CN103693932A - Geopolymer/waste rubber powder compound dry powder material and preparation method thereof - Google Patents
Geopolymer/waste rubber powder compound dry powder material and preparation method thereof Download PDFInfo
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- CN103693932A CN103693932A CN201310701158.7A CN201310701158A CN103693932A CN 103693932 A CN103693932 A CN 103693932A CN 201310701158 A CN201310701158 A CN 201310701158A CN 103693932 A CN103693932 A CN 103693932A
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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
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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Abstract
The invention discloses a geopolymer/waste rubber powder compound dry powder material and a preparation method thereof. The geopolymer/waste rubber powder compound dry powder material comprises a geopolymer dry powder material consisting of ground blast furnace slag powder body, pulverized fuel ash and solid water glass powder, and waste rubber powder. The preparation method comprises the step of compounding the geopolymer dry powder with the waste rubber powder to obtain the geopolymer/waste rubber powder compound dry powder material after uniformly mixing. The geopolymer/waste rubber powder compound dry powder material has the advantages that 1, the geopolymer/waste rubber powder compound dry powder material is simple preparation in process, easy to store, low in cost, low in energy consumption and free from pollution; 2, main raw materials comprise industrial residue and reclaimed rubber powder, are wide in sources, low in cost and easy to obtain; 3, the material can be applied to road engineering, constructional engineering, port engineering, military engineering and the like.
Description
Technical field:
The invention belongs to Materials science field of engineering technology.A kind of geopolymer/waste Crumb rubber composite dry powder material and preparation method thereof specifically.This technology both can digestion process waste rubber, can improve again the use properties of geopolymer.
Background technology:
Gelling material refers generally to powder process and water mix, has certain gelling, after the regular hour, can condense or curing material.For example, cement is exactly a class gelling material of current use range and usage quantity maximum.Geology polymer material is a kind of alkali excited cementing material, but most of alkali excites geopolymer to adopt water glass as exciting agent, is not easy to transportation and stores in use procedure.For this reason, prepare single-component geopolymer dry powder material, in use, only need to add water and just can use, use and store convenient.Thereby the present invention has very important significance.
Late 1970s, first the J.Davidovits of France proposes the concept of geology polymer material.This material has the hardness higher than macromolecular material, thermostability and resistance of oxidation, but toughness is not as good as organic polymer; Compare with stupalith, the structure of geopolymer is the continuous three-dimensional network framework forming with closed chain, there are two kinds of structures of " quasi-crystalline " and vitreous state, there is not crystal and crystal boundary completely, the properties of material comes from [-Si-O-Al-O-] n skeleton, the performance of geopolymer and ceramic-like like but do not need sinter molding.Compare with cement material, the extent of polymerization of geopolymer is higher, after reaction, there is oxide compound three-dimensional net structure, at high temperature also can keep network structure complete, thereby geopolymer has the intensity higher than cement, hardness, toughness, water tolerance, high-temperature stability and frost resistance.
At present, the waste rubber day by day increasing provides the macromolecule raw material being easy to get of a kind of lightweight, low elastic modulus, is the toughness reinforcing new approaches that provide of geopolymer.Rubber has the advantages such as lightweight, excellent spring, it belongs to thermoset copolymer material, utmost point difficult degradation under natural condition, the source of waste rubber powder mainly comprises discarded tire, band, pipe, industrial rubber articles and rubber plant's waste material etc., no matter waste rubber is piled up and to be buried or to burn, all can cause contaminate environment, waste energy in degree not, or land occupation.Waste rubber proportion in solid waste total amount is less, the subject matter that solid waste is processed really.Along with the industrialized acceleration of China, within 2010, China's automobile pollution reaches 7,000 ten thousand, nearly 200,000,000 of damaged tires.How to process waste rubber, reduce environmental pollution, efficent use of resources becomes recent popular research topic.
At present, waste rubber has certain application in bituminous concrete pavement both at home and abroad, but the complicated construction technique of Crumber rubber modified asphalt, the amount of digestibility and utilization is fewer.Traditional rubberized concrete material belongs to semi-rigid material, rubber grain mixes the concrete pavement performance research of water-setting, improved the utilization of waste rubber powder, but the interfacial adhesion of rubber grain and cement matrix need to improve, and has affected the application of rubber grain cement concrete in road engineering.
