CN111875335B - Mortar special for building floor and floating building floor and production method thereof - Google Patents
Mortar special for building floor and floating building floor and production method thereof Download PDFInfo
- Publication number
- CN111875335B CN111875335B CN202010792357.3A CN202010792357A CN111875335B CN 111875335 B CN111875335 B CN 111875335B CN 202010792357 A CN202010792357 A CN 202010792357A CN 111875335 B CN111875335 B CN 111875335B
- Authority
- CN
- China
- Prior art keywords
- parts
- special
- floating
- water
- mortar
- 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.)
- Active
Links
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
- C04B28/14—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 calcium sulfate cements
- C04B28/16—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 calcium sulfate cements containing anhydrite, e.g. Keene's 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
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
- C04B2201/32—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
-
- 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 special mortar for a building ground and a floating building ground, which comprises the following components in parts by weight: 20-50 parts of anhydrous gypsum or semi-hydrated gypsum, 5-10 parts of CaSO4 crystal reinforcing material, 3-5 parts of silicon nano reinforcing agent, 50-70 parts of graded sand, 5-10 parts of Portland cement, 0.1-0.5 part of special water reducing powder, 0.1-0.5 part of water retaining agent and 0.1-0.5 part of gypsum retarder. The mortar special for the building floor and the floating floor solves the problem that the existing cement mortar is easy to crack by using the semi-hydrated gypsum or the anhydrous gypsum, can be used for the building floor and the floating floor, has the compressive strength acceptance meeting the specification after one year because of adding the CaSO4 crystal reinforcing material and the silicon nano reinforcing agent, and simultaneously solves the problem that the mortar special for the building floor and the floating floor is poor in water resistance, and is difficult to hydrolyze after soaking water.
Description
Technical Field
The invention relates to special mortar for building floors and floating building floors and a production method thereof.
Background
The problem of cracking of the building ground material products in the prior art, mainly cement-based materials, is a difficult problem which is not overcome all the time and seriously influences the engineering quality. Although gypsum materials are used for cracking resistance, the gypsum materials can only be used for wall surfaces, and are difficult to solve in the industry because the gypsum materials have low strength and poor water resistance, can be subjected to strength shrinkage and pulverization for a long time, and can be hydrolyzed almost immediately after being soaked in water. Therefore, a floor material which is not easy to crack, has high strength and relatively good water resistance is not available.
In view of the above, there is a need to improve the existing gypsum mortar to solve the above problems.
Disclosure of Invention
The invention aims to provide special mortar for building floors and floating floors, and aims to solve the problems of low strength, poor water resistance and easiness in cracking of the existing mortar.
In order to achieve the purpose, the invention provides special mortar for a building floor and a floating building floor, which comprises the following components in parts by weight: 20-50 parts of anhydrous gypsum or semi-hydrated gypsum and CaSO45-10 parts of crystal reinforcing material, 3-5 parts of silicon nano reinforcing agent, 50-70 parts of graded sand, 5-10 parts of Portland cement, 0.1-0.5 part of special water reducing powder, 0.1-0.5 part of water-retaining agent and 0.1-0.5 part of gypsum retarder.
As a further improvement of the invention, the graded sand is 30-200 mesh graded sand.
As a further improvement of the invention, the portland cement is 52.5R.
As a further improvement of the invention, the water retention agent is methyl cellulose.
As a further improvement of the present invention, CaSO4Crystal growthThe strong material comprises the following components in parts by weight: the material comprises, by weight, 3 parts of a mixed material, 0.3 part of rare earth, 1 part of calcium silicate, 1 part of calcium ferrite and 1 part of calcium aluminate, wherein the mixed material is prepared by calcining silicon oxide, iron oxide, titanium oxide, beryllium oxide, spodumene, limestone, rare earth and unstable light metal at a high temperature.
As a further improvement of the invention, the silicon nano reinforcing agent is made of nano SiO2Powder and saturated water-soluble silicon dioxide.
