CN114292074A - Light-weight heat-insulating, impervious and pressure-bearing door and window frame joint filling adhesive as well as preparation method, use method and application thereof - Google Patents
Light-weight heat-insulating, impervious and pressure-bearing door and window frame joint filling adhesive as well as preparation method, use method and application thereof Download PDFInfo
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Abstract
The invention discloses a light-weight heat-insulating, anti-permeability and pressure-bearing door and window frame joint sealant, a preparation method, a using method and application thereof, wherein the door and window frame joint sealant comprises high polymer rubber powder, polyphenyl granules, cement, quartz powder, heavy calcium carbonate, kaolin, a powder defoamer, composite fibers, a water-retaining thickener, starch ether and a water reducer; wherein the composite fiber is polypropylene fiber, steel nanofiber and carbon fiber; the water-retaining thickener is puffed rice husk, can solve the problems of water seepage, cracking, poor adhesion, poor bearing and the like after the seam filling of the door and window frames, has high construction performance, does not remain hanging, and has the effects of high impermeability, high bearing and high heat insulation at the same time of giving consideration to high-strength and light-weight performance. The preparation method of the door and window frame joint filling adhesive is characterized in that all the components are mixed and stirred at a high speed to form a powdery finished product, and finally the powdery finished product is bagged and stored.
Description
Technical Field
The invention relates to the technical field of adhesives, in particular to a light heat-insulating, impervious and pressure-bearing door and window frame joint filling adhesive as well as a preparation method, a use method and application thereof.
Background
The problem of seam filling of the door and window frames is always a difficult problem at home and abroad. It is now common to joint the jambs with self-prepared cement mortar. The self-prepared cement mortar generates a large amount of dust pollution and construction waste in the stirring process, and seriously harms the health of constructors and urban environment. In addition, the self-prepared cement mortar is used for filling joints, and phenomena of mortar sagging, water seepage, cracking and the like often occur to seriously affect the decoration quality. In order to solve the problems of water seepage and cracking, a plurality of constructors perform waterproof treatment before construction, special treatment is needed after joint filling, the process is complicated, the effect is general, and the intention of searching for new material substitution is strong.
Disclosure of Invention
In order to overcome the defects of the prior art, one of the purposes of the invention is to provide a light-weight heat-insulating, impervious and pressure-bearing door and window frame joint sealant, which can solve the problems of water seepage, cracking, poor bonding, poor bearing and the like after the joint sealing of the door and window frames, and has the advantages of high strength, light weight and strong construction performance, no hanging, high impermeability, high bearing and high heat insulation; the invention also aims to provide a preparation method of the light-weight heat-insulating, anti-permeability and pressure-bearing door and window frame joint sealant, which only needs to sequentially mix and stir raw materials to obtain powder for split charging and is suitable for large-scale preparation; the invention also aims to provide a use method of the light-weight heat-insulating, impervious and pressure-bearing door and window frame joint filling adhesive, which can be used after a finished product is stirred with water, so that construction waste is reduced; the fourth purpose of the invention is to provide the application of the light heat-insulating, impervious and pressure-bearing door and window frame joint filling glue, which is specially used for joint filling and bonding of door and window frames.
One of the purposes of the invention is realized by adopting the following technical scheme:
a light heat-insulating, impervious and pressure-bearing door and window frame joint sealant comprises the following raw materials in parts by mass: 20-50 parts of cement, 25-40 parts of quartz powder, 10-15 parts of heavy calcium carbonate, 1-5 parts of kaolin, 1-5 parts of high polymer rubber powder, 0.5-1.5 parts of polyphenyl granules, 0.1-0.5 part of powder defoaming agent, 4-10 parts of composite fiber, 0.1-0.5 part of water-retaining thickener, 0.05-0.1 part of starch ether and 0.3-0.5 part of water reducer; wherein the composite fiber is polypropylene fiber, steel nanofiber and carbon fiber; the water-retaining thickener is puffed rice hull.
