CN111321596A - Temperature-sensitive humidity-regulating after-finishing composition - Google Patents
Temperature-sensitive humidity-regulating after-finishing composition Download PDFInfo
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- CN111321596A CN111321596A CN201910026742.4A CN201910026742A CN111321596A CN 111321596 A CN111321596 A CN 111321596A CN 201910026742 A CN201910026742 A CN 201910026742A CN 111321596 A CN111321596 A CN 111321596A
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/327—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated alcohols or esters thereof
- D06M15/333—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated alcohols or esters thereof of vinyl acetate; Polyvinylalcohol
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/263—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/285—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acid amides or imides
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/507—Polyesters
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/32—Polyesters
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- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention provides a temperature-sensing humidity-conditioning finishing composition, which comprises a temperature-sensing response material, a hydrophilic softening agent, a bridging agent and water. The temperature-sensitive response material comprises a copolymer of polyvinyl alcohol and polyacrylamide derivatives or a copolymer of polyvinyl alcohol and polymethyl acrylate derivatives. The addition amount of the temperature sensitive response material is 16 to 80 parts by weight, the addition amount of the hydrophilic softening agent is 0.1 to 64 parts by weight, and the addition amount of the bridging agent is 2 to 8 parts by weight based on 1000 parts by weight of water.
Description
Technical Field
The invention relates to a temperature-sensing humidity-conditioning after-finishing composition, in particular to a temperature-sensing humidity-conditioning after-finishing composition containing a temperature-sensing response material.
Background
With the increasing demand for quality of life in recent years, the wearing comfort level is also an important consideration for purchasing clothes, and the functional clothes adjusted according to the temperature difference in autumn and winter, the air-conditioning environment, the temperature condition during sports sweating and the change of body temperature are a new product in the present textile market. When the textile is applied to sports apparel, the characteristics of quick drying, cool feeling, heat loss reduction and the like are provided for a user when environmental conditions are changed so as to maintain the thermal comfort of the textile. On the other hand, functional clothes must overcome the discomfort caused by the indoor/outdoor temperature difference and the requirement of working/off-duty sports, so as to become clothes suitable for various occasions throughout the day. However, the existing moisture-absorbing and sweat-releasing clothes mainly adopt passive fabric weave structure design and post-finishing processing technology (single-sided/double-sided coating), so that the defect that the temperature and humidity adjusting function is lost due to sultriness exists under the saturated humidity of sports.
Based on the above, a composition for temperature-sensing moisture-adjusting finishing processing is developed, so that after being processed, a fabric can change with the external environment temperature or body temperature to further cause a dynamic temperature and humidity adjusting reaction, thereby overcoming the defect that the existing moisture-absorbing and sweat-releasing clothes lose the temperature and humidity adjusting function due to sultriness under the exercise saturated humidity, and being an important subject of the current required research.
Disclosure of Invention
The invention provides a temperature-sensing moisture-conditioning finishing composition, which contains a temperature-sensing response material, and can effectively cause the fabric to change along with the change of the external environment temperature or body temperature so as to cause the reaction of dynamic temperature and humidity adjustment, thereby overcoming the defect that the existing moisture-absorbing and sweat-releasing clothes lose the temperature and humidity adjusting function due to sultriness under the saturated motion humidity.
The temperature-sensing humidity-conditioning finishing composition comprises a temperature-sensing response material, a hydrophilic softening agent, a bridging agent and water. The temperature-sensitive response material comprises a copolymer of polyvinyl alcohol and polyacrylamide derivatives or a copolymer of polyvinyl alcohol and polymethyl acrylate derivatives. The addition amount of the temperature sensitive response material is 16 to 80 parts by weight, the addition amount of the hydrophilic softening agent is 0.1 to 64 parts by weight, and the addition amount of the bridging agent is 2 to 8 parts by weight based on 1000 parts by weight of water.
In one embodiment of the present invention, the monomer of the polyacrylamide derivative includes N-isopropylacrylamide or N, N-diethylacrylamide.
In an embodiment of the present invention, a Lower Critical Solution Temperature (LCST) of the temperature sensitive response material is 30 ℃ to 35 ℃.
In one embodiment of the present invention, the monomer of the polymethyl acrylate derivative includes di (ethylene glycol) methyl methacrylate.
In an embodiment of the present invention, a Lower Critical Solution Temperature (LCST) of the temperature sensitive response material is 25 ℃ to 27 ℃.
