CN109293991A - A kind of lateritic nickel ore slag with fire-retardant reinforcing property-ferrochrome slag compounded rubber filler - Google Patents
A kind of lateritic nickel ore slag with fire-retardant reinforcing property-ferrochrome slag compounded rubber filler Download PDFInfo
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- CN109293991A CN109293991A CN201811195345.1A CN201811195345A CN109293991A CN 109293991 A CN109293991 A CN 109293991A CN 201811195345 A CN201811195345 A CN 201811195345A CN 109293991 A CN109293991 A CN 109293991A
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
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- C08K3/22—Oxides; Hydroxides of metals
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08K9/06—Ingredients treated with organic substances with silicon-containing compounds
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- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
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Abstract
The invention discloses a kind of lateritic nickel ore slag with fire-retardant reinforcing property-ferrochrome slag compounded rubber filler, belongs to resource circulation utilization field.The lateritic nickel ore slag-ferrochrome slag compounded rubber filler includes two oxalic acid hydrate solution, surface modifier mixed liquor, dehydrated alcohol-acetone mixture, lateritic nickel ore slag and ferrochrome slag.The surface modifier mixed liquor is made of stearic acid, silane coupling agent KH570 and silane coupling agent KH560；The partial size of the lateritic nickel ore slag is 2.8 μm~102.0 μm；The partial size of the ferrochrome slag is 4.2 μm~113.8 μm.The price that the present invention solves existing rubber industry main stuffing carbon black and white carbon black is higher and performance is single, only there is reinforcing property, lateritic nickel ore slag-ferrochrome slag is directly added into rubber and easily reunites, and the problem that lateritic nickel ore slag-inorganic interface of ferrochrome slag is poor with the compatibility of rubber organic interface, the high added value for realizing industrial waste recycle.
Description
Technical field
The invention belongs to solid waste resource circulation utilization fields, and in particular to a kind of laterite for fire-retardant reinforced rubber filler
Nickel minerals slag-ferrochrome slag composite material and preparation method.
Background technique
Lateritic nickel ore slag is lateritic nickel ore after metalliferous mineral is recycled in acidleach, generation it is non-based on nonmetallic mineral
Metalliferous mineral, main chemical compositions SiO2、FeO、Al2O3、CaO、MgO、Cr2O3, MnO etc., wherein Al2O3With containing for MgO
It measures higher.Ferrochrome slag is the pyrometallurgical smelting generated chromium residue of when containing ferrochrome, mainly mineral hot furnace method smelting high carbon chromium
It is generated when iron, main chemical compositions SiO2、Fe2O3、Al2O3、CaO、MgO、Cr2O3、SO3、P2O5Deng wherein Al2O3With MgO
Content it is higher.Lateritic nickel ore slag and ferrochrome slag utilization rate are lower at present, and a large amount of lateritic nickel ore slags and ferrochrome slag are with outdoor stockpiling
Based on, valuable soil is not only taken up, but also can be polluted to ambient enviroment and underground water.Therefore, how on a large scale, efficiently
Using lateritic nickel ore slag and ferrochrome slag, realize the purpose of environment Reduction of Students' Study Load, reducing enterprise cost, be one and in the urgent need to address ask
Topic.
Rubber needs largely using filler in preparation process to improve as widely applied polymer material
Its mechanical property, processing performance and filling increase-volume.Currently used gum filler mainly includes carbon black, white carbon black etc., still
The production of carbon black and white carbon black not only cumbersome, but also need to consume mass energy and resource, lead to higher cost and performance
It is single, i.e., only there is reinforcing property.In face of the above problem, lateritic nickel ore slag and ferrochrome slag are as the high magnesium substance of Silicon-rich high alumina
A kind of potential fire-retardant reinforced filling, utilizes the SiO contained2, CaO play reinforcing effect, utilize MgO, the Al contained2O3It plays
Fire retardation realizes that the high added value of industrial waste recycles, and promotes smelter synergy, rubber product industry cost declining.
