CN105216263A - Preparation equipment and method of polypropylene composite material - Google Patents
Preparation equipment and method of polypropylene composite material Download PDFInfo
- Publication number
- CN105216263A CN105216263A CN201510760767.9A CN201510760767A CN105216263A CN 105216263 A CN105216263 A CN 105216263A CN 201510760767 A CN201510760767 A CN 201510760767A CN 105216263 A CN105216263 A CN 105216263A
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- Prior art keywords
- storage bin
- extruder
- metering feed
- feed device
- raw material
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- 238000002360 preparation method Methods 0.000 title claims abstract description 35
- 239000002131 composite material Substances 0.000 title claims abstract description 32
- -1 polypropylene Polymers 0.000 title claims abstract description 9
- 239000004743 Polypropylene Substances 0.000 title abstract description 37
- 238000000034 method Methods 0.000 title abstract description 13
- 229920001155 polypropylene Polymers 0.000 title abstract description 6
- 238000003860 storage Methods 0.000 claims abstract description 72
- 239000002994 raw material Substances 0.000 claims abstract description 44
- 239000000463 material Substances 0.000 claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- 239000003963 antioxidant agent Substances 0.000 claims description 17
- 230000003078 antioxidant effect Effects 0.000 claims description 17
- 239000000314 lubricant Substances 0.000 claims description 17
- 239000011347 resin Substances 0.000 claims description 17
- 229920005989 resin Polymers 0.000 claims description 17
- 239000000945 filler Substances 0.000 claims description 14
- 238000004806 packaging method and process Methods 0.000 claims description 8
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 235000021355 Stearic acid Nutrition 0.000 claims description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 3
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 3
- 239000011256 inorganic filler Substances 0.000 claims description 3
- 229910003475 inorganic filler Inorganic materials 0.000 claims description 3
- 238000005461 lubrication Methods 0.000 claims description 3
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 3
- 229910052618 mica group Inorganic materials 0.000 claims description 3
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 3
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 3
- 150000003014 phosphoric acid esters Chemical class 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 239000008117 stearic acid Substances 0.000 claims description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 3
- 239000000843 powder Substances 0.000 abstract description 12
- 238000005204 segregation Methods 0.000 abstract description 8
- 238000003912 environmental pollution Methods 0.000 abstract description 4
- 239000000203 mixture Substances 0.000 description 10
- 239000000428 dust Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003913 materials processing Methods 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 239000012764 mineral filler Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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
- B29C48/25—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
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/286—Raw material dosing
-
- 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
- B29C2948/9298—Start-up, shut-down or parameter setting phase; Emergency shut-down; Material change; Test or laboratory equipment or studies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The application discloses preparation equipment and a method of a polypropylene composite material, wherein the preparation equipment comprises the following steps: the vacuum material suction devices correspond to various raw materials one by one, and each vacuum material suction device comprises a vacuum material suction pipe capable of extending into a raw material package; the metering feeding device can meter and control the feeding amount; the extruder is provided with a storage bin, and the discharge port of the storage bin of each metering feeding device is hermetically connected with the storage bin of the extruder so that the metering feeding devices can discharge raw materials into the storage bin of the extruder; and the control device is used for controlling the vacuum suction device, the metering feeding device and the extruder. With the arrangement, the preparation equipment for the polypropylene composite material provided by the invention can avoid the problem of environmental pollution caused by production of the polypropylene composite material and the problem of easy segregation of powder.
Description
Technical field
The present invention relates to materials processing technology field, particularly relate to a kind of Preparation equipment and method of PP composite material.
Background technology
Polypropylene is the one in five common large general-purpose plastics, because its raw material sources is extensive, cheap, is easy to processing, has now become the fastest-rising plastic cement variety of raw material of nearest use amount.By fill in polypropylene inorganic nonmetal mineral fillers can significantly improve polyacrylic stretching, bending, impact and the performance such as dimensional stability, therefore, PP composite material is widely used in the fields such as automobile, building, electrical equipment.