Patent of invention (publication number: CN1528815A, CN101519293A, CN102924939A) discloses respectively a kind of in-situ modified modified waste rubber powder compound material and preparation method thereof, rubber cement soil and preparation method thereof, a kind of waste tire rubber powder is filled plastic-wood section and preparation method thereof.These are all to a certain extent for the processing of waste rubber provides Research Thinking and treatment process.But for the waste rubber treatment capacity day by day increasing, these methods or apply in practice limitedly, more more advanced treatment processs are urgently studied.
Summary of the invention:
The present invention, in order to overcome the defect of prior art, provides a kind of geopolymer/waste Crumb rubber composite dry powder material and preparation method thereof.Geopolymer prepared by employing industrial residue, as main raw material, by admixture waste Crumb rubber, has obtained early stage high strength, geopolymer/waste Crumb rubber dry powder material that erosion resistance is good, frost resistance is good.
The technical scheme that the present invention solves the problems of the technologies described above is as follows:
1. geopolymer/waste Crumb rubber composite dry powder material is comprised of levigate blast-furnace slag powder, flyash and solid water glass powder geopolymer dry powder material and waste Crumb rubber form.
Described levigate blast-furnace slag powder and flyash are by market purchasing.Described solid water glass powder is that modulus is 1.8～2.0 industrial potash water glass or the dry pressed powder forming of sodium silicate process spraying, and its fineness is greater than 60 orders, and water content is less than mass percent 25%.Described waste Crumb rubber forms by waste rubber tire is machined, and granularity is waste rubber powder more than 10 orders.
The mass ratio of described geopolymer dry powder material and waste Crumb rubber is 100: 5～50.
Wherein, in geopolymer dry powder material, the mass fraction of levigate blast-furnace slag, flyash and solid water glass powder is composed as follows:
Levigate blast-furnace slag powder: 60～100 parts;
Flyash: 0～40 part;
Solid water glass powder be levigate blast-furnace slag powder and flyash total mass and 10%～30%.
2. the preparation method of geopolymer/waste Crumb rubber composite dry powder material:
Geopolymer dry powder material and waste Crumb rubber that geopolymer/waste Crumb rubber composite dry powder material is comprised of levigate blast-furnace slag powder, flyash and solid water glass powder form.Concrete preparation method and using method are as follows:
The preparation of geopolymer/waste Crumb rubber composite dry powder material:
Described geopolymer/modified waste rubber powder compound material is comprised of according to mass ratio 100: 5～50 ratios geopolymer dry powder material and waste Crumb rubber, and preparation process is as follows:
1) geopolymer dry powder material is mixed by levigate ground granulated blast furnace slag, flyash and solid water glass powder, and it is as follows that components in mass portion is counted proportioning:
Levigate blast-furnace slag powder: 60～100 parts;
Flyash: 0～40 part;
Solid water glass powder be levigate blast-furnace slag powder and flyash total mass and 10%～30%.
2) load weighted levigate blast-furnace slag powder, flyash mixed powder are mixed by quality proportioning with solid water glass powder, in powder stirrer, stir homogenizing after 30 minutes, after packing, sealing, become geopolymer dry powder stand-by.
3) take step 2) 100 parts, the geopolymer dry powder prepared, 2～50 parts of waste Crumb rubbers stirred the two homogenizing after 30 minutes in powder stirrer, after packing, sealing, became geopolymer/waste Crumb rubber composite dry powder material.
3. the using method of geopolymer/waste Crumb rubber composite dry powder material is as follows:
According to water and geopolymer/waste Crumb rubber composite dry powder material weight ratio, be 0.15～0.25 weighing water, water and geopolymer/waste Crumb rubber composite dry powder material mixing is even, after stirring, can apply.
Advantage of the present invention:
1. geopolymer dry powder material preparation technology of the present invention is simple, easily stores, cost is low, energy consumption is low, green non-pollution.
2. the present invention adopts industrial residue as main raw material, widely distributed all over the world, cheap being easy to get.
3. because waste Crumb rubber has good toughness, can obviously improve the fragility of geology polymer material.
Embodiment
Below in conjunction with embodiment, the invention will be further described.
