CN101648797B - Self-leveling terrace powder mortar composition - Google Patents
Self-leveling terrace powder mortar composition Download PDFInfo
- Publication number
- CN101648797B CN101648797B CN 200910054067 CN200910054067A CN101648797B CN 101648797 B CN101648797 B CN 101648797B CN 200910054067 CN200910054067 CN 200910054067 CN 200910054067 A CN200910054067 A CN 200910054067A CN 101648797 B CN101648797 B CN 101648797B
- Authority
- CN
- China
- Prior art keywords
- parts
- weight
- zeolite
- powder
- mortar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
- C04B28/06—Aluminous 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
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/04—Silica-rich materials; Silicates
- C04B14/047—Zeolites
-
- 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
- C04B28/14—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 calcium sulfate cements
- C04B28/16—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 calcium sulfate cements containing anhydrite, e.g. Keene's cement
-
- 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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/06—Inhibiting the setting, e.g. mortars of the deferred action type containing water in breakable containers ; Inhibiting the action of active ingredients
- C04B40/0608—Dry ready-made mixtures, e.g. mortars at which only water or a water solution has to be added before use
-
- 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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/0004—Compounds chosen for the nature of their cations
- C04B2103/0006—Alkali metal or inorganic ammonium compounds
- C04B2103/0008—Li
-
- 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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/0045—Polymers chosen for their physico-chemical characteristics
- C04B2103/0059—Graft (co-)polymers
-
- 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
- C04B2111/2038—Resistance against physical degradation
-
- 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
- C04B2111/21—Efflorescence resistance
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/60—Flooring materials
- C04B2111/62—Self-levelling compositions
Landscapes
- 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)
- Civil Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention provides a self-leveling terrace powder mortar composite and the composite comprises the following components in parts by weight: 250-350 parts of ordinary silicate cement, 50-100 parts of aluminate cement, 250-550 parts of quartz sand, 50-250 parts of heavy calcium carbonate, 10-30 parts of anhydrite and 40-80 parts of zeolite graft re-dispersible emulsion powder. The invention adopts zeolitic inner hole adsorption principle to disperse zeolite evenly in mortar; solid zeolite is crosslinked with graft zeolite inside and outside; in the hydration process of silicate cement, the dense doping among anhydrite, heavy calcium carbonate and crosslinked zeolite changes the lattice of cement so as to ensure the stable long-term strength of mortar and eliminate the phenomenons such as the efflorescence of the self-leveling terrace mortar in later period, sand-stripping and cracking and the like; in addition, aluminum powder is added to increase the wearability and antishrinking property of the terrace mortar and the flexibility of the polymer is increased to improve the breaking strength of the mortar.
Description
Technical field
The present invention relates to dry powder mortar composition.
Background technology
Along with the high speed development of national economy, the capital construction of China is also flourish, and the construction of Important Project such as various large-scale stadiums is at the forefront in the world at present.In various large-scale construction projects, gravity flow level ground mortar is more and more paid attention at home as novel technology and novel material, has been widely used in square, large-scale stadium and the Road construction, as a type material extraordinary prospect is arranged.But gravity flow level ground mortar is the highest and the most complicated mortar of technical requirements in the mortar, and the stable performance of gravity flow level ground mortar at first will solve, and descends such as later strength, and the problems such as the whiting of mortar surface and sand fallout phenomenon also really are not resolved.The technological improvement of level ground mortar of flowing automatically recent years is more and more paid attention to, and has been widely used in the various capital constructions.The root problem of gravity flow level ground mortar is will solve later strength to descend the problems such as the whiting of mortar surface and sand fallout phenomenon.
Summary of the invention
The object of the present invention is to provide a kind of self-leveling terrace powder mortar composite, the defects that exists to overcome prior art.
