CN109337122A - A kind of montmorillonite with fire-retardant reinforcing property-lateritic nickel ore slag compounded rubber filler - Google Patents
A kind of montmorillonite with fire-retardant reinforcing property-lateritic nickel ore slag compounded rubber filler Download PDFInfo
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- CN109337122A CN109337122A CN201811195223.2A CN201811195223A CN109337122A CN 109337122 A CN109337122 A CN 109337122A CN 201811195223 A CN201811195223 A CN 201811195223A CN 109337122 A CN109337122 A CN 109337122A
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Abstract
The invention discloses a kind of montmorillonite with fire-retardant reinforcing property-lateritic nickel ore slag compounded rubber fillers, belong to resource high added value recycling field and solid waste resource circulation utilization field.The montmorillonite-lateritic nickel ore slag compounded rubber filler includes cetyl trimethylammonium bromide, water, Silane coupling agent KH550-stearic acid mixed liquor, dehydrated alcohol and montmorillonite-lateritic nickel ore slag mixture.The present invention solves reinforced filling price height in existing rubber industry and performance is single, fire-retardant filler does not have reinforcing property, montmorillonite-lateritic nickel ore slag is directly added into rubber and easily reunites, montmorillonite-inorganic interface of lateritic nickel ore slag and the compatibility of rubber organic interface are poor, and montmorillonite and lateritic nickel ore slag utilize the low problem of added value, resource high added value is realized to recycle and solid waste resource circulation utilization, promotion rubber product industry cost declining.
Description
Technical field
The invention belongs to resource high added value recycling fields and solid waste resource circulation utilization field, and in particular to a kind of
Montmorillonite-lateritic nickel ore slag compounded rubber filler and preparation method thereof for fire-retardant reinforced rubber filler.
Background technique
Largely contain the montmorillonite being made of the silicate lamella of nanometer grade thickness in China, mainly includes calcium Ji Mengtuo
Soil, sodium-based montmorillonite, Sodium/Calcium base montmorillonite and magnesium-based montmorillonite, however for montmorillonite application presently, there are added value compared with
Low problem.Lateritic nickel ore slag is lateritic nickel ore after metalliferous mineral is recycled in acidleach, generation based on nonmetallic mineral
Nonmetallic mineral, main chemical compositions SiO2、FeO、Al2O3、CaO、MgO、Cr2O3, MnO etc., wherein Al2O3With MgO's
Content is higher, and a large amount of lateritic nickel ore slags do not only take up valuable soil based on outdoor stockpiling at present, but also can be to ambient enviroment
It is polluted with underground water.Therefore, how extensive and high added value using montmorillonite and lateritic nickel ore slag, realize that environment subtracts
Negative, reducing enterprise cost purpose, is a problem in the urgent need to address.Rubber is widely used as a kind of polymer material
It lives closely bound up field in vehicular traffic tire, adhesive tape, sebific duct, waterproof material etc. and people.In rubber system for processed
Cheng Zhong needs to be added reinforced filling not only to improve the mechanical property of rubber, processing performance and filling increase-volume；And it needs to be added
Fire-retardant filler is to improve the combustibility of rubber.Reinforced filling is mainly carbon black or white carbon black at present, and production technology is many and diverse, right
The energy and consumed resource are big, and leading to market price is 6000~8000 yuan/ton；Fire-retardant filler be mainly halogen based flame retardant or
Inorganic based flame retardant, wherein halogen fire retardant effect is good, but toxic gas is discharged during fire-retardant, leads to people and ring
Border causes damages, and inorganic amount of flame-retardant agent is big, will affect the mechanical property of material.In face of the above problem, montmorillonite is utilized
MgO, the Al contained in the special effects and montmorillonite and lateritic nickel ore slag that nano-scale has2O3, research and development have fire-retardant
The compounded rubber filler of reinforcing property realizes that resource high added value recycles and solid waste resource circulation utilization, promotion rubber system
Conduct industry cost declining.
