CN111620597A - Filling material for cement foundation expansion joint and preparation method and application thereof - Google Patents
Filling material for cement foundation expansion joint and preparation method and application thereof Download PDFInfo
- Publication number
- CN111620597A CN111620597A CN202010286375.4A CN202010286375A CN111620597A CN 111620597 A CN111620597 A CN 111620597A CN 202010286375 A CN202010286375 A CN 202010286375A CN 111620597 A CN111620597 A CN 111620597A
- Authority
- CN
- China
- Prior art keywords
- filling material
- agent
- polyether polyol
- carrying
- solvent
- 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.)
- Pending
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
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/10—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B26/16—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3203—Polyhydroxy compounds
- C08G18/3206—Polyhydroxy compounds aliphatic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4804—Two or more polyethers of different physical or chemical nature
- C08G18/4816—Two or more polyethers of different physical or chemical nature mixtures of two or more polyetherpolyols having at least three hydroxy groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
- C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6674—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
-
- 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
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00663—Uses not provided for elsewhere in C04B2111/00 as filling material for cavities or the like
- C04B2111/00672—Pointing or jointing materials
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The invention belongs to the field of cement materials, and particularly relates to preparation and application of a filling material for a cement foundation expansion joint. The method comprises the following steps: firstly, weighing raw materials; secondly, adding polyether polyol, a coloring agent, argil and a dispersing agent into a container with a thermometer and a stirrer, and dehydrating and degassing at the temperature of 100-; and thirdly, slowly adding isocyanate and a solvent, carrying out free reaction under the condition of normal pressure closed stirring, slowly heating to 80-90 ℃, carrying out heat preservation reaction for 120 minutes, dropwise adding a chain extender and the solvent below 85 ℃, carrying out heat preservation stirring reaction for 120 minutes at 80-85 ℃, cooling to 60 ℃, adding 18 parts by mass of an anti-settling agent, stirring for 15 minutes, sequentially dropwise adding a coupling agent, a defoaming agent, a curing agent and the solvent, and carrying out stirring treatment. The invention not only simplifies the steps and saves the cost, but also has good effect of the prepared filling material.
Description
Technical Field
The invention belongs to the field of cement materials, and particularly relates to preparation and application of a filling material for a cement foundation expansion joint.
Background
The expansion joint, which is a building expansion joint, is a structural joint provided at an appropriate position along a building or a construction joint direction of the building in order to prevent a structure from being cracked or damaged due to a change in temperature (thermal expansion or contraction) of the building. The expansion joint divides building components above a foundation such as a wall, a floor and a roof (except a wooden roof) into two independent parts, so that the building or the structure can horizontally expand and contract along the length direction.
In the prior art, the expansion joint is mostly made of multi-component raw materials, and the preparation method is complicated.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide the preparation and application of the filling material for the cement foundation expansion joint.
In order to achieve the above purpose, the invention provides the following technical scheme:
the filling material for the cement foundation expansion joint is a single-component material and comprises the following components in percentage by mass:
preferably, the polyether polyols have molecular weights of 4000 and 5000.
Preferably, the solvent is dimethyl carbonate.
Preferably, the polyether polyols are polyether polyol N4000 and polyether polyol N330N; the mass percent of the polyether polyol N4000 is 24.5-32.5%; the mass percent of the polyether polyol N330N is 3.5-6.5%.
A preparation method of a filling material for a cement foundation expansion joint comprises the following steps: firstly, weighing raw materials; secondly, adding polyether polyol, a coloring agent, argil and a dispersing agent into a container with a thermometer and a stirrer, dehydrating and degassing at the temperature of 100 and 120 ℃ under reduced pressure, and grinding after cooling until the fineness is less than 800 meshes; and thirdly, slowly adding isocyanate and a solvent with the mass percentage of 2.0-8.0%, carrying out free reaction under the condition of normal pressure closed stirring, slowly heating to 80-90 ℃, carrying out heat preservation reaction for 120 minutes, then dropwise adding a chain extender and the solvent with the mass percentage of 0.4-0.8% below 85 ℃, carrying out heat preservation stirring reaction for 120 minutes at 80-85 ℃, then cooling to 60 ℃, adding 18 parts by mass of an anti-settling agent, stirring for 15 minutes, then sequentially dropwise adding a coupling agent, a defoaming agent, a curing agent and the solvent with the mass percentage of 4.38.0-8.65%, and carrying out stirring treatment.
