CN107089815A - Thin layer cracking resistance masonry mortar prepared by a kind of utilization granite stone powder - Google Patents
Thin layer cracking resistance masonry mortar prepared by a kind of utilization granite stone powder Download PDFInfo
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- CN107089815A CN107089815A CN201710399164.XA CN201710399164A CN107089815A CN 107089815 A CN107089815 A CN 107089815A CN 201710399164 A CN201710399164 A CN 201710399164A CN 107089815 A CN107089815 A CN 107089815A
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- Prior art keywords
- galapectite
- thin layer
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- stone powder
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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
- C04B28/02—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 hydraulic cements other than calcium sulfates
- C04B28/10—Lime cements or magnesium oxide cements
-
- 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
- C04B20/1048—Polysaccharides, e.g. cellulose, or derivatives thereof
-
- 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
- C04B2111/34—Non-shrinking or non-cracking materials
- C04B2111/343—Crack resistant materials
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Aftertreatments Of Artificial And Natural Stones (AREA)
Abstract
The invention belongs to building material field, and in particular to cracking resistance thin layer masonry mortar prepared by a kind of utilization granite stone powder.The mortar is made up of the raw material of the following meter of fraction by weight：Granite stone powder 40% ~ 60%, cement 18% ~ 30%, super finely ground slag 15% ~ 25%, quick lime 4% ~ 6%, modified galapectite toughening material 2 ~ 5%, polymer glue powder 0.5 ~ 1%, calcium chloride 0.03 ~ 0.05%, high efficiency water reducing agent 0.02 ~ 0.04%；Each raw material weight fraction sum is 100% above.The mortar has the advantages that high-moisture-retention, caking property be strong, workability is good simultaneously, and the dry method thin layer of the steam pressurized cement mortar building block of the high accuracy that is particularly suitable for use in is built by laying bricks or stones, and the overall performance of wall and the flatness of wall basic unit can be greatly improved.
Description
Technical field
The invention belongs to building material field, and in particular to cracking resistance thin layer prepared by a kind of utilization granite stone powder builds sand by laying bricks or stones
Slurry.
Background technology
With the development of building stone processing industry, stone material production, consumption and the outlet that China has turned into the biggest in the world are big
State, stone mining, process produce waste stone powder it is also increasing, be piled into mountain, cause serious environmental pollution and ask
Topic, while reversely govern the sustainable development of stone material industry.It is existing both at home and abroad much to grind on the comprehensive utilization of waste stone powder
Study carefully, the research in terms of mainly making ceramics, sheet material, coating and stone dust brick with waste stone powder（Liang Yueqing, allows waste stone powder to become
For building material [J] Fujian building materials, 2006 (1):9-11.）, and make thin layer masonry mortar with it and rarely have research.Due to flower
Hilllock Rock Powder is ultra-fine and lacks activity, and utilization rate is extremely low in cement mortar and mortar production, how dexterously to utilize granite
The proximity of the fineness and stone flour of powder and building block material develops thin layer masonry mortar, turns waste into wealth, and is asking of compeling highly necessary to solve
Topic.
Simultaneously as the addition of waste stone powder, the cracking resistance and toughness for causing cement mortar is reduced, for this reason, it may be necessary to enter
Row toughness reinforcing, toughening material of the present invention is with modified galapectite, using the modification galapectite and hydroxyethyl cellulose that toughness reinforcing efficiency is excellent,
By multi-step surface modification reaction, two kinds of toughening materials are effectively combined, so as to form a kind of unique composite toughening system.
The modification galapectite prepared can be fully dispersed in cement mortar, effectively plays the effect of material coordination plasticizing, assigns cement
The good toughness of mortar, isotropism, fatigue resistance, are a kind of high-performance water cement mortar toughening materials.
In summary, natural sand or Machine-made Sand production thin layer masonry mortar is replaced to have completely using granite stone powder huge
Market potential, both realized the recycling of waste stone powder, the production of thin layer masonry mortar promoted again, is efficiently solved
Steam pressurized cement mortar building block and the matching problem of mortar.