Summary of the invention
Reinforced filling price is high and performance is single in order to solve in existing rubber industry, and fire-retardant filler does not have reinforcing
Can, montmorillonite-lateritic nickel ore slag is directly added into rubber and easily reunites, montmorillonite-inorganic interface of lateritic nickel ore slag and rubber
The compatibility of glue organic interface is poor and montmorillonite and lateritic nickel ore slag are using the low problem of added value, the present invention provides
A kind of montmorillonite with fire-retardant reinforcing property-lateritic nickel ore 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 montmorillonite with fire-retardant reinforcing property-lateritic nickel ore slag compounded rubber filler, the illiteracies
De- soil-lateritic nickel ore slag compounded rubber filler is formulated as follows by weight percentage:
The cetyl trimethylammonium bromide is that analysis is pure；The water is deionized water；The silane coupling agent
Silane coupling agent KH550 and stearic mass ratio are 1:3~3:1, Silane coupling agent KH550 in KH550- stearic acid mixed liquor
For technical pure, stearic acid is that analysis is pure；The dehydrated alcohol is that analysis is pure；It is covered in the montmorillonite-lateritic nickel ore slag mixture
The mass ratio of de- soil and lateritic nickel ore slag is 1:1~4:1, and montmorillonite is calcium-base montmorillonite, sodium-based montmorillonite, Sodium/Calcium Ji Mengtuo
Soil or magnesium-based montmorillonite, the partial size of lateritic nickel ore slag are 2.8 μm~102.0 μm, and 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%).
Invention also provides above-mentioned montmorillonite-lateritic nickel ore slag compounded rubber filler preparation method, the preparation sides
Method includes the following steps:
Firstly, with mixing speed being that 2000~4000r/min is uniformly mixed after 4~8h and stood 6h and obtains by montmorillonite and water
Obtain montmorillonite solution；Cetyl trimethylammonium bromide and 2~5mL concentrated hydrochloric acid stirring to obtain are protonated into solution, and stirred
Mixing speed is 2000~4000r/min and under conditions of whipping temp is 60~80 DEG C, and it is de- that above-mentioned solution is added drop-wise to illiteracy dropwise
In native solution, time for adding is 100~150min；Above-mentioned substance is dried to perseverance in the baking oven that temperature is 80 DEG C
Weight obtains modified montmorillonoid.Secondly, Silane coupling agent KH550-stearic acid mixed liquor is dissolved in dehydrated alcohol, and with stirring
Under conditions of speed is 3000~5000r/min and whipping temp is 20~50 DEG C, by above-mentioned solution and modified montmorillonoid, laterite
Nickel minerals slag carries out 6~10h of mixing, obtains montmorillonite-lateritic nickel ore slag compounded rubber filler.
The principles of science of the invention:
On the one hand, intercalation processing is carried out to montmorillonite using cetyl trimethylammonium bromide, is covered to be conducive to improve
The lipophilicity between the interlamellar spacing rate and specific surface area and montmorillonite layer of soil is taken off, to reach enhancing montmorillonite to carbon black or white
The adsorption capacity of carbon black realizes the effect to reinforcing rubber performance.
On the other hand, the montmorillonite with good lamellar structure will cause moisture absorption with having the lateritic nickel ore slag of abundant structure
Performance enhancement leads to the generation of montmorillonite-lateritic nickel ore slag agglomeration, aggravates montmorillonite-lateritic nickel ore slag and divides in rubber
It dissipates property to be deteriorated, so using Silane coupling agent KH550-stearic acid mixed liquor, dehydrated alcohol mixed liquor to good lamella knot
The montmorillonite of structure is modified processing with having the lateritic nickel ore slag of abundant structure, not only can solve montmorillonite-lateritic nickel ore
Slag problem easy to reunite, and can be further improved montmorillonite-lateritic nickel ore slag and rubber compatibility, further reaches pair
The effect of reinforcing rubber performance.
In addition, containing a large amount of Al in montmorillonite and lateritic nickel ore 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 montmorillonite-lateritic nickel ore 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 solves reinforced filling price height in existing rubber industry and performance is single, and fire-retardant filler, which does not have, to be mended
Epistasis energy, montmorillonite-lateritic nickel ore slag are directly added into rubber and easily reunite, the montmorillonite-inorganic interface of lateritic nickel ore slag
With the compatibility of rubber organic interface is poor and montmorillonite and lateritic nickel ore slag utilize the low problem of added value.
2, the present invention is fire-retardant reinforced rubber filler using montmorillonite-lateritic nickel ore slag, and it is additional to realize resource height
Value recycle with solid waste resource circulation utilization, to reduce rubber product industry cost be of great significance, meet when prosthomere is followed
The industry development requirement of ring economy.
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 montmorillonite with fire-retardant reinforcing property-lateritic nickel ore 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:
Silane coupling agent KH550 and stearic mass ratio are 1 in the Silane coupling agent KH550-stearic acid mixed liquor:
2, Silane coupling agent KH550 is technical pure, and stearic acid is that analysis is pure；Montmorillonite in the montmorillonite-lateritic nickel ore slag mixture
Mass ratio with lateritic nickel ore slag is 3:1, and montmorillonite is sodium-based montmorillonite, and the partial size of lateritic nickel ore slag is 3.6 μm~98.2 μm,
Chemical component (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%).
