CN103214893A - Phase-change thermal insulation putty - Google Patents
Phase-change thermal insulation putty Download PDFInfo
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- CN103214893A CN103214893A CN2013101169737A CN201310116973A CN103214893A CN 103214893 A CN103214893 A CN 103214893A CN 2013101169737 A CN2013101169737 A CN 2013101169737A CN 201310116973 A CN201310116973 A CN 201310116973A CN 103214893 A CN103214893 A CN 103214893A
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Abstract
The invention discloses a phase-change thermal insulation putty consisting of the following substances in percentage by weight: 30-40% of activated and regenerated concrete fine powder, 5-10% of ground limestone, 3-5% of talcum powder, 15-25% of quartz sand, 1-3% of alkaline mud, 3-5% of washing slurry, 3-5% of silicate cement clinker, 1-3% of aluminum slag, 8-12% of a phase-change material, 2-5% of expanded perlite powder and 0.5-1.5% of an additive. The phase-change thermal insulation putty disclosed by the invention has the characteristics of remitting the environmental pressure from urban construction and alkaline production enterprises and the pressure of the resource shortage of building material enterprises, realizing energy conservation and emission reduction of buildings, reducing the waste burden of enterprises, increasing the income and improving the ecological environment.
Description
Technical field
The present invention relates to the building coating technical field, specifically is a kind of phase-transition heat-preserving putty.
Background technology
[0002] in recent years, because the widespread use of External Thermal Insulation Technology for External and external thermal insulation system facing make building coating run into the new opportunity of good development to the selectivity of coating, and development has faster been arranged.The application of functional exterior wall paint simultaneously significantly increases, the application of the solvent-borne type building coating of highly energy-consuming, high pollution falls sharply, the large-scale development in city has produced a large amount of discarded concretes with transformation in addition, and the regeneration concrete micro mist is the byproduct that adopts in the discarded concrete production recycled coarse aggregate process; Alkaline residue is that system alkali enterprise utilizes solvay soda process to produce the solid waste that produces in the soda ash process, is one of industrial residue; The aluminium slag is the waste that produces in the Aluminum Electrolysis Production process.The present action oriented research of regeneration concrete micro mist is also immature, a large amount of discarded concretes, aluminium slag and alkaline residue, can not get for a long time reasonably handling and utilizing, cause bigger influence to surrounding environment, in addition, modern demand to building resource grows with each passing day, and causes the pressure of building materials enterprise shortage of resources to can not get effective solution for a long time, and enterprise's waste discharge burden also can not get alleviating for a long time.
Summary of the invention
Technical problem to be solved by this invention is, overcome the shortcoming of above prior art: provide a kind of urban construction, system alkali environmental protection of enterprise pressure and building materials enterprise shortage of resources pressure alleviated, realize that building energy-saving reduces discharging, alleviates enterprise's waste discharge burden, the phase-transition heat-preserving putty of increasing income and improving the ecological environment.
Technical solution of the present invention is as follows:
A kind of phase-transition heat-preserving putty, it is made up of following components in weight percentage: activating and regenerating concrete micro mist 30 ~ 40%; Water-ground limestone 5 ~ 10 %; Talcum powder 3 ~ 5%; Quartz sand 15 ~ 25%; Alkaline residue 1 ~ 3 %; Washing slurry 3 ~ 5%; Portland clinker 3 ~ 5%; Aluminium slag 1 ~ 3%; Phase change material 8 ~ 12%; Swelling perlite powder 2 ~ 5%; Admixture 0.5 ~ 1.5%.
As preferably, it is made up of following components in weight percentage: activating and regenerating concrete micro mist 35 ~ 40%; Water-ground limestone 8 ~ 10 %; Talcum powder 3 ~ 5%; Quartz sand 18 ~ 22%; Alkaline residue 1 ~ 3 %; Washing slurry 3 ~ 4%; Portland clinker 3 ~ 5%; Aluminium slag 1 ~ 3%; Phase change material 8 ~ 10%; Swelling perlite powder 2 ~ 4%; Admixture 0.5 ~ 1%.
Described activating and regenerating concrete micro mist is that the particle diameter that produces in the regeneration concrete coarse aggregate production process forms less than activated processing of 0.23mm pellet and ball milling, ball milling to specific surface area greater than 450mm2/kg.
