CN113801441A - High-color-fastness flame-retardant polyester color master batch, and preparation method and application thereof - Google Patents
High-color-fastness flame-retardant polyester color master batch, and preparation method and application thereof Download PDFInfo
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- CN113801441A CN113801441A CN202111069083.6A CN202111069083A CN113801441A CN 113801441 A CN113801441 A CN 113801441A CN 202111069083 A CN202111069083 A CN 202111069083A CN 113801441 A CN113801441 A CN 113801441A
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
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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
- B29B9/00—Making granules
- B29B9/12—Making granules characterised by structure or composition
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/07—Addition of substances to the spinning solution or to the melt for making fire- or flame-proof filaments
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
- D01F6/92—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyesters
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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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Abstract
The invention discloses a high-color-fastness flame-retardant polyester color master batch, a preparation method and application thereof, wherein the color master batch comprises the following components in percentage by mass: 44.5-48% of polyester chip, 15-30% of flame retardant, 18-37% of colorant, 2.5-3.5% of dispersant and 0.5% of antioxidant; the preparation method comprises the following steps: s1, drying the polyester chips, the flame retardant and the colorant according to a certain proportion; s2, adding the raw materials into a mixer according to a certain proportion for premixing to obtain a mixture; and S3, carrying out melt blending and extrusion on the mixture by adopting a double-screw extruder, and cooling, granulating and drying to obtain the flame-retardant polyester color master batch with high color fastness. The color master batch obtained by mixing the raw materials according to the proportion is high in color fastness and excellent in flame retardant property; the high-concentration flame retardant and the colorant are blended and extruded by adopting a V-shaped high-speed mixer and a double-screw extruder through an efficient dispersion technology, so that the compatibility of the flame retardant and the colorant is improved.
Description
Technical Field
The invention belongs to the technical field of new textile materials, and particularly relates to a high-color-fastness flame-retardant polyester color master batch, a preparation method and application thereof.
Background
The polyester fiber has excellent performances of high strength, high modulus, good shape retention, high dimensional stability and the like, and is an ideal textile material. The polyester molecules are arranged closely, and have less hydrophilic groups and poor dyeing property. The conventional dyeing method of polyester is to dye under the conditions of high temperature and high pressure or adding carriers, and the dyeing method has the disadvantages of high energy consumption, low efficiency and serious pollution. In addition, because of the chemical structure and the combustion characteristic of the polyester, the Limit Oxygen Index (LOI) of the polyester is determined to be lower, the polyester belongs to flammable materials, and the polyester fiber needs to be subjected to flame retardant finishing.
The dope coloring technology is a novel production technology for obtaining colored polyester fiber through melt spinning by adding coloring into polyester spinning solution in the form of color master batch. Wherein the color master batch is the key of the stock solution coloring technology. In addition, the flame retardant and the colorant are simultaneously added into a polyester carrier to prepare the functional color master batch, and then the functional color master batch is mixed with polyester chips for melt spinning, so that the polyester fiber with flame retardant property can be obtained at one time. However, the existing flame-retardant master batch has poor compatibility of the flame retardant and the colorant in a polyester carrier, so that the polyester fiber obtained by mixing the flame retardant and the colorant with a polyester melt has unsatisfactory color fastness and flame retardance.
The present invention has been made in view of this situation.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a high-color-fastness flame-retardant polyester color master batch, a preparation method and application thereof. In order to solve the technical problems, the invention adopts the technical scheme that:
the flame-retardant polyester color master batch with high color fastness comprises the following components in percentage by mass: 44.5-48% of polyester chip, 15-30% of flame retardant, 18-37% of colorant, 2.5-3.5% of dispersant and 0.5% of antioxidant.
Further, the polyester chip is one or two of a fiber-grade PET semi-dull chip and a fiber-grade PBT chip, and the flame retardant is a phosphorus halogen-free flame retardant.
Further, the polyester chip is a 4 x 5 x 2mm flaky particle, and the phosphorus content in the flame retardant is 12% -14%.
Further, the colorant is nano carbon black, phthalocyanine blue, pigment red and pigment green, and the dispersant is polyethylene wax, modified wax and olefin elastomer.
Further, the antioxidant is antioxidant 1010, antioxidant 1076, antioxidant 168.
The preparation method of the flame-retardant polyester color master batch with high color fastness comprises the following steps:
s1, putting the polyester chips, the flame retardant and the colorant into a vacuum drying oven according to a certain proportion, and drying for 3-5h at the temperature of 110-125 ℃;
s2, premixing the polyester chips, the flame retardant, the colorant, the dispersant and the antioxidant in a mixer to obtain a mixture;
and S3, carrying out melt blending and extrusion on the mixture by adopting a double-screw extruder, and cooling, granulating and drying to obtain the flame-retardant polyester color master batch with high color fastness.