Firstly, with mixing speed being that 2500r/min is uniformly mixed after 5h and stood 6h and obtains montmorillonite by montmorillonite and water
Solution；Cetyl trimethylammonium bromide and 5mL concentrated hydrochloric acid stirring to obtain are protonated into solution, and low whipping speed is
Under conditions of 25000r/min and whipping temp are 65 DEG C, above-mentioned solution is added drop-wise to dropwise in montmorillonite solution, when being added dropwise
Between be 140min；Above-mentioned substance is dried to constant weight in the baking oven that temperature is 80 DEG C, obtains modified montmorillonoid.Secondly,
Silane coupling agent KH550-stearic acid mixed liquor is dissolved in dehydrated alcohol, and is 4000r/min and stirring temperature with mixing speed
Under conditions of degree is 30 DEG C, above-mentioned solution is carried out to mix 8h with modified montmorillonoid, lateritic nickel ore slag, obtains montmorillonite-laterite
Nickel minerals slag compounded rubber filler.
Embodiment 2
Component and its quality proportioning used for preparing product of the present invention 100g are as follows:
Silane coupling agent KH550 and stearic mass ratio are 3 in the Silane coupling agent KH550-stearic acid mixed liquor:
1, Silane coupling agent KH550 is technical pure, and stearic acid is that analysis is pure；Montmorillonite in the montmorillonite-lateritic nickel ore slag mixture
Mass ratio with lateritic nickel ore slag is 2:1, and montmorillonite is magnesium-based montmorillonite, and the partial size of lateritic nickel ore slag is 3.2 μm~96.9 μm,
Chemical component (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%).
Firstly, with mixing speed being that 3500r/min is uniformly mixed after 7h and stood 6h and obtains montmorillonite by montmorillonite and water
Solution；Cetyl trimethylammonium bromide and 3mL concentrated hydrochloric acid stirring to obtain are protonated into solution, and low whipping speed is
Under conditions of 3500r/min and whipping temp are 80 DEG C, above-mentioned solution is added drop-wise to dropwise in montmorillonite solution, time for adding
For 100min；Above-mentioned substance is dried to constant weight in the baking oven that temperature is 80 DEG C, obtains modified montmorillonoid.Secondly, will
Silane coupling agent KH550-stearic acid mixed liquor is dissolved in dehydrated alcohol, and with mixing speed for 3000r/min and whipping temp
Under conditions of 50 DEG C, above-mentioned solution is carried out to mix 9h with modified montmorillonoid, lateritic nickel ore slag, obtains montmorillonite-laterite nickel
Slag compounded rubber filler.
Embodiment 3
Component and its quality proportioning used for preparing product of the present invention 100g are as follows:
Silane coupling agent KH550 and stearic mass ratio are 1 in the Silane coupling agent KH550-stearic acid mixed liquor:
1, Silane coupling agent KH550 is technical pure, and stearic acid is that analysis is pure；Montmorillonite in the montmorillonite-lateritic nickel ore slag mixture
Mass ratio with lateritic nickel ore slag is 4:1, and montmorillonite is calcium-base montmorillonite, and the partial size of lateritic nickel ore slag is 4.4 μm~101.8 μ
M, chemical component (mass fraction) are 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%).
Firstly, with mixing speed being that 2000r/min is uniformly mixed after 8h and stood 6h and obtains montmorillonite by montmorillonite and water
Solution；Cetyl trimethylammonium bromide and 2mL concentrated hydrochloric acid stirring to obtain are protonated into solution, and low whipping speed is
Under conditions of 2000r/min and whipping temp are 70 DEG C, above-mentioned solution is added drop-wise to dropwise in montmorillonite solution, time for adding
For 110min；Above-mentioned substance is dried to constant weight in the baking oven that temperature is 80 DEG C, obtains modified montmorillonoid.Secondly, will
Silane coupling agent KH550-stearic acid mixed liquor is dissolved in dehydrated alcohol, and with mixing speed for 5000r/min and whipping temp
Under conditions of 40 DEG C, above-mentioned solution is carried out to mix 6h with modified montmorillonoid, lateritic nickel ore slag, obtains montmorillonite-laterite nickel
Slag compounded rubber filler.
