CN116710607A - Moisture-retaining cloth and underwear comprising same - Google Patents
Moisture-retaining cloth and underwear comprising same Download PDFInfo
- Publication number
- CN116710607A CN116710607A CN202280008654.1A CN202280008654A CN116710607A CN 116710607 A CN116710607 A CN 116710607A CN 202280008654 A CN202280008654 A CN 202280008654A CN 116710607 A CN116710607 A CN 116710607A
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- Prior art keywords
- moisture
- cloth
- retaining
- less
- skin
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- Pending
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- 239000004744 fabric Substances 0.000 title claims abstract description 140
- 239000000835 fiber Substances 0.000 claims abstract description 99
- 102000008186 Collagen Human genes 0.000 claims abstract description 55
- 108010035532 Collagen Proteins 0.000 claims abstract description 55
- 229920001436 collagen Polymers 0.000 claims abstract description 55
- 238000010521 absorption reaction Methods 0.000 claims abstract description 22
- 230000003020 moisturizing effect Effects 0.000 claims abstract description 22
- 230000014759 maintenance of location Effects 0.000 claims description 23
- 238000005452 bending Methods 0.000 claims description 13
- 229920000728 polyester Polymers 0.000 claims description 10
- 239000002759 woven fabric Substances 0.000 claims description 5
- 229920002678 cellulose Polymers 0.000 claims description 3
- 239000001913 cellulose Substances 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 2
- 238000009987 spinning Methods 0.000 description 15
- 238000009940 knitting Methods 0.000 description 14
- 229920000742 Cotton Polymers 0.000 description 13
- 230000000052 comparative effect Effects 0.000 description 13
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
- 239000000243 solution Substances 0.000 description 12
- 229920002972 Acrylic fiber Polymers 0.000 description 8
- 229920000297 Rayon Polymers 0.000 description 7
- 210000000245 forearm Anatomy 0.000 description 7
- 229920003043 Cellulose fiber Polymers 0.000 description 6
- 239000002994 raw material Substances 0.000 description 6
- 239000002390 adhesive tape Substances 0.000 description 5
- 239000003431 cross linking reagent Substances 0.000 description 5
- 239000002964 rayon Substances 0.000 description 5
- 238000007378 ring spinning Methods 0.000 description 5
- 238000005406 washing Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- -1 aldehyde compounds Chemical class 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 241000283690 Bos taurus Species 0.000 description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 229920000433 Lyocell Polymers 0.000 description 3
- 241001465754 Metazoa Species 0.000 description 3
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 150000002736 metal compounds Chemical class 0.000 description 3
- 230000007928 solubilization Effects 0.000 description 3
- 238000005063 solubilization Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000011550 stock solution Substances 0.000 description 3
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000004310 lactic acid Substances 0.000 description 2
- 235000014655 lactic acid Nutrition 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- 239000004627 regenerated cellulose Substances 0.000 description 2
- 239000001509 sodium citrate Substances 0.000 description 2
- 229910052938 sodium sulfate Inorganic materials 0.000 description 2
- 235000011152 sodium sulphate Nutrition 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000003381 solubilizing effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- 241000282994 Cervidae Species 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 241000283073 Equus caballus Species 0.000 description 1
- 240000004153 Hibiscus sabdariffa Species 0.000 description 1
- 235000001018 Hibiscus sabdariffa Nutrition 0.000 description 1
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 1
- 241000283973 Oryctolagus cuniculus Species 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 241000282898 Sus scrofa Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 239000003906 humectant Substances 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229920001983 poloxamer Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000001931 thermography Methods 0.000 description 1
- HRXKRNGNAMMEHJ-UHFFFAOYSA-K trisodium citrate Chemical compound [Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O HRXKRNGNAMMEHJ-UHFFFAOYSA-K 0.000 description 1
- 229940038773 trisodium citrate Drugs 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
- 150000003754 zirconium Chemical class 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41B—SHIRTS; UNDERWEAR; BABY LINEN; HANDKERCHIEFS
- A41B9/00—Undergarments
- A41B9/06—Undershirts; Chemises
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D31/00—Materials specially adapted for outerwear
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D31/00—Materials specially adapted for outerwear
- A41D31/04—Materials specially adapted for outerwear characterised by special function or use
- A41D31/12—Hygroscopic; Water retaining
-
- 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
- D03D15/20—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 material of the fibres or filaments constituting the yarns or threads
- D03D15/233—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 material of the fibres or filaments constituting the yarns or threads protein-based, e.g. wool or silk
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Knitting Of Fabric (AREA)
Abstract
Disclosed is a moisturizing cloth comprising regenerated collagen fibers, which has a skin moisture increase rate of 0.8-1.8% in two hours and a moisture absorption of 0.70mg/cm in two hours 2 The above. Preferably, the moisture-retaining fabric contains the regenerated collagen fiber in an amount of 40 wt% to 70 wt%. The present invention also relates to an undergarment comprising the moisturizing cloth. Thus, it is possible to provide a moisture-retaining cloth which has excellent moisture retaining properties and softness and is less prone to stuffy, and an undergarment comprising the same.