Further, the water content of the polyester chips in the S1 is not more than 250ppm after drying.
Further, the mixing machine is a V-shaped high-speed mixer, the rotating speed of the V-shaped high-speed mixer is 40-60r/min, the mixing time is 30-60min, and the mixing temperature is 100-130 ℃.
Further, the extrusion speed of the double-screw extruder is 20-50r/min, and the extrusion temperature is 220-280 ℃.
An application of a high-color-fastness flame-retardant polyester color master batch in preparation of flame-retardant polyester fibers.
Furthermore, the limit oxygen index of the flame-retardant polyester fiber is 27-32%, the dry and wet rubbing fastness is not less than 4 grade, the washing color fading fastness is not less than 4 grade, and the washing color sticking fastness is not less than 4 grade.
Adding polyester chips, a flame retardant, a coloring agent, a dispersing agent and an antioxidant into a mixer according to a certain proportion for premixing, carrying out melt blending and extrusion on the mixture by adopting a double-screw extruder, and cooling, granulating and drying to obtain the flame-retardant polyester color master batch with high color fastness.
After the technical scheme is adopted, compared with the prior art, the invention has the following beneficial effects.
The color master batch obtained by mixing the components according to a certain proportion has high color fastness and excellent flame retardant property; the flame-retardant polyester color master batch is prepared by blending and extruding a high-concentration flame retardant and a colorant by adopting a V-shaped high-speed mixer and a double-screw extruder through an efficient dispersion technology, so that the compatibility of the flame retardant and the colorant is improved.
The high-color-fastness flame-retardant polyester color master batch obtained by the preparation method has good spinnability, and can be used for producing colored flame-retardant polyester staple fibers and filament fibers; the flame retardant and the colorant have high content, the addition amount is small in the melt spinning production process, and the produced flame-retardant colored polyester fiber has high color fastness and excellent flame retardant property.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention to its proper form. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
FIG. 1 is a schematic diagram of a process for preparing a high-color-fastness flame-retardant polyester color master batch of the invention;
FIG. 2 is a schematic diagram of an embodiment of the present invention;
FIG. 3 is a schematic diagram of a second embodiment of the present invention;
FIG. 4 is a third schematic of an embodiment of the present invention;
FIG. 5 is a fourth schematic diagram of an embodiment of the present invention.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in figures 1 to 5, the high-color-fastness flame-retardant polyester color master batch disclosed by the invention, as well as a preparation method and an application thereof, comprises the following components in percentage by mass: 44.5-48% of polyester chip, 15-30% of flame retardant, 18-37% of colorant, 2.5-3.5% of dispersant and 0.5% of antioxidant. The flame-retardant polyester color master batch with high color fastness is obtained by mixing the components according to the proportion, and has high color fastness and excellent flame retardant property. Preferably, the polyester chip is one or two of fiber-grade PET semi-dull chip and fiber-grade PBT chip, and the flame retardant is a phosphorus halogen-free flame retardant. The halogen-free flame retardant is adopted to avoid secondary damage caused by toxic gas generated in the combustion process. Preferably, the polyester chip is a 4X 5X 2mm sheet-like particle, and the phosphorus content in the flame retardant is 12% -14%. High phosphorus content, good flame-retardant effect, and plasticizing, thermal stabilization and flame-retardant effects in the material. Wherein, the colorant is nano carbon black, phthalocyanine blue, pigment red and pigment green, and the dispersant is polyethylene wax, modified wax and olefin elastomer. The antioxidant is antioxidant 1010, antioxidant 1076, and antioxidant 168.
The preparation method of the flame-retardant polyester color master batch with high color fastness comprises the following steps:
s1, putting the polyester chips, the flame retardant and the colorant into a vacuum drying oven according to a certain proportion, and drying for 3-5h at the temperature of 110-125 ℃;
s2, premixing the polyester chips, the flame retardant, the colorant, the dispersant and the antioxidant in a mixer to obtain a mixture;
and S3, carrying out melt blending and extrusion on the mixture by adopting a double-screw extruder, and cooling, granulating and drying to obtain the flame-retardant polyester color master batch with high color fastness.
Preferably, the water content of the polyester chip after drying in S1 is not more than 250 ppm. Preferably, the mixing machine is a V-shaped high-speed mixer, the rotating speed of the V-shaped high-speed mixer is 40-60r/min, the mixing time is 30-60min, and the mixing temperature is 100-130 ℃. The extrusion speed of the double-screw extruder is 20-50r/min, and the extrusion temperature is 220-280 ℃. The flame-retardant polyester color master batch is prepared by blending and extruding a high-concentration flame retardant and a colorant by adopting a V-shaped high-speed mixer and a double-screw extruder through an efficient dispersion technology, so that the compatibility of the flame retardant and the colorant is improved.