The invention also provides a production method of the special mortar for the building floor and the floating building floor, which comprises the following steps:
s1: to produce and provide CaSO4A crystal reinforcing material, a silicon nanoenhancer;
s2: adding 50-70 parts of graded sand;
s3: adding 20-50 parts of anhydrous gypsum or semi-hydrated gypsum;
s4: 5 to 10 portions of Portland cement, 0.1 to 0.5 portion of water-retaining agent, 0.1 to 0.5 portion of gypsum retarder, 0.1 to 0.5 portion of special water-reducing powder, CaSO45-10 parts of crystal reinforcing material and 3-5 parts of silicon nano reinforcing agent are uniformly stirred in high-speed stirring equipment to prepare the special mortar for the ground of the building floor and the floating building floor.
As a further improvement of the present invention, CaSO4The preparation method of the crystal reinforcing material comprises the following steps:
calcining silicon oxide, iron oxide, titanium oxide, beryllium oxide, spodumene, limestone, rare earth and unstable light metal at high temperature to prepare a mixed material;
after the mixed material is taken out of the kiln and quenched, 3 parts of the mixed material, 0.3 part of rare earth, 1 part of calcium silicate, 1 part of calcium ferrite and 1 part of calcium aluminate are taken and ground to the fineness of 400-mesh and 600-mesh in a high-temperature hot air environment, and the mixed material is obtained by natural cooling.
As a further improvement of the invention, the preparation method of the silicon nano reinforcing agent comprises the following steps:
spraying saturated water-soluble silicon dioxide to nano SiO2Drying the powder until the water content is not more than 2 percent to prepare the silicon nano reinforcing agent.
The inventionHas the advantages that: the special mortar for the building floor and the floating floor solves the problem that the existing cement mortar is easy to crack by adding the semi-hydrated gypsum or the anhydrous gypsum, can be used for the building floor and the floating floor, and is added with CaSO4The compressive strength of the crystal reinforcing material and the silicon nano reinforcing agent after one year is checked and accepted to meet the specification, and meanwhile, the problem that the special mortar for the ground of the existing building and the floating building is poor in water resistance is solved, and water is not easy to hydrolyze when being soaked.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in detail below with reference to specific embodiments.
The special mortar for the building floor and the floating building floor comprises the following components in parts by weight: 20-50 parts of anhydrous gypsum or semi-hydrated gypsum and CaSO45-10 parts of crystal reinforcing material, 3-5 parts of silicon nano reinforcing agent, 50-70 parts of graded sand, 5-10 parts of Portland cement, 0.1-0.5 part of special water reducing powder, 0.1-0.5 part of water-retaining agent and 0.1-0.5 part of gypsum retarder. The gypsum is added into the mortar for cracking resistance and increasing CaSO4The crystalline reinforcing material and the silicon nano reinforcing agent can improve water resistance and strength.
Wherein the graded sand is 30-200 meshes of graded sand, the Portland cement is 52.5R, and the water-retaining agent is methyl cellulose.
CaSO4The crystal reinforcing material comprises the following components in parts by weight: the material comprises, by weight, 3 parts of a mixed material, 0.3 part of rare earth, 1 part of calcium silicate, 1 part of calcium ferrite and 1 part of calcium aluminate, wherein the mixed material is prepared by calcining silicon oxide, iron oxide, titanium oxide, beryllium oxide, spodumene, limestone, rare earth and unstable light metal at a high temperature.
The silicon nano reinforcing agent is made of nano SiO2Powder and saturated water-soluble silicon dioxide.
The invention also provides a production method of the special mortar for the building floor and the floating building floor, which comprises the following steps:
s1: to produce and provide CaSO4Crystal reinforcing material, silicon nanoA rice fortifier;
s2: adding 50-70 parts of graded sand;
s3: adding 20-50 parts of anhydrous gypsum or semi-hydrated gypsum;
s4: 5 to 10 portions of Portland cement, 0.1 to 0.5 portion of water-retaining agent, 0.1 to 0.5 portion of gypsum retarder, 0.1 to 0.5 portion of special water-reducing powder, CaSO45-10 parts of crystal reinforcing material and 3-5 parts of silicon nano reinforcing agent are uniformly stirred in high-speed stirring equipment to prepare the special mortar for the ground of the building floor and the floating building floor.
