CN114000225A - Preparation process of PBT (polybutylene terephthalate) heat-preservation polyamide high stretch yarn - Google Patents
Preparation process of PBT (polybutylene terephthalate) heat-preservation polyamide high stretch yarn Download PDFInfo
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- CN114000225A CN114000225A CN202111172540.4A CN202111172540A CN114000225A CN 114000225 A CN114000225 A CN 114000225A CN 202111172540 A CN202111172540 A CN 202111172540A CN 114000225 A CN114000225 A CN 114000225A
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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
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/14—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
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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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- 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
- D01F1/103—Agents inhibiting growth of microorganisms
Abstract
The invention discloses a preparation process of PBT heat-preservation polyamide high stretch yarn, which comprises the following steps: s1: preparing materials: preparing the following raw materials in parts by weight: 15-19 parts of PBT polyester, 7-11 parts of glass fiber, 10-14 parts of hemp fiber, 5-9 parts of soybean fiber, 9-13 parts of nano silver particles, 12-16 parts of polyester high-elastic yarn, 15-19 parts of core-spun yarn, 18-22 parts of lithium bromide, 2-6 parts of a coloring agent, 3-7 parts of dimethyl diamide and 16-20 parts of an antioxidant; s2: mixing treatment: adding PBT polyester, glass fiber, hemp fiber, soybean fiber, nano silver particles, polyester high stretch yarn and core-spun yarn into a stirrer for stirring treatment to obtain a mixture I; s3: heating: and heating the first mixture, and sequentially adding lithium bromide, dimethyl diamide and an antioxidant in the heating process. The PBT heat-insulating polyamide high-stretch yarn disclosed by the invention is good in heat-insulating effect, high in elasticity, long in service life, and good in antibacterial property and wear resistance.
Description
Technical Field
The invention relates to the technical field of spinning, in particular to a preparation process of PBT (polybutylene terephthalate) heat-preservation polyamide high stretch yarn.
Background
PBT is short for polybutylene terephthalate, and the PBT high stretch yarn has excellent elastic recovery performance and elastic stability, is better than nylon in elasticity, better in chemical resistance than spandex, high in dyeing fastness, good in size stability, anti-pilling and antistatic, and far lower in price than the spandex, can be widely applied to knitting and weaving fabrics, can replace the spandex to produce coated yarns, and is used for fabrics of high-grade sportswear, swimwear and casual wear. The PBT high stretch yarn has wide application prospect in the fields of sanitary materials, clothes and the like, and is a new product with competitiveness in the future elastic fiber market.
The existing PBT heat-preservation polyamide high-stretch yarn has large fiber gaps, unobvious heat-preservation effect, low elasticity, short service life and poor antibacterial property and wear resistance, so that the preparation process of the PBT heat-preservation polyamide high-stretch yarn is provided for solving the problems.
Disclosure of Invention
Based on the technical problems of large gaps among PBT heat-insulating polyamide high-stretch yarns, unobvious heat-insulating effect, low elasticity, short service life and poor antibacterial property and wear resistance in the background art, the invention provides a preparation process of the PBT heat-insulating polyamide high-stretch yarns.
The invention provides a preparation process of PBT heat-preservation chinlon high stretch yarn, which comprises the following steps:
s1: preparing materials: preparing the following raw materials in parts by weight: 15-19 parts of PBT polyester, 7-11 parts of glass fiber, 10-14 parts of hemp fiber, 5-9 parts of soybean fiber, 9-13 parts of nano silver particles, 12-16 parts of polyester high-elastic yarn, 15-19 parts of core-spun yarn, 18-22 parts of lithium bromide, 2-6 parts of a coloring agent, 3-7 parts of dimethyl diamide and 16-20 parts of an antioxidant;
s2: mixing treatment: adding PBT polyester, glass fiber, hemp fiber, soybean fiber, nano silver particles, polyester high stretch yarn and core-spun yarn into a stirrer for stirring treatment to obtain a mixture I;
s3: heating: heating the mixture I, sequentially adding lithium bromide, dimethyl diamide and an antioxidant in the heating process, and stirring in the heating process to obtain a mixture II;
s4: dyeing treatment: adding a coloring agent into the mixture II, uniformly stirring, and then carrying out heat preservation treatment to obtain a mixture III;
s5: spinning treatment: spinning the mixture III to obtain PBT heat-insulating nylon high-stretch yarns;
s6: and (3) detection: and detecting the heat insulation performance and the elastic performance of the obtained PBT heat insulation chinlon high stretch yarn, and counting the detection result.
