CN113583325A - Processing method of low-temperature-resistant modified plastic - Google Patents

Processing method of low-temperature-resistant modified plastic Download PDF

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Publication number
CN113583325A
CN113583325A CN202110897123.XA CN202110897123A CN113583325A CN 113583325 A CN113583325 A CN 113583325A CN 202110897123 A CN202110897123 A CN 202110897123A CN 113583325 A CN113583325 A CN 113583325A
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Prior art keywords
mixing
temperature
mixture
parts
resistant modified
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Chinese (zh)
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朱楠楠
王俊豪
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Anhui Qiangming Plastic Technology Co ltd
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Anhui Qiangming Plastic Technology Co ltd
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Priority to CN202110897123.XA priority Critical patent/CN113583325A/en
Publication of CN113583325A publication Critical patent/CN113583325A/en
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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
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions 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
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/06—Polyethene
    • 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
    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers

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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 processing method of low-temperature-resistant modified plastic, which comprises the following steps: the method comprises the following steps: 60-70 parts of polyethylene, 16-21 parts of acrylonitrile and 10-13 parts of polystyrene are selected according to the parts by weight and added into a reaction kettle, the temperature of a mixing device is raised to 40-60 ℃, 3-10 parts of compatilizer by weight is added into the mixing device, and the mixture is continuously stirred for 6-10 minutes, so that a mixture A is obtained, when the polyethylene, the acrylonitrile and the polystyrene are mixed, a certain amount of compatilizer is added, so that the mixing speed can be accelerated, meanwhile, the acrylonitrile terpolymer is added during preparation, so that the plastic has certain cold resistance, and the mixture of phenolic resin and unsaturated polyester resin is added, so that the toughness of the plastic can be enhanced, and the condition that cracks appear when the plastic product is used in a low-temperature environment can be reduced.