The content of the invention
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to which it is thin to provide a kind of cracking resistance of utilization granite stone powder preparation
Layer masonry mortar, it has the advantages that simultaneously, and high-moisture-retention, caking property be strong, workability is good, and be particularly suitable for use in high-precision steam
The dry method thin layer of pressure air entraining cement mortar building block is built by laying bricks or stones, and the overall performance of wall and the flatness of wall basic unit can be greatly improved.
To achieve the above object, the present invention is adopted the following technical scheme that：
Cracking resistance thin layer masonry mortar prepared by a kind of utilization granite stone powder, is made up of the raw material of the following meter of fraction by weight：Flower
Hilllock Rock Powder 40% ~ 60%, cement 18% ~ 30%, super finely ground slag 15% ~ 25%, quick lime 4% ~ 6%, modified galapectite toughening material 2 ~
5%, polymer glue powder 0.5 ~ 1%, calcium chloride 0.03 ~ 0.05%, high efficiency water reducing agent 0.02 ~ 0.04%；Each raw material weight fraction of the above
Sum is 100%.
The granite stone powder is the waste stone powder produced by processing of stone factory, and particle diameter is 0.01 ~ 0.08mm.
The super finely ground slag is lead zinc pulverized powder, and particle diameter is 0.01 ~ 0.08mm.
The polymer glue powder is VeoVa redispersible latex powders, but is not limited only to the species rubber powder.
The high efficiency water reducing agent dense type (Na in being2SO4Content 3wt% ~ 10wt%) naphthalene water reducer.
Due to the application of above-mentioned technical proposal, the present invention has following advantages compared with prior art：
The present invention is combined alternate glue using three kinds of the later stage of the early stage of rubber powder, the mid-term of cement and stone flour activation super finely ground slag
Solidifying effect, and ensure by adding water reducer resistance to compression and the adhesion strength of masonry mortar.In addition, utilizing modified galapectite toughness reinforcing
Material, rubber powder, calcium chloride, high efficiency water reducing agent and lime water metaplasia are into Ca (OH)2Compound action increase mortar water-retaining property
And reduce contraction.
Granite stone powder thin layer masonry mortar of the present invention largely make use of discarded object granite stone powder and super finely ground slag,
Recycling not only is realized to discarded object, production cost is reduced from raw material, and alleviates construction and asked with sand anxiety
Topic.At the same time, the use of thin layer mortar reduces unit mortar, and not only synthesis reduces cost, and building mortar layer
Thickness realizes the perfect adaptation with steam pressurized cement mortar building block in below 5mm, greatly improves the overall self-heat conserving of wall
Performance.In addition, mortar has high-moisture-retention, caking property strong and workability is good, dry construction can be carried out, not only need not be in advance
Steam pressurized cement mortar building block watering is handled, and reduces plastering on inner walls and exterior-wall heat insulation program, it is only necessary to one of putty
Criticize to apply and carry out facing protection, hence it is evident that shorten construction period and overall progress.