Summary of the invention
Price in order to solve existing rubber industry main stuffing carbon black and white carbon black is higher and performance is single, i.e., only has
Reinforcing property, lateritic nickel ore slag be directly added into rubber with ferrochrome slag easily reunite and lateritic nickel ore slag-ferrochrome slag without
The poor problem of the compatibility of machine interface and rubber organic interface, the present invention provides a kind of laterite with fire-retardant reinforcing property
Nickel minerals slag-ferrochrome slag compounded rubber filler, to solve problem above.
The present invention is achieved by the following technical programs.
The present invention provides a kind of lateritic nickel ore slag with fire-retardant reinforcing property-ferrochrome slag compounded rubber filler, this is red
Native nickel minerals slag-ferrochrome slag compounded rubber filler is formulated as follows by weight percentage:
The mass fraction of the two oxalic acid hydrates solution is 80%~95%；It is stearic in the surface modifier mixed liquor
The mass ratio of acid, silane coupling agent KH570 and silane coupling agent KH560 is 1:2:2~2:1:1, and stearic acid is technical pure, silane
Coupling agent KH570 is technical pure, and silane coupling agent KH560 is technical pure；Dehydrated alcohol in the dehydrated alcohol-acetone mixture
Mass ratio with acetone is 1:2~2:1, and dehydrated alcohol is that analysis is pure, and acetone is that analysis is pure；The partial size of the lateritic nickel ore slag is
2.8 μm~102.0 μm, chemical component (mass fraction) is SiO2(28.15%~29.24%), FeO (0.59%~
1.03%), Al2O3(25.33%~26.57%), CaO (26.82%~27.94%), MgO (9.70%~10.33%),
Cr2O3(0.59%~1.84%), MnO (1.56%~2.78%) and other (3.59%~4.87%)；The grain of the ferrochrome slag
Diameter is 4.2 μm~113.8 μm, and chemical component (mass fraction) is SiO2(3.96%~35.62%), Fe2O3(5.63%~
7.26%), Al2O3(22.54%~24.32%), CaO (0.30%~0.41%), MgO (23.68%~26.78%),
Cr2O3(6.89%~8.32%), SO3(0.061%~0.092%), P2O5(0.022%~0.037%) and other
(1.008%~2.387%).
Invention also provides above-mentioned lateritic nickel ore slag-ferrochrome slag compounded rubber filler preparation method, the preparation sides
Method includes the following steps:
Two oxalic acid hydrate solution are mixed with lateritic nickel ore slag, ferrochrome slag first, are existed using constant temperature blender with magnetic force
7h~10h is stirred to it under 60 DEG C~80 DEG C of whipping temp, mixing speed 600r/min~900r/min, then toward above-mentioned
Dehydrated alcohol-acetone mixture, surface modifier mixed liquor are added in mixture, using constant temperature blender with magnetic force in whipping temp
30 DEG C~60 DEG C, under mixing speed 400r/min~800r/min, stir 1h~3h, it is compound to obtain lateritic nickel ore slag-ferrochrome slag
Gum filler.
The principles of science of the invention:
On the one hand, it is reacted using two oxalic acid hydrate solution with part CaO in lateritic nickel ore slag, ferrochrome slag, to have
Conducive to lateritic nickel ore slag-ferrochrome slag specific surface area, pore volume and aperture is improved, achieve the purpose that abundant pore structure, improves red
The contact area and lateritic nickel ore slag-ferrochrome slag of native nickel minerals slag-ferrochrome slag reach the adsorption capacity of carbon black or white carbon black
To the effect of reinforcing rubber.
On the other hand, lateritic nickel ore slag-ferrochrome slag with good pore structure will cause moisture pick-up properties enhancing, further lead
The generation of lateritic nickel ore slag-ferrochrome slag agglomeration is caused, aggravates lateritic nickel ore slag-ferrochrome slag dispersibility in rubber and is deteriorated, institute
To use surface modifier mixed liquor, dehydrated alcohol-acetone mixture to lateritic nickel ore slag-ferrochrome slag with good pore structure
Surface is modified processing, not only can solve lateritic nickel ore slag-ferrochrome slag problem easy to reunite, but also can be further improved
Lateritic nickel ore slag-ferrochrome slag and rubber compatibility, further achievees the effect that reinforcing rubber.
