CN113480750A - Preparation process of biodegradable color master batch - Google Patents
Preparation process of biodegradable color master batch Download PDFInfo
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- CN113480750A CN113480750A CN202110765797.4A CN202110765797A CN113480750A CN 113480750 A CN113480750 A CN 113480750A CN 202110765797 A CN202110765797 A CN 202110765797A CN 113480750 A CN113480750 A CN 113480750A
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- 239000004595 color masterbatch Substances 0.000 title claims abstract description 33
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims abstract description 62
- 238000003756 stirring Methods 0.000 claims abstract description 62
- 239000000203 mixture Substances 0.000 claims abstract description 33
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 24
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 24
- 239000002270 dispersing agent Substances 0.000 claims abstract description 24
- 239000000049 pigment Substances 0.000 claims abstract description 24
- 239000004014 plasticizer Substances 0.000 claims abstract description 24
- 239000011347 resin Substances 0.000 claims abstract description 24
- 229920005989 resin Polymers 0.000 claims abstract description 24
- 238000002156 mixing Methods 0.000 claims abstract description 8
- 238000001816 cooling Methods 0.000 claims description 54
- 238000003860 storage Methods 0.000 claims description 45
- 239000000110 cooling liquid Substances 0.000 claims description 42
- 238000007599 discharging Methods 0.000 claims description 12
- 125000006850 spacer group Chemical group 0.000 claims description 11
- 230000007246 mechanism Effects 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims 2
- 239000012141 concentrate Substances 0.000 claims 1
- 239000004626 polylactic acid Substances 0.000 abstract description 25
- 229920000747 poly(lactic acid) Polymers 0.000 abstract description 22
- 238000000465 moulding Methods 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 3
- 238000004040 coloring Methods 0.000 abstract description 2
- 238000004043 dyeing Methods 0.000 abstract description 2
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- 239000000835 fiber Substances 0.000 abstract description 2
- 238000009987 spinning Methods 0.000 abstract description 2
- 239000011550 stock solution Substances 0.000 abstract description 2
- 239000002826 coolant Substances 0.000 description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000004594 Masterbatch (MB) Substances 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000012798 spherical particle Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2467/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2467/04—Polyesters derived from hydroxy carboxylic acids, e.g. lactones
Landscapes
- 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)
- Processes Of Treating Macromolecular Substances (AREA)
- Biological Depolymerization Polymers (AREA)
Abstract
The invention discloses a preparation process of biodegradable color master batch, which comprises the steps of heating, stirring and uniformly mixing 40-45 parts by weight of PLA resin, 35-45 parts by weight of pigment, 1-5 parts by weight of antioxidant, 5-10 parts by weight of plasticizer and 1-5 parts by weight of dispersant by using a mixing device to obtain a mixture, and then molding the mixture into the biodegradable color master batch by using a molding device. The polylactic acid can be prepared into the biodegradable color master batch, the color master batch can be used for coloring the stock solution before spinning, and the PLA color yarns can be directly spun by a chemical fiber factory in a mode of adding the color master batch, so that the environmental pollution caused by subsequent printing and dyeing can be avoided, and the polylactic acid is energy-saving and environment-friendly.
Description
Technical Field
The invention relates to the technical field of master batch production, in particular to a preparation process of biodegradable master batch.
Background
Polylactic acid (PLA) is a bio-based degradable material, and various products made of the PLA can be completely decomposed into carbon dioxide and water under the action of natural media such as microorganisms, water, acid, alkali and the like in the nature after being discarded, so that the substance circulation in the nature is realized. Therefore, polylactic acid (PLA) is a synthetic polymer material having excellent biocompatibility and biodegradability.
If polylactic acid (PLA) can be prepared into biodegradable color master batch, the color master batch can be used for coloring stock solution before spinning, and a chemical fiber factory can directly spin PLA color yarns by adding the color master batch, so that the environmental pollution caused by subsequent printing and dyeing can be avoided, and the method is the most energy-saving and environment-friendly method.
