CN110512434B - Continuous cool fabric and manufacturing method thereof - Google Patents
Continuous cool fabric and manufacturing method thereof Download PDFInfo
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- CN110512434B CN110512434B CN201910750588.5A CN201910750588A CN110512434B CN 110512434 B CN110512434 B CN 110512434B CN 201910750588 A CN201910750588 A CN 201910750588A CN 110512434 B CN110512434 B CN 110512434B
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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
-
- 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
- D01F1/106—Radiation shielding agents, e.g. absorbing, reflecting agents
-
- 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
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0015—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using fibres of specified chemical or physical nature, e.g. natural silk
- D06N3/0036—Polyester fibres
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
- D06N3/146—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes characterised by the macromolecular diols used
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
- D06N3/147—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes characterised by the isocyanates used
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/04—Properties of the materials having electrical or magnetic properties
- D06N2209/043—Insulating
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/14—Properties of the materials having chemical properties
- D06N2209/141—Hydrophilic
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/14—Properties of the materials having chemical properties
- D06N2209/143—Inert, i.e. inert to chemical degradation, corrosion resistant
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/16—Properties of the materials having other properties
- D06N2209/1628—Dimensional stability
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/16—Properties of the materials having other properties
- D06N2209/1635—Elasticity
Abstract
The invention relates to the technical field of cool fabrics, in particular to a continuous cool fabric and a manufacturing method thereof, wherein the continuous cool fabric comprises a fabric base layer woven by cool terylene and a water-based polyurethane coating coated on the surface of the fabric base layer, and the cool terylene comprises the following raw materials in parts by weight: 100 parts of polyester chips, 12-16 parts of mica powder, 2-6 parts of antioxidant, 1-5 parts of ultraviolet absorbent and 8-10 parts of lubricant. The cool polyester fiber doped with the mica powder is adopted in the invention, and has the characteristics of firmness, durability, good elasticity, difficult deformation, corrosion resistance, insulation, stiffness, smoothness and the like, and meanwhile, the moisture conductivity of the cool polyester fiber is relatively less influenced by the mica powder due to the low moisture absorption performance, so that the fabric has the effect of continuous cool feeling.
Description
Technical Field
The invention relates to the technical field of cool fabrics, in particular to a continuous cool fabric and a manufacturing method thereof.
Background
With the continuous improvement of living standard, people have higher and higher requirements on the functionality and the comfort of the clothes. The fabric is hot in weather, a body is very easy to sweat, most of sweat is removed through evaporation, wiping and underwear adsorption, so that the fabric is very necessary for moisture absorption and sweat removal, and the cool fiber is also used as required.
The cool fiber is a new term of textile materials at present, and means a fiber which can prevent discomfort when wet and is excellent in cool touch. The principle is that a medium with low heat absorption speed and high heat dissipation speed in nature is added into carriers such as terylene, chinlon, regenerated cellulose fiber and the like, and the woven fabric has excellent cool feeling at the moment of contacting with the skin. At present, the novel cool fiber like Softcool has started to be applied to sports and leisure clothes, and is also concerned in the field of home textile.
For example, CN103614796A discloses a method for producing cool honeycomb fiber, which comprises adding high thermal conductivity nano silicon carbide powder into mother particles or pulp of honeycomb fiber according to a weight ratio of 1-2%, stirring uniformly, and flashing to form filaments to obtain honeycomb fiber. The invention relates to a technical method for improving the cooling effect of honeycomb fibers by changing the heat-conducting property of thermal-resistance reinforced fibers of the honeycomb fibers by using silicon carbide and the like, and high-heat-conduction nano silicon carbide powder is added into the honeycomb fibers according to the proportion of about 1-2 percent, so that the heat conductivity of the fibers can be improved to 2.0-3.8 from the original 0.1, and the heat conductivity is improved by 20-40 times. This document also mentions that one key point is: the cooling sensation depends on the combined action of thermal resistance and moisture resistance. Therefore, in the case of the same fiber fineness, the fiber filled with the heat conductive material has better heat dissipation than that of the fiber not filled with the heat conductive material, but the filler formed in the fiber body hinders the water transport of the fiber, thereby reducing the diffusion of water into the fiber and reducing the moisture conductivity of the fiber. Therefore, the cool fiber exhibits an inverse ratio of thermal conductivity and moisture conductivity depending on the proportion of the filler, i.e., the better the thermal conductivity, the worse the moisture conductivity.