The preparation method of modified galapectite toughening material, comprises the following steps：
1）The galapectite and thionyl chloride of activated processing are dispersed in organic solvent J, 5-12 h are stirred at 30-50 DEG C
Afterwards, in ultrasound 8-12 h at 60-80 DEG C in 20 kHz, 100 KW supersonic wave cleaning machine, then with 3500-5000 rpm
Rotating speed centrifugation 20-30 min, after separating solid and being cleaned through organic solvent K, then be dried in vacuo at 30-40 DEG C 24-48 h；
2）Will be through step 1）Galapectite, difunctional organic compound and 3- picolines after processing are mixed in organic solvent J
Close, stirred at 40-50 DEG C after 3-12 h, under nitrogen protection, in 20 kHz, 100 KW supersonic wave cleaning machine in 80-
At 90 DEG C after ultrasonic reaction 5-8 h, 3- picolines and organic solvent J are evaporated off, then after blended solvent L is cleaned, in 10-20
24-36 h are dried in vacuo at DEG C；
3）Will be through step 2）Galapectite and Cyanuric Chloride after processing are mixed in tetrahydrofuran, and 12-24 is stirred at 0-10 DEG C
H, in after ultrasound 2-6 h at 0-10 DEG C in 20 kHz, 100 KW supersonic wave cleaning machine, then at 0-10 DEG C reacts 30-
After 72 h, cleaned through tetrahydrofuran, 24-48 h are dried in vacuo at 10-15 DEG C；
4）Will be through step 3）After galapectite after processing dissolves in 1-METHYLPYRROLIDONE, it is added to and is dissolved with hydroxy ethyl fiber
In the pyridine solution of element, 3-10 h are stirred at 10-20 DEG C, in 10-20 DEG C in 40 kHz, 200 KW supersonic wave cleaning machine
Lower ultrasonic 1-3 h, are warming up to after 40-60 DEG C of isothermal reaction 24-48 h under nitrogen protection, then to be warming up to 83-95 DEG C of constant temperature anti-
24-48 h are answered, solvent is evaporated off, after being eluted with water, obtain being modified galapectite product after being dried in vacuo 24-48 h at 50 DEG C.
Above-mentioned steps 1）In activated processing galapectite consumption be 1-20 kg, thionyl chloride consumption be 5-50 kg；Have
Machine solvent J consumptions are 30-200 L.
Above-mentioned steps 1）In organic solvent J be dimethylbenzene, 1-METHYLPYRROLIDONE or N, in N '-dimethyl formamide
It is a kind of.
Above-mentioned steps 1）In organic solvent K be one kind in tetrahydrofuran or acetone.
Above-mentioned steps 2）In galapectite consumption be 3-20 kg, difunctional organic compound consumption be 1-5 kg, 3- first
Yl pyridines consumption is 1-5 L, and organic solvent J consumptions are 50-200 L.
Above-mentioned steps 2）In difunctional organic compound be ethylene glycol and 1,3- propane diols in one kind.
Above-mentioned steps 2）In mixed solvent L be made up of ethanol, acetone and water, the wherein volume ratio of ethanol, acetone and water
For 3:1:6.
Above-mentioned steps 3）In galapectite consumption be 2-18 kg, Cyanuric Chloride consumption be 0.5-5 kg, tetrahydrofuran consumption
For 50-200 L.
Above-mentioned steps 4）In galapectite consumption be 2-15 kg, 1-METHYLPYRROLIDONE consumption be 50-260 L, ethoxy
Cellulose consumption is 1-5 kg, and pyridine consumption is 20-80 L.
Above-mentioned steps 4）In hydroxyethyl cellulose viscosity average molecular weigh be 5000-30000, substitution value is 0.5-2.5.
In above-mentioned steps 1）Increase the activation process step of galapectite before：
（1）Galapectite is taken, is handled through mechanical crushing and uses 400 mesh sieves stand-by after selecting；
（2）Each stainless steel ball for loading 55 a diameter of 5 mm and 50 a diameter of 10 in two L nylon tanks of identical 12
Mm stainless steel ball, is then respectively adding through step（1）The kg of galapectite 5 after processing, then the anhydrous second of 500 ml is added dropwise respectively
Alcohol, and sealed with nylon lid；Two ball grinders are symmetrically put into planetary ball mill, are 300 rpm and every 60 in rotating speed
Under conditions of minute automatic conversion direction of rotation after ball milling 45-50 h, be chopped angstrom Lip river of the average length for 180-200 nm is obtained
Stone；
（3）Take step（2）It is the water-soluble of the Tween 40 that 8, concentration is 12 wt% to handle obtained chopped galapectite and be added to pH
Ultrasonic 20 h in liquid, filtering is stand-by after 24 h in being dried in vacuo at 65-67 DEG C after being eluted with water.