Wherein CaSO4The preparation method of the crystal reinforcing material comprises the following steps:
calcining silicon oxide, iron oxide, titanium oxide, beryllium oxide, spodumene, limestone, rare earth and unstable light metal at high temperature to prepare a mixed material;
after the mixed material is taken out of the kiln and quenched, 3 parts of the mixed material, 0.3 part of rare earth, 1 part of calcium silicate, 1 part of calcium ferrite and 1 part of calcium aluminate are taken and ground to the fineness of 400-mesh and 600-mesh in a high-temperature hot air environment, and the mixed material is obtained by natural cooling.
The preparation method of the silicon nano reinforcing agent comprises the following steps:
spraying saturated water-soluble silicon dioxide to nano SiO2Drying the powder until the water content is not more than 2 percent to prepare the silicon nano reinforcing agent.
The preparation method of the special water reducing powder comprises the following steps:
firstly adding 30 parts of water, then sequentially adding 10 parts of polyethylene glycol, 0.1 part of hydroquinone, 8 parts of butyl methacrylate, 8 parts of methyl methacrylate, 40 parts of allyl polyoxyethylene and 4 parts of acrylic acid, stirring while mixing and dissolving, and heating to 95-100 ℃ for 2 hours to obtain a component A;
adding 2.6 parts of water, 4 parts of acrylamide and 0.015 part of hydroquinone, stirring while mixing and dissolving, heating to 45-55 ℃, slowly dropwise adding 4.5 parts of formaldehyde solution, dropwise adding triethanolamine to adjust the pH value to 8-10, maintaining the temperature to 45-55 ℃ for 2 hours, heating to 70-90 ℃, adding sulfamic acid, adjusting the pH value to 10-12 by using sodium hydroxide solution, maintaining the temperature to 70-90 ℃ for 2 hours, and adjusting the pH value to 7 by using 20% dilute sulfuric acid to obtain a component B;
uniformly mixing 1.6 parts of a component A, 4.3 parts of a component B, 1.56 parts of methacrylic acid sulfonic acid and 1.5 parts of acrylic acid, heating to 70 ℃, slowly adding a 20% potassium persulfate solution, heating to 80 ℃ after adding, maintaining for 5 hours, stirring continuously, cooling after hardening, adjusting the pH to 7 by using a sodium hydroxide solution, testing the solid content, and adjusting the solid content to 70% by using deionized water to obtain a special water reducer mother solution;
mixing gas-phase silicon dioxide powder and water-absorbing resin powder according to the ratio of 1:0.3, spraying special water reducing agent mother liquor into the mixed powder, adsorbing excessive water in the special water reducing agent mother liquor, introducing 80 ℃ hot air into a cyclone barrel, removing partial water to obtain water reducing agent powder z, and mixing the water reducing agent powder z and melamine water reducing agent powder according to the ratio of 5:1 to obtain the special water reducing powder.
Note that CaSO4The parts of the crystal reinforcing material, the silicon nano reinforcing agent and the special water reducing powder in the preparation method are independent from the parts of the components in the special mortar for the building floor and the floating building floor, and only represent the proportion of the components in the preparation process.
The invention provides the following specific embodiments:
example 1
The composition consists of the following components in parts by weight: 20-50 parts of anhydrous gypsum and CaSO45-10 parts of crystal reinforcing material, 3-5 parts of silicon nano reinforcing agent, 50-70 parts of graded sand, 5-10 parts of Portland cement, 0.1-0.5 part of special water reducing powder, 0.1-0.5 part of water-retaining agent and 0.1-0.5 part of gypsum retarder.
Example 2
The composition consists of the following components in parts by weight: 5-10 parts of anhydrous gypsum, 30-50 parts of beta-type semi-hydrated gypsum, 5-10 parts of alpha-type semi-hydrated gypsum and CaSO45-10 parts of crystal reinforcing material, 3-5 parts of silicon nano reinforcing agent, 50-70 parts of graded sand, 5-10 parts of Portland cement, 0.1-0.5 part of special water reducing powder, 0.1-0.5 part of water-retaining agent and 0.1-0.5 part of gypsum retarder.
Example 3
The composition consists of the following components in parts by weight: 30-50 parts of beta-type semi-hydrated gypsum and CaSO45-10 parts of crystal reinforcing material, 3-5 parts of silicon nano reinforcing agent, 50-70 parts of graded sand, 5-10 parts of Portland cement, 0.1-0.5 part of special water reducing powder, 0.1-0.5 part of water-retaining agent and 0.1-0.5 part of gypsum retarder.