Self-leveling terrace powder mortar composite of the present invention comprises the component of following weight part:
250～350 parts of ordinary Portland cements
50～100 parts of aluminate cements
250～550 parts of quartz sands
50～250 parts of water-ground limestones
10～30 parts of anhydrite
40～80 parts of zeolite grafting redispersable latex powders;
Preferably, also comprise:
10～20 parts of zeolite powders
6～15 parts of water reducers
2～4 parts of defoamers
1～3 part in tartrate
0.5～3 part of Quilonum Retard
1～3 part of ether of cellulose
1～3 part of aluminium powder
1～3 part of thixotroping lubricant
230 parts in water
Described zeolite grafting redispersable latex powder, made by the raw material of following parts by weight:
100 parts of the raw emulsions that zeolite grafting redispersable latex powder is used
4～20 parts of polyvinyl alcohol
3～20 parts in modified and light calcium carbonate
Preferred 88～90 % by mole of the alcoholysis degree of described polyvinyl alcohol, weight-average molecular weight is 3500～5000;
Described modified and light calcium carbonate is to be light calcium carbonate by stearic acid modified, and its preparation method comprises the steps: under 90 ℃ of conditions the stearic acid that dissolves to be sprayed in the light calcium carbonate dry powder, stirs 60 minutes in powder stirring machine; The weight ratio of stearic acid and light calcium carbonate is 1: 50.
The preparation method of the raw emulsion that said zeolite grafting redispersable latex powder is used comprises the steps:
A) be the zeolite powder of 0.5～1um with 5～10 weight part particle diameters, join in 30～40 weight parts waters, adding acid solution adjusting pH is 4～5, be warming up to 50～60 ℃, add again 1～3 weight part hydroxyethyl ethylcellulose and 0.5～3 part of weight-average molecular weight and be 3000～10000 polyvinylpyrrolidone, 2 weight part methacryloxypropyl triethoxyl silanes obtain kettle base solution;
B) with 10～30 weight parts (methyl) acrylate, 10～30 weight parts (methyl) vinylbenzene, 10～20 weight part tertiary ethylene carbonates, above-mentioned three components add up to 50 weight parts; Add again 1～2 weight part molecular weight regulator, 0.2～1 weight part reactive emulsifier, 0.2～1 weight part initiator and 10～20 weight parts waters, obtain 61.4～74 parts of mixed solutions;
C) with step b) 5～10 weight part mixed solutions, 0.1～1 weight part reactive emulsifier, 0.1～1 weight part initiator, join in the kettle base solution that step a) makes, under 75 ℃～90 ℃ conditions, reacted 30～60 minutes;
The parts by weight proportioning is as follows:
38.5～58 parts of step products a), step b) mixed solution is 5～10 parts, 0.1～1 part of reactive emulsifier, 0.1～1 part of initiator;
D) add again step b) remaining mixed solution, preferably in 2～3 hours, dropwise, reacted 60～120 minutes, add alkaline solution and regulate pH to 6～7.5, obtain the raw emulsion that zeolite grafting redispersable latex powder is used;
Described (methyl) acrylate is selected from methyl acrylate, ethyl propenoate, n-butyl acrylate, isobutyl acrylate, methyl methacrylate, β-dimethyl-aminoethylmethacrylate, n-BMA, methacrylic acid-2-ethylhexyl, 2-hydroxyethyl methacrylate or methacrylic acid-2-hydroxypropyl acrylate;
At least a in said molecular weight regulator selected from mercapto ethyl acetate, Thiovanic acid butyl ester, mercaptoethanol, 2 mercapto ethanol or the tert-dodecyl mercaptan;
Described reactive emulsifier is selected from least a in allyl polyethenoxy ether ammonium sulfate, allyl polyethenoxy ether or the vinyl Soxylat A 25-7;
At least a in described initiator potassium persulfate, Sodium Persulfate or the ammonium persulphate.
Prepare the method for described zeolite grafting redispersable latex powder, step is as follows:
The modified and light calcium carbonate of 100 weight part redispersable latex powder emulsions, pure and mild 3～20 weight parts of 4～20 weight account polyethylenes is mixed, stirred 10～30 minutes, then dry, can obtain zeolite grafting redispersable latex powder, preferably adopt spraying drying.
The strength grade of described ordinary Portland cement is preferably 42.5;
The aluminate cement that described aluminate cement namely defines according to standard GB/T 201-2000;
The particle diameter of described quartz sand is 70～140 orders;
The particle diameter of described water-ground limestone is 200～350 orders;
Described water reducer is selected from polycarboxylic acids dehydragent, for example the Jiangsu chemical company limited product that makes the country prosperous;
Described defoamer is selected from the organosilane defoamer, for example Yi Laitai company product;
Described ether of cellulose is selected from least a in TYLOSE 30000, methyl cellulose ether, cellulose ether or the hydroxyethyl ether cellulose, and preferable weight-average molecular weight is 2～40,000;
The chemical name of described thixotroping lubricant is layered silicate, adopts the commercially available prod, and for example: the north, the Shandong modern chemistry company limited trade mark is the product of FN70;
Other components can be used conventional commercially available prod, this area.