Further, the cement is portland cement and/or aluminate cement; preferably a mixture of the two, the cement preferably has a mass ratio of 1: (1-2) aluminate cement and silicate cement. The silicate cement and the aluminate cement can generate required strength in a short time, provide enough supporting force, and restrain the introduced gas in the slurry to form bubbles, thereby being beneficial to forming a uniform pore structure in the slurry.
And further, the water reducing agent is one or a composition of more than two of a polycarboxylic acid water reducing agent, a melamine water reducing agent, a naphthalene sulfonate water reducing agent, a sulfamate water reducing agent and a melamine water reducing agent. Polycarboxylic acid water reducing agents are preferred.
Further, the puffed rice hulls are obtained by performing steam explosion and extrusion treatment on the rice hulls.
Further, the preparation method of the puffed rice hull comprises the following steps:
1) grinding the collected rice hulls into powder, soaking the rice hull powder in water, performing steam explosion, and drying; sealing and infiltrating, then placing the obtained mixture into a steam explosion cylinder for steam explosion, and drying the obtained explosion object by adopting a step-by-step drying method to obtain steam explosion rice hull powder;
2) adding a swelling aid and water into the dried powder, stirring, filtering and drying to obtain a mixture; wherein the swelling aid is sodium bicarbonate and/or ammonium bicarbonate.
3) And 2) extruding and granulating the mixture obtained in the step 2), and drying to obtain the puffed rice hulls.
Further, the composite fiber is prepared from the following components in percentage by mass (2-3): (2-3): 1 polypropylene fibers, steel nanofibers and carbon fibers.
The second purpose of the invention is realized by adopting the following technical scheme:
the preparation method of the light heat-insulating, impervious and pressure-bearing door and window frame joint sealant comprises the following steps:
1) firstly, mixing cement, quartz powder, coarse whiting, kaolin, high polymer rubber powder, polyphenyl granules and a powder defoaming agent, and uniformly stirring;
2) and adding the composite fiber, the water-retaining thickener, the starch ether and the water reducer, and uniformly stirring to obtain powder, namely the light heat-insulating, impervious and pressure-bearing door and window frame joint sealant.
The third purpose of the invention is realized by adopting the following technical scheme:
the use method of the light heat-insulating, impervious and pressure-bearing door and window frame joint filling adhesive comprises the following steps of weighing: (0.25-0.4) extruding the door and window frame joint sealant and water into the door and window frame needing joint.
The fourth purpose of the invention is realized by adopting the following technical scheme:
the application of the light heat-insulating, impervious and pressure-bearing door and window frame joint sealant is used for door and window joint filling.
Compared with the prior art, the invention has the beneficial effects that:
(1) the cement and the high polymer rubber powder of the door and window frame joint filling adhesive have the effect of gelling, the quartz powder, the heavy calcium carbonate and the kaolin are used as aggregates for enhancing the integral strength, the polyphenyl particles can improve the elasticity, and the heat conductivity coefficient of the door and window frame joint filling adhesive can be effectively reduced; the composite fiber comprises polypropylene fiber, steel nanofiber and carbon fiber, the polypropylene fiber can prevent the finished product from generating plastic cracking, but the influence on the strength of the finished product is small, so the steel nanofiber and the carbon fiber are used for improving the strength and toughness of the material, and the carbon fiber also has the effect of corrosion resistance. The puffed rice hulls have the advantages of porosity, low density, degradation resistance, larger specific surface area, rich active groups and the like, are non-toxic, harmless and wide in source, have good toughness, dispersibility and chemical stability, are high in water absorption capacity, have excellent thickening and anti-cracking performance and have moisture absorption and desorption performances based on the porous structure, and the problems of mortar sagging, water seepage and cracking can be solved.