The filling material for the cement foundation expansion joint is applied to the field of buildings.
Compared with the prior art, the invention has the following beneficial effects:
the filling material is a single-component material, so that the steps are simplified, the cost is saved, and the prepared filling material has a good effect.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the embodiment of the invention: polyether polyol 4000 has a molecular weight of 4000, and the scheme adopts Shandong Dawan polyether polyol; polyether polyol N330N is polyether polyol with the molecular weight of 5000, and the polyether polyol is prepared by adopting Shandong Dazhong; the isocyanate is modified diphenylmethane diisocyanate and is liquid at normal temperature, and the scheme adopts MDI-50 of Wanhua Shandong; the colorant is iron oxide red, iron oxide green or sapphire blue, and the scheme adopts Shanghai first-grade pigment; the pottery clay is 800 meshes, and the scheme adopts Hebei permanent rock powder products; the dispersant is C520, and the dispersant is a Guangdong Zhongshui auxiliary agent adopted in the scheme; the solvent is dimethyl carbonate DMC, and the scheme adopts a Shandong Dongyuan blueprint; the anti-settling agent is W2008, and is prepared by mixing 93 parts by mass of dimethyl carbonate and 7 parts by mass of A200; a200 is Xuzhou Huahai auxiliary agent factory; the chain extender is 1-4 butanediol, and the scheme adopts Wuhansendtaike; the coupling agent is HK560, and the scheme is adopted by Shanghai Hongshun biological technology; the curing agent is dilauryl di (n-butyltin), and the curing agent is Guangdong Zhongshun auxiliary agent.
Example 1
A preparation method of a filling material for a cement foundation expansion joint comprises the following steps: adding 262.8 parts by weight of polyether polyol 4000 (with a molecular weight of 4000), 63 parts by weight of polyether polyol 330N (with a molecular weight of 5000), 10 parts by weight of colorant, 496 parts by weight of argil and 1.6 parts by weight of dispersant into a container with a thermometer and a stirrer, dehydrating and degassing for 120 minutes at a temperature of 100- Stirring the solvent for 15 minutes, and metering and packaging for later use; the package is sealed;
taking a proper amount of the material, slowly pouring the material into the treated expansion joint, after 24 hours and completely curing, using the material to make the expansion joint uneven, and after complete curing, carrying out the next procedure.
Example 2
A preparation method of a filling material for a cement foundation expansion joint comprises the following steps:
adding 289.8 parts by weight of polyether polyol 4000 (with a molecular weight of 4000), 47 parts by weight of polyether polyol 330N (with a molecular weight of 5000), 10 parts by weight of colorant, 385 parts by weight of argil and 1.6 parts by weight of dispersant into a container with a thermometer and a stirrer, dehydrating and degassing for 120 minutes at a temperature of 100-, stirring for 15 minutes, then sequentially dropwise adding 1.3 parts by mass of a coupling agent KH560, 1.3 parts by mass of a defoaming agent H034, 0.4 part by mass of a curing agent T18 and 80.6 parts by mass of a solvent dimethyl carbonate, stirring for 15 minutes, and metering and packaging for later use; the package is sealed;
taking a proper amount of the material, slowly pouring the material into the treated expansion joint, after 24 hours and completely curing, using the material to make the expansion joint uneven, and after complete curing, carrying out the next procedure.
Example 3
A preparation method of a filling material for a cement foundation expansion joint comprises the following steps: 320.5 parts by weight of polyether polyol 4000 (with a molecular weight of 4000), 38.7 parts by weight of polyether polyol 330N (with a molecular weight of 5000), 10 parts by weight of colorant, 438 parts by weight of argil and 1.9 parts by weight of dispersant are added into a container with a thermometer and a stirrer, dehydrated and degassed for 120 minutes at a temperature of 100-, adding 25.1 parts by mass of an anti-settling agent W2008, stirring for 15 minutes, then sequentially dropwise adding 1.47 parts by mass of a coupling agent, 1.48 parts by mass of an antifoaming agent, 0.48 part by mass of a curing agent and 11.27 parts by mass of a solvent, stirring for 15 minutes, and metering and packaging for later use; the package is sealed;
taking a proper amount of the material, slowly pouring the material into the treated expansion joint, after 24 hours and completely curing, using the material to make the expansion joint uneven, and after complete curing, carrying out the next procedure.
