A color master pellet extrusion system

Abstract

The present application relates to a kind of color master particle extrusion systems, it includes basic extrusion part, material narrowing extrusion part, longitudinal material extrusion part and transverse extrusion part, the basic extrusion part includes extrusion barrel and extrusion rod, the extrusion rod is provided with helical extrusion piece, the extrusion barrel has extrusion barrel discharge port, color master material is placed in the basic extrusion part, by the rotation of the extrusion rod and by the rotation of the helical extrusion piece, the color master material in the extrusion barrel is gradually extruded from back to front into the material narrowing extrusion part through the extrusion barrel discharge port, the color master material in the material narrowing extrusion part is gradually extruded into the longitudinal material extrusion part, the color master material in the longitudinal material extrusion part is batched into the transverse extrusion part by downward movement, the color master material in the transverse extrusion part is batched after being extruded from the transverse extrusion part, and color master particle is obtained.

Description

TECHNICAL FIELD

[0001] The present application relates to an extrusion system, in particular to an extrusion system used for extruding color master granules in the process of producing color master granules. BACKGROUND

[0002] As is known, the full name of color master is color master granule, also called color species, which is a new type of special colorant for high polymer materials, also called pigment preparation. Color master is mainly used in plastics. Color master is composed of three basic elements of pigment or dye, carrier and additive, which is a super-constant pigment uniformly attached to the resin to produce an aggregate, which can be called pigment concentrate, so its tinting strength is higher than that of the pigment itself. When processing, a small amount of color master and uncolored resin is mixed, which can achieve the design of pigment concentration of colored resin or product.

[0003] Color master granules have many advantages. First, the pigment has better dispersibility in the product. In the production process of color master, the pigment must be refined to improve the dispersibility and tinting strength of the pigment. The carrier of special color master is the same as the plastic variety of the product, which has good matching property, and the pigment particles can be well dispersed in the product plastic after heating and melting. Second, it is beneficial to maintain the chemical stability of the pigment. Direct use of pigment will cause water absorption and oxidation of the pigment during storage and use, while the quality of the pigment can be maintained for a long time after the color master is made, because the resin carrier separates the pigment from air and water. Third, it ensures the stability of the color of the product. Color master granules are similar to resin particles, which are more convenient and accurate in metering, do not stick to the container during mixing, and are more uniform when mixed with resin, so the stability of the added amount can be ensured, thereby ensuring the stability of the color of the product. Finally, it can protect the health of the operator. Pigment is generally powdery and can be easily scattered during addition and mixing, which will affect the health of the operator if inhaled by the human body. It can keep the environment clean and is easy to use.

[0004] As shown in Figure 1 The existing technology produces color master granules by feeding the mixed material into the extrusion equipment through the feeding hopper, starting the motor to drive the power shaft 1 to rotate in the extrusion cylinder 2, using the spiral protrusions 3 to perform extrusion action on the material, and finally extruding the material along the screen holes on the screen plate 4 to obtain finished color master granules.

[0005] In summary, the existing technology produces color master granules by simple screw extrusion, which generally has many shortcomings such as uneven particle density, non-compact internal structure of the particles, and poor particle quality. SUMMARY

[0006] The technical scheme adopted by the present application is: a color master particle extrusion system, which comprises a basic extrusion part, a material narrowing extrusion part, a longitudinal material extrusion part and a transverse extrusion part, the material narrowing extrusion part is connected with the basic extrusion part, the longitudinal material extrusion part is connected between the material narrowing extrusion part and the transverse extrusion part, the basic extrusion part comprises an extrusion cylinder and an extrusion rod, the extrusion rod is arranged in the extrusion cylinder, the extrusion rod is provided with a spiral extrusion piece, the extrusion cylinder has an extrusion cylinder discharge port, color master material is placed in the basic extrusion part, the color master material in the extrusion cylinder is gradually extruded into the material narrowing extrusion part from back to front through the extrusion cylinder discharge port by the rotation of the extrusion rod and the rotation of the spiral extrusion piece, the color master material in the material narrowing extrusion part is gradually extruded into the longitudinal material extrusion part, the color master material in the longitudinal material extrusion part is batched and extruded into the transverse extrusion part by downward movement, and the color master material in the transverse extrusion part is batched and extruded out of the transverse extrusion part to obtain color master particles.