In one embodiment of the present invention, the hydrophilic softener is composed of water and compounds represented by the following formulas (1) and (2):
in one embodiment of the present invention, the bridging agent includes a compound represented by the following formula (3),
R-(Z)mformula (3)
Wherein R represents a residue obtained by removing m isocyanate groups from a polyisocyanate compound having m isocyanate groups; m is an integer of 2 to 10; z are the same or different from each other, and Z is represented by the following formula (4),
in the formula (4), R1Is C1-C6 alkyl, C2-C6 alkenyl, C7-C12 aralkyl, N-substituted carbamoyl, phenyl, nitro, halogen atom or-COO-R2，R2Is a hydrogen atom or a C1-C6 alkyl group; n is an integer of 0 to 3,and when n is 2 or 3, R1The same or different from each other.
In one embodiment of the present invention, the temperature-sensitive humidity-controlling finishing composition is used for a dye vat and an impregnation-setting finishing treatment of a fabric.
In one embodiment of the invention, the material of the cloth comprises Polyester (PET).
In an embodiment of the present invention, the weight ratio of the cloth material to the water in the dye vat process is 1: 10.
based on the above, the temperature-sensing humidity-conditioning finishing composition comprises a temperature-sensing response material, a hydrophilic softening agent, a bridging agent and water, and the proportion of the temperature-sensing response material to the hydrophilic softening agent is adjusted, so that the fabric after processing can effectively generate the difference of hydrophilic and hydrophobic degrees along with the change of the external environment temperature or body temperature, and further the reaction of dynamic temperature and humidity adjustment is caused. The dynamic temperature and humidity adjustment is mainly achieved through moisture absorption and heat release and moisture desorption and heat absorption. When the temperature is reduced, the material is changed into strong hydrophilicity, the binding capacity with water is improved, the water diffusion speed is slowed, and the fabric holes are reduced due to the swelling in water, so that the air permeability is reduced. When the temperature is increased, the material becomes weakly hydrophilic, reducing the binding ability with water, thereby accelerating the diffusion of water and obtaining a cool feeling through evaporation. Therefore, the defect that the existing moisture absorption and sweat releasing clothes lose the temperature and humidity adjusting function due to sultriness under the saturated humidity of sports can be obviously improved.
In order to make the aforementioned and other features and advantages of the invention more comprehensible, embodiments accompanied with figures are described in detail below.
Detailed Description
In this context, a range denoted by "a numerical value to another numerical value" is a general expression avoiding a recitation of all numerical values in the range in the specification. Thus, recitation of a range of values herein is intended to encompass any value within the range and any smaller range defined by any value within the range, as if the range and smaller range were explicitly recited in the specification.
The invention provides a temperature-sensing humidity-conditioning after-finishing composition, which can be used for a dye vat of cloth and processing treatment after impregnation and shaping. The following embodiments are merely examples of the present invention which can be actually carried out. However, these embodiments are exemplary, and the disclosure is not limited thereto.
< composition for temperature-sensitive humidity control afterfinish >
The invention provides a temperature-sensing humidity-conditioning finishing composition, which comprises a temperature-sensing response material, a hydrophilic softening agent, a bridging agent and water. The temperature sensitive responsive material is added in an amount of, for example, 16 to 80 parts by weight, the hydrophilic softening agent is added in an amount of, for example, 0.1 to 64 parts by weight, and the bridging agent is added in an amount of, for example, 2 to 8 parts by weight, based on 1000 parts by weight of water. The weight ratio of the temperature sensitive responsive material to the bridging agent is preferably, for example, 10. By adjusting the proportion of the temperature-sensitive response material and the hydrophilic softening agent, the processed fabric can effectively change along with the change of the external environment temperature or the body temperature, and further the reaction of dynamic temperature and humidity regulation is caused. Hereinafter, the above-mentioned various components will be described in detail.
< temperature sensitive responsive Material >
In this embodiment, the temperature sensitive response material includes a copolymer of polyvinyl alcohol and a polyacrylamide derivative or a copolymer of polyvinyl alcohol and a polymethyl acrylate derivative. More specifically, the monomer of the polyacrylamide derivative is, for example, N-isopropylacrylamide or N, N-diethylacrylamide, and the Lower Critical Solution Temperature (LCST) of the temperature responsive material formed at this time is 30 ℃ to 35 ℃. The monomer of the polymethyl acrylate derivative includes di (ethylene glycol) methyl methacrylate (di) and the Lower Critical Solution Temperature (LCST) of the temperature sensitive response material is 25 ℃ to 27 ℃.
