CN108546036A - Chrome leather scrap modified building cement grout material and preparation method thereof - Google Patents
Chrome leather scrap modified building cement grout material and preparation method thereof Download PDFInfo
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- CN108546036A CN108546036A CN201810425657.0A CN201810425657A CN108546036A CN 108546036 A CN108546036 A CN 108546036A CN 201810425657 A CN201810425657 A CN 201810425657A CN 108546036 A CN108546036 A CN 108546036A
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- chrome leather
- leather scrap
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Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland 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
- C04B2111/70—Grouts, e.g. injection mixtures for cables for prestressed concrete
-
- 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
Abstract
The invention discloses chrome leather scrap modified building cement grout material, include the raw material of following parts by weight：17 parts of 49 parts of portland cement, 35 parts of fine sand, 5 ~ 7 parts of chrome leather scrap, 6 parts of fibre blend, 5.2 parts of slag micropowder, 3 parts of swelling agent, 1.1 parts of water-reducing agent, 3 parts of antifoaming agent, 4 parts of organosilicon microballoon, 5 parts of glass bead, 2.1 parts of tetraethylenepentamine and substance A.The object of the present invention is to provide chrome leather scrap modified building cement grout material, and the grouting material physical strength performance is good, while the compression strength of grouting material and flexural strength are strong, and without dissociating, chromium migrates, and has higher practical value and good application prospect.
Description
Technical field
The present invention relates to grouting material technical fields, and in particular to chrome leather scrap modified building cement grout material.
Background technology
With the demand of development and the construction of construction industry, the unique performance of grouting material is gradually recognized and is connect by people
By also constantly being extended, played an increasingly important role in engineering, grouting material is made with high-strength material using field
It is aided with the substances such as upper flow regime, microdilatancy, anti-isolation using cement as bonding agent for aggregate and is formulated.It adds at the construction field (site)
Enter a certain amount of water, can be used after stirring evenly, grouting material has self drainage good, fast hard, early strong, high-strength, ungauged regions, micro- swollen
It is swollen；It is nontoxic, harmless, not aging, pollution-free to water quality and ambient enviroment, the features such as, antirust good from close property, have in construction party face
Reliable in quality reduces cost, the advantages that shortening the construction period and is easy to use, fundamentally changes plant bottom case stressing conditions, is allowed to
The whole load for equably bearing equipment, to meet various machineries, the installation of electrical equipment (jumbo high-precision grinder)
It is required that being the ideal grouting material without the pad installation epoch.
Existing grouting material heat preservation, physical strength performance are bad, while the compression strength of grouting material and flexural strength are low, this
Outside there is also it is easy to crack, shrink phenomena such as, Chinese patent literature " (application number：CN201110037762.5 a kind of property) " is disclosed
Can adjustable gypsum base grouting material, the grouting material include the semi-hydrated gypsum of weight percent 35~45%, 10~15% slag
Powder, 2~4% alkali-activator, 35~45% aggregate, 1.0~1.5% latex powder, 0.10~0.15% efficient diminishing
Agent, 0.01~0.04% high-efficient retarder, 0.03~0.07% antisettling agent, 0.3~0.6% hydrophober and 0.01~
0.02% air entraining agent, the grouting material intensity is bad, and fluidity is bad, Chinese patent literature " (application number：
201710416494.5) a kind of grouting material and preparation method thereof " is disclosed, the grouting material includes the raw material of following parts by weight：
20~35 parts of portland cement, 10~20 parts of quartz sand, 3~7 parts of polypropylene fibre, 15~25 parts of flyash, dispersibility breast
2~3 parts of rubber powder, 5~10 parts of swelling agent, 0.5~1 part of water-reducing agent, 13~20 parts of waste concrete, 7~15 parts of iron tailings slag, morning
Strong 0.05~0.08 part of agent, 0.3~0.8 part of thickener, intensity, fluidity are bad, still need to further improve.
China is process hides big country, in leather production process, it will a large amount of solid waste are generated, under field conditions (factors),
Harmful substance in solid waste will enter environment by approach such as water, air, soil, cause damages to the mankind.Containing chromium
Shavings is as one of solid leather wastes, due to containing a large amount of chromium, if dealt with improperly, will cause greatly to endanger to environment
Evil, annual China about generate 1,400,000 tons of chrome leather scrap, and can shavings be handled at present, be related to the life of leather industry
Deposit development.
