CN110577656A - preparation method of high-concentration high-color-fastness master batch - Google Patents
preparation method of high-concentration high-color-fastness master batch Download PDFInfo
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- CN110577656A CN110577656A CN201910889519.2A CN201910889519A CN110577656A CN 110577656 A CN110577656 A CN 110577656A CN 201910889519 A CN201910889519 A CN 201910889519A CN 110577656 A CN110577656 A CN 110577656A
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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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- 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
- D01F1/04—Pigments
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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
- D01F1/06—Dyes
-
- 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
- D01F1/10—Other agents for modifying properties
-
- 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
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- 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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/222—Magnesia, i.e. magnesium oxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2265—Oxides; Hydroxides of metals of iron
- C08K2003/2272—Ferric oxide (Fe2O3)
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/28—Nitrogen-containing compounds
- C08K2003/282—Binary compounds of nitrogen with aluminium
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
Abstract
the invention discloses a preparation method of a high-concentration high-color-fastness master batch, which comprises the following steps: 1) the raw materials are taken according to the parts by weight: 8-20 parts of PET, 0-50 parts of PBT, 0-50 parts of a coloring agent, 0.2-2 parts of an ultraviolet absorber, 0.2-2 parts of a light stabilizer, 6-20 parts of a bean jelly, 1-3 parts of a composite toughening agent, 0.2-1 part of an antioxidant, 0.3-1.5 parts of a dispersing agent and 0.5-1.2 parts of a rheology modifier; 2) slicing PET and PBT in the raw materials, crushing and drying; 3) fully stirring and uniformly mixing the dried powder and other components in the raw materials; 4) and putting the obtained mixture into a double-screw extruder for extrusion granulation. The master batch colorant prepared by the invention has high concentration, improves the dye uptake and color fastness of the fiber, and has good weather resistance and good instant cool feeling function.
Description
Technical Field
the invention relates to a preparation method of a master batch with high concentration and high color fastness.
background
with the gradual improvement of the quality requirements of people on textiles, the environmental protection and the functionality become two major aspects which are increasingly valued by people, the traditional textiles cannot meet the requirements of the modern market, and the research and development of functional fibers become the main development direction of the modern fibers. At present, color functional fibers or textiles are mostly obtained by printing and dyeing and functional after-finishing, but the method has the problems of high energy consumption, much wastewater, non-lasting functionality and the like. At present, the addition of color master batches and functional master batches is also useful for endowing fibers with different colors and functions. The master batch is used, so that the problems can be effectively solved, the process is simple, and the environmental pollution is less. However, the toner concentration of the master batch in the prior art is low, the final coloring effect of the product is directly determined, and the prepared fiber has low color content, poor heat migration resistance and poor washing fastness. And when spinning the PET fiber with the deep-dyed color function, the spinnability is poor, the broken ends of the floating filaments are more, the service cycle of a spinning assembly is short, and the replacement is frequent.
disclosure of Invention
The invention aims to provide a preparation method of master batch with high concentration and high color fastness, and the prepared master batch has high colorant concentration, improves the dye uptake and the color fastness of fibers, and has good weather resistance and good instant cool feeling function.
In order to achieve the purpose, the technical scheme of the invention is to design a preparation method of a high-concentration high-color-fastness master batch, which comprises the following steps:
1) the raw materials are taken according to the parts by weight:
8-20 parts of PET (polyethylene terephthalate),
0 to 50 parts of PBT (polybutylene terephthalate),
0 to 50 parts of a coloring agent,
0.2 to 2 parts of an ultraviolet absorber,
0.2 to 2 parts of light stabilizer,
6 to 20 portions of cool powder,
1-3 parts of a composite toughening agent,
0.2 to 1 portion of antioxidant,
0.3 to 1.5 portions of dispersant,
0.5 to 1.2 portions of rheology modifier,
wherein the intrinsic viscosity of the PET is 0.66-0.82dL/g, and the intrinsic viscosity of the PBT is 0.82-1.0 dL/g.
2) slicing PET and PBT in raw materials, crushing to obtain powder with the particle size of 25-40 meshes, and performing vacuum drying on the obtained powder at the drying temperature of 80-105 ℃, the vacuum degree of less than or equal to-0.08 MPa and the drying time of 6-12 hours;
3) putting the dried powder and other components in the raw materials into a high-speed mixer, and stirring for 5-15min to obtain a mixture, wherein the rotating speed of the high-speed mixer is 500-1000 rpm;
4) putting the obtained mixture into a double-screw extruder, fully plasticizing the uniformly mixed material in a double screw, shearing and dispersing the uniformly mixed material by a dispersing element in the double screw, extruding the uniformly mixed material through a round hole die, cooling the uniformly mixed material in a water tank, drawing the uniformly mixed material into a granulator, and cutting the cylindrical particles with the length of 3mm +/-1 mm and the diameter of 2.5mm +/-1.5 mm, wherein the double-screw extruder is provided with a vacuumizing device, the length-diameter ratio of the double-screw extruder is not less than 40:1, and the process temperature during extrusion is 145-200 ℃.
preferably, the intrinsic viscosity of the PET is 0.82dL/g, and the intrinsic viscosity of the PBT is 1.0 dL/g.
preferably, the cool feeling powder is one or a mixture of several of nano jade powder, aluminum nitride powder and silicon carbide powder.
preferably, the antioxidant is one or a mixture of more of aromatic amine antioxidant, hindered phenol antioxidant, phosphite antioxidant and thioester antioxidant.
