WO2023197463A1 - 一种用于沉箱型卫生间的轻质发泡填充材料 - Google Patents

一种用于沉箱型卫生间的轻质发泡填充材料 Download PDF

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WO2023197463A1
WO2023197463A1 PCT/CN2022/103222 CN2022103222W WO2023197463A1 WO 2023197463 A1 WO2023197463 A1 WO 2023197463A1 CN 2022103222 W CN2022103222 W CN 2022103222W WO 2023197463 A1 WO2023197463 A1 WO 2023197463A1
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parts
filling material
water
agent
metakaolin
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PCT/CN2022/103222
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English (en)
French (fr)
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宋正国
李江军
陈自石
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湖南省富民乐建材科技发展有限公司
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Publication of WO2023197463A1 publication Critical patent/WO2023197463A1/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
    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/10—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by using foaming agents or by using mechanical means, e.g. adding preformed foam
    • C04B38/106—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by using foaming agents or by using mechanical means, e.g. adding preformed foam by adding preformed foams
    • 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
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/40—Porous or lightweight 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
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

Definitions

  • the present invention relates to the field of foam filling materials, and in particular to a lightweight foam filling material used in caisson-type toilets.
  • Foamed cement also known as foam concrete, is a lightweight cement matrix foam material formed by inflating the cement slurry to reduce its density.
  • the biggest difference between it and ordinary concrete in terms of raw materials is that it does not require the use of coarse aggregates, and at the same time introduces a large number of evenly distributed bubbles, resulting in a large number of evenly distributed pores inside, and has excellent properties of being lightweight. It is widely used in construction engineering and in energy-saving wall materials. However, precisely because of the large number of holes, insufficient compressive strength has always been a problem that those skilled in the art need to solve.
  • the present invention aims to provide a lightweight foam filling material for caisson-type toilets, which has the advantages of low density, low water absorption, and high compressive strength.
  • the invention provides a lightweight foam filling material for caisson-type toilets.
  • the lightweight foam filling material includes, in parts by weight: 200-220 parts of Portland cement, 6-10 parts of metakaolin, and powder. 4-10 parts of coal ash, 0.5-1.0 parts of sodium lauryl sulfate, 1.5-2 parts of Yuanming powder, 0.3-1.8 parts of hydrophobic agent, 0.1-1.3 parts of gray calcium, 1.0-1.2 parts of water-retaining agent, quick setting 0.15-0.3 parts of agent and 160-200 parts of water.
  • the lightweight foaming filling material includes, in parts by weight: 200 parts of Portland cement, 9.2 parts of metakaolin, 6.3 parts of fly ash, 0.5 parts of sodium lauryl sulfate, and 1.5 parts of Yuanming powder.
  • the water retaining agent is polyacrylamide.
  • the hydrophobic agent is sodium stearate.
  • preparing the lightweight foaming filling material includes: first dissolving sodium lauryl sulfate and Yuan Ming powder in water, stirring to make the foaming volume reach 500%-600% of the water volume, and then Add water-repellent agent, gray calcium and water-retaining agent, stir evenly, then add Portland cement, metakaolin, fly ash and quick-setting agent, continue stirring until uniform, and obtain foaming filling material.
  • the invention uses Portland cement as the base material, sodium lauryl sulfate as the foaming aid, and then adds functional aids such as hydrophobic agent, water retaining agent and accelerating setting agent. It combines metakaolin and fly ash at the same time.
  • a lightweight foaming filling material with low density, low water absorption, high compressive strength and strong adhesion to waterproof coatings was prepared. This lightweight foam filling material can be used in caisson-type bathrooms and other fields.
