CN107056214A - A kind of fluorite cream base mending mortar - Google Patents
A kind of fluorite cream base mending mortar Download PDFInfo
- Publication number
- CN107056214A CN107056214A CN201710373904.2A CN201710373904A CN107056214A CN 107056214 A CN107056214 A CN 107056214A CN 201710373904 A CN201710373904 A CN 201710373904A CN 107056214 A CN107056214 A CN 107056214A
- Authority
- CN
- China
- Prior art keywords
- mending mortar
- cream base
- agent
- base mending
- fluorite cream
- 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.)
- Granted
Links
- 239000004570 mortar (masonry) Substances 0.000 title claims abstract description 175
- 239000010436 fluorite Substances 0.000 title claims abstract description 103
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 title claims abstract description 100
- 239000006071 cream Substances 0.000 title claims abstract description 99
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 61
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 61
- 239000000463 material Substances 0.000 claims abstract description 38
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 19
- 239000011707 mineral Substances 0.000 claims abstract description 19
- 238000007711 solidification Methods 0.000 claims abstract description 19
- 230000008023 solidification Effects 0.000 claims abstract description 19
- 239000000654 additive Substances 0.000 claims abstract description 18
- 230000000996 additive effect Effects 0.000 claims abstract description 18
- 239000004615 ingredient Substances 0.000 claims abstract description 18
- 239000004816 latex Substances 0.000 claims abstract description 16
- 229920000126 latex Polymers 0.000 claims abstract description 16
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 15
- 238000004078 waterproofing Methods 0.000 claims abstract description 12
- 239000000126 substance Substances 0.000 claims abstract description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 29
- 239000006004 Quartz sand Substances 0.000 claims description 25
- 239000003223 protective agent Substances 0.000 claims description 24
- -1 carbonate compound Chemical class 0.000 claims description 23
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 22
- 239000011398 Portland cement Substances 0.000 claims description 17
- 238000000227 grinding Methods 0.000 claims description 17
- 239000000843 powder Substances 0.000 claims description 16
- 239000002253 acid Substances 0.000 claims description 15
- 150000007513 acids Chemical class 0.000 claims description 14
- 239000001913 cellulose Substances 0.000 claims description 13
- 229920002678 cellulose Polymers 0.000 claims description 13
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 11
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 11
- 239000002893 slag Substances 0.000 claims description 11
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 11
- 235000011152 sodium sulphate Nutrition 0.000 claims description 11
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 claims description 10
- 229910052939 potassium sulfate Inorganic materials 0.000 claims description 10
- 235000011151 potassium sulphates Nutrition 0.000 claims description 10
- 229910052710 silicon Inorganic materials 0.000 claims description 10
- 239000010703 silicon Substances 0.000 claims description 10
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 9
- 229910000287 alkaline earth metal oxide Inorganic materials 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 9
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid group Chemical group S(O)(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 8
- 229940037003 alum Drugs 0.000 claims description 7
- 229920001296 polysiloxane Polymers 0.000 claims description 7
- PRPAGESBURMWTI-UHFFFAOYSA-N [C].[F] Chemical compound [C].[F] PRPAGESBURMWTI-UHFFFAOYSA-N 0.000 claims description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 5
- 150000004760 silicates Chemical class 0.000 claims description 5
- 150000001412 amines Chemical class 0.000 claims 1
- DGVVJWXRCWCCOD-UHFFFAOYSA-N naphthalene;hydrate Chemical compound O.C1=CC=CC2=CC=CC=C21 DGVVJWXRCWCCOD-UHFFFAOYSA-N 0.000 claims 1
- 150000002825 nitriles Chemical class 0.000 claims 1
- 238000005829 trimerization reaction Methods 0.000 claims 1
- 239000010440 gypsum Substances 0.000 abstract description 22
- 229910052602 gypsum Inorganic materials 0.000 abstract description 22
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 abstract description 13
- 239000011737 fluorine Substances 0.000 abstract description 13
- 229910052731 fluorine Inorganic materials 0.000 abstract description 13
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 abstract description 10
- 239000002699 waste material Substances 0.000 abstract description 5
- 239000013078 crystal Substances 0.000 abstract description 4
- 229910000323 aluminium silicate Inorganic materials 0.000 abstract description 3
- 239000004035 construction material Substances 0.000 abstract description 3
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000004566 building material Substances 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 abstract 1
- 239000002585 base Substances 0.000 description 173
- 239000004568 cement Substances 0.000 description 64
- 230000006835 compression Effects 0.000 description 21
- 238000007906 compression Methods 0.000 description 21
- 238000011056 performance test Methods 0.000 description 21
- 239000002002 slurry Substances 0.000 description 13
- 238000003756 stirring Methods 0.000 description 9
- 239000002956 ash Substances 0.000 description 8
- 229920000877 Melamine resin Polymers 0.000 description 7
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 7
- 238000002360 preparation method Methods 0.000 description 6
- 230000008439 repair process Effects 0.000 description 6
- 239000003513 alkali Substances 0.000 description 5
- 239000011401 Portland-fly ash cement Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 150000001555 benzenes Chemical class 0.000 description 3
- ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical compound O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 description 3
- 239000011083 cement mortar Substances 0.000 description 3
- 239000011507 gypsum plaster Substances 0.000 description 3
- 230000036571 hydration Effects 0.000 description 3
- 238000006703 hydration reaction Methods 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical class OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000002910 solid waste Substances 0.000 description 2
- 238000004383 yellowing Methods 0.000 description 2
- 206010021036 Hyponatraemia Diseases 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 1
- 230000002742 anti-folding effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000003467 diminishing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920002959 polymer blend Polymers 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 235000011127 sodium aluminium sulphate Nutrition 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- C04B28/14—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
- C04B28/142—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 synthetic or waste calcium sulfate 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00017—Aspects relating to the protection of the environment
-
- 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
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a kind of fluorite cream base mending mortar, belong to building material technical field.The fluorite cream base mending mortar includes major ingredient and additive, in terms of mass fraction, and the major ingredient includes following component：15~80 parts of fluorgypsum, 1~10 part of active mineral admixture, gather materials 20~75 parts；The additive includes following component：0.5~3 part of exciting agent, 0.5~3 part of adjustable solidification agent, 0.1~1 part of water reducer, 0.05~0.5 part of water-retaining admixture, 0.1~1 part of Redispersable latex agent, 0.05~0.5 part of waterproofing agent.The fluorite cream base mending mortar while II type anhydrous gypsum is fast and safely excited, increases some fine and close alumino-silicate three dimensional networks using II type anhydrous gypsum, adjustable solidification agent and active mineral admixture combination in gypsum crystal.While the advantages of gypsum volume stability is good, tensile bond strength is high is remained, common building gypsum material low intensity, the shortcoming of poor water resistance are overcome again.It uses the waste residue of fluorine chemical industry as main raw material(s), and both environmental protection and waste utilization, reduced the production cost of construction material again.
Description
Technical field
The present invention relates to building material technical field, a kind of fluorite cream base mending mortar is particularly related to.
Background technology
Fluorgypsum is the accessory substance during sulfuric acid solution fluorite production hydrofluoric acid, belongs to II type anhydrous gypsum, in strong acid
Property annual emissions are more than 3,000,000 tons.At present, most domestic fluorgypsum is just directly stored up as solid waste, does not only take up
Land resource, and pollution environment.The today increasingly consumed in natural resources, produced using discarded fluorgypsum with high additional
The wall-surface patching mortar of value, can both make waste resource be fully used, again can be with soil protection and groundwater environment.
Go along with sb. to guard him most of using light materials such as steam-pressing aero-concrete, shale bricks, itself and floor and beam column in existing house
Deng between component can the deformation that be produced by air humidity and temperature change cause that top layer screed is cracking, come off.It is existing
Cement base or mix plastering gupsum water-retaining property and adhesion strength it is poor, it is more difficult to the light-weight wall material phase with existing large-scale popularization
Matching, it is easy to the problems such as ash is played on hollowing, cracking and surface occur.Existing conventional cement mortar is because adhesion strength is low, drying shrinkage
Greatly, it is more difficult to realize disposable repairing, it is necessary to which repeatedly construction, while difficulty of construction is increased, adds construction cost.It is existing live
The assembly concrete house that residence industrialization is used never has suitable splicing seams gap filler.Organic gap filler weatherability
Difference, service life are short, while not fire resisting；And cement mortar is low because of adhesion strength, flexibility is poor and does not reach the usage scenario
Requirement.The joint filling in existing house and half used water base gypsum low intensity of repairing, poor water resistance use narrow range；Cement
The contraction of sill is big, and adhesion strength is low, crack hollowing easily occurs；And cement mortar need to be filled up repeatedly just when thickness is larger
Effect can be reached.
The content of the invention
In view of this, it is an object of the invention to propose a kind of fluorite cream base mending mortar, made using discarded fluorgypsum
For base material, produce it is a kind of have early strong, rapid hardening, compression strength and adhesion strength is high, volume stability and water resistance preferably etc.
The mending mortar of feature, realizes the comprehensive utilization of solid waste fluorgypsum.
A kind of fluorite cream base mending mortar provided based on the above-mentioned purpose present invention, including major ingredient and additive, with quality
Number meter, the major ingredient includes following component：15~80 parts of fluorgypsum, 1~10 part of active mineral admixture, gather materials 20~75
Part；The additive includes following component：0.5~3 part of exciting agent, 0.5~3 part of adjustable solidification agent, 0.1~1 part of water reducer, water conservation increase
Thick dose 0.05~0.5 part, 0.1~1 part of Redispersable latex agent, 0.05~0.5 part of waterproofing agent.
