CN103539415A - Preparation method of kaolin geopolymer-based regenerated EPS (Expandable Polystyrene) insulating material of exterior wall of building - Google Patents
Preparation method of kaolin geopolymer-based regenerated EPS (Expandable Polystyrene) insulating material of exterior wall of building Download PDFInfo
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- CN103539415A CN103539415A CN201310532085.3A CN201310532085A CN103539415A CN 103539415 A CN103539415 A CN 103539415A CN 201310532085 A CN201310532085 A CN 201310532085A CN 103539415 A CN103539415 A CN 103539415A
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- eps
- kaolin
- exterior wall
- insulating material
- geopolymer
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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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/006—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing mineral polymers, e.g. geopolymers of the Davidovits type
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
Abstract
The invention discloses a preparation method of a kaolin geopolymer-based regenerated EPS (Expandable Polystyrene) insulating material of an exterior wall of a building. The insulating material mainly comprises a kaolin geopolymer cementing material and a regenerated EPS nuclear shell master batch. The preparation method comprises the following steps: 1) preparing metakaolin by sintering kaolin at a high temperature; 2) preparing the regenerated EPS nuclear shell master batch; 3) preparing an alkali-activator; 4) preparing the insulating material. As conventional cement is replaced by the geopolymer cementing material and waste polystyrene foam plastic is taken as an insulating main body, the kaolin geopolymer-based regenerated EPS insulating material of the exterior wall of the building provided by the invention has the advantages of low cost, environment-friendly production process and the like.
Description
Technical field
The present invention relates to external wall heat insulating material for external field, being specifically related to is a kind of kaolin ground polymers base regeneration EPS architecture exterior wall insulating materials preparation method.
Background technology
Ground polymers (Geopolymer) is found at 20 century 70s by French scientist J.Davidovits the earliest, and in 1985, in its United States Patent (USP), is proposed first the concept of ground polymers.Ground each performance of polymers is similar to cement, but be better than again cement, especially it is high temperature resistant, the performance of weather resistance, high-early-strength, fixing (sealing) metal ion and environmental protection enjoys people to pay close attention to, there is good application prospect, and the energy consumption in its preparation process is lower, unlike cement (grog), need high-temperature calcination, in production process, emit a large amount of CO
2.On document, normally using the mineral that contain silico-aluminate or the industrial residue starting material as preparation ground polymers.The explored reserves of China's kaolin are more, spread all over and have 21 provinces (city, district), wherein Guangdong Province is that the kaolin resource reserves of verifying are the abundantest maximum province comparatively speaking, its kaolin resource reserves account for national total amount 30.9%, are secondly the provinces such as Shaanxi, Fujian, Jiangxi, Guangxi, Hunan and Jiangsu.Therefore, exploitation kaolin ground polymers gelling material has special meaning in China.
Under world today's environment-friendly and green environmental background, the development of building trade is also tending towards low energy gradually.And the improvement of wall body structure heat preservation energy-saving becomes the emphasis of many countries aspect Building Energy-saving Work naturally.External Walls Heating Insulation mainly contains 2 kinds of forms: exterior wall insulating temperature technique and External Thermal Insulation Technology for External.With respect to interior heat preservation technology, External Thermal Insulation Technology for External is reasonable, and has its obvious superiority, no matter in lagging material specification, measure-alike, or under performance similar situation, external wall outer insulation effect is better than interior insulation.China starts to introduce heat preservation technology EPS from late nineteen eighties, the early 1990s, and carried out pilot study and promoted the use of, and impel China in 2005, to promulgate < < external wall outer insulation engineering rules > >, become the architectural exterior insulation system of China's approval.The research demonstration of 2009, in building exterior wall heat preserving utilization, the outer heat preservation technology of EPS accounts for 17.0%; In being used, covil construction exterior wall accounts for 3.5%, and with the speed increment of annual 17.0%-18.0%.In recent years, in many External Walls Heating Insulation that China is used in building energy saving field, the outer heat preservation technology of EPS is that rate of utilization is the highest outer heat preservation technology always, and at the Energy Conservation Project in Construction in the developed country areas such as America and Europe, the outer heat preservation technology of EPS is the power-saving technology of first being considered equally.In EPS external wall outer insulation material, be mainly to take EPS particle as light skeletal and insulation main body, gelling material is chosen cement, then adds external additive to prepare.If take waste polystyrene foam as raw material, the green material of cement by new----ground polymers gelling material substitutes, and preparation regeneration EPS lagging material, will be a research topic highly significant.