Disclosure of Invention
In order to overcome the defects and shortcomings in the prior art, the invention aims to provide the continuous cool feeling fabric with moisture conductivity and heat conductivity and the manufacturing method thereof.
The purpose of the invention is realized by the following technical scheme:
the continuous cool fabric comprises a fabric base layer woven by cool terylene and a water-based polyurethane coating coated on the surface of the fabric base layer, wherein the cool terylene comprises the following raw materials in parts by weight:
the cool polyester fiber doped with the mica powder is adopted in the invention, and has the characteristics of firmness, durability, good elasticity, difficult deformation, corrosion resistance, insulation, stiffness, smoothness and the like, and the moisture conductivity of the cool polyester fiber is relatively less influenced by the mica powder due to the low moisture absorption performance of the cool polyester fiber. The invention solves the problem of poor moisture conductivity of the polyester fiber, does not pay attention to the property of the fiber, but pay attention to the structure of the fabric. The moisture conductivity of the fabric is influenced by the moisture absorption of single fibers and the moisture transmission efficiency among the fibers, and the problem is not noticed yet. According to the invention, the surface of the fabric is coated with the water-based polyurethane coating, so that the water-based polyurethane can enable single polyester fibers to form efficient physical connection, and moisture can be diffused through the polyurethane coating, thereby improving the moisture diffusion efficiency among the fibers.
The coating treatment of the waterborne polyurethane coating is different from the hydrophilic finishing of common polyester fibers, the polyester has poor hygroscopicity but not poor moisture conductivity, the hydrophilic finishing of the polyester refers to that the hydrophilic finishing agent is bonded with the surface of the polyester so that the surface has hydrophilic groups, the dyne value of the surface of the polyester is changed so that the polyester is easily soaked by water, and then the polyester is diffused and evaporated in the polyester, so that the moisture absorption and removal performance is improved. The waterborne polyurethane coating of the invention also has the effect of polyester surface modification, and can improve the moisture absorption rate of polyester fibers by the same mechanism, but the improvement degree is not as good as that of the common organosilicon hydrophilic finishing agent from the aspect of the mechanism. The more important function of the waterborne polyurethane coating is to form physical bridges among single fibers, so that moisture can span among the single fibers through the polyurethane coating, thereby greatly improving the moisture diffusion efficiency, namely the moisture conductivity.
Wherein the mica powder has a sheet diameter of 8-12 μm and a sheet thickness of 0.5-1.5 μm.
Wherein the antioxidant consists of an antioxidant 1010 and an antioxidant 168 according to the weight ratio of 1: 1.
Wherein the ultraviolet absorbent is one or more of salicylate absorbent, benzotriazole absorbent and hindered amine absorbent.
Wherein, the lubricant is one or more of zinc stearate, calcium stearate and talcum powder.
The preparation method of the cool polyester comprises the following steps: mixing the raw materials for forming the cool polyester, feeding the mixture into a screw extruder for melting, then spraying the mixture through spinneret orifices on a spinneret plate, cooling the mixture by air, and then performing an elasticizing process to obtain the cool polyester.
The manufacturing method of the continuous cool feeling fabric comprises the following steps:
(1) adding 100 parts by weight of polytetramethylene glycol, 40-50 parts by weight of toluene diisocyanate and 0.1-0.5 part by weight of organic tin catalyst into a round-bottom flask, heating to 80-120 ℃, and keeping the reaction for 3-4 hours to prepare a polyurethane prepolymer;
(2) adding 40-60 parts by weight of organic solvent and 10-20 parts by weight of hydrophilic chain extender into the polyurethane prepolymer, reacting at the temperature of 50-60 ℃ for 2-3h, and then adding 100 parts by weight of water and 1-2 parts by weight of silane coupling agent to prepare the waterborne polyurethane coating;
(3) weaving the cool terylene into a fabric base layer, soaking the fabric base layer into the waterborne polyurethane coating according to the bath ratio of 1:10-12 for 30-60min, taking out the cool terylene, and drying in an oven at 60-80 ℃ to obtain the continuous cool fabric.