[0007] The beneficial effects of the present application are: firstly, in the present application, the color master material can be subjected to a first compacting action by the material narrowing extrusion part, then, the color master material can be subjected to a second compacting action by the longitudinal material extrusion part, finally, the color master material can be subjected to a third compacting action by the transverse extrusion part, and ultimately color master particles are obtained, the color master material is subjected to compacting action multiple times in the overall production process, which can improve the material density of the color master particle product, improve the internal structure tightness of the color master particle product, and significantly improve the quality of the color master particle product. BRIEF DESCRIPTION OF DRAWINGS

[0008] Figure 1 It is a schematic diagram of the prior art.

[0009] Figure 2 It is a structural schematic diagram of the present application.

[0010] Figure 3 It is a schematic diagram of the present application for the first compacting action.

[0011] Figure 4 It is a schematic diagram of the present application for the second compacting action.

[0012] Figure 5 It is a schematic diagram of the present application for the third compacting action.

[0013] Figure 6 It is a sectional structure schematic diagram of the present application.

[0014] Figure 7 It is a schematic diagram of the principle of the central controller of the present application. DETAILED DESCRIPTION

[0015] As Figures 2 to 7 shown, a color master particle extrusion system includes a base extrusion part 10, a material receiving and narrowing extrusion part 20, a longitudinal material extrusion part 30 and a transverse extrusion part 40, the material receiving and narrowing extrusion part 20 is connected with the base extrusion part 10, the longitudinal material extrusion part 30 is connected between the material receiving and narrowing extrusion part 20 and the transverse extrusion part 40, the base extrusion part 10 includes an extrusion barrel 11 and an extrusion rod 12, the extrusion rod 12 is arranged in the extrusion barrel 11, the extrusion rod 12 is provided with a spiral extrusion piece 13, the extrusion barrel 11 has an extrusion barrel discharge port 14, the base extrusion part 10 belongs to the prior art and will not be repeated here.

[0016] As Figures 3 to 5 shown, in operation, the color master material A is placed into the base extrusion part 10, the color master material A in the extrusion barrel 11 is gradually extruded from back to front through the extrusion barrel discharge port 14 into the material receiving and narrowing extrusion part 20 by the rotation of the extrusion rod 12 and the rotation of the spiral extrusion piece 13, the color master material A in the material receiving and narrowing extrusion part 20 is gradually extruded into the longitudinal material extrusion part 30, the color master material A in the longitudinal material extrusion part 30 is batched and extruded downward into the transverse extrusion part 40, and the color master material A in the transverse extrusion part 40 is batched and extruded out of the transverse extrusion part 40 to obtain the color master particle B.

[0017] As Figure 6 shown, the material receiving and narrowing extrusion part 20 has a material receiving cavity 21 and a material receiving and narrowing extrusion cavity 22, wherein the material receiving cavity 21 is connected with the extrusion barrel discharge port 14 of the base extrusion part 10, and the material receiving and narrowing extrusion cavity 22 is connected with the material receiving cavity 21, the color master material A in the base extrusion part 10 first enters the material receiving cavity 21 through the extrusion barrel discharge port 14, and then is extruded into the material receiving and narrowing extrusion cavity 22, the cross-sectional area of the material receiving and narrowing extrusion cavity 22 is smaller than that of the extrusion barrel discharge port 14, and the color master material A can be subjected to a first compacting and tamping action by the material receiving and narrowing extrusion part 20.

[0018] The longitudinal material extrusion part 30 comprises a longitudinal extrusion cylinder 31 and a pressing piston 32, wherein the longitudinal extrusion cylinder 31 has a material inlet 311, a material outlet 312 and an extrusion cylinder cavity 313, the material inlet 311 and the material outlet 312 are communicated with the extrusion cylinder cavity 313 respectively, the material collection and extrusion cavity 22 of the material collection and extrusion part 20 is communicated with the material inlet 311, the pressing piston 32 is arranged in the extrusion cylinder cavity 313, the cross-sectional area of the extrusion cylinder cavity 313 is smaller than that of the material collection and extrusion cavity 22, the color masterbatch A in the material collection and extrusion cavity 22 gradually enters the extrusion cylinder cavity 313 transversely, and the color masterbatch A in the extrusion cylinder cavity 313 is pressed into the transverse extrusion part 40 in batches through the pressing piston 32, and the color masterbatch A can be subjected to a second compacting and tamping action through the longitudinal material extrusion part 30.