Described admixture is a defoamer.
Described admixture is one or both in methyl cellulose ether and the ether of cellulose.
Described aluminium slag is the solid waste in the Aluminum Electrolysis Production process.
Described alkaline residue utilizes solvay soda process to produce the solid waste that produces in the soda ash process for system alkali enterprise.
Described washing slurry is that iron and steel enterprise carries out the solid waste that the slag hot application is handled generation, as the washing slurry that adopts Baosteel Usiminas waste residue to handle.
Described phase change material be polyoxyethylene glycol phase-changing energy storage material and wax phase change energy storage material one or both.
The invention has the beneficial effects as follows: traditional exterior-wall heat insulation putty is by the agglutinate of cement as putty, coarse whiting, talcum powder, silica powder etc. are as the common mineral filler of putty, pearlstone, diatomite etc. are as the lagging material of putty, and relevant active inorganic materials and some outer adding assistants are formed.And agglutinate of the present invention adopts activating and regenerating concrete micro mist, lagging material adopts phase-changing energy storage material, trade wastes such as alkaline residue, aluminium slag have been utilized rationally and effectively, can alleviate urban construction, system alkali environmental protection of enterprise pressure and building materials enterprise shortage of resources pressure, realize that building energy-saving reduces discharging, alleviates enterprise's waste discharge burden, increases income and improves the ecological environment.
Embodiment
With specific embodiment the present invention is described in further details below, but the present invention not only is confined to following specific embodiment.
Embodiment one
Phase-transition heat-preserving putty component is by weight percentage formed: activating and regenerating concrete micro mist 35%; Water-ground limestone 10 %; Talcum powder 5%; Quartz sand 22%; Alkaline residue 3%; Washing slurry 4%; Portland clinker 5%; Aluminium slag 2%; Polyoxyethylene glycol phase-changing energy storage material 10%; Swelling perlite powder 3%; Methyl cellulose ether 1%.
Described activating and regenerating concrete micro mist is that the particle diameter that produces in the regeneration concrete coarse aggregate production process forms less than activated processing of 0.23mm pellet and ball milling, ball milling to specific surface area greater than 450mm2/kg.
The activating treatment process of activating and regenerating concrete micro mist, concrete steps comprise:
(1) be that mechanical mill mixes with the particle diameter that produces in the regeneration concrete coarse aggregate production process less than 0.23mm pellet and lime mechanical activation, wherein lime intermingled quantity be the mixture gross weight 5% ~ 15%, the residue for described particle diameter less than the 0.23mm pellet, at room temperature be ground to and obtain the powder of grinding fineness less than 0.075mm;
(2) powder behind step (1) mechanical activation is placed on soaks 18 ~ 30 hours in the sodium aluminosilicate solution, dry, reheat to 900 ~ 950 ℃, be incubated 2 ~ 5 hours, naturally cool to room temperature again;
(3) be 1:0.8 ~ 1.5 normal temperature mixed grindings with the weight ratio with cooled material of step (2) and slag micropowder, the specific surface area that is ground to mixture satisfies greater than 450mm
2/ kg;
Described sodium aluminosilicate solution is the sodium silicoaluminate saturated solution;
Described sodium silicoaluminate saturated solution is that mass percent is that 5 ~ 15% sodium aluminosilicate solutions and zeolite powder are mixed to the saturated mixing solutions of zeolite powder.
The preparation method of phase-transition heat-preserving putty: it is 200 orders that each component grinding of phase-transition heat-preserving putty is become fineness, and each then that above grinding is good component is carried out mechanically mixing and promptly made phase-transition heat-preserving putty.
Performance index: (adopting 1500 gram phase-transition heat-preserving putty)
Group number water/g denseness application property grinability flexible adhesion intensity water regain density thermal conductivity
1 640 6.1 good easily polishings qualified 2.95 1.0 1.0823 0.226
2 730 6.1 good easily polishings qualified 2.38 0.7 0.9532 0.158
3 810 6.2 good easily polishings qualified 2.29 1.3 0.8925 0.142
Embodiment two
Phase-transition heat-preserving putty component is by weight percentage formed: activating and regenerating concrete micro mist 40%; Water-ground limestone 8%; Talcum powder 4%; Quartz sand 20%; Alkaline residue 3%; Washing slurry 4%; Portland clinker 5%; Aluminium slag 2%; Wax phase change energy storage material 10%; Swelling perlite powder 3%; Methyl cellulose ether 1%.