Invention content
It is bad to solve pulp strength the purpose of the present invention is to provide chrome leather scrap modified building cement grout material, stream
The dynamic bad defect of degree, using portland cement, fine sand, fibre blend, slag micropowder, swelling agent, water-reducing agent, antifoaming agent, has
Intensity and mobility are improved under the action of machine silicon microballoon, glass bead.
To achieve the above object, the present invention provides the following technical solutions：
Chrome leather scrap modified building cement grout material, which is characterized in that the composition of the high strength grout includes following
The raw material of parts by weight：
5.2 parts of 49 parts of portland cement, 35 parts of fine sand, 5~7 parts of chrome leather scrap, 6 parts of fibre blend, slag micropowder (thoroughfares
State city Dong Shen building materials Co., Ltd), 3 parts of swelling agent, 1.1 parts of water-reducing agent, 3 parts of antifoaming agent, 4 parts of organosilicon microballoon (Shenzhen sea
Yang Fenti Science and Technology Ltd.s), 5 parts of glass bead (Xinyang Pingqiao District great Fa pearlite insulations Building Materials Factory), tetraethylenepentamine
2.1 parts and 1-7 parts of substance A, the fine sand is river sand, the river sand of 0.5mm of 0.3mm, according to weight ratio 3:The mixing of 1 composition
Object, the fibre blend is glass fibre, steel fibre, carbon fiber, according to weight ratio 9：4：The mixture of 3 compositions, the mine
Slag micro mist specific surface area is 450m2/ Kg, grain size 4um, the glass bead grain size are 2um, and chrome leather scrap need to be ground into grain size
For 1-3mm.
The swelling agent is CSA swelling agents, AUA cement expansive materials (Jiangmen city Zhong Jian Science and Technology Development Co., Ltd.s) and swollen
Swollen dose of A.
Swelling agent A：By 12~24 parts of calcium sulphoaluminate, 2~7 parts of quick lime, 3~8 parts of gypsum, 1~3 part of pentaerythrite,
1~4 part of composition of 1~4 part of melamine and the bromo- 3,5- dimethyladamantanes of 1-.
The water-reducing agent includes following raw material:
26-32 parts of sodium lignin sulfonate (Tianjin Ye Zi Chemical Engineering Technologies Co., Ltd), 22-28 parts of cornstarch, hydroxyl second
14-18 parts of base cellulose, 6-10 parts of calcium-base bentonite, 4-8 parts of tert-butyl hydroperoxide, 1-3 parts of divinylbenzene, polyethylene glycol
14-20 parts and 1~4 part of diphenyl phosphate oxygen.
The preparation method of the water-reducing agent is that sodium lignin sulfonate, cornstarch, polyethylene glycol are added in mixing machine,
Speed of agitator is 100-250r/min, mixing time 1-2h, be then added thereto hydroxyethyl cellulose, calcium-base bentonite into
Row ultrasonic disperse, ultrasonic disperse 15-55min, then add tert-butyl hydroperoxide, divinylbenzene and diphenyl phosphate oxygen after
Continuous to stir 35-90min, 1~4h of reaction is to get water-reducing agent at 85 DEG C.
The antifoaming agent is that (the universal waterborne organic silicon antifoaming agent of XPJ-S210, Changzhou is along magnificent chemical industry for organic silicon defoamer
Co., Ltd).
80min will be reacted at 3.4 parts, 75 DEG C of 3.6 parts of citric acid, 2.4 parts of pentaerythrite and dihydromethyl propionic acid, added
To reacting 1h at 3.2 parts, 70 DEG C of 0.7 part of double trimethylolpropane and ethylenediamine tetra-acetic acid, tetrabutylammonium bromide 1.6 is added
Part, 2h is reacted at 80 DEG C, obtained material is substance A.
The preparation method of chrome leather scrap modified building cement grout material
Step 1 weighs each component raw material as required；
Step 2 by portland cement, fine sand, chrome leather scrap, fibre blend, sequentially adds homogenizer in order
In, speed of agitator 750-850r/min, mixing time 45-55min obtain mixture A, by mixture A obtained, slag
Micro mist, glass bead, organosilicon microballoon and tetraethylenepentamine are sent into reaction kettle, and reaction temperature is 75-95 DEG C, and the reaction time is
1-2h obtains mixture B；
Mixture B, swelling agent, water-reducing agent, antifoaming agent and substance A obtained in step 2 are sequentially added height by step 3
In fast mixing machine, speed of agitator 1150-1400r/min, mixing time is that 45-95min changes to get the chrome leather scrap of the present invention
Property grouting material.