Described galapectite is commercially available, its main specifications：Character：White powder；Density：2.4-2.5g/cm3；Constitute into
Point：SiO2：58.23、Al2O3：40.96、Fe2O3：0.34、TiO2：0.15、P2O5：0.14；Pipe external diameter：40-60 nm；Bore：
15-20 nm；Length：<1.1 μm；Specific surface area：52.6 m2/g。
Described Tween 40 (CAS No. 9005-66-7) is commercially available, its main specifications：Character：Amber oily liquid
Body；Acid number (KOHmg/g)：≤2.0；Hydroxyl value (KOHmg/g)：85-100；HLB value：15.5；Saponification number (KOHmg/g)：40-55；
Moisture content (%)：≤2.5.
Compared with the prior art, technical scheme has the advantages that：
1）Cement mortar toughness reinforcing provided by the present invention is environmentally friendly with modified galapectite, has good disperse in water
Property；The preparation condition of the modification galapectite is readily satisfied, and raw material sources are abundant, and cost is relatively low；
2）The cement mortar toughness reinforcing of the present invention is fine using the excellent modification galapectite of toughness reinforcing efficiency and ethoxy with modified galapectite
Dimension element, by multi-step surface modification reaction, two kinds of toughening materials is effectively combined, so as to form a kind of unique composite toughening
System.The modification galapectite prepared can be fully dispersed in cement mortar, effectively plays the effect of material coordination plasticizing, assigns
Give cement mortar that integrally there is good toughness, isotropism, fatigue resistance, be a kind of high-performance water cement mortar toughening material.
Embodiment
Technical scheme is further discussed in detail below in conjunction with specific embodiment, but the protection model of the present invention
Enclose and be not limited thereto.
Embodiment 1
Cracking resistance thin layer masonry mortar prepared by a kind of utilization granite stone powder, is made up of the raw material of the following meter of fraction by weight：Flower
Hilllock Rock Powder 56%, cement 20%, super finely ground slag 16%, quick lime 5%, modified galapectite toughening material 2.43%, polymer glue powder
0.5%, calcium chloride 0.05%, high efficiency water reducing agent 0.02%.
The preparation method of modified galapectite toughening material, comprises the following steps：
1）The kg of galapectite 20 of activated processing and the kg of thionyl chloride 30 are dispersed in 100 L dimethylbenzene, stirred at 40 DEG C
Mix after 8 h, in ultrasonic 10 h at 70 DEG C in 20 kHz, 100 KW supersonic wave cleaning machine, then with 4000 rpm rotating speed
Centrifuge 25 min, after separating solid and being cleaned through tetrahydrofuran, then be dried in vacuo at 35 DEG C 32 h；
2）Will be through step 1）The kg of galapectite 20, kg the and 3- picolines 3L of ethylene glycol 3 after processing are mixed in 100 L dimethylbenzene
Close, stirred at 45 DEG C after 8 h, under nitrogen protection, in 20 kHz, 100 KW supersonic wave cleaning machine at 85 DEG C surpass
After the h of phonoresponse 6,3- picolines and dimethylbenzene are evaporated off, then after blended solvent L is cleaned, 30 h are dried in vacuo at 15 DEG C；
3）Will be through step 2）The kg of galapectite 18 and the kg of Cyanuric Chloride 3 after processing are mixed in 100 L tetrahydrofurans, at 5 DEG C
16 h of lower stirring, in after ultrasonic 4 h at 5 DEG C in 20 kHz, 100 KW supersonic wave cleaning machine, then react 45 h at 5 DEG C
Afterwards, cleaned through tetrahydrofuran, 36 h are dried in vacuo at 12 DEG C；
4）Will be through step 3）After the kg of galapectite 15 after processing dissolves in 200 L 1-METHYLPYRROLIDONEs, dissolving is added to
Have in 60 L pyridine solutions of 3kg hydroxyethyl celluloses, 8 h are stirred at 15 DEG C, cleaned in 40 kHz, 200 KW ultrasonic wave
In ultrasonic 2 h at 15 DEG C in machine, it is warming up under nitrogen protection after 50 DEG C of h of isothermal reaction 32, then be warming up to 90 DEG C of isothermal reactions
32 h, are evaporated off solvent, after being eluted with water, and are dried in vacuo at 50 DEG C after 36 h and obtain being modified galapectite product.