Disclosure of Invention
The invention aims to provide a preparation process of biodegradable color master batch, which can fully and uniformly mix PLA resin, pigment, antioxidant, plasticizer and dispersant to form a mixture, and prepare the mixture into the biodegradable color master batch.
In order to achieve the purpose, the technical scheme is to design a preparation process of the biodegradable color master batch, wherein a mixing device is adopted to heat, stir and mix 40-45 parts by weight of PLA resin, 35-45 parts by weight of pigment, 1-5 parts by weight of antioxidant, 5-10 parts by weight of plasticizer and 1-5 parts by weight of dispersing agent uniformly to form a mixture, and then a forming device is adopted to form the biodegradable color master batch from the mixture.
Preferably, the mixing device comprises: a heating and stirring tank, a heating device and a stirring mechanism which are arranged in the heating and stirring tank, a PLA resin storage tank, a pigment storage tank, an antioxidant storage tank, a plasticizer storage tank and a dispersant storage tank which are arranged above the heating and stirring tank, a first feeding pipe which connects the PLA resin storage tank with the top of the heating and stirring tank, a second feeding pipe which connects the pigment storage tank with the top of the heating and stirring tank, a third feeding pipe which connects the antioxidant storage tank with the top of the heating and stirring tank, a fourth feeding pipe which connects the plasticizer storage tank with the top of the heating and stirring tank, a fifth feeding pipe which connects the dispersant storage tank with the top of the heating and stirring tank, a first feeding valve which is arranged on the first feeding pipe, a second feeding valve which is arranged on the second feeding pipe, a third feeding valve which is arranged on the third feeding pipe, a fourth feeding valve which is arranged on the fourth feeding pipe, a fifth feeding valve which is arranged on the fifth feeding pipe, a discharging pipe which is arranged at the bottom of the heating and stirring tank, and a discharge valve arranged on the discharge pipe;
the forming device comprises a cooling plate and a conveyor belt; the cooling plate is horizontally arranged below the right side of the heating and stirring tank, the conveyor belt is horizontally arranged below the cooling plate, the cooling plate and the conveyor belt extend in the same direction, and the top surface of the conveyor belt is attached to the bottom surface of the cooling plate; the bottom surface of the cooling plate is provided with a first semicircular notch, and the first semicircular notch extends from the left end of the cooling plate to the right end of the cooling plate; the outer peripheral surface of the conveyor belt is provided with a second semicircular notch which is arranged along the left-right direction and surrounds the outer peripheral surface of the conveyor belt by a circle; the second semicircular notch is positioned right below the first semicircular notch, and the second semicircular notch and the first semicircular notch can be combined into a circular notch; the left end of conveyer belt is located between heating agitator tank and the cooling plate, and the discharging pipe is put to one side, and the bottom of discharging pipe is towards the left end of conveyer belt, and the bottom of discharging pipe and the butt joint of the second semicircle notch of conveyer belt top surface.
Preferably, a plurality of circular spacers are arranged in the second semicircular groove opening, the plurality of circular spacers are arranged at equal intervals along the periphery of the conveyor belt, and the radius of each circular spacer is the same as that of the second semicircular groove.
Preferably, the left end of the top surface of the cooling plate is provided with a cooling liquid input joint, the right end of the top surface of the cooling plate is provided with a cooling liquid output joint, a cooling liquid channel is arranged inside the cooling plate, and two ends of the cooling liquid channel are respectively communicated with the cooling liquid input joint and the cooling liquid output joint; the cooling liquid input joint is externally connected with a cooling liquid input pipe, and the cooling liquid output joint is externally connected with a cooling liquid output pipe.
