CN102875952B - High-performance acrylonitrile butadiene styrene (ABS) alloy prepared from waste and worn electrical appliance ABS materials, and preparation method and application of ABS alloy - Google Patents
High-performance acrylonitrile butadiene styrene (ABS) alloy prepared from waste and worn electrical appliance ABS materials, and preparation method and application of ABS alloy Download PDFInfo
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- CN102875952B CN102875952B CN201210328195.3A CN201210328195A CN102875952B CN 102875952 B CN102875952 B CN 102875952B CN 201210328195 A CN201210328195 A CN 201210328195A CN 102875952 B CN102875952 B CN 102875952B
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- 239000000463 material Substances 0.000 title claims abstract description 128
- 239000002699 waste material Substances 0.000 title claims abstract description 118
- 239000000956 alloy Substances 0.000 title claims abstract description 35
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 35
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 title abstract description 117
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 title abstract description 115
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 title abstract description 115
- 239000002994 raw material Substances 0.000 claims abstract description 19
- 239000002245 particle Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 12
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- 230000008569 process Effects 0.000 claims description 7
- 238000010298 pulverizing process Methods 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 238000005453 pelletization Methods 0.000 claims description 4
- 239000000155 melt Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 239000012760 heat stabilizer Substances 0.000 abstract 1
- 229920003048 styrene butadiene rubber Polymers 0.000 abstract 1
- 230000002950 deficient Effects 0.000 description 17
- 238000004378 air conditioning Methods 0.000 description 9
- 239000007858 starting material Substances 0.000 description 9
- 238000011160 research Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
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- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
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- 239000000126 substance Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92885—Screw or gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
Abstract
The invention discloses a high-performance acrylonitrile butadiene styrene (ABS) alloy prepared from waste and worn electrical appliance ABS materials and a preparation method and application of the ABS alloy. The ABS alloy comprises the following raw material components in part by weight: 90 to 95 parts of waste and worn electrical appliance ABS crushed material, 5 to 10 parts of styrene-butadiene rubber (SBS) flexibilizer and 0.2 to 0.4 part of B-215 long-acting heat stabilizer. The ABS alloy has the characteristics of high performance, cold endurance, high impact resistance, high stability and anti-static performance, and is suitable for manufacturing television shells, camera shells, air conditioner shells, computer shells, refrigerator shells, telephone shells or game machine shells and the like.
Description
Technical field
The present invention relates to technical field of polymer materials, relate in particular to plastic waste re-using technology, be specifically related to utilize waste electrical equipment class ABS material to prepare the technology of high-performance ABS alloy.
Background technology
Acrylonitrile-butadiene-styrene copolymer (ABS) has good processing fluidity, the easy advantage such as surface decoration and low price, but the shortcoming such as it also has inflammable, not cold-resistant, frangible and mobility is not good enough.
ABS is more conventional material, can produce a large amount of waste and old defective materials or substandard products, recovery article, and the processing for defective material, substandard products or recovery article at present mainly contains following several method:
(1) burning or land-fill method, owing to converging obnoxious flavoures such as producing sulfurous gas in burning process, very easily cause environmental pollution, and take land-fill method, can waste soil, because the refractory organics of material also can cause very large harm to environment, current this mode is progressively eliminated;
(2) waste and old defective material, substandard products or recovery article being carried out to simple recovery takes out grain and does not carry out any science modification, being downgraded to common plastics uses, if some mountain vallage factories are by simply taking out grain, make material inferior flow to market, occur that low-quality goods directly affects people's quality of life.Although solved problem of environmental pollution, fail to make full use of the economic worth of these defective materials, and produce product of inferior quality hidden danger.
Therefore, how to reclaim and fully use these defective materials, substandard products or recovery article, through scientific approach, promote that to make it to produce new economic benefit after regeneration be a problem of benefiting the nation and the people.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art, provide a kind of waste electrical equipment class ABS material that utilizes for major ingredient preparation obtains, there is the high-performance ABS alloy of the features such as high-performance, high-impact, high stability, antistatic and winter hardiness.
Another object of the present invention is to provide the preparation method of above-mentioned ABS alloy.
Another object of the present invention is to provide the application of above-mentioned ABS alloy in preparing tv shell, camera housing, air conditioning machinery housing, computer casing, casing of water dispenser, refrigerator shell, telephone case or game machine housing.