Compared with prior art, the present invention has following advantageous effect：
(1) a kind of high strength grout of the invention, grouting material heat preservation, physical strength performance are good, while grouting material is anti-
Compressive Strength and flexural strength are strong, and the water-reducing agent of addition can effectively improve the mobility of grouting material, have higher practical value
With good application prospect.
(2) tetraethylenepentamine increases the mobility of slurry, pentaerythrite, melamine and bromo- 3, the 5- diformazans funds of 1-
Rigid alkane increases the dilatancy and intensity of swelling agent, and diphenyl phosphate oxygen can improve slurry fluidity.
(3) it is that process hides chrome leather scrap finds a kind of new application approach.
(4) substance A protects the chromium ion of process hides chrome leather scrap, it is therefore prevented that the migration of chromium ion.
Specific implementation mode
Example 1
Chrome leather scrap modified building cement grout material, which is characterized in that the composition of the high strength grout includes following
The raw material of parts by weight：
5.2 parts of 49 parts of portland cement, 35 parts of fine sand, 5 parts of chrome leather scrap, 6 parts of fibre blend, slag micropowder (Quzhous
Dong Shen building materials Co., Ltd of city), 3 parts of swelling agent, 1.1 parts of water-reducing agent, 3 parts of antifoaming agent, 4 parts of (Shenzhen Hai Yang of organosilicon microballoon
Powder Science and Technology Ltd.), 5 parts of glass bead (Xinyang Pingqiao District great Fa pearlite insulations Building Materials Factory), tetraethylenepentamine 2.1
1 part of part and substance A, the fine sand is river sand, the river sand of 0.5mm of 0.3mm, according to weight ratio 3:The mixture of 1 composition, it is described
Fibre blend is glass fibre, steel fibre, carbon fiber, according to weight ratio 9：4：The mixture of 3 compositions, the slag micropowder ratio
Surface area is 450m2/ Kg, grain size 4um, the glass bead grain size are 2um, and it is 1-3mm that chrome leather scrap, which need to be ground into grain size,.
The swelling agent is CSA swelling agents.
The water-reducing agent includes following raw material:
26 parts of sodium lignin sulfonate (Tianjin Ye Zi Chemical Engineering Technologies Co., Ltd), 22 parts of cornstarch, hydroxy ethyl fiber
14 parts of element, 6 parts of calcium-base bentonite, 4 parts of tert-butyl hydroperoxide, 1 part of divinylbenzene, 14 parts of polyethylene glycol and diphenyl phosphate oxygen
1 part.
The preparation method of the water-reducing agent is that sodium lignin sulfonate, cornstarch, polyethylene glycol are added in mixing machine,
Speed of agitator is 100r/min, mixing time 1h, hydroxyethyl cellulose is then added thereto, calcium-base bentonite carries out ultrasound
Dispersion, ultrasonic disperse 15min then add tert-butyl hydroperoxide, divinylbenzene and diphenyl phosphate oxygen and continue to stir
35min, reaction 1h is to get water-reducing agent at 85 DEG C.
The antifoaming agent is that (the universal waterborne organic silicon antifoaming agent of XPJ-S210, Changzhou is along magnificent chemical industry for organic silicon defoamer
Co., Ltd).
80min will be reacted at 3.4 parts, 75 DEG C of 3.6 parts of citric acid, 2.4 parts of pentaerythrite and dihydromethyl propionic acid, added
To reacting 1h at 3.2 parts, 70 DEG C of 0.7 part of double trimethylolpropane and ethylenediamine tetra-acetic acid, tetrabutylammonium bromide 1.6 is added
Part, react 2h, obtained material A at 80 DEG C.
The preparation method of chrome leather scrap modified building cement grout material
Step 1 weighs each component raw material as required；
Step 2 by portland cement, fine sand, chrome leather scrap, fibre blend, sequentially adds homogenizer in order
In, speed of agitator 750r/min, mixing time 45min obtain mixture A, by mixture A obtained, slag micropowder, glass
Change microballon, organosilicon microballoon and tetraethylenepentamine to be sent into reaction kettle, reaction temperature is 75 DEG C, and reaction time 1h is mixed
Close object B；
Mixture B, swelling agent, water-reducing agent, antifoaming agent and substance A obtained in step 2 are sequentially added height by step 3
In fast mixing machine, speed of agitator 1150r/min, mixing time is that 45min is modified grouting material to get chrome leather scrap.