Description

Processing method of low-temperature-resistant modified plastic
Technical Field
The invention relates to the technical field of low-temperature-resistant modified plastics, in particular to a processing method of low-temperature-resistant modified plastics.
Background
As the use of plastics is becoming more and more widespread, so is the variety of plastic articles. The fields of application and the territory of plastics are becoming more and more widespread due to the properties exhibited by plastics themselves, such as lightness, excellent chemical stability and electrical insulation, and poor thermal conductors. The use temperature range of the plastic products used at present is narrow, and the plastic products are limited to be used in areas with large temperature difference.
Although plastics on the market at present have the characteristic of cold resistance at a certain low temperature, the plastics are not perfect in degree, and a lot of plastics are slightly deformed at the low temperature, so that the plastics are easy to crack, the product quality control is not good, and the condition that the product quality is reduced due to uneven mixing of raw materials during preparation is possibly caused.
Disclosure of Invention
The invention aims to provide a processing method of low-temperature-resistant modified plastic, which is characterized in that when polyethylene, acrylonitrile and polystyrene are mixed, a certain amount of compatilizer is added into the mixture, so that the mixing speed can be accelerated, meanwhile, acrylonitrile terpolymer is added to enable the plastic to have certain cold resistance, and the mixture of phenolic resin and unsaturated polyester resin is added, so that the condition that cracks appear when a plastic product is used in a low-temperature environment can be reduced.
The purpose of the invention can be realized by the following technical scheme:
a processing method of low-temperature-resistant modified plastic comprises the following steps:
the method comprises the following steps: selecting 60-70 parts of polyethylene, 16-21 parts of acrylonitrile and 10-13 parts of polystyrene according to the parts by weight, adding the polyethylene, the acrylonitrile and the polystyrene into a reaction kettle, raising the temperature of mixing equipment to 40-60 ℃, adding 3-10 parts of compatilizer into the mixing equipment by weight, and continuously stirring for 6-10 minutes to obtain a mixture A;
step two: simultaneously adding a cold-resistant agent, an antioxidant, a flame retardant, a toughening agent and water into the other group of reaction kettles, and mixing for 10-15 minutes at the temperature of 60 ℃ to obtain a mixture B;
step three: the mixture A and the mixture B are subjected to mixing reaction at the temperature of 60 ℃, the rotating speed of a mixing device during mixing is 400-600r/min, and after mixing is carried out for 10-20 minutes, a blend is obtained;
step four: and feeding the prepared blend into a double-screw extruder, heating to a molten state for plasticizing, extruding the melt into strip-shaped plastics by the extruder, cooling the strip-shaped plastics in a water cooling mode, and drawing the strip-shaped plastics into a granulator for cutting to obtain the low-temperature-resistant modified plastics.
As a further scheme of the invention: the proportion of the cold-resistant agent, the antioxidant, the flame retardant, the toughening agent and the water is 1.6: 1.2: 1: 3: 5.
as a further scheme of the invention: the compatilizer is one of styrene-acrylonitrile-glycidyl methacrylate copolymer and polyacrylate-allyloxy glyceride comb polymer.
As a further scheme of the invention: the cold-resistant agent is acrylonitrile terpolymer.
As a further scheme of the invention: the antioxidant is one of tris (1, 4-di-tert-butylphenyl) phosphite, bis (2, 4-di-tert-butylphenyl pentaerythritol diphosphite) and bis (octadecyl) pentaerythritol diphosphite.
As a further scheme of the invention: the flame retardant is prepared from tris (2-chloroethyl) phosphate, tris (butoxyethyl) phosphate, tris (1-chloro-2-propyl) phosphate according to a weight ratio of 1: 1.2: 2.1 in proportion.
As a further scheme of the invention: the toughening agent is a mixture of phenolic resin and unsaturated polyester resin.
As a further scheme of the invention: the processing temperature of the double-screw extruder is 180-220 ℃, and the rotating speed of the screw is 60 r/min.
As a further scheme of the invention: the mixing equipment comprises a mounting frame, wherein two lantern rings are fixedly connected to one side of the mounting frame, a mixing barrel is rotatably connected to the inner surfaces of the two lantern rings, the lantern rings and the mixing barrel are arranged in an inclined mode, a sealing cover is arranged on one side of the mixing barrel, a driving motor is fixedly connected to the other side of the mixing barrel, a rotating shaft is fixedly connected to the output end of the driving motor, one end of the rotating shaft penetrates through the mixing barrel and extends into the mixing barrel, mixing blades are fixedly connected to the outer surface of the rotating shaft, supporting rods are fixedly connected to the outer surface of the rotating shaft and located on two sides of the mixing blades, stirring plates are fixedly connected to two ends of each supporting rod, and a plurality of vibration assemblies are arranged on the inner surface of the mixing barrel;
