CN111155223B - Preparation method of high-strength flame-retardant fabric - Google Patents
Preparation method of high-strength flame-retardant fabric Download PDFInfo
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- CN111155223B CN111155223B CN202010025730.2A CN202010025730A CN111155223B CN 111155223 B CN111155223 B CN 111155223B CN 202010025730 A CN202010025730 A CN 202010025730A CN 111155223 B CN111155223 B CN 111155223B
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
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- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
- D02G3/04—Blended or other yarns or threads containing components made from different materials
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- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/44—Yarns or threads characterised by the purpose for which they are designed
- D02G3/443—Heat-resistant, fireproof or flame-retardant yarns or threads
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- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
- D03D15/513—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads heat-resistant or fireproof
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Abstract
The invention belongs to the technical field of textile fabrics, and particularly relates to a preparation method of a high-strength flame-retardant fabric. According to the invention, the modified fiber is added in the spinning process, the modified fiber takes spandex as a basic raw material, the surface of the spandex is modified by using a mixture, so that the hydrophobic property of the spandex can be improved, the combination degree with other fibers can be improved, the fire resistance of the fiber is enhanced, the flame retardance is increased, the spandex is placed in a soaking solution for soaking after being spun, the ammonium polyphosphate is modified by using a modifier in the soaking solution, the hydrophobicity of the ammonium polyphosphate is improved, the combination with the fabric is increased, the flame retardance is increased, the ammonium polyphosphate can be compounded with a penetrating agent and better soaked into the fabric, the flame retardance is increased, the ammonium polyphosphate is reacted by using an additive, the strength of the ammonium polyphosphate is increased by attaching to the surface of the fabric, and the excellent flame retardance effect can be achieved in the heating process.
Description
Technical Field
The invention belongs to the technical field of textile fabrics, and particularly relates to a preparation method of a high-strength flame-retardant fabric.
Background
The terylene fabric is a chemical fiber fabric which is frequently used in daily life, and is widely used in the fields of clothing home textiles and the like due to excellent crease resistance, shape retention, quick drying property, chemical resistance, mildew resistance, moth resistance and the like. However, the polyester fabric is easily melted and flammable when encountering fire, the clothes can form broken holes when encountering sparks, and the clothes can cause scald when being careless; under low temperature environment, the terylene is easy to age and split.
At present, fabrics adopted in some special service fields, such as hotels and restaurants, are often rubbed for many times, but are easy to damage after the washing times are increased.
In the case of camouflage clothes, the main function of the camouflage clothes is to prevent and reduce the damage of the natural environment and war to human body during combat, training or dangerous outdoor activities, so that the camouflage clothes need to realize the combination of multiple functions, especially flame retardance and high strength (breaking strength). For the fabric with composite flame-retardant and high-strength functions, the finished yarn of the fabric adopts the glass fiber with the flame-retardant function, and the glass fiber generally adopts the core-spun process, so the fabric has the defects that the serviceability of the glass fiber is extremely poor, and the fiber seeps out in the long-term use process, so that a user can feel itchy throughout; in addition, most of the glass fibers are thick, which is not beneficial to mass production in the later period; or the finished yarn blended by the high-strength nylon short fiber and the flame retardant is selected, but tests prove that the flame retardant grade of the finished yarn does not exceed C level, and the requirements are difficult to meet.
With the improvement of living standard, people have higher and higher requirements on various functions of the fabric, and the traditional fabric with the flame-retardant fabric only has a single function; therefore, the existing common fabric cannot better serve people and lacks of stereoscopic impression, so that the actual needs of people cannot be met; improvements are needed.
However, fire sometimes happens at present, and sometimes the common fabric becomes a fire source; therefore, people especially need a flame-retardant fabric with high strength, high temperature resistance and low temperature resistance to replace the original fabric.
Disclosure of Invention
The invention aims to solve the technical problem that the flame retardant effect of the conventional fabric is poor, and provides a preparation method of a high-strength flame retardant fabric.