Preferably, the dispersant is one or a mixture of more of polyester hyper-dispersant with active groups, active grafted silicone dispersant and acrylate dispersant.
Preferably, the following raw materials are taken according to parts by weight:
8.65 parts of PET, wherein the PET is polyethylene terephthalate,
37 parts of PBT (polybutylene terephthalate),
34 parts of a coloring agent, namely,
0.3 part of an ultraviolet light absorber,
0.3 part of a light stabilizer, based on the total weight of the composition,
16 parts of a cold feeling powder, namely,
1 part of a composite toughening agent, namely,
0.25 part of an antioxidant, and the like,
1.5 parts of a dispersing agent, namely,
1 part of a rheology modifier.
the invention has the advantages and beneficial effects that: the master batch prepared by the method has high colorant concentration, high fiber dye uptake and color fastness, good weather resistance and good instant cool feeling function.
the invention is characterized in that: according to the invention, the prepared master batch has a cool feeling function by adding the nano cool feeling powder; and the synergistic effect among the light stabilizer, the ultraviolet light absorber and the antioxidant in the master batch can greatly slow down the light degradation, and is beneficial to prolonging the service life of the product. In addition, the invention determines the optimal content of each component in the raw materials through a large number of experiments to finally prepare the high-concentration high-color-fastness master batch, the high-concentration high-color-fastness master batch prepared by the invention is handed over to a chemical fiber factory, fibers with different specifications can be spun by mixing the master batch with PET slices according to the addition proportion (5% -6%) provided by people by using the existing spinning equipment, and the breaking strength of the prepared fibers is more than or equal to 3.0 cN/dtex. And the difficulty of the subsequent spinning process is solved, the requirement of the color depth of the fiber is met, the physical index of the fiber is ensured, the phenomena of yarn floating and end breakage in the spinning process are greatly reduced, the smooth completion of the spinning process is ensured, and the service cycle of the spinning assembly is prolonged.
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:
A preparation method of a high-concentration high-color-fastness master batch comprises the following steps:
1) the raw materials are taken according to the parts by weight:
8.65 parts of PET, wherein the PET is polyethylene terephthalate,
37 parts of PBT (polybutylene terephthalate),
34 parts of a coloring agent, namely,
0.3 part of an ultraviolet light absorber,
0.3 part of a light stabilizer, based on the total weight of the composition,
16 parts of a cold feeling powder, namely,
1 part of a composite toughening agent, namely,
0.25 part of an antioxidant, and the like,
1.5 parts of a dispersing agent, namely,
1 part of a rheology modifier, and (c),
wherein the intrinsic viscosity of the PET is 0.82dL/g, and the intrinsic viscosity of the PBT is 1.0 dL/g.
2) Slicing PET and PBT in raw materials, crushing to obtain powder with the particle size of 25-40 meshes, and performing vacuum drying on the obtained powder at the drying temperature of 80-105 ℃, the vacuum degree of less than or equal to-0.08 MPa and the drying time of 6-12 hours;
3) putting the dried powder and other components in the raw materials into a high-speed mixer, and stirring for 5-15min to obtain a mixture, wherein the rotating speed of the high-speed mixer is 500-1000 rpm;
4) Putting the obtained mixture into a double-screw extruder, fully plasticizing the uniformly mixed material in a double screw, shearing and dispersing the uniformly mixed material by a dispersing element in the double screw, extruding the uniformly mixed material through a round hole die, cooling the uniformly mixed material in a water tank, drawing the uniformly mixed material into a granulator, and cutting the cylindrical particles with the length of 3mm +/-1 mm and the diameter of 2.5mm +/-1.5 mm, wherein the double-screw extruder is provided with a vacuumizing device, the length-diameter ratio of the double-screw extruder is not less than 40:1, and the process temperature during extrusion is 145-200 ℃.
the cool powder is one or a mixture of several of nano jade powder, aluminum nitride powder and silicon carbide powder.
the antioxidant is one or more of aromatic amine antioxidant, hindered phenol antioxidant, phosphite antioxidant, and thioester antioxidant.
the dispersant is one or a mixture of more of polyester hyper-dispersant with active groups, active grafted organosilicon dispersant and acrylate dispersant.
