Interfacial agent is used to treat the surface of objects, which may be the adsorption or coating of physical action, but also often the physical and chemical action.The purpose is to improve or completely change the physical and technical properties and surface chemical properties of the material surface.
To change objectsInterface Physical ChemistryCharacteristic is the target product, which can also be called interface modifier.The surface treatment of objects to improve the surface properties of materials is called surface treatment.Interfacial agents are used in different fields, and the means and purposes of surface treatment of objects are also different. The treatment and modification of object interfaces by common interfacial agents can be divided into four types of processes: wetting and dipping, coating treatment, coupling agent treatment, and surface modification.
Chinese name
Interfacial agent
Foreign name
The interface agent
Interpretation
A kind of treatment agent for surface treatment of certain objects
1. Two way penetration bonding produces radioactive chain anchoring effect to permanently and firmly bond two-way materials together.
2. It is a green environmental protection product with high softness and tenacity, good air permeability, anti freezing and thawing, water resistance, aging resistance, non-toxic, tasteless and pollution-free.
3. Acid and alkali resistance and weather resistance, good compatibility with acidAlkaline materialOfadaptabilityHarmony and sex.
4. It can be constructed and hardened in humid environment, and the construction is simple and fast.
usage method
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1. Roller coating or mechanical spraying can be used to spray on the surface of the substrate to be treated or the insulation board.
2. Cement: sand: interface agent=1 ∶ 2 ∶ 0.5, mix and mix evenly, and directly spread on the surface of the base course to be treated.
matters needing attention
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1. There will be layering and mildew after long storage, so it can be stirred evenly before use, without affecting the use effect.
2. The painting shall be even without leakage.
3. The operating ambient temperature shall be above 5 ℃.
Classification and performance
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Common interfacial agents are divided into dry powder type and emulsion type.
1. Dry powder type interface agent
Dry powder interface agent consists of cement, etcInorganic cementitious material, filler, polymer powder and related additives.It has high adhesion, excellent water resistance and aging resistance.When used, water shall be mixed in a certain proportion for mixing.
2. Emulsion type interfacial agent
Emulsion type interfacial agent is mainly composed of chemical polymer materials, supplemented by other fillers.Emulsion type can be divided into single component and two-component according to its composition and applicable base course. When two-component products are used, cement shall be added in proportion.emulsionType I interfacial agent (divided into single component and multi-component).[1]
construction technology
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1. The construction environment must be dry, with relative humidity less than 70% and good ventilation.The temperature of base surface and environment shall not be lower than+5 ℃.
2. Base surface preparation: the base surface should be clean, free of looseness and dust, grease, moss, carpet glue, etc. should be removed, and loose and cracked parts should be chiseled and repaired in advance.
3. Mixing: add 10 liters of water (water: powder=0.5: 1) to each bag of powder (20 kg), and use electric equipment for mixing to form a uniform slurry.
4. Brushing and drying: use a roller or brush to brush the slurry onto the base surface without omission, and then let the coating surface dry (about 12 hours).
5. Curing and finished product protection: ventilation must be strengthened and natural curing is enough. After the slurry is dried (the surface turns gray and black) and it is confirmed that the base surface is completely closed, the subsequent process can be carried out.
6. It is difficult to remove the solidified slurry during tool cleaning.The tools shall be cleaned with water as soon as possible after use.[2]
Scope of application
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Suitable for concreteaerated concrete, small block, light partition wall, brick concrete wall, putty scraping, tile bonding, masonry back coating, insulation board, etc.