Described activating and regenerating concrete micro mist is that the particle diameter that produces in the regeneration concrete coarse aggregate production process forms less than activated processing of 0.23mm pellet and ball milling, ball milling to specific surface area greater than 450mm
2/ kg.
The activating treatment process of activating and regenerating concrete micro mist, concrete steps comprise:
(1) be that mechanical mill mixes with the particle diameter that produces in the regeneration concrete coarse aggregate production process less than 0.23mm pellet and lime mechanical activation, wherein lime intermingled quantity be the mixture gross weight 5% ~ 15%, the residue for described particle diameter less than the 0.23mm pellet, at room temperature be ground to and obtain the powder of grinding fineness less than 0.075mm;
(2) powder behind step (1) mechanical activation is placed on soaks 18 ~ 30 hours in the sodium aluminosilicate solution, dry, reheat to 900 ~ 950 ℃, be incubated 2 ~ 5 hours, naturally cool to room temperature again;
(3) be 1:0.8 ~ 1.5 normal temperature mixed grindings with the weight ratio with cooled material of step (2) and slag micropowder, the specific surface area that is ground to mixture satisfies greater than 450mm
2/ kg;
Described sodium aluminosilicate solution is the sodium silicoaluminate saturated solution;
Described sodium silicoaluminate saturated solution is that mass percent is that 5 ~ 15% sodium aluminosilicate solutions and zeolite powder are mixed to the saturated mixing solutions of zeolite powder.
The preparation method of phase-transition heat-preserving putty: it is 200 orders that each component grinding of phase-transition heat-preserving putty is become fineness, and each then that above grinding is good component is carried out mechanically mixing and promptly made phase-transition heat-preserving putty.
Performance index: (adopting 1500 gram phase-transition heat-preserving putty)
Group number water/g denseness application property grinability flexible adhesion intensity water regain density thermal conductivity
1 640 6.1 good easily polishings qualified 2.97 1.0 1.0876 0.236
The qualified 2..46 0.9 0.9235 0.148 of 2 730 6.2 good easily polishings
3 810 6.2 good easily polishings qualified 2.29 1.3 0.8925 0.142
Embodiment three
Phase-transition heat-preserving putty component is by weight percentage formed: activating and regenerating concrete micro mist 30%; Water-ground limestone 10 %; Talcum powder 5%; Quartz sand 25%; Alkaline residue 2%; Washing slurry 3%; Portland clinker 4%; Aluminium slag 3%; Wax phase change energy storage material 12%; Swelling perlite powder 5%; Defoamer 1%.
Described activating and regenerating concrete micro mist is that the particle diameter that produces in the regeneration concrete coarse aggregate production process forms less than activated processing of 0.23mm pellet and ball milling, ball milling to specific surface area greater than 450mm
2/ kg.
The activating treatment process of activating and regenerating concrete micro mist, concrete steps comprise:
(1) be that mechanical mill mixes with the particle diameter that produces in the regeneration concrete coarse aggregate production process less than 0.23mm pellet and lime mechanical activation, wherein lime intermingled quantity be the mixture gross weight 5% ~ 15%, the residue for described particle diameter less than the 0.23mm pellet, at room temperature be ground to and obtain the powder of grinding fineness less than 0.075mm;
(2) powder behind step (1) mechanical activation is placed on soaks 18 ~ 30 hours in the sodium aluminosilicate solution, dry, reheat to 900 ~ 950 ℃, be incubated 2 ~ 5 hours, naturally cool to room temperature again;
(3) be 1:0.8 ~ 1.5 normal temperature mixed grindings with the weight ratio with cooled material of step (2) and slag micropowder, the specific surface area that is ground to mixture satisfies greater than 450mm
2/ kg;
Described sodium aluminosilicate solution is the sodium silicoaluminate saturated solution;
Described sodium silicoaluminate saturated solution is that mass percent is that 5 ~ 15% sodium aluminosilicate solutions and zeolite powder are mixed to the saturated mixing solutions of zeolite powder.