< hydrophilic softening agent >
In this embodiment, the hydrophilic softener is composed of water and compounds represented by the following formulas (1) and (2):
the compound represented by the formula (1) is a copolymer of terephthalic acid, ethylene glycol and polyethylene glycol, and the compound represented by the formula (2) is 2-ethylhexyl sulfate sodium salt (sodium 2-ethylhexyl sulfate). In more detail, in the hydrophilic softener of this example, the content of water is, for example, 70 wt%, the content of the compound represented by formula (1) is, for example, 24 wt% to 36 wt%, and the content of the compound represented by formula (2) is, for example, 4 wt% to 16 wt%.
< bridging agent >
In this embodiment, the bridging agent may include water and a compound represented by the following formula (3), wherein the content of water is, for example, 60 wt%, and the content of the compound represented by the following formula (3) is, for example, 40 wt%:
R-(Z)mformula (3)
Wherein R may represent a residue obtained by removing m isocyanate groups from a polyisocyanate compound having m isocyanate groups; m is an integer of 2 to 10; z may be the same as or different from each other, and Z may be represented by the following formula (4),
in the formula (4), R1Is C1-C6 alkyl, C2-C6 alkenyl, C7-C12 aralkyl, N-substituted carbamoyl, phenyl, nitro, halogen atom or-COO-R2，R2Is a hydrogen atom or a C1-C6 alkyl group; n is an integer of 0 to 3, and when n is 2 or 3, R1The same or different from each other.
The temperature-sensing humidity-controlling finishing composition of the present invention can be used in dye vat and impregnation shaping finishing treatment of cloth, and the material of the cloth can include Polyester (PET) to form good bonding with the bridging agent, but the present invention is not limited thereto. In the dye vat process, the weight ratio of the cloth to the water is 1: 10, the temperature of the dye vat is 60 ℃ to 130 ℃, and the time of the dye vat is 30 minutes. After the dye vat process, a post-dye dewatering sizing process may be performed, and the sizing conditions may include, for example, predrying at a temperature of 90 ℃ to 110 ℃ for 30 seconds and at a temperature of 120 DEG CSetting at 160 deg.c for 60-90 sec. The shaping process is, for example, shaping after pressing and sucking, and the pressure of the shaping wheel is, for example, 3.0Kgf/cm2The setting conditions may include, for example, predrying at a temperature of 90 ℃ to 110 ℃ for 30 seconds and setting at a temperature of 120 ℃ to 160 ℃ for 60 seconds to 90 seconds.
The temperature-sensitive humidity-controlling afterfinish composition of the above-described example will be described in detail below with reference to experimental examples. However, the following experimental examples are not intended to limit the present invention.
Examples of the experiments
This experimental example is specifically described below to demonstrate that the temperature-sensitive humidity-controlling finishing composition of the present invention can effectively cause a dynamic temperature/humidity control reaction in response to changes in the environmental temperature or body temperature of a fabric.
Preparation of temperature-sensing humidity-conditioning after-finishing composition
Example 1
The temperature-sensitive responsive material is added in an amount of 70 parts by weight, the hydrophilic softening agent is added in an amount of 10 parts by weight, and the bridging agent is added in an amount of 8 parts by weight, based on 1000 parts by weight of water, to prepare the temperature-sensitive humidity-controlling afterfinish composition. The temperature-sensitive response material is a copolymer of polyvinyl alcohol and polyacrylamide derivatives, and the monomer of the polyacrylamide derivatives is N-isopropyl acrylamide.
Example 2
The temperature-sensitive responsive material is added in an amount of 64 parts by weight, the hydrophilic softening agent is added in an amount of 16 parts by weight, and the bridging agent is added in an amount of 8 parts by weight, based on 1000 parts by weight of water, to prepare the temperature-sensitive humidity-controlling afterfinish composition. The temperature-sensitive response material is a copolymer of polyvinyl alcohol and polyacrylamide derivatives, and the monomer of the polyacrylamide derivatives is N-isopropyl acrylamide.
Example 3
The temperature-sensitive response material is added in an amount of 40 parts by weight, the hydrophilic softening agent is added in an amount of 40 parts by weight, and the bridging agent is added in an amount of 8 parts by weight, based on 1000 parts by weight of water, to prepare the temperature-sensitive humidity-controlling after-finishing composition. The temperature-sensitive response material is a copolymer of polyvinyl alcohol and polyacrylamide derivatives, and the monomer of the polyacrylamide derivatives is N-isopropyl acrylamide.