Preferably, the preparation process of the biodegradable color master batch comprises the following steps:
controlling the opening and closing of the first feeding valve, and feeding 40-45 parts by weight of PLA resin into the heating and stirring tank from the PLA resin storage tank through the first feeding pipe;
controlling the opening and closing of a second feeding valve, and inputting 35-45 parts by weight of pigment into the heating stirring tank through a second feeding pipe by the pigment storage tank;
controlling the opening and closing of a third feeding valve, and inputting 1-5 parts by weight of antioxidant into the heating and stirring tank through a third feeding pipe by an antioxidant storage tank;
controlling the opening and closing of the fourth feeding valve, and inputting 5-10 parts by weight of plasticizer into the heating and stirring tank through the third feeding pipe by the plasticizer storage tank;
controlling the opening and closing of the fifth feeding valve, and inputting 1-5 parts by weight of a dispersing agent into the heating stirring tank through the third feeding pipe by the dispersing agent storage tank;
heating and stirring the PLA resin, the pigment, the antioxidant, the plasticizer and the dispersant by a heating device and a stirring mechanism in the heating and stirring tank to fully and uniformly mix the PLA resin, the pigment, the antioxidant, the plasticizer and the dispersant into a mixed material;
then starting the conveyor belt, then opening the discharge valve, enabling the mixture to fall into a second semicircular notch in the top surface of the conveyor belt along the discharge pipe, dividing the mixture into multiple parts by a plurality of spacers in the second semicircular notch, driving the mixture to move rightwards by the conveyor belt, fixing the cooling plate, enabling the first semicircular notch in the bottom surface of the cooling plate and the second semicircular notch in the top surface of the conveyor belt to be combined into a circular notch, and enabling the mixture to be changed into small particles (such as spherical particles) through the first semicircular notch and the second semicircular notch to obtain the biodegradable color master batch; the color master batches can be output from the right end of the conveying belt.
Preferably, the coolant inlet pipe supplies coolant to the cooling plate, the coolant flows through the coolant passage and is recovered by the coolant outlet pipe, and the coolant lowers the temperature of the cooling plate and accelerates cooling of the mixture by the cooling plate.
The invention has the advantages and beneficial effects that: the preparation process of the biodegradable color master batch is provided, and the PLA resin, the pigment, the antioxidant, the plasticizer and the dispersing agent can be fully and uniformly mixed to form a mixture, and the mixture is prepared into the biodegradable color master batch.
Detailed Description
The following further describes embodiments of the present invention with reference to examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The technical scheme of the specific implementation of the invention is as follows:
the invention provides a preparation process of biodegradable color master batch, which comprises the steps of heating, stirring and uniformly mixing 40-45 parts by weight of PLA resin, 35-45 parts by weight of pigment, 1-5 parts by weight of antioxidant, 5-10 parts by weight of plasticizer and 1-5 parts by weight of dispersant by using a mixing device to form a mixture, and then molding the mixture into the biodegradable color master batch by using a molding device.
Specifically, the method comprises the following steps:
the compounding device includes: a heating and stirring tank, a heating device and a stirring mechanism which are arranged in the heating and stirring tank, a PLA resin storage tank, a pigment storage tank, an antioxidant storage tank, a plasticizer storage tank and a dispersant storage tank which are arranged above the heating and stirring tank, a first feeding pipe which connects the PLA resin storage tank with the top of the heating and stirring tank, a second feeding pipe which connects the pigment storage tank with the top of the heating and stirring tank, a third feeding pipe which connects the antioxidant storage tank with the top of the heating and stirring tank, a fourth feeding pipe which connects the plasticizer storage tank with the top of the heating and stirring tank, a fifth feeding pipe which connects the dispersant storage tank with the top of the heating and stirring tank, a first feeding valve which is arranged on the first feeding pipe, a second feeding valve which is arranged on the second feeding pipe, a third feeding valve which is arranged on the third feeding pipe, a fourth feeding valve which is arranged on the fourth feeding pipe, a fifth feeding valve which is arranged on the fifth feeding pipe, a discharging pipe which is arranged at the bottom of the heating and stirring tank, and a discharge valve arranged on the discharge pipe;