The preparation method of phase-transition heat-preserving putty: it is 200 orders that each component grinding of phase-transition heat-preserving putty is become fineness, and each then that above grinding is good component is carried out mechanically mixing and promptly made phase-transition heat-preserving putty.
Performance index: (adopting 1500 gram phase-transition heat-preserving putty)
Group number water/g denseness application property grinability flexible adhesion intensity water regain density thermal conductivity
1 640 6.1 good easily polishings qualified 2.85 1.0 1.0736 0.236
2 730 6.1 good easily polishings qualified 2.42 0.8 0.9532 0.158
3 810 6.2 good easily polishings qualified 2.29 1.2 0.8825 0.152
Embodiment four
Phase-transition heat-preserving putty component is by weight percentage formed: activating and regenerating concrete micro mist 38%; Water-ground limestone 6 %; Talcum powder 3%; Quartz sand 18.5%; Alkaline residue 3%; Washing slurry 5%; Portland clinker 5%; Aluminium slag 3%; Polyoxyethylene glycol phase-changing energy storage material 12%; Swelling perlite powder 5%; Ether of cellulose 1.5%.
Described activating and regenerating concrete micro mist is that the particle diameter that produces in the regeneration concrete coarse aggregate production process forms less than activated processing of 0.23mm pellet and ball milling, ball milling to specific surface area greater than 450mm
2/ kg.
The activating treatment process of activating and regenerating concrete micro mist, concrete steps comprise:
(1) be that mechanical mill mixes with the particle diameter that produces in the regeneration concrete coarse aggregate production process less than 0.23mm pellet and lime mechanical activation, wherein lime intermingled quantity be the mixture gross weight 5% ~ 15%, the residue for described particle diameter less than the 0.23mm pellet, at room temperature be ground to and obtain the powder of grinding fineness less than 0.075mm;
(2) powder behind step (1) mechanical activation is placed on soaks 18 ~ 30 hours in the sodium aluminosilicate solution, dry, reheat to 900 ~ 950 ℃, be incubated 2 ~ 5 hours, naturally cool to room temperature again;
(3) be 1:0.8 ~ 1.5 normal temperature mixed grindings with the weight ratio with cooled material of step (2) and slag micropowder, the specific surface area that is ground to mixture satisfies greater than 450mm
2/ kg;
Described sodium aluminosilicate solution is the sodium silicoaluminate saturated solution;
Described sodium silicoaluminate saturated solution is that mass percent is that 5 ~ 15% sodium aluminosilicate solutions and zeolite powder are mixed to the saturated mixing solutions of zeolite powder.
The preparation method of phase-transition heat-preserving putty: it is 200 orders that each component grinding of phase-transition heat-preserving putty is become fineness, and each then that above grinding is good component is carried out mechanically mixing and promptly made phase-transition heat-preserving putty.
Performance index: (adopting 1500 gram phase-transition heat-preserving putty)
Group number water/g denseness application property grinability flexible adhesion intensity water regain density thermal conductivity
1 640 6.1 good easily polishings qualified 2.85 1.0 1.0836 0.236
2 730 6.2 good easily polishings qualified 2.38 0.9 0.9552 0.168
3 810 6.2 good easily polishings qualified 2.29 1.1 0.8725 0.142
Embodiment five
Phase-transition heat-preserving putty component is by weight percentage formed: activating and regenerating concrete micro mist 36%; Water-ground limestone 6%; Talcum powder 3%; Quartz sand 21.5%; Alkaline residue 3 %; Washing slurry 5%; Portland clinker 5%; Aluminium slag 3%; Wax phase change energy storage material 12%; Swelling perlite powder 5%; Defoamer 0.5%.
Described activating and regenerating concrete micro mist is that the particle diameter that produces in the regeneration concrete coarse aggregate production process forms less than activated processing of 0.23mm pellet and ball milling, ball milling to specific surface area greater than 450mm
2/ kg.