An application of a high-color-fastness-based flame-retardant polyester color master batch in preparation of flame-retardant polyester fiber is disclosed, wherein the limit oxygen index of the flame-retardant polyester fiber is 27-32%, the dry and wet rubbing fastness is not less than 4 grade, the washing fading fastness is not less than 4 grade, and the washing color-sticking fastness is not less than 4 grade. The high-color-fastness flame-retardant polyester color master batch obtained by the preparation method has good spinnability, and can be used for the production of colored flame-retardant polyester fibers, including the production of short fiber and filament products. The flame retardant and the colorant are high in content, the addition amount in the melt spinning production process is small, and the produced flame-retardant colored polyester fiber is high in color fastness and excellent in flame retardant property.
Example one
As shown in fig. 1 to 5, in the high-color-fastness flame-retardant polyester color master batch, the preparation method and the application thereof described in this embodiment, the color master batch comprises the following components by mass percent: 44.5 percent of polyester chip, 15 percent of flame retardant, 37 percent of colorant, 3 percent of dispersant and 0.5 percent of antioxidant. Wherein the polyester chip is fiber-grade PBT particles with the diameter of 4 multiplied by 5 multiplied by 2mm, the flame retardant is a phosphorus halogen-free flame retardant with the phosphorus content of 14 percent, the colorant is phthalocyanine blue, the dispersant is polyethylene wax, and the oxidant is antioxidant 1010.
A preparation method of a high-color-fastness flame-retardant polyester color master batch comprises the following steps:
s1, putting the polyester chip, the flame retardant and the colorant into a vacuum oven according to the proportion, and drying for 5 hours at 110 ℃, wherein the water content of the polyester chip is 235ppm after drying;
s2, premixing the polyester chips, the flame retardant, the colorant, the dispersant and the antioxidant in a V-shaped high-speed mixer, wherein the rotating speed of the mixer is 40r/min, the mixing time is 60min, the mixing temperature is 130 ℃, and uniformly mixing to obtain a mixture;
and S3, performing melt blending extrusion on the mixture at 245 ℃ by adopting a double-screw extruder, wherein the extrusion speed is 30r/min, and cooling, granulating and drying the extruded polyester to obtain the flame-retardant polyester color master batch with high color fastness.
The photo of the obtained color master batch is shown in fig. 2.
Adding the flame-retardant color master batch into a polyester melt in a volume metering manner, so that the flame retardant content in the melt is 2%, the phthalocyanine blue content in the melt is 5%, processing the filaments by adopting conventional melt spinning equipment and a conventional spinning process, and then testing the flame retardant property and the color fastness of the filaments.
Example two
As shown in fig. 1 to 5, in the high-color-fastness flame-retardant polyester color master batch, the preparation method and the application thereof described in this embodiment, the color master batch comprises the following components by mass percent: 46% of polyester chip, 20% of flame retardant, 30% of colorant, 3.5% of dispersant and 0.5% of antioxidant. Wherein the polyester chip is fiber-grade PET semi-dull particles of 4 × 5 × 2mm, the flame retardant is a phosphorus halogen-free flame retardant containing 13% of phosphorus, the colorant is pigment green, the dispersant is modified wax, and the oxidant is antioxidant 1076.
A preparation method of a high-color-fastness flame-retardant polyester color master batch comprises the following steps:
s1, putting the polyester chip, the flame retardant and the colorant into a vacuum oven according to the proportion, and drying for 3 hours at 125 ℃, wherein the water content of the polyester chip is 230 ppm.
S2, premixing polyester chips, a flame retardant, a colorant, a dispersant and an antioxidant in a V-shaped high-speed mixer, wherein the rotating speed of the mixer is 45r/min, the mixing time is 50min, the mixing temperature is 125 ℃, and uniformly mixing to obtain a mixture;
and S3, carrying out melt blending extrusion on the mixture at the temperature of 250 ℃ by adopting a double-screw extruder, wherein the extrusion speed is 35r/min, and cooling, granulating and drying the extruded polyester to obtain the flame-retardant polyester color master batch with high color fastness.
The photo of the obtained color master batch is shown in fig. 3.
Adding the flame-retardant color master batch into a polyester melt in a volume metering manner, so that the flame retardant content in the melt is 3%, the phthalocyanine blue content in the melt is 4.3%, adopting conventional melt spinning equipment and a spinning process to process filaments, and then testing the flame retardant property and the color fastness of the filaments.
