WO2020253009A1 - 一种白色干粉砂浆及其施工方法 - Google Patents

一种白色干粉砂浆及其施工方法 Download PDF

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WO2020253009A1
WO2020253009A1 PCT/CN2019/112940 CN2019112940W WO2020253009A1 WO 2020253009 A1 WO2020253009 A1 WO 2020253009A1 CN 2019112940 W CN2019112940 W CN 2019112940W WO 2020253009 A1 WO2020253009 A1 WO 2020253009A1
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mortar
white dry
calcite
white
particle size
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PCT/CN2019/112940
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English (en)
French (fr)
Inventor
庄严
陈覃盈月
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广西四维材料科技股份有限公司
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Priority claimed from CN201910528735.4A external-priority patent/CN110128084A/zh
Priority claimed from CN201910909782.3A external-priority patent/CN110510956A/zh
Application filed by 广西四维材料科技股份有限公司 filed Critical 广西四维材料科技股份有限公司
Priority to MYPI2021007354A priority Critical patent/MY196206A/en
Publication of WO2020253009A1 publication Critical patent/WO2020253009A1/zh

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    • 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
    • C04B2111/00241—Physical properties of the materials not provided for elsewhere in C04B2111/00
    • C04B2111/00293—Materials impermeable to liquids
    • 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
    • C04B2111/80—Optical properties, e.g. transparency or reflexibility
    • C04B2111/802—White cement
    • 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

Definitions

  • the invention relates to the technical field of building decoration materials, in particular to a white dry powder mortar of mortar and a construction method thereof.
  • the requirements of home interior building materials meet the requirements of energy saving, environmental protection, beauty, sturdiness and durability, simple process and high construction efficiency.
  • the current wall decoration construction process includes: 1) repairing the wall; 2) scraping putty; 3) polishing; 4) repairing; 5) applying primer; 6) applying top paint. It can be seen that the traditional construction process is relatively complicated, the construction period is 1-2 weeks, and the construction materials need to be added with glue, emulsion, additives, etc., containing harmful gases such as formaldehyde, which cannot meet environmental protection requirements.
  • the purpose of the present invention is to overcome the shortcomings of the prior art and provide a white dry powder mortar and a construction method thereof.
  • the technical solution adopted by the present invention is: a white dry powder mortar, comprising the following components by weight percentage: 15-25% of calcite with a particle size of 0.6-1mm and a particle size of 0.2-0.6mm 20-30% of calcite, 25-35% of calcite with a particle size of ⁇ 0.2mm, and white cement with a whiteness of ⁇ 88 degrees of 20-30%.
  • the white dry powder mortar of the present invention is added with calcite of different particle sizes.
  • Calcite with a particle size of 0.6-1mm can reduce the porosity of the product
  • calcite with a particle size ⁇ 0.2mm can increase the smoothness and consistency of the product
  • white cement can increase the product Strength and impermeability
  • calcite with a particle size of 0.2-0.6mm is used to reconcile the porosity and smoothness of the product.
  • the mortar obtained by the above formula is used for wall decoration, and the decorative surface obtained has the advantages of high strength (28-day compressive strength ⁇ 15MPa), good impermeability (impermeability ⁇ 1.5MPa), and white calcite raw materials are used.
  • the mortar can be directly mixed with water for construction and use without adding any organic solvents or additives, does not contain harmful gases, meets environmental protection requirements, is convenient to use, can quickly complete wall decoration, and has a short construction period.
  • the white dry powder mortar of the present invention contains the following components by weight percentage: 20% of calcite with a particle size of 0.6-1mm, 25% of calcite with a particle size of 0.2-0.6mm, particle size ⁇ 0.2 mm calcite 30% and white cement 25% whiteness ⁇ 88 degrees. Especially when the above ratio is adopted, the obtained decorative mask has the highest strength and impermeability.
  • Calcite of different particle sizes can be obtained by grading, crushing and screening by a crusher.
  • the object of the present invention is also to provide a construction method of the white dry powder mortar, the construction method is: mixing the white dry powder mortar with water uniformly, and then plastering the wall, natural drying and polishing.
  • the plastering thickness can be selected according to actual needs, preferably 15 ⁇ 3mm, and the construction can be completed by polishing until the surface is smooth and touching without obvious graininess.
  • the indoor air humidity during construction is 55-65%.
  • the drying time is ⁇ 18h. It is preferable to dry naturally for 24 hours.
  • the beneficial effect of the present invention is that the present invention provides a white dry powder mortar. Compared with the existing mortar, the white dry powder mortar of the present invention has the following advantages:
  • the white dry powder mortar of the present invention can be directly added with water and mixed evenly and then the wall can be installed. After repairing, drying, and polishing, the decoration of the wall can be completed.
  • the cycle is 1-2 days, and there is no need to add any glue or additives.
  • the product does not contain harmful gases and meets environmental protection requirements.
  • the present invention adopts white calcite raw materials, the raw materials are easy to obtain, the process is simple, and does not need to be dried, and it is mixed with white cement to form a dry powder mortar, with high whiteness, and very convenient for storage, transportation and use.
  • Adopting the white dry powder mortar of the present invention for wall decoration can reduce construction procedures and save material costs and labor costs.
  • the white dry powder mortar of the present invention is used for wall decoration, and the obtained decorative surface has the advantages of high strength (28-day compressive strength ⁇ 15MPa) and impermeability ⁇ 1.5MPa.
  • the mortar of the present invention has no effect on human health. , It is a new green material.
  • composition of the white dry powder mortar described in Examples 1 to 4 is shown in Table 1.
  • the mortars described in Examples 1 to 4 and Comparative Examples 1 to 6 were constructed.
  • the construction method was as follows: 1 ton of white dry mortar was added to 270 kg of water, and the white dry mortar and water were evenly mixed and then plastered on the wall.
  • the thickness of the ash is 15mm. After 24 hours of natural drying, the ash can be polished until the surface is smooth and there is no obvious graininess.
  • the test method is as follows: prepare cube test molds, 3 in each group, apply sealing material to the test molds, and brush the release agent in the molds ; Fill the test mold with the white dry mortar at one time, scrape the top surface of the mortar above the test mold after the moisture is slightly dry; place the test piece in an environment of 20 ⁇ 5 degrees Celsius and stand still for 24 ⁇ 2 hours, right The specimens are numbered and demolded; immediately after demolding, the specimens are placed in a laboratory with a temperature of 20 ⁇ 2 degrees Celsius for curing for 28 days; the test is carried out after 28 days, the specimens are wiped clean and placed on the backing plate of the testing machine according to the standard When the test piece is close to failure and rapidly deforms, stop the throttle of the testing machine until the test piece is damaged, record the failure load, and calculate the result according to the formula. The consistency is measured and calculated in accordance with JGJ 70-90 "Experi).

