CN113956568A - High-quality injection molding color master batch for injection molding - Google Patents
High-quality injection molding color master batch for injection molding Download PDFInfo
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- CN113956568A CN113956568A CN202111268591.7A CN202111268591A CN113956568A CN 113956568 A CN113956568 A CN 113956568A CN 202111268591 A CN202111268591 A CN 202111268591A CN 113956568 A CN113956568 A CN 113956568A
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- 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
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- 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
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/10—Homopolymers or copolymers of propene
- C08J2423/12—Polypropene
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- 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
- C08J2433/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2433/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
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- 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
- C08J2467/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
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- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention relates to the technical field of color masterbatch and discloses a high-quality injection molding color masterbatch for injection molding, which comprises the following components in percentage by weight: 50-90 parts of carrier resin, 3-9 parts of impact modifier, 30-40 parts of toner, 10-20 parts of flame retardant, 1-3 parts of dispersant, 1-3 parts of processing aid, 10-20 parts of nucleating agent and 2-5 parts of high-temperature stabilizer. This high quality is moulded plastics with look female of moulding plastics, its main component is carrier resin, impact modifier, the toner, the fire retardant, the dispersant, processing auxiliary agent, nucleating agent and high temperature stabilizer, through adding the fire retardant in to the raw materials, can effectively improve the device's flame retardant efficiency, then this look female carries out mixing treatment through low-speed mixer earlier, then extrude the banburying in the internal mixer of pressurizeing again, make and to mix between each component of this look female, thereby the mixing effect of look female when processing has been improved, make each component in the look female after the shaping more even, thereby the stability of look female has been improved.
Description
Technical Field
The invention relates to the technical field of color masterbatch, in particular to high-quality injection molding color masterbatch for injection molding.
Background
The color master batch is a special colorant for novel high polymer materials, is also called a pigment preparation and is mainly used for plastics. The color concentrate is composed of pigment or dye, carrier and additive, and is an aggregate prepared by uniformly supporting an excessive amount of pigment in a resin, and can be called pigment concentrate, so that its coloring power is higher than that of the pigment itself, and when it is processed, it can be mixed with a small amount of color concentrate and uncolored resin to obtain the colored resin or product with designed pigment concentration.
The existing injection molding color master batches are poor in flame retardance, the mixing effect of the injection molding color master batches during processing is not good, so that the mixed raw materials are not uniform enough, and after the color master batches are processed into finished products, the risk of flammability is easy to occur, so that the high-quality injection molding color master batches for injection molding are provided for improving the flame retardant effect of the color master batches.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a high-quality injection molding color master batch for injection molding, which solves the problems of uneven mixing and poor flame retardance in the existing injection molding color master batch processing.
In order to achieve the purpose, the invention provides the following technical scheme: the high-quality injection molding color master batch for injection molding comprises the following components in percentage by weight:
50-90 parts of carrier resin, 3-9 parts of impact modifier, 30-40 parts of toner, 10-20 parts of flame retardant, 1-3 parts of dispersant, 1-3 parts of processing aid, 10-20 parts of nucleating agent and 2-5 parts of high-temperature stabilizer.
The preparation method comprises the following steps.
S1, putting the raw material to be crushed into a sand mill dispersing machine for grinding, wherein the average particle diameter of the ground particles is controlled to be 0.3-0.5 μm.
S2, adding the carrier resin and the ground substance in the step S1 into a low-speed stirrer in sequence for mixing treatment.
S3, transferring the mixture obtained in the step S3 into a pressure internal mixer for internal mixing.
And S4, carrying out melt blending by using a screw extruder, and carrying out extrusion granulation.
The carrier resin is polypropylene resin or polyethylene terephthalate, the carrier is used for carrying the colorant and various auxiliary materials, so that the colorant and various auxiliary materials can be well dispersed in the carrier, all the components are combined into particles, the scattering of the particles is prevented, the use is convenient, the carrier of the color master batch is generally selected from polymers which are the same as or have good compatibility with colored plastics, and different carriers are selected from different resins.
The impact modifier is an acrylic rubber copolymer, and is a chemical for improving low-temperature embrittlement of a high polymer material and endowing the high polymer material with higher toughness.
The processing aid is turpentine oil, is one of essential oil, and is an important industrial raw material. Turpentine is a liquid extracted from resin of Pinaceae plant by distillation or other methods, the main component is terpene, the main components of turpentine, alpha-pinene, beta-pinene and the mixture of the alpha-pinene and the beta-pinene can dissolve bile pigment type calculus into fragments, the high temperature stabilizer is polyester wax, and the wax has common properties of water resistance and lubricity and also has characteristics such as oiliness, viscosity, brittleness, toughness, fusibility and gloss.
The dispersing agent is a mixture of polar wax, heavy calcium carbonate, stearic acid amide and ethanol, and is a surfactant which has two opposite properties of lipophilicity and hydrophilicity in a molecule. The amphiphilic agent is capable of uniformly dispersing solid and liquid particles of inorganic and organic pigments which are difficult to dissolve in liquids, and also preventing settling and agglomeration of the particles to form stable suspensions.