the vibration component comprises a storage box positioned on the outer surface of the mixing barrel and a plurality of vibration plates positioned on the inner surface of the mixing barrel, a plurality of moving rods are arranged on the inner surface of the storage box, one end of each moving rod sequentially penetrates through the storage box and the mixing barrel and extends into the mixing barrel, one end of the moving rod is fixedly connected with one side of the vibrating plate, the other end of the moving rod is provided with a spring through a connecting plate, one end of the spring is fixedly connected with one side of the inner wall of the storage box, when the poking plate rotates, because one side of the poking plate is provided with the cambered surface, the poking plate can push the vibrating plate to move towards one side close to the inner wall of the mixing barrel, after the poking plate rotates the vibrating plate at the position, the vibrating plate returns to the initial state under the action of the spring, so that the vibrating plate generates vibration, and the mixing speed of raw materials in the mixing barrel is increased.
The opposite side of compounding bucket just is located one side of driving motor and runs through there is the control valve, the inside intercommunication of control valve has the discharging pipe.
The inner part of the mounting frame is provided with a rotating motor, the output end of the rotating motor is fixedly connected with a grooved pulley, the outer surface of the mixing barrel is fixedly connected with a groove ring, and the inner surface of the grooved pulley is in transmission connection with the inner surface of the groove ring through a belt.
As a further scheme of the invention: the use method of the mixing equipment comprises the following steps: at first open the sealed lid on the compounding bucket, and with the inside of mixture A and mixture B together joining compounding bucket, start driving motor and rotation motor this moment, thereby make epaxial compounding leaf of rotation and bracing piece rotate, the compounding leaf sends the raw materials of below to the top and mixes, stirring board on the bracing piece is also rotating simultaneously, stirring board can promote the vibration board and move to the one side that is close to compounding bucket inner wall, and vibrate under the effect of spring, thereby make the raw materials around the compounding bucket inner wall mix with middle raw materials, accelerate the mixing speed, and the rotation motor passes through the belt on the sheave and the transmission relation of groove ring, make the compounding bucket rotate at the internal surface of two lantern rings.
The invention has the beneficial effects that:
(1) according to the invention, when polyethylene, acrylonitrile and polystyrene are mixed, a certain amount of compatilizer is added, so that the mixing speed can be accelerated, meanwhile, acrylonitrile terpolymer is added during preparation, so that the plastic has certain cold resistance, and the toughness of the plastic can be enhanced by adding the mixture of phenolic resin and unsaturated polyester resin, so that the condition that cracks occur when the plastic product is used in a low-temperature environment can be reduced.
(2) According to the invention, when the poke rod in the mixing equipment rotates on the support rod, the vibrating plate in the vibrating assembly can vibrate, so that the raw materials around the inner wall of the mixing barrel and the raw materials in the middle are mixed, the mixing speed is accelerated, and the rotation of the mixing blades can enable the materials below to be conveyed to the upper part and to be stirred by the poke rod on the support rod, so that the mixing speed is accelerated, the production time of the plastic is reduced, and the production efficiency is improved.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a flow chart of a method for processing low temperature resistant modified plastics according to the present invention;
FIG. 2 is a schematic view of the external structure of the mixing apparatus of the present invention;
FIG. 3 is a schematic view of the internal structure of the mixing bowl of the present invention;
fig. 4 is a schematic view of the internal structure of the vibration module according to the present invention.
In the figure: 1. a mounting frame; 2. a collar; 3. a mixing barrel; 4. a sealing cover; 5. a drive motor; 6. a rotating shaft; 7. mixing leaves; 8. a support bar; 9. a poking plate; 10. a vibrating assembly; 101. a storage box; 102. a vibrating plate; 103. a travel bar; 104. a spring; 11. a control valve; 12. a discharge pipe; 13. rotating the motor; 14. a grooved wheel; 15. a groove ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention is a method for processing a low temperature resistant modified plastic, comprising the following steps:
the method comprises the following steps: selecting 60-70 parts of polyethylene, 16-21 parts of acrylonitrile and 10-13 parts of polystyrene according to the parts by weight, adding the polyethylene, the acrylonitrile and the polystyrene into a reaction kettle, raising the temperature of mixing equipment to 40-60 ℃, adding 3-10 parts of compatilizer into the mixing equipment by weight, and continuously stirring for 6-10 minutes to obtain a mixture A;
step two: simultaneously adding a cold-resistant agent, an antioxidant, a flame retardant, a toughening agent and water into the other group of reaction kettles, and mixing for 10-15 minutes at the temperature of 60 ℃ to obtain a mixture B;
step three: the mixture A and the mixture B are subjected to mixing reaction at the temperature of 60 ℃, the rotating speed of a mixing device during mixing is 400-600r/min, and after mixing is carried out for 10-20 minutes, a blend is obtained;