In addition, containing a large amount of Al in lateritic nickel ore slag and ferrochrome slag2O3With MgO, wherein Al2O3It is the chemical combination of high rigidity
Object, fusing point are 2054 DEG C, and boiling point is 2980 DEG C；MgO is typical alkaline earth oxide, and fusing point is 2852 DEG C, and boiling point is
3600℃.Therefore Al2O3It is good refractory material with MgO, a large amount of Al will be contained2O3With lateritic nickel ore slag-ferrochrome of MgO
Slag is added in rubber, can greatly improve the flame retardant property of rubber, achieve the effect that rubber flame-retarded.
Compared with prior art, the present invention has following technical effect that
1, the present invention solve existing rubber industry main stuffing carbon black and white carbon black price it is higher and only there is reinforcement
Performance, lateritic nickel ore slag-ferrochrome slag, which are directly added into rubber, easily reunites and lateritic nickel ore slag-ferrochrome slag inorganic world
The poor problem of the compatibility of face and rubber organic interface.
2, the present invention is fire-retardant reinforced rubber filler using lateritic nickel ore slag-ferrochrome slag, and realizes industrial waste
High added value recycles, and promotes smelter synergy, rubber product industry cost declining, meets current energy conservation and environmental protection, circulation
Economic industry development requirement.
Specific embodiment
The present invention is described in detail below in conjunction with specific embodiment, but the present invention is not limited to following embodiments.
One, a kind of preparation side of the lateritic nickel ore slag with fire-retardant reinforcing property-ferrochrome slag compounded rubber filler of the present invention
Method
Embodiment 1
Component and its quality proportioning used for preparing product of the present invention 100g are as follows:
The mass fraction of the two oxalic acid hydrates solution is 80%；Stearic acid, silane in the surface modifier mixed liquor
The mass ratio of coupling agent KH570 and silane coupling agent KH560 is 1:1:1, and stearic acid is technical pure, and silane coupling agent KH570 is
Technical pure, silane coupling agent KH560 are technical pure；The quality of dehydrated alcohol and acetone in the dehydrated alcohol-acetone mixture
Than for 1:2, dehydrated alcohol be analyze it is pure, acetone be analyze it is pure；The partial size of the lateritic nickel ore slag is 3.6 μm~98.2 μm, is changed
Studying point (mass fraction) is SiO2(28.31%), FeO (0.66%), Al2O3(25.64%), CaO (27.94%), MgO
(9.81%), Cr2O3(0.75%), MnO (2.02%) and other (4.87%).The partial size of the ferrochrome slag be 4.8 μm~
110.7 μm, chemical component (mass fraction) is SiO2(34.54%), Fe2O3(5.95%), Al2O3(23.88%), CaO
(0.33%), MgO (25.43%), Cr2O3(7.64%), SO3(0.069%), P2O5(0.024%) and other (2.137%).
Two oxalic acid hydrate solution are mixed with lateritic nickel ore slag, ferrochrome slag first, are existed using constant temperature blender with magnetic force
It is stirred 8h to it under 65 DEG C of whipping temp, mixing speed 900r/min, dehydrated alcohol-is then added into said mixture
Acetone mixture, surface modifier mixed liquor, using constant temperature blender with magnetic force in 30 DEG C of whipping temp, mixing speed 700r/min
Under, 2h is stirred, lateritic nickel ore slag-ferrochrome slag compounded rubber filler is obtained.
Embodiment 2
Component and its quality proportioning used for preparing product of the present invention 100g are as follows:
The mass fraction of the two oxalic acid hydrates solution is 90%；Stearic acid, silane in the surface modifier mixed liquor
The mass ratio of coupling agent KH570 and silane coupling agent KH560 is 1:2:2, and stearic acid is technical pure, and silane coupling agent KH570 is
Technical pure, silane coupling agent KH560 are technical pure；The quality of dehydrated alcohol and acetone in the dehydrated alcohol-acetone mixture
Than for 2:1, dehydrated alcohol be analyze it is pure, acetone be analyze it is pure；The partial size of the lateritic nickel ore slag is 3.2 μm~96.9 μm, is changed
Studying point (mass fraction) is SiO2(28.15%), FeO (0.79%), Al2O3(26.52%), CaO (27.51%), MgO
(10.29%), Cr2O3(0.77%), MnO (1.86%) and other (4.11%).The partial size of the ferrochrome slag be 5.2 μm~
110.3 μm, chemical component (mass fraction) is SiO2(35.27%), Fe2O3(7.26%), Al2O3(24.03%), CaO
(0.38%), MgO (23.68%), Cr2O3(6.89%), SO3(0.092%), P2O5(0.037%) and other (2.361%).