The low-speed stirrer is processed by mixing at room temperature of 100 r/min for 5min and then at high speed of 2000 r/min for 10 min, and the pressure internal mixer is processed by pressure internal mixing at the pressure of 9-18kg and the temperature of 100 ℃ and 150 ℃ for 15-25 min.
The beneficial effects are as follows:
this high quality is moulded plastics with look female of moulding plastics, its main component is carrier resin, impact modifier, the toner, the fire retardant, the dispersant, processing auxiliary agent, nucleating agent and high temperature stabilizer, through adding the fire retardant in to the raw materials, can effectively improve the device's flame retardant efficiency, then this look female carries out mixing treatment through low-speed mixer earlier, then extrude the banburying in the internal mixer of pressurizeing again, make and to mix between each component of this look female, thereby the mixing effect of look female when processing has been improved, make each component in the look female after the shaping more even, thereby the stability of look female has been improved.
Detailed Description
All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a technical scheme that: the high-quality injection molding color master batch for injection molding comprises 50-90 parts of carrier resin, 3-9 parts of impact modifier, 30-40 parts of toner, 10-20 parts of flame retardant, 1-3 parts of dispersant, 1-3 parts of processing aid, 10-20 parts of nucleating agent and 2-5 parts of high-temperature stabilizer.
The carrier resin is polypropylene resin or polyethylene glycol terephthalate, the impact modifier is acrylic rubber copolymer, the processing aid is turpentine, the high-temperature stabilizer is polyester wax, the dispersant is a mixture of polar wax, heavy calcium carbonate, stearic acid amide and ethanol, and the preparation method comprises the following steps:
and S1, putting the raw materials to be crushed into a sanding disperser for grinding, wherein the average particle size of the ground particles is controlled to be 0.3-0.5 mu m, and the subsequent mixing operation of the raw materials is facilitated by the smaller particle size.
S2, adding the carrier resin and the ground substance in the step S1 into a low-speed stirrer in sequence for mixing treatment, wherein the low-speed stirrer is used for mixing treatment for 5 minutes at room temperature of 100 revolutions per minute and then mixing for 10 minutes at high speed of 2000 revolutions per minute, the color master raw materials can be preliminarily mixed under the action of the stirrer, and the raw materials are relatively uniform after being mixed through high-speed and low-speed matching.
S3, transferring the mixture obtained in the step S3 into a pressure internal mixer for internal mixing, wherein the pressure internal mixer is used for pressure internal mixing for 15-25min under the conditions of 9-18kg of pressure and 100-150 ℃, and after the pressure internal mixing treatment, the color master batch can be fully and uniformly mixed with the raw materials of all components.
And S4, carrying out melt blending and extrusion granulation by adopting a screw extruder, wherein the screw extruder is a double-thread screw extruder or a single-screw extruder and can be selected according to processing conditions.
Example 1
The high-quality injection molding color master batch for injection molding comprises 50 parts of carrier resin, 3 parts of impact modifier, 30 parts of toner, 10 parts of flame retardant, 1 part of dispersant, 1 part of processing aid, 10 parts of nucleating agent and 2 parts of high-temperature stabilizer.
The carrier resin is polypropylene resin or polyethylene glycol terephthalate, the impact modifier is acrylic rubber copolymer, the processing aid is turpentine, the high-temperature stabilizer is polyester wax, the dispersant is a mixture of polar wax, heavy calcium carbonate, stearic acid amide and ethanol, and the preparation method comprises the following steps:
s1, grinding the raw material to be ground in a sand mill dispersion machine, wherein the average particle diameter of the ground particles is controlled to 0.3 μm.
S2, adding the carrier resin and the ground substance in the step S1 into a low-speed stirrer in sequence for mixing treatment, wherein the low-speed stirrer is used for mixing treatment at room temperature of 100 revolutions per minute for 5 minutes and then at high speed of 2000 revolutions per minute for 10 minutes.
S3, transferring the mixture obtained in the step S3 into a pressure internal mixer for internal mixing, wherein the pressure internal mixer is used for internal mixing for 15min under the conditions of 9kg of pressure and 100 ℃.
And S4, carrying out melt blending by using a screw extruder, and carrying out extrusion granulation.
Example 2
The high-quality injection molding color master batch for injection molding comprises 70 parts of carrier resin, 6 parts of impact modifier, 35 parts of toner, 15 parts of flame retardant, 2 parts of dispersant, 2 parts of processing aid, 15 parts of nucleating agent and 3 parts of high-temperature stabilizer.
The carrier resin is polypropylene resin or polyethylene glycol terephthalate, the impact modifier is acrylic rubber copolymer, the processing aid is turpentine, the high-temperature stabilizer is polyester wax, the dispersant is a mixture of polar wax, heavy calcium carbonate, stearic acid amide and ethanol, and the preparation method comprises the following steps:
s1, grinding the raw material to be ground in a sand mill dispersion machine, wherein the average particle diameter of the ground particles is controlled to 0.4 μm.