(2) The expanded rice hulls of the door and window frame joint sealant are obtained by performing steam explosion and extrusion treatment on the rice hulls, quickly permeate into rice hull cells through high-temperature saturated steam, are released in an explosion mode within a very short time, and instantly convert heat energy into mechanical energy, so that the connection strength of rice hull fibers is reduced, the internal structure is damaged, the pore structure in the rice hull fibers is improved, active groups on the surface are increased, and adsorption sites are increased to improve adsorption. The water in the rice hulls subjected to steam explosion exceeds the saturated vapor pressure, boiling evaporation is avoided, the rice hulls are in a molten state, the cellulose and other macromolecular substances in the rice hulls change to a certain extent, when the rice hulls are extruded out through a die, the water contained in the rice hulls is instantaneously evaporated due to the rapid change of the temperature and the pressure after extrusion, the volume of the rice hulls expands rapidly, the space structure of the rice hulls expands and deforms, the surface structure of the fibers is changed from smooth to rough, the specific surface area and the pore volume of the rice hulls can be increased after modification, the average pore diameter is reduced, and loose and porous expanded rice hulls are obtained, so that the toughness, the dispersibility and the water absorption of the modified rice hulls are improved.
(3) The preparation method of the door and window frame joint filling adhesive provided by the invention is characterized in that all the components are mixed and stirred at a high speed to obtain a powdery finished product, and finally the powdery finished product is bagged and stored.
(4) The application method of the door and window frame joint filling glue comprises the following steps: the door and window frame joint filling glue is taken out of the bag, water is added for stirring to form slurry glue, and preferably an extrusion gun is used for extracting and extruding the slurry glue to the surface of the door and window frame needing joint filling, so that the operation is simple and convenient, and the construction waste is reduced.
Detailed Description
The present invention is further described below with reference to specific embodiments, and it should be noted that, without conflict, any combination between the embodiments or technical features described below may form a new embodiment.
Example 1
A light heat-insulating, impervious and pressure-bearing door and window frame joint sealant comprises the following raw materials in parts by mass: 20 parts of cement, 25 parts of quartz powder, 10 parts of triple superphosphate, 1 part of kaolin, 1 part of high polymer rubber powder, 0.5 part of polyphenyl granules, 0.1 part of powder defoaming agent, 4 parts of composite fibers, 0.1 part of water-retaining thickener, 0.05 part of starch ether and 0.3 part of melamine water reducer; wherein the composite fiber is polypropylene fiber, steel nanofiber and carbon fiber; the water-retaining thickener is puffed rice hull. Wherein the cement is prepared from the following components in percentage by mass: 1 aluminate cement and portland cement. The composite fiber is prepared from the following components in percentage by mass: 2: 1 polypropylene fibers, steel nanofibers and carbon fibers.
The preparation method of the puffed rice hulls comprises the following steps:
1) grinding the collected rice hulls into powder, soaking the rice hull powder in water, performing steam explosion, and drying; sealing and infiltrating, then placing the obtained mixture into a steam explosion cylinder for steam explosion, and drying the obtained explosion object by adopting a step-by-step drying method to obtain steam explosion rice hull powder;
2) adding a swelling aid and water into the dried powder, stirring, filtering and drying to obtain a mixture; wherein the swelling aid is prepared from the following components in a mass ratio of 2: 1 sodium bicarbonate and ammonium bicarbonate. The mass ratio of sodium cyanate carbonate to water is 1: 1, the mass ratio of the swelling assistant to the powder is 0.03: 1.
3) and 2) extruding and granulating the mixture obtained in the step 2), and drying to obtain the puffed rice hulls.
The preparation method of the light heat-insulating, impervious and pressure-bearing door and window frame joint sealant comprises the following steps:
1) firstly, mixing cement, quartz powder, coarse whiting, kaolin, high polymer rubber powder, polyphenyl granules and a powder defoaming agent, and uniformly stirring;
2) and adding the composite fiber, the water-retaining thickener, the starch ether and the water reducer, and uniformly stirring to obtain powder, namely the light heat-insulating, impervious and pressure-bearing door and window frame joint sealant.