In the invention, the beta-type semi-hydrated gypsum and the alpha-type semi-hydrated gypsum are both one of semi-hydrated gypsum.
The mortar prepared according to the embodiment and specially used for building floors and floating floors is not doped with CaSO compared with the following comparative example4And testing various parameters of the crystal reinforcing material and the mortar of the silicon nano reinforcing agent respectively.
Comparative example 1 formulation:
30-50 parts of beta-type semi-hydrated gypsum, 50-70 parts of graded sand, 5-10 parts of Portland cement, 0.1-0.5 part of special water reducing powder, 0.1-0.5 part of water-retaining agent and 0.1-0.5 part of gypsum retarder.
Comparative example 2 formulation:
5-10 parts of anhydrous gypsum, 30-50 parts of beta-type semi-hydrated gypsum, 5-10 parts of alpha-type semi-hydrated gypsum, 50-70 parts of graded sand, 5-10 parts of Portland cement, 0.1-0.5 part of special water reducing powder, 0.1-0.5 part of water retaining agent and 0.1-0.5 part of gypsum retarder.
The minimum strength required by the ground leveling material is not less than 15MPa according to the specification of the quality acceptance of the construction ground engineering. As can be seen from the above tabulated test data, CaSO was not spiked into the intensity data4In the case of the crystal reinforcing material and the silicon reinforcing agent, the strength of comparative example 1 and comparative example 2 did not exceed 15MPa after one year, and the strength was inverted after one year, and the material was not used as a floor material.
The mortar for building floors and floating floors solves the problem that the existing cement mortar is easy to crack by using semi-hydrated gypsum or anhydrous gypsum, and can be used for the building floors and the floating floorsMortar due to CaSO addition4The compressive strength of the crystal reinforcing material and the silicon nano reinforcing agent after one year is checked and accepted to meet the specification, and meanwhile, the problem that the special mortar for the ground of the existing building and the floating building is poor in water resistance is solved, and water is not easy to hydrolyze when being soaked.
Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the present invention.
Claims (7)
1. The mortar special for the building floor and the floating building floor is characterized by comprising the following components in parts by weight: 20-50 parts of anhydrous gypsum or semi-hydrated gypsum and CaSO45-10 parts of crystal reinforcing material, 3-5 parts of silicon nano reinforcing agent, 50-70 parts of graded sand, 5-10 parts of Portland cement, 0.1-0.5 part of special water reducing powder, 0.1-0.5 part of water-retaining agent and 0.1-0.5 part of gypsum retarder; the silicon nano reinforcing agent is made of nano SiO2Powder and saturated water-soluble silicon dioxide; the CaSO4The crystal reinforcing material comprises the following components in parts by weight: the material comprises, by weight, 3 parts of a mixed material, 0.3 part of rare earth, 1 part of calcium silicate, 1 part of calcium ferrite and 1 part of calcium aluminate, wherein the mixed material is prepared by calcining silicon oxide, iron oxide, titanium oxide, beryllium oxide, spodumene, limestone, rare earth and unstable light metal at a high temperature.
2. The mortar special for building floors and floating floors according to claim 1, wherein the graded sand is 30-200 mesh graded sand.
3. The mortar special for building floors and floating floors according to claim 1, wherein the portland cement is 52.5R.
4. The mortar special for building floors and floating floors as claimed in claim 1, wherein the water-retaining agent is methylcellulose.
5. The production method of the mortar special for the building floor and the floating floor as claimed in any one of claims 1 to 4, wherein the production method of the mortar special for the building floor and the floating floor comprises the following steps:
s1: to produce and provide CaSO4A crystal reinforcing material, a silicon nanoenhancer;
s2: adding 50-70 parts of graded sand;
s3: adding 20-50 parts of anhydrous gypsum or semi-hydrated gypsum;
s4: 5 to 10 portions of Portland cement, 0.1 to 0.5 portion of water-retaining agent, 0.1 to 0.5 portion of gypsum retarder, 0.1 to 0.5 portion of special water-reducing powder, CaSO45-10 parts of crystal reinforcing material and 3-5 parts of silicon nano reinforcing agent are uniformly stirred in high-speed stirring equipment to prepare the special mortar for the ground of the building floor and the floating building floor.
