CN101139180A - Polymer modified expanded perlite and method for making same - Google Patents
Polymer modified expanded perlite and method for making same Download PDFInfo
- Publication number
- CN101139180A CN101139180A CNA2007100703435A CN200710070343A CN101139180A CN 101139180 A CN101139180 A CN 101139180A CN A2007100703435 A CNA2007100703435 A CN A2007100703435A CN 200710070343 A CN200710070343 A CN 200710070343A CN 101139180 A CN101139180 A CN 101139180A
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- Prior art keywords
- polymer
- expanded perlite
- modified expanded
- expansion perlite
- pearlstone
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Classifications
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- 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
- C04B20/1018—Coating or impregnating with organic materials
- C04B20/1029—Macromolecular compounds
- C04B20/1037—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
-
- 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
- C04B20/1018—Coating or impregnating with organic materials
- C04B20/1029—Macromolecular compounds
- C04B20/1033—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
-
- 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
- C04B20/1051—Organo-metallic compounds; Organo-silicon compounds, e.g. bentone
Abstract
The present invention discloses a polymer modification expansion perlite and the preparation method. The polymer modification expansion perlite is a polymer modification expansion perlite particle used to carry out the surface coating modification by adopting the polymer modifiers. The preparation method is that the expansion perlite is delivered into a rotary drum, and the polymer modifiers are delivered into the rotary drum from the other inlet of the rotary drum in the form of sprayer together with the hot air, the temperature of which ranges from 30 to 150 Celsius system. A polymer film with a certain strength is formed on the surface of the expansion perlite, and the materials are outputted from a discharge hole so as to obtain the polymer modification expansion perlite particle. The present invention has the following advantages: the polymer modifiers completely coat the expansion perlite particle, thus lowering the water absorption and eliminating the defect that the expansion perlite easily absorbs the water with the thermal insulation performance lowered; the polymer film with a certain strength and toughness is formed on the surface of the expansion perlite, thus solving the problem that the expansion perlite is easy to be broken up with lowering the quality of the products in the process of transportation and use; the preparation technique is simple and is easy to be carried out and controlled, thus being beneficial to the industrialized popularization and application.
Description
Technical field
The present invention relates to building energy saving field, relate in particular to pearlstone material of a kind of polymer modification and preparation method thereof.
Background technology
The energy consumption of China unit's floor area of building is up to 3 times of the close developed country of weather condition, and 95% buildings belongs to high energy consumption building, about 30% of building energy consumption account whole society total energy consumption.Along with China's economic construction and real estate rapid growth, the China that resource scarcity, pollution are increasingly sharpened brings bigger electric power burden.Therefore, building energy conservation is a very important and urgent problem to China, develops the high-performance building energy-saving material and has crucial meaning.
Thermal insulation mortar is the energy-saving building materials with premium properties, pearlstone is as the main aggregate of thermal insulation mortar, has all lower advantage of unit weight and thermal conductivity, pearlstone is as inorganic materials simultaneously, same granular polystyrene, styrofoam product are compared, and do not have environmental protection, fire-fighting and ageing failure problem.But pearlstone is the porous hydrophilic material, increases owing to suction causes thermal conductivity easily, reduces the heat-insulating property of thermal insulation mortar.Simultaneously, thermal insulation mortar generally is prepared in factory after the dry-mix, transports to the working-yard again and uses.Because pearlstone light weight and frangible, pearlstone may and clash into owing to extruding and cause fragmentation in transportation, mortar unit weight is increased, thereby cause quality product to descend.So be necessary pearlstone is carried out pre-treatment, reduce the water-absorbent of pearlstone and improve intensity.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of pearlstone material with low water absorbable and non-friable polymer modification and preparation method thereof is provided.
The present invention solves the problems of the technologies described above the technical scheme that is adopted:
A kind of polymer modified expanded perlite is characterized in that: it is a kind of polymer modified expanded perlite particle that adopts polymer modifiers to carry out surface coating modification.
More specifically technical scheme is:
It is the polymer modified expanded perlite particle that a kind of method that adopts hot spray painting to be coated with polymer modifiers is carried out surface coating modification.