Example 2
Chrome leather scrap modified building cement grout material, which is characterized in that the composition of the high strength grout includes following
The raw material of parts by weight：
5.2 parts of 49 parts of portland cement, 35 parts of fine sand, 7 parts of chrome leather scrap, 6 parts of fibre blend, slag micropowder (Quzhous
Dong Shen building materials Co., Ltd of city), 3 parts of swelling agent, 1.1 parts of water-reducing agent, 3 parts of antifoaming agent, 4 parts of (Shenzhen Hai Yang of organosilicon microballoon
Powder Science and Technology Ltd.), 5 parts of glass bead (Xinyang Pingqiao District great Fa pearlite insulations Building Materials Factory), tetraethylenepentamine 2.1
7 parts of part and substance A, the fine sand is river sand, the river sand of 0.5mm of 0.3mm, according to weight ratio 3:The mixture of 1 composition, it is described
Fibre blend is glass fibre, steel fibre, carbon fiber, according to weight ratio 9：4：The mixture of 3 compositions, the slag micropowder ratio
Surface area is 450m2/ Kg, grain size 4um, the glass bead grain size are 2um, and it is 1-3mm that chrome leather scrap, which need to be ground into grain size,.
The swelling agent is AUA cement expansive materials (Jiangmen city Zhong Jian Science and Technology Development Co., Ltd.s).
The water-reducing agent includes following raw material:
32 parts of sodium lignin sulfonate (Tianjin Ye Zi Chemical Engineering Technologies Co., Ltd), 28 parts of cornstarch, hydroxy ethyl fiber
18 parts of element, 10 parts of calcium-base bentonite, 8 parts of tert-butyl hydroperoxide, 3 parts of divinylbenzene, 20 parts of polyethylene glycol and dipheny oxide
4 parts of phosphorus.
The preparation method of the water-reducing agent is that sodium lignin sulfonate, cornstarch, polyethylene glycol are added in mixing machine,
Speed of agitator is 250r/min, mixing time 2h, hydroxyethyl cellulose is then added thereto, calcium-base bentonite carries out ultrasound
Dispersion, ultrasonic disperse 55min then add tert-butyl hydroperoxide, divinylbenzene and diphenyl phosphate oxygen and continue to stir
90min, reaction 4h is to get water-reducing agent at 85 DEG C.
The antifoaming agent is that (the universal waterborne organic silicon antifoaming agent of XPJ-S210, Changzhou is along magnificent chemical industry for organic silicon defoamer
Co., Ltd).
80min will be reacted at 3.4 parts, 75 DEG C of 3.6 parts of citric acid, 2.4 parts of pentaerythrite and dihydromethyl propionic acid, added
To reacting 1h at 3.2 parts, 70 DEG C of 0.7 part of double trimethylolpropane and ethylenediamine tetra-acetic acid, tetrabutylammonium bromide 1.6 is added
Part, react 2h, as substance A at 80 DEG C.
The preparation method of chrome leather scrap modified building cement grout material
Step 1 weighs each component raw material as required；
Step 2 by portland cement, fine sand, chrome leather scrap, fibre blend, sequentially adds homogenizer in order
In, speed of agitator 850r/min, mixing time 55min obtain mixture A, by mixture A obtained, slag micropowder, glass
Change microballon, organosilicon microballoon and tetraethylenepentamine to be sent into reaction kettle, reaction temperature is 95 DEG C, and reaction time 2h is mixed
Close object B；
Mixture B, swelling agent, water-reducing agent, antifoaming agent and substance A obtained in step 2 are sequentially added height by step 3
In fast mixing machine, speed of agitator 1400r/min, mixing time is that 95min is modified grouting to get the chrome leather scrap of the present invention
Material.
Example 3
Chrome leather scrap modified building cement grout material, which is characterized in that the composition of the high strength grout includes following
The raw material of parts by weight：
5.2 parts of 49 parts of portland cement, 35 parts of fine sand, 6 parts of chrome leather scrap, 6 parts of fibre blend, slag micropowder (Quzhous
Dong Shen building materials Co., Ltd of city), 3 parts of swelling agent, 1.1 parts of water-reducing agent, 3 parts of antifoaming agent, 4 parts of (Shenzhen Hai Yang of organosilicon microballoon
Powder Science and Technology Ltd.), 5 parts of glass bead (Xinyang Pingqiao District great Fa pearlite insulations Building Materials Factory), tetraethylenepentamine 2.1
4 parts of part and substance A, the fine sand is river sand, the river sand of 0.5mm of 0.3mm, according to weight ratio 3:The mixture of 1 composition, it is described
Fibre blend is glass fibre, steel fibre, carbon fiber, according to weight ratio 9：4：The mixture of 3 compositions, the slag micropowder ratio
Surface area is 450m2/ Kg, grain size 4um, the glass bead grain size are 2um, and it is 1-3mm that chrome leather scrap, which need to be ground into grain size,.
