CN113667288A - High-strength flame-retardant PC/ABS alloy material, preparation method thereof and extrusion device - Google Patents
High-strength flame-retardant PC/ABS alloy material, preparation method thereof and extrusion device Download PDFInfo
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- CN113667288A CN113667288A CN202110981986.5A CN202110981986A CN113667288A CN 113667288 A CN113667288 A CN 113667288A CN 202110981986 A CN202110981986 A CN 202110981986A CN 113667288 A CN113667288 A CN 113667288A
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
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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
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
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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
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/287—Raw material pre-treatment while feeding
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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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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a brand-new high-strength flame-retardant PC/ABS alloy material, which comprises the following components in parts by weight: 50-70 parts of PC, 30-50 parts of ABS, 5-10 parts of PBAT, 2-6 parts of a flame retardant, 2-8 parts of a compatilizer, 5-8 parts of nano-ceramic powder, 3-5 parts of bentonite, 10-25 parts of carbon fiber, 2-4 parts of a lubricant and 2-5 parts of a processing aid. Under the cooperation of a brand-new process and an extrusion device, the strength and the flame retardant property of the produced alloy material are greatly improved, and the aims of improving the quality of the alloy material and optimizing the preparation process of the alloy material are fulfilled.
Description
Technical Field
The invention relates to the field of production and processing of high polymer materials, in particular to a high-strength flame-retardant PC/ABS alloy material, a preparation method thereof and an extrusion device.
Background
Polycarbonate (PC)/acrylonitrile-butadiene-styrene copolymer (ABS) alloy materials have excellent overall properties and are widely used as mobile phones, facsimiles, copiers, and computer housings.
With the development of mobile phones, notebooks and the like in the direction of lightness, thinness, firmness and high flame retardant coefficient at the present stage, the material thereof should have higher strength and better flame retardant effect, so how to improve the strength and flame retardant effect of the material is a technical problem to be solved urgently at the present stage.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
In order to solve the technical problems, the invention provides a high-strength flame-retardant PC/ABS alloy material, a preparation method thereof and an extrusion device, so as to achieve the purposes of improving the quality of the alloy material and optimizing the preparation process of the alloy material.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a high-strength flame-retardant PC/ABS alloy material comprises the following components in parts by weight: 50-70 parts of PC, 30-50 parts of ABS, 5-10 parts of PBAT, 2-6 parts of a flame retardant, 2-8 parts of a compatilizer, 5-8 parts of nano-ceramic powder, 3-5 parts of bentonite, 10-25 parts of carbon fiber, 2-4 parts of a lubricant and 2-5 parts of a processing aid.
Preferably, the compatilizer is one or a mixture of more of ABS-g-MAH, ABS-g-GMA, AS-g-MAH, methyl methacrylate, styrene-maleic anhydride copolymer or styrene-acrylonitrile-glycidyl methacrylate copolymer in any proportion.
Preferably, the lubricant is one or a combination of several of stearate, silicone, N' -ethylene bis-stearic acid amide, fatty acid salt, fatty acid amide, pentaerythritol stearate, solid paraffin or liquid paraffin.
Preferably, the processing aid is one or a mixture of several of an antioxidant, an antistatic agent, a weather-resistant agent or a pigment agent in any proportion.
Preferably, the glass bead filler also comprises 1-30 parts of filler, and the filler is glass beads with the particle size of 2 mu m.
A preparation method of a high-strength flame-retardant PC/ABS alloy material comprises the following steps:
s1, mixing the nano-ceramic powder, the bentonite and the carbon fiber;
s2, mixing the PC, the ABS, the PBAT and the flame retardant in corresponding parts;
s3, adding the mixture obtained in the step S1 and the mixture obtained in the step S2 into the feed inlet of the extruder at the same time, and gradually adding the phase solvent, the lubricant and the processing aid into the mixture;
s4, continuously extruding and granulating the raw material along with the operation of the extruder;
and S5, cooling and collecting the product.