The properties of the aqueous polyurethane coating are varied, and not all aqueous polyurethane coatings can meet the requirements of the present invention. Therefore, the invention provides a waterborne polyurethane coating and a method for coating the waterborne polyurethane coating on a fabric base layer, namely a manufacturing method of a continuous cool fabric. The water-based polyurethane coating prepared by the method can improve the hydrophilicity of the fiber surface, fill the gaps among the fibers and effectively improve the moisture transmission efficiency among the fibers, thereby obviously improving the moisture absorption of the polyester fibers and solving the problem of poor moisture absorption of cool polyester.
Wherein the organic tin catalyst is dibutyltin dilaurate.
Wherein the hydrophilic chain extender is composed of 1, 4-butanediol-2-sodium sulfonate and trimethylolpropane polyethylene glycol monomethyl ether according to the weight ratio of 1-2: 1.
Wherein the organic solvent is one of ethyl acetate, acetone N-methyl pyrrolidone and dimethylformamide, and the silane coupling agent is KH 550.
The invention has the beneficial effects that: the cool polyester fiber doped with the mica powder is adopted in the invention, and has the characteristics of firmness, durability, good elasticity, difficult deformation, corrosion resistance, insulation, stiffness, smoothness and the like, and the moisture conductivity of the cool polyester fiber is relatively less influenced by the mica powder due to the low moisture absorption performance of the cool polyester fiber. The invention solves the problem of poor moisture conductivity of the polyester fiber, does not pay attention to the property of the fiber, but pay attention to the structure of the fabric. The moisture conductivity of the fabric is influenced by the moisture absorption of single fibers and the moisture transmission efficiency among the fibers, and the problem is not noticed yet. According to the invention, the surface of the fabric is coated with the water-based polyurethane coating, so that the water-based polyurethane can enable single polyester fibers to form efficient physical connection, and moisture can be diffused through the polyurethane coating, thereby improving the moisture diffusion efficiency among the fibers.
Detailed Description
The present invention will be further described with reference to the following examples for facilitating understanding of those skilled in the art, and the description of the embodiments is not intended to limit the present invention.
Example 1
The continuous cool fabric comprises a fabric base layer woven by cool terylene and a water-based polyurethane coating coated on the surface of the fabric base layer, wherein the cool terylene comprises the following raw materials in parts by weight:
in other alternative embodiments, the mica powder can be used in 12, 13, 15 and 16 parts, the antioxidant can be used in 2, 3, 5 and 6 parts, the ultraviolet absorbent can be used in 1, 2, 4 and 5 parts, and the lubricant can be used in 8 and 10 parts, which are adjusted according to the required properties of the polyester fiber.
Wherein the mica powder has a sheet diameter of 10 μm and a sheet thickness of 1 μm. In other alternative embodiments, the mica powder may have a sheet diameter of 8, 9, 11, 12 μm and a sheet thickness of 0.5, 0.7, 1.2, 1.5 μm, which is adjusted according to the required properties of the polyester fiber.
Wherein the antioxidant consists of an antioxidant 1010 and an antioxidant 168 according to the weight ratio of 1: 1. In other alternative embodiments, the antioxidant may be one or more of erythorbic acid, vitamin E, antioxidant 1010, and antioxidant 168.
Wherein the ultraviolet absorbent is salicylate absorbent. In other alternative embodiments, the ultraviolet light absorber may be one or more of a salicylate-based absorber, a benzotriazole-based absorber, and a hindered amine-based absorber.
Wherein the lubricant is zinc stearate. In other alternative embodiments, the lubricant is one or more of zinc stearate, calcium stearate, and talc.
The preparation method of the cool polyester comprises the following steps: mixing the raw materials for forming the cool polyester, feeding the mixture into a screw extruder for melting, then spraying the mixture through spinneret orifices on a spinneret plate, cooling the mixture by air, and then performing an elasticizing process to obtain the cool polyester.