  • Foaming filling materials include: 200 parts of Portland cement, 9.2 parts of metakaolin, 6.3 parts of fly ash, 0.5 parts of sodium lauryl sulfate, 1.5 parts of Yuanming powder, 0.3 parts of sodium stearate, and 0.1 parts of gray calcium , 1.0 parts of polyacrylamide, 0.15 parts of quick-setting agent, 160 parts of water.
  • Foaming filling materials include: 200 parts of Portland cement, 6 parts of metakaolin, 4 parts of fly ash, 0.5 parts of sodium lauryl sulfate, 1.5 parts of Yuanming powder, 0.3 parts of sodium stearate, and 0.1 parts of gray calcium , 1.0 parts of polyacrylamide, 0.15 parts of quick-setting agent, 160 parts of water.
  • Foaming filling materials include: 200 parts of Portland cement, 8 parts of metakaolin, 6 parts of fly ash, 0.5 parts of sodium lauryl sulfate, 1.5 parts of Yuanming powder, 0.3 parts of sodium stearate, and 0.1 parts of gray calcium , 1.0 parts of polyacrylamide, 0.15 parts of quick-setting agent, 160 parts of water.
  • Foaming filling materials include: 200 parts of Portland cement, 9.2 parts of metakaolin, 6.3 parts of fly ash, 0.5 parts of sodium lauryl sulfate, 1.5 parts of Yuanming powder, 0.3 parts of sodium stearate, and 0.1 parts of gray calcium , 1.0 parts of polyacrylamide, 0.15 parts of quick-setting agent, 160 parts of water.
  • Foaming filling materials include: 200 parts of Portland cement, 6.3 parts of metakaolin, 9.2 parts of fly ash, 0.5 parts of sodium lauryl sulfate, 1.5 parts of Yuanming powder, 0.3 parts of sodium stearate, and 0.1 parts of gray calcium , 1.0 parts of polyacrylamide, 0.15 parts of quick-setting agent, 160 parts of water.
  • Foaming filling materials include: 200 parts of Portland cement, 10 parts of metakaolin, 10 parts of fly ash, 0.5 parts of sodium lauryl sulfate, 1.5 parts of Yuanming powder, 0.3 parts of sodium stearate, and 0.1 parts of gray calcium , 1.0 parts of polyacrylamide, 0.15 parts of quick-setting agent, 160 parts of water.
  • Foaming filling materials include: 200 parts of Portland cement, 15.5 parts of metakaolin, 0.5 parts of sodium lauryl sulfate, 1.5 parts of Yuanming powder, 0.3 parts of sodium stearate, 0.1 parts of gray calcium, and 1.0 parts of polyacrylamide , 0.15 parts of quick-setting agent, 160 parts of water.
  • Foaming filling materials include: 200 parts of Portland cement, 15.5 parts of fly ash, 0.5 parts of sodium lauryl sulfate, 1.5 parts of Yuanming powder, 0.3 parts of sodium stearate, 0.1 parts of gray calcium, and 1.0 parts of polyacrylamide parts, 0.15 parts of quick-setting agent, 160 parts of water.
  • Foaming filling materials include: 200 parts of Portland cement, 9.2 parts of metakaolin, 0.5 parts of sodium lauryl sulfate, 1.5 parts of Yuanming powder, 0.3 parts of sodium stearate, 0.1 parts of gray calcium, and 1.0 parts of polyacrylamide parts, 0.15 parts of quick-setting agent, 160 parts of water.
  • Foaming filling materials include: 200 parts of Portland cement, 6.3 parts of fly ash, 0.5 parts of sodium lauryl sulfate, 1.5 parts of Yuanming powder, 0.3 parts of sodium stearate, 0.1 parts of gray calcium, and 1.0 parts of polyacrylamide parts, 0.15 parts of quick-setting agent, 160 parts of water.
  • the specific method is: Compressive strength: Continuously load a test sample with a diameter of 30mm and a height of 80mm at a loading speed of 2.0KN/s. Press until the sample reaches the failure state, and record the failure load at this time, and calculate the compressive strength of the sample accordingly.
  • the porosity of the foam material can be calculated by calculating the ratio of the density of the foam filling material after condensation to the density of pure cementitious material after condensation.
  • Example 3 As can be seen from Table 1, under the test conditions of Example 3, a low-density foam filling material with excellent compression resistance was obtained. In addition, we evaluated the water absorption performance of the sample in Example 3, and the water absorption performance was 9.1 (V/V%), indicating that it has good waterproof ability, and that the foamed filling material has strong adhesion to the waterproof coating. Focus.
  • the invention uses Portland cement as the base material, sodium lauryl sulfate as the foaming aid, and then adds functional aids such as hydrophobic agent, water retaining agent and accelerating setting agent. It combines metakaolin and fly ash at the same time.
  • a lightweight foaming filling material with low density, low water absorption, high compressive strength and strong adhesion to waterproof coatings was prepared. This lightweight foam filling material can be used in caisson-type bathrooms and other fields.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