Self-leveling terrace powder mortar composite of the present invention adopts this area ordinary method preparation, and for example (but being not limited to) adopted and be prepared as follows method: in the time of 70 ℃, with each above-mentioned component, outside dewatering, mix and blend 30 minutes, make dry powder, then pack packing adds water again during use.
Self-leveling terrace powder mortar composite of the present invention has adopted zeolite grafting redispersable latex powder, utilize the principle of zeolite endoporus absorption, grafting by polyreaction makes organic polymer cover the bag zeolite surface, the organic polymer redispersion that covers the bag zeolite surface in sand-cement slurry becomes emulsion, zeolite disperses in the mortar equably, external crosslinking in solid zeolite and the grafting zeolite, in the aluminate cement hydration process, anhydrite, the tight doping of coarse whiting and crosslinked zeolite has changed the lattice of cement, make the mortar stable long-term strength, eliminated the whiting in gravity flow level ground mortar later stage, the generation of the phenomenons such as sand fallout cracking, the simultaneously adding of aluminium powder, improved wear resistance and the anti-contracility of terrace mortar, the snappiness of polymkeric substance has improved the folding strength of mortar.
Embodiment
Embodiment 1
The preparation of zeolite grafting redispersable latex powder:
A) calculate by weight, with 5 parts of zeolite powders (particle diameter is 0.5um), join in 40 parts of water, the aqueous acetic acid (together lower) that adds weight percent concentration 10% is regulated PH to 4, be warming up to 50 ℃, add again 1 part of hydroxyethyl ethylcellulose and 0.5 part of weight-average molecular weight and be 3000 polyvinylpyrrolidone, and 2 parts of methacryloxypropyl triethoxyl silanes are made kettle base solution;
B) with 10 parts of methyl methacrylates, 20 parts of (methyl) vinylbenzene, 20 parts of tertiary ethylene carbonates, 1 part of Thiovanic acid butyl ester is mixed and made into mix monomer, add again in 0.2 part of allyl polyethenoxy ether ammonium sulfate, 0.2 part of Potassium Persulphate and the 10 parts of water, be made into mixed solution;
C) get 5 portions of mixed solutions, 0.1 part of allyl polyethenoxy ether ammonium sulfate, 0.1 part of Potassium Persulphate, join a) in the kettle base solution that step is made, reaction is 30 minutes under 75 ℃ of conditions;
D) add again 56.4 parts remaining mixed solution, dropwise in 2 hours, reacted again 1 hour, the aqueous sodium hydroxide solution (together lower) that adds weight percent concentration 10% is regulated pH to 7.5, obtains the zeolite graft emulsion, and the solid content of emulsion is 48.3%, viscosity 220cps, pH are 6.3.Viscosity test uses the NDJ-1 rotational viscosimeter, and the 2# rotor is lower same.
Polyvinyl alcohol solution: 50 gram polyvinyl alcohol are added in the 250 gram water, be warming up to 90 ℃ of dissolvings, cool off for subsequent use; Raw emulsion, 16g polyvinyl alcohol solution and 13g modified and light calcium carbonate that 250g zeolite grafting redispersable latex powder is used stirred 10 minutes, make emulsion to be sprayed, the LPG-5 Highspeedcentrifugingandsprayingdrier that adopts Jiangsu model group drying plant factory to provide is treated sprayable emulsion and is carried out drying.The powder of gained filters by 100 eye mesh screens after dry, can obtain zeolite grafting redispersable latex powder.