the forming device comprises a cooling plate and a conveyor belt; the cooling plate is horizontally arranged below the right side of the heating and stirring tank, the conveyor belt is horizontally arranged below the cooling plate, the cooling plate and the conveyor belt extend in the same direction, and the top surface of the conveyor belt is attached to the bottom surface of the cooling plate; the bottom surface of the cooling plate is provided with a first semicircular notch, and the first semicircular notch extends from the left end of the cooling plate to the right end of the cooling plate; the outer peripheral surface of the conveyor belt is provided with a second semicircular notch which is arranged along the left-right direction and surrounds the outer peripheral surface of the conveyor belt by a circle; the second semicircular notch is positioned right below the first semicircular notch, and the second semicircular notch and the first semicircular notch can be combined into a circular notch; the left end of the conveying belt is positioned between the heating stirring tank and the cooling plate, the discharging pipe is obliquely arranged, the bottom end of the discharging pipe faces the left end of the conveying belt, and the bottom end of the discharging pipe is in butt joint with the second semicircular notch in the top surface of the conveying belt;
a plurality of round spacers are arranged in the second semicircular groove opening at equal intervals along the periphery of the conveyor belt, and the radius of each round spacer is the same as that of the second semicircular groove;
a cooling liquid input joint is arranged at the left end of the top surface of the cooling plate, a cooling liquid output joint is arranged at the right end of the top surface of the cooling plate, a cooling liquid channel is arranged inside the cooling plate, and two ends of the cooling liquid channel are respectively communicated with the cooling liquid input joint and the cooling liquid output joint; the cooling liquid input joint is externally connected with a cooling liquid input pipe, and the cooling liquid output joint is externally connected with a cooling liquid output pipe.
More specifically, the preparation process of the biodegradable color master batch comprises the following steps:
controlling the opening and closing of the first feeding valve, and feeding 40-45 parts by weight of PLA resin into the heating and stirring tank from the PLA resin storage tank through the first feeding pipe;
controlling the opening and closing of a second feeding valve, and inputting 35-45 parts by weight of pigment into the heating stirring tank through a second feeding pipe by the pigment storage tank;
controlling the opening and closing of a third feeding valve, and inputting 1-5 parts by weight of antioxidant into the heating and stirring tank through a third feeding pipe by an antioxidant storage tank;
controlling the opening and closing of the fourth feeding valve, and inputting 5-10 parts by weight of plasticizer into the heating and stirring tank through the third feeding pipe by the plasticizer storage tank;
controlling the opening and closing of the fifth feeding valve, and inputting 1-5 parts by weight of a dispersing agent into the heating stirring tank through the third feeding pipe by the dispersing agent storage tank;
heating and stirring the PLA resin, the pigment, the antioxidant, the plasticizer and the dispersant by a heating device and a stirring mechanism in the heating and stirring tank to fully and uniformly mix the PLA resin, the pigment, the antioxidant, the plasticizer and the dispersant into a mixed material;
then starting the conveyor belt, then opening the discharge valve, enabling the mixture to fall into a second semicircular notch in the top surface of the conveyor belt along the discharge pipe, dividing the mixture into multiple parts by a plurality of spacers in the second semicircular notch, driving the mixture to move rightwards by the conveyor belt, fixing the cooling plate, enabling the first semicircular notch in the bottom surface of the cooling plate and the second semicircular notch in the top surface of the conveyor belt to be combined into a circular notch, and enabling the mixture to be changed into small particles (such as spherical particles) through the first semicircular notch and the second semicircular notch to obtain the biodegradable color master batch; the color master batches can be output from the right end of the conveying belt.
In addition, the cooling liquid input pipe supplies cooling liquid to the cooling plate, the cooling liquid flows through the cooling liquid channel and is recovered through the cooling liquid output pipe, the temperature of the cooling plate is reduced through the cooling liquid, the cooling of the mixture is accelerated through the cooling plate, and the preparation of the color master batches is facilitated.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. A preparation process of biodegradable color master batches is characterized in that a mixing device is adopted to heat, stir and mix 40-45 parts by weight of PLA resin, 35-45 parts by weight of pigment, 1-5 parts by weight of antioxidant, 5-10 parts by weight of plasticizer and 1-5 parts by weight of dispersing agent uniformly to form a mixture, and then a forming device is adopted to form the biodegradable color master batches from the mixture.
