CN116120665A - Formula, preparation method and processing device of impact-resistant polypropylene particles - Google Patents

Formula, preparation method and processing device of impact-resistant polypropylene particles Download PDF

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Publication number
CN116120665A
CN116120665A CN202211739123.8A CN202211739123A CN116120665A CN 116120665 A CN116120665 A CN 116120665A CN 202211739123 A CN202211739123 A CN 202211739123A CN 116120665 A CN116120665 A CN 116120665A
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China
Prior art keywords
fixedly connected
mixing
mixing box
support frame
polypropylene particles
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CN202211739123.8A
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Chinese (zh)
Inventor
孙桂松
陶文庆
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Jiangsu Songshang Technology Co ltd
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Jiangsu Songshang Technology Co ltd
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Priority to CN202211739123.8A priority Critical patent/CN116120665A/en
Publication of CN116120665A publication Critical patent/CN116120665A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/10Homopolymers or copolymers of propene
    • C08L23/12Polypropene
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00Mixing; Kneading
    • B29B7/002Methods
    • B29B7/005Methods for mixing in batches
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00Mixing; Kneading
    • B29B7/02Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
    • B29B7/06Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices
    • B29B7/10Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary
    • B29B7/12Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with single shaft
    • B29B7/16Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with single shaft with paddles or arms
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00Mixing; Kneading
    • B29B7/02Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
    • B29B7/22Component parts, details or accessories; Auxiliary operations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00Mixing; Kneading
    • B29B7/02Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
    • B29B7/22Component parts, details or accessories; Auxiliary operations
    • B29B7/26Component parts, details or accessories; Auxiliary operations for discharging, e.g. doors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00Making granules
    • B29B9/02Making granules by dividing preformed material
    • B29B9/06Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/62Plastics recycling; Rubber recycling

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

The invention discloses a formula, a preparation method and a processing device of shock-resistant polypropylene particles, comprising mixing equipment, wherein the mixing equipment comprises a support frame, the top of the support frame is rotationally connected with a mixing device, one side of the support frame is fixedly connected with a driving motor through a support frame, and a driving shaft of the driving motor penetrates through the support frame and is fixedly connected with the side surface of the mixing device; the mixing device comprises; the invention relates to the technical field of polypropylene particles, in particular to a mixing box, which is provided with a spherical shell structure and a feed inlet arranged on one side of the mixing box, wherein the inner wall of the feed inlet is rotationally connected with a fixed plate through a rotating bearing, and one side of the fixed plate is penetrated and fixedly connected with a feed pipe. The formula, the preparation method and the processing device of the impact-resistant polypropylene particles can avoid layering between materials with larger particles and materials with smaller particles, and are convenient to mix more uniformly.