Example 4
The filling material for the cement foundation expansion joint is a single-component material and comprises the following components in percentage by mass:
preferably, the polyether polyols have molecular weights of 4000 and 5000.
Preferably, the solvent is dimethyl carbonate.
Preferably, the polyether polyols are polyether polyol N4000 and polyether polyol N330N; the mass percent of the polyether polyol N4000 is 24.5-32.5%; the mass percent of the polyether polyol N330N is 3.5-6.5%.
A preparation method of a filling material for a cement foundation expansion joint comprises the following steps: firstly, weighing raw materials; secondly, adding polyether polyol, a coloring agent, argil and a dispersing agent into a container with a thermometer and a stirrer, dehydrating and degassing at the temperature of 100 and 120 ℃ under reduced pressure, and grinding after cooling until the fineness is less than 800 meshes; and thirdly, slowly adding isocyanate and a solvent with the mass percentage of 2.0-8.0%, carrying out free reaction under the condition of normal pressure closed stirring, slowly heating to 80-90 ℃, carrying out heat preservation reaction for 120 minutes, then dropwise adding a chain extender and the solvent with the mass percentage of 0.4-0.8% below 85 ℃, carrying out heat preservation stirring reaction for 120 minutes at 80-85 ℃, then cooling to 60 ℃, adding 18 parts by mass of an anti-settling agent, stirring for 15 minutes, then sequentially dropwise adding a coupling agent, a defoaming agent, a curing agent and the solvent with the mass percentage of 4.38.0-8.65%, and carrying out stirring treatment.
Example 5
The filling material for the cement foundation expansion joint is a single-component material and comprises the following components in percentage by mass:
preferably, the polyether polyols have molecular weights of 4000 and 5000.
Preferably, the solvent is dimethyl carbonate.
Preferably, the polyether polyols are polyether polyol N4000 and polyether polyol N330N; the mass percent of the polyether polyol N4000 is 24.5-32.5%; the mass percent of the polyether polyol N330N is 3.5-6.5%.
A preparation method of a filling material for a cement foundation expansion joint comprises the following steps: firstly, weighing raw materials; secondly, adding polyether polyol, a coloring agent, argil and a dispersing agent into a container with a thermometer and a stirrer, dehydrating and degassing at the temperature of 100 and 120 ℃ under reduced pressure, and grinding after cooling until the fineness is less than 800 meshes; and thirdly, slowly adding isocyanate and a solvent with the mass percentage of 2.0-8.0%, carrying out free reaction under the condition of normal pressure closed stirring, slowly heating to 80-90 ℃, carrying out heat preservation reaction for 120 minutes, then dropwise adding a chain extender and the solvent with the mass percentage of 0.4-0.8% below 85 ℃, carrying out heat preservation stirring reaction for 120 minutes at 80-85 ℃, then cooling to 60 ℃, adding 18 parts by mass of an anti-settling agent, stirring for 15 minutes, then sequentially dropwise adding a coupling agent, a defoaming agent, a curing agent and the solvent with the mass percentage of 4.38.0-8.65%, and carrying out stirring treatment.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (6)
1. The filling material for the cement foundation expansion joint is characterized by comprising the following components in percentage by mass:
2. a cement-based expansion joint filling material as claimed in claim 1, wherein said polyether polyol has a molecular weight of 4000 and 5000.
3. The filling material for cement foundation expansion joints as claimed in claim 1, wherein said solvent is dimethyl carbonate.
4. The filling material for cement-based expansion joints as claimed in claim 1 or 2, wherein the polyether polyol is of the type polyether polyol N4000 and polyether polyol N330N; the mass percent of the polyether polyol N4000 is 24.5-32.5%; the mass percent of the polyether polyol N330N is 3.5-6.5%.
