WO2023058647A1 - Procédé de production pour composition de résine thermoplastique - Google Patents

Procédé de production pour composition de résine thermoplastique Download PDF

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Publication number
WO2023058647A1
WO2023058647A1 PCT/JP2022/037104 JP2022037104W WO2023058647A1 WO 2023058647 A1 WO2023058647 A1 WO 2023058647A1 JP 2022037104 W JP2022037104 W JP 2022037104W WO 2023058647 A1 WO2023058647 A1 WO 2023058647A1
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WIPO (PCT)
Prior art keywords
thermoplastic resin
kneading
screw
resin composition
fibrous filler
Prior art date
Application number
PCT/JP2022/037104
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English (en)
Japanese (ja)
Inventor
翔太 ▲高▼木
理恵子 松山
一史 鈴木
Original Assignee
ポリプラスチックス株式会社
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Application filed by ポリプラスチックス株式会社 filed Critical ポリプラスチックス株式会社
Priority to CN202280067050.4A priority Critical patent/CN118103187A/zh
Priority to JP2023522915A priority patent/JP7361240B2/ja
Publication of WO2023058647A1 publication Critical patent/WO2023058647A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
    • 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
    • B29B9/12—Making granules characterised by structure or composition
    • B29B9/14—Making granules characterised by structure or composition fibre-reinforced
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/55—Screws having reverse-feeding elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/59—Screws characterised by details of the thread, i.e. the shape of a single thread of the material-feeding screw
    • B29C48/605—Screws characterised by details of the thread, i.e. the shape of a single thread of the material-feeding screw the thread being discontinuous

Definitions

  • the present invention relates to a method for producing a thermoplastic resin composition containing a fibrous filler.
  • thermoplastic resin composition containing a dispersed fibrous filler such as glass fiber
  • a dispersed fibrous filler such as glass fiber
  • Fibrous fillers are usually made by applying a surface treatment agent, a sizing agent, etc. to fibers that will be the filler, converging them, and then cutting them into several mm lengths to form bundles (also called chopped strands). It is put into a twin-screw extruder in a state.
  • the bundles of the fibrous filler are defibrated, so that the fibrous filler is dispersed in the thermoplastic resin.
  • a fibrous filler that exists in an unfibrillated state may have adverse effects such as clogging of nozzles during injection molding and reduced strength when formed into a molded article. Therefore, it is desirable that the bundle of fibrous fillers be sufficiently defibrated.
  • thermoplastic resin compositions in a discharge range that could not be produced in the past, and the production volume (productivity) of thermoplastic resin compositions per unit time has increased. ing.
  • the discharge rate of the melt-kneaded material from the twin-screw extruder that is, the production amount of the thermoplastic resin composition per unit time is increased without considering the screw design, the entire bundle of the fibrous filler will not defibrate. The necessary stress is not applied all over and some of the fibrous filler remains unfibrillated.
  • Patent Document 1 a high-torque twin-screw extruder is used to extrude at a high discharge rate, and as a screw used in the kneading process of the twin-screw extruder, a flight portion having an arc-shaped notch is formed. A screw having one or more back-feeding screw elements with a thread is used.
  • a high-torque twin-screw extruder is used to increase the discharge rate to reduce the amount of unfibrillated fibrous filler, while suppressing the decomposition of the resin. Although the effect has been confirmed, it is still insufficient and there is room for improvement.
  • the present invention has been made in view of the above conventional problems, and its object is to reduce the amount of unfibrillated fibrous filler in a thermoplastic resin composition containing a fibrous filler, and to reduce the decomposition of the resin. It is an object of the present invention to provide a method for producing a thermoplastic resin composition capable of suppressing the
  • thermoplastic resin composition comprising a step of supplying a bundle of a thermoplastic resin and a fibrous filler to a twin-screw extruder having a pair of screws and melt-kneading them, The melt-kneading step is performed in a kneading zone of the twin-screw extruder, and each of the pair of screws in the kneading zone has a single flight portion having at least one notch.
  • a thermoplastic having a feed screw element and two or more forward screw elements, wherein the reverse feed screw element and the forward feed screw element are alternately arranged along the axial direction of the screw in a state of being adjacent to each other.
  • thermoplastic resin composition according to (1) above, wherein the thermoplastic resin is a polybutylene terephthalate resin.
  • thermoplastic resin and the fibrous filler bundle before the step of melt-kneading the thermoplastic resin and the fibrous filler bundle
  • the thermoplastic resin and the thermoplastic resin are mixed using a pair of screws equipped with a kneading disk having a length of 0.05D to 0.5D so that the length is 0.5D to 5.0D.