6. The method for producing mortar special for building floors and floating floors according to claim 5, wherein CaSO4The preparation method of the crystal reinforcing material comprises the following steps:
calcining silicon oxide, iron oxide, titanium oxide, beryllium oxide, spodumene, limestone, rare earth and unstable light metal at high temperature to prepare a mixed material;
after the mixed material is taken out of the kiln and quenched, 3 parts of the mixed material, 0.3 part of rare earth, 1 part of calcium silicate, 1 part of calcium ferrite and 1 part of calcium aluminate are taken and ground to the fineness of 400-mesh and 600-mesh in a high-temperature hot air environment, and the mixed material is obtained by natural cooling.
7. The production method of the mortar special for the building floors and the floating floors as claimed in claim 6, wherein the preparation method of the silicon nano reinforcing agent comprises the following steps:
spraying saturated water-soluble silicon dioxide to nano SiO2Drying the powder until the water content is not more than 2 percent to prepare the silicon nano reinforcing agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010792357.3A CN111875335B (en) | 2020-08-09 | 2020-08-09 | Mortar special for building floor and floating building floor and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010792357.3A CN111875335B (en) | 2020-08-09 | 2020-08-09 | Mortar special for building floor and floating building floor and production method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111875335A CN111875335A (en) | 2020-11-03 |
| CN111875335B true CN111875335B (en) | 2021-11-16 |
Family
ID=73211113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010792357.3A Active CN111875335B (en) | 2020-08-09 | 2020-08-09 | Mortar special for building floor and floating building floor and production method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111875335B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113816713A (en) * | 2021-10-15 | 2021-12-21 | 重庆杰博思石膏有限公司 | Phosphorus II type anhydrous gypsum-based masonry mortar and preparation method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB441384A (en) * | 1933-07-15 | 1936-01-16 | Ig Farbenindustrie Ag | Improvements in the manufacture and production of metal oxides colloidally soluble in water |
| CN102596845A (en) * | 2009-11-03 | 2012-07-18 | 建筑研究和技术有限公司 | Water-soluble, hydrophobically associating nanocomposites (as rheology modifiers for applications in construction chemistry) |
| CN104174407A (en) * | 2013-05-23 | 2014-12-03 | 中国科学院大连化学物理研究所 | Catalyst for preparation of glycol by oxalate hydrogenation and use thereof |
| CN105645898A (en) * | 2015-12-30 | 2016-06-08 | 上海每天节能环保科技股份有限公司 | Modified gypsum-based self-leveling mortar and preparation and application thereof |
| CN107010917A (en) * | 2017-05-11 | 2017-08-04 | 阜阳三环水泥制品有限公司 | A kind of fire-type gypsum base composite thermal insulation mortar of the granular polystyrene containing glass bead and preparation method thereof |
| CN107266125A (en) * | 2017-08-01 | 2017-10-20 | 合肥市大卓电力有限责任公司 | A kind of environment-friendly insulating mortar and preparation method thereof |
| CN110981393A (en) * | 2019-12-19 | 2020-04-10 | 苏州国中新材料研究院有限公司 | High-strength gypsum self-leveling mortar |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100472060B1 (en) * | 2001-07-27 | 2005-03-07 | 뉴코쎄 주식회사 | Bio ceramic composition and bio-ceramic ball using the same |
| WO2004065324A1 (en) * | 2003-01-20 | 2004-08-05 | Ube Industries, Ltd. | Ceramic composite material for optical conversion and use thereof |
| CN102173711A (en) * | 2011-02-28 | 2011-09-07 | 武汉钢铁(集团)公司 | High-volume slag self-leveling mortar |
| CN103014819A (en) * | 2011-09-27 | 2013-04-03 | 肖云捷 | Wearable compound layer material for machine parts and manufacturing method and equipment thereof |
| CN106573340A (en) * | 2014-07-28 | 2017-04-19 | 西门子能源有限公司 | Laser metalworking of reflective metals using flux |