Embodiment 2
The preparation of zeolite grafting redispersable latex powder emulsion:
A) calculate by weight, with 10 parts of zeolite powders (particle diameter is 1um), join in 40 parts of water, the adding weight concentration is 10% aqueous acetic acid adjusting PH to 5, be warming up to 50 ℃, add again 1 part of hydroxyethyl ethylcellulose and 0.5 weight-average molecular weight and be 5000 polyvinylpyrrolidone and 2 parts of methacryloxypropyl triethoxyl silanes;
B) 10 parts of β-dimethyl-aminoethylmethacrylates, 20 parts of vinyl toluenes, 20 parts of tertiary ethylene carbonates and 1 part of molecular weight regulator mercaptoethanol are mixed and made into mix monomer, get 50 parts of described mix monomers and add in 0.2 part of allyl polyethenoxy ether, 0.2 part of Sodium Persulfate and the 10 parts of water, be made into mixed solution;
C) get 5 portions of mixed solutions, 0.1 part of allyl polyethenoxy ether and 0.1 part of Sodium Persulfate, join a) in the kettle base solution that step is made, reaction is 30 minutes under 75 ℃ of conditions;
D) add remaining 56.4 parts mixed solution again, dropwise in 2 hours, reacted 1 hour again, add aqueous sodium hydroxide solution and regulate pH to 6, obtain the zeolite graft emulsion, the solid content of emulsion is 48.7%, and viscosity 248cps, pH are 7.1.
The preparation of re-dispersible emulsion powder for terrace mortar:
Polyvinyl alcohol solution: 50 gram polyvinyl alcohol are added in the 150 gram water, be warming up to 90 ℃ of dissolvings after, cool off for subsequent use; 1 67g zeolite grafting redispersable latex powder emulsion, 40g polyvinyl alcohol solution and 5g modified and light calcium carbonate are mixed, stir and made emulsion to be sprayed in 20 minutes, then the method according to embodiment 1 is prepared, and obtains zeolite grafting redispersable latex powder.
Embodiment 3
(42.5) 300 parts of ordinary Portland cements, 100 parts of aluminate cements, 140 parts of 400 parts of water-ground limestones of quartz sand (70～140 order) (200～350 order), 10 parts of anhydrite, 40 parts of the zeolite grafting redispersable latex powders of embodiment 1,10 parts of zeolite powders, 6 parts of (high-efficiency water-reducing agent of poly-carboxylic acid of water reducer, the Suzhou chemical building material company limited that makes the country prosperous, the product of trade mark SUNBOPC-1030, together lower), defoamer (Hangzhou Hai Chuan chemical inc, the trade mark is the product of D-801, lower with) 2 parts, 1 part in tartrate, 0.5 part of Quilonum Retard, 1 part of TYLOSE 30000 (20,000 molecular weight), 1 part of aluminium powder, 1 part of thixotroping lubricant, 230 parts in water.
Embodiment 3
(42.5) 250 parts of ordinary Portland cements, 50 parts of aluminate cements, 300 parts of quartz sands (70～140 order), 300 parts of water-ground limestones (200～350 order), 20 parts of anhydrite, 60 parts of zeolite grafting redispersable latex powders, 20 parts of zeolite powders, 7 parts of water reducers, 3 parts of defoamers, 2 parts in tartrate, 1.5 parts of Quilonum Retards, 1.5 parts of methyl cellulose ethers (20,000 molecular weight), 2 parts of aluminium powders, 1.5 parts of thixotroping lubricants, 230 parts in water.
Embodiment 5
(42.5) 350 parts of ordinary Portland cements, 80 parts of aluminate cements, 180 parts of 250 parts of water-ground limestones of quartz sand (70～140 order) (200～350 order), 80 parts of the zeolite grafting redispersable latex powders of 30 parts of anhydrite, embodiment 2,30 parts of zeolite powders, 8 parts of water reducers, 4 parts of defoamers, 3 parts in tartrate, 3 parts of Quilonum Retards, 3 parts of cellulose ether (30,000 molecular weight), 3 parts of aluminium powders, 2 parts of thixotroping lubricants, 230 parts in water.
Embodiment 6
(42.5) 330 parts of ordinary Portland cements, 60 parts of aluminate cements, 480 parts of quartz sands (70～140 order), 50 parts of water-ground limestones (200～350 order), 50 parts of the zeolite grafting redispersable latex powders of 15 parts of anhydrite, embodiment 1,15 parts of zeolite powders, 6.5 parts of water reducers, 2.5 parts of defoamers, 2.5 parts in tartrate, 2 parts of Quilonum Retards, 1.5 parts of hydroxyethyl ether celluloses (40,000 molecular weight), aluminium powder 1.5,2.5 parts of thixotroping lubricants, 230 parts in water.