Surveyed performance indications are：Water retention 99.9%, compression strength 8.16（MPa）, adhesion strength 0.45（MPa）, shrinkage factor
0.14%。
Embodiment 2
Cracking resistance thin layer masonry mortar prepared by a kind of utilization granite stone powder, is made up of the raw material of the following meter of fraction by weight：Flower
Hilllock Rock Powder 50%, cement 24%, super finely ground slag 18%, quick lime 4%, modified galapectite toughening material 3%, polymer glue powder
0.92%, calcium chloride 0.05%, high efficiency water reducing agent 0.03%.
The preparation method of modified galapectite toughening material, comprises the following steps：
1）The kg of galapectite 20 of activated processing and the kg of thionyl chloride 30 are dispersed in 100 L dimethylbenzene, stirred at 40 DEG C
Mix after 8 h, in ultrasonic 10 h at 70 DEG C in 20 kHz, 100 KW supersonic wave cleaning machine, then with 4000 rpm rotating speed
Centrifuge 25 min, after separating solid and being cleaned through tetrahydrofuran, then be dried in vacuo at 35 DEG C 32 h；
2）Will be through step 1）The kg of galapectite 20, kg the and 3- picolines 3L of ethylene glycol 3 after processing are mixed in 100 L dimethylbenzene
Close, stirred at 45 DEG C after 8 h, under nitrogen protection, in 20 kHz, 100 KW supersonic wave cleaning machine at 85 DEG C surpass
After the h of phonoresponse 6,3- picolines and dimethylbenzene are evaporated off, then after blended solvent L is cleaned, 30 h are dried in vacuo at 15 DEG C；
3）Will be through step 2）The kg of galapectite 18 and the kg of Cyanuric Chloride 3 after processing are mixed in 100 L tetrahydrofurans, at 5 DEG C
16 h of lower stirring, in after ultrasonic 4 h at 5 DEG C in 20 kHz, 100 KW supersonic wave cleaning machine, then react 45 h at 5 DEG C
Afterwards, cleaned through tetrahydrofuran, 36 h are dried in vacuo at 12 DEG C；
4）Will be through step 3）After the kg of galapectite 15 after processing dissolves in 200 L 1-METHYLPYRROLIDONEs, dissolving is added to
Have in 60 L pyridine solutions of 3kg hydroxyethyl celluloses, 8 h are stirred at 15 DEG C, cleaned in 40 kHz, 200 KW ultrasonic wave
In ultrasonic 2 h at 15 DEG C in machine, it is warming up under nitrogen protection after 50 DEG C of h of isothermal reaction 32, then be warming up to 90 DEG C of isothermal reactions
32 h, are evaporated off solvent, after being eluted with water, and are dried in vacuo at 50 DEG C after 36 h and obtain being modified galapectite product.
Surveyed performance indications are：Water retention 99.9%, compression strength 9.96（MPa）, adhesion strength 0.56（MPa）, shrinkage factor
0.12%。
Above-mentioned material is proportionally added after being mixed evenly in mortar mixer, produce the premixing dry powder of the present invention
Thin layer masonry mortar.During practice of construction, according to ratio of water to material 3.5:It is that can be used that 3 ~ 5min is stirred in 1 water mixing.Through engineering measurement, example
The not only water-retaining property height of the granite stone powder thin layer masonry mortar of 1 ~ 3 gained, caking property are strong, and construction perpendicularity and flatness
It is very high, it can meet and save the thick plaster leveling layers of 22 ~ 25mm, directly smear 2mm crack-resistant layers or putty layer requirement, can save a large amount of
Labour cost and fee of material, substantially reduce the duration, project total cost can reduce by 10% or so.