Above-mentioned purpose of the present invention is achieved by following scheme:
A high-performance ABS alloy of being prepared by waste electrical equipment class ABS material, its composition of raw materials is comprised of the each component of following parts by weight:
90～95 parts of waste electrical equipment class ABS crushed materials;
5～10 parts of SBS toughner;
0.2～0.4 part of the long-acting thermo-stabilizer of B-215.
In above-mentioned raw materials formula, waste electrical equipment class ABS crushed material is the crushed material that particle diameter that waste electrical equipment class ABS material is obtained after pulverization process is less than or equal to 10mm; Described waste electrical equipment class ABS material refers to that by ABS be waste electrical equipment class defective material, substandard products material or the waste material that starting material are manufactured, as by ABS being the waste and old housing of the electrical equipment such as refrigerator, air-conditioning, water dispenser or televisor of starting material manufacture; Described the waste electrical equipment class defective material, substandard products material or the waste material that by ABS, are starting material manufacture refer to waste electrical equipment class defective material, substandard products material or the waste material of being manufactured by pure ABS, and account for by ABS content waste electrical equipment class defective material, substandard products material or the waste material that more than 95% material is manufactured.
In above-mentioned raw materials formula, the inventor finds by research, waste electrical equipment class ABS crushed material is as major ingredient, the size of its particle diameter has impact to a certain degree to realization of the present invention, if pellet is excessive, compounding effect is poor, impact stirs, affect the melting mixing in production technique, therefore by after research, contriver determines that the particle diameter of controlling waste electrical equipment class ABS crushed material is for being less than or equal to 10mm.
Above-mentioned SBS toughner is commercially available prod, plays in the present invention toughness reinforcing effect, can solve well the problem of old material toughness deficiency, and can also improve winter hardiness, flexing, toughness, thermotolerance and the shock resistance of ABS alloy of the present invention.
The long-acting thermo-stabilizer of above-mentioned B-215 is commercially available prod, play in the present invention the effect of heat resistanceheat resistant and resist oxygen aging, can also prevent well base material thermooxidative degradation, keep material flow index, prevent the oxidation of course of processing polymkeric substance, solve the reduced viscosity of waste and old base material, the problem that gloss is degenerated.
Above-mentioned a kind of high-performance ABS alloy of being prepared by waste electrical equipment class ABS material, its preparation method comprises the steps:
The preparation of step 1. waste electrical equipment class ABS crushed material
Collect waste electrical equipment class ABS material, use cuts machine, and to length, the waste electrical equipment class ABS material over 600mm cuts, after making to cut, its length is less than 600mm, the waste electrical equipment class ABS material that again the waste electrical equipment class ABS material after cutting and length is no more than to 600mm is together sent on pulverizer and is pulverized, obtaining the particle that granularity is less than or equal to 10mm, is required waste electrical equipment class ABS crushed material;
Step 2. is sent in twin screw extruder after being repeatedly uniformly mixed in the long-acting thermo-stabilizer threading of waste electrical equipment class ABS crushed material, SBS toughner and the B-215 of step 1 preparation stirrer according to above-mentioned raw materials formula; at the temperature of 180～210 ℃, carry out melting mixing; after gained melt is extruded by twin screw extruder; cooling through tank; introduce dicing machine and carry out pelletizing operation, collect pellet and be ABS alloy required for the present invention.
In above-mentioned steps 1, the waste electrical equipment that purchase is come is selected confirmation, selects the waste electrical equipment of being manufactured by pure ABS and accounts for by ABS content the waste electrical equipment that more than 95% material is manufactured; Because the waste and old housing material of refrigerator, air-conditioning, water dispenser, televisor etc. is larger, all over length 600mm's, will be by cutting machine, cut and be less than 600mm and just can enter below pulverizer and pulverize, cut acc power 60kw, 1400 revs/min of motor speeds, by speed change scissors speed, be 600 turn/hour, then the waste electrical equipment class ABS material that the waste electrical equipment class ABS material after cutting and length are no more than 600mm is together sent on pulverizer and is pulverized; With the pulverizer of power 22kw, motor speed is 1400 revs/min, by transmitting speed change, makes the rotating speed of crushing knife become 700 revs/min.
In above-mentioned steps 1, described pulverizer is provided with screen cloth, and the particle after pulverizing is screened, and can not again putting into by the particle of screen cloth, pulverizer is pulverized and screening process again, and the particle by screen cloth is waste electrical equipment class ABS crushed material; Mesh diameter on described screen cloth is 10mm.