step four: and feeding the prepared blend into a double-screw extruder, heating to a molten state for plasticizing, extruding the melt into strip-shaped plastics by the extruder, cooling the strip-shaped plastics in a water cooling mode, and drawing the strip-shaped plastics into a granulator for cutting to obtain the low-temperature-resistant modified plastics.
In the invention, the proportion of the cold-resistant agent, the antioxidant, the flame retardant, the toughening agent and the water is 1.6: 1.2: 1: 3: 5.
in the invention, the compatilizer is one of styrene-acrylonitrile-glycidyl methacrylate copolymer and polyacrylate-allyloxy glyceride comb polymer.
In the invention, the cold-resistant agent is acrylonitrile terpolymer.
In the invention, the antioxidant is one of tris (1, 4-di-tert-butylphenyl) phosphite, bis (2, 4-di-tert-butylphenyl pentaerythritol diphosphite) and bis (octadecyl) pentaerythritol diphosphite.
In the present invention, the flame retardant is prepared from tris (2-chloroethyl) phosphate, tris (butoxyethyl) phosphate, tris (1-chloro-2-propyl) phosphate in a ratio of 1: 1.2: 2.1 in proportion.
In the invention, the toughening agent is a mixture of phenolic resin and unsaturated polyester resin.
In the invention, the processing temperature of the double-screw extruder is 180-220 ℃, and the rotating speed of the screw is 60 r/min.
According to the invention, the mixing equipment comprises a mounting frame 1, wherein one side of the mounting frame 1 is fixedly connected with two lantern rings 2, the inner surfaces of the two lantern rings 2 are rotatably connected with a mixing barrel 3, the lantern rings 2 and the mixing barrel 3 are obliquely arranged, one side of the mixing barrel 3 is provided with a sealing cover 4, the other side of the mixing barrel 3 is fixedly connected with a driving motor 5, the output end of the driving motor 5 is fixedly connected with a rotating shaft 6, one end of the rotating shaft 6 penetrates through the mixing barrel 3 and extends into the mixing barrel 3, the outer surface of the rotating shaft 6 is fixedly connected with mixing blades 7, the outer surface of the rotating shaft 6 and two sides of the mixing blades 7 are both fixedly connected with supporting rods 8, both ends of each supporting rod 8 are both fixedly connected with stirring plates 9, and the inner surface of the mixing barrel 3 is provided with a plurality of vibration components 10;
the vibration assembly 10 comprises a storage box 101 positioned on the outer surface of the mixing barrel 3 and a plurality of vibration plates 102 positioned on the inner surface of the mixing barrel 3, wherein a plurality of moving rods 103 are arranged on the inner surface of the storage box 101, one end of each moving rod 103 sequentially penetrates through the storage box 101 and the mixing barrel 3 and extends into the mixing barrel 3, one end of each moving rod 103 is fixedly connected with one side of each vibration plate 102, a spring 104 is arranged at the other end of each moving rod 103 through a connecting plate, one end of each spring 104 is fixedly connected with one side of the inner wall of the storage box 101, when the stirring plate 9 rotates, one side of the stirring plate 9 is arranged to be an arc surface, so that the stirring plate 9 pushes the vibration plates 102 to move towards one side close to the inner wall of the mixing barrel 3, and after the stirring plate 9 rotates over the vibration plates 102 at the position, the vibration plates 102 at the moment are under the action of the springs 104, so that the vibration plates 102 restore the initial state, thereby causing the vibration plate 102 to vibrate, thereby achieving a mixing speed of the raw materials inside the mixing tub 3.
And a control valve 11 penetrates through one side of the other side of the mixing barrel 3, which is positioned on the driving motor 5, and a discharge pipe 12 is communicated with the inside of the control valve 11.
The inner part of the mounting frame 1 is provided with a rotating motor 13, the output end of the rotating motor 13 is fixedly connected with a grooved pulley 14, the outer surface of the mixing barrel 3 is fixedly connected with a grooved ring 15, and the inner surface of the grooved pulley 14 is in transmission connection with the inner surface of the grooved ring 15 through a belt.
In the invention, the use method of the mixing equipment comprises the following steps: firstly, the sealing cover 4 on the mixing barrel 3 is opened, the mixture A and the mixture B are added into the mixing barrel 3 together, then the sealing cover 4 is closed, at the moment, the driving motor 5 and the rotating motor 13 are started, the direction of the driving motor 5 is opposite to the direction of the rotating motor 13, the driving motor 5 drives the rotating shaft 6 to rotate, so that the mixing blade 7 and the supporting rod 8 rotate, the lower raw material is conveyed upwards by the mixing blade 7 to be mixed with the upper raw material, meanwhile, the stirring plate 9 on the supporting rod 8 also rotates, the stirring plate 9 can push the vibrating plate 102 to move towards one side close to the inner wall of the mixing barrel 3 and vibrate under the action of the spring 104, so that the raw material around the inner wall of the mixing barrel 3 is mixed with the middle raw material, the mixing speed is accelerated, and the rotating motor 13 is in a transmission relationship with the grooved ring 15 through a belt on the grooved pulley 14, so that the mixing barrel 3 rotates on the inner surfaces of the two lantern rings 2, after the mixing is finished, the control valve 11 is clamped, and the blend is discharged from the discharge pipe 12.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.

