CN103351595A - Improved high-runnability PC and ABS alloy and preparation method thereof - Google Patents
Improved high-runnability PC and ABS alloy and preparation method thereof Download PDFInfo
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- CN103351595A CN103351595A CN2013103254274A CN201310325427A CN103351595A CN 103351595 A CN103351595 A CN 103351595A CN 2013103254274 A CN2013103254274 A CN 2013103254274A CN 201310325427 A CN201310325427 A CN 201310325427A CN 103351595 A CN103351595 A CN 103351595A
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- polycarbonate
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- 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
- 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
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/875—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling for achieving a non-uniform temperature distribution, e.g. using barrels having both cooling and heating zones
-
- 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 provides an improved high-runnability PC (polycarbonate) and ABS (Acrylonitrile Butadiene Styrene) alloy and a preparation method thereof. The improved high-runnability PC and ABS alloy is characterized by comprising the following components in parts by weight: 70 parts of PC, 15 parts of ABS, 1-10 part (s) of flexibilizer, 1-20 part (s) of flame retardant, 0.5-5 part (s) of photostabilizer and 1-10 part (s) of flowable agent. The preparation method comprises the steps of placing the components into a high-speed mixer to be uniformly mixed and feeding the mixture into a screw extruder to be squeezed out and pelletized. Compared with the prior art, the cost is lowered, the runnability, the mechanical property and the processability are excellent and the improved high-runnability PC and ABS alloy is suitable for the fields of automobiles, electronics, electric appliances and the like.
Description
Technical field
The present invention relates to a kind of polycarbonate and ABS Alloy And Preparation Method, specifically, is a kind of improved high workability polycarbonate and ABS Alloy And Preparation Method.
Background technology
The alloy of polycarbonate (PC) and ABS, owing to combine splendid toughness and the good processing characteristics of ABS of PC, make it possess low warpage, low-shrinkage and dimensional stability have good mechanical property at aspects such as resistance to impact shock, flexibility, rigidity, thermotolerance and processing temperature scopes.In recent years, PC and ABS alloy are developed rapidly, and be industrial for further optimizing its mechanical property, with polycarbonate and ABS alloy and other compound blend, to be applicable to different production fields.Aspect raising PC and ABS alloy flowability, also there is the contriver to make many good tries.Patent of invention CN200410006316.8 discloses a kind of high performance polycarbonate/ABS composition, comprise by 20～90 parts of polycarbonate (PC) by weight ABS72～8 part, 8～2 parts of compatilizers, 0.4～0.2 part in oxidation inhibitor, 0.3～0.1 part of lubricant.Mutually collaborative by each component, its resulting composition is in flowability, and flexural strength and modulus in flexure aspect are further improved.But because the physical performance index of the tensile strength of its composition and shock strength is lower, prepared composition toughness is relatively poor, and use range is subject to domestic zero parts such as producing handset shell.
Patent of invention 201110023688.1 discloses a kind of high mobile high-impact scratch resistant polycarbonate compositions, add certainweight Polyurethane Thermoplastic Elastomer (TPU), reduce the melt viscosity of polycarbonate, improved processing characteristics, obviously improved the shock resistance of PC/ABS composition.But the flowability of composition and tensile strength are still not ideal enough.
Summary of the invention
The object of the invention is at the Alloy And Preparation Method that a kind of improved high workability polycarbonate (PC) and ABS are provided.On the prior art basis, further improve the flowability of polycarbonate and ABS alloy, and keep preferably its original mechanical property and physicals.
Summary of the invention: a kind of improved high workability polycarbonate of the present invention and ABS alloy, it is characterized in that counting by weight and get the polycarbonate (PC) that consists of 70 parts, acrylonitrile-styrene-divinyl of 15 parts (ABS), 1～10 part toughner, 1～20 part fire retardant, the flowing agent of 0.5～5 part photostabilizer and 1～10 part.
Wherein, described toughner is one or more in POE, ethylene-butylene copolymer, ethylene propylene copolymer and the styrene-butadiene-copolymer.
Described fire retardant is one or more in triphenylphosphate, Tritolyl Phosphate, the dihydroxyphenyl propane bis phosphoric acid diphenyl ester.
Described photostabilizer is bisphenol a disalicylate, 2-hydroxyl-4 n-octyloxies-benzophenone, 2,4 dihydroxyl benzophenone and 2-(2 '-dihydroxyl-3 '-tertiary butyl-5 '-aminomethyl phenyl)-in the 5-chlorobenzotriazole one or more.
