silicon modified emulsion, a silane coupling agent, a VAE emulsion and a lime emulsion, stirring uniformly, adding a defoaming agent, stirring uniformly, filtering and canning. The preparation method of the component B comprises the following steps: mixing sulphoaluminate cement, micro silica fume, fluorite powder, high calcium fly ash, polypropylene short fiber and dry quartz sand uniformly, and filling.
3. The aluminum mold concrete interface agent and the preparation method thereof as claimed in claim 1, wherein: the component A (liquid material) is compounded by triethanolamine, lime cream, silane coupling agent, organosilicon modified emulsion and VAE emulsion.
4. The aluminum mold concrete interface agent and the preparation method thereof as claimed in claim 1, wherein: the component B (powder) is prepared by compounding micro-silica fume, fluorite powder, high-calcium fly ash and low-alkali sulphoaluminate cement.
CN202110487422.6A 2021-05-06 2021-05-06 Aluminum mould concrete interface agent and preparation method thereof Pending CN115216167A (en)

Priority Applications (1)

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CN202110487422.6A CN115216167A (en) 2021-05-06 2021-05-06 Aluminum mould concrete interface agent and preparation method thereof

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Application Number Priority Date Filing Date Title
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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103409003A (en) * 2012-12-31 2013-11-27 嘉宝莉化工集团股份有限公司 Waterborne interface treatment coating and preparation method thereof
CN103468040A (en) * 2013-10-11 2013-12-25 王福刚 Composite high-power waterproof silica gel paint and preparation method thereof
CN103553483A (en) * 2013-10-11 2014-02-05 王福刚 Cement-based capillary crystalline waterproof coating and preparation method thereof
CN108191348A (en) * 2018-03-06 2018-06-22 上海复培新材料技术有限公司 Assembled architecture special interface agent and preparation method thereof
CN111995950A (en) * 2020-08-14 2020-11-27 赣州市犇牛防水建材有限公司 Nano-penetration waterproof agent and preparation method thereof
CN112341140A (en) * 2020-11-10 2021-02-09 安徽瑞和新材料有限公司 Assembled building wet joint concrete interface agent and preparation method thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103409003A (en) * 2012-12-31 2013-11-27 嘉宝莉化工集团股份有限公司 Waterborne interface treatment coating and preparation method thereof
CN103468040A (en) * 2013-10-11 2013-12-25 王福刚 Composite high-power waterproof silica gel paint and preparation method thereof
CN103553483A (en) * 2013-10-11 2014-02-05 王福刚 Cement-based capillary crystalline waterproof coating and preparation method thereof
CN108191348A (en) * 2018-03-06 2018-06-22 上海复培新材料技术有限公司 Assembled architecture special interface agent and preparation method thereof
CN111995950A (en) * 2020-08-14 2020-11-27 赣州市犇牛防水建材有限公司 Nano-penetration waterproof agent and preparation method thereof
CN112341140A (en) * 2020-11-10 2021-02-09 安徽瑞和新材料有限公司 Assembled building wet joint concrete interface agent and preparation method thereof

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Application publication date: 20221021

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