2. The process for preparing biodegradable color masterbatch according to claim 1, wherein the mixing device comprises: a heating and stirring tank, a heating device and a stirring mechanism which are arranged in the heating and stirring tank, a PLA resin storage tank, a pigment storage tank, an antioxidant storage tank, a plasticizer storage tank and a dispersant storage tank which are arranged above the heating and stirring tank, a first feeding pipe which connects the PLA resin storage tank with the top of the heating and stirring tank, a second feeding pipe which connects the pigment storage tank with the top of the heating and stirring tank, a third feeding pipe which connects the antioxidant storage tank with the top of the heating and stirring tank, a fourth feeding pipe which connects the plasticizer storage tank with the top of the heating and stirring tank, a fifth feeding pipe which connects the dispersant storage tank with the top of the heating and stirring tank, a first feeding valve which is arranged on the first feeding pipe, a second feeding valve which is arranged on the second feeding pipe, a third feeding valve which is arranged on the third feeding pipe, a fourth feeding valve which is arranged on the fourth feeding pipe, a fifth feeding valve which is arranged on the fifth feeding pipe, a discharging pipe which is arranged at the bottom of the heating and stirring tank, and a discharge valve arranged on the discharge pipe;
the forming device comprises a cooling plate and a conveyor belt; the cooling plate is horizontally arranged below the right side of the heating and stirring tank, the conveyor belt is horizontally arranged below the cooling plate, the cooling plate and the conveyor belt extend in the same direction, and the top surface of the conveyor belt is attached to the bottom surface of the cooling plate; the bottom surface of the cooling plate is provided with a first semicircular notch, and the first semicircular notch extends from the left end of the cooling plate to the right end of the cooling plate; the outer peripheral surface of the conveyor belt is provided with a second semicircular notch which is arranged along the left-right direction and surrounds the outer peripheral surface of the conveyor belt by a circle; the second semicircular notch is positioned right below the first semicircular notch, and the second semicircular notch and the first semicircular notch can be combined into a circular notch; the left end of conveyer belt is located between heating agitator tank and the cooling plate, and the discharging pipe is put to one side, and the bottom of discharging pipe is towards the left end of conveyer belt, and the bottom of discharging pipe and the butt joint of the second semicircle notch of conveyer belt top surface.
3. The preparation process of the biodegradable color masterbatch according to claim 2, wherein a plurality of round spacers are disposed in the second semicircular groove opening, the plurality of round spacers are disposed at equal intervals along a circumference of the conveyor belt, and the radius of the round spacers is the same as the radius of the second semicircular groove.
4. The preparation process of the biodegradable color master batch according to claim 3, wherein the left end of the top surface of the cooling plate is provided with a cooling liquid input joint, the right end of the top surface of the cooling plate is provided with a cooling liquid output joint, a cooling liquid channel is arranged inside the cooling plate, and two ends of the cooling liquid channel are respectively communicated with the cooling liquid input joint and the cooling liquid output joint; the cooling liquid input joint is externally connected with a cooling liquid input pipe, and the cooling liquid output joint is externally connected with a cooling liquid output pipe.