The swelling agent is swelling agent A.
Swelling agent A：By 18 parts of calcium sulphoaluminate, 3.5 parts of quick lime, 5.5 parts of gypsum, 2 parts of pentaerythrite, melamine
2.5 parts and 2.5 parts of compositions of the bromo- 3,5- dimethyladamantanes of 1-.
The water-reducing agent includes following raw material:
29 parts of sodium lignin sulfonate (Tianjin Ye Zi Chemical Engineering Technologies Co., Ltd), 25 parts of cornstarch, hydroxy ethyl fiber
16 parts of element, 8 parts of calcium-base bentonite, 6 parts of tert-butyl hydroperoxide, 2 parts of divinylbenzene, 17 parts of polyethylene glycol and diphenyl phosphate oxygen
2.5 part.
The preparation method of the water-reducing agent is that sodium lignin sulfonate, cornstarch, polyethylene glycol are added in mixing machine,
Speed of agitator is 175r/min, mixing time 1.5h, hydroxyethyl cellulose then is added thereto, calcium-base bentonite is surpassed
Sound disperses, and ultrasonic disperse 35min then adds tert-butyl hydroperoxide, divinylbenzene and diphenyl phosphate oxygen and continues to stir
60min, to get water-reducing agent, (the universal waterborne organic silicon antifoaming agent of XPJ-S210, Changzhou have reaction 2.5h along magnificent chemical industry at 85 DEG C
Limit company).
The antifoaming agent is organic silicon defoamer.
80min will be reacted at 3.4 parts, 75 DEG C of 3.6 parts of citric acid, 2.4 parts of pentaerythrite and dihydromethyl propionic acid, added
To reacting 1h at 3.2 parts, 70 DEG C of 0.7 part of double trimethylolpropane and ethylenediamine tetra-acetic acid, tetrabutylammonium bromide 1.6 is added
Part, 2h is reacted at 80 DEG C, obtained material is substance A.
The preparation method of chrome leather scrap modified building cement grout material
Step 1 weighs each component raw material as required；
Step 2 by portland cement, fine sand, chrome leather scrap, fibre blend, sequentially adds homogenizer in order
In, speed of agitator 800r/min, mixing time 50min obtain mixture A, by mixture A obtained, slag micropowder, glass
Change microballon, organosilicon microballoon and tetraethylenepentamine to be sent into reaction kettle, reaction temperature is 85 DEG C, and reaction time 1.5h is obtained
Mixture B；
Mixture B, swelling agent, water-reducing agent, antifoaming agent and substance A obtained in step 2 are sequentially added height by step 3
In fast mixing machine, speed of agitator 1250r/min, mixing time is that 70min is modified grouting to get the chrome leather scrap of the present invention
Material.
Example 4
Chrome leather scrap modified building cement grout material, which is characterized in that the chrome leather scrap modified building cement grout material
Composition include following parts by weight raw material：
5.2 parts of 49 parts of portland cement, 35 parts of fine sand, 5 parts of chrome leather scrap, 6 parts of fibre blend, slag micropowder (Quzhous
Dong Shen building materials Co., Ltd of city), 3 parts of swelling agent, 1.1 parts of water-reducing agent, 3 parts of antifoaming agent, 4 parts of (Shenzhen Hai Yang of organosilicon microballoon
Powder Science and Technology Ltd.), 5 parts of glass bead (Xinyang Pingqiao District great Fa pearlite insulations Building Materials Factory), tetraethylenepentamine 2.1
1 part of part and substance A, the fine sand is river sand, the river sand of 0.5mm of 0.3mm, according to weight ratio 3:The mixture of 1 composition, it is described
Fibre blend is glass fibre, steel fibre, carbon fiber, according to weight ratio 9：4：The mixture of 3 compositions, the slag micropowder ratio
Surface area is 450m2/ Kg, grain size 4um, the glass bead grain size are 2um, and it is 1-3mm that chrome leather scrap, which need to be ground into grain size,.