Embodiment 4
Component and its quality proportioning used for preparing product of the present invention 100g are as follows:
Silane coupling agent KH550 and stearic mass ratio are 1 in the Silane coupling agent KH550-stearic acid mixed liquor:
3, Silane coupling agent KH550 is technical pure, and stearic acid is that analysis is pure；Montmorillonite in the montmorillonite-lateritic nickel ore slag mixture
Mass ratio with lateritic nickel ore slag is 1:1, and montmorillonite is Sodium/Calcium base montmorillonite, and the partial size of lateritic nickel ore slag is 4.5 μm~98.7
μm, chemical component (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%).
Firstly, with mixing speed being that 4000r/min is uniformly mixed after 4h and stood 6h and obtains montmorillonite by montmorillonite and water
Solution；Cetyl trimethylammonium bromide and 4mL concentrated hydrochloric acid stirring to obtain are protonated into solution, and low whipping speed is
Under conditions of 4000r/min and whipping temp are 60 DEG C, above-mentioned solution is added drop-wise to dropwise in montmorillonite solution, time for adding
For 130min；Above-mentioned substance is dried to constant weight in the baking oven that temperature is 80 DEG C, obtains modified montmorillonoid.Secondly, will
Silane coupling agent KH550-stearic acid mixed liquor is dissolved in dehydrated alcohol, and with mixing speed for 3500r/min and whipping temp
Under conditions of 20 DEG C, above-mentioned solution is carried out to mix 10h with modified montmorillonoid, lateritic nickel ore slag, obtains montmorillonite-laterite nickel
Slag compounded rubber filler.
Embodiment 5
Component and its quality proportioning used for preparing product of the present invention 100g are as follows:
Silane coupling agent KH550 and stearic mass ratio are 2 in the Silane coupling agent KH550-stearic acid mixed liquor:
1, Silane coupling agent KH550 is technical pure, and stearic acid is that analysis is pure；Montmorillonite in the montmorillonite-lateritic nickel ore slag mixture
Mass ratio with lateritic nickel ore slag is 1:1, and montmorillonite is sodium-based montmorillonite, and the partial size of lateritic nickel ore slag is 3.9 μm~99.8 μm,
Chemical component (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%).
Firstly, with mixing speed being that 3000r/min is uniformly mixed after 6h and stood 6h and obtains montmorillonite by montmorillonite and water
Solution；Cetyl trimethylammonium bromide and 3mL concentrated hydrochloric acid stirring to obtain are protonated into solution, and low whipping speed is
Under conditions of 3000r/min and whipping temp are 75 DEG C, above-mentioned solution is added drop-wise to dropwise in montmorillonite solution, time for adding
For 150min；Above-mentioned substance is dried to constant weight in the baking oven that temperature is 80 DEG C, obtains modified montmorillonoid.Secondly, will
Silane coupling agent KH550-stearic acid mixed liquor is dissolved in dehydrated alcohol, and with mixing speed for 4500r/min and whipping temp
Under conditions of 40 DEG C, above-mentioned solution is carried out to mix 7h with modified montmorillonoid, lateritic nickel ore slag, obtains montmorillonite-laterite nickel
Slag compounded rubber filler.
Embodiment 6
Component and its quality proportioning used for preparing product of the present invention 100g are as follows:
Silane coupling agent KH550 and stearic mass ratio are 1 in the Silane coupling agent KH550-stearic acid mixed liquor:
1, Silane coupling agent KH550 is technical pure, and stearic acid is that analysis is pure；Montmorillonite in the montmorillonite-lateritic nickel ore slag mixture
Mass ratio with lateritic nickel ore slag is 1:1, and montmorillonite is magnesium-based montmorillonite, and the partial size of lateritic nickel ore slag is 3.1 μm~102.0 μ
M, chemical component (mass fraction) are 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%).
Firstly, with mixing speed being that 2500r/min is uniformly mixed after 6h and stood 6h and obtains montmorillonite by montmorillonite and water
Solution；Cetyl trimethylammonium bromide and 5mL concentrated hydrochloric acid stirring to obtain are protonated into solution, and low whipping speed is
Under conditions of 2500r/min and whipping temp are 60 DEG C, above-mentioned solution is added drop-wise to dropwise in montmorillonite solution, time for adding
For 120min；Above-mentioned substance is dried to constant weight in the baking oven that temperature is 80 DEG C, obtains modified montmorillonoid.Secondly, will
Silane coupling agent KH550-stearic acid mixed liquor is dissolved in dehydrated alcohol, and with mixing speed for 4500r/min and whipping temp
Under conditions of 20 DEG C, above-mentioned solution is carried out to mix 9h with modified montmorillonoid, lateritic nickel ore slag, obtains montmorillonite-laterite nickel
Slag compounded rubber filler.
Comparative example 1
Component and its quality proportioning used for preparing product of the present invention 100g are as follows:
Silane coupling agent KH550 and stearic mass ratio are 1 in the Silane coupling agent KH550-stearic acid mixed liquor:
1, Silane coupling agent KH550 is technical pure, and stearic acid is that analysis is pure；Montmorillonite in the montmorillonite-lateritic nickel ore slag mixture
Mass ratio with lateritic nickel ore slag is 1:1, and montmorillonite is magnesium-based montmorillonite, and the partial size of lateritic nickel ore slag is 3.1 μm~102.0 μ
M, chemical component (mass fraction) are 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%).
Firstly, with mixing speed being that 2500r/min is uniformly mixed after 6h and stood 6h and obtains montmorillonite by montmorillonite and water
Solution；Under conditions of low whipping speed is 2500r/min and whipping temp is 60 DEG C, it is de- that 5mL concentrated hydrochloric acid is added drop-wise to illiteracy dropwise
In native solution, time for adding 120min；Above-mentioned substance is dried to constant weight in the baking oven that temperature is 80 DEG C, is obtained
Modified montmorillonoid.Secondly, Silane coupling agent KH550-stearic acid mixed liquor is dissolved in dehydrated alcohol, and it is with mixing speed
Under conditions of 4500r/min and whipping temp are 20 DEG C, above-mentioned solution is mixed with modified montmorillonoid, lateritic nickel ore slag
9h obtains montmorillonite-lateritic nickel ore 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 ratio of montmorillonite and lateritic nickel ore slag is 1:1 in the montmorillonite-lateritic nickel ore slag mixture, and montmorillonite is
Magnesium-based montmorillonite, the partial size of lateritic nickel ore slag are 3.1 μm~102.0 μm, and chemical component (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%).
Firstly, with mixing speed being that 2500r/min is uniformly mixed after 6h and stood 6h and obtains montmorillonite by montmorillonite and water
Solution；Cetyl trimethylammonium bromide and 5mL concentrated hydrochloric acid stirring to obtain are protonated into solution, and low whipping speed is
Under conditions of 2500r/min and whipping temp are 60 DEG C, above-mentioned solution is added drop-wise to dropwise in montmorillonite solution, time for adding
For 120min；Above-mentioned substance is dried to constant weight in the baking oven that temperature is 80 DEG C, obtains modified montmorillonoid.Secondly, with
Under conditions of mixing speed is 4500r/min and whipping temp is 20 DEG C, modified montmorillonoid is mixed with lateritic nickel ore slag
9h obtains montmorillonite-lateritic nickel ore slag compounded rubber filler.
Comparative example 3
Component and its quality proportioning used for preparing product of the present invention 100g are as follows:
Silane coupling agent KH550 and stearic mass ratio are 1 in the Silane coupling agent KH550-stearic acid mixed liquor:
1, Silane coupling agent KH550 is technical pure, and stearic acid is that analysis is pure.
Firstly, water, cetyl trimethylammonium bromide and 5mL concentrated hydrochloric acid stirring to obtain are protonated solution, and stirring
Mixing speed is 2500r/min and under conditions of whipping temp is 60 DEG C, above-mentioned solution is added drop-wise in water dropwise, time for adding
For 120min, solution A is obtained.Secondly, Silane coupling agent KH550-stearic acid mixed liquor is dissolved in dehydrated alcohol, and with stirring
Under conditions of speed is 4500r/min and whipping temp is 20 DEG C, above-mentioned solution is carried out to mix 9h with solution A, is modified
Solution.
Two, the Mechanics Performance Testing after rubber is added in montmorillonite of the present invention-lateritic nickel ore slag compounded rubber filler
Examples 1 to 6 and comparative example 1~3 are prepared, performance testing process is as follows:
After rubber (100 parts) is put into open mill thin logical 3~5 times, it is mixed that mixer (70 DEG C of smelting temperature) is added in rubber
5min is refined, zinc oxide (2.5 parts) aggregate sample is sequentially added and is kneaded 3min, carbon black (20 parts) and montmorillonite-lateritic nickel ore slag is added
Compounded rubber filler (30 parts) aggregate sample takes out after being kneaded 3min, addition promotor (1.0 parts) and (1.5 parts) mixing 4min of sulphur
It is spare, i.e. mixing glue；It is logical 6~8 times thin that mixing glue is put into open mill, after parking 12h after beating triangle bag 5 times, weighs the close of 60g
Refining glue is vulcanized using four-column type vulcanizing press, and curing temperature is 145 DEG C, places for 24 hours after vulcanizing 30min, it is de- to obtain illiteracy
Soil-lateritic nickel ore slag compounded rubber.
" measurement of vulcanized rubber or thermoplastic elastomer tensile stress-strain performance " (GB/T528-2009) tests montmorillonite-
The tensile strength of lateritic nickel ore slag compounded rubber；" vulcanized rubber or thermoplastic elastomer tearing strength measurement (pants type, square,
Crescent sample) " (GB/T529-2008) test montmorillonite-lateritic nickel ore slag compounded rubber tearing strength；" Plastics Combustion
Energy test method oxygen index method " (GB/T2406-1993) test montmorillonite-lateritic nickel ore slag compounded rubber limit oxygen index
(LOI)。
1. montmorillonites of table-lateritic nickel ore slag compounded rubber mechanical property and flame retardant property
Claims (3)
1. a kind of montmorillonite with fire-retardant reinforcing property-lateritic nickel ore slag compounded rubber filler, which is characterized in that by weight hundred
Divide than meter, it is as follows to prepare the montmorillonite-lateritic nickel ore slag compounded rubber filler material:
The cetyl trimethylammonium bromide is that analysis is pure；
The water is deionized water；
The dehydrated alcohol is that analysis is pure；
The mass ratio of montmorillonite and lateritic nickel ore slag is 1:1~4:1 in the montmorillonite-lateritic nickel ore slag mixture；The illiteracy
De- soil is calcium-base montmorillonite, sodium-based montmorillonite, Sodium/Calcium base montmorillonite or magnesium-based montmorillonite；The partial size of the lateritic nickel ore slag is
2.8 μm~102.0 μm, chemical component is calculated in mass percent are as follows:
2. a kind of montmorillonite with fire-retardant reinforcing property-lateritic nickel ore slag compounded rubber filler as described in claim 1,
It is characterized in that, Silane coupling agent KH550 is with stearic mass ratio in the Silane coupling agent KH550-stearic acid mixed liquor
1:3~3:1, Silane coupling agent KH550 are technical pure, and stearic acid is that analysis is pure.
3. a kind of as described in claim 1 with montmorillonite-lateritic nickel ore slag compounded rubber filler system of fire-retardant reinforcing property
Preparation Method, it is characterised in that include the following steps:
Firstly, with mixing speed being that 2000~4000r/min is uniformly mixed after 4~8h and stood 6h and covered by montmorillonite and water
De- soil solution；Cetyl trimethylammonium bromide and 2~5mL concentrated hydrochloric acid stirring to obtain are protonated into solution, and in stirring speed
Degree is that under conditions of 2000~4000r/min and whipping temp are 60~80 DEG C, it is molten that above-mentioned solution is added drop-wise to montmorillonite dropwise
In liquid, time for adding is 100~150min, is dried above-mentioned substance to constant weight in the baking oven that temperature is 80 DEG C, obtains
Obtain modified montmorillonoid；Secondly, Silane coupling agent KH550-stearic acid mixed liquor is dissolved in dehydrated alcohol, and it is with mixing speed
Under conditions of 3000~5000r/min and whipping temp are 20~50 DEG C, by above-mentioned solution and modified montmorillonoid, lateritic nickel ore slag
6~10h of mixing is carried out, montmorillonite-lateritic nickel ore slag compounded rubber filler is obtained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811195223.2A CN109337122A (en) | 2018-10-15 | 2018-10-15 | A kind of montmorillonite with fire-retardant reinforcing property-lateritic nickel ore slag compounded rubber filler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811195223.2A CN109337122A (en) | 2018-10-15 | 2018-10-15 | A kind of montmorillonite with fire-retardant reinforcing property-lateritic nickel ore slag compounded rubber filler |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN115073839A (en) * | 2022-08-04 | 2022-09-20 | 中塑新材料技术(吉林)有限公司 | Preparation method of polymer/slag composite material |
-
2018
- 2018-10-15 CN CN201811195223.2A patent/CN109337122A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN115073839A (en) * | 2022-08-04 | 2022-09-20 | 中塑新材料技术(吉林)有限公司 | Preparation method of polymer/slag composite material |
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Application publication date: 20190215 |