EXAMPLE III
As shown in fig. 1 to 5, in the high-color-fastness flame-retardant polyester color master batch, the preparation method and the application thereof described in this embodiment, the color master batch comprises the following components by mass percent: 47% of polyester chip, 30% of flame retardant, 20% of colorant, 2.5% of dispersant and 0.5% of antioxidant. Wherein the polyester chip is fiber-grade PET semi-dull particles of 4 x 5 x 2mm, the flame retardant is a phosphorus halogen-free flame retardant with phosphorus content of 12%, the colorant is pigment red, the dispersant is olefin elastomer, and the oxidant is antioxidant 168.
A preparation method of a high-color-fastness flame-retardant polyester color master batch comprises the following steps:
s1, putting the polyester chip, the flame retardant and the colorant into a vacuum oven according to the proportion, and drying for 4 hours at 120 ℃, wherein the water content of the polyester chip is 240 ppm.
S2, premixing the polyester chips, the flame retardant, the colorant, the dispersant and the antioxidant in a V-shaped high-speed mixer, wherein the rotating speed of the mixer is 50/min, the mixing time is 40min, the mixing temperature is 120 ℃, and uniformly mixing to obtain a mixture;
and S3, carrying out melt blending extrusion on the mixture at 255 ℃ by adopting a double-screw extruder, wherein the extrusion speed is 40r/min, and cooling, granulating and drying the extruded polyester to obtain the flame-retardant polyester color master batch with high color fastness.
The photo of the obtained color master batch is shown in fig. 4.
Adding the flame-retardant color master batch into a polyester melt in a volume metering manner, so that the flame retardant content in the melt is 4.3%, the phthalocyanine blue content in the melt is 3%, processing the filaments by adopting conventional melt spinning equipment and a conventional spinning process, and then testing the flame retardant property and the color fastness of the filaments.
Example four
As shown in fig. 1 to 5, in the high-color-fastness flame-retardant polyester color master batch, the preparation method and the application thereof described in this embodiment, the color master batch comprises the following components by mass percent: 48 percent of polyester chip, 25 percent of flame retardant, 18 percent of colorant, 3.5 percent of dispersant and 0.5 percent of antioxidant. Wherein the polyester chip is a fiber-grade PET semi-dull particle with the diameter of 4 multiplied by 5 multiplied by 2mm and a fiber-grade PBT particle according to the mass ratio of 1: 1, the flame retardant is a phosphorus halogen-free flame retardant with phosphorus content of 13 percent, the colorant is nano carbon black, the dispersant is modified wax, and the oxidant is antioxidant 1010.
A preparation method of a high-color-fastness flame-retardant polyester color master batch comprises the following steps:
s1, putting the polyester chip, the flame retardant and the colorant into a vacuum oven according to the proportion, and drying for 5 hours at 115 ℃, wherein the water content of the polyester chip is 230 ppm.
S2, premixing polyester chips, a flame retardant, a colorant, a dispersant and an antioxidant in a V-shaped high-speed mixer, wherein the rotating speed of the mixer is 60r/min, the mixing time is 50min, the mixing temperature is 100 ℃, and uniformly mixing to obtain a mixture;
and S3, carrying out melt blending extrusion on the mixture at the temperature of 260 ℃ by adopting a double-screw extruder, wherein the extrusion speed is 30r/min, and cooling, granulating and drying the extruded polyester to obtain the flame-retardant polyester color master batch with high color fastness.
The photo of the obtained color master batch is shown in fig. 5.
Adding the flame-retardant color master batch into a polyester melt in a volume metering manner, so that the content of the flame retardant in the melt is 3.7%, the content of phthalocyanine blue in the melt is 2.3%, processing the filaments by adopting conventional melt spinning equipment and a conventional spinning process, and then testing the flame retardant property and the color fastness of the filaments.
Comparative example 1
The polyester melt is processed into filaments by conventional melt spinning equipment and a spinning process, and then high-temperature and high-pressure dyeing and flame-retardant after-finishing are adopted, and then the flame retardant property and the color fastness of the filaments are tested.
The color fastness and the flame retardant performance are respectively tested by GB/T3920-2008 'color fastness to rubbing' of textile color fastness test and GB/T5454-1997 'method for measuring oxygen index of textile combustion performance'.