Description

Formula, preparation method and processing device of impact-resistant polypropylene particles
Technical Field
The invention relates to the technical field of polypropylene particles, in particular to a formula, a preparation method and a processing device of impact-resistant polypropylene particles.
Background
Polypropylene, PP for short, is a white wax-like material, transparent and light in appearance, has a chemical formula of (C3H 6) n, is inflammable, has a melting point of 189 ℃ of about 155 ℃ and is softened at a temperature of-30 to 140 ℃, can resist corrosion of acid, alkali, salt solution and various organic solvents at a temperature of below 80 ℃ and can be decomposed under the high temperature and oxidation, and is a thermoplastic synthetic resin with excellent performance, namely colorless semitransparent thermoplastic light-weight general plastic, has chemical resistance, heat resistance, electrical insulation, high-strength mechanical performance, good high wear resistance processing performance and the like, and is widely applied to production of fiber products such as clothes, blankets and the like, medical instruments, automobiles, bicycles, parts, conveying pipelines, chemical containers and the like, and also is used for food and medicine packaging.
At present, polypropylene particles are inconvenient to uniformly mix during mixing due to different sizes of raw material particles in the processing and manufacturing process, so that all substances in materials obtained by mixing are unevenly distributed, and the quality of the materials is affected.
Disclosure of Invention
In order to achieve the above purpose, the invention is realized by the following technical scheme: the formula of the impact-resistant polypropylene particles comprises the following components in parts by weight: 65-95 parts of polypropylene resin, 25-45 parts of SBS thermoplastic elastomer, 3-7 parts of dispersing agent and 3.5-7.5 parts of lubricant;
the dispersing agent is one or more of triethylhexyl phosphoric acid, methyl amyl alcohol, polyacrylamide, fatty acid polyethylene glycol ester and triethanolamine, and the lubricant is one or more of paraffin wax, polypropylene wax, zinc stearate, ethylene bis stearamide, polyethylene wax, oxidized polyethylene wax and silicon dioxide.
A method for preparing impact-resistant polypropylene particles, comprising the following steps:
step one: taking 65-95 parts of polypropylene resin, 25-45 parts of SBS thermoplastic elastomer, 3-7 parts of dispersing agent and 3.5-7.5 parts of lubricant, and putting into mixing equipment for uniformly stirring and mixing;
step two: putting the mixed material obtained in the first step into an internal mixer for internal mixing at 170 ℃ for 15-21min;
step three: and (3) adding the dough obtained in the step two into a double-screw extruder through a feeder for extrusion granulation, wherein the extrusion temperature is 185 ℃, and the screw rotating speed is 95-130rpm.
The processing device of the impact-resistant polypropylene particles comprises mixing equipment, wherein the mixing equipment comprises a support frame, the top of the support frame is rotationally connected with a mixing device, one side of the support frame is fixedly connected with a driving motor through a support, and a driving shaft of the driving motor penetrates through the support frame and is fixedly connected with the side face of the mixing device;
the mixing device comprises;
the mixing box is provided with a spherical shell structure and a feed inlet arranged at one side of the mixing box, the inner wall of the feed inlet is rotationally connected with a fixed plate through a rotating bearing, one side of the fixed plate is penetrated and fixedly connected with a feed pipe, and one end of the feed pipe, which is far away from the fixed plate, is communicated with the feed box;
the lifting plate is provided with an arc-shaped structure and a leak hole arranged on the lifting plate, and one side of the lifting plate, which is close to the leak hole, is fixedly connected with the inner wall of the mixing box;
the discharge gate, this discharge gate is offered in mixing box bottom, discharge gate inner wall fixedly connected with discharging device, the material that conveniently carries out the compounding through the cooperation of mixing box and lifting plate to the inside material of mixing box stirs, avoids the level to stir and mixes, can avoid producing the layering condition between the material of great granule and the material of less granule, and the convenience makes the mixture more even.
Preferably, the mixing box is arranged on the supporting frame and is rotationally connected with the supporting frame, and one side, far away from the feed inlet, of the mixing box is fixedly connected with the driving shaft of the driving motor.
Preferably, the lifting plate is provided with the multiunit and evenly distributed is inside the mixing box, the fixed plate passes through support and support frame top fixed connection, and convenient feeding is carried out simultaneously with mixing stirring operation, conveniently improves mixing efficiency.
Preferably, the discharging device comprises a discharging nozzle, a rotating block is rotationally connected to the inner wall of the discharging nozzle, an arc-shaped stop block is fixedly connected to the side face of the rotating block, a discharging motor is fixedly connected to one side of the discharging nozzle through a support, and a driving shaft of the discharging motor penetrates through the discharging nozzle and is fixedly connected with the rotating block, so that the situation that materials inside the discharging nozzle are blocked in the discharging process can be avoided.
Preferably, the discharging nozzle is arranged in a disc shape, the top of the discharging nozzle penetrates through the mixing box and is fixedly connected with the mixing box, and the discharging nozzle is communicated with the inside of the mixing box.
Preferably, one side of the arc-shaped stop block far away from the rotating block extends to the inside of the mixing box, and the radian of the arc-shaped stop block far away from one side of the rotating block is the same as the radian of the inner wall of the discharging nozzle.
Preferably, fixed plate one side fixedly connected with strikes the device, strike the device and include the dead lever, dead lever one end fixedly connected with fixing base, the fixing base side rotates and is connected with the tup pole, the one end fixedly connected with tup that the fixing base was kept away from to the tup pole, tup pole side fixedly connected with arc spring avoids the material adhesion to lead to the unable thorough discharge's of material condition on lifting plate.