The manufacturing method of the continuous cool feeling fabric comprises the following steps:
(1) adding 100 parts by weight of polytetramethylene glycol, 45 parts by weight of toluene diisocyanate and 0.3 part by weight of organic tin catalyst into a round-bottom flask, heating to 100 ℃, and keeping the mixture to react for 3.5 hours to obtain a polyurethane prepolymer;
(2) adding 50 parts by weight of organic solvent and 15 parts by weight of hydrophilic chain extender into the polyurethane prepolymer, reacting at the temperature of 55 ℃ for 2.5 hours, and then adding 100 parts by weight of water and 1.5 parts by weight of silane coupling agent to prepare the waterborne polyurethane coating;
(3) weaving the cool terylene into a fabric base layer, soaking the fabric base layer into the waterborne polyurethane coating according to the bath ratio of 1:11 for 45min, taking out the cool terylene, and drying in a 70 ℃ oven to obtain the continuous cool fabric.
Wherein the organic tin catalyst is dibutyltin dilaurate.
Wherein the hydrophilic chain extender is composed of 1, 4-butanediol-2-sodium sulfonate and trimethylolpropane polyethylene glycol monomethyl ether according to the weight ratio of 1.5: 1.
Wherein the organic solvent is N-methyl pyrrolidone, and the silane coupling agent is KH 550.
Example 2
This example differs from example 1 in that:
the manufacturing method of the continuous cool feeling fabric comprises the following steps:
(1) adding 100 parts by weight of polytetramethylene glycol, 40 parts by weight of toluene diisocyanate and 0.1 part by weight of organic tin catalyst into a round-bottom flask, heating to 80 ℃, and keeping the reaction for 4 hours to obtain a polyurethane prepolymer;
(2) adding 40 parts by weight of organic solvent and 10 parts by weight of hydrophilic chain extender into the polyurethane prepolymer, reacting for 3 hours at the temperature of 50 ℃, and then adding 100 parts by weight of water and 1 part by weight of silane coupling agent to prepare the waterborne polyurethane coating;
(3) weaving the cool terylene into a fabric base layer, soaking the fabric base layer in the waterborne polyurethane coating according to a bath ratio of 1:10 for 30-60min, taking out the cool terylene, and drying in a drying oven at 60 ℃ to obtain the continuous cool fabric.
Example 3
This example differs from example 1 in that:
the manufacturing method of the continuous cool feeling fabric comprises the following steps:
(1) adding 100 parts by weight of polytetramethylene glycol, 50 parts by weight of toluene diisocyanate and 0.5 part by weight of organic tin catalyst into a round-bottom flask, heating to 120 ℃, and keeping the mixture to react for 3 hours to obtain a polyurethane prepolymer;
(2) adding 60 parts by weight of organic solvent and 20 parts by weight of hydrophilic chain extender into the polyurethane prepolymer, reacting for 2 hours at the temperature of 60 ℃, and then adding 100 parts by weight of water and 2 parts by weight of silane coupling agent to prepare the waterborne polyurethane coating;
(3) weaving the cool terylene into a fabric base layer, soaking the fabric base layer in the waterborne polyurethane coating according to a bath ratio of 1:12 for 60min, taking out the cool terylene, and drying in an oven at 80 ℃ to obtain the continuous cool fabric.
Comparative example 1
The base layer of the fabric woven from cool polyester of example 1 was not surface treated.
Comparative example 2
The difference from example 1 is that:
the cool polyester fiber is conventionally finished by an organic silicon hydrophilic finishing agent, and then is woven into a fabric base layer without polyurethane coating treatment.
Comparative example 3
The difference from example 1 is that:
and (3) soaking the cool polyester fibers in the waterborne polyurethane coating by the same method, drying, and weaving into the fabric.
Comparative example 4
The difference from example 1 is that:
the fabric base layer is finished by the organic silicon hydrophilic finishing agent without polyurethane coating treatment.
The test of thermal and wet resistance was carried out according to ISO11092:2004 on the fabrics of example 1 and of comparative examples 1 to 3, with the following results:
| thermal resistance (10)-3k*m2*W-1) | Wet resistance (Pa x m)2*W-1) | |
| Example 1 | 9.883 | 4.416 |
| Comparative example 1 | 9.117 | 5.557 |
| Comparative example 2 | 9.682 | 5.358 |
| Comparative example 3 | 10.152 | 5.424 |
| Comparative example 4 | 9.674 | 5.211 |
From the comparison of the above table, the heat-conducting property of the fabric is slightly affected by the polyurethane coating treatment or the modification treatment of the organic silicon hydrophilic finishing agent on the fabric base layer, and the heat-conducting property is remarkably reduced by the polyurethane coating treatment on the fibers, because the polyurethane coating has relatively poor heat conductivity, the influence is more obvious under the condition that no bridging structure is formed between the fibers; similarly, after the cool polyester fiber is coated with polyurethane, the moisture conductivity is improved and is not better than that of the fabric finished by the organic silicon hydrophilic finishing agent.