In above-mentioned steps 2, described repeatedly stirring in stirrer refer to and repeatedly stir three times, and each churning time is one hour.
In above-mentioned steps 2, the rotating speed of described stirrer adopts 650 revs/min; The inventor finds by research: if stirrer rotating speed is too fast, material can cracking, if stirrer rotating speed too slowly, can mix again inhomogeneously, by studying the rotating speed of rear selection stirrer, is therefore 650 revs/min.
In above-mentioned steps 2, the rotating speed of twin screw extruder is 250～400 revs/min.
In above-mentioned steps 2, it is 180～210 ℃ that melting mixing adopts temperature; The inventor finds after deliberation: if the temperature of melting mixing is too low, melting is bad, if temperature is too high, and material meeting cracking, therefore, by selection after research, the temperature of melting mixing is 180～210 ℃.
In above-mentioned steps 2, the melt of being extruded by twin screw extruder is when tank is cooling, and tank temperature used is 60～80 ℃; The inventor finds by research, the cooling temperature of tank also can have certain influence to product herein, if tank temperature is too low, between pellet, space is excessive and frangible, if tank excess Temperature, pellet easily bonds, therefore, after tank temperature is optimized, it is 60～80 ℃ that the inventor selects the tank temperature for cold fuse-element.
In above-mentioned preparation method, the rotating speed of dicing machine is 600～900 revs/min; The inventor finds by research, if dicing machine rotating speed is excessively slow, pellet is can be too loose, if dicing machine rotating speed is too fast, pellet can be too little, and therefore, it is suitable that the rotating speed of dicing machine need to be adjusted, otherwise all can have impact to final pellet attractive in appearance; To this, the inventor is optimized adjustment to the rotating speed of dicing machine, and the rotating speed of finally selecting dicing machine is 600～900 revs/min.
A kind of high-performance ABS alloy of being prepared by waste electrical equipment class ABS material of the present invention is carried out to performance test, find that this polymkeric substance has high-performance, winter hardiness, high-impact, high stability and the feature such as antistatic, can be used for preparing tv shell, camera housing, air conditioning machinery housing, computer casing, refrigerator shell, telephone case or game machine housing etc.
Compared with prior art, the present invention has following beneficial effect:
1. the present invention utilizes the major ingredient that waste electrical equipment class ABS material is ABS alloy of the present invention, in the research process of formula, not only need to solve waste electrical equipment class ABS material aging, degenerate, become fragile and the problem such as gloss degeneration, also to guarantee that gained ABS alloy has good performance simultaneously; Therefore, the inventor is by after studying, feature for waste electrical equipment class ABS material, selected suitable auxiliary agent, and the consumption of major ingredient and each auxiliary agent is optimized, in formula, effective collocation of each material is turned waste into wealth waste electrical equipment class ABS material, finally obtains having the ABS alloy of premium properties, for national energy-saving, reduction of discharging, environmental protection, renewable resource utilization contribute;
2. ABS alloy of the present invention has high-performance, winter hardiness, high-impact, high stability and the feature such as antistatic, can be used for preparing tv shell, camera housing, air conditioning machinery housing, computer casing, refrigerator shell, telephone case or game machine housing etc., its indices can meet or surpass the standard of national household electric appliances to this material requirements, and stability of material is high, quality is good, for domestic, the international environmental protection of advocating, energy-conservation, reduce discharging and contribute share;
3. the present invention is also according to the preparation method of the feature appropriate mix of its composition of raw materials, as its raw material mixing rotating speed is stirred, rotating speed and the temperature of twin screw extruder be optimized, thereby guaranteed to prepare the premium properties of gained ABS alloy.
Embodiment
Below in conjunction with specific embodiment, the present invention is done further and described, but specific embodiment is not done any restriction to the present invention.
embodiment 1
A high-performance ABS alloy of being prepared by waste electrical equipment class ABS material, its composition of raw materials is comprised of the each component of following parts by weight:
90 parts of waste electrical equipment class ABS crushed materials;
10 parts of SBS toughner;
0.2 part of the long-acting thermo-stabilizer of B-215.
