CN118026615A - Light heat-insulating porous wall material - Google Patents
Light heat-insulating porous wall material Download PDFInfo
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- CN118026615A CN118026615A CN202410262237.0A CN202410262237A CN118026615A CN 118026615 A CN118026615 A CN 118026615A CN 202410262237 A CN202410262237 A CN 202410262237A CN 118026615 A CN118026615 A CN 118026615A
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- wall material
- porous wall
- foaming agent
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- 239000000463 material Substances 0.000 title claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 44
- 239000000843 powder Substances 0.000 claims abstract description 39
- -1 polypropylene Polymers 0.000 claims abstract description 34
- 239000002253 acid Substances 0.000 claims abstract description 22
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 22
- 239000004088 foaming agent Substances 0.000 claims abstract description 22
- 239000000835 fiber Substances 0.000 claims abstract description 18
- 239000004743 Polypropylene Substances 0.000 claims abstract description 17
- 229920001155 polypropylene Polymers 0.000 claims abstract description 17
- 229910000077 silane Inorganic materials 0.000 claims abstract description 17
- 229910052918 calcium silicate Inorganic materials 0.000 claims abstract description 16
- 239000000378 calcium silicate Substances 0.000 claims abstract description 16
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 claims abstract description 16
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims abstract description 15
- 235000013539 calcium stearate Nutrition 0.000 claims abstract description 15
- 239000008116 calcium stearate Substances 0.000 claims abstract description 15
- 239000012802 nanoclay Substances 0.000 claims abstract description 15
- XAAHAAMILDNBPS-UHFFFAOYSA-L calcium hydrogenphosphate dihydrate Chemical compound O.O.[Ca+2].OP([O-])([O-])=O XAAHAAMILDNBPS-UHFFFAOYSA-L 0.000 claims abstract description 12
- 239000011398 Portland cement Substances 0.000 claims abstract description 10
- 239000000945 filler Substances 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 8
- 239000003469 silicate cement Substances 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 239000000725 suspension Substances 0.000 claims description 6
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 claims description 6
- 241000196324 Embryophyta Species 0.000 claims description 5
- 241001122767 Theaceae Species 0.000 claims description 5
- 239000010881 fly ash Substances 0.000 claims description 5
- 239000001397 quillaja saponaria molina bark Substances 0.000 claims description 5
- 229930182490 saponin Natural products 0.000 claims description 5
- 150000007949 saponins Chemical class 0.000 claims description 5
- 239000010902 straw Substances 0.000 claims description 5
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 4
- NWXHSRDXUJENGJ-UHFFFAOYSA-N calcium;magnesium;dioxido(oxo)silane Chemical compound [Mg+2].[Ca+2].[O-][Si]([O-])=O.[O-][Si]([O-])=O NWXHSRDXUJENGJ-UHFFFAOYSA-N 0.000 claims description 4
- 229910052637 diopside Inorganic materials 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims 7
- 239000000853 adhesive Substances 0.000 claims 4
- 230000001070 adhesive effect Effects 0.000 claims 4
- JYIBXUUINYLWLR-UHFFFAOYSA-N aluminum;calcium;potassium;silicon;sodium;trihydrate Chemical compound O.O.O.[Na].[Al].[Si].[K].[Ca] JYIBXUUINYLWLR-UHFFFAOYSA-N 0.000 claims 1
- 229910001603 clinoptilolite Inorganic materials 0.000 claims 1
- 239000004566 building material Substances 0.000 abstract description 2
- 241001062954 Clinopodium Species 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000013142 basic testing Methods 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Porous Artificial Stone Or Porous Ceramic Products (AREA)
Abstract
The invention relates to the field of building materials, in particular to a light heat-insulating porous wall material which is prepared from the following components in parts by weight: 30-60 parts of Portland cement, 10-15 parts of nanoclay, 1-5 parts of brushite powder, 0.3-0.5 part of clinohyrsite powder, 1.2-2.5 parts of polypropylene fiber, 0.5-1 part of SOLITY (SD), 3-6 parts of foaming agent, 0.5-1 part of polycarboxylic acid high-efficiency water reducer, 1-5 parts of calcium silicate whisker, 2-6 parts of calcium stearate, 1.6-3.6 parts of fluoroalkyl silane, 10-20 parts of filling material and 30-50 parts of water. The light heat-insulating porous wall material has the characteristics of small volume weight, high compressive strength and high tensile bonding strength.
Description
Technical Field
The invention relates to the field of building materials, in particular to a light heat-insulating porous wall material.