In prior art, the production of PP composite material adopts high mixer and double screw extruder usually, inorganic mineral powder and acrylic resin and function additive are added after high mixer carries out premix, put into double screw extruder feed bin, extrude through double screw extruder, tie rod, cooling, pelletizing, packaging.Because equipment sealing is poor in traditional handicraft, material particularly inorganic mineral powder can produce a large amount of powder through premix, transhipment, has had a strong impact on production environment and operative employee's physical and mental health.
In addition, in mixing and extruder feeding procedure, because composition kind is many, complex process, the unequal reason of resin-oatmeal volume density granularity, powder is easily brought together and emanates, and causes the material property of preparation uneven, and impact uses.
Therefore, how to avoid the problem of producing the environmental pollution that PP composite material causes in prior art, and easily there is the problem of segregation in powder, becomes those skilled in the art's important technological problems to be solved.
Summary of the invention
The invention provides a kind of Preparation equipment of PP composite material, it can avoid the problem of producing the environmental pollution that PP composite material causes, and the problem of segregation easily occurs powder.Present invention also offers a kind of preparation method of PP composite material.
The Preparation equipment of a kind of PP composite material provided by the invention, comprising:
Multiple vacuum intaking device, vacuum intaking device described in each and various raw material one_to_one corresponding, and vacuum intaking device described in each includes the vacuum intake pipe that can stretch in raw material packaging;
Can measure and control the metering feed device of feeding capacity, comprise the storage bin arranged with described vacuum intaking device one_to_one corresponding, the storage bin of described metering feed device is connected with the outlet of described vacuum intaking device is airtight, is drawn in the storage bin of described metering feed device to enable described vacuum intaking device by raw material;
Have the extruder of storage bin, the discharge gate of the storage bin of metering feed device described in each is all connected with the storage bin of described extruder is airtight, drains in the storage bin of described extruder to enable described metering feed device by raw material;
For controlling the control device of described vacuum intaking device, described metering feed device and described extruder, when raw material in any one storage bin of described metering feed device is less than preset value, described control device controls corresponding described vacuum intaking device and starts suction; If described extruder is in closed condition, described control device controls described metering feed device and cuts out, if described extruder is in closed condition, described control device controls described metering feed device and cuts out.
The preparation method of a kind of PP composite material provided by the invention, based on Preparation equipment as above, comprises step:
Adopt vacuum intaking device by PP resin, antioxidant, lubricant, compatilizer and filler, be drawn onto respectively in the storage bin of metering feed device;
Each raw material is delivered in the storage bin of extruder according to the default blanking velocity of each raw material by metering feed device;
By extruder, raw material is extruded and tie rod and cooling.
Preferably, the default blanking velocity of each raw material described is: PP resin 82kg/ hour, antioxidant 0.5kg/ hour, lubricant 1.5kg/ hour, compatilizer 1kg/ hour, filler 15kg/ hour.
Preferably, when the material in any one storage bin of metering feed device is lower than the first preset weight, the vacuum intaking device corresponding with this storage bin starts automatically; When material in any one storage bin of metering feed device is higher than the second preset weight, the vacuum intaking device corresponding with this storage bin is closed automatically.
Preferably, described first preset weight is 10kg, and described second preset weight is 50kg.
Preferably, before described extruder is opened, described control device controls described metering feed device and cannot start; After described extruder cuts out, described control device controls described metering feed device and automatically cuts out.
Preferably, described PP resin is the PP hybrid resin of single resin or two kinds and above different mechanical properties; Described antioxidant is the interworking of one or more in sulfuric acid ester antioxidant or phosphoric acid ester antioxidant; Described lubricant is one or more of stearic acid lubricant or the waxy lubricant with lubrication; Described filler is that inorganic filler is as single or mixed fillers such as calcium carbonate, talcum powder, micas; Described compatilizer is have the maleic anhydride or other polyesters compatilizers that improve interface.
Preferably, in production process, extruder temperature is set as 160 ~ 210 DEG C, and extruder rotating speed is 250RPM ~ 380RPM.