  • the method for producing a thermoplastic resin composition according to any one of the above (1) to (4), wherein the bundle of fibrous filler is melt-kneaded.
  • thermoplastic resin composition that can reduce the unfibrillated fibrous filler in a thermoplastic resin composition containing a fibrous filler and suppress the decomposition of the resin. can provide.
  • FIG. 1 is a conceptual diagram showing the configuration of a twin-screw extruder used in the method for producing a thermoplastic resin composition of the present embodiment
  • FIG. It is a perspective view showing (a) a forward feed screw element and (b) a single reverse feed screw element having a flight portion in which a notch is formed.
  • FIG. 4 is a conceptual diagram showing an arrangement mode of a forward screw element and a single backward screw element having a flight portion with a cutout.
  • FIG. 2 is a conceptual diagram showing the arrangement of a forward screw element and a single reverse screw element having a flight portion with a notch in Examples and Comparative Examples.
  • the method for producing a thermoplastic resin composition of the present embodiment includes a step of supplying a bundle of a thermoplastic resin and a fibrous filler to a twin-screw extruder having a pair of screws and melt-kneading them.
  • the melt-kneading step is a step of kneading the molten thermoplastic resin and the bundle of fibrous filler, and is performed in the kneading zone of the twin-screw extruder. It has two or more reverse feed screw elements (hereinafter also referred to as "reverse feed screw elements" for short) provided with a flight portion having one notch, and two or more forward feed screw elements.
  • the reverse feed screw elements and the forward feed screw elements are alternately arranged along the axial direction of the screw while being adjacent to each other.
  • each of the pair of screws in the kneading zone of the twin-screw extruder has a progressive screw element and a single flight portion in which at least one notch is formed.
  • the reverse feed screw elements are alternately arranged along the axial direction of the screw in an adjacent manner.
  • the reverse feed screw element has a single flight portion in which at least one notch is formed, when the bundle of fibrous filler in the resin composition travels through the notch, Stress is applied to the bundle of fibrous filler, and defibration proceeds. Therefore, in the kneading zone of the twin-screw extruder according to the present embodiment, the bundles of the fibrous filler can be sufficiently defibrated, and the unfibrillated fibrous filler can be reduced. Moreover, since the bundle of the fibrous filler can be sufficiently defibrated without increasing the rotation speed of the screw more than necessary, decomposition of the resin due to shear heat generation caused by an increase in the rotation speed of the screw can be prevented. can be done.
  • a twin-screw extruder is used to melt-knead the thermoplastic resin and the bundle of the fibrous filler.
  • the twin-screw extruder for example, one having the configuration shown in FIG. 1 can be mentioned.
  • a twin-screw extruder 10 shown in FIG. A die part 24 having a discharge die for discharging the melt-kneaded resin composition is provided.
  • Granular thermoplastic resin introduced into the first supply port 14 is transported as a solid to the plasticizing zone 16 and melted. There are no restrictions on the element configuration of the plasticization zone 16 provided that most of the thermoplastic resin is expected to melt.
  • the distance between the tip of one kneading disk and the inner wall of the barrel is 0.4 mm.
  • a set of kneading disc elements can be combined into a plasticizing zone.
  • the second supply port 18 has, for example, a side feeder screw, from which bundles of fibrous filler can be supplied to the twin-screw extruder 10 .
  • the pre-kneading zone 20 is located upstream of the kneading zone 22 and is an optional zone for pre-kneading a composition containing a thermoplastic resin and bundles of fibrous filler.
  • Preliminary kneading is carried out in the kneading zone 22 by positively contacting the molten or unmelted thermoplastic resin with the fibrous filler bundle before kneading the molten resin and the fibrous filler bundle. (wetting). Details will be described later.
  • the kneading zone 22 is located on the downstream side of the pre-kneading zone 20 and is a zone for melt-kneading the pre-kneaded composition containing a bundle of thermoplastic resin and fibrous filler.
  • D means the inner diameter of the barrel.
  • the length of the screw element is indicated as 0.5D, it means that the length is the axial length of the screw and is 0.5 times the inner diameter of the barrel.
  • This embodiment is characterized by the configuration of the screws in the kneading zone 22, and the pair of screws in the kneading zone includes two or more reverse feed screw elements each having a single flight portion in which at least one notch is formed. , and two or more progressive screw elements.
  • the reverse screw elements and the forward screw elements are alternately arranged along the axial direction of the screw while being adjacent to each other.
  • the flow of the molten resin composition is disturbed, and the fibrillation progresses as the bundles of the fibrous filler travel back and forth through the notches of the flight portions of the reverse feeding screw elements. . Therefore, the bundle of fibrous fillers can be sufficiently defibrated.