The present invention is based on above Research Thinking, proposed the preparation method of a kind of kaolin ground polymers base regeneration EPS architecture exterior wall insulating materials, lagging material prepared by the present invention has the features such as preparation method is simple, mechanical property, excellent thermal insulation performance.
Summary of the invention
The object of the present invention is to provide the preparation method of a kind of kaolin ground polymers base regenerated polystyrene foam beads (EPS) architecture exterior wall insulating materials, to replace with serious pollution traditional concrete-based polyphenylene granule external wall heat insulating material for external.
Concrete steps are:
1. kaolin is calcined to 4-8 hour at 550-650 ℃, then pulverized by ball mill, cross 40 mesh sieve, making tap density is 0.6g/cm
3metakaolin.
2. waste polystyrene foamed plastics is broken, and acquisition tap density is 0.012g/cm
3polystyrene foam particles (EPS).
3, take the polystyrene foam particles (EPS) that step (2) that 2-4g, volume are 200-300mL makes and put into plastic beaker, the mixed solution that adds the 6-9mL redispersible emulsion that the formulated analytical pure trolamine of 1:1 and mass percent concentration are 40% by volume, stir, the metakaolin that adds again 12g step (1) to make, add while stirring, obtain modified EPS.
4, modified EPS step (3) being obtained is transferred in dixie cup, puts into baking oven, dries 24 hours at 50 ℃, and EPS nucleocapsid masterbatch obtains regenerating.
5. the industrial-grade sodium silicate that is 3.26 by 70.4mL modulus mixes with 14.8g NaOH, obtains modulus and be 1.4 water glass.
6. the EPS nucleocapsid masterbatch of the metakaolin of 200-250g step (1) gained and 200-300mL step (4) gained is poured in mortar mixer, slowly adding the modulus of 65-75 mL step (5) gained is 1.4 water glass solutions (as alkali-activator) and 25-35mL water again, stirs and obtains thermal insulation mortar.
7. the heat preservation slurry of step (6) gained is poured in ready mould, floating, maintenance 1 day under condition at normal temperatures, the demoulding, then continue maintenance 4 days, obtain lagging material.
The present invention is owing to utilizing ground polymers gelling material to replace traditional cement, and use waste polystyrene foamed plastics as insulation main body, make the kaolin base polymers base regeneration EPS external wall heat insulating material for external that the present invention improves there is the advantages such as cost is low, production technique environmental protection.
Embodiment
Embodiment:
1. kaolin is calcined 6 hours at 600 ℃, then pulverized by ball mill, cross 40 mesh sieve, making tap density is 0.6g/cm
3metakaolin.
2. waste polystyrene foamed plastics is broken, and acquisition tap density is 0.012g/cm
3polystyrene foam particles (EPS).
3, take the polystyrene foam particles (EPS) that step (2) that 3g, volume are 250mL makes and put into plastic beaker, the mixed solution that adds the 7.5mL redispersible emulsion that the formulated analytical pure trolamine of 1:1 and mass percent concentration are 40% by volume, stir, the metakaolin that adds again 12g step (1) to make, add while stirring, obtain modified EPS.
4, modified EPS step (3) being obtained is transferred in dixie cup, puts into baking oven, dries 24 hours at 50 ℃, and EPS nucleocapsid masterbatch obtains regenerating.
5. the industrial-grade sodium silicate that is 3.26 by 70.4mL modulus mixes with 14.8g NaOH, obtains modulus and be 1.4 water glass.