In above-mentioned raw materials formula, waste electrical equipment class ABS crushed material is the crushed material that particle diameter that waste electrical equipment class ABS material is obtained after pulverization process is less than or equal to 10mm; Described waste electrical equipment class ABS material refers to that by ABS be waste electrical equipment class defective material, substandard products material or the waste material that starting material are manufactured, as by ABS being the waste and old housing of the electrical equipment such as refrigerator, air-conditioning, water dispenser or televisor of starting material manufacture; Described the waste electrical equipment class defective material, substandard products material or the waste material that by ABS, are starting material manufacture refer to waste electrical equipment class defective material, substandard products material or the waste material of being manufactured by pure ABS, and ABS content accounts for waste electrical equipment class defective material, substandard products material or waste material that more than 95% material is manufactured.
In above-mentioned raw materials formula, described SBS toughner is to adopt commercially available Ba Ling petrochemical industry YH792.
In above-mentioned raw materials formula, the long-acting thermostability of described B-215 is the long-acting thermo-stabilizer of B-215 that adopts commercially available vapour bar.
Above-mentioned a kind of high-performance ABS alloy of being prepared by waste electrical equipment class ABS material, its preparation method comprises the steps:
The preparation of step 1. waste electrical equipment class ABS crushed material
Collect waste electrical equipment class ABS material, use cuts machine, and to length, the waste electrical equipment class ABS material over 600mm cuts, after making to cut, its length is less than 600mm, the waste electrical equipment class ABS material that again the waste electrical equipment class ABS material after cutting and length is no more than to 600mm is together sent on pulverizer and is pulverized, obtaining the particle that granularity is less than or equal to 10mm, is required waste electrical equipment class ABS crushed material;
The waste electrical equipment class ABS crushed material that step 2. is prepared step 1 according to above-mentioned raw materials formula, the long-acting thermo-stabilizer of SBS toughner and B-215 is put in vertical cylinder type stainless steel appearance body stirrer and is repeatedly stirred three times, each churning time is one hour, stirrer rotating speed is 650 revs/min, after mixing, send in twin screw extruder, rotating speed at twin screw extruder is 400 revs/min, temperature is to carry out melting mixing under the condition of 200 ℃, after gained melt is extruded by twin screw extruder, cooling through 70 ℃ of tanks, the dicing machine of introducing rotating speed again and be 600 revs/min carries out pelletizing operation, collect pellet and be the required ABS alloy of the present embodiment.
In above-mentioned steps 1, the waste electrical equipment that purchase is come is selected confirmation, selects the waste electrical equipment of being manufactured by pure ABS and accounts for by ABS content the waste electrical equipment that more than 95% material is manufactured, due to refrigerator, air-conditioning, water dispenser, the waste and old housing material of televisor etc. is larger, all over length 600mm's, will be by cutting machine, cut and be less than 600mm and just can enter below pulverizer and pulverize, cut acc power 60kw, 1400 revs/min of motor speeds, by speed change scissors speed, be 600 turn/hour, the waste electrical equipment class ABS material that again the waste electrical equipment class ABS material after cutting and length is no more than to 600mm is together sent on pulverizer and is pulverized, pulverizer with power 22kw, motor speed is 1400 revs/min, by transmitting speed change, make the rotating speed of crushing knife become 700 revs/min.
The ABS alloy that adopts ASTM international standard to prepare the present embodiment carries out performance test, and result is as shown in table 1.
The performance test results of the ABS alloy of table 1 embodiment 1
As can be seen from Table 1, a kind of high-performance ABS alloy of being prepared by waste electrical equipment class ABS material of the present embodiment, its property indices all reaches the standard of materials requirement of national household electric appliances to casing for electric appliances, a regeneration difficult problem that efficiently solves waste electrical equipment, can improve Business Economic Benefit and social benefit.
embodiment 2
A high-performance ABS alloy of being prepared by waste electrical equipment class ABS material, its composition of raw materials is comprised of the each component of following parts by weight:
95 parts of waste electrical equipment class ABS crushed materials;
5 parts of SBS toughner;
0.4 part of the long-acting thermo-stabilizer of B-215.
In above-mentioned raw materials formula, waste electrical equipment class ABS crushed material is the crushed material that particle diameter that waste electrical equipment class ABS material is obtained after pulverization process is less than or equal to 10mm; Described waste electrical equipment class ABS material refers to that by ABS be waste electrical equipment class defective material, substandard products material or the waste material that starting material are manufactured, as by ABS being the waste and old housing of the electrical equipment such as refrigerator, air-conditioning, water dispenser or televisor of starting material manufacture; Described the waste electrical equipment class defective material, substandard products material or the waste material that by ABS, are starting material manufacture refer to waste electrical equipment class defective material, substandard products material or the waste material of being manufactured by pure ABS, and ABS content accounts for waste electrical equipment class defective material, substandard products material or waste material that more than 95% material is manufactured.