According to a kind of fluorite cream base mending mortar of the present invention, the fluorgypsum is that sulfuric acid solution Fluorspar Powder produces hydrofluoric acid
When accessory substance, drying, grinding processing after its adhere to water content<0.5%, its residual acidity content<0.5%, the control of its fineness
In 200 mesh standard sieve screen over-size ＜ 10%.
According to the present invention a kind of fluorite cream base mending mortar, the active mineral admixture be silicon ash, ground granulated blast furnace slag,
One or more in portland cement.
According to a kind of fluorite cream base mending mortar of the present invention, described to gather materials be quartz sand, and its fineness is controlled 40~325
Mesh standard sieve.
According to a kind of fluorite cream base mending mortar of the present invention, the exciting agent is in sodium sulphate, potassium sulfate, alum
One or more.
According to a kind of fluorite cream base mending mortar of the present invention, the adjustable solidification agent is alkaline earth oxide, carbonation
One or more in compound.
According to a kind of fluorite cream base mending mortar of the present invention, the water reducer is that polycarboxylic acids, Melamine and naphthalene system subtract
One kind in aqua.
According to a kind of fluorite cream base mending mortar of the present invention, the water-retaining admixture is polyvinyl alcohol, hydroxymethylpropyl
One or more in cellulose.
According to a kind of fluorite cream base mending mortar of the present invention, the waterproofing agent is silicates protective agent, organosilicon is low
One or more in polymers class protective agent, acrylic compounds protective agent, organic fluorinated silicone class protective agent and organic fluorine carbon protective agent.
Fluorgypsum is the accessory substance that fluorine chemical enterprise sulfuric acid solution Fluorspar Powder produces hydrofluoric acid generation in the present invention.After discharge
Fluorgypsum add appropriate adjustable solidification agent and active mineral admixture, the attached water of the fluorgypsum added after grinding machine grinding, grinding
Content is less than 0.5%, and residual acidity content is less than 0.5%, and fineness control is less than 10% in 200 eye mesh screen surpluses.Fluorgypsum is institute
The major gelled material of fluorite cream base mending mortar is stated, compared with conventional plaster of Paris, fluorgypsum hydration rate is slow, it is necessary to make
Accelerate its hydration rate with exciting agent and adjustable solidification agent.Its water requirement is small simultaneously, and compression strength and coefficient of softing are compared with plaster of Paris more
It is excellent.Control fluorgypsum attached water<0.5% is conducive to being ground fluorgypsum, if attached water too high levels can cause to occur
Ramming material phenomenon, can cause fluorgypsum mending mortar to be reacted generation clustering phenomena in storage while adhering to dilutional hyponatremia.Control
Fluorgypsum fineness is in 200 mesh standard sieve screen over-sizes<10%, fluorgypsum particle size is small, and specific surface area is then big, can lift its water
Change the speed of reaction；But too small particle size can increase its water requirement, setting time is influenceed, later strength is reduced.Control
Fluorgypsum residual acidity content is less than 0.5%, and residual acidity content is too high to influence the effect of exciting agent and adjustable solidification agent, influence repairing sand
The setting time of slurry and physical property.
Active mineral admixture can react with fluorgypsum, exciting agent and adjustable solidification agent etc. in the present invention, in fluorgypsum hardenite
Fine and close silicon aluminate crystal network structure is formed, the mechanical property and coefficient of softing of the fluorite cream base mending mortar is improved,
Filling appropriate active mineral admixture simultaneously can prevent the fluorite cream base mending mortar anti-alkali phenomenon occur.
The main function gathered materials in the present invention is the skeleton as the fluorite cream base mending mortar, increases the fluorgypsum
The volume stability of base mending mortar, reduces cost.
The main function of exciting agent is to lift the early hydration speed of the fluorite cream base mending mortar and add in the present invention
Quick setting, still, the anti-alkali phenomenon of the fluorite cream base mending mortar is easily caused when adding exciting agent and exceeding a certain amount of.
The main function of adjustable solidification agent is the reaction speed for controlling fluorgypsum in the present invention, makes the fluorite cream base mending mortar
Setting time disclosure satisfy that construction requirement.
The main function of water reducer is watering quantity when reducing the fluorite cream base mending mortar stirring in the present invention, is improved
The performance of the fluorite cream base mending mortar.
The effect of water-retaining admixture mainly lifts the water retention property of the fluorite cream base mending mortar and applied in the present invention
Work performance.
The effect of redispersable latex powder mainly increases the stretch-bonded of the fluorite cream base mending mortar in the present invention
Intensity, lifts the adhesion strength and coefficient of softing of material.
The main function of waterproofing agent is the coefficient of softing for improving the fluorite cream base mending mortar, reinforcing material in the present invention
Water resistance.
From the above it can be seen that the advantages of the present invention are：
(1) heretofore described fluorite cream base mending mortar is blended using II type anhydrous gypsum, adjustable solidification agent and active mineral
Material combination, while quickly II type anhydrous gypsum is excited, increases some fine and close alumino-silicate three dimensional networks in gypsum crystal.