S2, adding the carrier resin and the ground substance in the step S1 into a low-speed stirrer in sequence for mixing treatment, wherein the low-speed stirrer is used for mixing treatment at room temperature of 100 revolutions per minute for 5 minutes and then at high speed of 2000 revolutions per minute for 10 minutes.
S3, transferring the mixture obtained in the step S3 into a pressure internal mixer for internal mixing, wherein the pressure internal mixer is used for internal mixing under the conditions of 13kg of pressure and 130 ℃ for 20 min.
And S4, carrying out melt blending by using a screw extruder, and carrying out extrusion granulation.
Example 3
The high-quality injection molding color master batch for injection molding comprises 90 parts of carrier resin, 9 parts of impact modifier, 40 parts of toner, 20 parts of flame retardant, 3 parts of dispersant, 3 parts of processing aid, 20 parts of nucleating agent and 5 parts of high-temperature stabilizer.
The carrier resin is polypropylene resin or polyethylene glycol terephthalate, the impact modifier is acrylic rubber copolymer, the processing aid is turpentine, the high-temperature stabilizer is polyester wax, the dispersant is a mixture of polar wax, heavy calcium carbonate, stearic acid amide and ethanol, and the preparation method comprises the following steps:
s1, grinding the raw material to be ground in a sand mill dispersion machine, wherein the average particle diameter of the ground particles is controlled to 0.5 μm.
S2, adding the carrier resin and the ground substance in the step S1 into a low-speed stirrer in sequence for mixing treatment, wherein the low-speed stirrer is used for mixing treatment at room temperature of 100 revolutions per minute for 5 minutes and then at high speed of 2000 revolutions per minute for 10 minutes.
S3, transferring the mixture obtained in the step S3 into a pressure internal mixer for internal mixing, wherein the pressure internal mixer is used for internal mixing under the conditions of 18kg of pressure and 150 ℃ for 25 min.
And S4, carrying out melt blending by using a screw extruder, and carrying out extrusion granulation.
Comparing the contents of the three comparative examples, the color master batch obtained in example 1 has poor flame retardant effect, the color master batch in example 2 has medium effect, the color master batch in example 3 has best flame retardant property, and then the components in the finished color master batch obtained are relatively more uniform due to the longer mixing time and banburying time in example 3.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The high-quality injection molding color master batch is characterized in that: the injection molding color master batch comprises the following components in percentage by weight:
50-90 parts of carrier resin, 3-9 parts of impact modifier, 30-40 parts of toner, 10-20 parts of flame retardant, 1-3 parts of dispersant, 1-3 parts of processing aid, 10-20 parts of nucleating agent and 2-5 parts of high-temperature stabilizer.
2. The high-quality injection molding color master batch for injection molding according to claim 1, characterized in that: the carrier resin is polypropylene resin or polyethylene terephthalate.
3. The high-quality injection molding color master batch for injection molding according to claim 1, characterized in that: the impact modifier is an acrylic rubber copolymer.
4. The high-quality injection molding color master batch for injection molding according to claim 1, characterized in that: the processing aid is turpentine, and the high-temperature stabilizer is polyester wax.
5. The high-quality injection molding color master batch for injection molding according to claim 1, characterized in that: the dispersing agent is a mixture of polar wax, heavy calcium carbonate, stearic acid amide and ethanol.
6. The preparation method of the high-quality injection molding color master batch as claimed in claim 1, which is characterized in that: the preparation method comprises the following steps:
s1, putting the raw materials to be crushed into a sanding dispersion machine for grinding, wherein the average particle size of the ground particles is controlled to be 0.3-0.5 mu m;
s2, adding the carrier resin and the ground substance in the step S1 into a low-speed stirrer in sequence for mixing treatment;
s3, transferring the mixture obtained in the step S3 into a pressurized internal mixer for internal mixing;
and S4, carrying out melt blending by using a screw extruder, and carrying out extrusion granulation.
7. The preparation method of the injection molding color masterbatch for high quality injection molding according to claim 6, characterized in that: the low-speed stirrer is processed by mixing at room temperature of 100 rpm for 5 minutes and then at high speed of 2000 rpm for 10 minutes.
8. A method for preparing the high-quality injection molding color master batch of claim 6, which is characterized in that: the processing mode of the pressurized internal mixer is pressurized and internally mixed for 15-25min under the conditions of 9-18kg of pressure and 100-150 ℃.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111268591.7A CN113956568A (en) | 2021-10-29 | 2021-10-29 | High-quality injection molding color master batch for injection molding |
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| CN202111268591.7A CN113956568A (en) | 2021-10-29 | 2021-10-29 | High-quality injection molding color master batch for injection molding |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109929264A (en) * | 2019-03-25 | 2019-06-25 | 山东诺森塑胶有限公司 | A kind of modified Masterbatch and preparation method thereof |
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- 2021-10-29 CN CN202111268591.7A patent/CN113956568A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109929264A (en) * | 2019-03-25 | 2019-06-25 | 山东诺森塑胶有限公司 | A kind of modified Masterbatch and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 中国化学工业年鉴编辑部 编: "《中国化学工业年鉴 第22卷》", 31 December 2006, 中国化工信息中心出版 * |
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Application publication date: 20220121 |