CN101781098B - Waterproof closed-cell expanded perlite - Google Patents
Waterproof closed-cell expanded perlite Download PDFInfo
- Publication number
- CN101781098B CN101781098B CN2010101013759A CN201010101375A CN101781098B CN 101781098 B CN101781098 B CN 101781098B CN 2010101013759 A CN2010101013759 A CN 2010101013759A CN 201010101375 A CN201010101375 A CN 201010101375A CN 101781098 B CN101781098 B CN 101781098B
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- Prior art keywords
- expanded perlite
- waterproof
- cell
- waterproof closed
- closed
- 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.)
- Expired - Fee Related
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- 235000019362 perlite Nutrition 0.000 title claims abstract description 32
- 239000010451 perlite Substances 0.000 title claims abstract description 31
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000004568 cement Substances 0.000 claims abstract description 13
- 235000019353 potassium silicate Nutrition 0.000 claims abstract description 13
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims description 16
- 239000002002 slurry Substances 0.000 claims description 16
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 13
- 229910052710 silicon Inorganic materials 0.000 claims description 13
- 239000010703 silicon Substances 0.000 claims description 13
- 235000013312 flour Nutrition 0.000 claims description 12
- 239000007921 spray Substances 0.000 claims description 8
- 230000003712 anti-aging effect Effects 0.000 claims description 4
- 238000004078 waterproofing Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 abstract description 8
- 230000006835 compression Effects 0.000 abstract description 6
- 238000007906 compression Methods 0.000 abstract description 6
- 239000012774 insulation material Substances 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 4
- 239000000843 powder Substances 0.000 abstract description 2
- 238000002360 preparation method Methods 0.000 abstract description 2
- 238000004513 sizing Methods 0.000 abstract 3
- 206010061218 Inflammation Diseases 0.000 abstract 1
- 239000003513 alkali Substances 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 230000004054 inflammatory process Effects 0.000 abstract 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 abstract 1
- 238000005507 spraying Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 10
- 238000010276 construction Methods 0.000 description 6
- 238000003556 assay Methods 0.000 description 5
- 239000011148 porous material Substances 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 231100000252 nontoxic Toxicity 0.000 description 3
- 230000003000 nontoxic effect Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000011324 bead Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000009967 tasteless effect Effects 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 229920006389 polyphenyl polymer Polymers 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000011378 shotcrete Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/10—Coating or impregnating
- C04B20/1055—Coating or impregnating with inorganic materials
- C04B20/1077—Cements, e.g. waterglass
- C04B20/1085—Waterglass
-
- 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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/60—Agents for protection against chemical, physical or biological attack
- C04B2103/63—Flame-proofing agents
-
- 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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/60—Agents for protection against chemical, physical or biological attack
- C04B2103/65—Water proofers or repellants
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention provides a waterproof closed-cell expanded perlite which is prepared by the following steps of: matching silica sol, water glass, a waterproof agent, cement powder, a curing agent and water in parts by weight, and uniformly mixing to prepare a waterproof closed-cell sizing agent; then uniformly spraying the waterproof closed-cell sizing agent to the surface of an expanded perlite, and then drying or airing the expanded perlite to obtain the waterproof closed-cell expanded perlite, wherein 215.1-262.9 kilograms of the waterproof closed-cell sizing agent is sprayed to the expanded perlite per cubic metre. The waterproof closed-cell expanded perlite has the outstanding advantages of light capacity, good heat insulation property, waterproofness, good affinity, high compression strength, extensive usage temperature, high chemical stability, innocuity, odourless, incorruption and non-inflammation, acid-alkali resistance, simple preparation process and low cost, thereby being an ideal building heat insulation material.
Description
Technical field
The present invention relates to a kind of building thermal insulation material, specifically, related to a kind of waterproof closed-cell expanded perlite.
Background technology
Normal expanded perlite has good thermal insulation, filtration and absorption property, nontoxic, tasteless, be stale-proof, do not fire, acidproof, alkaline-resisting, unit weight light, sound-absorbing, stable chemical performance, it is widely used in fields such as oil, chemical industry, electric power, metallurgy and building; Blemish in an otherwise perfect thing be, normal expanded perlite quality water-intake rate is up to 400%, the volume water absorption rate is up to 30%, and, find in the use that its avidity is not enough, quality is crisp, and is frangible, ultimate compression strength is little.