The Preparation equipment of a kind of PP composite material provided by the invention, by each vacuum intaking device, the raw material corresponding with it is drawn in the storage bin of metering feed device, metering feed device can control the load of its each storage bin, and then the proportioning of the storage bin that can control to be discharged to extruder each raw material interior, control device can control vacuum intaking device, metering feed device and extruder, when raw material in any one storage bin of metering feed device is less than preset value, control device controls corresponding vacuum intaking device and starts suction; If extruder is in closed condition, control device controls metering feed device and cuts out, if extruder is in closed condition, control device controls metering feed device and cuts out.Setting like this, Preparation equipment provided by the invention, powder adopts vacuum intaking device, directly suck from packaging bag in the storage bin of metering feed device, avoid flying away in air in mix dust polluting, and, completely closed in whole reinforced process, avoid dust leak harm environment and operating personnel healthy.By metering feed device, arrange in the storage bin of the component of different proportion metering feeding extruder, ensure that composite composition is stable, prevent " segregation " phenomenon, properties of product are uniform and stable, and whole auto-processes degree is high, greatly save artificial.
Present invention also offers a kind of preparation method of PP composite material, based on above-mentioned Preparation equipment, comprise step:
Adopt vacuum intaking device by PP resin, antioxidant, lubricant, compatilizer and filler, be drawn onto respectively in the storage bin of metering feed device;
Each raw material is delivered in the storage bin of extruder according to the default blanking velocity of each raw material by metering feed device;
By extruder, raw material is extruded and tie rod and cooling.
Equally, adopt preparation method provided by the invention, each material powder adopts vacuum intaking device, directly sucks from packaging bag in the storage bin of metering feed device, avoids flying away in air in mix dust polluting.By metering feed device, arrange in the storage bin of the component of different proportion metering feeding extruder, ensure that composite composition is stable, prevent " segregation " phenomenon, properties of product are uniform and stable, and whole auto-processes degree is high, greatly save artificial.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 is the Preparation equipment schematic diagram of PP composite material in the specific embodiment of the invention;
In Fig. 1:
Storage bin-14 of vacuum intaking device-11, metering feed device-12, extruder-13, metering feed device, storage bin-15 of extruder.
Detailed description of the invention
This detailed description of the invention provides a kind of Preparation equipment of PP composite material, and it can avoid the problem of producing the environmental pollution that PP composite material causes, and the problem of segregation easily occurs powder.This detailed description of the invention additionally provides a kind of preparation method of PP composite material.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Please refer to Fig. 1, the Preparation equipment of the PP composite material that this detailed description of the invention provides, comprise multiple vacuum intaking device 11, metering feed device 12, extruder 13 and control device (not shown).
Wherein, each vacuum intaking device 11 and various raw material one_to_one corresponding, and each vacuum intaking device 11 includes the vacuum intake pipe that can stretch in raw material packaging.
Metering feed device 12 can measure and control feeding capacity, metering feed device 12 comprises the storage bin arranged with vacuum intaking device 11 one_to_one corresponding, the storage bin 14 of metering feed device is connected with the outlet of vacuum intaking device 11 is airtight, raw material can be drawn in the storage bin 14 of metering feed device to make vacuum intaking device 11.
Extruder 13 has storage bin, and the discharge gate of the storage bin 14 of each metering feed device is all connected with the storage bin 15 of extruder is airtight, raw material can be drained in the storage bin 15 of extruder to make metering feed device 12.
Control device is for controlling vacuum intaking device 11, metering feed device 12 and extruder 13, and when the raw material in any one storage bin of metering feed device 12 is less than preset value, control device controls corresponding vacuum intaking device 11 and starts suction; If extruder 13 is in closed condition, control device controls metering feed device 12 and cuts out, if extruder 13 is in closed condition, control device controls metering feed device 12 and cuts out.
Adopt the Preparation equipment that this detailed description of the invention provides, when preparing PP composite material, the course of work is as described below: first, by each vacuum intaking device 11, the raw material corresponding with it is drawn in the storage bin 14 of metering feed device, because metering feed device 12 can control the load of its each storage bin, and then the proportioning of storage bin 15 each raw material interior being discharged to extruder can be controlled, control device can control vacuum intaking device 11, metering feed device 12 and extruder 13, when raw material in any one storage bin of metering feed device 12 is less than preset value, control device controls corresponding vacuum intaking device 11 and starts suction, if extruder 13 is in closed condition, control device controls metering feed device 12 and cuts out, if extruder 13 is in closed condition, control device controls metering feed device 12 and cuts out.