As follows according to the concrete embodiment of different purposes:
Embodiment 1
Geopolymer/waste Crumb rubber composite dry powder material and preparation method and using method for road repair:
1. proportioning raw materials:
Geopolymer dry powder material proportioning following (pressing massfraction):
Levigate blast-furnace slag: 90 parts; 10 parts, flyash; Modulus is 20 parts of 1.9 solid potash water glasss.
Geopolymer/waste Crumb rubber composite dry powder material mixture ratio following (pressing massfraction):
100 parts of geopolymer dry powder materials; 50 parts of waste Crumb rubbers.
2. concrete preparation method and use are as follows:
(1) the solid potash water glass powder that is 1.9 by slag, flyash with modulus mixes by design proportion, stirs homogenizing stand-by after 30 minutes in powder stirrer.
(2) 100 parts, the geopolymer dry powder of step (1) preparation is mixed with 50 parts of waste Crumb rubbers, in powder stirrer, stir homogenizing after 30 minutes, packed for standby use.
(3) while using, according to water-solid ratio, be 0.20 to add water, after stirring, get final product construction application.
Embodiment 2
Geopolymer/waste Crumb rubber composite dry powder material and preparation method and using method for engineering first-aid repair:
1. proportioning raw materials:
Geopolymer dry powder material proportioning following (pressing massfraction):
Levigate blast-furnace slag: 100 parts; 0 part, flyash; Modulus is 30 parts of 1.8 solid sodium silicates.
Geopolymer/waste Crumb rubber composite dry powder material mixture ratio following (pressing massfraction):
100 parts of geopolymer dry powder materials; 20 parts of waste Crumb rubbers.
2. concrete preparation method and use are as follows:
(1) the solid sodium silicate powder that is 1.8 by slag, modulus mixes by design proportion, stirs homogenizing stand-by after 30 minutes in powder stirrer;
(2) 100 parts, the geopolymer dry powder of step (1) preparation is mixed with 20 parts of waste Crumb rubbers, in powder stirrer, stir homogenizing after 30 minutes, packed for standby use.
(3) while using, according to water-solid ratio, be 0.25 to add water, after stirring, get final product construction application.
Embodiment 3
Geopolymer/waste Crumb rubber composite dry powder material and preparation method and using method for the preparation of concrete material:
1. proportioning raw materials:
Geopolymer dry powder material proportioning following (pressing massfraction):
Levigate blast-furnace slag: 60 parts; 40 parts, flyash; Modulus is 10 parts of 2.0 solid sodium silicates.
Geopolymer/waste Crumb rubber composite dry powder material mixture ratio following (pressing massfraction):
100 parts of geopolymer dry powder materials; 5 parts of waste Crumb rubbers.
2. concrete preparation method and use are as follows:
(1) the solid sodium silicate powder that is 1.8 by slag, flyash with modulus mixes by design proportion, stirs homogenizing stand-by after 30 minutes in powder stirrer;
(2) 100 parts, the geopolymer dry powder of step (1) preparation is mixed with 5 parts of waste Crumb rubbers, in powder stirrer, stir homogenizing after 30 minutes, packed for standby use.
(3) while using, according to water-solid ratio, be 0.15 to add water, after stirring, can be used for concrete preparation.
Claims (3)
1. geopolymer/waste Crumb rubber composite dry powder material, is characterized in that: the geopolymer dry powder material and the waste Crumb rubber that levigate blast-furnace slag powder, flyash and solid water glass powder, consist of form:
Described levigate blast-furnace slag powder and flyash are by market purchasing; Described solid water glass powder is that modulus is 1.8～2.0 industrial potash water glass or the dry pressed powder forming of sodium silicate process spraying, and its fineness is greater than 60 orders, and water content is less than mass percent 25%; Described waste Crumb rubber forms by waste rubber tire is machined, and granularity is waste rubber powder more than 10 orders;
The mass ratio of described geopolymer dry powder material and waste Crumb rubber is 100: 5～50,
Wherein, in geopolymer dry powder material, the mass fraction of levigate blast-furnace slag, flyash and solid water glass powder is composed as follows:
Levigate blast-furnace slag powder: 60～100 parts;
Flyash: 0～40 part;
Solid water glass powder be levigate blast-furnace slag powder and flyash total mass and 10%～30%.