Preferably, one end of the fixed rod far away from the fixed seat is fixedly connected with the side surface of the fixed plate, the hammer head rod is provided with a plurality of groups and uniformly distributed on the side surface of the fixed seat, and one end of the arc spring far away from the hammer head rod is fixedly connected with the side surface of the fixed seat.
The invention provides a formula, a preparation method and a processing device of impact-resistant polypropylene particles. The beneficial effects are as follows:
1. this formula, preparation method and processingequipment of shock resistance polypropylene granule are provided with the compounding device, send into the inside of mixing box with the raw materials through feed bin and conveying pipe during the use, then drive the mixing box through driving motor and rotate, it rotates to drive the lifting plate when the mixing box pivoted, the lifting plate can get up the inside material lifting of mixing box, when the lifting plate rotates to the angle of downward sloping along with the mixing box, the material on it can the whereabouts, the cooperation through mixing box and lifting plate is carried out the compounding to the inside material of mixing box and is stirred, avoid the level to stir the mixture, can avoid producing the layering condition between the material of great granule and the material of less granule, the convenience makes the mixture more even.
2. The formula, the preparation method and the processing device of the shock-resistant polypropylene particles are provided with the feed inlet and the fixed plate, when the mixing box rotates, the fixed plate can be kept motionless in the feed inlet and simultaneously kept rotating relative to the mixing box, so that the mixing box can still carry out feeding operation on the inside of the mixing box through the feed box and the feed pipe on the fixed plate when rotating, the feeding and mixing stirring operation are convenient to carry out simultaneously, and the mixing efficiency is convenient to improve.
3. This formula, preparation method and processingequipment of shock resistance polypropylene granule are provided with discharging device, when not needing the ejection of compact, the ejection of compact motor drives the arc dog through the turning block and rotates to the intercommunication department of ejection of compact mouth and mixing box, blocks up ejection of compact mouth and mixing box's intercommunication department, when needs ejection of compact, the ejection of compact motor drives the arc dog through the turning block and removes from ejection of compact mouth and mixing box's intercommunication department, and the inside material of mixing box can be discharged through ejection of compact mouth at this moment, and ejection of compact motor drives the arc dog through the turning block simultaneously and continuously rotates, can avoid ejection of compact mouth inside material to take place the condition of jam at the in-process of discharge.
4. The formula, the preparation method and the processing device of the shock-resistant polypropylene particles are provided with the knocking device, when the mixing box drives the lifting plate to rotate, the lifting plate is impacted on the hammer head and extrudes the hammer head, so that the hammer head drives the hammer head rod to rotate around the fixed seat, and meanwhile, the lifting plate can vibrate through the impact of the hammer head and the lifting plate, so that materials on the lifting plate are separated from the lifting plate, and the situation that the materials cannot be thoroughly discharged due to adhesion of the materials on the lifting plate is avoided.
Drawings
FIG. 1 is a schematic flow chart of a process for preparing impact resistant polypropylene particles of the present invention;
FIG. 2 is a schematic view of the processing apparatus for impact resistant polypropylene particles of the present invention;
FIG. 3 is a schematic structural view of a mixing device according to the invention;
FIG. 4 is a schematic diagram of the internal structure of the mixing box of the invention;
FIG. 5 is a schematic view of the structure of the discharging device of the present invention;
FIG. 6 is a schematic view of the internal structure of the discharging device of the present invention;
FIG. 7 is a schematic view of the installation structure of the knocking device;
FIG. 8 is a schematic view of a knocking device according to the present invention.
In the figure: 1. a support frame; 2. a mixing device; 21. a mixing box; 22. a feed inlet; 23. a fixing plate; 24. a feed pipe; 25. a feed box; 26. a lifting plate; 27. a leak hole; 28. a discharge port; 29. a discharging device; 291. a discharge nozzle; 292. a rotating block; 293. an arc-shaped stop block; 294. a discharging motor; 20. a knocking device; 201. a fixed rod; 202. a fixing seat; 203. a hammer head rod; 204. a hammer head; 205. an arc spring; 3. and driving the motor.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one:
referring to fig. 1, the present invention provides a technical solution: the formula of the impact-resistant polypropylene particles comprises the following components in parts by weight: 65-95 parts of polypropylene resin, 25-45 parts of SBS thermoplastic elastomer, 3-7 parts of dispersing agent and 3.5-7.5 parts of lubricant;
the dispersing agent is one or more of triethylhexyl phosphoric acid, methyl amyl alcohol, polyacrylamide, fatty acid polyethylene glycol ester and triethanolamine, and the lubricant is one or more of paraffin wax, polypropylene wax, zinc stearate, ethylene bis stearamide, polyethylene wax, oxidized polyethylene wax and silicon dioxide;
a method for preparing impact-resistant polypropylene particles, comprising the following steps:
step one: taking 65-95 parts of polypropylene resin, 25-45 parts of SBS thermoplastic elastomer, 3-7 parts of dispersing agent and 3.5-7.5 parts of lubricant, and putting into mixing equipment for uniformly stirring and mixing;
step two: putting the mixed material obtained in the first step into an internal mixer for internal mixing at 170 ℃ for 15-21min;
step three: and (3) adding the dough obtained in the step two into a double-screw extruder through a feeder for extrusion granulation, wherein the extrusion temperature is 185 ℃, and the screw rotating speed is 95-130rpm.
Embodiment two:
referring to fig. 1-4, the present invention provides a technical solution based on the first embodiment: the processing device of the impact-resistant polypropylene particles comprises mixing equipment, wherein the mixing equipment comprises a support frame 1, the top of the support frame 1 is rotationally connected with a mixing device 2, one side of the support frame 1 is fixedly connected with a driving motor 3 through a support, and a driving shaft of the driving motor 3 penetrates through the support frame 1 and is fixedly connected with the side face of the mixing device 2;
the mixing device 2 comprises;
the mixing box 21 is provided with a spherical shell-shaped structure, a feed inlet 22 is formed in one side of the mixing box 21, a fixed plate 23 is rotatably connected to the inner wall of the feed inlet 22 through a rotating bearing, a feed pipe 24 is penetrated and fixedly connected to one side of the fixed plate 23, and one end, far away from the fixed plate 23, of the feed pipe 24 is communicated with a feed box 25;
the lifting plate 26 is provided with an arc-shaped structure, and a drain hole 27 is formed in the lifting plate 26, and one side, close to the drain hole 27, of the lifting plate 26 is fixedly connected with the inner wall of the mixing box 21;
the discharge gate 28, this discharge gate 28 is offered in mixing box 21 bottom, and discharge gate 28 inner wall fixedly connected with discharging device 29.
The mixing box 21 is arranged on the support frame 1 and is rotationally connected with the support frame 1, and one side, far away from the feed inlet 22, of the mixing box 21 is fixedly connected with a driving shaft of the driving motor 3.
The lifting plates 26 are provided with a plurality of groups and are uniformly distributed in the mixing box 21, and the fixing plate 23 is fixedly connected with the top of the supporting frame 1 through a bracket.
Be provided with compounding device 2, send into inside the mixing box 21 with the raw materials through feed bin 25 and conveying pipe 24 during the use, then drive mixing box 21 through driving motor 3 and rotate, it is rotatory to drive lifting plate 26 in the mixing box 21 pivoted, lifting plate 26 can get up the inside material lifting of mixing box 21, when lifting plate 26 rotates to the angle of downward sloping along with mixing box 21, the material on it can the landing, the material of conveniently carrying out the compounding through the cooperation of mixing box 21 and lifting plate 26 stirs the inside material of mixing box 21, avoid the horizontal stirring to mix, can avoid producing the layering condition between the material of great granule and the material of less granule, the convenience makes the mixture more even, be provided with feed inlet 22 and fixed plate 23, when mixing box 21 rotates, fixed plate 23 can keep motionless in feed inlet 22 inside, keep relative rotation simultaneously with mixing box 21, consequently, mixing box 21 is when rotating, still can carry out the feed operation to mixing box 21 inside through feed bin 25 and conveying pipe 24 on the fixed plate 23, the convenience is carried out with the mixing stirring operation simultaneously, the convenience improves mixing efficiency.
Embodiment III:
referring to fig. 1-6, the present invention provides a technical solution based on the first embodiment and the second embodiment: the discharging device 29 includes the discharging mouth 291, discharging mouth 291 inner wall rotation is connected with the rotating block 292, rotating block 292 side fixedly connected with arc dog 293, discharging mouth 291 one side is through support fixedly connected with discharging motor 294, discharging mouth 291 and with rotating block 292 fixed connection are run through to the drive shaft of discharging motor 294, discharging mouth 291 sets up to discoid, discharging mouth 291 top runs through mixing box 21 and with mixing box 21 fixed connection, discharging mouth 291 and inside intercommunication of mixing box 21, one side that rotating block 292 was kept away from to arc dog 293 extends to mixing box 21 inside, arc dog 293 kept away from radian of rotating block 292 one side is the same with the radian of discharging mouth 291 inner wall, be provided with discharging device 29, when not needing the ejection of compact, discharging motor 294 drives arc dog 293 through rotating block 292 and rotates to the intercommunication department of discharging mouth 291 and mixing box 21, with discharging mouth 291 and the intercommunication department of mixing box 21, when needing the ejection of compact, discharging motor 294 drives arc dog 293 from the intercommunication department of mixing box 21 through rotating block 292, the inside material that can be discharged through discharging mouth 291, simultaneously discharging mouth 291 drives the inside through rotating block 293 and takes place the continuous arc dog that the inside of mixing box 21 when needing the ejection of compact.
Embodiment four:
referring to fig. 1 to 8, the present invention provides a technical solution based on the first embodiment, the second embodiment and the third embodiment: the fixed plate 23 one side fixedly connected with strikes device 20, strike device 20 includes dead lever 201, dead lever 201 one end fixedly connected with fixing base 202, fixing base 202 side rotates and is connected with tup pole 203, the one end fixedly connected with tup 204 that fixing base 202 was kept away from to tup pole 203, tup pole 203 side fixedly connected with arc spring 205, the one end that fixing base 202 was kept away from to dead lever 201 and fixing plate 23 side fixedly connected with, tup pole 203 is provided with multiunit and evenly distributed in fixing base 202 side, the one end that arc spring 205 kept away from tup pole 203 and fixing base 202 side fixedly connected with, be provided with and strike device 20, when mixing box 21 drives lift plate 26 and rotates, lifting plate 26 strikes on tup 204, and squeeze tup 204, make tup 204 drive tup pole 203 around fixing base 202 rotation, simultaneously through the striking of tup 204 and lifting plate 26, can make lifting plate 26 produce the vibration, thereby make the material on the lifting plate 26 break away from with lifting plate 26, avoid the material adhesion to lead to the condition that the material can't thoroughly be discharged on lifting plate 26.
It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present invention without the inventive step, are intended to be within the scope of the present invention. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.