In order to solve the technical problems, the invention adopts the following technical scheme:
a preparation method of a high-strength flame-retardant fabric comprises the following steps:
(1) uniformly mixing 80-85 parts of acrylic fibers, 20-25 parts of cotton fibers and 6-9 parts of modified fibers in parts by weight, and sequentially opening, cleaning, carding, drawing, roving, spinning, spooling, steaming, doubling, double twisting and steaming to obtain yarns;
(2) warping, drafting and denting, weaving on a machine, detecting physical properties of grey cloth, repairing cloth, detecting blank, washing and drying the yarn to obtain a basic fabric;
(3) putting the base fabric into a soaking solution, heating to 80-90 ℃, boosting the pressure to 1.2-1.8 MPa, standing, taking out the soaked base fabric, and drying to obtain a primarily treated fabric;
(4) according to the weight parts, 130-150 parts of ethanol solution, 30-50 parts of primarily treated fabric, 11-13 parts of additive, 5-7 parts of penetrating agent and 1-3 parts of conditioner are uniformly stirred, glacial acetic acid is used for adjusting the pH value to 3.0, the mixture is kept stand at 50-55 ℃, the pH value is adjusted to be neutral, and the high-strength flame-retardant fabric is obtained after filtration and drying. The preparation method of the modified fiber in the step (1) comprises the steps of mixing dimethylformamide, water and spandex according to the mass ratio of 9:3: 1-3, adding a mixture with the mass of 35-40% of that of the spandex, heating, boosting, stirring, cooling, discharging, performing rotary evaporation, performing hot melting, and forming filaments to obtain the modified fiber.
The mixture is formed by mixing dimethylchlorosilane and dimethyl silicon glycol according to equal mass ratio.
The soaking solution in the step (3) is prepared by uniformly mixing ammonium polyphosphate, water and a modifier according to the mass ratio of 9:16: 1-3, stirring for reaction at 130-150 ℃ under the protection of nitrogen, and cooling.
The modifier is any one of vinyl triethoxysilane and vinyl tri (beta-methoxyethoxy) silane.
And (4) the penetrating agent in the step (4) is any one of fatty alcohol-polyoxyethylene ether and a rapid penetrating agent T.
The conditioning agent in the step (4) is chitosan.
And (4) the additive is any one of ethyl tetrasilicate and butyl titanate.
Compared with other methods, the method has the beneficial technical effects that:
according to the invention, the modified fiber is added in the spinning process, the modified fiber takes spandex as a basic raw material, the surface of the spandex is modified by using a mixture, so that the hydrophobic property of the spandex can be improved, the combination degree with other fibers can be improved, the fire resistance of the fiber is enhanced, the flame retardance is increased, the spandex is placed in a soaking solution for soaking after being spun, the ammonium polyphosphate is modified by using a modifier in the soaking solution, the hydrophobicity of the ammonium polyphosphate is improved, the combination with the fabric is increased, the flame retardance is increased, the ammonium polyphosphate can be compounded with a penetrating agent and better soaked into the fabric, the flame retardance is increased, the ammonium polyphosphate is reacted by using an additive, the strength of the ammonium polyphosphate is increased by attaching to the surface of the fabric, and the excellent flame retardance effect can be achieved in the heating process.
Detailed Description
The preparation method of the modified fiber comprises the steps of mixing dimethylformamide, water and spandex according to the mass ratio of 9:3: 1-3, adding a mixture of 35-40% of the mass of the spandex, heating to 130-135 ℃, boosting the pressure to 0.4MPa, stirring for 5 hours, cooling to room temperature, discharging, performing rotary evaporation, performing hot melting, and forming filaments to obtain the modified fiber.
The mixture is formed by mixing dimethylchlorosilane and dimethyl silicon glycol according to equal mass ratio.
The soaking solution is prepared by uniformly mixing ammonium polyphosphate, water and a modifier according to the mass ratio of 9:16: 1-3, stirring for reaction at 130-150 ℃ under the protection of nitrogen, and cooling.
The modifier is any one of vinyltriethoxysilane and vinyltris (beta-methoxyethoxy) silane. The penetrating agent is any one of fatty alcohol-polyoxyethylene ether and a rapid penetrating agent T.
The conditioning agent is chitosan.
The additive is any one of ethyl tetrasilicate and butyl titanate.
A preparation method of a high-strength flame-retardant fabric comprises the following steps:
(1) uniformly mixing 80-85 parts of acrylic fibers, 20-25 parts of cotton fibers and 6-9 parts of modified fibers in parts by weight, and sequentially opening, cleaning, carding, drawing, roving, spinning, spooling, steaming, doubling, double twisting and steaming to obtain yarns;
(2) warping, drafting and denting, weaving on a machine, detecting physical properties of grey cloth, repairing cloth, detecting blank, washing and drying the yarn to obtain a basic fabric;
(3) putting the base fabric into a soaking solution, heating to 80-90 ℃, boosting to 1.2-1.8 MPa, standing for 6h, taking out the soaked base fabric, and drying to obtain a primarily treated fabric;
(4) according to the weight parts, 130-150 parts of ethanol solution, 30-50 parts of primarily treated fabric, 11-13 parts of additive, 5-7 parts of penetrating agent and 1-3 parts of conditioner are uniformly stirred, the pH value is adjusted to 3.0 by using glacial acetic acid, the mixture is kept stand for 4-6 hours at 50-55 ℃, the pH value is adjusted to be neutral, and the high-strength flame-retardant fabric is obtained by filtering and drying.