While the advantages of gypsum volume stability is good, tensile bond strength is high is remained, common building gypsum material is overcome again
Low intensity, the shortcoming of poor water resistance.
(2) by adding active mineral admixture and waterproofing agent into the fluorite cream base mending mortar in the present invention,
The coefficient of softing of fluorite cream base is improved, the water resistance of fluorite cream base is improved.
(3) in the present invention by into the fluorite cream base mending mortar adjustable solidification agent, exciting agent and mineral admixture match somebody with somebody
Set is used, having carried out safety to fluorite cream base excites, it is to avoid the anti-alkali easily occurred in fluorgypsum utilization and surface yellowing
Etc. endurance issues.
(4) fluorgypsum volume stability is good, stretch-bonded is strong maintaining for heretofore described fluorite cream base mending mortar
On the basis of the advantages of spending high, the performance such as its compression strength and rupture strength and cement base mending mortar are substantially equivalent, more general
Logical plaster of Paris properties of product are more excellent.
(5) present invention is using discarded fluorgypsum as base material, produced it is a kind of have early strong, rapid hardening, compression strength and
Adhesion strength is high, volume stability and mending mortar the features such as preferable water resistance, not only environmental protection and waste utilization but also has reduced construction material
Production cost, realizes efficient to fluorgypsum, high added value utilization, with preferable market prospects.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, below in conjunction with specific embodiment, to this hair
It is bright to be further described.
Embodiment 1
A kind of fluorite cream base mending mortar, including major ingredient and additive, in terms of mass fraction, the major ingredient includes such as the following group
Part：70 parts of fluorgypsum, 5 parts of portland cement, gather materials 25 parts；The additive includes following component：0.5 part of sodium sulphate, alkaline earth
2 parts of metal oxide, 0.5 part of polycarboxylic acids, 0.1 part of polyvinyl alcohol, 0.5 part of Redispersable latex agent, organic fluorinated silicone class protective agent
0.4 part.
Wherein, portland cement is Portland fly ash cement, is the active mineral admixture；It is described that to gather materials be 10 parts
80 mesh quartz sands, 10 part of 160 mesh quartz sand and 5 part of 200 mesh quartz sand；Sodium sulphate is the exciting agent；Alkaline earth oxide
For the adjustable solidification agent；Polycarboxylic acids is the water reducer；Polyvinyl alcohol is the water-retaining admixture；The waterproofing agent is organic fluorinated silicone
Class protective agent.
During preparation, fluorgypsum, portland cement, sodium sulphate and alkaline earth oxide are added in ball mill and carry out grinding
2h, fluorgypsum attachment water content is that 0.48%, residual acidity content is that 0.49%, fineness is 200 mesh standard sieve screen over-sizes 9.8%,
Then quartz sand, redispersable latex powder, polycarboxylic acids, polyvinyl alcohol and organic fluorinated silicone class are added into the fluorine gypsum powder after grinding
Protective agent is stirred using double-shaft weightless stirring machine.Above-mentioned mending mortar material is added water according to the ratio of mud for 0.2, used
Electric hand drill mixer, which stirs, can be used.Its technical performance test result is as shown in table 1.
Table 1.
National standard in existing standard not on mending mortar, therefore the fluorite cream base in the embodiment of the present invention
Mending mortar weighed during technical performance test with the technical standard of enterprise of certain cement base mending mortar enterprise, and with this
The cement base mending mortar sample of enterprise carries out technical performance test as control and compared.
Rupture strength of the fluorite cream base mending mortar at the 7th day it can be seen from above-mentioned technical performance test result
And compression strength has basically reached rupture strength and compression strength of the cement base mending mortar at the 28th day, therefore, the fluorine
Gypsum base mending mortar has the characteristics of early strong, rate of set is fast, and its 28d rupture strength relative to cement base mending mortar
It is substantially suitable with cement base mending mortar with compression strength.The 14d drying shrinkages of the fluorite cream base mending mortar are less than water
Mud base mending mortar, therefore volume stability of the volume stability higher than cement base mending mortar of the fluorite cream base mending mortar
Property.The coefficient of softing of the fluorite cream base mending mortar is higher than the coefficient of softing of cement base mending mortar, therefore the fluorgypsum
The water resistance of base mending mortar is better than the water resistance of cement base mending mortar.The 14d stretchings of the fluorite cream base mending mortar are viscous
Knotting strength is higher than the 14d tensile bond strengths of cement base mending mortar, therefore the fluorite cream base mending mortar is repaiied than cement base
Stop-off slurry caking property is higher, and repair efficiency is more preferable.To sum up, the performance of the fluorite cream base mending mortar is far superior to cement base and repaiied
The performance of stop-off slurry.
Embodiment 2
A kind of fluorite cream base mending mortar, including major ingredient and additive, in terms of mass fraction, the major ingredient includes such as the following group
Part：50 parts of fluorgypsum, 5 parts and 5 parts ground granulated blast furnace slags of portland cement, gather materials 35 parts；The additive includes following component：Sulphur
Sour 3 parts of potassium, 1 part of carbonate compound, 0.5 part of Melamine, 0.5 part of polycarboxylic acids, 0.5 part of hydroxymethyl-propyl cellulose, can be again
1 part of dispersed latex agent, 0.2 part of silicates protective agent.