Embodiment 7
(42.5) 250 parts of ordinary Portland cements, 60 parts of aluminate cements, 80 parts of 550 parts of water-ground limestones of quartz sand (70～140 order) (200～350 order), 40 parts of the zeolite grafting redispersable latex powders of 10 parts of anhydrite, embodiment 2,10 parts of zeolite powders, 7.5 parts of water reducers, 2.5 parts of defoamers, 2.5 parts in tartrate, 2.5 parts of Quilonum Retards, 2.5 parts of TYLOSE 30000 (20,000 molecular weight), 2.5 parts of aluminium powders, 2.5 parts of thixotroping lubricants, 230 parts in water.
Embodiment 8
(42.5) 260 parts of ordinary Portland cements, 70 parts of aluminate cements, 400 parts of 200 parts of water-ground limestones of quartz sand (70～140 order) (200～350 order), 50 parts of the zeolite grafting redispersable latex powders of 10 parts of anhydrite, embodiment 1,10 parts of zeolite powders, 15 parts of water reducers, 2.8 parts of defoamers, 1.8 parts in tartrate, 2.5 parts of Quilonum Retards, 1.8 parts of TYLOSE 30000 (20,000 molecular weight), 1.8 parts of aluminium powders, 230 parts in water.
Embodiment 9
(42.5) 310 parts of ordinary Portland cements, 75 parts of aluminate cements, 180 parts of 340 parts of water-ground limestones of quartz sand (70～140 order) (200～350 order), 60 parts of the zeolite grafting redispersable latex powders of 15 parts of anhydrite, embodiment 2,20 parts of zeolite powders, 7.5 parts of water reducers, 3.5 parts of defoamers, 1.2 parts in tartrate, Quilonum Retard 1.6,1.2 parts of TYLOSE 30000 (30,000 molecular weight), 1.2 parts of aluminium powders, 2.8 parts of thixotroping lubricants, 230 parts in water.
Embodiment 10
(42.5) 250 parts of ordinary Portland cements, 50 parts of aluminate cements, 200 parts of 400 parts of water-ground limestones of quartz sand (70～140 order) (200～350 order), 80 parts of the zeolite grafting redispersable latex powders of 10 parts of anhydrite, embodiment 1,10 parts of zeolite powders, 10 parts of water reducers, 3.8 parts of defoamers, 2.8 parts in tartrate, 2.9 parts of Quilonum Retards, 1.4 parts of TYLOSE 30000 (40,000 molecular weight), 2.6 parts of aluminium powders, 1.5 parts of thixotroping lubricants, 230 parts in water.
Embodiment 11
(42.5) 350 parts of ordinary Portland cements, 50 parts of aluminate cements, 350 parts of 150 parts of water-ground limestones of quartz sand (70～140 order) (200～350 order), 50 parts of the zeolite grafting redispersable latex powders of 30 parts of anhydrite, embodiment 2,20 parts of zeolite powders, 12 parts of water reducers, 3.2 parts of defoamers, 2.7 parts in tartrate, 1.9 parts of Quilonum Retards, 2.3 parts of TYLOSE 30000 (20,000 molecular weight), 1.7 parts of aluminium powders, 1.8 parts of thixotroping lubricants, 230 parts in water.
Embodiment 12
Shanghai fixed star new building material company limited self-leveling terrace powder product;
The self-leveling terrace powder mortar composite of above-described embodiment preparation added to stir behind the water makes mortar:
One, makes 36 of 7.07cm * 7.07cm * 7.07cm die trial, the lower maintenance of standard conditions (22 ℃, relative humidity 50 ± 10%) 28 days, carry out cubic compressive strength and measure.
Two, make 18 of 7.07cm * 7.07cm * 7.07cm die trial, natural curing is carried out later strength and is measured.
Three, make 18 of 4cm * 4cm * 16cm die trial, the lower maintenance of standard conditions (22 ℃, relative humidity 50 ± 10%) 28 days, shrinkability was measured, folding strength is measured;
Four, make 18 of 4cm * 4cm * 16cm die trial, natural curing is carried out the later stage folding strength and is measured;
Five, make four on 200cm * 200cm * 0.5cm (cement based) gravity flow level ground, make four on 200cm * 200cm * 1cm (cement based) gravity flow level ground, make four on 200cm * 200 * 1.5cm (cement based) gravity flow level ground. natural curing 12 months;
Six, make 36 on 5cm * 5cm * 0.5cm (cement based) gravity flow level ground, make 12 on 5cm * 5cm * 1cm (cement based) gravity flow level ground, make 12 on 5cm * 5cm * 1.5cm (cement based) gravity flow level ground. at the lower maintenance of standard conditions (22 ℃, relative humidity 50 ± 10%) 28 days, determining bonding strength;
Seven, testing method: according to People's Republic of China (PRC) building material industry standard JC/T985-2005 ground with cement based gravity flow level ground mortar, GB/T 1768 Determination of Abrasion Resistance for Coating Film, JC/T547-2005 ceramic wall and floor bricks tackiness agent, GB/T 17671 Test method for strength of hydraulic cement mortar.