[0019] In a specific implementation, the material collection and extrusion cavity 22 of the material collection and extrusion part 20 is a horizontal cavity, the extrusion cylinder cavity 313 is perpendicular to and communicated with the material collection and extrusion cavity 22, the extrusion cylinder cavity 313 is arranged in a vertical state, and the color masterbatch A can move from top to bottom in the extrusion cylinder cavity 313 by means of its own gravity.

[0020] The transverse extrusion part 40 comprises a transverse extrusion cylinder 41, a transverse piston 42 and an embedded sieve plate 43, wherein the transverse extrusion cylinder 41 has a material outlet 411, an extrusion material outlet 412 and a transverse cylinder cavity 413, the material outlet 411 and the extrusion material outlet 412 are communicated with the transverse cylinder cavity 413 respectively, the material outlet 312 of the longitudinal material extrusion part 30 is communicated with the material outlet 411, the transverse piston 42 is arranged in the transverse cylinder cavity 413, and the embedded sieve plate 43 is embedded in the extrusion material outlet 412, the color masterbatch A in the transverse cylinder cavity 413 is pressed transversely in batches through the transverse piston 42 and is pressed out through the embedded sieve plate 43, and the color masterbatch A can be subjected to a third compacting and tamping action through the transverse extrusion part 40.

[0021] In summary, the design idea of the present application is that the color masterbatch A can be subjected to a first compacting and tamping action through the material collection and extrusion part 20, a second compacting and tamping action through the longitudinal material extrusion part 30, and a third compacting and tamping action through the transverse extrusion part 40, and finally the color masterbatch particles B are obtained, the color masterbatch A is subjected to multiple compacting and tamping actions in the whole production process, the material density of the color masterbatch particle product is improved, the internal structure tightness of the color masterbatch particle product is improved, and the quality of the color masterbatch particle product is significantly improved.

[0022] As Figure 3 shown in the specific implementation, the material narrowing extrusion part 20 is provided with an oil additive pipe 60, which is in communication with the material narrowing extrusion cavity 22. When the color master batch A is extruded into the material narrowing extrusion cavity 22, the oil additive C flows into the material narrowing extrusion cavity 22 through the oil additive pipe 60. The oil additive C and the color master batch A are mixed in the material narrowing extrusion cavity 22 through the first compaction action, mixed in the longitudinal material extrusion part 30 through the second compaction action, and mixed in the transverse extrusion part 40 through the third compaction action. Through the first, second, and third compaction actions, the oil additive C and the color master batch A are fully mixed.

[0023] In practice, the oil additive C is an oil additive that can enhance the properties of the color master batch particles B. The specific composition is selected according to different types of color master batch particles B, such as an oil additive that can enhance the surface gloss of the color master batch particles, an oil additive that can enhance the internal adhesion of the color master batch particles, or a mixed oil additive of multiple oil additives.

[0024] As Figure 2 shown in the specific implementation, the transverse extrusion part 40 is fixedly arranged on the assembly platform 70 to buffer the downward pressure of the longitudinal material extrusion part 30 and improve the structural strength of the overall system.

[0025] As Figure 5 shown in the specific implementation, the transverse piston 42 has an inclined piston pressing surface 421, and the included angle 422 between the inclined piston pressing surface 421 and the inner side surface 431 of the embedded sieve plate 43 is less than or equal to thirty degrees. The arrangement of the inclined piston pressing surface 421 enables the color master batch A to be more evenly extruded from the embedded sieve plate 43.

[0026] In the specific implementation, the base extrusion part 10, the material narrowing extrusion part 20, the longitudinal material extrusion part 30, and the transverse extrusion part 40 are all circular tubes. The base extrusion part 10 and the material narrowing extrusion part 20 have the same central axis, and the base extrusion part 10 is parallel to the transverse extrusion part 40, so that the system structure is compact.

[0027] In the implementation, the extrusion rod 12 is driven by the extrusion rod driver 81, the downward pressing piston 32 is driven by the downward pressing driver 82, and the transverse moving piston 42 is driven by the transverse moving driver 83. In practice, the extrusion rod driver 81 can be a driving motor, the downward pressing driver 82 can be a hydraulic cylinder or a pneumatic cylinder, and the transverse moving driver 83 can be a hydraulic cylinder or a pneumatic cylinder.