Example 4
The temperature-sensitive responsive material is added in an amount of 16 parts by weight, the hydrophilic softening agent is added in an amount of 64 parts by weight, and the bridging agent is added in an amount of 8 parts by weight, based on 1000 parts by weight of water, to prepare the temperature-sensitive humidity-controlling afterfinish composition. The temperature-sensitive response material is a copolymer of polyvinyl alcohol and polyacrylamide derivatives, and the monomer of the polyacrylamide derivatives is N-isopropyl acrylamide.
Example 5
The addition amount of the temperature-sensitive response material is 53 parts by weight, the addition amount of the hydrophilic softening agent is 7 parts by weight and the addition amount of the bridging agent is 6 parts by weight based on 1000 parts by weight of water, so as to prepare the temperature-sensitive humidity-conditioning after-finishing composition. The temperature-sensitive response material is a copolymer of polyvinyl alcohol and polyacrylamide derivatives, and the monomer of the polyacrylamide derivatives is N-isopropyl acrylamide.
Example 6
The temperature-sensitive responsive material is added in an amount of 35 parts by weight, the hydrophilic softening agent is added in an amount of 5 parts by weight, and the bridging agent is added in an amount of 4 parts by weight, based on 1000 parts by weight of water, to prepare the temperature-sensitive humidity-controlling afterfinish composition. The temperature-sensitive response material is a copolymer of polyvinyl alcohol and polyacrylamide derivatives, and the monomer of the polyacrylamide derivatives is N-isopropyl acrylamide.
Example 7
The temperature-sensitive responsive material is added in an amount of 70 parts by weight, the hydrophilic softening agent is added in an amount of 10 parts by weight, and the bridging agent is added in an amount of 8 parts by weight, based on 1000 parts by weight of water, to prepare the temperature-sensitive humidity-controlling afterfinish composition. The temperature-sensitive response material is a copolymer of polyvinyl alcohol and polyacrylamide derivatives, and the monomer of the polyacrylamide derivatives is N, N-diethylacrylamide.
Example 8
The temperature-sensitive responsive material is added in an amount of 70 parts by weight, the hydrophilic softening agent is added in an amount of 10 parts by weight, and the bridging agent is added in an amount of 8 parts by weight, based on 1000 parts by weight of water, to prepare the temperature-sensitive humidity-controlling afterfinish composition. The temperature-sensitive response material is a copolymer of polyvinyl alcohol and a polymethyl acrylate derivative, and the monomer of the polyacrylamide derivative is di (ethylene glycol) methyl ether methyl acrylate.
Example 9
The temperature-sensitive responsive material is added in an amount of 80 parts by weight, the hydrophilic softening agent is added in an amount of 0.1 part by weight, and the bridging agent is added in an amount of 8 parts by weight, based on 1000 parts by weight of water, to prepare the temperature-sensitive humidity-controlling after-finishing composition. The temperature-sensitive response material is a copolymer of polyvinyl alcohol and polyacrylamide derivatives, and the monomer of the polyacrylamide derivatives is N-isopropyl acrylamide.
Testing the properties of fabrics treated by the temperature-sensing humidity-conditioning finishing composition
The temperature-sensitive humidity-controlling post-finishing compositions of examples 1 and 9 were used to treat PET knitted fabric a. After that, the drying times of the PET knitted fabric a treated in example 1 and the PET knitted fabric a washed 10 and 20 times, the drying time of the PET knitted fabric a treated in example 9, the drying time of the bare PET knitted fabric a, and the drying time of the commercially available moisture absorbable and breathable fabric were measured using AATCC 199-.
TABLE 1
| Drying time (minutes) | |
| Blank PET knitted fabric A | 35.9 |
| Commercially available moisture-absorbing and sweat-releasing fabric | 24.3 |
| Example 1 | 15.0 |
| Example 1 washed 10 times with water | 15.6 |
| Example 1 washed 20 times with water | 20.7 |
| Example 9 | 20.7 |
As can be seen from Table 1, the fabric treated by the temperature-sensitive humidity-controlling finishing composition of the invention has shorter drying time compared with untreated fabric and commercially available moisture-absorbing and sweat-releasing fabric, and shows a test result of shorter drying time even after being washed 10 times or 20 times.