Wherein, portland cement is Portland fly ash cement, and portland cement and ground granulated blast furnace slag are the active ore deposit
Polymer blends material；It is described that to gather materials be 20 part of 80 mesh quartz sand, 10 part of 160 mesh quartz sand and 5 part of 200 mesh quartz sand；Potassium sulfate is institute
State exciting agent；Carbonate compound is the adjustable solidification agent；Melamine and polycarboxylic acids are the water reducer；Hydroxymethylpropyl fiber
Element is the water-retaining admixture；Silicates protective agent is the waterproofing agent.
During preparation, fluorgypsum, portland cement, ground granulated blast furnace slag, potassium sulfate and carbonate compound are added into Raymond mill
Grinding in machine, fluorgypsum attachment water content is that 0.46%, residual acidity content is that 0.47%, fineness is 200 mesh standard sieve screen over-sizes
9.3%, quartz sand, redispersable latex powder, Melamine, polycarboxylic acids, hydroxyl first are then added into the fluorine gypsum powder after grinding
Base propyl cellulose and silicates protective agent are stirred using double-shaft weightless stirring machine.By above-mentioned mending mortar material
Added water according to the ratio of mud for 0.25, stirred and can be used using electric hand drill mixer.Its technical performance test result such as table 2
It is shown.
Table 2.
National standard in existing standard not on mending mortar, therefore the fluorite cream base in the embodiment of the present invention
Mending mortar weighed during technical performance test with the technical standard of enterprise of certain cement base mending mortar enterprise, and with this
The cement base mending mortar sample of enterprise carries out technical performance test as control and compared.
Rupture strength of the fluorite cream base mending mortar at the 7th day it can be seen from above-mentioned technical performance test result
And compression strength has basically reached rupture strength and compression strength of the cement base mending mortar at the 28th day, therefore, the fluorine
Gypsum base mending mortar has the characteristics of early strong, rate of set is fast, and its 28d rupture strength relative to cement base mending mortar
It is substantially suitable with cement base mending mortar with compression strength.The 14d drying shrinkages of the fluorite cream base mending mortar are less than water
Mud base mending mortar, therefore volume stability of the volume stability higher than cement base mending mortar of the fluorite cream base mending mortar
Property.The coefficient of softing of the fluorite cream base mending mortar is higher than the coefficient of softing of cement base mending mortar, therefore the fluorgypsum
The water resistance of base mending mortar is better than the water resistance of cement base mending mortar.The 14d stretchings of the fluorite cream base mending mortar are viscous
Knotting strength is higher than the 14d tensile bond strengths of cement base mending mortar, therefore the fluorite cream base mending mortar is repaiied than cement base
Stop-off slurry caking property is higher, and repair efficiency is more preferable.To sum up, the performance of the fluorite cream base mending mortar is far superior to cement base and repaiied
The performance of stop-off slurry.
Embodiment 3
A kind of fluorite cream base mending mortar, including major ingredient and additive, in terms of mass fraction, the major ingredient includes such as the following group
Part：25 parts of fluorgypsum, 2 parts of portland cement, 1 part of silicon ash, 7 parts of ground granulated blast furnace slag, gather materials 65 parts；The additive includes as follows
Component：1 part of alum, 2 parts of alkaline earth oxide, 1 part of carbonate compound, 0.5 part of benzene series water reducer, polyvinyl alcohol
0.4 part, 0.1 part of hydroxymethyl-propyl cellulose, 1 part of Redispersable latex agent, 0.3 part of organic fluorine carbon protective agent.
Wherein, portland cement is Portland fly ash cement, and portland cement, silicon ash and ground granulated blast furnace slag are the work
Property mineral admixture；It is described that to gather materials be 20 part of 80 mesh quartz sand, 20 part of 160 mesh quartz sand and 15 part of 200 mesh quartz sand；Aluminum sulfate
Potassium is the exciting agent；Alkaline earth oxide and carbonate compound are the adjustable solidification agent；Benzene series water reducer is the diminishing
Agent；Polyvinyl alcohol and hydroxymethyl-propyl cellulose are the water-retaining admixture；The waterproofing agent is organic fluorine carbon protective agent.
During preparation, by fluorgypsum, portland cement, silicon ash, ground granulated blast furnace slag, alum, carbonate compound and alkali
Soil metal oxide adds and grinding 2h is carried out in ball mill, and fluorgypsum attachment water content is that 0.43%, residual acidity content is
0.45%th, fineness is 200 mesh standard sieve screen over-sizes 9.1%, and quartz sand is then added into the fluorine gypsum powder after grinding, can be divided again
Dissipate latex powder, benzene series water reducer, polyvinyl alcohol, hydroxymethyl-propyl cellulose and organic fluorine carbon protective agent and use double-shaft weightless
Mixer stirs.Above-mentioned mending mortar material is added water according to the ratio of mud for 0.22, stirs equal using electric hand drill mixer
It is even to can be used.Its technical performance test result is as shown in table 3.