The above described is only a preferred embodiment of the present invention, be not the limitation for making other forms to the present invention, it is all
It is, to any simple modification made for any of the above embodiments, equivalent variations and remodeling, to still fall within this according to technical spirit of the invention
The protection domain of inventive technique scheme.
Claims (8)
1. thin layer cracking resistance masonry mortar prepared by a kind of utilization granite stone powder, it is characterised in that：By the following meter of fraction by weight
Raw material composition：Granite stone powder 40% ~ 60%, cement 18% ~ 30%, super finely ground slag 15% ~ 25%, quick lime 4% ~ 6%, modified angstrom Lip river
Stone toughening material 2 ~ 5%, polymer glue powder 0.5 ~ 1%, calcium chloride 0.03 ~ 0.05%, high efficiency water reducing agent 0.02 ~ 0.04%；It is each above
Raw material weight fraction sum is 100%；
The preparation method of described modification galapectite toughening material comprises the following steps：
1）The galapectite and thionyl chloride of activated processing are dispersed in organic solvent J, 5-12 h are stirred at 30-50 DEG C
Afterwards, in ultrasound 8-12 h at 60-80 DEG C in 20 kHz, 100 KW supersonic wave cleaning machine, then with 3500-5000 rpm
Rotating speed centrifugation 20-30 min, after separating solid and being cleaned through organic solvent K, then be dried in vacuo at 30-40 DEG C 24-48 h；
2）Will be through step 1）Galapectite, difunctional organic compound and 3- picolines after processing are mixed in organic solvent J
Close, stirred at 40-50 DEG C after 3-12 h, under nitrogen protection, in 20 kHz, 100 KW supersonic wave cleaning machine in 80-
At 90 DEG C after ultrasonic reaction 5-8 h, 3- picolines and organic solvent J are evaporated off, then after blended solvent L is cleaned, in 10-20
24-36 h are dried in vacuo at DEG C；
3）Will be through step 2）Galapectite and Cyanuric Chloride after processing are mixed in tetrahydrofuran, and 12-24 is stirred at 0-10 DEG C
H, in after ultrasound 2-6 h at 0-10 DEG C in 20 kHz, 100 KW supersonic wave cleaning machine, then at 0-10 DEG C reacts 30-
After 72 h, cleaned through tetrahydrofuran, 24-48 h are dried in vacuo at 10-15 DEG C；
4）Will be through step 3）After galapectite after processing dissolves in 1-METHYLPYRROLIDONE, it is added to and is dissolved with hydroxy ethyl fiber
In the pyridine solution of element, 3-10 h are stirred at 10-20 DEG C, in 10-20 DEG C in 40 kHz, 200 KW supersonic wave cleaning machine
Lower ultrasonic 1-3 h, are warming up to after 40-60 DEG C of isothermal reaction 24-48 h under nitrogen protection, then to be warming up to 83-95 DEG C of constant temperature anti-
24-48 h are answered, solvent is evaporated off, after being eluted with water, obtain being modified galapectite toughness reinforcing material after being dried in vacuo 24-48 h at 50 DEG C
Material.
2. thin layer cracking resistance masonry mortar prepared by utilization granite stone powder according to claim 1, it is characterised in that：Step
1）The preparation method of the galapectite of described activation process is：
（1）Galapectite is taken, is handled through mechanical crushing and uses 400 mesh sieves stand-by after selecting；
（2）Each stainless steel ball for loading 55 a diameter of 5 mm and 50 a diameter of 10 in two L nylon tanks of identical 12
Mm stainless steel ball, is then respectively adding through step（2）The kg of galapectite 5 after processing, then the anhydrous second of 500 ml is added dropwise respectively
Alcohol, and sealed with nylon lid；Two ball grinders are symmetrically put into planetary ball mill, are 300 rpm and every 60 in rotating speed
Under conditions of minute automatic conversion direction of rotation after ball milling 45-50 h, be chopped angstrom Lip river of the average length for 180-200 nm is obtained
Stone；
（3）Take step（2）Obtained chopped galapectite is added in the aqueous solution that pH is the Tween 40 that 8, concentration is 12 wt%
20 h of ultrasound, filtering is stand-by after 24 h in being dried in vacuo at 65-67 DEG C after being eluted with water.