In above-mentioned raw materials formula, described SBS toughner is to adopt commercially available Ba Ling petrochemical industry YH792.
In above-mentioned raw materials formula, the long-acting thermostability of described B-215 is the long-acting thermostability of B-215 that adopts commercially available vapour bar.
Above-mentioned a kind of high-performance ABS alloy of being prepared by waste electrical equipment class ABS material, its preparation method comprises the steps:
The preparation of step 1. waste electrical equipment class ABS crushed material
Collect waste electrical equipment class ABS material, use cuts machine, and to length, the waste electrical equipment class ABS material over 600mm cuts, after making to cut, its length is less than 600mm, the waste electrical equipment class ABS material that again the waste electrical equipment class ABS material after cutting and length is no more than to 600mm is together sent on pulverizer and is pulverized, obtaining the particle that granularity is less than or equal to 10mm, is required waste electrical equipment class ABS crushed material;
The waste electrical equipment class ABS crushed material that step 2. is prepared step 1 according to above-mentioned raw materials formula, the long-acting thermo-stabilizer of SBS toughner and B-215 is put in vertical cylinder type stainless steel appearance body stirrer and is repeatedly stirred three times, each churning time is one hour, stirrer rotating speed is 650 revs/min, after mixing, send in twin screw extruder, rotating speed at twin screw extruder is 400 revs/min, temperature is to carry out melting mixing under the condition of 190 ℃, after gained melt is extruded by twin screw extruder, cooling through 80 ℃ of tanks, the dicing machine of introducing rotating speed again and be 900 revs/min carries out pelletizing operation, collect pellet and be the required ABS alloy of the present embodiment.
In above-mentioned steps 1, the waste electrical equipment that purchase is come is selected confirmation, selects the waste electrical equipment of being manufactured by pure ABS and accounts for by ABS content the waste electrical equipment that more than 95% material is manufactured, due to refrigerator, air-conditioning, water dispenser, the waste and old housing material of televisor etc. is larger, all over length 600mm's, will be by cutting machine, cut and be less than 600mm and just can enter below pulverizer and pulverize, cut acc power 60kw, 1400 revs/min of motor speeds, by speed change scissors speed, be 600 turn/hour, the waste electrical equipment class ABS material that again the waste electrical equipment class ABS material after cutting and length is no more than to 600mm is together sent on pulverizer and is pulverized, pulverizer with power 22kw, motor speed is 1400 revs/min, by transmitting speed change, make the rotating speed of crushing knife become 700 revs/min.
The ABS alloy that adopts ASTM international standard to prepare the present embodiment carries out performance test, and result is as shown in table 2.
The performance test results of the ABS alloy of table 2 embodiment 2
| Character | Method | Unit | Data |
| Proportion | ASTM D792 | — | 1.05 |
| Mould shrinks | ASTM D955 | % | 0.33 |
| Tensile strength | ASTM D638 | Kgf/c㎡ | 480 |
| Flexural strength | ASTM D790 | Kgf/c㎡ | 785 |
| Unit elongation | ?ASTM D638 | % | 20 |
| Bending modulus | ASTM D790 | Kgf/c㎡ | 11200 |
| Notched Izod impact strength (1/8 ") (23 ℃) | ASTM D256 | Kg·㎝/㎝ | 21 |
| Heat-drawn wire | ASTM D648 | ℃ | 85 |
| Flame resistivity | UL94 | (1/8") | HB |
| Drying temperature | — | ℃ | 70 |
| Time of drying | — | HR | 4 |
| Melt temperature | — | ℃ | 180～210 |
| Suggestion mould temperature | — | ℃ | 50 |
As can be seen from Table 2, a kind of high-performance ABS alloy of being prepared by waste electrical equipment class ABS material of the present embodiment, its property indices all reaches the standard of materials requirement of national household electric appliances to casing for electric appliances, the low-carbon (LC) that country is advocated, energy-conservation, reduction of discharging, environmental protection and renewable resource utilization, made out and out response.