The temperature-sensitive humidity-controlling post-finishing compositions of examples 1 to 6 and 9 were used to treat PET knitted fabric B. Thereafter, the drying times of the PET knitted fabric B treated in examples 1 to 6 and 9 and the drying time of the bare PET knitted fabric B were measured under the conditions of a hot plate temperature of 35 ± 0.5 ℃ and a water absorption of 0.1ml using AATCC 199-.
TABLE 2
| Drying time (minutes) | |
| Blank PET knitted fabric B | 30.48 |
| Example 1 | 16.40 |
| Example 2 | 16.35 |
| Example 3 | 14.65 |
| Example 4 | 15.68 |
| Example 5 | 16.48 |
| Example 6 | 17.52 |
| Example 9 | 20.70 |
As can be seen from table 2, the fabric treated with the temperature-sensitive humidity-controlling afterfinish composition of the present invention has a shorter drying time than the untreated fabric, and this effect is exhibited when the amounts of the respective components in the temperature-sensitive humidity-controlling afterfinish composition fall within the ranges claimed in the present invention.
The temperature-sensitive humidity-controlling post-finishing compositions of examples 7 and 8 were used to treat PET knitted fabric C. Thereafter, the drying times of the PET knitted fabric C treated in examples 7 and 8 and the drying time of the bare PET knitted fabric C were measured under the conditions of a hot plate temperature of 35 ± 0.5 ℃ and a water absorption of 0.1ml using AATCC 199-.
TABLE 3
| Drying time (minutes) | |
| Blank PET knitted fabric C | 29.77 |
| Example 7 | 14.65 |
| Example 8 | 22.60 |
As can be seen from Table 3, the fabric treated with the temperature-sensitive, humidity-controlling, finishing composition of the present invention has a shorter drying time than the untreated fabric.
The temperature-sensitive humidity-controlling post-finishing composition of example 1 was used to treat PET knitted fabric D. Thereafter, the drying times at temperatures of 35 ℃ and 20 ℃ of the PET knitted fabric D treated in example 1 and the bare PET knitted fabric D were measured using AATCC199-2012 method under conditions of hot plate temperatures of 35 ± 0.5 ℃ and 20 ± 0.5 ℃, respectively, and a water absorption of 0.1ml, respectively, and the results are listed in table 4 below.
TABLE 4
As can be seen from Table 4, the fabric treated with the temperature-sensitive, humidity-controlling, finishing composition of the present invention has a shorter drying time at 35 ℃ and 20 ℃ than the untreated fabric.
The temperature-sensitive humidity-controlling post-finishing composition of example 1 was used to treat PET knitted fabric E. After that, the PET knit fabric E treated in example 1 and the PET knit fabric knit blank E were subjected to exothermic moisture absorption and exothermic moisture desorption tests using the method of ISO 16533-20149.4.1 under the conditions of an initial temperature of 20 ℃ and a change in humidity of 40 ± 3% to 90 ± 3% and an initial temperature of 35 ℃ and a change in humidity of 90 ± 3% to 40 ± 3%, and the results are shown in the following table 5.
TABLE 5
As can be seen from Table 5, the fabric treated with the temperature-sensing and humidity-conditioning finishing composition of the present invention has a cool feeling effect by taking away heat at a high temperature (temperature of 35 ℃) and a low temperature (temperature of 20 ℃) and has a anti-cold tremor effect, as compared with the untreated fabric.
The temperature-sensitive humidity-controlling post-finishing composition of example 7 was used to treat PET knitted fabric F. Thereafter, the drying rates of the PET knitted fabric F treated in example 7 and the virgin PET knitted fabric F at the temperature of 20 ℃ and 35 ℃ were measured, respectively, using the FTTS-FA-0044.2 method, for a measurement time of 40 minutes, and the results are listed in the following table 6.
TABLE 6
As can be seen from Table 6, the fabric treated with the temperature-sensitive humidity-controlling finishing composition of the present invention has a better drying rate at 35 ℃ and 20 ℃ with less moisture remaining after a drying time of 40 minutes, as compared to the untreated fabric.