The activating treatment process of activating and regenerating concrete micro mist, concrete steps comprise:
(1) be that mechanical mill mixes with the particle diameter that produces in the regeneration concrete coarse aggregate production process less than 0.23mm pellet and lime mechanical activation, wherein lime intermingled quantity be the mixture gross weight 5% ~ 15%, the residue for described particle diameter less than the 0.23mm pellet, at room temperature be ground to and obtain the powder of grinding fineness less than 0.075mm;
(2) powder behind step (1) mechanical activation is placed on soaks 18 ~ 30 hours in the sodium aluminosilicate solution, dry, reheat to 900 ~ 950 ℃, be incubated 2 ~ 5 hours, naturally cool to room temperature again;
(3) be 1:0.8 ~ 1.5 normal temperature mixed grindings with the weight ratio with cooled material of step (2) and slag micropowder, the specific surface area that is ground to mixture satisfies greater than 450mm
2/ kg;
Described sodium aluminosilicate solution is the sodium silicoaluminate saturated solution;
Described sodium silicoaluminate saturated solution is that mass percent is that 5 ~ 15% sodium aluminosilicate solutions and zeolite powder are mixed to the saturated mixing solutions of zeolite powder.
The preparation method of phase-transition heat-preserving putty: it is 200 orders that each component grinding of phase-transition heat-preserving putty is become fineness, and each then that above grinding is good component is carried out mechanically mixing and promptly made phase-transition heat-preserving putty.
Performance index: (adopting 1500 gram phase-transition heat-preserving putty)
Group number water/g denseness application property grinability flexible adhesion intensity water regain density thermal conductivity
1 640 6.1 good easily polishings qualified 2.95 1.0 1.0826 0.226
2 730 6.2 good easily polishings qualified 2.38 0.7 0.8532 0.158
3 810 6.2 good easily polishings qualified 2.29 1.4 0.8725 0.142.
Claims (9)
1. phase-transition heat-preserving putty, it is characterized in that: it is made up of following components in weight percentage: activating and regenerating concrete micro mist 30 ~ 40%; Water-ground limestone 5 ~ 10 %; Talcum powder 3 ~ 5%; Quartz sand 15 ~ 25%; Alkaline residue 1 ~ 3 %; Washing slurry 3 ~ 5%; Portland clinker 3 ~ 5%; Aluminium slag 1 ~ 3%; Phase change material 8 ~ 12%; Swelling perlite powder 2 ~ 5%; Admixture 0.5 ~ 1.5%.
2. phase-transition heat-preserving putty according to claim 1 is characterized in that: it is made up of following components in weight percentage: activating and regenerating concrete micro mist 35 ~ 40%; Water-ground limestone 8 ~ 10 %; Talcum powder 3 ~ 5%; Quartz sand 18 ~ 22%; Alkaline residue 1 ~ 3 %; Washing slurry 3 ~ 4%; Portland clinker 3 ~ 5%; Aluminium slag 1 ~ 3%; Phase change material 8 ~ 10%; Swelling perlite powder 2 ~ 4%; Admixture 0.5 ~ 1%.
3. phase-transition heat-preserving putty according to claim 1 and 2, it is characterized in that: described activating and regenerating concrete micro mist is that the particle diameter that produces in the regeneration concrete coarse aggregate production process forms less than activated processing of 0.23mm pellet and ball milling, ball milling to specific surface area greater than 450mm
2/ kg.
4. phase-transition heat-preserving putty according to claim 1 and 2 is characterized in that: described admixture is a defoamer.
5. phase-transition heat-preserving putty according to claim 1 and 2 is characterized in that: described admixture is one or both in methyl cellulose ether and the ether of cellulose.
6. phase-transition heat-preserving putty according to claim 1 and 2 is characterized in that: described aluminium slag is the solid waste in the Aluminum Electrolysis Production process.
7. phase-transition heat-preserving putty according to claim 1 and 2 is characterized in that: described alkaline residue utilizes solvay soda process to produce the solid waste that produces in the soda ash process for system alkali enterprise.
8. phase-transition heat-preserving putty according to claim 1 and 2 is characterized in that: described washing slurry is that iron and steel enterprise carries out the solid waste that the slag hot application is handled generation.