  • Each screw element is explained below.
  • the progressive screw element functions to convey the molten resin composition downstream.
  • the shape of the progressive screw element is not particularly limited as long as it has such a function. For example, as shown in FIG. is mentioned.
  • the number of threads of the progressive screw element is preferably 1 to 2 threads. Further, the length of the progressive screw element is more preferably 0.2D to 5D.
  • a reverse feed screw element is a screw element having a single flight portion with at least one notch formed therein.
  • the shape of the notch formed in the flight portion of the reverse feed screw element may be circular, U-shaped, V-shaped, rectangular, etc. Among them, circular arc-shaped and U-shaped are preferred.
  • the radius (curvature radius) of the arc is preferably 0.05D to 0.15D, more preferably 0.06D, from the viewpoint of sufficiently defibrating the bundle of fibrous fillers. More preferably ⁇ 0.12D.
  • the number of notches in the reverse feed screw element is preferably 7 to 20, more preferably 9 to 16, from the viewpoint of sufficiently defibrating the bundle of fibrous filler.
  • the length of the reverse feed screw element is preferably 0.2D to 3.5D, more preferably 0.2D to 2.0D.
  • the forward screw elements and the reverse screw elements are alternately arranged adjacent to each other, an example of which is shown in FIG.
  • the arrows in FIG. 3 indicate the directions in which the molten resin composition flows.
  • the backward screw element 40 , the forward screw element 42 , the backward screw element 40 , the forward screw element 42 , and the backward screw element 40 are arranged in order from the upstream side of the flow of the molten resin composition. They are arranged adjacent to each other.
  • the length of the left and central reverse feed screw elements 40 is 1.0D
  • the length of the right reverse feed screw element 40 is 0.5D
  • the length of the forward feed screw element 42 is 0.5D. It is 5D.
  • FIG. 3(b) there is a configuration in which a plurality of screw elements each having a length of 0.5D are alternately arranged, and this configuration is shown in FIG. 3(b).
  • the backward screw element 40, the forward screw element 42, the backward screw element 40, the forward screw element 42, and the backward screw element 40 are shown in order from the upstream side of the flow of the molten resin composition. They are arranged adjacent to each other. Also, the lengths of the backward screw element 40 and the forward screw element 42 are both 0.5D.
  • the total number of such combinations in the kneading zone is preferably 2 to 10, more preferably 2 to 5.
  • one of the screw element and the reverse feed screw element may be arranged for the combination of the screw element and the reverse feed screw element. In that case, since the most downstream position is the position where the flow is most disturbed, it is preferable to arrange the backfeed screw element at that position.
  • the value obtained by dividing the discharge amount Q of the twin-screw extruder by the screw rotation speed Ns (Q/Ns) is further divided by the cube of the screw center distance (Q/Ns density) is 0. It is preferably 0.013 to 0.023 kg/h ⁇ rpm ⁇ cm 3 . This will be explained below.
  • Q/Ns is an operating condition parameter that affects defibration of bundles of fibrous fillers. The larger the Q/Ns, the smaller the specific energy given to the thermoplastic resin composition, so that the operation can be performed while suppressing the deterioration of the resin, but the bundles of the fibrous filler tend to be undisentangled.
  • the upper limit of Q/Ns is determined not only by the viscosity of the kneaded material and the degree of fibrillation of bundles of fibrous filler, but also by the screw design, the motor performance of the twin-screw extruder, and the meshing ratio of the screws.
  • the influence of the specific energy indicated by Q/Ns on the kneaded material depends on the size of the twin-screw extruder.
  • the amount of kneaded material in the twin-screw extruder is proportional to the effective volume in the twin-screw extruder for the same screw mesh ratio.
  • the effective volume is the spatial volume that can be filled with material in the twin-screw extruder, and this effective volume is proportional to the cube of the center-to-center distance between adjacent screws. Then, if the value obtained by dividing Q/Ns by the cube of the distance between adjacent screws is defined as the Q/Ns density, even if the size of the twin-screw extruder changes, the specific energy for a unit amount of kneaded material The influence can be compared with the Q/Ns density.
  • the Q/Ns density is 0.013 to 0.023 kg/h ⁇ rpm ⁇ cm 3 , and 0.015 to 0.021 kg/h ⁇ rpm ⁇ cm. 3 is more preferable, and 0.017 to 0.020 kg/h ⁇ rpm ⁇ cm 3 is even more preferable.
  • thermoplastic resin and the bundle of the fibrous filler before the step of melt-kneading the bundle of the thermoplastic resin and the fibrous filler.