Example 2
A light heat-insulating, impervious and pressure-bearing door and window frame joint sealant comprises the following raw materials in parts by mass: 50 parts of cement, 40 parts of quartz powder, 15 parts of triple superphosphate, 5 parts of kaolin, 5 parts of high polymer rubber powder, 1.5 parts of polyphenyl granules, 0.5 part of powder defoaming agent, 10 parts of composite fiber, 0.5 part of water-retaining thickener, 0.1 part of starch ether and 0.5 part of polycarboxylic acid water reducer; wherein the composite fiber is polypropylene fiber, steel nanofiber and carbon fiber; the water-retaining thickener is puffed rice hull. Wherein the cement is prepared from the following components in percentage by mass: 2 aluminate cement and silicate cement. The composite fiber is prepared from the following components in percentage by mass: 3: 1 polypropylene fibers, steel nanofibers and carbon fibers.
Wherein, the preparation method of the puffed rice hull and the preparation method of the door and window frame joint sealant are the same as the embodiment 1.
Example 3
A light heat-insulating, impervious and pressure-bearing door and window frame joint sealant comprises the following raw materials in parts by mass: 45 parts of cement, 30 parts of quartz powder, 13 parts of heavy calcium, 3 parts of kaolin, 3 parts of high polymer rubber powder, 1 part of polyphenyl granules, 0.4 part of powder defoaming agent, 6 parts of composite fiber, 0.3 part of water-retaining thickener, 0.06 part of starch ether and 0.4 part of polycarboxylic acid water reducer; wherein the composite fiber is polypropylene fiber, steel nanofiber and carbon fiber; the water-retaining thickener is puffed rice hull. Wherein the cement is prepared from the following components in percentage by mass: 1.5 of aluminate cement and portland cement. The composite fiber is prepared from the following components in percentage by mass: 3: 1 polypropylene fibers, steel nanofibers and carbon fibers.
Wherein, the preparation method of the puffed rice hull and the preparation method of the door and window frame joint sealant are the same as the embodiment 1.
Example 4
A light heat-insulating, impervious and pressure-bearing door and window frame joint sealant comprises the following raw materials in parts by mass: 42 parts of cement, 35 parts of quartz powder, 14 parts of heavy calcium, 4 parts of kaolin, 4 parts of high polymer rubber powder, 0.8 part of polyphenyl granules, 0.4 part of powder defoaming agent, 5 parts of composite fiber, 0.2 part of water-retaining thickener, 0.06 part of starch ether and 0.35 part of melamine water reducer; wherein the composite fiber is polypropylene fiber, steel nanofiber and carbon fiber; the water-retaining thickener is puffed rice hull. Wherein the cement is prepared from the following components in percentage by mass: 2 aluminate cement and silicate cement. The composite fiber is prepared from the following components in percentage by mass: 2: 1 polypropylene fibers, steel nanofibers and carbon fibers.
Wherein, the preparation method of the puffed rice hull and the preparation method of the door and window frame joint sealant are the same as the embodiment 1.
Example 5
A light heat-insulating, impervious and pressure-bearing door and window frame joint sealant comprises the following raw materials in parts by mass: 38 parts of cement, 31 parts of quartz powder, 11 parts of heavy calcium, 2 parts of kaolin, 2 parts of high polymer rubber powder, 1.2 parts of polyphenyl granules, 0.2 part of powder defoaming agent, 7 parts of composite fiber, 0.2 part of water-retaining thickener, 0.06 part of starch ether and 0.42 part of sulfamate water reducer; wherein the composite fiber is polypropylene fiber, steel nanofiber and carbon fiber; the water-retaining thickener is puffed rice hull. Wherein the cement is prepared from the following components in percentage by mass: (1-2) aluminate cement and silicate cement. The composite fiber is prepared from the following components in a mass ratio of 2.5: 3: 1 polypropylene fibers, steel nanofibers and carbon fibers.
Wherein, the preparation method of the puffed rice hull and the preparation method of the door and window frame joint sealant are the same as the embodiment 1.
Comparative example 1
Comparative example 1 differs from example 3 in that: comparative example 1 no expanded rice hulls were added. The remaining components and preparation were the same as in example 3.
Comparative example 2
Comparative example 2 differs from example 3 in that: comparative example 2 hydroxypropyl cellulose ether was used instead of puffed rice hulls. The remaining components and preparation were the same as in example 3.