Background
At present, building wall materials widely applied to buildings, such as sintered clay bricks, small concrete hollow blocks, aerated blocks and the like, commonly have the defects of large volume, easiness in shrinkage cracking, poor compression resistance and the like.
Disclosure of Invention
In order to solve the problems, the invention provides a light heat-insulating porous wall material which has the characteristics of small volume weight, high compressive strength and high tensile bonding strength.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
a light heat-insulating porous wall material is prepared from the following components in parts by weight:
30-60 parts of Portland cement, 10-15 parts of nanoclay, 1-5 parts of brushite powder, 0.3-0.5 part of clinohyrsite powder, 1.2-2.5 parts of polypropylene fiber, 0.5-1 part of SOLITY (SD), 3-6 parts of foaming agent, 0.5-1 part of polycarboxylic acid high-efficiency water reducer, 1-5 parts of calcium silicate whisker, 2-6 parts of calcium stearate, 1.6-3.6 parts of fluoroalkyl silane, 10-20 parts of filling material and 30-50 parts of water.
Preferably, the light heat-insulating porous wall material is prepared from the following components in parts by weight:
30 parts of Portland cement, 10 parts of nanoclay, 1 part of brushite powder, 0.3 part of zirconite powder, 1.2 parts of polypropylene fiber, 0.5 part of SOLITY (SD), 3 parts of foaming agent, 0.5 part of polycarboxylic acid high-efficiency water reducer, 1 part of calcium silicate whisker, 2 parts of calcium stearate, 1.6 parts of fluoroalkyl silane, 10 parts of filler and 30 parts of water.
Preferably, the light heat-insulating porous wall material is prepared from the following components in parts by weight:
60 parts of silicate cement, 15 parts of nanoclay, 5 parts of brushite powder, 0.5 part of zirconite powder, 2.5 parts of polypropylene fiber, 1 part of SOLITY (SD), 6 parts of foaming agent, 1 part of polycarboxylic acid high-efficiency water reducer, 5 parts of calcium silicate whisker, 6 parts of calcium stearate, 3.6 parts of fluoroalkyl silane, 20 parts of filler and 50 parts of water.
Preferably, the light heat-insulating porous wall material is prepared from the following components in parts by weight:
45 parts of silicate cement, 12.5 parts of nanoclay, 3 parts of diopside powder, 0.4 part of baddeleyite powder, 1.85 parts of polypropylene fiber, 0.75 part of SOLITY (SD), 4.5 parts of foaming agent, 0.75 part of polycarboxylic acid high-efficiency water reducer, 0.75 part of calcium silicate whisker, 4 parts of calcium stearate, 2.6 parts of fluoroalkyl silane, 15 parts of filler and 40 parts of water.
Further, the foaming agent is modified tea saponin, preferably modified tea saponin FP-5A foaming agent.
Further, the filling material is one or a mixture of two of plant straw powder and fly ash. Preferably, a mixture of plant straw powder and fly ash is selected, and the mixing mass ratio of the plant straw powder to the fly ash is 1:10.
Further, the polycarboxylic acid high-efficiency water reducer is CC-AI polycarboxylic acid high-efficiency water reducer.
When the light heat-insulating porous wall material is prepared, firstly, the transparent stone powder, the clinopodium powder, the polypropylene fiber and a proper amount of water are mixed at 150r/min and then granulated to obtain reinforcing particles; then, respectively dispersing SOLITY (SD), a polycarboxylic acid high-efficiency water reducer and fluoroalkyl silane into proper water to form suspension; finally, mixing silicate cement, nano clay, filling material and the rest water uniformly at 180r/min, adding reinforcing particles, calcium silicate whisker, calcium stearate and suspension in a stirring state, stirring and mixing for 30min at 200r/min, adding foaming agent, continuously stirring for 1-2 min, sending into a homogenizing bin for homogenizing, pouring into a mould, placing in an environment with the relative humidity of more than 95%, the pressure of 0.6MPa and the temperature of 20-40 ℃, curing for 7-9 d, and demoulding to obtain the finished product.
In the scheme, the reinforcing particles formed by the brushite powder, the clinopodium powder and the polypropylene fibers are combined with the calcium sulfate whisker to form a space skeleton structure, so that the expansion of microcracks in the wall material can be effectively prevented, and the flexural tensile strength of the wall is improved; and due to the introduction of SOLIRY (SD) and fluoroalkyl silane, the waterproof performance of the obtained wall material can be enhanced, the porous structure in the wall material can be further stabilized, and the compressive strength of the wall can be improved. Meanwhile, the volume weight of the wall material can be obviously reduced by combining the fluoroalkyl silane, the polycarboxylic acid high-efficiency water reducer and the modified tea saponin FP-5A foaming agent, so that the aim of light weight is fulfilled.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications could be made by those skilled in the art without departing from the inventive concept. These are all within the scope of the present invention.