A kind of preparation method of polymer modified expanded perlite is characterized in that comprising the steps:
Pearlstone is sent in the rotating cylinder of rotation, polymer modifiers is sent into the rotating cylinder with 30 ℃～150 ℃ hot blasts from another inlet of rotating cylinder with Sprayable, pearlstone constantly stirs in rotating cylinder and contacts with the hot mist of polymer modifiers formation, form polymeric film with certain intensity on the surface, and, promptly obtained the polymer modified expanded perlite particle from discharge hole for discharge.
Described polymer modifiers can be benzene emulsion, polyacrylic acid emulsion, urethane or silane coupling agent, and the mass ratio of described polymer modifiers and pearlstone is 1: 3～1: 1.
Because the present invention has taked above-mentioned technical measures, it compared with prior art has following advantage:
1, polymer modifiers coats the expanded perlite granule surface fully, stoped water directly to contact with pearlstone, polymkeric substance generally has hydrophobic nature simultaneously, thereby has reduced water-intake rate, has eliminated because pearlstone has reduced the heat-insulating property of thermal insulation mortar owing to easily absorbing water;
2, the pearlstone surface of process polymer modification has formed and has had certain intensity and toughness polymer film, played and supported and the effect of protection, solved thoroughly that pearlstone is easy to fragmentation in transportation and use and the problem that makes the quality product reduction;
3, preparation technology is simple, and easy to implement and control is beneficial to industrialization promotion and uses.
Description of drawings
Fig. 1 is the schema synoptic diagram of the embodiment of the invention;
Fig. 2 is the embodiment of the invention through the synoptic diagram of the pearlstone water-intake rate situation of the pearlstone of modification and prior art non-modified.
Embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail.
Embodiment 1
With reference to Fig. 1, be that the pearlstone of 2mm is sent in the rotation rotating cylinder with particle size range, the hot blast that utilizes 80 ℃ simultaneously is the little mist of benzene emulsion, the benzene emulsion quality: pearlstone quality=1: 1, send in the rotating cylinder; Pearlstone fully contacts with the hot mist of benzene emulsion in rotating cylinder, thereby has formed the polymeric film with certain intensity on the surface, and from discharge hole for discharge, has promptly obtained benzene emulsion modified expanded perlite particle.
With reference to Fig. 2, the normal expanded perlite water-intake rate that reaches capacity in the time of 30 minutes, and by the benzene emulsion modified expanded perlite particle water-intake rate that just reaches capacity in the time of 110 minutes, water-absorbent has had tangible reduction; Simultaneously intensity also is significantly improved, and cylindrical compress strength 1MPa lower volume rate of loss drops to 23% by original 70%, occurs broken easily problem in the transportation construction process, and the performance of thermal insulation mortar is greatly improved.
Embodiment 2
With particle size range is that the pearlstone of 8mm is sent in the rotation rotating cylinder, and the hot blast that utilizes 60 ℃ simultaneously is the little mist of urethane, the urethane quality: pearlstone quality=1: 3, send in the rotating cylinder; Pearlstone fully contacts with the hot mist of urethane formation in rotating cylinder, thereby has formed the polyurethane film with certain intensity on the surface, and from discharge hole for discharge, has promptly obtained polyurethane-modified expanded perlite granule.
The normal expanded perlite water-intake rate that reaches capacity in the time of 30 minutes, by polyurethane-modified expanded perlite granule, and through the pearlstone of the modification water-intake rate that just reaches capacity in the time of 250 minutes, water-absorbent has had tangible reduction; Simultaneously intensity also is significantly improved, and cylindrical compress strength 1MPa lower volume rate of loss drops to 32% by original 80%, occurs broken easily problem in the transportation construction process, and the performance of thermal insulation mortar is greatly improved.