Comparative example 3
Comparative example 3 differs from example 3 in that: the composite fiber of comparative example 3 was only a steel nanofiber and a carbon fiber. The remaining components and preparation were the same as in example 3.
Comparative example 4
Comparative example 4 differs from example 3 in that: comparative example 4 the composite fiber was replaced with polypropylene fiber, and the remaining components and preparation method were the same as in example 3.
Performance testing
Adding the door and window frame joint filling rubber powder materials of the embodiments 1-5 and the comparative examples 1-4 into mortar for mixing, wherein the mass ratio of the door and window frame joint filling rubber to water is 1: (0.25-0.4). Preferably 1: 0.3.
1. the mortar of examples 1-5 and comparative examples 1-4 was tested for impermeability grade, tensile shear strength and tensile strength according to the national standard GB/T25181-2019 Ready-mixed mortar.
2. The cracking indexes of the mortars of examples 1-5 and comparative examples 1-4 are detected according to JC/T951-2005 'test method for cracking resistance of cement mortar'.
3. The thermal conductivity coefficients of the mortars of examples 1-5 and comparative examples 1-4 are detected according to GB20473-2006T building thermal insulation mortar, so that the thermal insulation performance is determined. Specific data are shown in table 1.
As can be seen from Table 1, the mortar of the embodiments 1-5 has good anti-permeability, high strength and heat preservation effect, wherein the embodiment 3 is the best embodiment. Comparative example 1 compared to example 3, no expanded rice hulls were added, the barrier and insulation effects were greatly reduced, and the strength of the material was also reduced. Comparative example 2 the common water-retaining thickener hydroxypropyl cellulose ether was used to replace the expanded rice husk, and the mortar also has the function of heat preservation and permeability resistance, but the effect is not as good as that of the expanded rice husk. The composite fiber of comparative example 3 had little effect on strength without adding polypropylene fiber, but the crack resistance effect was reduced. The composite fiber of comparative example 4, in which the steel nanofibers and carbon fibers were not added, had a reduced strength, but the difference in permeation resistance and heat-insulating effect was small.
In conclusion, the light-weight heat-insulating, anti-permeability and pressure-bearing door and window frame joint filling adhesive has the advantages of high construction performance, no hanging, high permeability resistance, high bearing capacity and high heat insulation while simultaneously considering the high-strength and light-weight performance, can be applied to door and window joint filling, and solves the problems of cracking, water seepage and the like of door and window frames.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (10)
1. The light heat-insulating, impervious and pressure-bearing door and window frame joint sealant is characterized by comprising the following raw materials in parts by mass: 20-50 parts of cement, 25-40 parts of quartz powder, 10-15 parts of heavy calcium carbonate, 1-5 parts of kaolin, 1-5 parts of high polymer rubber powder, 0.5-1.5 parts of polyphenyl granules, 0.1-0.5 part of powder defoaming agent, 4-10 parts of composite fiber, 0.1-0.5 part of water-retaining thickener, 0.05-0.1 part of starch ether and 0.3-0.5 part of water reducer; wherein the composite fiber is polypropylene fiber, steel nanofiber and carbon fiber; the water-retaining thickener is puffed rice hull.
2. A light-weight heat-insulating impervious pressure-bearing door and window frame joint sealant as claimed in claim 1, wherein the cement is portland cement and/or aluminate cement.
3. The light-weight, heat-insulating, impervious and pressure-bearing door and window frame joint compound as claimed in claim 1, wherein said water reducing agent is one or a combination of more than two of polycarboxylic acid water reducing agent, melamine water reducing agent, naphthalene sulfonate water reducing agent, sulfamate water reducing agent and melamine water reducing agent.
4. A light-weight heat-insulating impervious pressure-bearing door and window frame joint sealant as claimed in claim 1, wherein the expanded rice hulls are obtained by subjecting rice hulls to steam explosion and extrusion.