本发明涉及一种用于沉箱型卫生间的轻质发泡填充材料。本发明以硅酸盐水泥为基料，以十二烷基硫酸钠为发泡助剂，再添加憎水剂、保水剂和速凝剂等功能性助剂，在偏高岭土与粉煤灰同时掺入的情况下，制备得到了密度低、吸水率低、抗压强度高且与防水涂料具有较强附着力的轻质发泡填充材料。该轻质发泡填充材料可应用于沉箱型卫生间等填充空间的填充、房屋顶层隔热、地下层防潮等领域。

Description

一种用于沉箱型卫生间的轻质发泡填充材料 技术领域
本发明涉及发泡填充材料领域，具体涉及一种用于沉箱型卫生间的轻质发泡填充材料。
 背景技术
发泡水泥，又名泡沫混凝土，是为了降低水泥泥浆的密度，向其中充气而形成的轻质水泥基体发泡材料。它与普通混凝土在原料上最大的区别在于不需要使用粗集料，同时引入大量均匀分布的气泡，导致内部具有大量均匀分布的细孔，具有质轻的优异性能，其广泛应用于建筑工程和节能墙体材料中。然而，正是由于其存在大量的孔洞，抗压强度不足一直是本领域普通技术人员需要解决的问题。
 技术问题
针对现有技术存在的问题，本发明旨在提供一种用于沉箱型卫生间的轻质发泡填充材料，该材料具有密度低、吸水率低、抗压强度高等优点。
 技术解决方案
本发明提供了一种用于沉箱型卫生间的轻质发泡填充材料，所述轻质发泡填充材料以重量份计包括：硅酸盐水泥200-220份，偏高岭土6-10份，粉煤灰4-10份，十二烷基硫酸钠0.5-1.0份，元明粉1.5-2份，憎水剂0.3-1.8份，灰钙0.1-1.3份，保水剂1.0-1.2份，速凝剂0.15-0.3份，水160-200份。
优选地，所述轻质发泡填充材料以重量份计包括：硅酸盐水泥200份，偏高岭土9.2份，粉煤灰6.3份，十二烷基硫酸钠0.5份，元明粉1.5份，憎水剂0.3份，灰钙0.1份，保水剂1.0份，速凝剂0.15份，水160份。
优选地，所述保水剂为聚丙烯酰胺。
优选地，所述憎水剂为硬脂酸钠。
优选地，制备所述轻质发泡填充材料包括：先将十二烷基硫酸钠和元明粉溶解于水中，在搅拌的情况下使发泡体积达到加水体积的500%-600%，随后投入憎水剂、灰钙和保水剂，搅拌均匀后加入硅酸盐水泥、偏高岭土、粉煤灰和速凝剂，继续搅拌至均匀，得到发泡填充材料。
 有益效果
本发明以硅酸盐水泥为基料，以十二烷基硫酸钠为发泡助剂，再添加憎水剂、保水剂和速凝剂等功能性助剂，在偏高岭土与粉煤灰同时掺入的情况下，制备得到了密度低、吸水率低、抗压强度高且与防水涂料具有较强附着力的轻质发泡填充材料。该轻质发泡填充材料可应用于沉箱型卫生间等领域。
 本发明的最佳实施方式
实施例3。
发泡填充材料包括：硅酸盐水泥200份，偏高岭土9.2份，粉煤灰6.3份，十二烷基硫酸钠0.5份，元明粉1.5份，硬脂酸钠0.3份，灰钙0.1份，聚丙烯酰胺1.0份，速凝剂0.15份，水160份。
先将十二烷基硫酸钠和元明粉溶解于水中，在搅拌的情况下使发泡体积达到加水体积的500%，随后投入硬脂酸钠、灰钙和聚丙烯酰胺，搅拌均匀后加入硅酸盐水泥、偏高岭土、粉煤灰和速凝剂，继续搅拌至均匀，得到发泡填充材料。
 本发明的实施方式
下面通过具体实施例来验证本发明的技术效果，但是本发明的实施方式不局限于此。
实施例1。
发泡填充材料包括：硅酸盐水泥200份，偏高岭土6份，粉煤灰4份，十二烷基硫酸钠0.5份，元明粉1.5份，硬脂酸钠0.3份，灰钙0.1份，聚丙烯酰胺1.0份，速凝剂0.15份，水160份。
先将十二烷基硫酸钠和元明粉溶解于水中，在搅拌的情况下使发泡体积达到加水体积的500%，随后投入硬脂酸钠、灰钙和聚丙烯酰胺，搅拌均匀后加入硅酸盐水泥、偏高岭土、粉煤灰和速凝剂，继续搅拌至均匀，得到发泡填充材料。
实施例2。
发泡填充材料包括：硅酸盐水泥200份，偏高岭土8份，粉煤灰6份，十二烷基硫酸钠0.5份，元明粉1.5份，硬脂酸钠0.3份，灰钙0.1份，聚丙烯酰胺1.0份，速凝剂0.15份，水160份。
先将十二烷基硫酸钠和元明粉溶解于水中，在搅拌的情况下使发泡体积达到加水体积的500%，随后投入硬脂酸钠、灰钙和聚丙烯酰胺，搅拌均匀后加入硅酸盐水泥、偏高岭土、粉煤灰和速凝剂，继续搅拌至均匀，得到发泡填充材料。
实施例3。
发泡填充材料包括：硅酸盐水泥200份，偏高岭土9.2份，粉煤灰6.3份，十二烷基硫酸钠0.5份，元明粉1.5份，硬脂酸钠0.3份，灰钙0.1份，聚丙烯酰胺1.0份，速凝剂0.15份，水160份。