To above shortcoming, people are making great efforts to its improvement, wherein always; Through wrapping up in the pearlstone that shell is handled, its intensity, waterproof rate and rate of closed hole all are able to bigger raising, but therefore its thermal conductivity increases; Cause its heat insulation effect obviously to descend; In addition country has brought up to 65% with the energy conservation standard of wall thermal insulating by 50% now, and this makes wraps up in the needs that the shell pearlstone is difficult to satisfy market; Afterwards, occurred a kind of electricity consumption on the market again and carried out high temperature expansible glass bead perlite, it has higher waterproof, closed pore ability; And intensity is also higher, but its course of processing current consumption is too big, and production cost is too high; And, find that in use its heat insulation effect is unsatisfactory; Especially, the surface of its glazing is unfavorable for bonding, occurs hollowing, cracking, obscission easily with the body of wall after its construction.
In order to overcome the above problems, people are seeking a kind of ideal technical solution always.
Summary of the invention
The objective of the invention is deficiency, thereby the waterproof closed-cell expanded perlite that a kind of avidity is good, ultimate compression strength is big, waterproof effect is outstanding, rate of closed hole is high is provided to prior art.
To achieve these goals; The present invention provides a kind of waterproof closed-cell expanded perlite, specifically: calculate by weight, silicon sol, water glass, water-resisting agent, cement flour, solidifying agent and water are carried out proportioning; And mix; Make the waterproof closed-cell liquid slurry, wherein, the weight ratio of said silicon sol, water glass, water-resisting agent, cement flour, solidifying agent and water is 45～55: 225～275: 4.5～5.5: 72～88: 4.5～5.5: 1800～2200; Again said waterproof closed-cell liquid slurry evenly is sprayed on the pearlstone surface, again pearlstone is dried or air-dry, promptly get waterproof closed-cell expanded perlite.
Based on above-mentioned, on every cubic metre pearlstone, spray 215.1～262.9 kilograms said waterproof closed-cell liquid slurry.
Based on above-mentioned, said water-resisting agent is anti-aging waterproofing agent of organosilicon.
The relative prior art of the present invention has outstanding substantive distinguishing features and obvious improvement, and specifically, in the present invention, silicon sol contains the element silicon height, and high thermal resistance is good, and resistance of aging is strong; Water glass is a kind of mineral rubber, and bonding force is strong, and waterproof ability is good, and the closed pore effect is especially outstanding; Add anti-aging waterproofing agent of organosilicon, be beneficial to the perfect more of waterproof effect; Add an amount of cement flour, the ultimate compression strength that improves pearlstone is had good effect, simultaneously, also be beneficial to enhancing pearlstone closed pore effect; After using solidifying agent, make setting time shorten greatly, and density and intensity are increased, volumetric shrinkage is remarkable, is beneficial to the heat insulating effect of material self;
Normal expanded perlite has thoroughly solved pearlstone and has been prone to suction, is prone to the difficult problem broken, that intensity is low after waterproof, closed pore are handled, and it has very strong avidity, and pearlstone has strengthened the ultimate compression strength of self after waterproof, closed pore are handled;
This waterproof closed-cell expanded perlite has that light capacity, heat-insulating property are good, waterproof, avidity is good, ultimate compression strength is big remarkable advantage; Its use temperature is wide; Chemicalstability is strong, have nontoxic, tasteless, be stale-proof, do not fire, the characteristics of acid and alkali-resistance, and preparation technology is simple; Cheap, be a kind of ideal building thermal insulation material.
Embodiment
Through embodiment, technical scheme of the present invention is done further detailed description below.
Embodiment one
A kind of waterproof closed-cell expanded perlite, specifically: at first, calculate by weight; Silicon sol, water glass, water-resisting agent, cement flour, solidifying agent and water are carried out proportioning; And mix, make the waterproof closed-cell liquid slurry, specifically; The weight ratio of said silicon sol, water glass, water-resisting agent, cement flour, solidifying agent and water is 50: 250: 5: 80: 5: 2000; And silicon sol, water glass, water-resisting agent, cement flour, solidifying agent and the water of aforementioned ratio placed in the stirrer fully stir, stirring velocity is 300～450 rev/mins, churning time is 3～10 minutes; Secondly, again the waterproof closed-cell liquid slurry evenly is sprayed on the pearlstone surface, specifically; Be that pearlstone is placed in the cylinder of rotation; Wherein, drum rotation speed is 20～80 rev/mins, then; Through shotcrete machine the waterproof closed-cell liquid slurry for preparing is sprayed at the pearlstone surface, so that the pearlstone surface forms the very thin film of one deck; Fail to spray the pearlstone of waterproof closed-cell liquid slurry, under the rotation of cylinder, can fully contact and effectively adhere to the interior waterproof closed-cell liquid slurry of cylinder; At last, pearlstone is dried or air-dry, promptly get waterproof closed-cell expanded perlite.