An extrusion device suitable for producing a high-strength flame-retardant PC/ABS alloy material comprises an extruder body, a feeding assembly arranged on the extruder body and a driving assembly arranged on the extruder body;
the tail end of the extruder body is provided with a discharge pipe and a disc, the center of the disc is provided with a threaded barrel, and the threaded barrel is sleeved on the discharge pipe;
the feeding device comprises a feeding pipe arranged at the upper part of the head end of the extruder body, a plurality of feeding hoppers arranged on the side walls of the feeding pipe and a detachably mounted stirrer arranged in the feeding hoppers;
the driving assembly comprises an extruding motor which is arranged at the head end of the extruder body and drives the base machine.
Preferably, the extruder further comprises a material cutting assembly arranged at the tail end of the extruder, the material cutting assembly comprises a rotating rod arranged at the bottom end of the disc, a cutter arranged on the rotating rod and a material cutting motor driving the rotating rod to rotate, a main gear is arranged at the head end of a rotating shaft of the material cutting motor, a driven gear matched with the main gear is arranged at the upper end of the rotating rod, and the rotating rod cannot affect the disc in the rotation process. The blanking assembly is arranged at the tail end of the extruder body, so that the blanking process of extruded materials is realized, the continuity of discharging and blanking is realized, the automation of production equipment is improved, and the production efficiency is improved.
Preferably, an electromagnetic valve is arranged at the discharge port of the feed hopper;
mounting holes are symmetrically formed in the side wall of the feeding hopper, locking screws are connected to the mounting holes in a threaded mode, and column grooves are formed in the end portions of the locking screws; and a cross rod for mounting the stirrer is arranged in the column groove. Realize the automation of pan feeding through the solenoid valve, be convenient for carry out automated control to the order of pan feeding, realized the removable installation of agitator through locking screw and setting at locking screw tip post groove simultaneously and further promoted production efficiency.
The invention has the following advantages:
1. the invention provides a brand-new high-strength flame-retardant PC/ABS alloy material with a component ratio, which greatly improves the strength and flame-retardant property of the produced alloy material under the coordination of corresponding processes and an extrusion device, and achieves the purposes of improving the quality of the alloy material and optimizing the preparation process of the alloy material.
2. According to the invention, the blanking assembly is arranged at the tail end of the extruder body, so that the blanking process of the extruded material is realized, the continuity of discharging and blanking is realized, the automation of production equipment is improved, and the production efficiency is improved.
3. According to the invention, the automation of feeding is realized through the electromagnetic valve, the automatic control of the feeding sequence is facilitated, and meanwhile, the detachable installation of the stirrer is realized through the locking screw and the column groove arranged at the end part of the locking screw, so that the production efficiency is further improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
FIG. 1 is a schematic structural diagram of an extrusion apparatus for high-strength flame-retardant PC/ABS alloy material according to an embodiment of the present invention;
the corresponding part names indicated by the numbers and letters in the drawings:
1. extruder body 11, discharge pipe 12, disk 13, threaded cylinder 21, feed pipe 22 and feed hopper
23. Stirrer 24, electromagnetic valve 25, locking screw 26, cross bar 31, extrusion motor 41 and rotating rod
42. The cutting knife 43, the material cutting motor 44, the main gear 45 and the driven gear.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
The invention provides a brand-new high-strength flame-retardant PC/ABS alloy material with a component ratio, which greatly improves the strength and flame-retardant property of the produced alloy material under the coordination of corresponding processes and an extrusion device, and achieves the purposes of improving the quality of the alloy material and optimizing the preparation process of the alloy material.
The present invention will be described in further detail with reference to examples and specific embodiments.
The first embodiment is as follows:
a high-strength flame-retardant PC/ABS alloy material comprises the following components in parts by weight: 50 parts of PC, 50 parts of ABS, 5 parts of PBAT, 2 parts of a flame retardant, 2 parts of a compatilizer, 5 parts of nano-ceramic powder, 5 parts of bentonite, 25 parts of carbon fiber, 4 parts of a lubricant, 2 parts of a processing aid and 5 parts of glass beads.