Two oxalic acid hydrate solution are mixed with lateritic nickel ore slag, ferrochrome slag first, are existed using constant temperature blender with magnetic force
It is stirred 10h to it under 80 DEG C of whipping temp, mixing speed 700r/min, anhydrous second is then added into said mixture
Alcohol-acetone mixture, surface modifier mixed liquor, using constant temperature blender with magnetic force in 40 DEG C of whipping temp, mixing speed 600r/
Under min, 1h is stirred, obtains lateritic nickel ore slag-ferrochrome slag compounded rubber filler.
Embodiment 3
Component and its quality proportioning used for preparing product of the present invention 100g are as follows:
The mass fraction of the two oxalic acid hydrates solution is 95%；Stearic acid, silane in the surface modifier mixed liquor
The mass ratio of coupling agent KH570 and silane coupling agent KH560 is 2:1:1, and stearic acid is technical pure, and silane coupling agent KH570 is
Technical pure, silane coupling agent KH560 are technical pure；The quality of dehydrated alcohol and acetone in the dehydrated alcohol-acetone mixture
Than for 1:1, dehydrated alcohol be analyze it is pure, acetone be analyze it is pure；The partial size of the lateritic nickel ore slag is 4.4 μm~101.8 μm, is changed
Studying point (mass fraction) is SiO2(28.55%), FeO (0.59%), Al2O3(26.57%), CaO (27.67%), MgO
(10.33%), Cr2O3(0.59%), MnO (1.56%) and other (4.14%).The partial size of the ferrochrome slag be 5.0 μm~
100.9 μm, chemical component (mass fraction) is SiO2(35.62%), Fe2O3(6.53%), Al2O3(24.32%), CaO
(0.41%), MgO (24.95%), Cr2O3(7.05%), SO3(0.081%), P2O5(0.031%) and other (1.008%).
Two oxalic acid hydrate solution are mixed with lateritic nickel ore slag, ferrochrome slag first, are existed using constant temperature blender with magnetic force
It is stirred 7h to it under 60 DEG C of whipping temp, mixing speed 600r/min, dehydrated alcohol-is then added into said mixture
Acetone mixture, surface modifier mixed liquor, using constant temperature blender with magnetic force in 60 DEG C of whipping temp, mixing speed 400r/min
Under, 3h is stirred, lateritic nickel ore slag-ferrochrome slag compounded rubber filler is obtained.
Embodiment 4
Component and its quality proportioning used for preparing product of the present invention 100g are as follows:
The mass fraction of the two oxalic acid hydrates solution is 85%；Stearic acid, silane in the surface modifier mixed liquor
The mass ratio of coupling agent KH570 and silane coupling agent KH560 is 1:2:2, and stearic acid is technical pure, and silane coupling agent KH570 is
Technical pure, silane coupling agent KH560 are technical pure；The quality of dehydrated alcohol and acetone in the dehydrated alcohol-acetone mixture
Than for 1:1, dehydrated alcohol be analyze it is pure, acetone be analyze it is pure；The partial size of the lateritic nickel ore slag is 4.5 μm~98.7 μm, is changed
Studying point (mass fraction) is SiO2(28.91%), FeO (0.83%), Al2O3(25.51%), CaO (27.12%), MgO
(9.83%), Cr2O3(1.37%), MnO (2.51%) and other (3.92%).The partial size of the ferrochrome slag be 4.2 μm~
112.5 μm, chemical component (mass fraction) is SiO2(35.14%), Fe2O3(6.58%), Al2O3(24.08%), CaO
(0.37%), MgO (24.69%), Cr2O3(7.19%), SO3(0.080%), P2O5(0.029%) and other (1.841%).