Table 3.
National standard in existing standard not on mending mortar, therefore the fluorite cream base in the embodiment of the present invention
Mending mortar weighed during technical performance test with the technical standard of enterprise of certain cement base mending mortar enterprise, and with this
The cement base mending mortar sample of enterprise carries out technical performance test as control and compared.
Rupture strength of the fluorite cream base mending mortar at the 7th day it can be seen from above-mentioned technical performance test result
And compression strength has basically reached rupture strength and compression strength of the cement base mending mortar at the 28th day, therefore, the fluorine
Gypsum base mending mortar has the characteristics of early strong, rate of set is fast, and its 28d rupture strength relative to cement base mending mortar
It is substantially suitable with cement base mending mortar with compression strength.The 14d drying shrinkages of the fluorite cream base mending mortar are less than water
Mud base mending mortar, therefore volume stability of the volume stability higher than cement base mending mortar of the fluorite cream base mending mortar
Property.The coefficient of softing of the fluorite cream base mending mortar is higher than the coefficient of softing of cement base mending mortar, therefore the fluorgypsum
The water resistance of base mending mortar is better than the water resistance of cement base mending mortar.The 14d stretchings of the fluorite cream base mending mortar are viscous
Knotting strength is higher than the 14d tensile bond strengths of cement base mending mortar, therefore the fluorite cream base mending mortar is repaiied than cement base
Stop-off slurry caking property is higher, and repair efficiency is more preferable.To sum up, the performance of the fluorite cream base mending mortar is far superior to cement base and repaiied
The performance of stop-off slurry.
Embodiment 4
A kind of fluorite cream base mending mortar, including major ingredient and additive, in terms of mass fraction, the major ingredient includes such as the following group
Part：15 parts of fluorgypsum, 1 part of ground granulated blast furnace slag, gather materials 75 parts；The additive includes following component：1 part of sodium sulphate, potassium sulfate 1
Part, 0.5 part of carbonate compound, 1 part of melamine, 0.3 part of polyvinyl alcohol, 0.1 part of Redispersable latex agent, organosilicon are oligomeric
0.5 part of species protective agent.
Wherein, ground granulated blast furnace slag is the active mineral admixture；It is described gather materials be 35 part of 80 mesh quartz sand, 25 part 160
Mesh quartz sand and 15 part of 200 mesh quartz sand；Sodium sulphate and potassium sulfate are the exciting agent；Carbonate compound adjusts solidifying to be described
Agent；Melamine is the water reducer；Polyvinyl alcohol is the water-retaining admixture；Silicone oligomer class protective agent is described anti-
Aqua.
During preparation, fluorgypsum, ground granulated blast furnace slag, carbonate compound, sodium sulphate and potassium sulfate are added in ball mill to enter
Row grinding, fluorgypsum attachment water content is that 0.42%, residual acidity content is that 0.43%, fineness is 200 mesh standard sieve screen over-sizes
8.8%, quartz sand, melamine, polyvinyl alcohol, redispersable latex powder are then added into the fluorine gypsum powder after grinding and is had
The oligomeric species protective agent of machine silicon is stirred using double-shaft weightless stirring machine.It is according to the ratio of mud by above-mentioned mending mortar material
0.23 adds water, and is stirred and can be used using electric hand drill mixer.Its technical performance test result is as shown in table 4.
Table 4.
National standard in existing standard not on mending mortar, therefore the fluorite cream base in the embodiment of the present invention
Mending mortar weighed during technical performance test with the technical standard of enterprise of certain cement base mending mortar enterprise, and with this
The cement base mending mortar sample of enterprise carries out technical performance test as control and compared.
Rupture strength of the fluorite cream base mending mortar at the 7th day it can be seen from above-mentioned technical performance test result
And compression strength has basically reached rupture strength and compression strength of the cement base mending mortar at the 28th day, therefore, the fluorine
Gypsum base mending mortar has the characteristics of early strong, rate of set is fast, and its 28d rupture strength relative to cement base mending mortar
It is substantially suitable with cement base mending mortar with compression strength.The 14d drying shrinkages of the fluorite cream base mending mortar are less than water
Mud base mending mortar, therefore volume stability of the volume stability higher than cement base mending mortar of the fluorite cream base mending mortar
Property.The coefficient of softing of the fluorite cream base mending mortar is higher than the coefficient of softing of cement base mending mortar, therefore the fluorgypsum
The water resistance of base mending mortar is better than the water resistance of cement base mending mortar.The 14d stretchings of the fluorite cream base mending mortar are viscous
Knotting strength is higher than the 14d tensile bond strengths of cement base mending mortar, therefore the fluorite cream base mending mortar is repaiied than cement base
Stop-off slurry caking property is higher, and repair efficiency is more preferable.To sum up, the performance of the fluorite cream base mending mortar is far superior to cement base and repaiied
The performance of stop-off slurry.