Part of the material cases in the following examples:
Portland cement: 42.5 Portland cement, 49.7MPa of 28-day compressive strength and 7.8MPa of 28-day flexural strength.
Diopside powder: the particle size was 100 mesh.
Baddeleyite powder: the particle size was 100 mesh.
Polypropylene fibers: the fiber length is about 9-12 mm, the diameter is 10-40 mu m, the cross section is Y-shaped, the ignition point is 590 ℃, the density is 0.91Kg/m 3, the breaking elongation is more than 15%, the tensile strength is more than or equal to 400MPa, and the moisture absorption rate is less than 0.1%.
Foaming agent modified tea saponin FP-5A foaming agent
Polycarboxylic acid high-efficiency water reducer: CC-AI polycarboxylic acid high-efficiency water reducing agent.
Calcium silicate whiskers: the Mohs hardness is 4.5-5.5, the density is 2.75-3.10 g/cm, and the melting point is 1540 ℃.
Filler, grade I fly ash, 200 mesh plant straw powder (water content lower than 1%) =10:1.
Example 1
A light heat-insulating porous wall material is prepared from the following components in parts by weight:
30 parts of Portland cement, 10 parts of nanoclay, 1 part of brushite powder, 0.3 part of zirconite powder, 1.2 parts of polypropylene fiber, 0.5 part of SOLITY (SD), 3 parts of foaming agent, 0.5 part of polycarboxylic acid high-efficiency water reducer, 1 part of calcium silicate whisker, 2 parts of calcium stearate, 1.6 parts of fluoroalkyl silane, 10 parts of filler and 30 parts of water.
Example 2
A light heat-insulating porous wall material is prepared from the following components in parts by weight:
60 parts of silicate cement, 15 parts of nanoclay, 5 parts of brushite powder, 0.5 part of zirconite powder, 2.5 parts of polypropylene fiber, 1 part of SOLITY (SD), 6 parts of foaming agent, 1 part of polycarboxylic acid high-efficiency water reducer, 5 parts of calcium silicate whisker, 6 parts of calcium stearate, 3.6 parts of fluoroalkyl silane, 20 parts of filler and 50 parts of water.
Example 3
A light heat-insulating porous wall material is prepared from the following components in parts by weight:
45 parts of silicate cement, 12.5 parts of nanoclay, 3 parts of diopside powder, 0.4 part of baddeleyite powder, 1.85 parts of polypropylene fiber, 0.75 part of SOLITY (SD), 4.5 parts of foaming agent, 0.75 part of polycarboxylic acid high-efficiency water reducer, 0.75 part of calcium silicate whisker, 4 parts of calcium stearate, 2.6 parts of fluoroalkyl silane, 15 parts of filler and 40 parts of water.
The preparation method comprises the following steps:
1) Mixing the brushite powder, the clinopodium powder, the polypropylene fiber and a proper amount of water at 150r/min, and granulating to obtain reinforced granules;
2) Dispersing SOLITY (SD), a polycarboxylic acid high-efficiency water reducer and fluoroalkyl silane into a proper amount of water to form a suspension;
3) Mixing Portland cement, nanoclay, filler and the rest of water uniformly at 180r/min, adding reinforcing particles, calcium silicate whisker, calcium stearate and suspension in a stirring state, stirring and mixing for 30min at 200r/min, adding a foaming agent, continuously stirring for about 2min, homogenizing in a homogenizing bin, pouring in a mold, placing in an environment with the relative humidity of more than 95%, the pressure of 0.6MPa and the temperature of 35 ℃, curing for about 7d, and demolding to obtain a finished product.
And (3) volume weight test:
Randomly selecting 100 blocks of the light heat-insulating porous wall materials obtained in the examples 1,2 and 3, testing the volume weight of the light heat-insulating porous wall materials, and obtaining the following results: the volume weight of the obtained light heat-insulating porous wall material is about 215-230 Kg/m 3.
Performance test:
The wall materials were tested for compressive strength and tensile bond strength with reference to GB/T50081-2002 Standard of basic test method for construction mortar, and the test results are shown in Table 1.
Table 1 comparison of performance test results
The foregoing describes specific embodiments of the present invention. It is to be understood that the invention is not limited to the particular embodiments described above, and that various changes and modifications may be made by one skilled in the art within the scope of the claims without affecting the spirit of the invention.