Two oxalic acid hydrate solution are mixed with lateritic nickel ore slag, ferrochrome slag first, are existed using constant temperature blender with magnetic force
It is stirred 9h to it under 70 DEG C of whipping temp, mixing speed 800r/min, dehydrated alcohol-is then added into said mixture
Acetone mixture, surface modifier mixed liquor, using constant temperature blender with magnetic force in 50 DEG C of whipping temp, mixing speed 800r/min
Under, 1.5h is stirred, lateritic nickel ore slag-ferrochrome slag compounded rubber filler is obtained.
Embodiment 5
Component and its quality proportioning used for preparing product of the present invention 100g are as follows:
The mass fraction of the two oxalic acid hydrates solution is 90%；Stearic acid, silane in the surface modifier mixed liquor
The mass ratio of coupling agent KH570 and silane coupling agent KH560 is 2:1:1, and stearic acid is technical pure, and silane coupling agent KH570 is
Technical pure, silane coupling agent KH560 are technical pure；The quality of dehydrated alcohol and acetone in the dehydrated alcohol-acetone mixture
Than for 1:2, dehydrated alcohol be analyze it is pure, acetone be analyze it is pure；The partial size of the lateritic nickel ore slag is 3.9 μm~99.8 μm, is changed
Studying point (mass fraction) is SiO2(28.80%), FeO (1.03%), Al2O3(25.33%), CaO (26.82%), MgO
(9.70%), Cr2O3(1.84%), MnO (2.78%) and other (3.70%).The partial size of the ferrochrome slag be 4.7 μm~
113.8 μm, chemical component (mass fraction) is SiO2(33.96%), Fe2O3(5.63%), Al2O3(22.54%), CaO
(0.30%), MgO (26.78%), Cr2O3(8.32%), SO3(0.061%), P2O5(0.022%) and other (2.387%).
Two oxalic acid hydrate solution are mixed with lateritic nickel ore slag, ferrochrome slag first, are existed using constant temperature blender with magnetic force
It is stirred 8h to it under 75 DEG C of whipping temp, mixing speed 700r/min, dehydrated alcohol-is then added into said mixture
Acetone mixture, surface modifier mixed liquor, using constant temperature blender with magnetic force in 60 DEG C of whipping temp, mixing speed 500r/min
Under, 2.5h is stirred, lateritic nickel ore slag-ferrochrome slag compounded rubber filler is obtained.
Embodiment 6
Component and its quality proportioning used for preparing product of the present invention 100g are as follows:
The mass fraction of the two oxalic acid hydrates solution is 80%；Stearic acid, silane in the surface modifier mixed liquor
The mass ratio of coupling agent KH570 and silane coupling agent KH560 is 1:1:1, and stearic acid is technical pure, and silane coupling agent KH570 is
Technical pure, silane coupling agent KH560 are technical pure；The quality of dehydrated alcohol and acetone in the dehydrated alcohol-acetone mixture
Than for 2:1, dehydrated alcohol be analyze it is pure, acetone be analyze it is pure；The partial size of the lateritic nickel ore slag is 3.1 μm~102.0 μm, is changed
Studying point (mass fraction) is SiO2(29.24%), FeO (0.84%), Al2O3(25.37%), CaO (27.27%), MgO
(9.80%), Cr2O3(1.36%), MnO (2.53%) and other (3.59%).The partial size of the ferrochrome slag is 5.5 μm~98.6
μm, chemical component (mass fraction) is SiO2(34.91%), Fe2O3(6.39%), Al2O3(23.77%), CaO (0.38%),
MgO (25.12%), Cr2O3(7.42%), SO3(0.077%), P2O5(0.028%) and other (1.905%).
Two oxalic acid hydrate solution are mixed with lateritic nickel ore slag, ferrochrome slag first, are existed using constant temperature blender with magnetic force
It is stirred 10h to it under 65 DEG C of whipping temp, mixing speed 600r/min, anhydrous second is then added into said mixture
Alcohol-acetone mixture, surface modifier mixed liquor, using constant temperature blender with magnetic force in 30 DEG C of whipping temp, mixing speed 700r/
Under min, 2h is stirred, obtains lateritic nickel ore slag-ferrochrome slag compounded rubber filler.