Need to prove, on every cubic metre pearlstone, spray 2390 kilograms said waterproof closed-cell liquid slurry; Said water-resisting agent is anti-aging waterproofing agent of organosilicon.
Embodiment two
One of present embodiment and embodiment are different mainly to be: a kind of waterproof closed-cell expanded perlite, and specifically, the weight ratio of said silicon sol, water glass, water-resisting agent, cement flour, solidifying agent and water is 45: 230: 4.5: 75: 4.5: 1800; On every cubic metre pearlstone, spray 2159 kilograms said waterproof closed-cell liquid slurry.
Embodiment three
One of present embodiment and embodiment are different mainly to be: a kind of waterproof closed-cell expanded perlite, and specifically, the weight ratio of said silicon sol, water glass, water-resisting agent, cement flour, solidifying agent and water is 55: 270: 5.5: 85: 5.5: 2100; On every cubic metre pearlstone, spray 2521 kilograms said waterproof closed-cell liquid slurry.
Embodiment four
One of present embodiment and embodiment are different mainly to be: a kind of waterproof closed-cell expanded perlite, and specifically, the weight ratio of said silicon sol, water glass, water-resisting agent, cement flour, solidifying agent and water is 52: 250: 5.5: 78: 4.5: 2000; On every cubic metre pearlstone, spray 2390 kilograms said waterproof closed-cell liquid slurry.
Embodiment five
One of present embodiment and embodiment are different mainly to be: a kind of waterproof closed-cell expanded perlite, and specifically, the weight ratio of said silicon sol, water glass, water-resisting agent, cement flour, solidifying agent and water is 48: 260: 4.5: 88: 5.5: 1800; On every cubic metre pearlstone, spray 2216 kilograms said waterproof closed-cell liquid slurry.
Waterproof closed-cell expanded perlite of the present invention is the product that the applicant constantly sums up, tests and obtain in construction practice for many years, and its physics, chemical property have been carried out continuous research, through scientific matching; Experiment repeatedly, final, it is in practical application; Obtained beyond thought effect; Solved pearlstone as the existing deficiency of building thermal insulation material, brought huge social benefit and economic benefit, it has application value.
The second half year in 2009; Entrusted by the applicant of this patent; The tentative detection of maintaining secrecy has been carried out to above five kinds of said waterproof closed-cell expanded perlites in construction engineering quality verification test center, Henan Province; Specified requirement among the equal National standard GB/T20473-2006 of performance index " building heat-insulating mortar " of each project of testing, it is following specifically to detect data:
| Interventions Requested | Embodiment one assay | Embodiment two assays | Embodiment three assays | Embodiment four assays | Embodiment five assays |
| Unit weight | 141Kg/m 3 | 139Kg/m 3 | 147Kg/m 3 | 142Kg/m 3 | 138Kg/m 3 |
| The quality water-intake rate | ＜0.96％ | ＜1.14％ | ＜1.16％ | ＜0.98％ | ＜0.91％ |
| The volume water absorption rate | ＜0.78％ | ＜0.89％ | ＜0.81％ | ＜0.73％ | ＜0.71％ |
| Use temperature | -175～845 | -200～850 | -160～820 | -180～870 | -190～865 |
| Thermal conductivity | 0.036 | 0.042 | 0.040 | 0.041 | 0.038 |
| Rate of closed hole | 99.6％ | 99.3％ | 99.1％ | 99.7％ | 99.8％ |
The second half year in 2009; Entrusted by the applicant of this patent; Hunan Province Department of Construction has carried out the tentative sampling observation of maintaining secrecy to waterproof closed-cell expanded perlite according to the invention again; According to " the little skinning loam external thermal insulation system of wall thermal insulating " Q/XZJ001-2007 standard and " glue powder polyphenyl granule exterior wall outer heat preservation system " JG158-2004 standard, this product has been carried out nearly 31 inspection, all inspect index by random samples and all meet the specified requirement of above two kinds of standards and be superior to standard-required.