Described flowing agent is one or more in ethylene bis stearamide (EBS), tetramethylolmethane stearic acid (PETS), PE wax and the PP wax.
The preparation method of above-mentioned improved high workability polycarbonate and ABS alloy is as follows:
1) with 70 parts of polycarbonate (PC), acrylonitrile-styrene-divinyl of 15 parts (ABS), 1～10 part toughner, 1～20 part fire retardant, 0.5 the flowing agent of～5 parts photostabilizer and 1～10 part is counted by weight and is got, and puts into homogenizer and fully is mixed into compound;
2) compound that forms is put into 75# twin screw extruder extruding pelletization, rotating speed is 400r/min, the first district of forcing machine temperature is 230 ℃, two district's temperature are 245 ℃, three district's temperature are 245 ℃, four district's temperature are 245 ℃, and five district's temperature are 240 ℃, namely get the mobile polycarbonate of a kind of improved height of the present invention and ABS alloy after extruding.
Compare with patent 201110023688.1 disclosed a kind of high mobile high-impact scratch resistant polycarbonate compositions, the high mobile polycarbonate of this improvement of the present invention and the main difference on component of ABS alloy are not use Polyurethane Thermoplastic Elastomer (TPU), and have increased the interpolation of fire retardant at compound scheme.Though TPU, has the advantages such as elongation is large, and wear-resisting and durometer level is wide as flowing impact modifier, its easy burning has simultaneously serious molten drop and drips and drop down phenomenon, once is called as one of the most unmanageable thermoplastic elastomer.TPU though significantly improved flowability and the impact-resistance of composition, has also reduced the flame retardant resistance of polycarbonate and ABS composition simultaneously with the PC/ABS blend time.
High polycarbonate and the ABS alloy of flowing of a kind of improvement of the present invention, component is relatively simple, the by weight component of polycarbonate and ABS is than fixing, the temperature in each district of extruder head is far below prior art, be conducive to prevent that carbonic ether and ABS alloy property that excessive temperature causes from becoming bad, take the present invention program to make to get polycarbonate and ABS alloy, have excellent flowing property, tensile property, flame retardant properties and resistance toheat, be widely used in the fields such as automobile component, electrical equipment, navigating instrument, household electrical appliance.
Embodiment:
The invention will be further described below with reference to preferred embodiment of the present invention.
As exemplary embodiment of the present invention, high polycarbonate and the ABS alloy of flowing of a kind of improvement of the present invention, it is characterized in that counting by weight and get the polycarbonate (PC) that consists of 70 parts, acrylonitrile-styrene-divinyl of 15 parts (ABS), 1～10 part toughner, 1～20 part fire retardant, the flowing agent of 0.5～5 part photostabilizer and 1～10 part.
Wherein, described toughner is one or more in POE, ethylene-butylene copolymer, ethylene propylene copolymer and the styrene-butadiene-copolymer.
Described fire retardant is one or more in triphenylphosphate, Tritolyl Phosphate, the dihydroxyphenyl propane bis phosphoric acid diphenyl ester.
Described photostabilizer is one or more in bisphenol a disalicylate, 2-hydroxyl-4 n-octyloxies-benzophenone, 2,4 dihydroxyl benzophenone and 2-(2 '-dihydroxyl-the 3 '-tertiary butyl-5 '-aminomethyl phenyl)-5-chlorobenzotriazole.
Described flowing agent is one or more in ethylene bis stearamide (EBS), tetramethylolmethane stearic acid (PETS), PE wax and the PP wax.
The preparation method of above-mentioned improved high workability polycarbonate and ABS alloy is as follows:
1) with 70 parts of polycarbonate (PC), acrylonitrile-styrene-divinyl of 15 parts (ABS), 1～10 part toughner, 1～20 part fire retardant, 0.5 the flowing agent of～5 parts photostabilizer and 1～10 part is counted by weight and is got, and puts into homogenizer and fully is mixed into compound;
2) compound that forms is put into 75# twin screw extruder extruding pelletization, rotating speed is 400r/min, the first district of forcing machine temperature is 230 ℃, two district's temperature are 245 ℃, three district's temperature are 245 ℃, four district's temperature are 245 ℃, and five district's temperature are 240 ℃, namely get the mobile polycarbonate of a kind of improved height of the present invention and ABS alloy after extruding.