The utility model provides an extrusion device suitable for production of fire-retardant PC of high strength ABS alloy material, includes extruder body 1, sets up the material loading subassembly on the extruder body, sets up drive assembly on the extruder body, set up the blank subassembly at the extruder body tail end.
The tail end of the extruder body is provided with a discharge pipe 11 and a disc 12, the center of the disc is provided with a threaded barrel 13, and the threaded barrel is sleeved on the discharge pipe;
the feeding device comprises a feeding pipe 21 arranged at the upper part of the head end of the extruder body, a plurality of feeding hoppers 22 arranged on the side walls of the feeding pipe and a stirrer 23 arranged in the feeding hoppers and detachably mounted; an electromagnetic valve 24 is arranged at the discharge outlet of the feed hopper; the side wall of the feed hopper is symmetrically provided with mounting holes (not shown), the mounting holes are in threaded connection with locking screws 25, and the end parts of the locking screws are provided with column grooves (not shown); a cross bar 26 for mounting the stirrer is arranged in the column groove.
The driving component comprises an extruding motor 31 which is arranged at the head end of the extruder body and drives the base machine.
The cutting assembly comprises a rotating rod 41 arranged at the bottom end of the disc, a cutter 42 arranged on the rotating rod and a cutting motor 43 driving the rotating rod to rotate, a main gear 44 is arranged at the head end of a rotating shaft of the cutting motor, a driven gear 45 matched with the main gear is arranged at the upper end of the rotating rod, and the rotating rod cannot affect the disc in the rotation process.
The specific use steps of the invention are as follows: as shown in fig. 1, in the actual use process, according to the actual requirement, a proper number of feed hoppers 21 are selected, and then the stirrer 23 is added in the feed hopper as required under the stirring condition, such as the feed hopper on the right side in the figure (in the adding process, a worker installs the stirrer 23 on the cross bar 26 through a screw, and after putting the stirrer into the feed hopper, another worker continuously screws in the locking screw until the two ends of the cross bar are positioned in the column groove of the locking screw). Then pouring the nano-scale ceramic powder, the bentonite and the carbon fiber into a right feed hopper, mixing and stirring the raw materials by a stirrer, and pouring the PC, the ABS, the PBAT and the flame retardant into another feed hopper with a stirrer for mixing; the phase dissolving agent, the lubricant and the processing aid are respectively filled into three feeding hoppers without stirrers (only 2 feeding hoppers are shown in the figure), then the proper number of feeding hoppers are selected according to actual requirements and are gradually added into other independent raw materials according to the actual manufacturing process, and then according to the actual situation, the opening time and the opening degree of the electromagnetic valve can be controlled by the worker, so that the flow rate, the time and the sequence of each raw material entering the extruder body 1 are adjusted. After being processed by the extruder body 1, the raw material is extruded from the discharge pipe 11, and at this time, the cutting knife 42 is driven to cut the raw material under the action of the cutting motor 43, the main gear 44, the driven gear 45 and the rotating rod, so that the cutting process of the raw material is realized.
Example two:
a high-strength flame-retardant PC/ABS alloy material comprises the following components in parts by weight: 50 parts of PC, 50 parts of ABS, 10 parts of PBAT, 6 parts of a flame retardant, 8 parts of a compatilizer, 8 parts of nano-ceramic powder, 5 parts of bentonite, 125 parts of carbon fiber, 4 parts of a lubricant, 5 parts of a processing aid and 30 parts of glass beads.
Example three:
a high-strength flame-retardant PC/ABS alloy material comprises the following components in parts by weight: 70 parts of PC, 30 parts of ABS, 5 parts of PBAT, 2 parts of a flame retardant, 2 parts of a compatilizer, 5 parts of nano-ceramic powder, 3 parts of bentonite, 10 parts of carbon fiber, 2 parts of a lubricant, 2 parts of a processing aid and 1 part of glass beads.
Example four:
a high-strength flame-retardant PC/ABS alloy material comprises the following components in parts by weight: 70 parts of PC, 30 parts of ABS, 10 parts of PBAT, 6 parts of a flame retardant, 8 parts of a compatilizer, 8 parts of nano-ceramic powder, 5 parts of bentonite, 25 parts of carbon fiber, 4 parts of a lubricant, 5 parts of a processing aid and 30 parts of glass beads.