Embodiment 5
A kind of fluorite cream base mending mortar, including major ingredient and additive, in terms of mass fraction, the major ingredient includes such as the following group
Part：80 parts of fluorgypsum, 5 parts of portland cement, 2 parts of silicon ash, gather materials 55 parts；The additive includes following component：Sodium sulphate 0.5
Part, 1 part of alum, 1 part of alkaline earth oxide, 2 parts of carbonate compound, 0.1 part of polycarboxylic acids, hydroxymethyl-propyl cellulose
0.05 part, 0.1 part of Redispersable latex agent, 0.05 part of acrylic compounds protective agent.
Wherein, portland cement is Portland fly ash cement, and portland cement and silicon ash blend for the active mineral
Material；It is described that to gather materials be 30 part of 80 mesh quartz sand, 15 part of 160 mesh quartz sand and 10 part of 200 mesh quartz sand；Sodium sulphate and alum
For the exciting agent；Alkaline earth oxide and carbonate compound are the adjustable solidification agent；Polycarboxylic acids is the water reducer；Hydroxyl first
Base propyl cellulose is the water-retaining admixture；Acrylic compounds protective agent is the waterproofing agent.
During preparation, by fluorgypsum, portland cement, silicon ash, sodium sulphate, alum carbonate compound and alkaline-earth metal
Oxide adds and grinding 2h is carried out in ball mill, and fluorgypsum attachment water content is that 0.42%, residual acidity content is 0.46%, fineness
For 200 mesh standard sieve screen over-sizes 8.7%, quartz sand, polycarboxylic acids, hydroxymethylpropyl are then added into the fluorine gypsum powder after grinding
Cellulose, redispersable latex powder and acrylic compounds protective agent are stirred using double-shaft weightless stirring machine.By above-mentioned repairing
Mortar material adds water according to the ratio of mud for 0.24, is stirred and can be used using electric hand drill mixer.Its technical performance is tested
As a result it is as shown in table 5.
Table 5.
National standard in existing standard not on mending mortar, therefore the fluorite cream base in the embodiment of the present invention
Mending mortar weighed during technical performance test with the technical standard of enterprise of certain cement base mending mortar enterprise, and with this
The cement base mending mortar sample of enterprise carries out technical performance test as control and compared.
Rupture strength of the fluorite cream base mending mortar at the 7th day it can be seen from above-mentioned technical performance test result
And compression strength has basically reached rupture strength and compression strength of the cement base mending mortar at the 28th day, therefore, the fluorine
Gypsum base mending mortar has the characteristics of early strong, rate of set is fast, and its 28d rupture strength relative to cement base mending mortar
It is substantially suitable with cement base mending mortar with compression strength.The 14d drying shrinkages of the fluorite cream base mending mortar are less than water
Mud base mending mortar, therefore volume stability of the volume stability higher than cement base mending mortar of the fluorite cream base mending mortar
Property.The coefficient of softing of the fluorite cream base mending mortar is higher than the coefficient of softing of cement base mending mortar, therefore the fluorgypsum
The water resistance of base mending mortar is better than the water resistance of cement base mending mortar.The 14d stretchings of the fluorite cream base mending mortar are viscous
Knotting strength is higher than the 14d tensile bond strengths of cement base mending mortar, therefore the fluorite cream base mending mortar is repaiied than cement base
Stop-off slurry caking property is higher, and repair efficiency is more preferable.To sum up, the performance of the fluorite cream base mending mortar is far superior to cement base and repaiied
The performance of stop-off slurry.
Comparative example 1
A kind of fluorite cream base mending mortar, including major ingredient and additive, in terms of mass fraction, the major ingredient includes such as the following group
Part：75 parts of fluorgypsum, gather materials 50 parts；The additive includes following component：1 part of potassium sulfate, 0.5 part of polycarboxylic acids, methylol third
0.1 part of base cellulose, 0.5 part of Redispersable latex agent.
It is wherein, described that to gather materials be 25 part of 80 mesh quartz sand, 15 part of 160 mesh quartz sand and 10 part of 200 mesh quartz sand；Potassium sulfate
For the exciting agent；Polycarboxylic acids is the water reducer；Hydroxymethyl-propyl cellulose is the water-retaining admixture.
During preparation, fluorgypsum and potassium sulfate are added grinding 2h is carried out in ball mill, fluorgypsum attachment water content is
0.45%th, residual acidity content is that 0.44%, fineness is 200 mesh standard sieve screen over-sizes 9.5%, then to the fluorine gypsum powder after grinding
Middle addition quartz sand, polycarboxylic acids, hydroxymethyl-propyl cellulose and redispersable latex powder are stirred using double-shaft weightless stirring machine
Uniformly.Above-mentioned mending mortar material is added water according to the ratio of mud for 0.24, is stirred and can be used using electric hand drill mixer.