The experimental data contrast table of the present invention and pearlstone of the prior art is following:
| Interventions Requested | Normal expanded perlite | Wrap up in the shell pearlstone | The glass bead pearlstone | Pearlstone of the present invention |
| Unit weight | 80Kg/m 3 | 230～250Kg/m 3 | ＜220Kg/m 3 | 130～150Kg/m 3 |
| The quality water-intake rate | 400％ | 200％ | ＜85％ | 0.9～1.2％ |
| The volume water absorption rate | 29～30％ | 20～25％ | 12～20％ | ＜0.7％ |
| Thermal conductivity | ＜0.047 | ＜0.056 | ＜0.052 | ＜0.049 |
| Rate of closed hole | 8～12％ | 15～20％ | 35～45％ | ＞99％ |
| Outward appearance | Be irregular | Be oval | Rounded and surperficial glazing | Be irregular |
| Current consumption | 1.5 unit/m 3 | 2 yuan/m 3 | 50 yuan/m 3 | 2 yuan/m 3 |
Wherein, the detection of thermal conductivity is carried out under average 25 ℃ of temperature.
Waterproof closed-cell expanded perlite according to the invention is used for wall thermal insulating; Successively in Henan Province, the test of maintaining secrecy of province construction sites such as Hunan Province, Guangdong Province, Jiangxi Province; Find that it has outstanding insulation, effect of heat insulation; And; It is the environment-friendly composite wall heat insulation material that a kind of energy-saving and cost-reducing, waterproof, fire prevention, sound insulation, sound-absorbing, multiple function such as corrosion-resistant, nontoxic are integrated in one, and it has thoroughly solved problems such as lagging material volumetric shrinkage, wall hollow drum, wall crazing, body of wall that long-term puzzlement causes because of the wall thermal insulating construction come off.
Claims (3)
1. waterproof closed-cell expanded perlite; It is characterized in that: calculate by weight; Silicon sol, water glass, water-resisting agent, cement flour, solidifying agent and water are carried out proportioning, and mix, make the waterproof closed-cell liquid slurry; Wherein, the weight ratio of said silicon sol, water glass, water-resisting agent, cement flour, solidifying agent and water is 45～55: 225～275: 4.5～5.5: 72～88: 4.5～5.5: 1800～2200; Again said waterproof closed-cell liquid slurry evenly is sprayed on the pearlstone surface, again pearlstone is dried or air-dry, promptly get waterproof closed-cell expanded perlite.
2. waterproof closed-cell expanded perlite according to claim 1 is characterized in that: on every cubic metre pearlstone, spray 215.1～262.9 kilograms said waterproof closed-cell liquid slurry.
3. waterproof closed-cell expanded perlite according to claim 1 is characterized in that: said water-resisting agent is anti-aging waterproofing agent of organosilicon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101013759A CN101781098B (en) | 2010-01-27 | 2010-01-27 | Waterproof closed-cell expanded perlite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101013759A CN101781098B (en) | 2010-01-27 | 2010-01-27 | Waterproof closed-cell expanded perlite |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101781098A CN101781098A (en) | 2010-07-21 |
| CN101781098B true CN101781098B (en) | 2012-04-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101013759A Expired - Fee Related CN101781098B (en) | 2010-01-27 | 2010-01-27 | Waterproof closed-cell expanded perlite |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101781098B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025038561A3 (en) * | 2023-08-11 | 2025-04-03 | Laticrete International, Inc. | Prograde premix ready-to-use (rtu) adhesive |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103205197A (en) * | 2013-04-15 | 2013-07-17 | 徐州彭禾节能环保科技有限公司 | Organosilicon water-proofing agent for perlite insulation board |
| CN103723992A (en) * | 2013-12-13 | 2014-04-16 | 青岛无为保温材料有限公司 | Vitrified particulate heat-insulated material for walls |
| CN106145863A (en) * | 2016-06-30 | 2016-11-23 | 合肥广能新材料科技有限公司 | Environment-friendly type building insulation material and preparation method thereof |
| CN115368048B (en) * | 2022-09-19 | 2023-07-14 | 河南建筑材料研究设计院有限责任公司 | A kind of modified expanded perlite and its preparation method and application |
| CN119638247A (en) * | 2024-12-19 | 2025-03-18 | 廊坊英康科技有限公司 | Method for preparing high-performance closed-cell perlite material by chemical method |
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2010
- 2010-01-27 CN CN2010101013759A patent/CN101781098B/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025038561A3 (en) * | 2023-08-11 | 2025-04-03 | Laticrete International, Inc. | Prograde premix ready-to-use (rtu) adhesive |
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| CN101781098A (en) | 2010-07-21 |
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Granted publication date: 20120425 Termination date: 20140127 |