5. Process for the preparation of biodegradable color concentrates according to claim 4, characterized by the fact of comprising the following steps:
controlling the opening and closing of the first feeding valve, and feeding 40-45 parts by weight of PLA resin into the heating and stirring tank from the PLA resin storage tank through the first feeding pipe;
controlling the opening and closing of a second feeding valve, and inputting 35-45 parts by weight of pigment into the heating stirring tank through a second feeding pipe by the pigment storage tank;
controlling the opening and closing of a third feeding valve, and inputting 1-5 parts by weight of antioxidant into the heating and stirring tank through a third feeding pipe by an antioxidant storage tank;
controlling the opening and closing of the fourth feeding valve, and inputting 5-10 parts by weight of plasticizer into the heating and stirring tank through the third feeding pipe by the plasticizer storage tank;
controlling the opening and closing of the fifth feeding valve, and inputting 1-5 parts by weight of a dispersing agent into the heating stirring tank through the third feeding pipe by the dispersing agent storage tank;
heating and stirring the PLA resin, the pigment, the antioxidant, the plasticizer and the dispersant by a heating device and a stirring mechanism in the heating and stirring tank to fully and uniformly mix the PLA resin, the pigment, the antioxidant, the plasticizer and the dispersant into a mixed material;
then starting the conveyor belt, then opening the discharge valve, enabling the mixture to fall into a second semicircular notch in the top surface of the conveyor belt along the discharge pipe, dividing the mixture into multiple parts by a plurality of spacers in the second semicircular notch, driving the mixture to move rightwards by the conveyor belt, fixing the cooling plate, enabling the first semicircular notch in the bottom surface of the cooling plate and the second semicircular notch in the top surface of the conveyor belt to be combined into a circular notch, enabling the mixture to pass through the first semicircular notch and the second semicircular notch to become small particles, and obtaining the biodegradable color master batch; the color master batches can be output from the right end of the conveying belt.
6. The process for preparing biodegradable color masterbatch according to claim 5, wherein the cooling liquid inlet pipe supplies the cooling liquid to the cooling plate, the cooling liquid flows through the cooling liquid channel and is recovered by the cooling liquid outlet pipe, the cooling liquid lowers the temperature of the cooling plate, and the cooling of the mixture is accelerated by the cooling plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110765797.4A CN113480750A (en) | 2021-07-07 | 2021-07-07 | Preparation process of biodegradable color master batch |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110765797.4A CN113480750A (en) | 2021-07-07 | 2021-07-07 | Preparation process of biodegradable color master batch |
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| CN113480750A true CN113480750A (en) | 2021-10-08 |
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| CN202110765797.4A Pending CN113480750A (en) | 2021-07-07 | 2021-07-07 | Preparation process of biodegradable color master batch |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116023799A (en) * | 2022-12-28 | 2023-04-28 | 宇虹颜料股份有限公司 | Degradable superfine pigment preparation and preparation method thereof |
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| CN104151800A (en) * | 2014-08-19 | 2014-11-19 | 东莞市普凯塑料科技有限公司 | Biodegradable plastic color master batch and making method thereof |
| CN104650549A (en) * | 2015-02-10 | 2015-05-27 | 利丰新材料科技（深圳）有限公司 | PLA (polylactic acid) degradable color master batch and preparation method thereof |
| CN106751615A (en) * | 2016-12-19 | 2017-05-31 | 广东波斯科技股份有限公司 | A kind of high dispersive, biodegradable Masterbatch of low water absorption and preparation method thereof |
| CN107955348A (en) * | 2017-11-14 | 2018-04-24 | 青岛卓森纳生物工程有限公司 | A kind of environmentally-friendly plastic Masterbatch and its manufacture method |
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2021
- 2021-07-07 CN CN202110765797.4A patent/CN113480750A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104151800A (en) * | 2014-08-19 | 2014-11-19 | 东莞市普凯塑料科技有限公司 | Biodegradable plastic color master batch and making method thereof |
| CN104650549A (en) * | 2015-02-10 | 2015-05-27 | 利丰新材料科技（深圳）有限公司 | PLA (polylactic acid) degradable color master batch and preparation method thereof |
| CN106751615A (en) * | 2016-12-19 | 2017-05-31 | 广东波斯科技股份有限公司 | A kind of high dispersive, biodegradable Masterbatch of low water absorption and preparation method thereof |
| CN107955348A (en) * | 2017-11-14 | 2018-04-24 | 青岛卓森纳生物工程有限公司 | A kind of environmentally-friendly plastic Masterbatch and its manufacture method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116023799A (en) * | 2022-12-28 | 2023-04-28 | 宇虹颜料股份有限公司 | Degradable superfine pigment preparation and preparation method thereof |
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Application publication date: 20211008 |
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