Example 1
The preparation method of the modified fiber comprises the steps of mixing dimethylformamide, water and spandex according to the mass ratio of 9:3:3, adding a mixture of which the mass is 40% of that of the spandex, heating to 135 ℃, boosting the pressure to 0.4MPa, stirring for 5 hours, cooling to room temperature, discharging, performing rotary evaporation, performing hot melting, and forming filaments to obtain the modified fiber.
The mixture is formed by mixing dimethylchlorosilane and dimethyl silicon glycol according to equal mass ratio.
The soaking solution is prepared by uniformly mixing ammonium polyphosphate, water and a modifier according to the mass ratio of 9:16:3, stirring for reaction at 150 ℃ under the protection of nitrogen, and cooling.
The modifier is vinyl triethoxysilane.
The penetrating agent is a rapid penetrating agent T.
The conditioning agent is chitosan.
The additive is any one of ethyl tetrasilicate and butyl titanate.
A preparation method of a high-strength flame-retardant fabric comprises the following steps:
(1) according to the weight parts, 85 parts of acrylic fiber, 25 parts of cotton fiber and 9 parts of modified fiber are uniformly mixed, and opening and cleaning, cotton carding, drawing, roving, spinning, spooling, yarn steaming, doubling, double twisting and yarn steaming are sequentially carried out to obtain yarn;
(2) warping, drafting and denting, weaving on a machine, detecting physical properties of grey cloth, repairing cloth, detecting blank, washing and drying the yarn to obtain a basic fabric;
(3) putting the base fabric into the soaking solution, heating to 90 ℃, boosting the pressure to 1.8MPa, standing for 6h, taking out the soaked base fabric, and drying to obtain a primarily treated fabric;
(4) taking 150 parts of ethanol solution, 50 parts of primarily treated fabric, 13 parts of additive, 7 parts of penetrating agent and 3 parts of conditioner, uniformly stirring, adjusting the pH to 3.0 by using glacial acetic acid, standing at 55 ℃ for 6 hours, adjusting the pH to be neutral, filtering and drying to obtain the high-strength flame-retardant fabric.
Example 2
The preparation method of the modified fiber comprises the steps of mixing dimethylformamide, water and spandex according to the mass ratio of 9:3:2, adding a mixture with the mass of 38% of the spandex, heating to 133 ℃, boosting the pressure to 0.4MPa, stirring for 5 hours, cooling to room temperature, discharging, performing rotary evaporation, performing hot melting, and forming filaments to obtain the modified fiber.
The mixture is formed by mixing dimethylchlorosilane and dimethyl silicon glycol according to equal mass ratio.
The soaking solution is prepared by uniformly mixing ammonium polyphosphate, water and a modifier according to the mass ratio of 9:16:2, stirring for reaction at 140 ℃ under the protection of nitrogen, and cooling.
The modifier is vinyl tri (beta-methoxy ethoxy) silane.
The penetrating agent is fatty alcohol-polyoxyethylene ether.
The conditioning agent is chitosan.
The additive is any one of ethyl tetrasilicate and butyl titanate.
A preparation method of a high-strength flame-retardant fabric comprises the following steps:
(1) taking 83 parts of acrylic fiber, 23 parts of cotton fiber and 8 parts of modified fiber, uniformly mixing, and sequentially opening and cleaning, cotton carding, drawing, roving, spinning, spooling, yarn steaming, doubling, double twisting and yarn steaming to obtain yarns;
(2) warping, drafting and denting, weaving on a machine, detecting physical properties of grey cloth, repairing cloth, detecting blank, washing and drying the yarn to obtain a basic fabric;
(3) putting the base fabric into the soaking solution, heating to 85 ℃, boosting the pressure to 1.5MPa, standing for 6h, taking out the soaked base fabric, and drying to obtain a primarily treated fabric;
(4) according to the weight parts, 140 parts of ethanol solution, 40 parts of primarily treated fabric, 12 parts of additive, 6 parts of penetrating agent and 2 parts of conditioner are uniformly stirred, the pH value is adjusted to 3.0 by using glacial acetic acid, the mixture is kept stand at 53 ℃ for 5 hours, the pH value is adjusted to be neutral, and the high-strength flame-retardant fabric is obtained by filtering and drying.