Claims (10)

1. A formulation of impact resistant polypropylene particles characterized by: comprises the following components in parts by weight: 65-95 parts of polypropylene resin, 25-45 parts of SBS thermoplastic elastomer, 3-7 parts of dispersing agent and 3.5-7.5 parts of lubricant;
the dispersing agent is one or more of triethylhexyl phosphoric acid, methyl amyl alcohol, polyacrylamide, fatty acid polyethylene glycol ester and triethanolamine, and the lubricant is one or more of paraffin wax, polypropylene wax, zinc stearate, ethylene bis stearamide, polyethylene wax, oxidized polyethylene wax and silicon dioxide.
2. A preparation method of impact-resistant polypropylene particles is characterized in that: the method comprises the following steps:
step one: taking 65-95 parts of polypropylene resin, 25-45 parts of SBS thermoplastic elastomer, 3-7 parts of dispersing agent and 3.5-7.5 parts of lubricant, and putting into mixing equipment for uniformly stirring and mixing;
step two: putting the mixed material obtained in the first step into an internal mixer for internal mixing at 170 ℃ for 15-21min;
step three: and (3) adding the dough obtained in the step two into a double-screw extruder through a feeder for extrusion granulation, wherein the extrusion temperature is 185 ℃, and the screw rotating speed is 95-130rpm.
3. The utility model provides a processingequipment of polypropylene granule shocks resistance, includes compounding equipment, its characterized in that: the mixing equipment comprises a support frame (1), the top of the support frame (1) is rotationally connected with a mixing device (2), one side of the support frame (1) is fixedly connected with a driving motor (3) through a support, and a driving shaft of the driving motor (3) penetrates through the support frame (1) and is fixedly connected with the side face of the mixing device (2);
the mixing device (2) comprises;
the mixing box (21) is provided with a spherical shell structure and a feed inlet (22) formed in one side of the mixing box (21), a fixed plate (23) is rotatably connected to the inner wall of the feed inlet (22) through a rotating bearing, a feed pipe (24) is penetrated through and fixedly connected to one side of the fixed plate (23), and one end, far away from the fixed plate (23), of the feed pipe (24) is communicated with a feed box (25);
the lifting plate (26) is provided with an arc-shaped structure and a drain hole (27) arranged on the lifting plate (26), and one side, close to the drain hole (27), of the lifting plate (26) is fixedly connected with the inner wall of the mixing box (21);
the discharge port (28), this discharge port (28) is offered in mixing box (21) bottom, discharge port (28) inner wall fixedly connected with discharging device (29).
4. A processing device for impact resistant polypropylene particles as defined in claim 3, wherein: the mixing box (21) is arranged on the support frame (1) and is rotationally connected with the support frame (1), and one side, far away from the feed inlet (22), of the mixing box (21) is fixedly connected with a driving shaft of the driving motor (3).
5. A processing device for impact resistant polypropylene particles as defined in claim 3, wherein: the lifting plates (26) are provided with a plurality of groups and are uniformly distributed in the mixing box (21), and the fixing plates (23) are fixedly connected with the top of the supporting frame (1) through brackets.
6. A processing device for impact resistant polypropylene particles as defined in claim 3, wherein: the discharging device (29) comprises a discharging nozzle (291), a rotating block (292) is rotatably connected to the inner wall of the discharging nozzle (291), an arc-shaped stop block (293) is fixedly connected to the side face of the rotating block (292), a discharging motor (294) is fixedly connected to one side of the discharging nozzle (291) through a support, and a driving shaft of the discharging motor (294) penetrates through the discharging nozzle (291) and is fixedly connected with the rotating block (292).
7. The processing device for impact resistant polypropylene particles according to claim 6, wherein: the discharging nozzle (291) is arranged into a disc shape, the top of the discharging nozzle (291) penetrates through the mixing box (21) and is fixedly connected with the mixing box (21), and the discharging nozzle (291) is communicated with the inside of the mixing box (21).
8. The processing device for impact resistant polypropylene particles according to claim 6, wherein: one side of the arc-shaped stop block (293) far away from the rotating block (292) extends into the mixing box (21), and the radian of one side of the arc-shaped stop block (293) far away from the rotating block (292) is the same as the radian of the inner wall of the discharging nozzle (291).
9. A processing device for impact resistant polypropylene particles as defined in claim 3, wherein: one side of the fixed plate (23) is fixedly connected with a knocking device (20), the knocking device (20) comprises a fixed rod (201), one end of the fixed rod (201) is fixedly connected with a fixed seat (202), the side of the fixed seat (202) is rotationally connected with a hammer head rod (203), one end, far away from the fixed seat (202), of the hammer head rod (203) is fixedly connected with a hammer head (204), and the side of the hammer head rod (203) is fixedly connected with an arc-shaped spring (205).
10. The processing device for impact-resistant polypropylene particles according to claim 9, wherein:
one end of the fixed rod (201) far away from the fixed seat (202) is fixedly connected with the side surface of the fixed plate (23), a plurality of groups of hammer head rods (203) are arranged on the side surface of the fixed seat (202) and uniformly distributed, and one end of the arc-shaped spring (205) far away from the hammer head rods (203) is fixedly connected with the side surface of the fixed seat (202).
CN202211739123.8A 2022-12-31 2022-12-31 Formula, preparation method and processing device of impact-resistant polypropylene particles Pending CN116120665A (en)