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 method of a high-concentration high-color-fastness master batch is characterized by comprising the following steps:
1) the raw materials are taken according to the parts by weight:
8-20 parts of PET (polyethylene terephthalate),
0 to 50 parts of PBT (polybutylene terephthalate),
0 to 50 parts of a coloring agent,
0.2 to 2 parts of an ultraviolet absorber,
0.2 to 2 parts of light stabilizer,
6 to 20 portions of cool powder,
1-3 parts of a composite toughening agent,
0.2 to 1 portion of antioxidant,
0.3 to 1.5 portions of dispersant,
0.5 to 1.2 portions of rheology modifier,
wherein the intrinsic viscosity of the PET is 0.66-0.82dL/g, and the intrinsic viscosity of the PBT is 0.82-1.0 dL/g;
2) Slicing PET and PBT in raw materials, crushing to obtain powder with the particle size of 25-40 meshes, and performing vacuum drying on the obtained powder at the drying temperature of 80-105 ℃, the vacuum degree of less than or equal to-0.08 MPa and the drying time of 6-12 hours;
3) Putting the dried powder and other components in the raw materials into a high-speed mixer, and stirring for 5-15min to obtain a mixture, wherein the rotating speed of the high-speed mixer is 500-1000 rpm;
4) Putting the obtained mixture into a double-screw extruder, fully plasticizing the uniformly mixed material in a double screw, shearing and dispersing the uniformly mixed material by a dispersing element in the double screw, extruding the uniformly mixed material through a round hole die, cooling the uniformly mixed material in a water tank, drawing the uniformly mixed material into a granulator, and cutting the cylindrical particles with the length of 3mm +/-1 mm and the diameter of 2.5mm +/-1.5 mm, wherein the double-screw extruder is provided with a vacuumizing device, the length-diameter ratio of the double-screw extruder is not less than 40:1, and the process temperature during extrusion is 145-200 ℃.
2. the method for preparing the high-concentration high-color-fastness masterbatch according to claim 1, wherein the intrinsic viscosity of the PET is 0.82dL/g, and the intrinsic viscosity of the PBT is 1.0 dL/g.
3. the preparation method of the high-concentration high-color-fastness master batch according to claim 2, wherein the cool feeling powder is one or a mixture of several of nano jade powder, aluminum nitride powder and silicon carbide powder.
4. the method for preparing the high-concentration high-color-fastness master batch according to claim 3, wherein the antioxidant is one or a mixture of aromatic amine antioxidant, hindered phenol antioxidant, phosphite antioxidant and thioester antioxidant.
5. the method for preparing the high-concentration high-color-fastness master batch according to claim 4, wherein the dispersing agent is one or a mixture of more of polyester hyperdispersant with active groups, active grafted silicone dispersing agent and acrylate dispersing agent.
6. The preparation method of the high-concentration high-color-fastness master batch according to claim 5, which is characterized by taking the following raw materials in parts by weight:
8.65 parts of PET, wherein the PET is polyethylene terephthalate,
37 parts of PBT (polybutylene terephthalate),
34 parts of a coloring agent, namely,
0.3 part of an ultraviolet light absorber,
0.3 part of a light stabilizer, based on the total weight of the composition,
16 parts of a cold feeling powder, namely,
1 part of a composite toughening agent, namely,
0.25 part of an antioxidant, and the like,
1.5 parts of a dispersing agent, namely,
1 part of a rheology modifier.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104845242A (en) * | 2014-12-18 | 2015-08-19 | 王妮娜 | Antibacterial masterbatch for PTT polyester and preparation method thereof |
| CN107964223A (en) * | 2017-12-09 | 2018-04-27 | 苏州宝力塑胶材料有限公司 | A kind of deep bright red color fibre high-concentration color masterbatch of dye and preparation method thereof |
| CN109401218A (en) * | 2017-08-17 | 2019-03-01 | 天津莱维服饰有限公司 | A kind of heat discoloration Masterbatch and preparation method for polyester fiber |
-
2019
- 2019-09-20 CN CN201910889519.2A patent/CN110577656A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104845242A (en) * | 2014-12-18 | 2015-08-19 | 王妮娜 | Antibacterial masterbatch for PTT polyester and preparation method thereof |
| CN109401218A (en) * | 2017-08-17 | 2019-03-01 | 天津莱维服饰有限公司 | A kind of heat discoloration Masterbatch and preparation method for polyester fiber |
| CN107964223A (en) * | 2017-12-09 | 2018-04-27 | 苏州宝力塑胶材料有限公司 | A kind of deep bright red color fibre high-concentration color masterbatch of dye and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 赵晓敏: ""凉感聚酰胺6纤维的制备及性能评价"", 《中国优秀博硕士学位论文全文数据库（硕士） 工程科技I辑》 * |
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