Example 3
The preparation method of the modified fiber comprises the steps of mixing dimethylformamide, water and spandex according to the mass ratio of 9:3:1, adding a mixture of which the mass is 35% of that of the spandex, heating to 130 ℃, boosting the pressure to 0.4MPa, stirring for 5 hours, cooling to room temperature, discharging, performing rotary evaporation, performing hot melting, and forming filaments to obtain the modified fiber.
The mixture is formed by mixing dimethylchlorosilane and dimethyl silicon glycol according to equal mass ratio.
The soaking solution is prepared by uniformly mixing ammonium polyphosphate, water and a modifier according to the mass ratio of 9:16:1, stirring for reaction at 130 ℃ under the protection of nitrogen, and cooling.
The modifier is vinyl triethoxysilane.
The penetrating agent is fatty alcohol-polyoxyethylene ether.
The conditioning agent is chitosan.
The additive is ethyl tetrasilicate.
A preparation method of a high-strength flame-retardant fabric comprises the following steps:
(1) according to the weight parts, 80 parts of acrylic fiber, 20 parts of cotton fiber and 6 parts of modified fiber are uniformly mixed, and opening and cleaning, cotton carding, drawing, roving, spinning, spooling, yarn steaming, doubling, double twisting and yarn steaming are sequentially carried out to obtain yarn;
(2) warping, drafting and denting, weaving on a machine, detecting physical properties of grey cloth, repairing cloth, detecting blank, washing and drying the yarn to obtain a basic fabric;
(3) putting the base fabric into the soaking solution, heating to 80 ℃, boosting the pressure to 1.2MPa, standing for 6h, taking out the soaked base fabric, and drying to obtain a primarily treated fabric;
(4) according to the weight parts, 130 parts of ethanol solution, 30 parts of primarily treated fabric, 11 parts of additive, 5 parts of penetrating agent and 1 part of conditioner are uniformly stirred, the pH value is adjusted to 3.0 by using glacial acetic acid, the mixture is kept stand at 50 ℃ for 4 hours, the pH value is adjusted to be neutral, and the high-strength flame-retardant fabric is obtained by filtering and drying.
Comparative example 1
The soaking solution is prepared by uniformly mixing ammonium polyphosphate, water and a modifier according to the mass ratio of 9:16:2, stirring for reaction at 140 ℃ under the protection of nitrogen, and cooling.
The modifier is vinyl tri (beta-methoxy ethoxy) silane.
The penetrating agent is fatty alcohol-polyoxyethylene ether.
The conditioning agent is chitosan.
The additive is any one of ethyl tetrasilicate and butyl titanate.
A preparation method of a high-strength flame-retardant fabric comprises the following steps:
(1) taking 83 parts of acrylic fiber and 23 parts of cotton fiber, uniformly mixing, and sequentially opening and cleaning, cotton carding sliver, drawing, roving, spinning, spooling, yarn steaming, doubling, double twisting and yarn steaming to obtain yarn;
(2) warping, drafting and denting, weaving on a machine, detecting physical properties of grey cloth, repairing cloth, detecting blank, washing and drying the yarn to obtain a basic fabric;
(3) putting the base fabric into the soaking solution, heating to 85 ℃, boosting the pressure to 1.5MPa, standing for 6h, taking out the soaked base fabric, and drying to obtain a primarily treated fabric;
(4) according to the weight parts, 140 parts of ethanol solution, 40 parts of primarily treated fabric, 12 parts of additive, 6 parts of penetrating agent and 2 parts of conditioner are uniformly stirred, the pH value is adjusted to 3.0 by using glacial acetic acid, the mixture is kept stand at 53 ℃ for 5 hours, the pH value is adjusted to be neutral, and the high-strength flame-retardant fabric is obtained by filtering and drying.
Comparative example 2
The preparation method of the modified fiber comprises the steps of mixing dimethylformamide, water and spandex according to the mass ratio of 9:3:2, adding a mixture with the mass of 38% of the spandex, heating to 133 ℃, boosting the pressure to 0.4MPa, stirring for 5 hours, cooling to room temperature, discharging, performing rotary evaporation, performing hot melting, and forming filaments to obtain the modified fiber.