Embodiment 3
With particle size range is that the pearlstone of 4mm is sent in the rotation rotating cylinder, and the hot blast that utilizes 90 ℃ simultaneously is the polyacrylic acid emulsion, the polyacrylic acid quality of the emulsion: pearlstone quality=1: 3, send in the rotating cylinder with Sprayable; Pearlstone fully contacts with the hot mist of polyacrylic acid emulsion formation in rotating cylinder, thereby has formed the polyacrylic acid emulsion film with certain intensity on the surface, and from discharge hole for discharge, has promptly obtained the emulsion modified expanded perlite granule of polyacrylic acid.
The normal expanded perlite water-intake rate that reaches capacity in the time of 30 minutes, by polyurethane-modified expanded perlite granule, and through the pearlstone of the modification water-intake rate that just reaches capacity in the time of 360 minutes, water-absorbent has had tangible reduction; Simultaneously intensity also is significantly improved, and cylindrical compress strength 1MPa lower volume rate of loss drops to 25% by original 78%, occurs broken easily problem in the transportation construction process, and the performance of thermal insulation mortar is greatly improved.
Claims (4)
1. polymer modified expanded perlite, it is characterized in that: it is a kind of polymer modified expanded perlite particle that adopts polymer modifiers to carry out surface coating modification.
2. polymer modified expanded perlite according to claim 1 is characterized in that: it is the polymer modified expanded perlite particle that a kind of method that adopts hot spray painting to be coated with polymer modifiers is carried out surface coating modification.
3. the preparation method of a polymer modified expanded perlite is characterized in that comprising the steps:
Pearlstone is sent in the rotating cylinder of rotation, polymer modifiers is sent into the rotating cylinder with 30 ℃ of-150 ℃ of hot blasts from another inlet of rotating cylinder with Sprayable, pearlstone constantly stirs in rotating cylinder and contacts with the hot mist of polymer modifiers formation, form polymeric film with certain intensity on the surface, and, promptly obtained the polymer modified expanded perlite particle from discharge hole for discharge.
4. the preparation method of polymer modified expanded perlite according to claim 3, it is characterized in that: described polymer modifiers can be benzene emulsion, polyacrylic acid emulsion, urethane or silane coupling agent, and the mass ratio of described polymer modifiers and pearlstone is 1: 3～1: 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100703435A CN101139180B (en) | 2007-07-25 | 2007-07-25 | Method for making polymer modified expanded perlite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100703435A CN101139180B (en) | 2007-07-25 | 2007-07-25 | Method for making polymer modified expanded perlite |
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| Publication Number | Publication Date |
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| CN101139180A true CN101139180A (en) | 2008-03-12 |
| CN101139180B CN101139180B (en) | 2012-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2007100703435A Expired - Fee Related CN101139180B (en) | 2007-07-25 | 2007-07-25 | Method for making polymer modified expanded perlite |
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Cited By (27)
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|---|---|---|---|---|
| CN102531467A (en) * | 2011-11-23 | 2012-07-04 | 中国建筑科学研究院 | Hard-foam polyurethane-expanded and vitrified microbead composite heat insulation flame-retardant board and preparation method thereof |
| CN103819873A (en) * | 2013-12-11 | 2014-05-28 | 青岛海洋新材料科技有限公司 | High-strength solid buoyancy material and manufacturing method |
| CN104153533A (en) * | 2014-08-22 | 2014-11-19 | 西南大学 | Fireproof and waterproof indoor decorative sheet and manufacturing method thereof |
| CN104193210A (en) * | 2014-08-22 | 2014-12-10 | 西南大学 | Hydrophobic expanded perlite and preparation method thereof |
| CN104926216A (en) * | 2015-06-15 | 2015-09-23 | 洛阳理工学院 | Preparation method of thermal-insulation building material |