3. thin layer cracking resistance masonry mortar prepared by utilization granite stone powder according to claim 1 or 2, it is characterised in that：
Step 1）Described in organic solvent J be dimethylbenzene, 1-METHYLPYRROLIDONE or N, one kind in N '-dimethyl formamide, institute
The organic solvent K stated is one kind in tetrahydrofuran or acetone；Step 2）Described in mixed solvent L by ethanol, acetone and water
Composition, the wherein volume ratio of ethanol, acetone and water are 3:1:6.
4. thin layer cracking resistance masonry mortar prepared by utilization granite stone powder according to claim 1 or 2, it is characterised in that：
Step 1）In, the galapectite consumption of activated processing is 1-20 kg, and thionyl chloride consumption is 5-50 kg, organic solvent J consumptions
For 30-200 L.
5. thin layer cracking resistance masonry mortar prepared by utilization granite stone powder according to claim 1 or 2, it is characterised in that：
Step 2）In galapectite consumption be 3-20 kg, difunctional organic compound consumption be 1-5 kg, 3- picoline consumptions be
1-5 L, organic solvent J consumption are 50-200 L；Described difunctional organic compound is in ethylene glycol and 1,3- propane diols
One kind.
6. thin layer cracking resistance masonry mortar prepared by utilization granite stone powder according to claim 1 or 2, it is characterised in that：
Step 3）In galapectite consumption be 2-18 kg, Cyanuric Chloride consumption be 0.5-5 kg, tetrahydrofuran consumption be 50-200 L.
7. thin layer cracking resistance masonry mortar prepared by utilization granite stone powder according to claim 1 or 2, it is characterised in that：
Step 4）In galapectite consumption be 2-15 kg, 1-METHYLPYRROLIDONE consumption is 50-260 L, and hydroxyethyl cellulose consumption is
1-5 kg, pyridine consumption is 20-80 L.
8. thin layer cracking resistance masonry mortar prepared by utilization granite stone powder according to claim 1 or 2, it is characterised in that：
Step 4）Described in hydroxyethyl cellulose viscosity average molecular weigh be 5000-30000, substitution value is 0.5-2.5.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109503064A (en) * | 2018-11-14 | 2019-03-22 | 浙江建工创生建材科技有限公司 | A kind of mould proof antiseepage thin layer plastering mortar |
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| CN103058614A (en) * | 2013-01-25 | 2013-04-24 | 山东高阳建材有限公司 | Special thin anti-crack plastering mortar for autoclaved aerated concrete |
| KR20130055211A (en) * | 2011-11-18 | 2013-05-28 | 김용근 | Loess brick and loess mortar containing cone |
| CN105503074A (en) * | 2015-12-19 | 2016-04-20 | 天津裕丰源环保科技有限公司 | Waterproof waste-stone-powder dry-mixed mortar |
| CN105541200A (en) * | 2015-12-30 | 2016-05-04 | 中环建筑（福建）有限公司 | Sponge municipal high-strength high-toughness regenerated aggregate concrete and preparation method thereof |
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| CN103058614A (en) * | 2013-01-25 | 2013-04-24 | 山东高阳建材有限公司 | Special thin anti-crack plastering mortar for autoclaved aerated concrete |
| CN105503074A (en) * | 2015-12-19 | 2016-04-20 | 天津裕丰源环保科技有限公司 | Waterproof waste-stone-powder dry-mixed mortar |
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| CN109503064A (en) * | 2018-11-14 | 2019-03-22 | 浙江建工创生建材科技有限公司 | A kind of mould proof antiseepage thin layer plastering mortar |
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Application publication date: 20170825 |