6. the EPS nucleocapsid masterbatch of the metakaolin of 225g step (1) gained and 250mL step (4) gained is poured in mortar mixer, slowly adding the modulus of 72 mL step (5) gained is 1.4 water glass solutions (as alkali-activator) and 30mL water again, stirs and obtains thermal insulation mortar.
7. heat preservation slurry is poured in ready mould (4cm * 4cm * 16cm), floating, maintenance 1 day under condition at normal temperatures, the demoulding, then continue maintenance 4 days, obtain lagging material.
Claims (1)
1. kaolin ground polymers base regenerated polystyrene foam beads is a preparation method for EPS architecture exterior wall insulating materials, it is characterized in that concrete steps are:
(1) kaolin is calcined to 4-8 hour at 550-650 ℃, then pulverized by ball mill, cross 40 mesh sieve, making tap density is 0.6g/cm
3metakaolin;
(2) waste polystyrene foamed plastics is broken, acquisition tap density is 0.012g/cm
3polystyrene foam particles be EPS;
(3) take the EPS that step (2) that 2-4g, volume are 200-300mL makes and put into plastic beaker, the mixed solution that adds the 6-9mL redispersible emulsion that the formulated analytical pure trolamine of 1:1 and mass percent concentration are 40% by volume, stir, the metakaolin that adds again 12g step (1) to make, add while stirring, obtain modified EPS;
(4) modified EPS step (3) being obtained is transferred in dixie cup, puts into baking oven, dries 24 hours at 50 ℃, and EPS nucleocapsid masterbatch obtains regenerating;
(5) industrial-grade sodium silicate that is 3.26 by 70.4mL modulus mixes with 14.8g NaOH, obtains modulus and be 1.4 water glass;
(6) the EPS nucleocapsid masterbatch of the metakaolin of 200-250g step (1) gained and 200-300mL step (4) gained is poured in mortar mixer, slowly adding the modulus of 65-75 mL step (5) gained is 1.4 water glass solutions and 25-35mL water again, stirs and obtains thermal insulation mortar;
(7) heat preservation slurry of step (6) gained is poured in ready mould, floating, maintenance 1 day under condition at normal temperatures, the demoulding, then continue maintenance 4 days, obtain architecture exterior wall insulating materials.
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|---|---|---|---|
| CN201310532085.3A CN103539415B (en) | 2013-11-03 | 2013-11-03 | Preparation method of kaolin geopolymer-based regenerated EPS (Expandable Polystyrene) insulating material of exterior wall of building |
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| CN201310532085.3A CN103539415B (en) | 2013-11-03 | 2013-11-03 | Preparation method of kaolin geopolymer-based regenerated EPS (Expandable Polystyrene) insulating material of exterior wall of building |
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| CN103539415A true CN103539415A (en) | 2014-01-29 |
| CN103539415B CN103539415B (en) | 2015-06-17 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104230273A (en) * | 2014-09-17 | 2014-12-24 | 苏州新协力环保科技有限公司 | Energy-saving environment-friendly thermal-insulation material for wall |
| CN105503126A (en) * | 2015-12-25 | 2016-04-20 | 南宁学院 | Heat-preserving, low-smoke and low-toxin geopolymer-starch foaming particle composite material and preparation method thereof |
| CN105565763A (en) * | 2015-12-28 | 2016-05-11 | 南宁学院 | High-compatibility geopolymer-starch foam particle composite heat-preserving material and preparation method thereof |
| CN105601187A (en) * | 2015-12-25 | 2016-05-25 | 南宁学院 | Preparation method of density enhancer-added geopolymer-starch foam particle composite insulation material |
| CN105621989A (en) * | 2015-12-25 | 2016-06-01 | 南宁学院 | Oligomer-modified starch foam particle heat-preservation composite material and preparing method thereof |