| CN105948636A (en) * | 2016-04-28 | 2016-09-21 | 中晶工程材料（信阳）有限公司 | Polyacrylate enhanced modified expanded perlite thermal insulation board and production method thereof |
| CN105967564A (en) * | 2016-04-28 | 2016-09-28 | 中晶工程材料（信阳）有限公司 | Lightweight hydrophobic expanded perlite heat insulation plate and production method thereof |
| CN105967581A (en) * | 2016-04-28 | 2016-09-28 | 中晶工程材料（信阳）有限公司 | Modified expanded perlite heat insulation plate using fly ash, and production method thereof |
| CN106145821A (en) * | 2016-04-28 | 2016-11-23 | 中晶工程材料（信阳）有限公司 | A kind of nano modification expanded perlite thermal-nsulation plate and production method thereof |
| CN106186921A (en) * | 2016-04-28 | 2016-12-07 | 中晶工程材料（信阳）有限公司 | A kind of mineral fibre enhancement mode modified expanded perlite insulation board and production method thereof |
| CN106186854A (en) * | 2016-04-28 | 2016-12-07 | 中晶工程材料（信阳）有限公司 | A kind of fire-type modified expanded perlite insulation board and production method thereof |
| CN106220066A (en) * | 2016-08-04 | 2016-12-14 | 南京工业大学 | A kind of bottom slag is modified and the method for preparing dry powder and mortar with it and application |
| CN106893070A (en) * | 2015-12-17 | 2017-06-27 | 辽宁法库陶瓷工程技术研究中心 | A kind of surface-closed perlite filled polyurethane compound insulating material and preparation method |
| CN107400311A (en) * | 2017-08-03 | 2017-11-28 | 合肥泓定科技有限公司 | Polyvinyl chloride wall body heat insulating material |
| CN107522837A (en) * | 2017-08-03 | 2017-12-29 | 合肥泓定科技有限公司 | Polyurethane adiabatic heat-insulation material and preparation method thereof |
| CN108585664A (en) * | 2018-06-13 | 2018-09-28 | 安徽臻烁新材料技术有限公司 | A kind of preparation method of high-strength insulation wallboard |
| CN108863233A (en) * | 2018-07-27 | 2018-11-23 | 芜湖市棠华建材科技有限公司 | A kind of modified expanded perlite thermal insulation mortar and preparation method thereof |
| CN108911549A (en) * | 2018-08-16 | 2018-11-30 | 安徽铭源新型建材科技有限公司 | A kind of packing technology and glue of expanded perlite |
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| CN112831213A (en) * | 2021-01-15 | 2021-05-25 | 广东施彩新材料科技有限公司 | Preparation method and application of coated porous expanded perlite |
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| CN1055349A (en) * | 1991-04-26 | 1991-10-16 | 上海市建筑科学研究所 | Hydrophobic expansion pearlite thermal insulation product and manufacture method thereof |
| CN1579985A (en) * | 2004-05-20 | 2005-02-16 | 上海宝能轻质材料有限公司 | Hydrophobic expanded pearlite for low temperature and its preparing method |
| CN1325416C (en) * | 2005-10-14 | 2007-07-11 | 浙江大学 | Glass hydrophobic film coating liuqid |
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2007
- 2007-07-25 CN CN2007100703435A patent/CN101139180B/en not_active Expired - Fee Related
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| CN102531467B (en) * | 2011-11-23 | 2013-07-31 | 中国建筑科学研究院 | Hard-foam polyurethane-expanded and vitrified microbead composite heat insulation flame-retardant board and preparation method thereof |
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| CN112321259A (en) * | 2020-11-17 | 2021-02-05 | 上海群宝建材有限公司 | Heat-insulating concrete and preparation method thereof |
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| CN115368048A (en) * | 2022-09-19 | 2022-11-22 | 河南建筑材料研究设计院有限责任公司 | Modified expanded perlite and preparation method and application 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 | Modified expanded perlite and preparation method and application thereof |
| CN115746464A (en) * | 2022-12-06 | 2023-03-07 | 威海市泓淋电力技术股份有限公司 | TPE insulating material for low-temperature-resistant high-insulation cable and preparation method thereof |
| CN116396098A (en) * | 2023-04-20 | 2023-07-07 | 南通市建设混凝土有限公司 | Thermal insulation concrete and preparation process thereof |
| CN116396098B (en) * | 2023-04-20 | 2023-11-14 | 南通市建设混凝土有限公司 | Thermal insulation concrete and preparation process thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101139180B (en) | 2012-05-30 |
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