Setting like this, the Preparation equipment that this detailed description of the invention provides, powder adopts vacuum intaking device 11, directly suck in the storage bin 14 of metering feed device from packaging bag, avoid flying away in air in mix dust polluting, and, completely closed in whole reinforced process, avoid dust leak harm environment and operating personnel healthy.By metering feed device 12, arrange in the storage bin 15 of the component of different proportion metering feeding extruder, ensure that composite composition is stable, prevent " segregation " phenomenon, properties of product are uniform and stable, and whole auto-processes degree is high, greatly save artificial.
This detailed description of the invention additionally provides a kind of preparation method of PP composite material, based on the Preparation equipment as above described in detailed description of the invention, comprises step:
Adopt vacuum intaking device 11 by PP resin, antioxidant, lubricant, compatilizer and filler, be drawn onto in the storage bin 14 of metering feed device respectively;
Each raw material is delivered in the storage bin 15 of extruder according to the default blanking velocity of each raw material by metering feed device 12;
By extruder 13, raw material is extruded and tie rod and cooling.
Equally, adopt the preparation method that this detailed description of the invention provides, each material powder adopts vacuum intaking device 11, directly sucks from packaging bag in the storage bin 14 of metering feed device, avoids flying away in air in mix dust polluting.By metering feed device 12, arrange in the storage bin 15 of the component of different proportion metering feeding extruder, ensure that composite composition is stable, prevent " segregation " phenomenon, properties of product are uniform and stable, and whole auto-processes degree is high, greatly save artificial.
In the preferred version of this detailed description of the invention, the speed that each metering feed device 12 carries out feeding in the storage bin 15 of extruder is PP resin 82kg/ hour, antioxidant 0.5kg/ hour, lubricant 1.5kg/ hour, compatilizer 1kg/ hour, filler 15kg/ hour, so, the pulp furnish formed in the storage bin 15 of extruder is, PP resin: 82%, antioxidant: 0.5%, lubricant: 1.5%, compatilizer: 1%, filler: 15%.So, the PP composite material of formation extruded by the raw material of this proportioning by extruder 13, has properties equilibrium and the high advantage of loading.
In addition, in order to the raw material weight in metering feed device 12 can be controlled, when material in any one storage bin of metering feed device 12 is lower than the first preset weight, the vacuum intaking device 11 corresponding with this storage bin starts automatically, to prevent the raw material in storage bin very few, and occur to extruder 13 problem under feeding; When material in any one storage bin of metering feed device 12 is higher than the second preset weight, the vacuum intaking device 11 corresponding with this storage bin is closed automatically, to avoid the too much problem of overflowing or causing the carrying of storage bin excessive of the raw material in storage bin.
Above-mentioned first preset weight and the second preset weight specifically can set according to actual conditions, and such as, the first preset weight can be 10kg, and the second preset weight can be 50kg.
In another preferred version of this detailed description of the invention, by metering feed device 12 and the chain control of extruder 13, before extruder 13 is opened, metering feed device 12 cannot start; After extruder 13 cuts out, metering feed device 12 is closed automatically, in case material is piled up in the storage bin 15 of extruder, impact is produced.