Preferably, in S2, the rotation speed of the stirrer is set to 400-600r/min, the stirring time is set to 15-25min, and the stirring is performed at normal temperature.
Preferably, in S3, the heating temperature is set to 180-220 ℃, and the rotation speed during the stirring process is set to 60-100 r/min.
Preferably, in the S4, the dyeing time is set to be 30-50min, and the dyeing temperature is set to be 150-170 ℃.
Preferably, in S4, the temperature of the mixture is set to 120-140 ℃ and the holding time is set to 80-100 min.
Preferably, in S5, the mixture iii is spun by a spinning machine.
Preferably, in S5, the room temperature during the spinning process is set to 26-30 ℃.
Preferably, in S6, the statistical result is analyzed.
The invention has the beneficial effects that:
(1) the preparation process of the PBT heat-preservation polyamide high-stretch yarn comprises the steps of firstly adding PBT polyester, glass fiber, hemp fiber, soybean fiber, nano-silver particles, polyester high-stretch yarn and core-spun yarn into a stirrer to be stirred to obtain a mixture I, then adding lithium bromide, dimethyl diamide and an antioxidant into the mixture I, stirring and heating the mixture I, then heating and dyeing the mixture, and finally carrying out spinning treatment, wherein the preparation process is simple, the fiber gap is small, the heat preservation performance of the PBT heat-preservation polyamide high-stretch yarn can be effectively improved, and the elasticity is high;
(2) according to the preparation process of the PBT heat-preservation nylon high-elastic yarn, the wear resistance of the PBT heat-preservation nylon high-elastic yarn is effectively improved through the added core-spun yarn and the added glass fiber;
(3) according to the preparation process of the PBT heat-preservation nylon high-elastic yarn, the antibacterial performance of the PBT heat-preservation nylon high-elastic yarn is effectively improved through the added nano silver particles and the added dimethyl diamide;
(4) according to the preparation process of the PBT heat-insulation nylon high-elastic yarn, the heat-insulation performance and the elasticity performance of the PBT heat-insulation nylon high-elastic yarn are tested, so that the heat-insulation performance and the elasticity performance of the PBT heat-insulation nylon high-elastic yarn can be visually observed.
Detailed Description
The present invention will be further illustrated with reference to the following specific examples.
Example one
The embodiment provides a preparation process of PBT heat-preservation chinlon high stretch yarn, which comprises the following steps:
s1: preparing materials: preparing the following raw materials in parts by weight: 15 parts of PBT polyester, 7 parts of glass fiber, 10 parts of hemp fiber, 5 parts of soybean fiber, 9 parts of nano silver particles, 12 parts of polyester high-elastic yarn, 15 parts of core-spun yarn, 18 parts of lithium bromide, 2 parts of a coloring agent, 3 parts of dimethyl diamide and 16 parts of an antioxidant;
s2: mixing treatment: adding PBT polyester, glass fiber, hemp fiber, soybean fiber, nano silver particles, polyester high stretch yarn and core-spun yarn into a stirrer for stirring treatment to obtain a mixture I;
s3: heating: heating the mixture I, sequentially adding lithium bromide, dimethyl diamide and an antioxidant in the heating process, and stirring in the heating process to obtain a mixture II;
s4: dyeing treatment: adding a coloring agent into the mixture II, uniformly stirring, and then carrying out heat preservation treatment to obtain a mixture III;
s5: spinning treatment: spinning the mixture III to obtain PBT heat-insulating nylon high-stretch yarns;
s6: and (3) detection: and detecting the heat insulation performance and the elastic performance of the obtained PBT heat insulation chinlon high stretch yarn, and counting the detection result.