The above-described embodiments are preferred implementations of the present invention, and the present invention may be implemented in other ways without departing from the spirit of the present invention.
Claims (8)
1. A manufacturing method of a continuous cool feeling fabric is characterized by comprising the following steps: the method comprises the following steps:
(1) adding 100 parts by weight of polytetramethylene glycol, 40-50 parts by weight of toluene diisocyanate and 0.1-0.5 part by weight of organic tin catalyst into a round-bottom flask, heating to 80-120 ℃, and keeping the reaction for 3-4 hours to prepare a polyurethane prepolymer;
(2) adding 40-60 parts by weight of organic solvent and 10-20 parts by weight of hydrophilic chain extender into the polyurethane prepolymer, reacting at the temperature of 50-60 ℃ for 2-3h, and then adding 100 parts by weight of water and 1-2 parts by weight of silane coupling agent to prepare the waterborne polyurethane coating;
(3) mixing the raw materials for forming the cool polyester, feeding the mixture into a screw extruder for melting, then spraying the mixture through spinneret orifices on a spinneret plate, cooling the mixture by air, and then performing an elasticizing process to obtain the cool polyester;
the cool polyester fiber comprises the following raw materials in parts by weight:
polyester chip 100 parts
12-16 parts of mica powder
2-6 parts of antioxidant
1-5 parts of ultraviolet absorbent
8-10 parts of a lubricant;
the sheet diameter of the mica powder is 8-12 μm, and the sheet thickness is 0.5-1.5 μm;
(4) weaving the cool terylene into a fabric base layer, soaking the fabric base layer into the waterborne polyurethane coating according to the bath ratio of 1:10-12 for 30-60min, taking out the cool terylene, and drying in an oven at 60-80 ℃ to obtain the continuous cool fabric.
2. The manufacturing method of the continuous cool feeling fabric according to claim 1, characterized in that: the antioxidant consists of an antioxidant 1010 and an antioxidant 168 according to the weight ratio of 1: 1.
3. The manufacturing method of the continuous cool feeling fabric according to claim 1, characterized in that: the ultraviolet absorbent is one or more of salicylate absorbent, benzotriazole absorbent and hindered amine absorbent.
4. The manufacturing method of the continuous cool feeling fabric according to claim 1, characterized in that: the lubricant is one or more of zinc stearate, calcium stearate and talcum powder.
5. The manufacturing method of the continuous cool feeling fabric according to claim 1, characterized in that: the organic tin catalyst is dibutyltin dilaurate.
6. The manufacturing method of the continuous cool feeling fabric according to claim 1, characterized in that: the hydrophilic chain extender is composed of 1, 4-butanediol-2-sodium sulfonate and trimethylolpropane polyethylene glycol monomethyl ether according to the weight ratio of 1-2: 1.
7. The manufacturing method of the continuous cool feeling fabric according to claim 1, characterized in that: the organic solvent is one of ethyl acetate, acetone, N-methyl pyrrolidone and dimethyl formamide, and the silane coupling agent is KH 550.
8. The utility model provides a last cool sense surface fabric which characterized in that: is prepared by the preparation method of any one of claims 1 to 7.
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|---|---|---|---|---|
| CN101481876B (en) * | 2008-01-31 | 2012-05-09 | 东莞市恩典皮具制品有限公司 | Aqueous polyurethane emulsion for synthetic leather and preparation thereof |
| CN102031581B (en) * | 2009-09-25 | 2012-08-29 | 上海德福伦化纤有限公司 | Method for producing super-refreshing cool-feel health care polyester fiber |
| CN103898626B (en) * | 2014-02-20 | 2016-08-17 | 中润科技股份有限公司 | There is polyester fiber and the manufacture method thereof of heat conduction wet guiding function |
| CN106400158B (en) * | 2016-09-19 | 2018-12-07 | 海盐县桃源化纤有限公司 | A kind of ventilative and antistatic with the cool feeling polyester filament and preparation method thereof of moisture absorption |
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2019
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