Comparative example 1
Component and its quality proportioning used for preparing product of the present invention 100g are as follows:
The mass fraction of the two oxalic acid hydrates solution is 80%；Stearic acid, silane in the surface modifier mixed liquor
The mass ratio of coupling agent KH570 and silane coupling agent KH560 is 1:1:1, and stearic acid is technical pure, and silane coupling agent KH570 is
Technical pure, silane coupling agent KH560 are technical pure；The quality of dehydrated alcohol and acetone in the dehydrated alcohol-acetone mixture
Than for 2:1, dehydrated alcohol be analyze it is pure, acetone be analyze it is pure；The partial size of the lateritic nickel ore slag is 3.1 μm~102.0 μm, is changed
Studying point (mass fraction) is SiO2(29.24%), FeO (0.84%), Al2O3(25.37%), CaO (27.27%), MgO
(9.80%), Cr2O3(1.36%), MnO (2.53%) and other (3.59%).The partial size of the ferrochrome slag is 5.5 μm~98.6
μm, chemical component (mass fraction) is SiO2(34.91%), Fe2O3(6.39%), Al2O3(23.77%), CaO (0.38%),
MgO (25.12%), Cr2O3(7.42%), SO3(0.077%), P2O5(0.028%) and other (1.905%).
Two oxalic acid hydrate solution are mixed with lateritic nickel ore slag, ferrochrome slag first, are existed using constant temperature blender with magnetic force
It is stirred 10h to it under 65 DEG C of whipping temp, mixing speed 600r/min, anhydrous second is then added into said mixture
Alcohol-acetone mixture, surface modifier mixed liquor, using constant temperature blender with magnetic force in 30 DEG C of whipping temp, mixing speed 700r/
Under min, 2h is stirred, obtains lateritic nickel ore slag-ferrochrome slag compounded rubber filler.
Comparative example 2
Component and its quality proportioning used for preparing product of the present invention 100g are as follows:
The mass fraction of the two oxalic acid hydrates solution is 80%；Stearic acid, silane in the surface modifier mixed liquor
The mass ratio of coupling agent KH570 and silane coupling agent KH560 is 1:1:1, and stearic acid is technical pure, and silane coupling agent KH570 is
Technical pure, silane coupling agent KH560 are technical pure；The quality of dehydrated alcohol and acetone in the dehydrated alcohol-acetone mixture
Than for 2:1, dehydrated alcohol be analyze it is pure, acetone be analyze it is pure；The partial size of the lateritic nickel ore slag is 3.1 μm~102.0 μm, is changed
Studying point (mass fraction) is SiO2(29.24%), FeO (0.84%), Al2O3(25.37%), CaO (27.27%), MgO
(9.80%), Cr2O3(1.36%), MnO (2.53%) and other (3.59%).The partial size of the ferrochrome slag is 5.5 μm~98.6
μm, chemical component (mass fraction) is SiO2(34.91%), Fe2O3(6.39%), Al2O3(23.77%), CaO (0.38%),
MgO (25.12%), Cr2O3(7.42%), SO3(0.077%), P2O5(0.028%) and other (1.905%).
Two oxalic acid hydrate solution are mixed with lateritic nickel ore slag, ferrochrome slag first, are existed using constant temperature blender with magnetic force
It is stirred 10h to it under 65 DEG C of whipping temp, mixing speed 600r/min, anhydrous second is then added into said mixture
Alcohol-acetone mixture, surface modifier mixed liquor, using constant temperature blender with magnetic force in 30 DEG C of whipping temp, mixing speed 700r/
Under min, 2h is stirred, obtains lateritic nickel ore slag-ferrochrome slag compounded rubber filler.