Description
Technical Field
The present invention relates to a moisture-retaining cloth which is excellent in moisture retention and softness and is less prone to stuffy, and to underwear comprising the same.
Background
Conventionally, moisture retention has been imparted to a raw material for clothing, such as underwear, which comes into contact with the skin surface in order to prevent the raw material from drying out due to loss of moisture from the skin. For example, in patent document 1, a moisturizing agent is attached to clothing by an adhesive to impart moisturizing property.
Prior art literature
Patent literature
Patent document 1: japanese patent laid-open No. 2-300301
Disclosure of Invention
Problems to be solved by the invention
However, the conventional underwear material as in reference 1 may have poor durability due to the provision of a humectant in advance.
In addition, the underwear cloth is required to have heat resistance and softness for comfortable wearing.
In view of the above, the present invention provides a moisture-retaining cloth which has excellent moisture retaining properties and softness and is less prone to stuffiness, and an undergarment using the same.
Means for solving the problems
The invention relates to a moisture-retaining cloth, which is characterized in that: the moisturizing cloth comprises regenerated collagen fibers, has a skin moisture increase rate of 0.8% or more and 1.8% or less in two hours, and has a moisture absorption capacity of 0.70mg/cm in two hours 2 The above.
The present invention also relates to an undergarment characterized in that: comprises a moisture-retaining cloth.
Effects of the invention
According to the present invention, it is possible to provide a moisture-retaining cloth which has excellent moisture retaining property and softness and is less prone to stuffiness, and an undergarment including the same.
Detailed Description
The present inventors have conducted intensive studies on a cloth that contacts the skin surface to improve moisture retention, softness, and less tendency to stuffiness. As a result, it was found that: by incorporating the regenerated collagen fiber in the cloth, the two-hour skin moisture increase rate and the two-hour moisture absorption amount of the cloth are set to predetermined amounts, and the cloth is excellent in moisture retention and softness without attaching a moisturizing agent to the cloth, and can suppress skin stuffiness, leading to completion of the present invention. The reason for this is not clear, but it is assumed that the cloth containing the regenerated collagen fibers absorbs and retains moisture moderately, thereby preventing the skin surface from drying and preventing the skin from being stuffy, although the estimated range is not exceeded. In addition, when the skin is properly covered with the cloth containing the regenerated collagen fibers, the cloth containing the regenerated collagen fibers excellent in moisture retention property can absorb moisture and restrict evaporation of moisture from the cloth, so that the cloth can have thermal insulation property without lowering the temperature. In 1 or more embodiments of the present invention, the term "regenerated collagen fibers" means regenerated collagen fibers in a crosslinked state (also referred to as insoluble state).
(moisture-retaining cloth)
The moisture retention cloth has a skin moisture increase rate of 0.8% or more and 1.8% or less for two hours. Skin stuffiness occurs if the skin moisture increase rate exceeds 1.8% for two hours. The skin is dry if the skin moisture increase rate is less than 0.8% for two hours. From the viewpoint of moisture retention, the moisture retention cloth preferably has a skin moisture increase rate of 0.9% or more, more preferably 1.0% or more, still more preferably 1.1% or more, and particularly preferably 1.2% or more for two hours. From the viewpoint of low heat sealing, the moisture retention cloth preferably has a skin moisture increase rate of 1.7% or less, more preferably 1.6% or less, still more preferably 1.5% or less, and particularly preferably 1.4% or less for two hours. Specifically, the moisture retention cloth preferably has a skin moisture increase rate of 0.9% or more and 1.7% or less, more preferably 1.0% or more and 1.6% or less, still more preferably 1.1% or more and 1.5% or less, and particularly preferably 1.1% or more and 1.4% or less for two hours.
The two-hour moisture absorption capacity of the moisture-retaining cloth is 0.70mg/cm 2 The above. Thereby, dryness of the skin surface can be prevented. Preferably, the moisture-retaining cloth has a two-hour moisture absorption of 0.75mg/cm 2 The above is more preferably 0.80mg/cm 2 The above is more preferably 0.85mg/cm 2 The above. Further, from the viewpoint of skin feel, it is preferable that the two-hour moisture absorption amount of the moisture-retaining cloth is 1.8mg/cm 2 Hereinafter, more preferably 1.5mg/cm 2 Hereinafter, it is more preferably 1.10mg/cm 2 The following is given.Specifically, the moisture-retaining cloth preferably has a two-hour moisture absorption of 0.70mg/cm 2 Above and 1.8mg/cm 2 Hereinafter, more preferably 0.75mg/cm 2 Above and 1.5mg/cm 2 Hereinafter, it is more preferably 0.80mg/cm 2 Above and 1.3mg/cm 2 Hereinafter, it is particularly preferably 0.85mg/cm 2 Above and 1.10mg/cm 2 The following is given.