  • a pre-kneading zone upstream of the kneading zone.
  • the thermoplastic resin and the fibrous material are kneaded using a pair of screws equipped with a kneading disk having a length of 0.05D to 0.5D so as to have a length of 0.5D to 5.0D.
  • melt-knead the bundle of fillers it is preferable to melt-knead the bundle of fillers.
  • the molten or unmelted thermoplastic resin and the fibrous filler are mixed before kneading the bundle of the molten resin and the fibrous filler in the kneading zone.
  • the melt-kneading of the molten resin and the bundle of fibrous filler in the kneading zone can proceed more effectively.
  • the thickness of the kneading disc used in the preliminary kneading zone is preferably 0.05D to 0.5D, more preferably 0.1D to 0.3D.
  • the thickness of the kneading disc is 0.05D to 0.5D, the strength and durability are sufficient, and the bundle of the thermoplastic resin in a molten or unmelted state and the fibrous filler are actively mixed. can be brought into contact (wet). Also, the load on the screw is small.
  • the length of the pre-kneading zone is preferably 0.5D to 5.0D, more preferably 1.0D to 4.0D.
  • the length of the pre-kneading zone is 0.5D to 5.0D, the wettability is sufficient, the length of the screw is not excessively long, and other zones are easily secured.
  • the shape of the kneading disc used in the preliminary kneading zone is not particularly limited, and may be any of a kneading disc, a shoulder cut kneading disc, and an eccentric kneading disc.
  • thermoplastic resin composition of the present embodiment Each component used in the method for producing the thermoplastic resin composition of the present embodiment will be described below.
  • thermoplastic resin In this embodiment, general-purpose plastics and engineering plastics can be used as thermoplastic resins, and crystalline thermoplastic resins and amorphous thermoplastic resins are preferably used.
  • Crystalline thermoplastic resins include polyacetal resin (POM), polybutylene terephthalate resin (PBT), polyarylene sulfide resin (PAS) such as polyphenylene sulfide resin (PPS), liquid crystalline polymer (LCP), and polyethylene terephthalate resin (PET). , polypropylene (PP), polyamide resin (PA), and the like.
  • examples of the fibrous filler include bundled bodies obtained by bundling a plurality of fibers such as glass fibers and carbon fibers.
  • a bundle of glass fibers (hereinafter also referred to as a "glass fiber bundle”) is a chopped strand in which hundreds to thousands of glass fibers (monofilaments) are bundled.
  • the diameter of the glass fiber is preferably in the range of 5-20 ⁇ m, more preferably 6-18 ⁇ m.
  • the length of the glass fiber is preferably 7-16 mm, more preferably 8-14 mm.
  • thermoplastic resins such as lubricants, release agents, antistatic agents, surfactants, fluorescent whitening agents, flame retardants, or organic polymers
  • lubricants such as lubricants, release agents, antistatic agents, surfactants, fluorescent whitening agents, flame retardants, or organic polymers
  • organic polymers One or more of inorganic or organic fibrous, powdery, plate-like fillers and the like can be added.
  • Examples 1 to 6, Comparative Examples 1 to 3 In each of the examples and comparative examples, a twin-screw extruder configured as shown in FIG. 1 was used to melt-knead 100 parts by mass of a polybutylene terephthalate resin and 43 parts by mass of a bundle of fibrous fillers under the following extrusion conditions. to obtain a resin composition in the form of pellets.
  • the polybutylene terephthalate resin was supplied from the first supply port 14
  • the bundled fibrous filler was supplied from the second supply port 18 . Details of each component used are as follows.
  • the reverse screw element 40 is a reverse screw element having a single flight portion in which 13 arc-shaped notches are formed (see FIG. 2(b)), and the forward screw element 42 is a two-row forward screw element. transport element (see FIG. 2(a)).
  • the length of the left and central reverse feed screw elements 40 is 1.0D
  • the length of the right reverse feed screw element 40 is 0.5D
  • the length of the forward feed screw element 42 is 0.5D. It is 5D.
  • three reverse feed screw elements 40 are arranged adjacent to each other.
  • the left and middle backfeed screw elements 40 have a length of 1.0D and the right backfeed screw elements 40 have a length of 0.5D.
  • three reverse feed screw elements 40 and two forward feed screw elements each having a flight portion in which 13 arc-shaped notches are formed. 44 are arranged alternately.
  • the forward screw element 44 differs from the reverse screw element 40 in that it is forward or reverse, but is otherwise the same.
  • the length of the left and central reverse screw elements 40 is 1.0D
  • the length of the right reverse screw element 40 is 0.5D
  • the length of the forward screw element 44 is 1.0D. 0D.