5. The method for preparing the filling material for the cement foundation expansion joint as claimed in the claims 1-3, characterized by comprising the following steps: firstly, weighing raw materials; secondly, adding polyether polyol, a coloring agent, argil and a dispersing agent into a container with a thermometer and a stirrer, dehydrating and degassing at the temperature of 100 and 120 ℃ under reduced pressure, and grinding after cooling until the fineness is less than 800 meshes; and thirdly, slowly adding isocyanate and a solvent with the mass percentage of 2.0-8.0%, carrying out free reaction under the condition of normal pressure closed stirring, slowly heating to 80-90 ℃, carrying out heat preservation reaction for 120 minutes, then dropwise adding a chain extender and the solvent with the mass percentage of 0.4-0.8% below 85 ℃, carrying out heat preservation stirring reaction for 120 minutes at 80-85 ℃, then cooling to 60 ℃, adding 18 parts by mass of an anti-settling agent, stirring for 15 minutes, then sequentially dropwise adding a coupling agent, a defoaming agent, a curing agent and the solvent with the mass percentage of 4.38.0-8.65%, and carrying out stirring treatment.
6. The filling material for cement foundation expansion joints as claimed in claims 1-3, which is applied in the construction field.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010286375.4A CN111620597A (en) | 2020-04-13 | 2020-04-13 | Filling material for cement foundation expansion joint and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010286375.4A CN111620597A (en) | 2020-04-13 | 2020-04-13 | Filling material for cement foundation expansion joint and preparation method and application thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111620597A true CN111620597A (en) | 2020-09-04 |
Family
ID=72269024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010286375.4A Pending CN111620597A (en) | 2020-04-13 | 2020-04-13 | Filling material for cement foundation expansion joint and preparation method and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111620597A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109207111A (en) * | 2018-07-20 | 2019-01-15 | 安徽匠星联创新材料科技有限公司 | A kind of one-component polyurethane sealant and preparation method thereof |
-
2020
- 2020-04-13 CN CN202010286375.4A patent/CN111620597A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109207111A (en) * | 2018-07-20 | 2019-01-15 | 安徽匠星联创新材料科技有限公司 | A kind of one-component polyurethane sealant and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 中国建筑材料检验认证中心、国家建筑材料测试中心组编: "《防水材料检测技术》", 30 October 2008, 中国计量出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106830802B (en) | concrete and preparation method thereof | |
| CN102167544B (en) | Polyurethane resin mortar for cement base material repairing | |
| WO2018045622A1 (en) | Micro powder-reinforced, polyurethane-based, high-strength, waterproof, thermal-insulation decorative integrated material and preparation method therefor | |
| CN103265242B (en) | Mineral polymer grouting material and method for strengthening grotto surrounding rock fractures by using same | |
| CN103555011A (en) | Geopolymer dry-powder paint as well as preparation and use method thereof | |
| CN111170726B (en) | Method for preparing uniform YAG transparent ceramic biscuit based on AM gel casting | |
| CN104692694B (en) | A kind of modified oxidized calcium class cement concrete swelling agent and preparation method thereof | |
| CN104724953B (en) | A kind of method that natural hydraulic lime prepared by utilization limestone and silica flour | |
| CN104130547A (en) | Insulation packaging material of high capacity film capacitor | |
| CN107098672A (en) | Building material and preparation method thereof | |
| CN110305614A (en) | A kind of rock wool board bi-component solvent-free polyurethane adhesive and preparation method thereof | |
| CN112521719B (en) | Water-based epoxy resin cement-based slurry, and preparation method and application thereof | |
| CN109354937B (en) | Flexible curing agent for fluorocarbon coating and preparation method thereof | |
| CN109439176B (en) | High-strength single-component polyurethane waterproof coating and preparation process thereof | |
| CN114349401B (en) | High-performance concrete and preparation method thereof | |
| CN111620597A (en) | Filling material for cement foundation expansion joint and preparation method and application thereof | |
| CN106280789A (en) | A kind of double-component silicon third anticracking waterproof coating and preparation method thereof | |
| CN105198331A (en) | Lime-free Yellow River sand autoclaved aerated concrete and preparation method thereof | |
| CN110295005B (en) | High-strength polyurethane waterproof coating and preparation method thereof | |
| CN111908821A (en) | FS101 mortar waterproof agent | |
| CN111320451A (en) | Concrete defect repairing material and preparation process thereof | |
| CN113563009B (en) | Pouring type normal-temperature cementing material and normal-temperature pouring type asphalt concrete | |
| CN109679501A (en) | A kind of silane-modified water-repellent paint and preparation method thereof | |
| CN109053095A (en) | A kind of enhanced frost-resistant concrete of modified graphene | |
| CN105541231B (en) | Controllable temperature concrete |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200904 |