In order to improve the performance of the PP composite material produced further, PP resin in material composition is the PP hybrid resin of single resin or two kinds and above different mechanical properties, antioxidant is the interworking of one or more in sulfuric acid ester antioxidant or phosphoric acid ester antioxidant, lubricant is one or more of stearic acid lubricant or the waxy lubricant with lubrication, filler be inorganic filler as single or mixed fillers such as calcium carbonate, talcum powder, micas, compatilizer is have the maleic anhydride or other polyesters compatilizers that improve interface.So by this kind of mixed material, extruder 13 temperature is set as 160 ~ 210 DEG C in process of production, and extruder 13 rotating speed is under the condition of 250RPM ~ 380RPM, and the composite property produced can obtain the lifting of significant effective.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (8)
1. a Preparation equipment for PP composite material, is characterized in that, comprising:
Multiple vacuum intaking device (11), vacuum intaking device described in each (11) and various raw material one_to_one corresponding, and vacuum intaking device described in each (11) includes the vacuum intake pipe that can stretch in raw material packaging;
Can measure and control the metering feed device (12) of feeding capacity, comprise the storage bin arranged with described vacuum intaking device one_to_one corresponding, the storage bin (14) of described metering feed device is connected with the outlet of described vacuum intaking device (11) is airtight, raw material can be drawn in the storage bin (14) of described metering feed device to make described vacuum intaking device (11);
There is the extruder (13) of storage bin, the discharge gate of the storage bin (14) of metering feed device described in each is all connected with the storage bin (15) of described extruder is airtight, raw material can be drained in the storage bin (15) of described extruder to make described metering feed device (12);
For controlling the control device of described vacuum intaking device (11), described metering feed device (12) and described extruder (13), when raw material in any one storage bin of described metering feed device (12) is less than preset value, described control device controls corresponding described vacuum intaking device (11) and starts suction; If described extruder (13) is in closed condition, described control device controls described metering feed device (12) and cuts out, if described extruder (13) is in closed condition, described control device controls described metering feed device (12) and cuts out.
2. a preparation method for PP composite material, is characterized in that, based on Preparation equipment as claimed in claim 1, comprises step:
Adopt vacuum intaking device by PP resin, antioxidant, lubricant, compatilizer and filler, be drawn onto respectively in the storage bin of metering feed device;
Each raw material is delivered in the storage bin of extruder according to the default blanking velocity of each raw material by metering feed device;
By extruder, raw material is extruded and tie rod and cooling.
3. preparation method as claimed in claim 2, it is characterized in that, the default blanking velocity of each raw material described is: PP resin 82kg/ hour, antioxidant 0.5kg/ hour, lubricant 1.5kg/ hour, compatilizer 1kg/ hour, filler 15kg/ hour.
4. preparation method as claimed in claim 2, it is characterized in that, when the material in any one storage bin of metering feed device is lower than the first preset weight, the vacuum intaking device corresponding with this storage bin starts automatically; When material in any one storage bin of metering feed device is higher than the second preset weight, the vacuum intaking device corresponding with this storage bin is closed automatically.
5. preparation method as claimed in claim 4, it is characterized in that, described first preset weight is 10kg, and described second preset weight is 50kg.
6. preparation method as claimed in claim 2, is characterized in that, before described extruder is opened, described control device controls described metering feed device and cannot start; After described extruder cuts out, described control device controls described metering feed device and automatically cuts out.
7. the preparation method as described in any one of claim 2-6, is characterized in that, described PP resin is the PP hybrid resin of single resin or two kinds and above different mechanical properties; Described antioxidant is the interworking of one or more in sulfuric acid ester antioxidant or phosphoric acid ester antioxidant; Described lubricant is one or more of stearic acid lubricant or the waxy lubricant with lubrication; Described filler is that inorganic filler is as single or mixed fillers such as calcium carbonate, talcum powder, micas; Described compatilizer is have the maleic anhydride or other polyesters compatilizers that improve interface.
8. preparation method as claimed in claim 7, it is characterized in that, in production process, extruder temperature is set as 160 ~ 210 DEG C, and extruder rotating speed is 250RPM ~ 380RPM.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510760767.9A CN105216263A (en) | 2015-11-09 | 2015-11-09 | Preparation equipment and method of polypropylene composite material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510760767.9A CN105216263A (en) | 2015-11-09 | 2015-11-09 | Preparation equipment and method of polypropylene composite material |
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| CN105216263A true CN105216263A (en) | 2016-01-06 |
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| CN108394037A (en) * | 2018-03-27 | 2018-08-14 | 昆山禾振瑞新复合材料有限公司 | A kind of preparation method of low VOC modified polypropylene materials |
| CN113001941A (en) * | 2021-02-04 | 2021-06-22 | 舟山德玛吉实业有限公司 | Double-screw extruder and feeding method thereof |
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Application publication date: 20160106 |