| CN110510971A (en) * | 2019-08-28 | 2019-11-29 | 贵州福泉蓝图住宅产业化有限公司 | One kind exempting from calcined phosphogypsum adhesive mortar and preparation method thereof |
-
2020
- 2020-08-09 CN CN202010792357.3A patent/CN111875335B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB441384A (en) * | 1933-07-15 | 1936-01-16 | Ig Farbenindustrie Ag | Improvements in the manufacture and production of metal oxides colloidally soluble in water |
| CN102596845A (en) * | 2009-11-03 | 2012-07-18 | 建筑研究和技术有限公司 | Water-soluble, hydrophobically associating nanocomposites (as rheology modifiers for applications in construction chemistry) |
| CN104174407A (en) * | 2013-05-23 | 2014-12-03 | 中国科学院大连化学物理研究所 | Catalyst for preparation of glycol by oxalate hydrogenation and use thereof |
| CN105645898A (en) * | 2015-12-30 | 2016-06-08 | 上海每天节能环保科技股份有限公司 | Modified gypsum-based self-leveling mortar and preparation and application thereof |
| CN107010917A (en) * | 2017-05-11 | 2017-08-04 | 阜阳三环水泥制品有限公司 | A kind of fire-type gypsum base composite thermal insulation mortar of the granular polystyrene containing glass bead and preparation method thereof |
| CN107266125A (en) * | 2017-08-01 | 2017-10-20 | 合肥市大卓电力有限责任公司 | A kind of environment-friendly insulating mortar and preparation method thereof |
| CN110981393A (en) * | 2019-12-19 | 2020-04-10 | 苏州国中新材料研究院有限公司 | High-strength gypsum self-leveling mortar |
Non-Patent Citations (1)
| Title |
|---|
| "硅溶胶对石膏制品性能的影响试验研究";赵红艳等;《矿产综合利用》;20181101(第5期);第155页右栏"3结论"第1段 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111875335A (en) | 2020-11-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105293974B (en) | A kind of concrete is combined super instant coagulant and its application method | |
| CN109369860B (en) | Slow-release controllable polycarboxylate superplasticizer mother liquor and preparation method thereof | |
| CN111410499A (en) | Modified phosphogypsum-based concrete prefabricated part and preparation method thereof | |
| CN104944824A (en) | Cement concrete early strength agent and early strength and water reduction agent | |
| CN107986648A (en) | Portland slag cement and preparation method thereof | |
| CN111423154B (en) | Concrete glue reducing agent and preparation method thereof | |
| CN110372232B (en) | Non-shrinkage cementing material prepared from phosphogypsum, preparation method thereof and concrete | |
| CN112939561B (en) | Phosphogypsum-based light plastering gypsum and preparation method thereof | |
| CN112777960A (en) | High-durability liquid alkali-free accelerator and preparation method thereof | |
| CN107857493A (en) | A kind of method that sulphate aluminium cement is modified | |
| CN111875335B (en) | Mortar special for building floor and floating building floor and production method thereof | |
| CN108558298A (en) | One kind is from retarded concrete | |
| CN112573886B (en) | Cement containing large proportion of slag and preparation method thereof | |
| CN111606625B (en) | Formula and preparation method of C70 high-strength self-compacting concrete | |
| CN112521099A (en) | Production process of quick-setting concrete | |
| CN113773012B (en) | Additive composition for 3D printing, mortar material and preparation method thereof | |
| CN115490496A (en) | High-strength grouting material and preparation method and application thereof | |
| CN114455926A (en) | Cement-based rapid repair material and preparation method thereof | |
| CN104370506A (en) | Concrete with improved construction performance and preparation method thereof | |
| CN113173728A (en) | Alkali-free accelerator resisting aggregate alkali activity reaction and preparation method thereof | |
| CN113061008A (en) | Phosphogypsum wet-mixed mortar for load-bearing structure and preparation method thereof | |
| CN112225850A (en) | Preparation method of high-stability powder polycarboxylate superplasticizer under strong mixing | |
| CN110683820A (en) | Mortar for prefabricated house exhaust passage | |
| CN110922521A (en) | Anti-adsorption agent for concrete and preparation method thereof | |
| JP7510379B2 (en) | Wet shotcrete |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |