CN108795008A - A kind of technique of ardealite and flyash relieving haperacidity coproduction heat-proof combustion-resistant ABS/PC alloys - Google Patents
A kind of technique of ardealite and flyash relieving haperacidity coproduction heat-proof combustion-resistant ABS/PC alloys Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/69—Sulfur trioxide; Sulfuric acid
- C01B17/74—Preparation
- C01B17/76—Preparation by contact processes
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
- C01F7/04—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
- C01F7/04—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom
- C01F7/06—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom by treating aluminous minerals or waste-like raw materials with alkali hydroxide, e.g. leaching of bauxite according to the Bayer process
- C01F7/0693—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom by treating aluminous minerals or waste-like raw materials with alkali hydroxide, e.g. leaching of bauxite according to the Bayer process from waste-like raw materials, e.g. fly ash or Bayer calcination dust
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- C—CHEMISTRY; METALLURGY
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- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
- C01F7/04—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom
- C01F7/14—Aluminium oxide or hydroxide from alkali metal aluminates
- C01F7/141—Aluminium oxide or hydroxide from alkali metal aluminates from aqueous aluminate solutions by neutralisation with an acidic agent
- C01F7/142—Aluminium oxide or hydroxide from alkali metal aluminates from aqueous aluminate solutions by neutralisation with an acidic agent with carbon dioxide
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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
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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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
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/322—Ammonium phosphate
- C08K2003/323—Ammonium polyphosphate
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Abstract
The present invention provides the techniques of a kind of ardealite and flyash relieving haperacidity coproduction heat-proof combustion-resistant ABS/PC alloys, include the following steps：Ardealite, flyash, additive and modifying agent are mixed and ground, raw material are made, is sent into roasting in kiln, clinker is made, water mill dissolution is carried out to clinker, and be separated by solid-liquid separation, sulfuric acid is made in isolated solid roasting post-processing, and CO is passed through after isolated liquid-purifying2Aluminium hydroxide is made, then heat-proof combustion-resistant ABS/PC alloys are made with triphenyl phosphate, ammonium polyphosphate, PC, ABS, compatilizer and antioxidant.The present invention comprehensively utilizes ardealite and flyash, with simple for process, utilization rate height, added value is high, and the aluminium hydroxide of production is the very good material as heat-proof combustion-resistant ABS/PC alloys, heat-proof combustion-resistant ABS/PC alloys of preparation have the characteristics that production cost is low.
Description
Technical field
The present invention relates to the techniques of a kind of ardealite and flyash relieving haperacidity coproduction heat-proof combustion-resistant ABS/PC alloys, belong to metallurgical
Chemical field.
Background technology
Ardealite refer in phosphoric acid production with sulfuric acid treating phosphorite when the solid slag that generates, main component is sulfuric acid
Calcium additionally contains various other impurity.Currently, it is about 1.2~1.4 hundred million tons that ardealite total amount is discharged in the whole world every year, China
About 50,000,000 tons or so, account for the 25~29% of global year discharge ardealite total amount, this quantity is in increase trend, and current state
For interior ardealite heap high-volume up to 2.5 hundred million tons, the phosphogypsum slag of discharge occupies a large amount of soils, forms slag mountain, seriously pollutes environment.
Flyash is the fine ash that catching is got off from the flue gas after coal combustion, and flyash is the main solid of coal-burning power plant's discharge
Body waste.With the development of power industry, the flyash discharge capacity of coal-burning power plant increases year by year, and flyash becomes China when front row
Measure larger one of industrial residue.Now currently, China's flyash annual output is more than 600,000,000 tons, the development of the national economy in China is given
And ecological environment causes huge pressure.
PC/ABS alloys combine the excellent performance of PC and ABS, reduce PC costs and melt viscosity, improve its processability
Can, heat resistance, shock resistance and the tensile strength of ABS are improved, this material is now widely used in communication, electronic apparatus and traffic
The fields such as transport, these fields are more demanding for the heat-proof combustion-resistant of PC/ABS alloys, therefore people have invented a kind of resistance to thermal resistance
Fire ABS/PC alloys.But this material results in because the market price of wherein important flame-retardant additive aluminium hydroxide is high
The high problem of its production cost.
Now currently, China's one side ardealite and flyash all have the problem of bulk deposition, pollution environment, on the other hand
All there is also many useful constituents in ardealite and flyash, but people are main to the utilization to ardealite and flyash at present
In terms of contributing to building materials, but acid present in ardealite can cause building material quality bad, and this Land use systems is attached
Add the output value relatively low.The technique of comprehensive utilization ardealite and flyash relieving haperacidity co-production heat-proof combustion-resistant ABS/PC alloys at present, has no
Report.
Goal of the invention
The object of the present invention is to provide the techniques of a kind of ardealite and flyash relieving haperacidity coproduction heat-proof combustion-resistant ABS/PC alloys.
The present invention comprehensively utilizes ardealite and flyash, has simple for process, utilization rate height, added value height, and the hydrogen produced
Aluminium oxide is the very good material as heat-proof combustion-resistant ABS/PC alloys, and having for heat-proof combustion-resistant ABS/PC alloys of preparation is produced into
This low feature.
Technical scheme of the present invention
A kind of technique of ardealite and flyash relieving haperacidity coproduction heat-proof combustion-resistant ABS/PC alloys, includes the following steps：
A, ardealite, flyash, additive and modifying agent are mixed and are ground and raw material are made, be sent into roasting in kiln, clinker is made,
Water mill dissolution is carried out to clinker, and is separated by solid-liquid separation；
B, the precipitation being separated by solid-liquid separation in step A is subjected to flotation, isolates sulfide, the sulfide isolated is roasted
It burns, then the flue gas that roasting is generated is absorbed using the concentrated sulfuric acid after vanadic anhydride catalysis reaction, sulfuric acid is made；
C, calcium oxide, heating stirring are added in the liquid being separated by solid-liquid separation into step A, sodium aluminate solution is made in filtering；
D, it is passed through CO into sodium aluminate solution made from step C2Gas is washed with distilled water precipitation to precipitation is no longer generated,
Precipitation after washing is dried, is ground, aluminium hydroxide is made；
E, aluminium hydroxide made from step D is put into high-speed mixer, adds triphenyl phosphate, ammonium polyphosphate, PC, ABS, phase
Hold agent and antioxidant is uniformly mixed, then through double screw extruder extruding pelletization, heat-proof combustion-resistant ABS/PC alloys are made.
The technique of ardealite and flyash relieving haperacidity coproduction heat-proof combustion-resistant ABS/PC alloys above-mentioned, in step A, the addition
Agent is sodium carbonate, sodium sulphate or caustic soda；The modifying agent is anthracite, carbon or gangue；The kiln is industrial rotary kiln, industry
Tunnel oven or industrial shaft kiln.
The technique of ardealite and flyash relieving haperacidity coproduction heat-proof combustion-resistant ABS/PC alloys above-mentioned, in step A, the life
In material, ardealite and flyash are according to 1~1.3:The ratio of 1~1.6 weight ratio mixes, and additive adding proportion presses institute in raw material
Containing Na2O and Al2O3+Fe2O3The molecular proportion of summation is 1:1 addition, the mixed proportion of modifying agent are the 8~22% of raw material total weight；
The temperature of the roasting is 1280~1380 DEG C, and the time is 2~4h；It is 2~6 that liquid when the water mill dissolution, which consolidates volume ratio,:1.
The technique of ardealite and flyash relieving haperacidity coproduction heat-proof combustion-resistant ABS/PC alloys above-mentioned, in step B, the roasting
Temperature be 1150~1250 DEG C；Time is 3~5h；Condition is that sulfide is placed under 40~50% oxygen-enriched environment.
The technique of ardealite and flyash relieving haperacidity coproduction heat-proof combustion-resistant ABS/PC alloys above-mentioned, in step C, the oxidation
Calcium is that analysis is pure, and dosage is 7~10g/L；The temperature of the heating is 75~95 DEG C；The time of the stirring is 1~2h.
The technique of ardealite and flyash relieving haperacidity coproduction heat-proof combustion-resistant ABS/PC alloys above-mentioned, in step D, the CO2
CO in gas2Concentration be more than 38%；The temperature of the drying is 95~105 DEG C.
The technique of ardealite and flyash relieving haperacidity coproduction heat-proof combustion-resistant ABS/PC alloys above-mentioned, it is described compatible in step E
Agent is maleic anhydride graft copolymer；Antioxidant is antioxidant 1010.
The technique of ardealite and flyash relieving haperacidity coproduction heat-proof combustion-resistant ABS/PC alloys above-mentioned, by weight, step E
In, the heat-proof combustion-resistant ABS/PC alloys include 20~30 parts of aluminium hydroxides, 3~5 portions of triphenyl phosphates, 4~6 parts of polyphosphoric acids
Ammonium, 40~50 parts of PC, 30~40 parts of ABS, 5~8 parts of compatilizers and 0.5~2 part of antioxidant.
The technique of ardealite and flyash relieving haperacidity coproduction heat-proof combustion-resistant ABS/PC alloys above-mentioned, in step E, double spiral shells
The extrusion temperature of bar extruder is 210~230 DEG C, 30~50r/min of screw speed.
The technique of ardealite and flyash relieving haperacidity coproduction heat-proof combustion-resistant ABS/PC alloys above-mentioned, the double screw extruder
Extrusion temperature be 220 DEG C, screw speed 40r/min.
The present invention is by by ardealite and flyash reaction, recombination, making utility.The net reaction of principle
For：
CaSO4（Ardealite）+Na2O·SiO2·Al2O3（Flyash）→Na2O·Al2O3+CaO·SiO2↓+[sulphur]
From the reaction equation it is found that with the SiO in the CaO and flyash in ardealite2Generate calcium orthosilicate（CaO·SiO2↓）Afterwards,
Obtain soluble fabulous sodium aluminate（Na2O·Al2O3）.[sulphur] in reaction equation refers to adding modifying agent technique by raw material, raw
At metal sulfide, main component FeS；After leaching the sodium aluminate in clinker, obtained sediment flotation can be obtained
To FeS.
Advantageous effect
1, the present invention comprehensively utilizes industrial residue phosphogypsum and flyash, mixes and grinds after addition modifying agent and additive
Mill, roasting, is separated by solid-liquid separation after water mill dissolves out, you can obtains the clearly demarcated product of ingredient, product is extracted respectively conveniently, to phosphorus
The utilization technique of gypsum and flyash is very simple.
2, ardealite and flyash are equipped with modifying agent, additive mixed grinding, roasted by the present invention, then water mill dissolution is laggard
Row is separated by solid-liquid separation, you can obtains the clearly demarcated product of ingredient, valuable constituent therein can be extracted individually, and ardealite is substantially increased
With the utilization rate of flyash.
3, the present invention is by by industrial residue phosphogypsum and flyash, additive package and modifying agent baking after grinding, then
Water mill dissolution and separation of solid and liquid are carried out, low raw-material cost is simple for process, and the basis metal vulcanization that roasting process is formed
Object, meta-aluminate and silicate component are clearly demarcated, can individually extract recycling, substantially increase the additional of ardealite and flyash
Value.
4, the present invention utilizes ardealite and flyash, in addition additive and modifying agent is as raw material, by water mill after roasting
Dissolution and separation of solid and liquid can obtain the clearly demarcated product of ingredient, are free of organic matter after roasting in product, are especially advantageous for the later stage pair
Product each component is extracted respectively, and liquid, the sodium metaaluminate after the simple purification of oxidized calcium are obtained in being especially separated by solid-liquid separation
Solution is passed through CO2By the aluminium hydroxide of washing after gas, there is very high purity, purity is as resistance to up to 99% or more
Thermal resistance fires the very good material of ABS/PC alloys.
5, the present invention is by cheap industrial residue phosphogypsum and flyash, in addition certain additive and modifying agent are made
Simple for process, the low raw-material cost of aluminium hydroxide, the cost of gained aluminium hydroxide is very low, for producing heat-proof combustion-resistant ABS/PC
Alloy can substantially reduce the production cost of heat-proof combustion-resistant ABS/PC alloys, and prepared low heat-proof combustion-resistant ABS/PC alloys tool
There are good heat resistance and anti-flammability.
In order to prove that advantages of the present invention, inventor have done following test：
Heat distortion temperature detection and oxygen index (OI) detection are carried out to the heat-proof combustion-resistant ABS obtained by Examples 1 to 3/PC alloys,
Obtain 1 result of table.Reference examples are not add the ABS/PC alloys of aluminium hydroxide.
Specific implementation mode
With reference to embodiment, the present invention is further illustrated, but is not intended as the foundation limited the present invention.
The embodiment of the present invention
Embodiment 1：A kind of technique of ardealite and flyash relieving haperacidity coproduction heat-proof combustion-resistant ABS/PC alloys, steps are as follows：
A, ardealite, flyash, sodium sulphate and carbon are mixed and are ground and raw material are made, in raw material, ardealite and flyash according to
1:The ratio of 1.6 weight ratios mixes, and sodium sulphate adding proportion presses contained Na in raw material2O and A12O3+Fe2O3The molecular proportion of summation is
1:The mixed proportion of 1 addition, carbon is roasting in the industrial shaft kiln of 8% feeding of raw material total weight, and calcination temperature is 1280 DEG C, is roasted
Time is 4h, and clinker is made, and carries out water mill dissolution to clinker, and is separated by solid-liquid separation, and it is 2 that liquid, which consolidate volume ratio, when separation:1；
B, the precipitation being separated by solid-liquid separation in step A is subjected to flotation, isolates sulfide, the sulfide isolated is placed in
Under 40% oxygen-enriched environment, 5h is roasted at 1150 DEG C, roasts the flue gas of generation after vanadic anhydride catalysis reaction, use is dense
Sulfuric acid is absorbed, and sulfuric acid is made；
C, analysis carbonate-free lime is added by 10g/L in the liquid being separated by solid-liquid separation into step A, is heated to 95 DEG C, stir 1h,
Sodium aluminate solution is made in filtering；
D, it is passed through into sodium aluminate solution made from step C, concentration is more than 38% CO2Gas is used until no longer generating precipitation
Water washing precipitation is distilled, being deposited in 95 DEG C of drying box after washing is dried, then ground, and aluminium hydroxide is made；
E, by weight, 20 parts of aluminium hydroxides made from step D are put into high-speed mixer, add 3 portions of triphenyl phosphates,
4 parts of ammonium polyphosphate, 40 parts of PC, 30 parts of ABS, 5 parts of maleic anhydride graft copolymers and 0.5 part of antioxidant 1010 are uniformly mixed, so
By double screw extruder extruding pelletization, temperature when extrusion is 210 DEG C, screw speed 30r/min, be made heat-proof combustion-resistant ABS/
PC alloys.
Embodiment 2：A kind of technique of ardealite and flyash relieving haperacidity coproduction heat-proof combustion-resistant ABS/PC alloys, steps are as follows：
A, ardealite, flyash, sodium sulphate and carbon are mixed and are ground and raw material are made, in raw material, ardealite and flyash according to
1.3:The ratio of 1 weight ratio mixes, and sodium sulphate adding proportion presses contained Na in raw material2O and A12O3+Fe2O3The molecular proportion of summation is
1:The mixed proportion of 1 addition, carbon is roasting in the industrial shaft kiln of 22% feeding of raw material total weight, and calcination temperature is 1380 DEG C, is roasted
Time is 2h, and clinker is made, and carries out water mill dissolution to clinker, and is separated by solid-liquid separation, and it is 6 that liquid, which consolidate volume ratio, when separation:1；
B, the precipitation being separated by solid-liquid separation in step A is subjected to flotation, isolates sulfide, the sulfide isolated is placed in
Under 45% oxygen-enriched environment, 3h is roasted at 1200 DEG C, roasts the flue gas of generation after vanadic anhydride catalysis reaction, use is dense
Sulfuric acid is absorbed, and sulfuric acid is made；
C, analysis carbonate-free lime is added by 7g/L in the liquid being separated by solid-liquid separation into step A, is heated to 75 DEG C, stir 2h,
Sodium aluminate solution is made in filtering；
D, it is passed through into sodium aluminate solution made from step C, concentration is more than 38% CO2Gas is used until no longer generating precipitation
Water washing precipitation is distilled, being deposited in 105 DEG C of drying box after washing is dried, then ground, and aluminium hydroxide is made；
E, by weight, 30 parts of aluminium hydroxides made from step D are put into high-speed mixer, add 5 portions of triphenyl phosphates,
6 parts of ammonium polyphosphate, 50 parts of PC, 40 parts of ABS, 8 parts of maleic anhydride graft copolymers and 2 parts of antioxidant 1010s are uniformly mixed, then
Through double screw extruder extruding pelletization, temperature when extrusion is 230 DEG C, screw speed 50r/min, and heat-proof combustion-resistant ABS/PC is made
Alloy.
Embodiment 3：A kind of technique of ardealite and flyash relieving haperacidity coproduction heat-proof combustion-resistant ABS/PC alloys, steps are as follows：
A, ardealite, flyash, sodium sulphate and carbon are mixed and are ground and raw material are made, in raw material, ardealite and flyash according to
1.2:The ratio of 1.3 weight ratios mixes, and sodium sulphate adding proportion presses contained Na in raw material2O and A12O3+Fe2O3The molecular proportion of summation
It is 1:The mixed proportion of 1 addition, carbon is roasting in the industrial shaft kiln of 15% feeding of raw material total weight, and calcination temperature is 1330 DEG C, is roasted
The burning time is 3h, and clinker is made, and carries out water mill dissolution to clinker, and is separated by solid-liquid separation, and it is 4 that liquid, which consolidate volume ratio, when separation:1；
B, the precipitation being separated by solid-liquid separation in step A is subjected to flotation, isolates sulfide, the sulfide isolated is placed in
Under 45% oxygen-enriched environment, 4h is roasted at 1200 DEG C, roasts the flue gas of generation after vanadic anhydride catalysis reaction, use is dense
Sulfuric acid is absorbed, and sulfuric acid is made；
C, analysis carbonate-free lime is added by 8.5g/L in the liquid being separated by solid-liquid separation into step A, is heated to 85 DEG C, stirring
Sodium aluminate solution is made in 1.5h, filtering；
D, it is passed through into sodium aluminate solution made from step C, concentration is more than 38% CO2Gas is used until no longer generating precipitation
Water washing precipitation is distilled, being deposited in 100 DEG C of drying box after washing is dried, then ground, and aluminium hydroxide is made；
E, by weight, 25 parts of aluminium hydroxides made from step D are put into high-speed mixer, add 4 portions of triphenyl phosphates,
5 parts of ammonium polyphosphate, 45 parts of PC, 35 parts of ABS, 6 parts of maleic anhydride graft copolymers and 1.2 parts of antioxidant 1010s are uniformly mixed, so
By double screw extruder extruding pelletization, temperature when extrusion is 220 DEG C, screw speed 40r/min, be made heat-proof combustion-resistant ABS/
PC alloys.
Claims (10)
1. the technique of a kind of ardealite and flyash relieving haperacidity coproduction heat-proof combustion-resistant ABS/PC alloys, which is characterized in that including as follows
Step：
A, ardealite, flyash, additive and modifying agent are mixed and are ground and raw material are made, be sent into roasting in kiln, clinker is made,
Water mill dissolution is carried out to clinker, and is separated by solid-liquid separation；
B, the precipitation being separated by solid-liquid separation in step A is subjected to flotation, isolates sulfide, the sulfide isolated is roasted
It burns, then the flue gas that roasting is generated is absorbed using the concentrated sulfuric acid after vanadic anhydride catalysis reaction, sulfuric acid is made；
C, calcium oxide, heating stirring are added in the liquid being separated by solid-liquid separation into step A, sodium aluminate solution is made in filtering；
D, it is passed through CO into sodium aluminate solution made from step C2Gas is washed with distilled water precipitation to precipitation is no longer generated, right
Precipitation after washing is dried, and aluminium hydroxide is made in grinding；
E, aluminium hydroxide made from step D is put into high-speed mixer, adds triphenyl phosphate, ammonium polyphosphate, PC, ABS, phase
Hold agent and antioxidant is uniformly mixed, then through double screw extruder extruding pelletization, heat-proof combustion-resistant ABS/PC alloys are made.
2. the technique of ardealite according to claim 1 and flyash relieving haperacidity coproduction heat-proof combustion-resistant ABS/PC alloys, special
Sign is：In step A, the additive is sodium carbonate, sodium sulphate or caustic soda；The modifying agent is anthracite, carbon or gangue；
The kiln is industrial rotary kiln, Industry Tunnel Kiln or industrial shaft kiln.
3. the technique of ardealite according to claim 1 and flyash relieving haperacidity coproduction heat-proof combustion-resistant ABS/PC alloys, special
Sign is：In step A, in the raw material, ardealite and flyash are according to 1~1.3:The ratio of 1~1.6 weight ratio mixes,
Additive adding proportion presses contained Na in raw material2O and Al2O3+Fe2O3The molecular proportion of summation is 1:1 addition, the mixing ratio of modifying agent
Example is the 8~22% of raw material total weight；The temperature of the roasting is 1280~1380 DEG C, and the time is 2~4h；The water mill dissolution
When liquid consolidate volume ratio be 2~6:1.
4. the technique of ardealite according to claim 1 and flyash relieving haperacidity coproduction heat-proof combustion-resistant ABS/PC alloys, special
Sign is：In step B, the temperature of the roasting is 1150~1250 DEG C；Time is 3~5h；Condition is that sulfide is placed in 40
Under~50% oxygen-enriched environment.
5. the technique of ardealite according to claim 1 and flyash relieving haperacidity coproduction heat-proof combustion-resistant ABS/PC alloys, special
Sign is：In step C, the calcium oxide is that analysis is pure, and dosage is 7~10g/L；The temperature of the heating is 75~95 DEG C；Institute
The time for stating stirring is 1~2h.
6. the technique of ardealite according to claim 1 and flyash relieving haperacidity coproduction heat-proof combustion-resistant ABS/PC alloys, special
Sign is：In step D, the CO2CO in gas2Concentration be more than 38%；The temperature of the drying is 95~105 DEG C.
7. the technique of ardealite according to claim 1 and flyash relieving haperacidity coproduction heat-proof combustion-resistant ABS/PC alloys, special
Sign is：In step E, the compatilizer is maleic anhydride graft copolymer；Antioxidant is antioxidant 1010.
8. the technique of ardealite according to claim 1 and flyash relieving haperacidity coproduction heat-proof combustion-resistant ABS/PC alloys, special
Sign is：By weight, in step E, the heat-proof combustion-resistant ABS/PC alloys include 20~30 parts of aluminium hydroxides, 3~5 parts of phosphorus
Triphenyl phosphate ester, 4~6 parts of ammonium polyphosphate, 40~50 parts of PC, 30~40 parts of ABS, 5~8 parts of compatilizers and 0.5~2 part of antioxidant.
9. the technique of ardealite according to claim 1 and flyash relieving haperacidity coproduction heat-proof combustion-resistant ABS/PC alloys, special
Sign is：In step E, the extrusion temperature of the double screw extruder is 210~230 DEG C, 30~50r/min of screw speed.
10. the technique of ardealite according to claim 9 and flyash relieving haperacidity coproduction heat-proof combustion-resistant ABS/PC alloys, special
Sign is：The extrusion temperature of the double screw extruder is 220 DEG C, screw speed 40r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810713717.9A CN108795008B (en) | 2018-07-03 | 2018-07-03 | Process for co-production of heat-resistant flame-retardant ABS/PC alloy by using phosphogypsum and fly ash to prepare acid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810713717.9A CN108795008B (en) | 2018-07-03 | 2018-07-03 | Process for co-production of heat-resistant flame-retardant ABS/PC alloy by using phosphogypsum and fly ash to prepare acid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108795008A true CN108795008A (en) | 2018-11-13 |
| CN108795008B CN108795008B (en) | 2020-11-24 |
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Citations (3)
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| US20160102236A1 (en) * | 2013-08-16 | 2016-04-14 | Halliburton Energy Services, Inc. | Hydrophobically and hydrophilically modified polysaccharides and methods of using the same for treatment of a subterranean formation |
| CN105776150A (en) * | 2014-12-23 | 2016-07-20 | 中国科学院过程工程研究所 | Method for cooperative activation of fly ash and decomposition of gypsum for recovery of sulfur resource |
| CN105883873A (en) * | 2016-04-20 | 2016-08-24 | 航天推进技术研究院 | Sulfuric acid hot leaching based method for extracting aluminum oxide from fly ash |
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| US20160102236A1 (en) * | 2013-08-16 | 2016-04-14 | Halliburton Energy Services, Inc. | Hydrophobically and hydrophilically modified polysaccharides and methods of using the same for treatment of a subterranean formation |
| CN105776150A (en) * | 2014-12-23 | 2016-07-20 | 中国科学院过程工程研究所 | Method for cooperative activation of fly ash and decomposition of gypsum for recovery of sulfur resource |
| CN105883873A (en) * | 2016-04-20 | 2016-08-24 | 航天推进技术研究院 | Sulfuric acid hot leaching based method for extracting aluminum oxide from fly ash |
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