In this embodiment, in S2, the rotation speed of the stirrer is set to 400r/min, the stirring time is set to 15min, stirring is performed at normal temperature, in S3, the heating temperature is set to 180 ℃, the rotation speed in the stirring process is set to 60r/min, in S4, the dyeing time is set to 30min, the dyeing temperature is set to 150 ℃, in S4, the temperature of the mixture three during heat preservation is set to 120 ℃, the heat preservation time is set to 80min, in S5, the spinning machine is used to spin the mixture three, in S5, the room temperature in the spinning process is set to 26 ℃, and in S6, statistical results are analyzed.
Example two
The embodiment provides a preparation process of PBT heat-preservation chinlon high stretch yarn, which comprises the following steps:
s1: preparing materials: preparing the following raw materials in parts by weight: 16 parts of PBT polyester, 8 parts of glass fiber, 11 parts of hemp fiber, 6 parts of soybean fiber, 10 parts of nano silver particles, 13 parts of polyester high-elastic yarn, 16 parts of core-spun yarn, 19 parts of lithium bromide, 3 parts of a coloring agent, 4 parts of dimethyl diamide and 17 parts of an antioxidant;
s2: mixing treatment: adding PBT polyester, glass fiber, hemp fiber, soybean fiber, nano silver particles, polyester high stretch yarn and core-spun yarn into a stirrer for stirring treatment to obtain a mixture I;
s3: heating: heating the mixture I, sequentially adding lithium bromide, dimethyl diamide and an antioxidant in the heating process, and stirring in the heating process to obtain a mixture II;
s4: dyeing treatment: adding a coloring agent into the mixture II, uniformly stirring, and then carrying out heat preservation treatment to obtain a mixture III;
s5: spinning treatment: spinning the mixture III to obtain PBT heat-insulating nylon high-stretch yarns;
s6: and (3) detection: and detecting the heat insulation performance and the elastic performance of the obtained PBT heat insulation chinlon high stretch yarn, and counting the detection result.
In this embodiment, in S2, the rotation speed of the stirrer is set to 450r/min, the stirring time is set to 17min, stirring is performed at normal temperature, in S3, the heating temperature is set to 190 ℃, the rotation speed in the stirring process is set to 70r/min, in S4, the dyeing time is set to 35min, the dyeing temperature is set to 155 ℃, in S4, the temperature of the mixture three during heat preservation is set to 125 ℃, the heat preservation time is set to 85min, in S5, the spinning machine is used to spin the mixture three, in S5, the room temperature in the spinning process is set to 27 ℃, and in S6, statistical results are analyzed.
EXAMPLE III
The embodiment provides a preparation process of PBT heat-preservation chinlon high stretch yarn, which comprises the following steps:
s1: preparing materials: preparing the following raw materials in parts by weight: 17 parts of PBT polyester, 9 parts of glass fiber, 12 parts of hemp fiber, 7 parts of soybean fiber, 11 parts of nano silver particles, 14 parts of polyester high-elastic yarn, 17 parts of core-spun yarn, 20 parts of lithium bromide, 4 parts of coloring agent, 5 parts of dimethyl diamide and 18 parts of antioxidant;
s2: mixing treatment: adding PBT polyester, glass fiber, hemp fiber, soybean fiber, nano silver particles, polyester high stretch yarn and core-spun yarn into a stirrer for stirring treatment to obtain a mixture I;
s3: heating: heating the mixture I, sequentially adding lithium bromide, dimethyl diamide and an antioxidant in the heating process, and stirring in the heating process to obtain a mixture II;
s4: dyeing treatment: adding a coloring agent into the mixture II, uniformly stirring, and then carrying out heat preservation treatment to obtain a mixture III;
s5: spinning treatment: spinning the mixture III to obtain PBT heat-insulating nylon high-stretch yarns;
s6: and (3) detection: and detecting the heat insulation performance and the elastic performance of the obtained PBT heat insulation chinlon high stretch yarn, and counting the detection result.