The mixture is formed by mixing dimethylchlorosilane and dimethyl silicon glycol according to equal mass ratio.
The modifier is vinyl tri (beta-methoxy ethoxy) silane.
The penetrating agent is fatty alcohol-polyoxyethylene ether.
The conditioning agent is chitosan.
The additive is any one of ethyl tetrasilicate and butyl titanate.
A preparation method of a high-strength flame-retardant fabric comprises the following steps:
(1) taking 83 parts of acrylic fiber, 23 parts of cotton fiber and 8 parts of modified fiber, uniformly mixing, and sequentially opening and cleaning, cotton carding, drawing, roving, spinning, spooling, yarn steaming, doubling, double twisting and yarn steaming to obtain yarns;
(2) warping, drafting and denting, weaving on a machine, detecting physical properties of grey cloth, repairing cloth, detecting blank, washing and drying the yarn to obtain a basic fabric;
(3) putting the base fabric into water, heating to 85 ℃, boosting the pressure to 1.5MPa, standing for 6h, taking out the soaked base fabric, and drying to obtain a primary treated fabric;
(4) according to the weight parts, 140 parts of ethanol solution, 40 parts of primarily treated fabric, 12 parts of additive, 6 parts of penetrating agent and 2 parts of conditioner are uniformly stirred, the pH value is adjusted to 3.0 by using glacial acetic acid, the mixture is kept stand at 53 ℃ for 5 hours, the pH value is adjusted to be neutral, and the high-strength flame-retardant fabric is obtained by filtering and drying.
The comparative examples and examples were tested and the results are given in the following table:
| tensile breaking strength/N | Duration of continuous combustion/s | Smoldering time/s | |
| Example 1 | 832 | 1.6 | 1.8 |
| Example 2 | 841 | 1.3 | 1.6 |
| Example 3 | 835 | 1.7 | 1.9 |
| Comparative example 1 | 762 | 2.6 | 2.8 |
| Comparative example 2 | 723 | 3.1 | 2.9 |
In conclusion, the high-strength flame-retardant fabric prepared by the invention has better performance.
Claims (1)
1. The preparation method of the high-strength flame-retardant fabric is characterized by comprising the following steps of:
(1) uniformly mixing 80-85 parts of acrylic fibers, 20-25 parts of cotton fibers and 6-9 parts of modified fibers in parts by weight, and sequentially opening, cleaning, carding, drawing, roving, spinning, spooling, steaming, doubling, double twisting and steaming to obtain yarns;
(2) warping, drafting and denting, weaving on a machine, detecting physical properties of grey cloth, repairing cloth, detecting blank, washing and drying the yarn to obtain a basic fabric;
(3) putting the base fabric into a soaking solution, heating to 80-90 ℃, boosting the pressure to 1.2-1.8 MPa, standing, taking out the soaked base fabric, and drying to obtain a primarily treated fabric;
(4) according to the weight parts, 130-150 parts of ethanol solution, 30-50 parts of primarily treated fabric, 11-13 parts of additive, 5-7 parts of penetrating agent and 1-3 parts of conditioner are uniformly stirred, glacial acetic acid is used for adjusting the pH value to 3.0, the mixture is kept stand at 50-55 ℃, the pH value is adjusted to be neutral, and the high-strength flame-retardant fabric is obtained after filtration and drying;
the preparation method of the modified fiber in the step (1) comprises the steps of mixing dimethylformamide, water and spandex according to the mass ratio of 9:3: 1-3, adding a mixture of which the mass is 35-40% of that of the spandex, heating, boosting, stirring, cooling, discharging, performing rotary evaporation, performing hot melting, and forming filaments to obtain the modified fiber;
the mixture is formed by mixing dimethylchlorosilane and dimethyl silicon glycol according to equal mass ratio;
the soaking solution in the step (3) is prepared by uniformly mixing ammonium polyphosphate, water and a modifier according to the mass ratio of 9:16: 1-3, stirring for reaction at 130-150 ℃ under the protection of nitrogen, and cooling;
the modifier is any one of vinyl triethoxysilane and vinyl tri (beta-methoxyethoxy) silane;
the penetrating agent in the step (4) is any one of fatty alcohol-polyoxyethylene ether and a rapid penetrating agent T;
the conditioner in the step (4) is chitosan;
the additive in the step (4) is any one of ethyl tetrasilicate and butyl titanate.
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