CN107779984B - Nano-material modified PBT spinning - Google Patents
Nano-material modified PBT spinning Download PDFInfo
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- CN107779984B CN107779984B CN201711172178.4A CN201711172178A CN107779984B CN 107779984 B CN107779984 B CN 107779984B CN 201711172178 A CN201711172178 A CN 201711172178A CN 107779984 B CN107779984 B CN 107779984B
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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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- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Artificial Filaments (AREA)
- Multicomponent Fibers (AREA)
Abstract
The invention provides a nano material modified PBT spinning, which comprises, by weight, 60-90 parts of polybutylene terephthalate, 25-30 parts of a nano material and 10-15 parts of a dispersing agent, wherein the nano material is one or more of nano zinc oxide, nano aluminum oxide, nano silicon dioxide, nano titanium dioxide, a nano silver antibacterial agent and nano tin antimony oxide; the dispersing agent is one or more of sodium tripolyphosphate, sodium hexametaphosphate, sodium pyrophosphate, triethylhexyl phosphoric acid, sodium dodecyl sulfate, methylpentanol, propylene glycol, butanediol, p-propylene glycol, and polyethylene glycol 200 or 400. The nanometer material modified PBT spinning yarn obtained by the invention has the advantages of rich and various structures, fullness, fineness and uniform level, and is as natural as growth; the powder-grabbing capacity of the nanometer material modified PBT spun yarn wool is greatly improved by more than ten times; the skin feels double soft and smooth, fine and comfortable; the elasticity, the viscosity, the transparency and other performance indexes are excellent, and the comprehensive performance is excellent.
Description
Technical Field
The invention belongs to the technical field of functional synthetic fibers, and particularly relates to a nanometer material modified PBT spinning. Background
With the increasing world population and the improvement of living standard, the demands on textiles, clothes and packaging are increasing. Because the land competition of grains and cotton is intensified day by day, natural fiber is difficult to meet the living demand of people, and synthetic fiber accounts for more and more proportion in the global fiber consumption. Compared with other synthetic fiber materials, the polyester material has higher universality, excellent physical and mechanical properties, lower raw material cost, mature industrial technology and higher single-wire production capacity, the factors enable the application of polyester (such as terylene) fibers to be more and more extensive, the demand is also increased continuously, the yield of the terylene fibers is increased from 1970 ten thousand tons in 2000 to 3450 ten thousand tons in 2010, and the increase range is large.
With the development of science and technology, the nanotechnology can realize the research and treatment of substances and materials on the nanometer scale, and realize the regulation of the substance structure in the nanometer level (1-100 nm) to prepare a new material with specific performance. The nano material has the characteristics of small size, large specific surface area, high surface energy, large surface atom proportion and the like; the method has the effects of small size effect, quantum size effect, macroscopic quantum tunneling effect, surface effect and the like; so that people have great progress in the spinning field.
PBT is a short term for polybutylene terephthalate (polybutylene terephthalate) and has been a prouder of engineering plastics. In 1979, the company of Japan emperor first introduced PBT fiber products. With the development of differential fibers, the use value of PBT as fiber is gradually recognized. The PBT fiber has the following characteristics: has good durability, dimensional stability and elasticity, and the elasticity is not influenced by humidity. The PBT fiber and the product thereof have soft hand feeling, good moisture absorption, wear resistance and fiber crimpability, excellent tensile elasticity and compression elasticity, and better elastic recovery rate than terylene. The PBT fiber has special elasticity under dry and wet conditions, the elasticity is not influenced by the temperature change of the surrounding environment, and the price is far lower than that of spandex fiber. The dye has good dyeing property, and can be boiled and dyed at normal pressure by using common disperse dyes without a carrier; the dyed fiber has bright color, excellent color fastness and chlorine resistance. Has excellent chemical resistance, light resistance and heat resistance.
How to effectively modify PBT by using nanotechnology to obtain more specific spinning has important research significance.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the safe and environment-friendly nano-material modified PBT spinning with rich and various structures.
On one hand, the invention provides a nano material modified PBT spinning, which comprises 60-90 parts of polybutylene terephthalate, 25-30 parts of a nano material and 10-15 parts of a dispersing agent by weight, wherein the nano material is one or more of nano zinc oxide, nano aluminum oxide, nano silicon dioxide, nano titanium dioxide, a nano silver antibacterial agent and nano tin antimony oxide; the dispersing agent is one or more of sodium tripolyphosphate, sodium hexametaphosphate, sodium pyrophosphate, triethylhexyl phosphoric acid, sodium dodecyl sulfate, methylpentanol, propylene glycol, butanediol, p-propylene glycol, and polyethylene glycol 200 or 400.