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  • 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)
  • Finishing Walls (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

一种白色干粉砂浆及其施工方法，砂浆包含以下重量百分含量的组分：粒径为0.6～1mm的方解石15～25％、粒径为0.2～0.6mm的方解石20～30％、粒径≤0.2mm的方解石25～35％和白度≥88度的白水泥20～30％。在装饰墙体时，施工周期短，无需添加胶水、助剂，产品不含有害气体，达到环保要求。

Description

一种白色干粉砂浆及其施工方法 技术领域
本发明涉及建筑装饰材料技术领域，具体涉及一种砂浆白色干粉砂浆及其施工方法。
背景技术
家居室内建筑材料的要求达到节能、环保、美观、坚固耐用、工序简易、施工效率高的要求。而目前墙体装饰施工的工序包括：1)对墙面进行修补；2)刮腻子；3)打磨；4)修补；5)刷底漆；6)刷面漆。可见传统施工工序较为复杂，施工周期为1-2周，而且施工材料中需添加胶水、乳液、添加剂等，含甲醛等有害气体，不能达到环保要求。
发明内容
本发明的目的在于克服现有技术存在的不足之处而提供一种白色干粉砂浆及其施工方法。
为实现上述目的，本发明采取的技术方案为：一种白色干粉砂浆，包含以下重量百分含量的组分：粒径为0.6～1mm的方解石15～25％、粒径为0.2～0.6mm的方解石20～30％、粒径≤0.2mm的方解石25～35％和白度≥88度白水泥20～30％。
本发明所述白色干粉砂浆中添加了不同粒径的方解石，粒径为0.6～1mm的方解石可降低产品孔隙率，粒径≤0.2mm的方解石可以增加产品光滑度和稠度，白水泥可增加产品强度和抗渗性，粒径为0.2～0.6mm的方解石用于调和产品的孔隙率和光滑度。采用上述配方获得的砂浆进行墙体装饰，得到的装饰面具有强度高(28天抗压强度≥15MPa)、抗渗性能好(抗渗性≥1.5MPa)的优点，并且采用白色方解石原料，原料易取，工艺简单，无需烘干，而且与白水泥混合成干粉砂浆，白度高，存放、运输和使用均非常方便。所述砂浆可以直接与水混合后施工使用，无需添加任何有机溶剂、助剂，不含有害气体，达到环保要求， 使用方便，能够快速完成墙体装饰，施工周期短。
作为本发明所述白色干粉砂浆的优选实施方式，包含以下重量百分含量的组分：粒径为0.6～1mm的方解石20％、粒径为0.2～0.6mm的方解石25％、粒径≤0.2mm的方解石30％和白度≥88度的白水泥25％。尤其是采用上述配比时，得到的装饰面具强度和抗渗性最高。
不同粒径的方解石可以经过破碎机分级破碎筛选获得。
作为本发明所述白色干粉砂浆的优选实施方式，所述白色干粉砂浆使用时，所述白色干粉砂浆与水的配比为：砂浆：水＝1:0.26～0.28。
本发明的目的还在于提供所述白色干粉砂浆的施工方法，所述施工方法为：将所述白色干粉砂浆与水混合均匀，然后上墙抹灰，自然干燥，打磨。抹灰厚度可以根据实际需要选择，优选为15±3mm，打磨至表面平滑手触无明显颗粒感即可完成施工。
作为本发明所述白色干粉砂浆的施工方法的优选实施方式，所述白色干粉砂浆与水的重量之比为：砂浆：水＝1:0.26～0.28。
作为本发明所述白色干粉砂浆的施工方法的优选实施方式，施工时室内空气湿度为55～65％。
作为本发明所述白色干粉砂浆的施工方法的优选实施方式，所述干燥时间≥18h。优选自然干燥24h。
本发明的有益效果在于：本发明提供了一种白色干粉砂浆，与现有的砂浆相比，本发明所述白色干粉砂浆具有以下优势：
1)使用本发明白色干粉砂浆装饰白色墙体，无需经过传统多道工序，直接将白色干粉砂浆加水搅拌均匀后即可上墙，经修补、晾干、打磨即完成装饰墙体的工程，施工周期为1-2天，且无需添加任何胶水、助剂，产品不含有害气体，达到环保要求。