Its technical performance test result is as shown in table 6.
Table 6.
The fluorite cream base mending mortar rupture strength described in comparative example 1 it can be seen from above-mentioned technical performance test result
It is less than cement base mending mortar with compressive strength determination value, its drying shrinkage (14d) measured value is higher than cement base mending mortar,
Its coefficient of softing measured value is less than cement base mending mortar, and its tensile bond strength (14d) measured value repairs sand less than cement base
Slurry.Therefore, fluorite cream base mending mortar volume stability described in comparative example 1 is poor, tensile bond strength is low, resistance to compression and anti-folding are strong
Low, poor water resistance is spent, its performance is less than cement base mending mortar, and less than the fluorite cream base repairing sand in embodiment 1~5
Slurry.
From above example 1~5 and comparative example 1, first, heretofore described fluorite cream base mending mortar uses II
Type anhydrous gypsum, adjustable solidification agent and active mineral admixture combination, while quickly II type anhydrous gypsum is excited, in gypsum crystal
Middle some fine and close alumino-silicate three dimensional networks of increase；Remaining the advantages of gypsum volume stability is good, tensile bond strength is high
While, common building gypsum material low intensity, the shortcoming of poor water resistance are overcome again.Secondly, by the fluorite cream base
Active mineral admixture and waterproofing agent are added in mending mortar, the coefficient of softing of fluorite cream base is improved, improves fluorgypsum
The water resistance of base.By into the fluorite cream base mending mortar adjustable solidification agent, exciting agent and mineral admixture support the use, it is right
Fluorite cream base carried out safety and excited, it is to avoid the durability such as the anti-alkali easily occurred in fluorgypsum utilization and surface yellowing is asked
Topic.Again, fluorgypsum volume stability is good, tensile bond strength is high maintaining for heretofore described fluorite cream base mending mortar
The advantages of on the basis of, the performance such as its compression strength and rupture strength and cement base mending mortar are substantially equivalent, more commonly build
Build gypsum product performance more excellent；And using discarded fluorgypsum as base material, not only environmental protection and waste utilization but also reduced the life of construction material
Cost is produced, efficient to fluorgypsum, high added value utilization is realized, with preferable market prospects.
Those of ordinary skills in the art should understand that：The discussion of any of the above embodiment is exemplary only, not
It is intended to imply that the scope of the present disclosure (including claim) is limited to these examples；Under the thinking of the present invention, above example
Or can also not be combined between the technical characteristic in be the same as Example, and there is the different aspect of the present invention as described above
Many other changes, in order to it is concise they provided not in details.Therefore, within the spirit and principles of the invention,
Any omission, modification, equivalent substitution, improvement for being made etc., should be included in the scope of the protection.
Claims (9)
1. a kind of fluorite cream base mending mortar, it is characterised in that including major ingredient and additive, in terms of mass fraction, the major ingredient
Including following component：15~80 parts of fluorgypsum, 1~10 part of active mineral admixture, gather materials 20~75 parts；The additive includes
Following component：0.5~3 part of exciting agent, 0.5~3 part of adjustable solidification agent, 0.1~1 part of water reducer, 0.05~0.5 part of water-retaining admixture,
0.1~1 part of Redispersable latex agent, 0.05~0.5 part of waterproofing agent.
2. fluorite cream base mending mortar as claimed in claim 1, it is characterised in that the fluorgypsum is sulfuric acid solution Fluorspar Powder
Accessory substance during hydrofluoric acid is produced, it adheres to water content after drying, grinding processing<0.5%, its residual acidity content<0.5%,
Its fineness is controlled in 200 mesh standard sieve screen over-size ＜ 10%.
3. fluorite cream base mending mortar as claimed in claim 1, it is characterised in that the active mineral admixture be silicon ash,
One or more in ground granulated blast furnace slag, portland cement.
4. fluorite cream base mending mortar as claimed in claim 1, it is characterised in that described to gather materials be quartz sand, its fineness control
System is in 40~325 mesh standard sieves.
5. fluorite cream base mending mortar as claimed in claim 1, it is characterised in that the exciting agent be sodium sulphate, potassium sulfate,
One or more in alum.
6. fluorite cream base mending mortar as claimed in claim 1, it is characterised in that the adjustable solidification agent is alkaline-earth metal oxide
One or more in thing, carbonate compound.
7. fluorite cream base mending mortar as claimed in claim 1, it is characterised in that the water reducer is polycarboxylic acids, trimerization of nitriles
One kind in amine and naphthalene water reducer.
8. fluorite cream base mending mortar as claimed in claim 1, it is characterised in that the water-retaining admixture be polyvinyl alcohol,
One or more in hydroxymethyl-propyl cellulose.
9. fluorite cream base mending mortar as claimed in claim 1, it is characterised in that the waterproofing agent protects for silicates
In agent, silicone oligomer class protective agent, acrylic compounds protective agent, organic fluorinated silicone class protective agent and organic fluorine carbon protective agent
It is one or more of.
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