In this embodiment, in S2, the rotation speed of the stirrer is set to 500r/min, the stirring time is set to 20min, stirring is performed at normal temperature, in S3, the heating temperature is set to 200 ℃, the rotation speed in the stirring process is set to 80r/min, in S4, the dyeing time is set to 40min, the dyeing temperature is set to 160 ℃, in S4, the temperature of the mixture three during heat preservation is set to 130 ℃, the heat preservation time is set to 90min, in S5, the spinning machine is used to spin the mixture three, in S5, the room temperature in the spinning process is set to 28 ℃, and in S6, statistical results are analyzed.
Example four
The embodiment provides a preparation process of PBT heat-preservation chinlon high stretch yarn, which comprises the following steps:
s1: preparing materials: preparing the following raw materials in parts by weight: 18 parts of PBT polyester, 10 parts of glass fiber, 13 parts of hemp fiber, 8 parts of soybean fiber, 12 parts of nano silver particles, 15 parts of polyester high-elastic yarn, 18 parts of core-spun yarn, 21 parts of lithium bromide, 5 parts of a coloring agent, 6 parts of dimethyl diamide and 19 parts of an antioxidant;
s2: mixing treatment: adding PBT polyester, glass fiber, hemp fiber, soybean fiber, nano silver particles, polyester high stretch yarn and core-spun yarn into a stirrer for stirring treatment to obtain a mixture I;
s3: heating: heating the mixture I, sequentially adding lithium bromide, dimethyl diamide and an antioxidant in the heating process, and stirring in the heating process to obtain a mixture II;
s4: dyeing treatment: adding a coloring agent into the mixture II, uniformly stirring, and then carrying out heat preservation treatment to obtain a mixture III;
s5: spinning treatment: spinning the mixture III to obtain PBT heat-insulating nylon high-stretch yarns;
s6: and (3) detection: and detecting the heat insulation performance and the elastic performance of the obtained PBT heat insulation chinlon high stretch yarn, and counting the detection result.
In this embodiment, in S2, the rotation speed of the stirrer is set to 550r/min, the stirring time is set to 23min, stirring is performed at normal temperature, in S3, the heating temperature is set to 210 ℃, the rotation speed in the stirring process is set to 90r/min, in S4, the dyeing time is set to 45min, the dyeing temperature is set to 165 ℃, in S4, the temperature of the mixture three during heat preservation is set to 135 ℃, the heat preservation time is set to 95min, in S5, the spinning machine is used to spin the mixture three, in S5, the room temperature in the spinning process is set to 29 ℃, and in S6, statistical results are analyzed.
EXAMPLE five
The embodiment provides a preparation process of PBT heat-preservation chinlon high stretch yarn, which comprises the following steps:
s1: preparing materials: preparing the following raw materials in parts by weight: 19 parts of PBT polyester, 11 parts of glass fiber, 14 parts of hemp fiber, 9 parts of soybean fiber, 13 parts of nano silver particles, 16 parts of polyester high-elastic yarn, 19 parts of core-spun yarn, 22 parts of lithium bromide, 6 parts of coloring agent, 7 parts of dimethyl diamide and 20 parts of antioxidant;
s2: mixing treatment: adding PBT polyester, glass fiber, hemp fiber, soybean fiber, nano silver particles, polyester high stretch yarn and core-spun yarn into a stirrer for stirring treatment to obtain a mixture I;
s3: heating: heating the mixture I, sequentially adding lithium bromide, dimethyl diamide and an antioxidant in the heating process, and stirring in the heating process to obtain a mixture II;
s4: dyeing treatment: adding a coloring agent into the mixture II, uniformly stirring, and then carrying out heat preservation treatment to obtain a mixture III;
s5: spinning treatment: spinning the mixture III to obtain PBT heat-insulating nylon high-stretch yarns;
s6: and (3) detection: and detecting the heat insulation performance and the elastic performance of the obtained PBT heat insulation chinlon high stretch yarn, and counting the detection result.