Claims (1)
1. a preparation method for the high-performance ABS alloy of being prepared by waste electrical equipment class ABS material, its composition of raw materials is comprised of the each component of following parts by weight:
90 parts of waste electrical equipment class ABS crushed materials;
10 parts of SBS toughner;
0.2 part of the long-acting thermo-stabilizer of B-215;
Described SBS is the YH792 that Ba Ling petrochemical industry is produced, and the long-acting thermo-stabilizer of described B-215 is the long-acting thermo-stabilizer of B-215 that vapour bar produces;
Described waste electrical equipment class ABS crushed material is the crushed material that particle diameter that waste electrical equipment class ABS material is obtained after pulverization process is less than or equal to 10mm;
The preparation method of the above-mentioned high-performance ABS alloy of being prepared by waste electrical equipment class ABS material, it specifically comprises the steps:
The preparation of step 1. waste electrical equipment class ABS crushed material
Collect waste electrical equipment class ABS material, use cuts machine, and to length, the waste electrical equipment class ABS material over 600mm cuts, after making to cut, its length is less than 600mm, the waste electrical equipment class ABS material that again the waste electrical equipment class ABS material after cutting and length is no more than to 600mm is together sent on pulverizer and is pulverized, obtaining the particle that granularity is less than or equal to 10mm, is required waste electrical equipment class ABS crushed material;
Step 2. is sent in twin screw extruder after being repeatedly uniformly mixed in the long-acting thermo-stabilizer threading of waste electrical equipment class ABS crushed material, SBS toughner and the B-215 of step 1 preparation stirrer according to above-mentioned raw materials formula, at the temperature of 200 ℃, carry out melting mixing, after gained melt is extruded by twin screw extruder, cooling through tank, introduce dicing machine and carry out pelletizing operation, collect pellet and be ABS alloy;
In described step 2, repeatedly stir and refer to and repeatedly stir three times in stirrer, each churning time is one hour;
In described step 2, the rotating speed of stirrer adopts 650 revs/min;
In described step 2, the rotating speed of twin screw extruder is 400 revs/min;
In described step 2, the melt of being extruded by twin screw extruder is when tank is cooling, and tank temperature used is 70 ℃;
In described step 2, the rotating speed of dicing machine is 600 revs/min.
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| CN201210328195.3A CN102875952B (en) | 2012-09-07 | 2012-09-07 | High-performance acrylonitrile butadiene styrene (ABS) alloy prepared from waste and worn electrical appliance ABS materials, and preparation method and application of ABS alloy |
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| CN104231535A (en) * | 2014-10-17 | 2014-12-24 | 苏州市涵信塑业有限公司 | ABS recycled plastic modified particles |
| CN105255096A (en) * | 2015-11-18 | 2016-01-20 | 四川长虹格润再生资源有限责任公司 | Method for toughening waste ABS plastic of washing machines |
| CN106566036A (en) * | 2016-10-18 | 2017-04-19 | 泰力（安徽）电器股份有限公司 | Efficient regeneration technology of waste and worn appliance switches and sockets |
| CN111393822B (en) * | 2020-04-15 | 2022-05-31 | 佛山市汉纬新材料有限公司 | PC/ABS alloy plastic for shell material and preparation method thereof |
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| CN102311610A (en) * | 2011-07-06 | 2012-01-11 | 惠州市昌亿科技股份有限公司 | Acrylonitrile-butadiene-styrene (ABS) composite material used for housing of intelligent water meter and preparation method thereof |
| CN102399428A (en) * | 2011-11-17 | 2012-04-04 | 铜陵市三盛电子有限公司 | Modified polycarbonate material for producing locomotive capacitor shell |
| CN102634161A (en) * | 2012-04-28 | 2012-08-15 | 广东省石油化工研究院 | Toughening and reinforcing paintable reclaimed ABS (Acrylonitrile-Butadiene-Styrene) and preparation method thereof |
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| CN102311610A (en) * | 2011-07-06 | 2012-01-11 | 惠州市昌亿科技股份有限公司 | Acrylonitrile-butadiene-styrene (ABS) composite material used for housing of intelligent water meter and preparation method thereof |
| CN102399428A (en) * | 2011-11-17 | 2012-04-04 | 铜陵市三盛电子有限公司 | Modified polycarbonate material for producing locomotive capacitor shell |
| CN102634161A (en) * | 2012-04-28 | 2012-08-15 | 广东省石油化工研究院 | Toughening and reinforcing paintable reclaimed ABS (Acrylonitrile-Butadiene-Styrene) and preparation method thereof |
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