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CN202211739123.8A CN116120665A (en) 2022-12-31 2022-12-31 Formula, preparation method and processing device of impact-resistant polypropylene particles

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CN202211739123.8A CN116120665A (en) 2022-12-31 2022-12-31 Formula, preparation method and processing device of impact-resistant polypropylene particles

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0123771A1 (en) * 1983-04-27 1984-11-07 EREMA Engineering Recycling Maschinen und Anlagen Gesellschaft m.b.H. Apparatus for compounding plastic material
CN111013454A (en) * 2019-12-09 2020-04-17 安徽亿昊新材料科技有限公司 Compounding device is used in macromolecular material processing
CN112409683A (en) * 2020-10-10 2021-02-26 江苏弗斯特塑胶有限公司 Impact-resistant polypropylene particles and preparation method thereof
CN114102891A (en) * 2021-11-19 2022-03-01 安徽永昌新材料有限公司 Preparation device and preparation method for dimer fatty acid modified polyester resin
CN115351919A (en) * 2022-08-30 2022-11-18 安徽康美绿筑新材料产业园有限公司 Raw material mixing device is used in processing of ALC board

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0123771A1 (en) * 1983-04-27 1984-11-07 EREMA Engineering Recycling Maschinen und Anlagen Gesellschaft m.b.H. Apparatus for compounding plastic material
CN111013454A (en) * 2019-12-09 2020-04-17 安徽亿昊新材料科技有限公司 Compounding device is used in macromolecular material processing
CN112409683A (en) * 2020-10-10 2021-02-26 江苏弗斯特塑胶有限公司 Impact-resistant polypropylene particles and preparation method thereof
CN114102891A (en) * 2021-11-19 2022-03-01 安徽永昌新材料有限公司 Preparation device and preparation method for dimer fatty acid modified polyester resin
CN115351919A (en) * 2022-08-30 2022-11-18 安徽康美绿筑新材料产业园有限公司 Raw material mixing device is used in processing of ALC board

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