In this embodiment, in S2, the rotation speed of the stirrer is set to 600r/min, the stirring time is set to 25min, stirring is performed at normal temperature, in S3, the heating temperature is set to 220 ℃, the rotation speed in the stirring process is set to 100r/min, in S4, the dyeing time is set to 50min, the dyeing temperature is set to 170 ℃, in S4, the temperature of the mixture three during heat preservation is set to 140 ℃, the heat preservation time is set to 100min, in S5, the spinning machine is used to spin the mixture three, in S5, the room temperature in the spinning process is set to 30 ℃, and in S6, statistical results are analyzed.
By adopting the PBT heat-insulating nylon high-elastic yarn manufactured in the first embodiment to the fifth embodiment, the heat-insulating performance and the elastic performance of the PBT heat-insulating nylon high-elastic yarn are detected in the step S6, the PBT heat-insulating nylon high-elastic yarn is heated to 50 ℃, then the time for cooling the PBT heat-insulating nylon high-elastic yarn to 30 ℃ is recorded, the PBT heat-insulating nylon high-elastic yarn is stretched until the PBT heat-insulating nylon high-elastic yarn is broken, and the breaking elongation is recorded:
the result shows that the PBT heat-insulating polyamide high-stretch yarn prepared by the method has good heat-insulating property and good elastic property, and the third embodiment is the best embodiment.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A preparation process of PBT heat-preservation chinlon high stretch yarn is characterized by comprising the following steps:
s1: preparing materials: preparing the following raw materials in parts by weight: 15-19 parts of PBT polyester, 7-11 parts of glass fiber, 10-14 parts of hemp fiber, 5-9 parts of soybean fiber, 9-13 parts of nano silver particles, 12-16 parts of polyester high-elastic yarn, 15-19 parts of core-spun yarn, 18-22 parts of lithium bromide, 2-6 parts of a coloring agent, 3-7 parts of dimethyl diamide and 16-20 parts of an antioxidant;
s2: mixing treatment: adding PBT polyester, glass fiber, hemp fiber, soybean fiber, nano silver particles, polyester high stretch yarn and core-spun yarn into a stirrer for stirring treatment to obtain a mixture I;
s3: heating: heating the mixture I, sequentially adding lithium bromide, dimethyl diamide and an antioxidant in the heating process, and stirring in the heating process to obtain a mixture II;
s4: dyeing treatment: adding a coloring agent into the mixture II, uniformly stirring, and then carrying out heat preservation treatment to obtain a mixture III;
s5: spinning treatment: spinning the mixture III to obtain PBT heat-insulating nylon high-stretch yarns;
s6: and (3) detection: and detecting the heat insulation performance and the elastic performance of the obtained PBT heat insulation chinlon high stretch yarn, and counting the detection result.
2. The preparation process of the PBT heat-insulating polyamide high-stretch yarn as claimed in claim 1, wherein in S2, the rotation speed of a stirrer is set to 400-600r/min, the stirring time is set to 15-25min, and stirring is carried out at normal temperature.
3. The preparation process of the PBT heat-insulating polyamide high-stretch yarn as claimed in claim 1, wherein in the step S3, the heating temperature is set to 180-220 ℃, and the rotating speed in the stirring process is set to 60-100 r/min.
4. The preparation process of the PBT heat-preservation polyamide high-stretch yarn as claimed in claim 1, wherein in the step S4, the dyeing time is set to 30-50min, and the dyeing temperature is set to 150-170 ℃.
5. The preparation process of the PBT heat-insulating polyamide high-stretch yarn as claimed in claim 1, wherein in S4, the temperature of the mixture is set to 120-140 ℃ and the heat-insulating time is set to 80-100 min.
6. The preparation process of the PBT heat-insulating polyamide high-stretch yarn as claimed in claim 1, wherein in S5, a spinning machine is used for spinning the mixture III.
7. The preparation process of the PBT heat-insulating polyamide high-stretch yarn as claimed in claim 1, wherein in the S5, the room temperature in the spinning process is set to be 26-30 ℃.
8. The preparation process of the PBT heat-insulating polyamide high-elastic yarn according to claim 1, wherein in S6, a statistical result is analyzed.
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