The swelling agent is swelling agent A.
Swelling agent A：By 24 parts of calcium sulphoaluminate, 7 parts of quick lime, 8 parts of gypsum, 3 parts of pentaerythrite, 4 parts of melamine and
4 parts of compositions of the bromo- 3,5- dimethyladamantanes of 1-.
The water-reducing agent includes following raw material:
26 parts of sodium lignin sulfonate (Tianjin Ye Zi Chemical Engineering Technologies Co., Ltd), 22 parts of cornstarch, hydroxy ethyl fiber
17 parts of element, 9 parts of calcium-base bentonite, 5 parts of tert-butyl hydroperoxide, 1 part of divinylbenzene, 14 parts of polyethylene glycol and diphenyl phosphate oxygen
3 parts.
The preparation method of the water-reducing agent is that sodium lignin sulfonate, cornstarch, polyethylene glycol are added in mixing machine,
Speed of agitator is 100r/min, mixing time 1h, hydroxyethyl cellulose is then added thereto, calcium-base bentonite carries out ultrasound
Dispersion, ultrasonic disperse 15min then add tert-butyl hydroperoxide, divinylbenzene and diphenyl phosphate oxygen and continue to stir
35min, (the universal waterborne organic silicon antifoaming agent of XPJ-S210, Changzhou are limited along magnificent chemical industry to get water-reducing agent by reaction 1h at 85 DEG C
Company).
The antifoaming agent is organic silicon defoamer.
80min will be reacted at 3.4 parts, 75 DEG C of 3.6 parts of citric acid, 2.4 parts of pentaerythrite and dihydromethyl propionic acid, added
To reacting 1h at 3.2 parts, 70 DEG C of 0.7 part of double trimethylolpropane and ethylenediamine tetra-acetic acid, tetrabutylammonium bromide 1.6 is added
Part, 2h is reacted at 80 DEG C, obtained material is substance A.
The preparation method of chrome leather scrap modified building cement grout material
Step 1 weighs each component raw material as required；
Step 2 by portland cement, fine sand, chrome leather scrap, fibre blend, sequentially adds homogenizer in order
In, speed of agitator 750r/min, mixing time 45min obtain mixture A, by mixture A obtained, slag micropowder, glass
Change microballon, organosilicon microballoon and tetraethylenepentamine to be sent into reaction kettle, reaction temperature is 95 DEG C, and reaction time 2h is mixed
Close object B；
Mixture B, swelling agent, water-reducing agent, antifoaming agent and substance A obtained in step 2 are sequentially added height by step 3
In fast mixing machine, speed of agitator 1400r/min, mixing time is that 95min is modified grouting to get the chrome leather scrap of the present invention
Material.
Example 5
Chrome leather scrap modified building cement grout material, which is characterized in that the chrome leather scrap modified building cement grout material
Composition include following parts by weight raw material：
5.2 parts of 49 parts of portland cement, 35 parts of fine sand, 6.5 parts of chrome leather scrap, 6 parts of fibre blend, slag micropowder (thoroughfares
State city Dong Shen building materials Co., Ltd), 3 parts of swelling agent, 1.1 parts of water-reducing agent, 3 parts of antifoaming agent, 4 parts of organosilicon microballoon (Shenzhen sea
Yang Fenti Science and Technology Ltd.s), 5 parts of glass bead (Xinyang Pingqiao District great Fa pearlite insulations Building Materials Factory), tetraethylenepentamine
2.1 parts and 5 parts of substance A, the fine sand is river sand, the river sand of 0.5mm of 0.3mm, according to weight ratio 3:The mixture of 1 composition,
The fibre blend is glass fibre, steel fibre, carbon fiber, according to weight ratio 9：4：The mixture of 3 compositions, the slag are micro-
Powder specific surface area is 450m2/ Kg, grain size 4um, the glass bead grain size are 2um, and it is 1- that chrome leather scrap, which need to be ground into grain size,
3mm。
The swelling agent is CSA swelling agents.
The water-reducing agent includes following raw material:
29 parts of sodium lignin sulfonate (Tianjin Ye Zi Chemical Engineering Technologies Co., Ltd), 22 parts of cornstarch, hydroxy ethyl fiber
14 parts of element, 9 parts of calcium-base bentonite, 7 parts of tert-butyl hydroperoxide, 3 parts of divinylbenzene, 16 parts of polyethylene glycol and diphenyl phosphate oxygen
3 parts.