[0028] The extrusion rod driver 81, the downward pressing driver 82, and the transverse moving driver 83 are connected to the central controller 80, which controls the working modes of the extrusion rod driver 81, the downward pressing driver 82, and the transverse moving driver 83. The working modes are as follows.

[0029] Step A: The central controller 80 controls the extrusion rod driver 81 to act, and the extrusion rod driver 81 drives the extrusion rod 12 to rotate, so that a specific amount of the color masterbatch material A is extruded from the base extrusion part 10 into the longitudinal material extrusion part 30 through the material narrowing extrusion part 20.

[0030] Step B: The central controller 80 controls the downward pressing driver 82 to act, and the downward pressing driver 82 drives the downward pressing piston 32 to press down, so that the color masterbatch material A in the longitudinal material extrusion part 30 is extruded into the transverse extrusion part 40.

[0031] Step C: The central controller 80 controls the downward pressing driver 82 to act, and the downward pressing driver 82 drives the downward pressing piston 32 to move upward to the initial state. The central controller 80 controls the transverse moving driver 83 to act, and the transverse moving driver 83 drives the transverse moving piston 42 to move transversely, so that the color masterbatch material A in the transverse extrusion part 40 is extruded out of the transverse extrusion part 40 to obtain color masterbatch particles B. The above steps are repeated.

[0032] A color masterbatch particle extrusion method, which comprises the following steps.

[0033] First step: The central controller 80 controls the extrusion rod driver 81 of the base extrusion part 10 to act, and the extrusion rod driver 81 drives the extrusion rod 12 to rotate, so that a specific amount of the color masterbatch material A is extruded from the base extrusion part 10 into the longitudinal material extrusion part 30 through the material narrowing extrusion part 20.

[0034] Second step: The central controller 80 controls the downward pressing driver 82 of the longitudinal material extrusion part 30 to act, and the downward pressing driver 82 drives the downward pressing piston 32 to press down, so that the color masterbatch material A in the longitudinal material extrusion part 30 is extruded into the transverse extrusion part 40.

[0035] Third step, the central controller 80 controls the lower pressing driver 82 to act, the lower pressing driver 82 drives the lower pressing piston 32 to move upward to the initial state.

[0036] The central controller 80 controls the transverse moving driver 83 to act, the transverse moving driver 83 drives the transverse moving piston 42 to move transversely, the color masterbatch material A in the transverse extrusion part 40 is extruded out of the transverse extrusion part 40 to obtain color masterbatch particles B, and the cycle is repeated.

[0037] In practice, the extrusion rod driver 81 can be a driving motor, the lower pressing driver 82 can be a hydraulic cylinder or a pneumatic cylinder, and the transverse moving driver 83 can be a hydraulic cylinder or a pneumatic cylinder. The extrusion rod driver 81, the lower pressing driver 82, and the transverse moving driver 83 are respectively connected to the central controller 80.

[0038] In specific implementation, the material narrowing extrusion part 20 is connected to the base extrusion part 10, the longitudinal material extrusion part 30 is connected between the material narrowing extrusion part 20 and the transverse extrusion part 40, the base extrusion part 10 includes an extrusion barrel 11 and an extrusion rod 12, the extrusion rod 12 is arranged in the extrusion barrel 11, the extrusion rod 12 is provided with a spiral extrusion piece 13, and the extrusion barrel 11 has an extrusion barrel discharge port 14.

[0039] The material narrowing extrusion part 20 has a material storage cavity 21 and a material narrowing extrusion cavity 22, the material storage cavity 21 is connected to the extrusion barrel discharge port 14 of the base extrusion part 10, the material narrowing extrusion cavity 22 is connected to the material storage cavity 21, the color masterbatch material A in the base extrusion part 10 first enters the material storage cavity 21 through the extrusion barrel discharge port 14 and is then extruded into the material narrowing extrusion cavity 22, the cross-sectional area of the material narrowing extrusion cavity 22 is smaller than that of the extrusion barrel discharge port 14, and the color masterbatch material A can be subjected to a first compacting action through the material narrowing extrusion part 20.