2. the preparation method of geopolymer/waste Crumb rubber composite dry powder material, it is characterized in that, geopolymer dry powder material and waste Crumb rubber that geopolymer/waste Crumb rubber composite dry powder material is comprised of levigate blast-furnace slag powder, flyash and solid water glass powder form, and concrete preparation method is as follows:
The preparation of geopolymer/waste Crumb rubber composite dry powder material:
Described geopolymer/modified waste rubber powder compound material is comprised of according to mass ratio 100: 5～50 ratios geopolymer dry powder material and waste Crumb rubber, and preparation process is as follows:
1) geopolymer dry powder material is mixed by levigate ground granulated blast furnace slag, flyash and solid water glass powder, and it is as follows that components in mass portion is counted proportioning:
Levigate blast-furnace slag powder: 60～100 parts;
Flyash: 0～40 part;
Solid water glass powder be levigate blast-furnace slag powder and flyash total mass and 10%～30%;
2) load weighted levigate blast-furnace slag powder, flyash mixed powder are mixed by quality proportioning with solid water glass powder, in powder stirrer, stir homogenizing after 30 minutes, after packing, sealing, become geopolymer dry powder stand-by;
3) take step 2) 100 parts, the geopolymer dry powder prepared, 2～50 parts of waste Crumb rubbers stirred the two homogenizing after 30 minutes in powder stirrer, after packing, sealing, became geopolymer/waste Crumb rubber composite dry powder material.
3. the using method of geopolymer/waste Crumb rubber composite dry powder material, its feature is as follows: this geopolymer/waste Crumb rubber composite dry powder materials'use method is as follows: according to water and geopolymer/waste Crumb rubber composite dry powder material weight ratio, be 0.15～0.25 weighing water, water and geopolymer/waste Crumb rubber composite dry powder material mixing is even, after stirring, can apply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310701158.7A CN103693932A (en) | 2013-12-17 | 2013-12-17 | Geopolymer/waste rubber powder compound dry powder material and preparation method thereof |
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| CN201310701158.7A CN103693932A (en) | 2013-12-17 | 2013-12-17 | Geopolymer/waste rubber powder compound dry powder material and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105946110A (en) * | 2016-04-27 | 2016-09-21 | 广东工业大学 | Method for relieving uneven distribution of rubber in modified rubber mortar material |
| CN109384447A (en) * | 2018-12-06 | 2019-02-26 | 中国矿业大学 | Face in a kind of open coal mine hole and builds roadbase powder curing agent and its application method |
| CN110950584A (en) * | 2019-12-23 | 2020-04-03 | 中建西部建设新疆有限公司 | Silica fume/volcanic ash based geopolymer concrete and preparation method thereof |
| CN111548068A (en) * | 2020-05-18 | 2020-08-18 | 福州大学 | Single component recycled polymer cement concrete |
| CN112125584A (en) * | 2020-09-18 | 2020-12-25 | 湖北工业大学 | Preparation method of low-hydration-heat green self-leveling concrete |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105946110A (en) * | 2016-04-27 | 2016-09-21 | 广东工业大学 | Method for relieving uneven distribution of rubber in modified rubber mortar material |
| CN105946110B (en) * | 2016-04-27 | 2018-07-27 | 广东工业大学 | Improve the method that rubber is unevenly distributed in modified rubber mortar class material |
| CN109384447A (en) * | 2018-12-06 | 2019-02-26 | 中国矿业大学 | Face in a kind of open coal mine hole and builds roadbase powder curing agent and its application method |
| CN110950584A (en) * | 2019-12-23 | 2020-04-03 | 中建西部建设新疆有限公司 | Silica fume/volcanic ash based geopolymer concrete and preparation method thereof |
| CN110950584B (en) * | 2019-12-23 | 2021-12-07 | 中建西部建设新疆有限公司 | Silica fume/volcanic ash based geopolymer concrete and preparation method thereof |
| CN111548068A (en) * | 2020-05-18 | 2020-08-18 | 福州大学 | Single component recycled polymer cement concrete |
| CN112125584A (en) * | 2020-09-18 | 2020-12-25 | 湖北工业大学 | Preparation method of low-hydration-heat green self-leveling concrete |
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Application publication date: 20140402 |