Further, the nano material is a mixture of nano tin antimony oxide, nano titanium dioxide and nano silicon dioxide, and the mass ratio of the nano tin antimony oxide to the nano titanium dioxide to the nano silicon dioxide is 1-5: 1-5.
Furthermore, the particle size of the nano material is 20-80 nm.
Further, the dispersing agent is a mixture of sodium tripolyphosphate and polyethylene glycol 200, and the mass ratio of the sodium tripolyphosphate to the polyethylene glycol 200 is 1: 20-50.
Further, the dispersing agent is a mixture of propylene glycol/butanediol/p-propylene glycol; the mass ratio of the propylene glycol to the butanediol to the propylene glycol is 1-5: 1-5.
Furthermore, the diameter of the nanometer material modified PBT spinning is 0.04-0.2 mm, the monofilament strength is more than or equal to 2.5cn/dtex, the elongation at break is 20-40%, and the limiting oxygen index is 25-40%.
Further, the nanometer material modified PBT spinning is prepared by the following method:
step 1) uniformly mixing the nano material, adding the nano material and polybutylene terephthalate (PBT) into a high-speed stirrer, and stirring to form a mixed state that the nano material is uniformly adsorbed on the surface of the PBT;
and 2) adding the substance in the mixed state in the step 1) and a dispersing agent into a screw extruder, fusing, uniformly dissolving, extruding and cooling to obtain the nano material modified PBT spinning.
Furthermore, the particle size of the mixed substance in the step 1) is 100-150 nm.
Furthermore, the length-diameter ratio of a screw of the screw extruder is 30-40: 1, the rotating speed of the screw is 100-250 r/min, and the temperature of the screw is 200-300 ℃.
The addition of the dispersing agent enables the nano material to be dispersed in the polybutylene terephthalate more uniformly, and the crystallization performance of the fiber can be optimized in the subsequent spinning process, so that the plumpness and the fineness of the spinning are improved, and the spinning strength is improved. The adoption of the nano material can ensure that the structure of the nano material modified PBT spinning is full and fine, the layering is uniform, the viscosity of the polybutylene terephthalate is improved, and the transparency and the elasticity of the spinning are ensured.
Has the advantages that:
the invention provides a nanometer material modified PBT spinning, the obtained nanometer material modified PBT spinning has rich and various structures, is full, fine and dense, has uniform layers, and grows naturally; the powder-grabbing capacity of the nanometer material modified PBT spun yarn wool is greatly improved by more than several times;
the skin feels double soft and smooth, fine and comfortable; various high-quality and personalized subsequent processing process requirements are effectively supported, and the method is efficient and convenient; the performance indexes such as elasticity, viscosity, transparency and the like are excellent, and the comprehensive performance is excellent;
the technology has wide promotion space and can continuously develop a plurality of functional development; the PBT modified structure spinning is safe, environment-friendly and rich and various in structure.
Drawings
FIG. 1 is an electron microscope image of a conventional PBT spinning;
FIG. 2 is an electron microscope image of the nanomaterial-modified PBT prepared by the preferred embodiment of the present invention spun.
Detailed Description
The present invention will be further described with reference to the following specific examples, but the present invention is not limited to the following examples. Those skilled in the art can modify the process parameters appropriately to achieve the desired results with reference to the disclosure herein. It is expressly intended that all such similar substitutes and modifications apparent to those skilled in the art are deemed to be within the scope and ambit of the invention. While the methods and applications of this invention have been described in terms of preferred embodiments, it will be apparent to those of ordinary skill in the art that variations and modifications in the methods and applications described herein, as well as other suitable variations and combinations, may be made to implement and use the techniques of this invention without departing from the spirit and scope of the invention.
Example 1
The nanometer material modified PBT spinning comprises 60 parts by weight of polybutylene terephthalate, 30 parts by weight of nanometer material and 10 parts by weight of dispersing agent, wherein the nanometer material is prepared from nanometer tin antimony oxide, nanometer titanium dioxide and nanometer silicon dioxide in a mass ratio of 1:1: 1; the dispersing agent is sodium tripolyphosphate/polyethylene glycol 200 with the mass ratio of 1: 20.