[0040] The longitudinal material extrusion part 30 comprises a longitudinal extrusion cylinder 31 and a pressing piston 32, wherein the longitudinal extrusion cylinder 31 has a material inlet 311 and a material outlet 312 which are communicated with an extrusion cylinder cavity 313, the material collection and extrusion cavity 22 of the material collection and extrusion part 20 is communicated with the material inlet 311, the pressing piston 32 is arranged in the extrusion cylinder cavity 313, the cross-sectional area of the extrusion cylinder cavity 313 is smaller than that of the material collection and extrusion cavity 22, the color masterbatch A in the material collection and extrusion cavity 22 gradually enters the extrusion cylinder cavity 313, and the color masterbatch A in the extrusion cylinder cavity 313 is pressed into the transverse extrusion part 40 in batches by the pressing piston 32, so that the color masterbatch A can be subjected to a second compacting and tamping action by the longitudinal material extrusion part 30.

[0041] The transverse extrusion part 40 comprises a transverse extrusion cylinder 41, a transverse piston 42 and an embedded sieve plate 43, wherein the transverse extrusion cylinder 41 has a material outlet 411 and a material outlet 412 which are communicated with a transverse cylinder cavity 413, the material outlet 312 of the longitudinal material extrusion part 30 is communicated with the material outlet 411, the transverse piston 42 is arranged in the transverse cylinder cavity 413, and the embedded sieve plate 43 is embedded in the material outlet 412, so that the color masterbatch A in the transverse cylinder cavity 413 is subjected to a third compacting and tamping action by the transverse extrusion part 40.

[0042] As shown in Figure 3 In a specific implementation, the material collection and extrusion part 20 is provided with an oil additive pipe 60 which is communicated with the material collection and extrusion cavity 22, and when the color masterbatch A is extruded into the material collection and extrusion cavity 22, an oil additive C flows into the material collection and extrusion cavity 22 through the oil additive pipe 60, the oil additive C and the color masterbatch A are mixed in the material collection and extrusion cavity 22 by the first compacting and tamping action, the oil additive C and the color masterbatch A are mixed in the longitudinal material extrusion part 30 by the second compacting and tamping action, and the oil additive C and the color masterbatch A are mixed in the transverse extrusion part 40 by the third compacting and tamping action, so that the oil additive C and the color masterbatch A can be fully mixed by the first compacting and tamping action, the second compacting and tamping action and the third compacting and tamping action.

Claims

1. A color master pellet extrusion system characterized by: The device comprises a basic extrusion part, a material narrowing extrusion part, a longitudinal material extrusion part and a transverse extrusion part, the material narrowing extrusion part is connected with the basic extrusion part, the longitudinal material extrusion part is connected between the material narrowing extrusion part and the transverse extrusion part, The basic extrusion part comprises an extrusion cylinder and an extrusion rod, the extrusion rod is arranged in the extrusion cylinder, the extrusion rod is provided with a spiral extrusion sheet, the extrusion cylinder is provided with an extrusion cylinder discharge port, The color masterbatch is put into the basic extrusion part, the color masterbatch in the extrusion cylinder is gradually extruded from back to front through the extrusion cylinder discharge port into the material narrowing extrusion part by the rotation of the extrusion rod and the spiral extrusion sheet, the color masterbatch in the material narrowing extrusion part is gradually extruded into the longitudinal material extrusion part, The color masterbatch in the longitudinal material extrusion part is downwardly moved and is extruded into the transverse extrusion part in batches, The color masterbatch in the transverse extrusion part is extruded out of the transverse extrusion part in batches to obtain color masterbatch particles, The material narrowing extrusion part is provided with a material storage cavity and a material narrowing extrusion cavity, the material storage cavity is connected with the extrusion cylinder discharge port of the basic extrusion part, the material narrowing extrusion cavity is connected with the material storage cavity, the color masterbatch in the basic extrusion part firstly enters the material storage cavity through the extrusion cylinder discharge port and is then extruded into the material narrowing extrusion cavity, the cross-sectional area of the material narrowing extrusion cavity is smaller than that of the extrusion cylinder discharge port, the color masterbatch can be first compacted by the material narrowing extrusion part, The longitudinal material extrusion part comprises a longitudinal extrusion cylinder and a downward pressing piston, the longitudinal extrusion cylinder is provided with an inlet, an outlet and an extrusion cylinder cavity, the inlet and the outlet are respectively connected with the extrusion cylinder cavity, the material narrowing extrusion cavity of the material narrowing extrusion part is connected with the inlet, the downward pressing piston is arranged in the extrusion cylinder cavity, the cross-sectional area of the extrusion cylinder cavity is smaller than that of the material narrowing extrusion cavity, the color masterbatch in the material narrowing extrusion cavity is gradually extruded into the extrusion cylinder cavity, the color masterbatch in the extrusion cylinder cavity is pressed into the transverse extrusion part in batches by the downward pressing piston, the color masterbatch can be secondly compacted by the longitudinal material extrusion part, The transverse extrusion part comprises a transverse extrusion cylinder, a transverse moving piston and an embedded sieve plate, the transverse extrusion cylinder is provided with a lower discharge port, an extrusion discharge port and a transverse extrusion cylinder cavity, the lower discharge port and the extrusion discharge port are respectively connected with the transverse extrusion cylinder cavity, the outlet of the longitudinal material extrusion part is connected with the lower discharge port, the transverse moving piston is arranged in the transverse extrusion cylinder cavity, the embedded sieve plate is embedded in the extrusion discharge port, the color masterbatch in the transverse extrusion cylinder cavity is horizontally pressed in batches by the transverse moving piston and is pressed out by the embedded sieve plate, the color masterbatch can be thirdly compacted by the transverse extrusion part.