Claims (9)

1. The processing method of the low-temperature-resistant modified plastic is characterized by comprising the following steps of:
the method comprises the following steps: selecting 60-70 parts of polyethylene, 16-21 parts of acrylonitrile and 10-13 parts of polystyrene according to the parts by weight, adding the polyethylene, the acrylonitrile and the polystyrene into a reaction kettle, raising the temperature of mixing equipment to 40-60 ℃, adding 3-10 parts of compatilizer into the mixing equipment by weight, and continuously stirring for 6-10 minutes to obtain a mixture A;
step two: simultaneously adding a cold-resistant agent, an antioxidant, a flame retardant, a toughening agent and water into the other group of reaction kettles, and mixing for 10-15 minutes at the temperature of 60 ℃ to obtain a mixture B;
step three: the mixture A and the mixture B are subjected to mixing reaction at the temperature of 60 ℃, the rotating speed of a mixing device during mixing is 400-600r/min, and after mixing is carried out for 10-20 minutes, a blend is obtained;
step four: and feeding the prepared blend into a double-screw extruder, heating to a molten state for plasticizing, extruding the melt into strip-shaped plastics by the extruder, cooling the strip-shaped plastics in a water cooling mode, and drawing the strip-shaped plastics into a granulator for cutting to obtain the low-temperature-resistant modified plastics.
2. The processing method of low temperature resistant modified plastic as claimed in claim 1, wherein the ratio of the cold resistant agent, the antioxidant, the flame retardant, the toughening agent and the water is 1.6: 1.2: 1: 3: 5.
3. the method as claimed in claim 1, wherein the compatibilizer is one of styrene-acrylonitrile-glycidyl methacrylate copolymer and polyacrylate-allyloxy glyceride comb polymer.
4. The method for processing low temperature resistant modified plastic as claimed in claim 1, wherein the cold resistant agent is acrylonitrile terpolymer.
5. The method as claimed in claim 1, wherein the antioxidant is one of tris (1, 4-di-tert-butylphenyl) phosphite, bis (2, 4-di-tert-butylphenyl pentaerythritol diphosphite) and bis (octadecyl) pentaerythritol diphosphite.
6. The method for processing low temperature resistant modified plastic according to claim 1, wherein the flame retardant is prepared from tris (2-chloroethyl) phosphate, tris (butoxyethyl) phosphate, tris (1-chloro-2-propyl) phosphate according to a ratio of 1: 1.2: 2.1 in proportion.
7. The method for processing low temperature resistant modified plastic as claimed in claim 1, wherein the toughening agent is a mixture of phenolic resin and unsaturated polyester resin.
8. The method for processing low temperature resistant modified plastic as claimed in claim 1, wherein the processing temperature of the twin-screw extruder is 180 ℃ and 220 ℃, and the rotation speed of the screw is 60 r/min.
9. The processing method of the low-temperature-resistant modified plastic as claimed in claim 1, wherein the use method of the mixing device is as follows: firstly, the sealing cover (4) on the mixing barrel (3) is opened, the mixture A and the mixture B are added into the mixing barrel (3) together, at the moment, the driving motor (5) and the rotating motor (13) are started, thereby leading the mixing blade (7) and the support rod (8) on the rotating shaft (6) to rotate, leading the raw materials below to be sent to the upper part by the mixing blade (7) for mixing, meanwhile, the poking plate (9) on the supporting rod (8) also rotates, the poking plate (9) can push the vibrating plate (102) to move to one side close to the inner wall of the mixing barrel (3) and vibrate under the action of the spring (104), thereby mixing the raw materials around the inner wall of the mixing barrel (3) with the raw materials in the middle, accelerating the mixing speed, and the rotating motor (13) is in transmission relation with the grooved ring (15) through a belt on the grooved pulley (14), so that the mixing bowl (3) rotates on the inner surface of the two collars (2).
CN202110897123.XA 2021-08-05 2021-08-05 Processing method of low-temperature-resistant modified plastic Pending CN113583325A (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5249860A (en) * 1992-01-15 1993-10-05 J-Star Industries, Inc. Material mixer
CN106750740A (en) * 2016-11-25 2017-05-31 广东国立科技股份有限公司 A kind of preparation method of low temperature resistant modified plastics

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5249860A (en) * 1992-01-15 1993-10-05 J-Star Industries, Inc. Material mixer
CN106750740A (en) * 2016-11-25 2017-05-31 广东国立科技股份有限公司 A kind of preparation method of low temperature resistant modified plastics

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
冯忠绪: "工程机械理论", vol. 1, 人民交通出版社, pages: 174 *
戴长虹等: "三维运动连续进料式混合搅拌机", 《轻工机械》, no. 02, 20 April 2011 (2011-04-20), pages 7 - 9 *
曹炳炎: "《石油化工毒物手册》", 31 May 1992, 中国劳动出版社, pages: 114 - 115 *
王文广 等: "《聚合物改性原理》", 31 March 2018, 中国轻工业出版社, pages: 47 *

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