Example five:
a high-strength flame-retardant PC/ABS alloy material comprises the following components in parts by weight: 60 parts of PC, 40 parts of ABS, 7 parts of PBAT, 4 parts of flame retardant, 5 parts of compatilizer, 6 parts of nano-ceramic powder, 4 parts of bentonite, 18 parts of carbon fiber, 3 parts of lubricant, 3 parts of processing aid and 15 parts of glass beads.
Example six:
a high-strength flame-retardant PC/ABS alloy material comprises the following components in parts by weight: 55 parts of PC, 45 parts of ABS, 5 parts of PBAT, 3 parts of a flame retardant, 4 parts of a compatilizer, 5 parts of nano-ceramic powder, 3 parts of bentonite, 25 parts of carbon fiber, 4 parts of a lubricant, 2 parts of a processing aid and 20 parts of glass beads.
Through the mode, the invention provides a brand-new high-strength flame-retardant PC/ABS alloy material with the component proportion, and under the coordination of the corresponding process and the extrusion device, the strength and the flame-retardant property of the produced alloy material are greatly improved, so that the aims of improving the quality of the alloy material and optimizing the preparation process of the alloy material are fulfilled.
While the above description is directed to the preferred embodiment of the present invention, it is understood that the present invention provides a high strength flame retardant PC/ABS alloy material, and a method and an apparatus for making the same.
Claims (9)
1. The high-strength flame-retardant PC/ABS alloy material is characterized by comprising the following components in parts by weight: 50-70 parts of PC, 30-50 parts of ABS, 5-10 parts of PBAT, 2-6 parts of a flame retardant, 2-8 parts of a compatilizer, 5-8 parts of nano-ceramic powder, 3-5 parts of bentonite, 10-25 parts of carbon fiber, 2-4 parts of a lubricant and 2-5 parts of a processing aid.
2. The high-strength flame-retardant PC/ABS alloy material AS claimed in claim 1, wherein the compatibilizer is one or a mixture of several of ABS-g-MAH, ABS-g-GMA, AS-g-MAH, methyl methacrylate, styrene-maleic anhydride copolymer or styrene-acrylonitrile-glycidyl methacrylate copolymer in any proportion.
3. The reinforced and toughened AES/PBAT alloy material as claimed in claim 1, wherein the lubricant is one or a combination of more of stearate, silicone, N' -ethylene bis-stearamide, fatty acid salt, fatty acid amide, pentaerythritol stearate, solid paraffin or liquid paraffin.
4. The high-strength flame-retardant PC/ABS alloy material as claimed in claim 1, wherein the processing aid is one or a mixture of several of antioxidant, antistatic agent, weather-resistant agent or pigment in any proportion.
5. The high-strength flame-retardant PC/ABS alloy material as claimed in claim 1, further comprising 1-30 parts of filler, wherein the filler is glass beads with a particle size of 2 μm.
6. The preparation method of the high-strength flame-retardant PC/ABS alloy material as claimed in claim 1, wherein the method comprises the following steps:
s1, mixing the nano-ceramic powder, the bentonite and the carbon fiber;
s2, mixing the PC, the ABS, the PBAT and the flame retardant in corresponding parts;
s3, adding the mixture obtained in the step S1 and the mixture obtained in the step S2 into the feed inlet of the extruder at the same time, and gradually adding the phase solvent, the lubricant and the processing aid into the mixture;
s4, continuously extruding and granulating the raw material along with the operation of the extruder;
and S5, cooling and collecting the product.
7. The extrusion device of the high-strength flame-retardant PC/ABS alloy material as claimed in claim 1, comprising an extruder body, a feeding assembly arranged on the extruder body and a driving assembly arranged on the extruder body;
the tail end of the extruder body is provided with a discharge pipe and a disc, the center of the disc is provided with a threaded barrel, and the threaded barrel is sleeved on the discharge pipe;
the feeding device comprises a feeding pipe arranged at the upper part of the head end of the extruder body, a plurality of feeding hoppers arranged on the side walls of the feeding pipe and a detachably mounted stirrer arranged in the feeding hoppers;
the driving assembly comprises an extruding motor which is arranged at the head end of the extruder body and drives the base machine.