Detected result sees the following form.
Can think self-leveling terrace powder mortar composite of the present invention from determination data, stable long-term strength, and that the later strength of comparative sample descends is very large, after the long-term natural curing of gravity flow of the present invention level ground mortar, do not whiten in the surface, not sand fallout.And the whiting of the long-term natural curing of comparative sample rear surface, sand fallout.
Claims (6)
1. self-leveling terrace powder mortar composite is characterized in that, comprises the component of following weight part:
Described zeolite grafting redispersable latex powder, made by the raw material of following parts by weight:
100 parts of the raw emulsions that zeolite grafting redispersable latex powder is used
4～20 parts of polyvinyl alcohol;
3～20 parts in modified and light calcium carbonate;
The preparation method of the raw emulsion that said zeolite grafting redispersable latex powder is used comprises the steps:
A) be the zeolite powder of 0.5～1um with 5～10 weight part particle diameters, join in 30～40 weight parts waters, adding acid solution adjusting pH is 4～5, be warming up to 50～60 ℃, add again 1～3 weight part hydroxyethyl ethylcellulose and 0.5～3 part of weight-average molecular weight and be 3000～10000 polyvinylpyrrolidone, 2 weight part methacryloxypropyl triethoxyl silanes obtain kettle base solution;
B) 10～30 weight parts (methyl) acrylate, 10～30 weight parts (methyl) vinylbenzene and 10～20 weight part tertiary ethylene carbonates are mixed, above-mentioned three components add up to 50 weight parts; Add again 1～2 weight part molecular weight regulator, 0.2～1 weight part reactive emulsifier, 0.2～1 weight part initiator and 10～20 weight parts waters, obtain 61.4～74 parts of mixed solutions;
C) with step b) 5～10 weight part mixed solutions, 0.1～1 weight part reactive emulsifier, 0.1～1 weight part initiator, join in the kettle base solution that step a) makes, under 75 ℃～90 ℃ conditions, reacted 30～60 minutes;
The parts by weight proportioning is as follows:
38.5～58 parts of step products a), step b) mixed solution is 5～10 parts, 0.1～1 part of reactive emulsifier, 0.1～1 part of initiator;
D) add again step b) remaining mixed solution, in 2～3 hours, dropwise, reacted 60～120 minutes, add alkaline solution and regulate pH to 6～7.5, obtain the raw emulsion that zeolite grafting redispersable latex powder is used.
2. self-leveling terrace powder mortar composite according to claim 1 is characterized in that, also comprises:
3. self-leveling terrace powder mortar composite according to claim 1 and 2 is characterized in that, the alcoholysis degree of described polyvinyl alcohol is 88～90 % by mole, and weight-average molecular weight is 3500～5000.
4. self-leveling terrace powder mortar composite according to claim 1 and 2 is characterized in that, described modified and light calcium carbonate is by stearic acid modified light calcium carbonate.
5. self-leveling terrace powder mortar composite according to claim 2, it is characterized in that described (methyl) acrylate is selected from methyl acrylate, ethyl propenoate, n-butyl acrylate, isobutyl acrylate, methyl methacrylate, β-dimethyl-aminoethylmethacrylate, n-BMA, methacrylic acid-2-ethylhexyl, 2-hydroxyethyl methacrylate or methacrylic acid-2-hydroxypropyl acrylate;
At least a in said molecular weight regulator selected from mercapto ethyl acetate, Thiovanic acid butyl ester, mercaptoethanol or the tert-dodecyl mercaptan;
Described reactive emulsifier is selected from least a in allyl polyethenoxy ether ammonium sulfate, allyl polyethenoxy ether or the vinyl Soxylat A 25-7;
At least a in described initiator potassium persulfate, Sodium Persulfate or the ammonium persulphate;
Described water reducer is selected from polycarboxylic acids dehydragent;
Described defoamer is selected from the organosilane defoamer;
Described ether of cellulose is selected from least a in TYLOSE 30000, methyl cellulose ether, cellulose ether or the hydroxyethyl ether cellulose, and weight-average molecular weight is 2～40,000.