Claims (8)
1. A light heat-insulating porous wall material is characterized in that: the adhesive is prepared from the following components in parts by weight:
30-60 parts of Portland cement, 10-15 parts of nanoclay, 1-5 parts of brushite powder, 0.3-0.5 part of clinohyrsite powder, 1.2-2.5 parts of polypropylene fiber, 0.5-1 part of SOLITY (SD), 3-6 parts of foaming agent, 0.5-1 part of polycarboxylic acid high-efficiency water reducer, 1-5 parts of calcium silicate whisker, 2-6 parts of calcium stearate, 1.6-3.6 parts of fluoroalkyl silane, 10-20 parts of filling material and 30-50 parts of water.
2. A lightweight thermal insulation porous wall material as claimed in claim 1, wherein: the adhesive is prepared from the following components in parts by weight:
30 parts of Portland cement, 10 parts of nanoclay, 1 part of brushite powder, 0.3 part of zirconite powder, 1.2 parts of polypropylene fiber, 0.5 part of SOLITY (SD), 3 parts of foaming agent, 0.5 part of polycarboxylic acid high-efficiency water reducer, 1 part of calcium silicate whisker, 2 parts of calcium stearate, 1.6 parts of fluoroalkyl silane, 10 parts of filler and 30 parts of water.
3. A lightweight thermal insulation porous wall material as claimed in claim 1, wherein: the adhesive is prepared from the following components in parts by weight:
60 parts of silicate cement, 15 parts of nanoclay, 5 parts of brushite powder, 0.5 part of zirconite powder, 2.5 parts of polypropylene fiber, 1 part of SOLITY (SD), 6 parts of foaming agent, 1 part of polycarboxylic acid high-efficiency water reducer, 5 parts of calcium silicate whisker, 6 parts of calcium stearate, 3.6 parts of fluoroalkyl silane, 20 parts of filler and 50 parts of water.
4. A lightweight thermal insulation porous wall material as claimed in claim 1, wherein: the adhesive is prepared from the following components in parts by weight:
45 parts of silicate cement, 12.5 parts of nanoclay, 3 parts of diopside powder, 0.4 part of baddeleyite powder, 1.85 parts of polypropylene fiber, 0.75 part of SOLITY (SD), 4.5 parts of foaming agent, 0.75 part of polycarboxylic acid high-efficiency water reducer, 0.75 part of calcium silicate whisker, 4 parts of calcium stearate, 2.6 parts of fluoroalkyl silane, 15 parts of filler and 40 parts of water.
5. A lightweight thermal insulation porous wall material according to any one of claims 1 to 4, wherein: the foaming agent is modified tea saponin FP-5A foaming agent.
6. A lightweight thermal insulation porous wall material according to any one of claims 1 to 4, wherein: the filling material is one or two of plant straw powder and fly ash.
7. A lightweight thermal insulation porous wall material according to any one of claims 1 to 4, wherein: the polycarboxylic acid high-efficiency water reducer is CC-AI polycarboxylic acid high-efficiency water reducer.
8. A lightweight thermal insulation porous wall material according to any one of claims 1 to 4, wherein: when in preparation, firstly, the brushite powder, the clinoptilolite powder and the polypropylene fiber are mixed with a proper amount of water and then granulated to obtain reinforcing particles; then, respectively dispersing SOLITY (SD), a polycarboxylic acid high-efficiency water reducer and fluoroalkyl silane into proper water to form suspension; finally, after mixing and stirring the Portland cement, the nano clay, the filling material and the rest water uniformly, adding reinforcing particles, calcium silicate whiskers, calcium stearate and suspension in a stirring state, stirring and mixing for 30min at 200r/min, adding a foaming agent, continuously stirring for 1-2 min, sending into a homogenizing bin for homogenizing, pouring into a mould, placing in an environment with the relative humidity of more than 95%, the pressure of 0.6MPa and the temperature of 20-40 ℃, curing for 7-9 d, and demoulding to obtain a finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410262237.0A CN118026615A (en) | 2024-03-07 | 2024-03-07 | Light heat-insulating porous wall material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410262237.0A CN118026615A (en) | 2024-03-07 | 2024-03-07 | Light heat-insulating porous wall material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118026615A true CN118026615A (en) | 2024-05-14 |
Family
ID=90992989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410262237.0A Pending CN118026615A (en) | 2024-03-07 | 2024-03-07 | Light heat-insulating porous wall material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118026615A (en) |
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2024
- 2024-03-07 CN CN202410262237.0A patent/CN118026615A/en active Pending
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