8. The extrusion apparatus as claimed in claim 7, further comprising a material cutting assembly disposed at a rear end of the extruder, wherein the material cutting assembly includes a rotating rod disposed at a bottom end of the circular disc, a cutter disposed on the rotating rod, and a material cutting motor for driving the rotating rod to rotate, a main gear is disposed at a head end of a rotating shaft of the material cutting motor, a driven gear engaged with the main gear is disposed at an upper end of the rotating rod, and the rotating rod does not affect the circular disc during rotation.
9. The extrusion device suitable for producing the high-strength flame-retardant PC/ABS alloy material as claimed in claim 7, wherein a discharge port of the feed hopper is provided with an electromagnetic valve;
mounting holes are symmetrically formed in the side wall of the feeding hopper, locking screws are connected to the mounting holes in a threaded mode, and column grooves are formed in the end portions of the locking screws; and a cross rod for mounting the stirrer is arranged in the column groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110981986.5A CN113667288A (en) | 2021-08-25 | 2021-08-25 | High-strength flame-retardant PC/ABS alloy material, preparation method thereof and extrusion device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110981986.5A CN113667288A (en) | 2021-08-25 | 2021-08-25 | High-strength flame-retardant PC/ABS alloy material, preparation method thereof and extrusion device |
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| CN113667288A true CN113667288A (en) | 2021-11-19 |
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| CN202110981986.5A Pending CN113667288A (en) | 2021-08-25 | 2021-08-25 | High-strength flame-retardant PC/ABS alloy material, preparation method thereof and extrusion device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004250488A (en) * | 2003-02-18 | 2004-09-09 | Toyobo Co Ltd | Preparation method for abs resin |
| CN106433067A (en) * | 2016-09-29 | 2017-02-22 | 东莞市彩隆塑胶科技有限公司 | Formula and preparation method of environment-friendly PC (polycarbonate)/ABS (acrylonitrile-butadiene-styrene) alloy material |
| CN208468794U (en) * | 2018-06-26 | 2019-02-05 | 南京欧立挤出机械有限公司 | A kind of pelletizing cutterhead group device of double screw extruder |
| CN111171541A (en) * | 2018-10-23 | 2020-05-19 | 中国石油化工股份有限公司 | Modified PC/ABS composition for 3D printing and preparation method thereof |
| CN212653851U (en) * | 2020-06-29 | 2021-03-05 | 杭州千石科技有限公司 | Plastic extruder |
| CN112546964A (en) * | 2020-11-17 | 2021-03-26 | 安徽华塑股份有限公司 | Automatic control of composite initiator adds device for PVC production |
-
2021
- 2021-08-25 CN CN202110981986.5A patent/CN113667288A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004250488A (en) * | 2003-02-18 | 2004-09-09 | Toyobo Co Ltd | Preparation method for abs resin |
| CN106433067A (en) * | 2016-09-29 | 2017-02-22 | 东莞市彩隆塑胶科技有限公司 | Formula and preparation method of environment-friendly PC (polycarbonate)/ABS (acrylonitrile-butadiene-styrene) alloy material |
| CN208468794U (en) * | 2018-06-26 | 2019-02-05 | 南京欧立挤出机械有限公司 | A kind of pelletizing cutterhead group device of double screw extruder |
| CN111171541A (en) * | 2018-10-23 | 2020-05-19 | 中国石油化工股份有限公司 | Modified PC/ABS composition for 3D printing and preparation method thereof |
| CN212653851U (en) * | 2020-06-29 | 2021-03-05 | 杭州千石科技有限公司 | Plastic extruder |
| CN112546964A (en) * | 2020-11-17 | 2021-03-26 | 安徽华塑股份有限公司 | Automatic control of composite initiator adds device for PVC production |
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