The two-hour skin moisture increase rate and the two-hour moisture absorption amount of the moisture-retaining cloth were measured as follows.
(skin moisture increase Rate over two hours and moisture absorption over two hours)
(1) The cloth to be measured was cut to a predetermined size (3 cm. Times.6 cm), a transparent adhesive tape was stuck to the cut cloth to fix it to the skin surface, and the weight of the taped cloth was measured and set to W1.
(2) The skin moisture content of the portion on the inner side of the forearm to which the cloth was attached was measured by a capacitance moisture meter and was designated as Sw1.
(3) The adhesive tape cloth is attached to the inner side of the forearm in such a manner that the cloth contacts the skin surface.
(4) After two hours of standing, the taped cloth was collected, the weight was measured, and the two-hour moisture absorption was calculated by the following equation (1), assuming that W2 was used.
(5) The moisture content of the skin surface on the inner side of the forearm after peeling the cloth was measured and given as Sw2, and the skin moisture increase rate was calculated for two hours by the following equation (2).
The measurement was performed at a temperature of 23.+ -. 2 ℃ and a relative humidity of 65.+ -. 5%.
[ number 1]
Two hour moisture absorption (g/cm) 2 )＝(W2-W1)g/(3×6)cm 2
[ number 2]
Skin moisture increase (%) = [ (Sw 2-Sw 1)/Sw 1] ×100 for two hours
The moisturizing cloth has excellent washing durability, and for example, the skin moisture increase rate after 50 times of washing is preferably 0.8% or more and 1.8% or less, more preferably 0.9% or more and 1.7% or less, still more preferably 1.0% or more and 1.6% or less, still more preferably 1.1% or more and 1.5% or less, and particularly preferably 1.1% or more and 1.4% or less.
The moisture-retaining cloth has excellent washing durability, for example, it is preferable that the moisture absorption amount after 50 times of washing for two hours is 0.70mg/cm 2 Above and 1.8mg/cm 2 Hereinafter, more preferably 0.75mg/cm 2 Above and 1.5mg/cm 2 Hereinafter, it is more preferably 0.80mg/cm 2 Above and 1.3mg/cm 2 Hereinafter, it is particularly preferably 0.85mg/cm 2 Above and 1.10mg/cm 2 The following is given.
The moisture-retaining cloth has excellent bending properties, and for example, from the viewpoint of having a soft feel, it is preferable that the stiffness B is 0.19gf cm 2 Preferably less than or equal to/cm, more preferably 0.18gf cm 2 Preferably less than or equal to/cm, more preferably 0.16gf cm 2 And/cm or less. The moisture-retaining cloth preferably has a stiffness B of 0.015gf cm, for example, from the viewpoint of excellent elasticity and seamability 2 Preferably 0.020gf cm or more 2 Preferably not less than 0.030gf cm 2 And/cm or more. Specifically, it is preferable that the stiffness B is 0.015gf cm 2 Over/cm and 0.19gf cm 2 Preferably less than or equal to/cm, more preferably 0.020gf cm 2 Over/cm and 0.18gf cm 2 Preferably less than or equal to/cm, more preferably 0.030gf cm 2 Over/cm and 0.16gf cm 2 And/cm or less.
The moisture-retaining cloth has excellent bending properties, and for example, from the viewpoint of having a soft feel, the bending hysteresis 2HB is preferably 0.45gf cm/cm or less, more preferably 0.42gf cm/cm or less, still more preferably 0.40gf cm/cm or less, and particularly preferably 0.38gf cm/cm or less. The moisture-retaining cloth preferably has a bending hysteresis 2HB of 0.015gf cm/cm or more, more preferably 0.020gf cm/cm or more, still more preferably 0.040gf cm/cm or more, and particularly preferably 0.070gf cm/cm or more, from the viewpoint of excellent elasticity and seamability. Specifically, the moisture-retaining cloth preferably has a bending hysteresis 2HB of 0.015gf cm/cm or more and 0.45gf cm/cm or less, more preferably 0.020gf cm/cm or more and 0.42gf cm/cm or less, still more preferably 0.040gf cm/cm or more and 0.40gf cm/cm or less, particularly preferably 0.070gf cm/cm or more and 0.38gf cm/cm or less.