The test results of example 1, example 2, example 3, example 4 and the comparative example are given in the following table:
| serial number | Color fastness | Limiting oxygen index |
| Example 1 | Dry and wet rubbing fastness 4 grade, washing fading fastness 4 grade, washing color fastness 4 grade | 28.3％ |
| Example 2 | 5 grade of dry and wet rubbing fastness, 4 grade of washing fading fastness and 4 grade of washing bonding fastness | 29.8％ |
| Example 3 | Dry and wet rubbing fastness 5 grade, washing fading fastness 5 grade, washing color fastness 5 grade | 31.8％ |
| Example 4 | Dry and wet rubbing fastness 5 grade, washing fading fastness 5 grade, washing color fastness 5 grade | 30.7％ |
| Comparative example | Dry and wet rubbing fastness 4 grade, washing fading fastness 3 grade, washing color fastness 3 grade | 26.8％ |
As can be seen from the comparison results in the table above, the polyester filament prepared by using the high-color-fastness flame-retardant color master batch of the invention has obvious improvement in both color fastness and flame retardance.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The flame-retardant polyester color master batch with high color fastness is characterized by comprising the following components in percentage by mass: 44.5-48% of polyester chip, 15-30% of flame retardant, 18-37% of colorant, 2.5-3.5% of dispersant and 0.5% of antioxidant.
2. The high-color-fastness flame-retardant polyester color master batch according to claim 1, wherein the polyester chip is one or two of a fiber-grade PET semi-dull chip and a fiber-grade PBT chip, and the flame retardant is a phosphorus-based halogen-free flame retardant.
3. The flame-retardant polyester color master batch with high color fastness according to claim 1, wherein the polyester chip is a 4 x 5 x 2mm flaky particle, and the phosphorus content in the flame retardant is 12-14%.
4. The flame retardant polyester color masterbatch with high color fastness according to claim 1, wherein the colorant is nano carbon black, phthalocyanine blue, pigment red, pigment green, the dispersant is polyethylene wax, modified wax, olefin elastomer, and the antioxidant is antioxidant 1010, antioxidant 1076, antioxidant 168.
5. The preparation method of the high-color-fastness flame-retardant polyester color master batch according to any one of claims 1 to 4, which comprises the following steps:
s1, putting the polyester chips, the flame retardant and the colorant into a vacuum drying oven according to a certain proportion, and drying for 3-5h at the temperature of 110-125 ℃;
s2, premixing the polyester chips, the flame retardant, the colorant, the dispersant and the antioxidant in a mixer to obtain a mixture;
and S3, carrying out melt blending and extrusion on the mixture by adopting a double-screw extruder, and cooling, granulating and drying to obtain the flame-retardant polyester color master batch with high color fastness.
6. The method for preparing the flame-retardant polyester color master batch with high color fastness as claimed in claim 5, wherein the water content of the polyester chip in S1 is not more than 250ppm after being dried.
7. The method for preparing the flame-retardant polyester color master batch with high color fastness as claimed in claim 5, wherein the mixing machine is a V-shaped high-speed mixer, the rotating speed of the V-shaped high-speed mixer is 40-60r/min, the mixing time is 30-60min, and the mixing temperature is 100-130 ℃.
8. The method for preparing the flame-retardant polyester color master batch with high color fastness as claimed in claim 5, wherein the extrusion speed of the twin-screw extruder is 20-50r/min, and the extrusion temperature is 220-280 ℃.
9. An application of a high-color-fastness flame-retardant polyester color master batch in preparation of flame-retardant polyester fibers.
10. The application of the flame-retardant polyester fiber as recited in claim 9, wherein the limit oxygen index of the flame-retardant polyester fiber is 27-32%, the dry and wet rubbing fastness is not less than 4 grade, the washing fading fastness is not less than 4 grade, and the washing color fastness is not less than 4 grade.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114539727A (en) * | 2021-12-31 | 2022-05-27 | 青岛润兴塑料新材料有点公司 | Special color master batch for PET matte fiber |
| CN116804113A (en) * | 2023-06-02 | 2023-09-26 | 苏州丰盈工程塑胶有限公司 | High-strength high-color-fastness polycarbonate material for embroidery needle and preparation method thereof |
-
2021
- 2021-09-13 CN CN202111069083.6A patent/CN113801441A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114539727A (en) * | 2021-12-31 | 2022-05-27 | 青岛润兴塑料新材料有点公司 | Special color master batch for PET matte fiber |
| CN116804113A (en) * | 2023-06-02 | 2023-09-26 | 苏州丰盈工程塑胶有限公司 | High-strength high-color-fastness polycarbonate material for embroidery needle and preparation method thereof |
| CN116804113B (en) * | 2023-06-02 | 2024-02-13 | 苏州丰盈工程塑胶有限公司 | High-strength high-color-fastness polycarbonate material for embroidery needle and preparation method thereof |
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