9. phase-transition heat-preserving putty according to claim 1 and 2 is characterized in that: described phase change material be polyoxyethylene glycol phase-changing energy storage material and wax phase change energy storage material one or both.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310116973.7A CN103214893B (en) | 2013-04-07 | 2013-04-07 | Phase-change thermal insulation putty |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310116973.7A CN103214893B (en) | 2013-04-07 | 2013-04-07 | Phase-change thermal insulation putty |
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| CN103214893A true CN103214893A (en) | 2013-07-24 |
| CN103214893B CN103214893B (en) | 2015-04-08 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104987000A (en) * | 2015-07-08 | 2015-10-21 | 浙江大学宁波理工学院 | Ecological type regenerated fine aggregate phase transition and temperature adjustment mortar and preparation method thereof |
| CN107365121A (en) * | 2017-08-11 | 2017-11-21 | 中国科学院化学研究所 | Compound phase transformation putty of a kind of phase-change microcapsule of inorganic material coating and its preparation method and application |
| CN108239431A (en) * | 2017-12-29 | 2018-07-03 | 合肥候鸟新型材料有限公司 | Heat preservation putty |
| CN108529990A (en) * | 2018-06-29 | 2018-09-14 | 深圳市嘉达高科产业发展有限公司 | A kind of Thermal insulating putty for exterior wall of building and preparation method thereof |
| CN109384436A (en) * | 2017-08-14 | 2019-02-26 | 廊坊立邦涂料有限公司 | A kind of phase-change energy-storage temperature adjustment mortar and preparation method thereof |
| CN110776282A (en) * | 2019-11-18 | 2020-02-11 | 中南大学 | Preparation method of cement-based shape-stabilized phase change material |
| CN111592787A (en) * | 2020-05-28 | 2020-08-28 | 安徽工业大学 | Reinforcing-purifying-flame-retardant interior wall putty powder based on semidry desulfurization ash and preparation thereof |
| CN112480730A (en) * | 2020-12-24 | 2021-03-12 | 深圳市华威环保建材有限公司 | Regenerated water-resistant putty powder and application method thereof |
| CN115872673A (en) * | 2022-06-30 | 2023-03-31 | 上海力阳道路加固科技股份有限公司 | Energy-saving geopolymer-based building grouting material and preparation method thereof |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104987000A (en) * | 2015-07-08 | 2015-10-21 | 浙江大学宁波理工学院 | Ecological type regenerated fine aggregate phase transition and temperature adjustment mortar and preparation method thereof |
| CN104987000B (en) * | 2015-07-08 | 2017-12-15 | 浙江大学宁波理工学院 | Environmental recycled fine aggregate phase change temperature adjustment mortar and preparation method thereof |
| CN107365121A (en) * | 2017-08-11 | 2017-11-21 | 中国科学院化学研究所 | Compound phase transformation putty of a kind of phase-change microcapsule of inorganic material coating and its preparation method and application |
| CN109384436A (en) * | 2017-08-14 | 2019-02-26 | 廊坊立邦涂料有限公司 | A kind of phase-change energy-storage temperature adjustment mortar and preparation method thereof |
| CN108239431A (en) * | 2017-12-29 | 2018-07-03 | 合肥候鸟新型材料有限公司 | Heat preservation putty |
| CN108529990A (en) * | 2018-06-29 | 2018-09-14 | 深圳市嘉达高科产业发展有限公司 | A kind of Thermal insulating putty for exterior wall of building and preparation method thereof |
| CN110776282A (en) * | 2019-11-18 | 2020-02-11 | 中南大学 | Preparation method of cement-based shape-stabilized phase change material |
| CN111592787A (en) * | 2020-05-28 | 2020-08-28 | 安徽工业大学 | Reinforcing-purifying-flame-retardant interior wall putty powder based on semidry desulfurization ash and preparation thereof |
| CN111592787B (en) * | 2020-05-28 | 2022-01-14 | 安徽工业大学 | Reinforcing-purifying-flame-retardant interior wall putty powder based on semidry desulfurization ash and preparation thereof |
| CN112480730A (en) * | 2020-12-24 | 2021-03-12 | 深圳市华威环保建材有限公司 | Regenerated water-resistant putty powder and application method thereof |
| CN115872673A (en) * | 2022-06-30 | 2023-03-31 | 上海力阳道路加固科技股份有限公司 | Energy-saving geopolymer-based building grouting material and preparation method thereof |
| CN115872673B (en) * | 2022-06-30 | 2024-04-19 | 上海力阳道路加固科技股份有限公司 | Energy-saving geopolymer-based building grouting material and preparation method thereof |
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| CN103214893B (en) | 2015-04-08 |
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