| CN105621912A (en) * | 2015-12-25 | 2016-06-01 | 南宁学院 | Preparation method of geopolymer-starch foam particle composite thermal insulation material capable of preventing stratification phenomenon from being generated |
| CN105645994A (en) * | 2015-12-31 | 2016-06-08 | 南宁学院 | Geopolymer thermal insulation composite material with high static bending intensity for modified starch foam and preparation method thereof |
| CN106747622A (en) * | 2016-12-07 | 2017-05-31 | 中国科学院青岛生物能源与过程研究所 | The preparation method of a kind of ground polymers fire-retardant heat insulation plate |
| CN106747621A (en) * | 2016-12-07 | 2017-05-31 | 中国科学院青岛生物能源与过程研究所 | A kind of preparation method of waterproof, non-ignitable flyash/metakaolin base warming plate |
| CN113998931A (en) * | 2021-11-29 | 2022-02-01 | 惠州市广润环保科技有限公司 | Preparation method of kaolin polymer-based regenerated EPS (expandable polystyrene) building exterior wall thermal insulation material |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104230273B (en) * | 2014-09-17 | 2016-05-18 | 苏州新协力环保科技有限公司 | A kind of body of wall energy-conserving and environment-protective insulation material |
| CN104230273A (en) * | 2014-09-17 | 2014-12-24 | 苏州新协力环保科技有限公司 | Energy-saving environment-friendly thermal-insulation material for wall |
| CN105621912A (en) * | 2015-12-25 | 2016-06-01 | 南宁学院 | Preparation method of geopolymer-starch foam particle composite thermal insulation material capable of preventing stratification phenomenon from being generated |
| CN105601187A (en) * | 2015-12-25 | 2016-05-25 | 南宁学院 | Preparation method of density enhancer-added geopolymer-starch foam particle composite insulation material |
| CN105621989A (en) * | 2015-12-25 | 2016-06-01 | 南宁学院 | Oligomer-modified starch foam particle heat-preservation composite material and preparing method thereof |
| CN105503126A (en) * | 2015-12-25 | 2016-04-20 | 南宁学院 | Heat-preserving, low-smoke and low-toxin geopolymer-starch foaming particle composite material and preparation method thereof |
| CN105601187B (en) * | 2015-12-25 | 2017-12-29 | 南宁学院 | A kind of preparation method for the ground polymers starch foam particle composite thermal insulation material for adding density enhancing |
| CN105621912B (en) * | 2015-12-25 | 2017-12-29 | 南宁学院 | A kind of preparation method for avoiding ground polymers starch foam particle composite thermal insulation material caused by lamination |
| CN105565763A (en) * | 2015-12-28 | 2016-05-11 | 南宁学院 | High-compatibility geopolymer-starch foam particle composite heat-preserving material and preparation method thereof |
| CN105645994A (en) * | 2015-12-31 | 2016-06-08 | 南宁学院 | Geopolymer thermal insulation composite material with high static bending intensity for modified starch foam and preparation method thereof |
| CN106747622A (en) * | 2016-12-07 | 2017-05-31 | 中国科学院青岛生物能源与过程研究所 | The preparation method of a kind of ground polymers fire-retardant heat insulation plate |
| CN106747621A (en) * | 2016-12-07 | 2017-05-31 | 中国科学院青岛生物能源与过程研究所 | A kind of preparation method of waterproof, non-ignitable flyash/metakaolin base warming plate |
| CN113998931A (en) * | 2021-11-29 | 2022-02-01 | 惠州市广润环保科技有限公司 | Preparation method of kaolin polymer-based regenerated EPS (expandable polystyrene) building exterior wall thermal insulation material |
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Effective date of registration: 20180510 Address after: 516006 Guangdong city Huizhou Zhongkai high tech Zone Tongqiao industrial base, No. 19, south of Luen Fat Road, Huizhou, Guangdong Environmental Protection Technology Co., Ltd. Patentee after: Huizhou Guang run environmental protection technology Co., Ltd. Address before: No. 12, Jian Gong Road, Guilin, the Guangxi Zhuang Autonomous Region Patentee before: Guilin University of Technology |
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