Comparative example 3
Component and its quality proportioning used for preparing product of the present invention 100g are as follows:
The mass fraction of the two oxalic acid hydrates solution is 80%；Stearic acid, silane in the surface modifier mixed liquor
The mass ratio of coupling agent KH570 and silane coupling agent KH560 is 1:1:1, and stearic acid is technical pure, and silane coupling agent KH570 is
Technical pure, silane coupling agent KH560 are technical pure；The quality of dehydrated alcohol and acetone in the dehydrated alcohol-acetone mixture
Than for 2:1, dehydrated alcohol be analyze it is pure, acetone be analyze it is pure；The partial size of the lateritic nickel ore slag is 3.1 μm~102.0 μm, is changed
Studying point (mass fraction) is SiO2(29.24%), FeO (0.84%), Al2O3(25.37%), CaO (27.27%), MgO
(9.80%), Cr2O3(1.36%), MnO (2.53%) and other (3.59%).The partial size of the ferrochrome slag is 5.5 μm~98.6
μm, chemical component (mass fraction) is SiO2(34.91%), Fe2O3(6.39%), Al2O3(23.77%), CaO (0.38%),
MgO (25.12%), Cr2O3(7.42%), SO3(0.077%), P2O5(0.028%) and other (1.905%).
Two oxalic acid hydrate solution are mixed with lateritic nickel ore slag, ferrochrome slag first, are existed using constant temperature blender with magnetic force
It is stirred 10h to it under 65 DEG C of whipping temp, mixing speed 600r/min, anhydrous second is then added into said mixture
Alcohol-acetone mixture, surface modifier mixed liquor, using constant temperature blender with magnetic force in 30 DEG C of whipping temp, mixing speed 700r/
Under min, 2h is stirred, obtains lateritic nickel ore slag-ferrochrome slag compounded rubber filler.
Comparative example 4
Component and its quality proportioning used for preparing product of the present invention 100g are as follows:
The mass fraction of the two oxalic acid hydrates solution is 80%；Stearic acid, silane in the surface modifier mixed liquor
The mass ratio of coupling agent KH570 and silane coupling agent KH560 is 1:1:1, and stearic acid is technical pure, and silane coupling agent KH570 is
Technical pure, silane coupling agent KH560 are technical pure；The quality of dehydrated alcohol and acetone in the dehydrated alcohol-acetone mixture
Than for 2:1, dehydrated alcohol be analyze it is pure, acetone be analyze it is pure.
Utilize constant temperature blender with magnetic force in 65 DEG C of whipping temp, mixing speed 600r/min two oxalic acid hydrate solution first
Under 10h is stirred to it, then into said mixture be added dehydrated alcohol-acetone mixture, surface modifier mixed liquor,
Using constant temperature blender with magnetic force at 30 DEG C of whipping temp, mixing speed 700r/min, 2h is stirred, obtains solution.
Two, the Mechanics Performance Testing after rubber is added in lateritic nickel ore slag of the present invention-ferrochrome slag
Examples 1 to 6 and comparative example 1~4 are prepared, performance testing process is as follows:
After butadiene-styrene rubber (50 parts), natural rubber (50 parts) are put into open mill thin logical 3~5 times, natural rubber is added
Mixer (70 DEG C of smelting temperature) is kneaded 3min, sequentially adds zinc oxide (2.5 parts) aggregate sample and is kneaded 1min, carbon black (30 is added
Part) and lateritic nickel ore slag-ferrochrome slag compounded rubber filler (20 parts) aggregate sample mixing 1min, addition promotor (1.0 parts) and sulphur
Spare, i.e. mixing glue is taken out after (1.5 parts) mixing 1min of sulphur；It is logical 6~8 times thin that mixing glue is put into open mill, is beaten triangle bag 5 times
After park 12h after, weigh the mixing glue of 60g, vulcanized using four-column type vulcanizing press, curing temperature be 145 DEG C, vulcanization
It places after a certain period of time for 24 hours, obtains lateritic nickel ore slag-ferrochrome slag compounded rubber.