Below be concrete preferred embodiment:
Embodiment one: high polycarbonate and the ABS alloy of flowing of a kind of improvement of this preferred embodiment, count by weight shown in its table composed as follows:
| PC | 70 parts |
| ABS | 15 parts |
| Styrene-butadiene-copolymer | 6 parts |
| Dihydroxyphenyl propane bis phosphoric acid diphenyl ester | 10 parts |
| 2,4 dihydroxyl benzophenone | 3 parts |
| Tetramethylolmethane stearic acid (PETS) | 1 part |
Get by weight 70 parts polycarbonate (PC), acrylonitrile-styrene-divinyl of 15 parts (ABS), 6 parts of styrene-butadiene-copolymer, 10 portions of dihydroxyphenyl propane bis phosphoric acid diphenyl esters, 3 part 2,4-dihydroxy benaophenonel and 1 part of tetramethylolmethane stearate are inserted the material of getting ready in the homogenizer, make each component fully mix the formation compound;
The compound that forms is sent into twin screw extruder carry out extruding pelletization, rotating speed is 400r/min, the first district of forcing machine temperature is 230 ℃, two district's temperature are 245 ℃, three district's temperature are 245 ℃, four district's temperature are 245 ℃, and five district's temperature are 240 ℃, namely get high polycarbonate and the ABS alloy of flowing of a kind of improvement of the present invention after extruding.
The performance test results:
Obviously a kind of high heat-proof impact-resistant polycarbonate compositions of this preferred embodiment has better comprehensive mechanical performance, and good flowability and flame retardant resistance.
Embodiment two: high polycarbonate and the ABS alloy of flowing of a kind of improvement of this preferred embodiment, count by weight shown in its table composed as follows:
| PC | 70 parts |
| ABS | 15 parts |
| POE | 6 parts |
| Dihydroxyphenyl propane bis phosphoric acid diphenyl ester | 10 parts |
| 2,4 dihydroxyl benzophenone | 3 parts |
| Tetramethylolmethane stearic acid (PETS) | 4 parts |
Get by weight 70 parts polycarbonate (PC), acrylonitrile-styrene-divinyl of 15 parts (ABS), 6 parts of POE, 10 portions of dihydroxyphenyl propane bis phosphoric acid diphenyl esters, 3 part 2,4-dihydroxy benaophenonel and 4 parts of tetramethylolmethane stearates are inserted the material of getting ready in the homogenizer, make each component fully mix the formation compound;
The compound that forms is sent into twin screw extruder carry out extruding pelletization, rotating speed is 400r/min, the first district of forcing machine temperature is 230 ℃, two district's temperature are 245 ℃, three district's temperature are 245 ℃, four district's temperature are 245 ℃, and five district's temperature are 240 ℃, namely get high polycarbonate and the ABS alloy of flowing of a kind of improvement of the present invention after extruding.
The performance test results:
The high mobile polycarbonate of a kind of improvement of this preferred embodiment and ABS alloy are taken as 4 parts at the flowing agent weighing scale, and when other component meter taken amounts were constant, along with the increase of flowing agent, melt index significantly improved.Simultaneously, heat-drawn wire on the performance perameter, tensile strength, notched Izod impact strength and elongation at break all rise to some extent, the flowing property that totally keeps comprehensive mechanical performance preferably to become reconciled.
Embodiment three: high polycarbonate and the ABS alloy of flowing of a kind of improvement of this preferred embodiment, count by weight shown in its table composed as follows:
| PC | 70 parts |
| ABS | 15 parts |
| POE | 3 parts |
| Dihydroxyphenyl propane bis phosphoric acid diphenyl ester | 10 parts |
| 2,4 dihydroxyl benzophenone | 3 parts |
| Tetramethylolmethane stearic acid (PETS) | 8 parts |
Get by weight 70 parts polycarbonate (PC), acrylonitrile-styrene-divinyl of 15 parts (ABS), 3 parts of POE, 10 portions of dihydroxyphenyl propane bis phosphoric acid diphenyl esters, 3 part 2,4-dihydroxy benaophenonel and 8 parts of tetramethylolmethane stearates are inserted the material of getting ready in the homogenizer, make each component fully mix the formation compound;
The compound that forms is sent into twin screw extruder carry out extruding pelletization, rotating speed is 400r/min, the first district of forcing machine temperature is 230 ℃, two district's temperature are 245 ℃, three district's temperature are 245 ℃, four district's temperature are 245 ℃, and five district's temperature are 240 ℃, namely get high polycarbonate and the ABS alloy of flowing of a kind of improvement of the present invention after extruding.
The performance test results:
High polycarbonate and the ABS alloy of flowing of a kind of improvement of this preferred embodiment, along with the increase of flowing agent number of components, the melt index of composition increases.Reduce because the toughner deal is got relative component number, tensile strength, elongation at break and notched Izod impact strength index all have decline in the mechanical property that for this reason tests out, and except heat-drawn wire descends to some extent, still keep gratifying numerical value in other performances.