The preparation process comprises the following steps:
uniformly stirring and mixing polybutylene terephthalate and nano materials in a high-speed stirrer to form a mixed state that the nano materials are uniformly adsorbed on the surface of PBT, wherein the particle size is 100 nm; adding the mixed raw materials and a dispersing agent into a screw extruder, wherein the length-diameter ratio of a screw of the screw extruder is 40:1, the rotating speed of the screw is 100r/min, the temperature of the screw is 300 ℃, and performing extrusion spinning through the screw extruder; and cooling by adopting an air blower at the normal temperature, wherein the cooling length is 8m, primary drawing and secondary drawing are carried out on the cooled monofilaments at the temperature of 300 ℃, the total drawing ratio is 2-3 times, and the drawn monofilaments are wound and collected.
The diameter of the prepared nano material modified PBT spinning is 0.04-0.2 mm, the monofilament strength is more than or equal to 2.5cn/dtex, the elongation at break is 20-40%, and the limiting oxygen index is 25-40%. The electron micrograph is shown in FIG. 2 a.
Example 2
The nanometer material modified PBT spinning comprises 60 parts by weight of polybutylene terephthalate, 30 parts by weight of nanometer material and 10 parts by weight of dispersing agent, wherein the nanometer material is a mixture of nanometer tin antimony oxide, nanometer titanium dioxide and nanometer silicon dioxide in a mass ratio of 1:5: 5; the dispersing agent is a mixture of sodium tripolyphosphate/polyethylene glycol 200 in a mass ratio of 1: 50.
The preparation process comprises the following steps:
uniformly stirring and mixing polybutylene terephthalate and nano materials in a high-speed stirrer to form a mixed state that the nano materials are uniformly adsorbed on the surface of PBT, wherein the particle size is 150 nm; adding the mixed raw materials and a dispersing agent into a screw extruder, wherein the length-diameter ratio of a screw of the screw extruder is 30:1, the rotating speed of the screw is 250r/min, the temperature of the screw is 200 ℃, and performing extrusion spinning through the screw extruder; liquid cooling is adopted for cooling, the temperature is 0-10 ℃, the cooling length is 2-3 m, the cooled monofilaments are subjected to primary drawing and secondary drawing, the temperature is 200 ℃, the total drawing ratio is 5-6 times, and the drawn monofilaments are wound to take up filaments.
The diameter of the prepared nano material modified PBT spinning is 0.04-0.2 mm, the monofilament strength is more than or equal to 2.5cn/dtex, the elongation at break is 20-40%, and the limiting oxygen index is 25-40%. The electron micrograph is shown in FIG. 2 b.
Example 3
A nanometer material modified PBT spinning comprises 65 parts by weight of polybutylene terephthalate, 25 parts by weight of a nanometer material and 10 parts by weight of a dispersing agent, wherein the nanometer material is a mixture of nanometer tin antimony oxide, nanometer titanium dioxide and nanometer silicon dioxide in a mass ratio of 5:1: 1; the dispersing agent is a mixture of sodium tripolyphosphate/polyethylene glycol 200 in a mass ratio of 1: 30.
The preparation process comprises the following steps:
uniformly stirring and mixing polybutylene terephthalate and nano materials in a high-speed stirrer to form a mixed state that the nano materials are uniformly adsorbed on the surface of PBT, wherein the particle size is 150 nm; adding the mixed raw materials and a dispersing agent into a screw extruder, wherein the length-diameter ratio of a screw of the screw extruder is 35:1, the rotating speed of the screw is 200r/min, the temperature of the screw is 250 ℃, and performing extrusion spinning through the screw extruder; and cooling by adopting liquid at the temperature of 0-10 ℃ and the cooling length of 7-8 m, performing primary and secondary drawing on the cooled monofilaments at the temperature of 250 ℃ and the total drawing ratio of 4-5 times, and winding the drawn monofilaments.
The diameter of the prepared nano material modified PBT spinning is 0.04-0.2 mm, the monofilament strength is more than or equal to 2.5cn/dtex, the elongation at break is 20-40%, and the limiting oxygen index is 25-40%. The electron micrograph is shown in FIG. 2 c.