  • pre-kneading was performed in the pre-kneading zone of the twin-screw extruder under condition 1 or 2 below.
  • Condition 1 Two pairs of progressive kneading elements of 0.5D (0.1D ⁇ 5 elements, shift angle of 45°) with a gap of 0.4 mm at the tip of one side were used to make the length of 1.0D.
  • Condition 2 Four sets of 0.5D (0.1D x 5 elements, shift angle of 45°) progressive kneading elements with a gap of 0.4 mm at the tip on one side were used to give a length of 2.0D.
  • Examples 1 to 6 have a smaller number of unfibrillated glass fibers than Comparative Examples 1 to 3. That is, it was shown that unfibrillated glass fibers can be reduced by arranging the screw elements in the kneading zone as shown in FIG. 4(a).
  • Example 1 in which no preliminary kneading was performed
  • Examples 2 and 3 in which the same treatment as in Example 1 was performed except that preliminary kneading was performed, it was found that preliminarily kneading resulted in undisentangled fibers. It can be seen that the amount of glass fiber can be further reduced.
  • Example 6 the Q/Ns density was as low as 0.010 kg/h ⁇ rpm ⁇ cm 3 , and the number of unfibrillated glass fibers was not confirmed. However, it is considered that the resin temperature became 300° C. or higher and shear heat generation occurred.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

La présente invention concerne un procédé de production d'une composition de résine thermoplastique comprenant une étape de fusion et de malaxage d'une résine thermoplastique et d'un corps en faisceau de charges fibreuses en les alimentant à un extrudeuse double vis ayant une paire de vis. L'étape de fusion et de malaxage est réalisée dans une zone de malaxage de l'extrudeuse double vis. Chacune de la paire de vis disposées dans la zone de malaxage présente : deux ou plusieurs éléments de vis à rétro-alimentation qui sont chacune munis d'une bande de vol unique ayant au moins une encoche formée à l'intérieur ; et deux ou plusieurs éléments de vis à alimentation vers l'avant. Les éléments de vis à rétro-alimentation et les éléments de vis à alimentation vers l'avant sont disposés de manière alternée afin d'être adjacents l'un à l'autre dans le sens axial de la vis.
PCT/JP2022/037104 2021-10-06 2022-10-04 Procédé de production pour composition de résine thermoplastique WO2023058647A1 (fr)

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CN202280067050.4A CN118103187A (zh) 2021-10-06 2022-10-04 热塑性树脂组合物的制造方法
JP2023522915A JP7361240B2 (ja) 2021-10-06 2022-10-04 熱可塑性樹脂組成物の製造方法

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5017469A (fr) * 1973-06-18 1975-02-24
JP2006035677A (ja) * 2004-07-28 2006-02-09 Polyplastics Co 液晶性樹脂組成物の製造方法
WO2006123824A1 (fr) * 2005-05-18 2006-11-23 Polyplastics Co., Ltd. Procede de production d’une composition de resine contenant une concentration elevee en charge fibreuse et pastille de composition de resine
JP2012213997A (ja) * 2011-04-01 2012-11-08 Polyplastics Co ガラス繊維強化熱可塑性樹脂組成物ペレットの製造方法
CN103978662A (zh) * 2014-05-09 2014-08-13 天津翰克科技有限公司 一种塑料挤出机双螺杆结构
JP2020040356A (ja) * 2018-09-13 2020-03-19 三菱エンジニアリングプラスチックス株式会社 樹脂ペレットの製造方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5632235B2 (ja) * 2010-08-27 2014-11-26 ポリプラスチックス株式会社 ガラス繊維強化熱可塑性樹脂組成物ペレットの製造方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5017469A (fr) * 1973-06-18 1975-02-24
JP2006035677A (ja) * 2004-07-28 2006-02-09 Polyplastics Co 液晶性樹脂組成物の製造方法
WO2006123824A1 (fr) * 2005-05-18 2006-11-23 Polyplastics Co., Ltd. Procede de production d’une composition de resine contenant une concentration elevee en charge fibreuse et pastille de composition de resine
JP2012213997A (ja) * 2011-04-01 2012-11-08 Polyplastics Co ガラス繊維強化熱可塑性樹脂組成物ペレットの製造方法
CN103978662A (zh) * 2014-05-09 2014-08-13 天津翰克科技有限公司 一种塑料挤出机双螺杆结构
JP2020040356A (ja) * 2018-09-13 2020-03-19 三菱エンジニアリングプラスチックス株式会社 樹脂ペレットの製造方法

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