6. self-leveling terrace powder mortar composite according to claim 2 is characterized in that, described ether of cellulose weight-average molecular weight is 2～40,000.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910054067 CN101648797B (en) | 2009-06-29 | 2009-06-29 | Self-leveling terrace powder mortar composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910054067 CN101648797B (en) | 2009-06-29 | 2009-06-29 | Self-leveling terrace powder mortar composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101648797A CN101648797A (en) | 2010-02-17 |
| CN101648797B true CN101648797B (en) | 2013-02-20 |
Family
ID=41671149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910054067 Active CN101648797B (en) | 2009-06-29 | 2009-06-29 | Self-leveling terrace powder mortar composition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101648797B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3932888A1 (en) * | 2020-07-01 | 2022-01-05 | Saint-Gobain Weber France | Self-levelling watertight flooring compound |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013040788A1 (en) * | 2011-09-23 | 2013-03-28 | Rohm And Haas Company | Low temperature mortar for exterior insulation finish system |
| CN102503320B (en) * | 2011-10-24 | 2013-06-19 | 广东自然涂化工有限公司 | Decoration mortar with low efflorescence |
| US9296653B2 (en) | 2011-12-15 | 2016-03-29 | Dow Global Technologies Llc | Dry mix formulations containing carboxylated styrene-butadiene redispersible polymer powders and alumina rich containing cements |
| CN102584072A (en) * | 2012-02-17 | 2012-07-18 | 温建忠 | No. 0 colloidal crystal special for shrinkage-free large flow state cement mortar and cement mortar |
| BR112014020792B1 (en) | 2012-03-09 | 2020-09-29 | Dow Global Technologies Llc | COMPOSITION OF REDISPERSIBLE POLYMER POWDER IN WATER, ADHESIVE COMPOSITION OF DRY MIXTURE CEMENT FOR TILES, AND, DRY MIXTURE COMPOSITION |
| CN102690095A (en) * | 2012-05-21 | 2012-09-26 | 张立功 | A low-alkali quick-hardening stone adhesive preparation method and an adhesive thereof |
| CN102850030A (en) * | 2012-08-17 | 2013-01-02 | 苏州市德莱尔建材科技有限公司 | Cement-based self-leveling dry-mixed mortar |
| CN102976700B (en) * | 2012-11-13 | 2014-11-19 | 云南磷化集团有限公司 | Model test material used for simulating phosphorous deposit soft interbed and preparation method thereof |
| EP3279172A1 (en) | 2013-03-07 | 2018-02-07 | STO SE & Co. KGaA | Dry composition containing cement and method for improving the storage stability a dry composition containing cement |
| CN103172332A (en) * | 2013-03-28 | 2013-06-26 | 海达建设集团有限公司 | Polycrystal flexible tile joint mixture |
| CN103524084A (en) * | 2013-09-24 | 2014-01-22 | 安徽锐视光电技术有限公司 | Micro-expansion inorganic heat insulation mortar |
| CN104478349B (en) * | 2014-11-08 | 2017-11-07 | 辽宁省建设科学研究院 | A kind of early strong high abrasion gravity flowing levelling mortar repaired for ground and preparation method thereof |
| DE102016202618A1 (en) * | 2016-02-19 | 2017-08-24 | Wacker Chemie Ag | Stabilizers for improving the storage stability of building material dry formulations containing polymer powders |
| CN108059429B (en) * | 2017-11-28 | 2020-11-13 | 上海中冶环境工程科技有限公司 | Self-leveling mortar for repairing damaged ground |
| WO2019106699A1 (en) * | 2017-11-30 | 2019-06-06 | Claudio Pelusi | Composition of cement applicable substantially in the building field and process for manufacturing it |
| CN110818361B (en) * | 2019-12-17 | 2021-12-14 | 北京建工新型建材有限责任公司 | Machine-sprayed thick-layer polymer repair mortar |
| CN114907081A (en) * | 2022-05-05 | 2022-08-16 | 同济大学 | Anti-efflorescence aluminate cement mortar and preparation method thereof |
| CN115819023B (en) * | 2022-12-13 | 2023-11-03 | 中铁广州工程局集团有限公司 | Road desiccant for temporary mountain road and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101033123A (en) * | 2007-02-05 | 2007-09-12 | 孙晋东 | Dry powder mortar for plastering gypsum wall |
-
2009
- 2009-06-29 CN CN 200910054067 patent/CN101648797B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101033123A (en) * | 2007-02-05 | 2007-09-12 | 孙晋东 | Dry powder mortar for plastering gypsum wall |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3932888A1 (en) * | 2020-07-01 | 2022-01-05 | Saint-Gobain Weber France | Self-levelling watertight flooring compound |