Claims (6)
1. flow polycarbonate and ABS alloy of an improved height, it consists of: calculate by weight 70 parts polycarbonate (PC), acrylonitrile-styrene-divinyl of 15 parts (ABS), 1 ~ 10 part toughner, 1 ~ 20 part fire retardant, the flowing agent of 0.5 ~ 5 part photostabilizer and 1 ~ 10 part.
2. flow polycarbonate and ABS alloy of an improved height is characterized in that described toughner is one or more in POE, ethylene-butylene copolymer, ethylene propylene copolymer and the styrene-butadiene-copolymer.
3. flow polycarbonate and ABS alloy of an improved height is characterized in that described fire retardant is one or more in triphenylphosphate, Tritolyl Phosphate, the dihydroxyphenyl propane bis phosphoric acid diphenyl ester.
4. flow polycarbonate and ABS alloy of an improved height, it is characterized in that described photostabilizer is bisphenol a disalicylate, 2-hydroxyl-4 n-octyloxies-benzophenone, 2,4 dihydroxyl benzophenone and 2-(2 '-dihydroxyl-3 '-tertiary butyl-5 '-aminomethyl phenyl)-in the 5-chlorobenzotriazole one or more.
5. flow polycarbonate and ABS alloy of an improved height is characterized in that described flowing agent is one or more in ethylene bis stearamide (EBS), tetramethylolmethane stearic acid (PETS), PE wax and the PP wax.
6. the improved high preparation method of polycarbonate and ABS alloy that flows comprises:
1) with 70 parts of polycarbonate (PC), acrylonitrile-styrene-divinyl of 15 parts (ABS), 1 ~ 10 part toughner, 1 ~ 20 part fire retardant, 0.5 the flowing agent of ~ 5 parts photostabilizer and 1 ~ 10 part is counted by weight and is got, and puts into homogenizer and fully is mixed into compound;
2) compound that forms is put into 75# twin screw extruder extruding pelletization, rotating speed is 400r/min, the first district of forcing machine temperature is 230 ℃, two district's temperature are 245 ℃, three district's temperature are 245 ℃, four district's temperature are 245 ℃, and five district's temperature are 240 ℃, namely get the mobile polycarbonate of a kind of improved height of the present invention and ABS alloy after extruding.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013103254274A CN103351595A (en) | 2013-07-30 | 2013-07-30 | Improved high-runnability PC and ABS alloy and preparation method thereof |
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| CN2013103254274A CN103351595A (en) | 2013-07-30 | 2013-07-30 | Improved high-runnability PC and ABS alloy and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105017709A (en) * | 2015-06-30 | 2015-11-04 | 苏州润佳工程塑料股份有限公司 | High temperature-resistant hydrolysis-resistant ABS engineering plastic |
| CN112029254A (en) * | 2020-08-27 | 2020-12-04 | 上海锦湖日丽塑料有限公司 | Damp-heat-aging-resistant halogen-free flame-retardant PC/ABS alloy material and preparation method thereof |
| CN112940480A (en) * | 2021-03-16 | 2021-06-11 | 南通大学 | Halogen-free flame-retardant impact-resistant PC/ABS composition and preparation method thereof |
| US11499010B2 (en) | 2018-08-10 | 2022-11-15 | Lg Chem, Ltd. | Polycarbonate and preparation method thereof |
| US11884777B2 (en) | 2018-09-14 | 2024-01-30 | Lg Chem, Ltd. | Diol compound, polycarbonate, and preparation method of the same |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105017709A (en) * | 2015-06-30 | 2015-11-04 | 苏州润佳工程塑料股份有限公司 | High temperature-resistant hydrolysis-resistant ABS engineering plastic |
| US11499010B2 (en) | 2018-08-10 | 2022-11-15 | Lg Chem, Ltd. | Polycarbonate and preparation method thereof |
| US11884777B2 (en) | 2018-09-14 | 2024-01-30 | Lg Chem, Ltd. | Diol compound, polycarbonate, and preparation method of the same |
| CN112029254A (en) * | 2020-08-27 | 2020-12-04 | 上海锦湖日丽塑料有限公司 | Damp-heat-aging-resistant halogen-free flame-retardant PC/ABS alloy material and preparation method thereof |
| CN112940480A (en) * | 2021-03-16 | 2021-06-11 | 南通大学 | Halogen-free flame-retardant impact-resistant PC/ABS composition and preparation method thereof |
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Application publication date: 20131016 |