5. A light heat-insulating impervious pressure-bearing door and window frame joint sealant as claimed in claim 1 or 4, wherein the preparation method of the expanded rice hulls comprises the following steps:
1) grinding the collected rice hulls into powder, soaking the rice hull powder in water, performing steam explosion, and drying; sealing and infiltrating, then placing the obtained mixture into a steam explosion cylinder for steam explosion, and drying the obtained explosion object by adopting a step-by-step drying method to obtain steam explosion rice hull powder;
2) adding a swelling aid and water into the dried powder, stirring, filtering and drying to obtain a mixture;
3) and 2) extruding and granulating the mixture obtained in the step 2), and drying to obtain the puffed rice hulls.
6. A light-weight heat-insulating impervious pressure-bearing door and window frame joint sealant as claimed in claim 5, wherein the expansion aid is sodium bicarbonate and/or ammonium bicarbonate.
7. The light heat-insulating impervious pressure-bearing door and window frame joint sealant as claimed in claim 1, wherein the composite fiber is prepared from the following components in percentage by mass (2-3): (2-3): 1 polypropylene fibers, steel nanofibers and carbon fibers.
8. The preparation method of the light-weight heat-insulating, impervious and pressure-bearing door and window frame joint sealant as claimed in any one of claims 1 to 7 is characterized by comprising the following steps:
1) firstly, mixing cement, quartz powder, coarse whiting, kaolin, high polymer rubber powder, polyphenyl granules and a powder defoaming agent, and uniformly stirring;
2) and adding the composite fiber, the water-retaining thickener, the starch ether and the water reducer, and uniformly stirring to obtain powder, namely the light heat-insulating, impervious and pressure-bearing door and window frame joint sealant.
9. The use method of the light heat-insulating, impervious and pressure-bearing door and window frame joint sealant as claimed in any one of claims 1 to 7 is characterized in that the weight ratio of 1: (0.25-0.4) uniformly stirring and extruding the door and window frame joint filling glue and water into the door and window frame needing joint filling.
10. The application of the light-weight heat-insulating, impervious and pressure-bearing door and window frame joint sealant as claimed in any one of claims 1 to 7, wherein the door and window frame joint sealant is used for door and window joint sealing.
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| CN202111454206.8A CN114292074A (en) | 2021-12-01 | 2021-12-01 | Light-weight heat-insulating, impervious and pressure-bearing door and window frame joint filling adhesive as well as preparation method, use method and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111454206.8A CN114292074A (en) | 2021-12-01 | 2021-12-01 | Light-weight heat-insulating, impervious and pressure-bearing door and window frame joint filling adhesive as well as preparation method, use method and application thereof |
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| CN114292074A true CN114292074A (en) | 2022-04-08 |
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| CN101090815A (en) * | 2004-12-30 | 2007-12-19 | 美国石膏公司 | Lightweight, fiber-reinforced cementitious panels |
| CN103145380A (en) * | 2013-02-27 | 2013-06-12 | 同济大学 | Cement-based shrinkage-free joint filling sealing mortar for doors and windows and preparation method and construction method thereof |
| CN111747690A (en) * | 2020-06-02 | 2020-10-09 | 江门市禹成新型建材有限公司 | Door and window frame joint filling waterproof mortar with strong hydrophobic and micro-elastic functions |
| CN113648979A (en) * | 2021-09-08 | 2021-11-16 | 吉林农业大学 | Preparation method of rice hull-based urea adsorbing material |
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2021
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101090815A (en) * | 2004-12-30 | 2007-12-19 | 美国石膏公司 | Lightweight, fiber-reinforced cementitious panels |
| CN103145380A (en) * | 2013-02-27 | 2013-06-12 | 同济大学 | Cement-based shrinkage-free joint filling sealing mortar for doors and windows and preparation method and construction method thereof |
| CN111747690A (en) * | 2020-06-02 | 2020-10-09 | 江门市禹成新型建材有限公司 | Door and window frame joint filling waterproof mortar with strong hydrophobic and micro-elastic functions |
| CN113648979A (en) * | 2021-09-08 | 2021-11-16 | 吉林农业大学 | Preparation method of rice hull-based urea adsorbing material |
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