In summary, the temperature-sensing humidity-controlling finishing composition of the present invention comprises a temperature-sensing response material, a hydrophilic softening agent, a bridging agent and water, and the ratio of the temperature-sensing response material to the hydrophilic softening agent is adjusted, so that the fabric after processing can effectively generate the difference of hydrophilic and hydrophobic degrees along with the change of the external environment temperature or body temperature, and further cause the reaction of dynamic temperature and humidity regulation, wherein the dynamic temperature and humidity regulation is mainly achieved by the way of moisture absorption, heat release, moisture desorption and heat absorption. When the temperature is reduced, the material is changed into strong hydrophilicity, the binding capacity with water is improved, the water diffusion speed is slowed, and the fabric holes are reduced due to the swelling in water, so that the air permeability is reduced. When the temperature is increased, the material becomes weakly hydrophilic, reducing the binding ability with water, thereby accelerating the diffusion of water and obtaining an evaporative cooling sensation. Therefore, the defect that the temperature and humidity adjusting function of the existing moisture absorption and sweat releasing type clothes is lost due to sultriness under the saturated humidity of sports can be remarkably improved, and the moisture absorption and sweat releasing type clothes can be widely applied to the field of functional clothes fabrics.
Although the present invention has been described with reference to the above embodiments, it should be understood that various changes and modifications can be made therein by those skilled in the art without departing from the spirit and scope of the invention.
Claims (10)
1. A temperature-sensing humidity-conditioning afterfinish composition, comprising:
the temperature sensing response material comprises a copolymer of polyvinyl alcohol and polyacrylamide derivatives or a copolymer of polyvinyl alcohol and polymethyl acrylate derivatives;
a hydrophilic softening agent;
a bridging agent; and
the amount of water is controlled by the amount of water,
the temperature-sensitive response material is added in an amount of 16 to 80 parts by weight, the hydrophilic softening agent is added in an amount of 0.1 to 64 parts by weight, and the bridging agent is added in an amount of 2 to 8 parts by weight, based on 1000 parts by weight of water.
2. The temperature-sensitive humidity-controlling afterfinish composition according to claim 1, wherein the monomer of said polyacrylamide derivative comprises N-isopropylacrylamide or N, N-diethylacrylamide.
3. The temperature-sensitive humidity-controlling afterfinish composition according to claim 2, wherein the lower critical solution temperature LCST of the temperature-sensitive responsive material is 30 ℃ to 35 ℃.
4. The temperature-sensitive humidity-controlling afterfinish composition according to claim 1, wherein the monomer of the polymethyl acrylate derivative comprises methyl bis (ethylene glycol) methyl ether acrylate.
5. The temperature-sensitive humidity-controlling afterfinish composition according to claim 4, wherein the lower critical solution temperature LCST of the temperature-sensitive response material is 25 ℃ to 27 ℃.
6. The temperature-sensitive humidity-controlling afterfinish composition according to claim 1, wherein said hydrophilic softening agent is composed of water and compounds represented by the following formulae (1) and (2):
7. the temperature-sensitive humidity-controlling afterfinish composition according to claim 1, wherein said bridging agent comprises a compound represented by the following formula (3),
R-(Z)mformula (3)
Wherein R represents a residue obtained by removing m isocyanate groups from a polyisocyanate compound having m isocyanate groups; m is an integer of 2 to 10; z are the same or different from each other, and Z is represented by the following formula (4),
in the formula (4), R1Is C1-C6 alkyl, C2-C6 alkenyl, C7-C12 aralkyl, N-substituted carbamoyl, phenyl, nitro, halogen atom or-COO-R2，R2Is a hydrogen atom or a C1-C6 alkyl group; n is an integer of 0 to 3, and when n is 2 or 3, R1The same or different from each other.
8. The composition for temperature-sensitive humidity-controlling post-finishing according to claim 1, wherein the composition for temperature-sensitive humidity-controlling post-finishing is used for a dye vat and an impregnation setting post-processing treatment of a fabric.
9. The temperature-sensitive humidity-controlling afterfinish composition according to claim 8, wherein the material of said fabric comprises polyester PET.
10. The temperature-sensitive humidity-controlling post-finishing composition according to claim 8, wherein in the dye vat process, the weight ratio of the fabric to water is 1: 10.
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| TW107145496A TWI685597B (en) | 2018-12-17 | 2018-12-17 | Temperature-responsive and humidity-regulating composition for post treatment |
| TW107145496 | 2018-12-17 |
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| CN111321596A true CN111321596A (en) | 2020-06-23 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI821653B (en) * | 2021-04-15 | 2023-11-11 | 財團法人紡織產業綜合研究所 | Temperature-sensing and humidity-controlling fiber and fabricating method thereof |
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| TWI685597B (en) | 2020-02-21 |
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