| WO2022003044A1 (en) * | 2020-07-01 | 2022-01-06 | Saint-Gobain Weber France | Self-levelling watertight flooring compound |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101648797A (en) | 2010-02-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101648797B (en) | Self-leveling terrace powder mortar composition | |
| CN101648792B (en) | Protecting mortar of express highway roadbed surface hard-face terrace | |
| CN104402345B (en) | A kind of big micro-swollen high-strength grout of fluidised form | |
| CN102173707A (en) | Desulfurization alpha semi-hydrated gypsum self-leveling mortar | |
| CN100509973C (en) | Method of preparing environment-friendly type slag based dried powder coating | |
| CN108328977B (en) | Concrete repairing material | |
| CN106673553B (en) | A kind of low cost ceramic tile adhesive and preparation method thereof | |
| CN102775106A (en) | Recyclable red brick sand premixed dry mortar and manufacturing method thereof | |
| CN104893394A (en) | Off-white water-tolerant interior wall putty | |
| CN104774293A (en) | Mud-resistant polycarboxylic acid water reducer and preparation method thereof | |
| CN106590207A (en) | Novel waterproof two-component slurry for buildings and preparation method of novel waterproof two-component slurry | |
| CN110317029A (en) | A kind of masonry ancient building reinforcement and repair silicon ash reconciliation water lime mortar and preparation method | |
| CN102303963A (en) | Waterproof mortar and manufacturing method thereof | |
| CN110885226B (en) | Colored gypsum plastering mortar and preparation method thereof | |
| CN104710142B (en) | Environment-friendly adhesive mortar for external wall insulation integrated slab | |
| CN106396523A (en) | Using method of geopolymer based self-levelling ground material | |
| CN101649033B (en) | Re-dispersible emulsion powder for terrace mortar | |
| CN106278066A (en) | Fast hard impervious gap filler | |
| CN110041007A (en) | A kind of impervious marble powder composite blend and its application | |
| CN104987001A (en) | Preparation method for mortar of base layers of interior and exterior walls and decoration | |
| CN106630868A (en) | High-strength and high-toughness colored self-leveling cement | |
| CN110194638A (en) | A kind of earth building reinforcement and repair slag reconciliation water lime mortar and preparation method thereof | |
| CN112551994B (en) | Special dry-mixed mortar for plastering construction by 2D (two-dimensional) guniting method | |
| CN109824315B (en) | Formula and preparation method of environment-friendly mortar for wall surface | |
| CN110550907A (en) | Water-based modified polypropylene polymer cement-based waterproof slurry and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200910 Address after: 215500 No.13, Caotang Road, Changshu, Suzhou, Jiangsu Province Patentee after: Changshu intellectual property operation center Co.,Ltd. Address before: 200235, room 2, building 100, No. 1107, Qinzhou Road, Shanghai Patentee before: SHANDONG DONGSHENG NEW MATERIAL Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP02 | Change in the address of a patent holder |
Address after: 215500 5th floor, building 4, 68 Lianfeng Road, Changfu street, Changshu City, Suzhou City, Jiangsu Province Patentee after: Changshu intellectual property operation center Co.,Ltd. Address before: No.13 caodang Road, Changshu City, Suzhou City, Jiangsu Province Patentee before: Changshu intellectual property operation center Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211129 Address after: 215500 buildings 1-5, No. 158, Yinhe Road, Guli Town, Changshu City, Suzhou City, Jiangsu Province Patentee after: CHANGSHU CITY JINLONG DECORATION Co.,Ltd. Address before: 215500 5th floor, building 4, 68 Lianfeng Road, Changfu street, Changshu City, Suzhou City, Jiangsu Province Patentee before: Changshu intellectual property operation center Co.,Ltd. |
|
| TR01 | Transfer of patent right |