2. A color concentrate pellet extrusion system as claimed in claim 1, wherein: The material narrowing extrusion part of the material narrowing extrusion section is a horizontal cavity, the extrusion cylinder cavity is perpendicular to and communicates with the material narrowing extrusion cavity.

3. A color concentrate pellet extrusion system as claimed in claim 1, wherein: An oil additive pipe is arranged on the material narrowing extrusion part, the oil additive pipe communicates with the material narrowing extrusion cavity, when the color masterbatch material is extruded into the material narrowing extrusion cavity, the oil additive flows into the material narrowing extrusion cavity through the oil additive pipe, The oil additive and the color masterbatch material are mixed in the material narrowing extrusion cavity through the first compacting action, the oil additive and the color masterbatch material are mixed in the longitudinal material extrusion part through the second compacting action, and the oil additive and the color masterbatch material are mixed in the transverse extrusion part through the third compacting action.

4. A color concentrate pellet extrusion system as claimed in claim 1, wherein: The transverse extrusion part is fixedly arranged on the assembly platform.

5. A color concentrate pellet extrusion system as claimed in claim 1, wherein: The transverse piston has an inclined piston pressing surface.

6. A color concentrate pellet extrusion system as claimed in claim 5, wherein: The angle between the inclined piston pressing surface and the inner side surface of the embedded sieve plate is less than or equal to 30 degrees.

7. A color concentrate pellet extrusion system as claimed in claim 1, wherein: The base extrusion part, the material narrowing extrusion part, the longitudinal material extrusion part and the transverse extrusion part are all circular tubes.

8. A color concentrate pellet extrusion system as claimed in claim 7, wherein: The base extrusion part and the material narrowing extrusion part have the same central axis, and the base extrusion part is parallel to the transverse extrusion part.

9. A color concentrate pellet extrusion system as claimed in claim 1, wherein: The extrusion rod is driven by an extrusion rod driver, the downward piston is driven by a downward driver, and the transverse piston is driven by a transverse driver, the extrusion rod driver, the downward driver and the transverse driver are connected to a central controller, The central controller controls the working modes of the extrusion rod driver, the downward driver and the transverse driver, and the working modes are as follows: Step A, the central controller controls the action of the extrusion rod driver, the extrusion rod driver drives the extrusion rod, the extrusion rod rotates, and a specific amount of color masterbatch material is extruded from the base extrusion part into the longitudinal material extrusion part through the material narrowing extrusion part, Step B, the central controller controls the action of the downward driver, the downward driver drives the downward piston, and the downward piston is pressed downward to press the color masterbatch material in the longitudinal material extrusion part into the transverse extrusion part, Step C, the central controller controls the action of the downward driver, the downward driver drives the downward piston to move upward to the initial state, The central controller controls the action of the transverse driver, the transverse driver drives the transverse piston, and the transverse piston moves transversely to extrude the color masterbatch material in the transverse extrusion part out of the transverse extrusion part to obtain color masterbatch particles, and the cycle is repeated.

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