The preparation method of the water-reducing agent is that sodium lignin sulfonate, cornstarch, polyethylene glycol are added in mixing machine,
Speed of agitator is 100r/min, mixing time 1h, hydroxyethyl cellulose is then added thereto, calcium-base bentonite carries out ultrasound
Dispersion, ultrasonic disperse 15min then add tert-butyl hydroperoxide, divinylbenzene and diphenyl phosphate oxygen and continue to stir
35min, reaction 1h is to get water-reducing agent at 85 DEG C.
The antifoaming agent is the universal waterborne organic silicon antifoaming agent of organic silicon defoamer XPJ-S210, and Changzhou has along magnificent chemical industry
Limit company).
The preparation method of substance A is：By 3.4 parts, 75 DEG C of 3.6 parts of citric acid, 2.4 parts of pentaerythrite and dihydromethyl propionic acid
Lower reaction 80min is added to reacting 1h at 3.2 parts, 70 DEG C of 0.7 part of double trimethylolpropane and ethylenediamine tetra-acetic acid, then is added
Enter and react 2h at 1.6 parts, 80 DEG C of tetrabutylammonium bromide, obtained material is substance A.
The preparation method of chrome leather scrap modified building cement grout material
Step 1 weighs each component raw material as required；
Step 2 by portland cement, fine sand, chrome leather scrap, fibre blend, sequentially adds homogenizer in order
In, speed of agitator 850r/min, mixing time 55min obtain mixture A, by mixture A obtained, slag micropowder, glass
Change microballon, organosilicon microballoon and tetraethylenepentamine to be sent into reaction kettle, reaction temperature is 95 DEG C, and reaction time 2h is mixed
Close object B；
Mixture B, swelling agent, water-reducing agent, antifoaming agent and substance A obtained in step 2 are sequentially added height by step 3
In fast mixing machine, speed of agitator 1200r/min, mixing time is that 60min is modified grouting material to get chrome leather scrap.
Comparative example 1：
Using (application number：CN201110037762.5 it) " discloses specific in a kind of adjustable gypsum base grouting material of performance
Embodiment 2.
Comparative example 2：
It is essentially identical with the material and preparation process of embodiment 3, using (application number：201710416494.5) " disclose
Specific embodiment 3 in a kind of grouting material and preparation method thereof.
The traditional performance of the grouting material of testing example and comparative example, reference standard GB/T50448-2015, the survey of chromium
Pilot production diphenyl carbazide spectrophotometry, the performance test results are as follows
1 example test data of table
As it can be seen from table 1 the present invention is superior to the intensity and mobility of comparison example in terms of intensity and mobility, together
When in 90 days and 360 days in cement dissociate chromium be not detected.
2 example test data of table (not plus tetraethylenepentamine or diphenyl phosphate oxygen)
From table 2 it can be seen that not adding tetraethylenepentamine (adding diphenyl phosphate oxygen) or diphenyl phosphate oxygen not added (to add four ethylene five
Amine) slurry mobility decline.
3 example test data of table (not plus the bromo- 3,5- dimethyladamantanes of 1-)
From table 3 it can be seen that bromo- 3, the 5- dimethyladamantanes of 1- increase intensity
4 example test data (not plus substance A) of table
| Free chromium content (90 days) | Free chromium content (360 days) | |
| Embodiment 1 | 16ppm | 1009ppm |
| Embodiment 2 | 77ppm | 3247ppm |
| Embodiment 3 | 89ppm | 4366ppm |
| Embodiment 4 | 101ppm | 1899ppm |
| Embodiment 5 | 256ppm | 4199ppm |
From table 4, it can be seen that not migrated out by free chromium plus in substance A.
5 example test data of table (adds substance A, do not add tetrabutylammonium bromide)
| Free chromium content (90 days) | Free chromium content (360 days) | |
| Embodiment 1 | 9ppm | 512ppm |
| Embodiment 2 | 21ppm | 1682ppm |
| Embodiment 3 | 33ppm | 2166ppm |
| Embodiment 4 | 71ppm | 998ppm |
| Embodiment 5 | 116ppm | 2175ppm |
As can be seen from Table 5, it is not migrated out by free chromium plus in tetrabutylammonium bromide.