先将十二烷基硫酸钠和元明粉溶解于水中，在搅拌的情况下使发泡体积达到加水体积的500%，随后投入硬脂酸钠、灰钙和聚丙烯酰胺，搅拌均匀后加入硅酸盐水泥、偏高岭土、粉煤灰和速凝剂，继续搅拌至均匀，得到发泡填充材料。
实施例4。
发泡填充材料包括：硅酸盐水泥200份，偏高岭土6.3份，粉煤灰9.2份，十二烷基硫酸钠0.5份，元明粉1.5份，硬脂酸钠0.3份，灰钙0.1份，聚丙烯酰胺1.0份，速凝剂0.15份，水160份。
先将十二烷基硫酸钠和元明粉溶解于水中，在搅拌的情况下使发泡体积达到加水体积的500%，随后投入硬脂酸钠、灰钙和聚丙烯酰胺，搅拌均匀后加入硅酸盐水泥、偏高岭土、粉煤灰和速凝剂，继续搅拌至均匀，得到发泡填充材料。
实施例5。
发泡填充材料包括：硅酸盐水泥200份，偏高岭土10份，粉煤灰10份，十二烷基硫酸钠0.5份，元明粉1.5份，硬脂酸钠0.3份，灰钙0.1份，聚丙烯酰胺1.0份，速凝剂0.15份，水160份。
先将十二烷基硫酸钠和元明粉溶解于水中，在搅拌的情况下使发泡体积达到加水体积的500%，随后投入硬脂酸钠、灰钙和聚丙烯酰胺，搅拌均匀后加入硅酸盐水泥、偏高岭土、粉煤灰和速凝剂，继续搅拌至均匀，得到发泡填充材料。
对比例1。
发泡填充材料包括：硅酸盐水泥200份，偏高岭土15.5份，十二烷基硫酸钠0.5份，元明粉1.5份，硬脂酸钠0.3份，灰钙0.1份，聚丙烯酰胺1.0份，速凝剂0.15份，水160份。
先将十二烷基硫酸钠和元明粉溶解于水中，在搅拌的情况下使发泡体积达到加水体积的500%，随后投入硬脂酸钠、灰钙和聚丙烯酰胺，搅拌均匀后加入硅酸盐水泥、偏高岭土和速凝剂，继续搅拌至均匀，得到发泡填充材料。
对比例2。
发泡填充材料包括：硅酸盐水泥200份，粉煤灰15.5份，十二烷基硫酸钠0.5份，元明粉1.5份，硬脂酸钠0.3份，灰钙0.1份，聚丙烯酰胺1.0份，速凝剂0.15份，水160份。
先将十二烷基硫酸钠和元明粉溶解于水中，在搅拌的情况下使发泡体积达到加水体积的500%，随后投入硬脂酸钠、灰钙和聚丙烯酰胺，搅拌均匀后加入硅酸盐水泥、粉煤灰和速凝剂，继续搅拌至均匀，得到发泡填充材料。
对比例3。
发泡填充材料包括：硅酸盐水泥200份，偏高岭土9.2份，，十二烷基硫酸钠0.5份，元明粉1.5份，硬脂酸钠0.3份，灰钙0.1份，聚丙烯酰胺1.0份，速凝剂0.15份，水160份。
先将十二烷基硫酸钠和元明粉溶解于水中，在搅拌的情况下使发泡体积达到加水体积的500%，随后投入硬脂酸钠、灰钙和聚丙烯酰胺，搅拌均匀后加入硅酸盐水泥、偏高岭土和速凝剂，继续搅拌至均匀，得到发泡填充材料。
对比例4。
发泡填充材料包括：硅酸盐水泥200份，粉煤灰6.3份，十二烷基硫酸钠0.5份，元明粉1.5份，硬脂酸钠0.3份，灰钙0.1份，聚丙烯酰胺1.0份，速凝剂0.15份，水160份。
先将十二烷基硫酸钠和元明粉溶解于水中，在搅拌的情况下使发泡体积达到加水体积的500%，随后投入硬脂酸钠、灰钙和聚丙烯酰胺，搅拌均匀后加入硅酸盐水泥、粉煤灰和速凝剂，继续搅拌至均匀，得到发泡填充材料。
进一步地，发明人对发泡填充材料的抗压强度和孔隙率进行评价，具体方法为：抗压强度：以2.0KN/s的加载速度持续对直径为30mm，高度为80mm的试验样品进行加压，直至样品达到破坏状态为止，并记录此时的破坏载荷，据此计算样品的抗压强度。
孔隙率：计算泡沫填充材料凝结后的密度与纯胶凝材料凝结后的密度比，即可计算出泡沫材料的孔隙率。
实施例1-5以及对比例1-4的样品抗压强度及孔隙率如表1所示。 。
从表1可以看到，在实施例3的试验条件下，获得了抗压轻度优异的低密度发泡填充材料。另外，我们对实施例3中样品的吸水性能进行评价，其吸水性能为9.1（V/V%），表明其具有良好的防水能力，并且，该发泡填充材料与防水涂料具有较强的附着力。
以上所述仅是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明技术原理的前提下，还可以做出若干改进和变型，这些改进和变型也应视为本发明的保护范围。
 工业实用性
本发明以硅酸盐水泥为基料，以十二烷基硫酸钠为发泡助剂，再添加憎水剂、保水剂和速凝剂等功能性助剂，在偏高岭土与粉煤灰同时掺入的情况下，制备得到了密度低、吸水率低、抗压强度高且与防水涂料具有较强附着力的轻质发泡填充材料。该轻质发泡填充材料可应用于沉箱型卫生间等领域。