Example 4
The nanometer material modified PBT spinning comprises 60 parts by weight of polybutylene terephthalate, 25 parts by weight of a nanometer material and 15 parts by weight of a dispersing agent, wherein the nanometer material is a mixture of nanometer tin antimony oxide, nanometer titanium dioxide and nanometer silicon dioxide in a mass ratio of 3:1: 1; the dispersing agent is a mixture of propylene glycol/butanediol/p-propylene glycol in a mass ratio of 1:5: 5.
The preparation process comprises the following steps:
uniformly stirring and mixing polybutylene terephthalate and nano materials in a high-speed stirrer to form a mixed state that the nano materials are uniformly adsorbed on the surface of PBT, wherein the particle size is 120 nm; adding the mixed raw materials and a dispersing agent into a screw extruder, wherein the length-diameter ratio of a screw of the screw extruder is 35:1, the rotating speed of the screw is 150r/min, the temperature of the screw is 275 ℃, and performing extrusion spinning through the screw extruder; liquid cooling is adopted for cooling, the temperature is 0-10 ℃, the cooling length is 7-8 m, the cooled monofilaments are subjected to primary drawing and secondary drawing, the temperature is 250 ℃, the total drawing ratio is 4-5 times, and the drawn monofilaments are wound to obtain filaments.
The diameter of the prepared nano material modified PBT spinning is 0.04-0.2 mm, the monofilament strength is more than or equal to 2.5cn/dtex, the elongation at break is 20-40%, and the limiting oxygen index is 25-40%. The electron micrograph is shown in FIG. 2 d.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The nanometer material modified PBT spinning is characterized by comprising, by weight, 60-90 parts of polybutylene terephthalate, 25-30 parts of a nanometer material and 10-15 parts of a dispersing agent,
the nano material is a mixture of nano tin antimony oxide, nano titanium dioxide and nano silicon dioxide, and the mass ratio of the nano tin antimony oxide to the nano titanium dioxide to the nano silicon dioxide is 1-5: 1-5;
the dispersing agent is a mixture of sodium tripolyphosphate/polyethylene glycol 200, and the mass ratio of the sodium tripolyphosphate to the polyethylene glycol 200 is 1: 20-50.
2. The nanomaterial-modified PBT spin of claim 1,
the particle size of the nano material is 20-80 nm.
3. The nanomaterial-modified PBT spun yarn according to claim 1, wherein the nanomaterial-modified PBT spun yarn has a diameter of 0.04-0.2 mm, a monofilament strength of 2.5cn/dtex or more, an elongation at break of 20-40%, and a limiting oxygen index of 25-40%.
4. The nanomaterial-modified PBT spin of claim 1, wherein the nanomaterial-modified PBT spin is prepared by a method comprising: step 1) uniformly mixing the nano material, adding the nano material and polybutylene terephthalate (PBT) into a high-speed stirrer, and stirring to form a mixed state that the nano material is uniformly adsorbed on the surface of the PBT;
and 2) adding the substance in the mixed state in the step 1) and a dispersing agent into a screw extruder, fusing, uniformly dissolving, extruding and cooling to obtain the nano material modified PBT spinning.
5. The nanomaterial-modified PBT spin of claim 4, wherein the particle size of the substance in the mixed state in step 1) is 100-150 nm.
6. The nanomaterial-modified PBT spinning yarn according to claim 4, wherein the screw length-diameter ratio of the screw extruder is 30-40: 1, the screw rotation speed is 100-250 r/min, and the screw temperature is 200-300 ℃.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230109186A1 (en) * | 2021-10-05 | 2023-04-06 | Star Lace Co., Ltd. | Yarn and fabric with nano-powder mixture |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111334892A (en) * | 2020-04-07 | 2020-06-26 | 湖南翰坤实业有限公司 | Modified material with self-cleaning function |
| CN111235669A (en) * | 2020-04-07 | 2020-06-05 | 湖南翰坤实业有限公司 | Modified spinning material with self-cleaning function |
| CN114000225A (en) * | 2021-10-08 | 2022-02-01 | 仪征市星海化纤有限公司 | Preparation process of PBT (polybutylene terephthalate) heat-preservation polyamide high stretch yarn |
| CN115467043B (en) * | 2022-09-20 | 2023-09-05 | 无锡市兴盛新材料科技有限公司 | High-elasticity PBT-POY (polybutylene terephthalate-polyethylene terephthalate) matte fiber material and manufacturing method thereof |
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| CN102719931A (en) * | 2012-06-28 | 2012-10-10 | 东华大学 | Preparation method of functionalized polyester fiber |
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