Claims (8)
1. chrome leather scrap modified building cement grout material, which is characterized in that the chrome leather scrap modified building cement grout material
Composition includes the raw material of following parts by weight：
49 parts of portland cement, 35 parts of fine sand, 5~7 parts of chrome leather scrap, 6 parts of fibre blend, 5.2 parts of slag micropowder, swelling agent
3 parts, 1.1 parts of water-reducing agent, 3 parts of antifoaming agent, 4 parts of organosilicon microballoon, 5 parts of glass bead, 2.1 parts of tetraethylenepentamine and substance A 1-7
Part, the fine sand is river sand, the river sand of 0.5mm of 0.3mm, according to weight ratio 3:The mixture of 1 composition, the fibre blend
For glass fibre, steel fibre, carbon fiber, according to weight ratio 9：4：The mixture of 3 compositions, the slag micropowder specific surface area are
450m/Kg, grain size 4um, the glass bead grain size are 2um, and it is 1-3mm that chrome leather scrap, which need to be ground into grain size,.
2. chrome leather scrap modified building cement grout material according to claim 1, which is characterized in that the swelling agent is
CSA swelling agents, AUA cement expansive materials (Jiangmen city Zhong Jian Science and Technology Development Co., Ltd.s) and swelling agent A.
3. chrome leather scrap modified building cement grout material according to claim 2, it is characterised in that：Swelling agent A：By sulphur aluminium
12~24 parts of sour calcium, 2~7 parts of quick lime, 3~8 parts of gypsum, 1~3 part of pentaerythrite, 1~4 part of melamine and 1- bromo- 3,
1~4 part of composition of 5- dimethyladamantanes.
4. chrome leather scrap modified building cement grout material according to claim 1, which is characterized in that the water-reducing agent includes
Following raw material:
26-32 parts of sodium lignin sulfonate (Tianjin Ye Zi Chemical Engineering Technologies Co., Ltd), 22-28 parts of cornstarch, ethoxy are fine
Tie up 14-18 parts of element, 6-10 parts of calcium-base bentonite, 4-8 parts of tert-butyl hydroperoxide, 1-3 parts of divinylbenzene, polyethylene glycol 14-
20 parts and 1~4 part of diphenyl phosphate oxygen.
5. a kind of chrome leather scrap according to claim 4 is modified grouting material, which is characterized in that the preparation side of the water-reducing agent
Method is that sodium lignin sulfonate, cornstarch, polyethylene glycol are added in mixing machine, and speed of agitator 100-250r/min is stirred
It is 1-2h to mix the time, hydroxyethyl cellulose is then added thereto, calcium-base bentonite carries out ultrasonic disperse, ultrasonic disperse 15-
55min then adds tert-butyl hydroperoxide, divinylbenzene and diphenyl phosphate oxygen and continues to stir 35-90min, at 85 DEG C
1~4h is reacted to get water-reducing agent.
6. chrome leather scrap modified building cement grout material according to claim 1, which is characterized in that the antifoaming agent is to have
Machine silicon defoaming agent.
7. chrome leather scrap modified building cement grout material according to claim 1, it is characterised in that：The preparation side of substance A
Method is：80min will be reacted at 3.4 parts, 75 DEG C of 3.6 parts of citric acid, 2.4 parts of pentaerythrite and dihydromethyl propionic acid, added pair
1h is reacted at 3.2 parts, 70 DEG C of 0.7 part of double trimethylolpropane and ethylenediamine tetra-acetic acid, adds 1.6 parts of tetrabutylammonium bromide,
2h is reacted at 80 DEG C, obtained material is substance A.
8. chrome leather scrap modified building cement grout material as described in claim 1
Step 1 weighs each component raw material as required；
Step 2 by portland cement, fine sand, chrome leather scrap, fibre blend, sequentially adds in homogenizer in order,
Speed of agitator is 750-850r/min, and mixing time 45-55min obtains mixture A, and mixture A obtained, slag is micro-
Powder, glass bead, organosilicon microballoon and tetraethylenepentamine are sent into reaction kettle, and reaction temperature is 75-95 DEG C, reaction time 1-
2h obtains mixture B；
It is mixed to be sequentially added high speed by step 3 for mixture B, swelling agent, water-reducing agent, antifoaming agent and substance A obtained in step 2
In conjunction machine, speed of agitator 1150-1400r/min, mixing time is that 45-95min is modified filling to get the chrome leather scrap of the present invention
Slurry.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116535178A (en) * | 2023-05-22 | 2023-08-04 | 中国铁建港航局集团有限公司 | Foundation reinforcement material based on jet grouting and preparation method thereof |
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