2)本发明采用白色方解石原料，原料易取，工艺简单，无需烘干，而且与 白色水泥混合成干粉砂浆，白度高，存放、运输和使用均非常方便。
3)采用本发明白色干粉砂浆进行墙体装饰，可以减少施工工序，节约材料成本与人工成本。
4)采用本发明产品白色干粉砂浆进行墙体装饰，得到的装饰面具有强度高(28天抗压强度≥15MPa)、抗渗性≥1.5MPa的优点，本发明所述砂浆对人体健康无影响，属绿色环保新材料。
具体实施方式
为更好的说明本发明的目的、技术方案和优点，下面将结合具体实施例对本发明作进一步说明。
实施例1～4
实施例1～4所述白色干粉砂浆的组成见表1。
表1实施例1～4所述白色干粉砂浆的组成(％)
Figure PCTCN2019112940-appb-000001
实施例5
将实施例1～4和对比例1～6所述砂浆进行施工，施工方法为：按1吨白色干粉砂浆加入270kg水的配比，将白色干粉砂浆与水搅拌均匀后上墙抹灰，抹灰厚度为15mm，经24小时自然干燥，然后再打磨至表面平滑手触无明显颗粒感即可。
测试实施例1～4和对比例1～6所述砂浆获得的装饰面的性能，测试方法为：准备立方体试模，每组3个，采用密封材料涂抹试模，并在模内刷隔离剂；将白色干粉砂浆一次性装满试模，待水分稍干后将高出试模部分的砂浆顶面刮去抹平；将试件放置在20±5摄氏度的环境下静止24±2h，对试件进行编号、拆模；试件拆模后立刻放入温度为20±2摄氏度的实验室内养护28天；28天后进行试验，将试件擦拭干净，按标准安放在试验机的垫板上，匀速加荷，当试件接近破坏而迅速变形时停止试验机油门直至试件破坏，记录破坏荷载，并根据公式计算结果。稠度按照JGJ 70-90《建筑砂浆基本性能实验方法》进行测算。抗渗性按照DL/T5126《聚合物改性砂浆实验规程》进行测算。
测试结果见表2。
表2实施例1～4和对比例1～6所述砂浆获得的装饰面的性能测试结果
Figure PCTCN2019112940-appb-000002
从表2可以看出，与对比例1～6相比，实施例1～4所述白色干粉砂浆均具 有更优异的抗压强度和抗渗性能，且墙体表面光滑平整，浆料的稠度能满足施工要求，其中实施例1的抗压强度和抗渗性能最佳。
最后所应当说明的是，以上实施例仅用以说明本发明的技术方案而非对本发明保护范围的限制，尽管参照较佳实施例对本发明作了详细说明，本领域的普通技术人员应当理解，可以对本发明的技术方案进行修改或者等同替换，而不脱离本发明技术方案的实质和范围。

Claims (6)

  1. 一种白色干粉砂浆，其特征在于，包含以下重量百分含量的组分：粒径为0.6～1mm的方解石15～25％、粒径为0.2～0.6mm的方解石20～30％、粒径≤0.2mm的方解石25～35％和白度≥88度的白水泥20～30％。
  2. 如权利要求1所述白色干粉砂浆，其特征在于，包含以下重量百分含量的组分：粒径为0.6～1mm的方解石20％、粒径为0.2～0.6mm的方解石25％、粒径≤0.2mm的方解石30％和白度≥88度的白水泥25％。
  3. 如权利要求1或2所述白色干粉砂浆的施工方法，其特征在于，所述施工方法为：将所述白色干粉砂浆与水混合均匀，然后上墙抹灰，自然干燥，打磨。
  4. 如权利要求3所述白色干粉砂浆的施工方法，其特征在于，所述白色干粉砂浆与水的重量之比为：砂浆：水＝1:0.26～0.28。
  5. 如权利要求3所述白色干粉砂浆的施工方法，其特征在于，施工时，室内空气湿度为55～65％。
  6. 如权利要求3所述白色干粉砂浆的施工方法，其特征在于，所述干燥的时间≥18h。
PCT/CN2019/112940 2019-06-18 2019-10-24 一种白色干粉砂浆及其施工方法 WO2020253009A1 (zh)

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