" measurement of vulcanized rubber or thermoplastic elastomer tensile stress-strain performance " (GB/T528-2009) tests laterite nickel
Slag-ferrochrome slag compounded rubber tensile property；" measurement (pants type, right angle of vulcanized rubber or thermoplastic elastomer tearing strength
Shape, crescent sample) " (GB/T529-2008) test lateritic nickel ore slag-ferrochrome slag compounded rubber tearing strength；" vulcanization rubber
Glue or thermoplastic elastomer penetration hardness test method part 1: Shore durometer method (Shao Er hardness) " test lateritic nickel ore slag-
The hardness of ferrochrome slag compounded rubber；" Plastics Combustion method for testing performance oxygen index method " (GB/T2406-1993) tests laterite nickel
Slag-ferrochrome slag compounded rubber limit oxygen index (LOI)；" equipment and device plastic material combustibility test method UL94 "
(ISBN0-7629-0082-2) lateritic nickel ore slag-ferrochrome slag compounded rubber vertical combustion rank is tested.
1. lateritic nickel ore slag of table-ferrochrome slag compounded rubber mechanical property and flame retardant property
Claims (4)
1. a kind of lateritic nickel ore slag with fire-retardant reinforcing property-ferrochrome slag compounded rubber filler, which is characterized in that by weight hundred
Divide than meter, it is as follows to prepare the lateritic nickel ore slag-ferrochrome slag compounded rubber filler material:
The mass fraction of the two oxalic acid hydrates solution is 80%~95%；
The surface modifier mixed liquor is made of stearic acid, silane coupling agent KH570 and silane coupling agent KH560；
The partial size of the lateritic nickel ore slag is 2.8 μm~102.0 μm, chemical component, by weight percent than being calculated as:
The partial size of the ferrochrome slag is 4.2 μm~113.8 μm, chemical component, by weight percent than being calculated as:
2. a kind of lateritic nickel ore slag with fire-retardant reinforcing property-ferrochrome slag compounded rubber filler as described in claim 1,
It is characterized in that, the quality of stearic acid, silane coupling agent KH570 and silane coupling agent KH560 in the surface modifier mixed liquor
Than for 1:2:2~2:1:1, stearic acid is technical pure, silane coupling agent KH570 is technical pure, and silane coupling agent KH560 is industry
It is pure.
3. a kind of lateritic nickel ore slag with fire-retardant reinforcing property-ferrochrome slag compounded rubber filler as described in claim 1,
It is characterized in that, the mass ratio of dehydrated alcohol and acetone is 1:2~2:1 in the dehydrated alcohol-acetone mixture, and dehydrated alcohol is
Analyze it is pure, acetone be analyze it is pure.
4. a kind of as described in claim 1 with lateritic nickel ore slag-ferrochrome slag compounded rubber filler system of fire-retardant reinforcing property
Preparation Method, it is characterised in that include the following steps:
Two oxalic acid hydrate solution are mixed with lateritic nickel ore slag, ferrochrome slag first, are being stirred using constant temperature blender with magnetic force
7h~10h is stirred to it under temperature 60 C~80 DEG C, mixing speed 600r/min~900r/min, then toward above-mentioned mixing
Dehydrated alcohol-acetone mixture, surface modifier mixed liquor are added in object, using constant temperature blender with magnetic force at 30 DEG C of whipping temp
~60 DEG C, under mixing speed 400r/min~800r/min, stir 1h~3h, obtain lateritic nickel ore slag-ferrochrome slag compounded rubber
Filler.
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| CN110330242A (en) * | 2019-07-05 | 2019-10-15 | 安徽工业大学 | A kind of compound alkali-activated carbonatite solid waste type high-performance inorganic glue and preparation method thereof |
| CN110408254A (en) * | 2019-07-03 | 2019-11-05 | 安徽工业大学 | The fire-retardant, antirust of one kind metallurgical solid waste pigments and fillers integrated with constitution and preparation method thereof |
| CN110982302A (en) * | 2019-10-30 | 2020-04-10 | 安徽工业大学 | Composite modified dust mud kiln slag superfine powder for rubber filler and preparation method thereof |
| BE1027693B1 (en) * | 2019-11-04 | 2021-06-25 | Univ Anhui Technology | Reinforced, flame retardant, wear-resistant, fully industrial composite rubber filler for solid waste and its manufacturing process |
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| BE1027693B1 (en) * | 2019-11-04 | 2021-06-25 | Univ Anhui Technology | Reinforced, flame retardant, wear-resistant, fully industrial composite rubber filler for solid waste and its manufacturing process |
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Application publication date: 20190201 |