Claims (5)

  1. 一种用于沉箱型卫生间的轻质发泡填充材料，其特征在于，所述轻质发泡填充材料以重量份计包括：硅酸盐水泥200-220份，偏高岭土6-10份，粉煤灰4-10份，十二烷基硫酸钠0.5-1.0份，元明粉1.5-2份，憎水剂0.3-1.8份，灰钙0.1-1.3份，保水剂1.0-1.2份，速凝剂0.15-0.3份，水160-200份。
  2. 一种如权利要求1所述的用于沉箱型卫生间的轻质发泡填充材料，其特征在于，所述轻质发泡填充材料以重量份计包括：硅酸盐水泥200份，偏高岭土9.2份，粉煤灰6.3份，十二烷基硫酸钠0.5份，元明粉1.5份，憎水剂0.3份，灰钙0.1份，保水剂1.0份，速凝剂0.15份，水160份。
  3. 一种如权利要求1所述的用于沉箱型卫生间的轻质发泡填充材料，其特征在于，所述保水剂为聚丙烯酰胺。
  4. 一种如权利要求1-2所述的用于沉箱型卫生间的轻质发泡填充材料，其特征在于，所述憎水剂为硬脂酸钠。
  5. 一种如权利要求1所述的用于沉箱型卫生间的轻质发泡填充材料，其特征在于，制备所述轻质发泡填充材料包括：先将十二烷基硫酸钠和元明粉溶解于水中，在搅拌的情况下使发泡体积达到加水体积的500%-600%，随后投入憎水剂、灰钙和保水剂，搅拌均匀后加入硅酸盐水泥、偏高岭土、粉煤灰和速凝剂，继续搅拌至均匀，得到发泡填充材料。
     
     
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