The stiffness B and bending hysteresis 2HB of the moisture-retaining cloth can be obtained by fixing one end of a sample (effective length 20cm, width 1 cm) by KES-FB3 (manufactured by KATOLEC Co., ltd.) and moving the other end thereof so as to have a curvature K= + -2.5 cm -1 In the range of equal speed (deformation speed 0.5 cm) -1 /second) is determined under the conditions of the above-mentioned method.
The moisture-retaining cloth has excellent cutting characteristics, and for example, from the viewpoint of softness and body comfort, the shear stiffness G is preferably 0.45gf/cm·deg or less, more preferably 0.42gf/cm·deg or less, and still more preferably 0.39gf/cm·deg or less. The moisture-retaining cloth preferably has a shear stiffness G of 0.15gf/cm·deg or more, more preferably 0.18gf/cm·deg or more, and still more preferably 0.20gf/cm·eg or more, from the viewpoint of having soft touch and seamability, for example. Specifically, the moisture-retaining cloth preferably has a shear rigidity G of 0.15 gf/cm/deg or more and 0.45 gf/cm/deg or less, more preferably 0.18 gf/cm/deg or more and 0.42 gf/cm/deg or less, and still more preferably 0.20 gf/cm/deg or more and 0.42 gf/cm/deg or less.
The shear rigidity G of the moisture-retaining cloth was measured under conditions of KES-FB1 (KATOLEC Co.) using a sample (size 20 cm. Times.20 cm) and a shear force of 2.5gf/cm, a shear strain rate of 0.00834/s and a shear angle of.+ -. 8 ℃.
From the viewpoint of excellent heat retaining properties, the moisture retaining cloth preferably has a difference (T1-T2) between the temperature T1 of the skin surface after 1 hour and the temperature T2 of the skin surface after two hours of less than 0.10 ℃, more preferably not more than 0.08 ℃, still more preferably not more than 0.06 ℃ when applied to the skin.
The moisturizing cloth comprises regenerated collagen fibers. The regenerated collagen fibers are not particularly limited, and known regenerated collagen fibers can be suitably used. For example, the regenerated collagen fibers can be obtained by dissolving a collagen raw material to solubilize the collagen raw material, spinning the obtained solubilized collagen solution, and crosslinking (insolubilizing) the obtained solubilized regenerated collagen fibers.
As the collagen material, animal skins such as cattle, pig, horse, deer, rabbit, etc. can be used. Preferably, fresh board hides and salt-treated hides from animals such as cattle are used. Since the collagen contained in such a collagen raw material is partially crosslinked insoluble collagen, the collagen is subjected to a solubilizing treatment for cutting and crosslinking. As a method of the solubilization treatment, a known alkali solubilization method, enzyme solubilization method, or the like can be used.
The collagen which is soluble in water by the solubilizing treatment can be prepared, for example, from an aqueous solution of an acid such as an aqueous hydrochloric acid solution, an aqueous acetic acid solution, or an aqueous lactic acid solution, into a spinning solution of collagen having a collagen (solid content) concentration of 1% by weight or more and 15% by weight or less, preferably 2% by weight or more and 10% by weight or less and a pH of 2 or more and 4.5 or less. The resulting collagen spinning solution may be defoamed under stirring under reduced pressure as needed, and may be filtered to remove fine dust, which is a water-insoluble component. The spinning solution of collagen is discharged into an inorganic salt aqueous solution or an organic solvent through a spinning nozzle and a slit, for example, and solidified, whereby a solubilized regenerated collagen fiber can be formed. The obtained solubilized regenerated collagen fibers are crosslinked with a crosslinking agent to insolubilize the fibers, thereby obtaining collagen fibers. The crosslinking agent is not particularly limited, and examples thereof include an organic crosslinking agent and a metal compound. Examples of the organic crosslinking agent include aldehyde compounds such as formaldehyde and epoxy compounds such as epichlorohydrin. As the metal compound, for example, zirconium salt, aluminum salt, or the like can be used. These organic crosslinking agents or metal compounds may be used singly or in combination of two or more.
The moisture-retaining cloth preferably contains 40 wt% or more of regenerated collagen fibers, more preferably 45 wt% or more, still more preferably 50 wt% or more, and particularly preferably 55 wt% or more, from the viewpoints of moisture retention, flexibility, and less heat resistance. The moisture-retaining cloth may be formed of 100 wt% regenerated collagen fibers, but from the viewpoints of tensile properties, cutting properties, and bending properties, it preferably contains 80 wt% or less of regenerated collagen fibers, more preferably 75 wt% or less, and still more preferably 70 wt% or less.
The moisture-retaining fabric preferably contains 40 to 70 wt% of regenerated collagen fibers, and 30 to 60 wt% of other fibers, more preferably 45 to 65 wt% of regenerated collagen fibers, and 35 to 55 wt% of other fibers, and even more preferably 45 to 60 wt% of regenerated collagen fibers, and 40 to 55 wt% of other fibers, from the viewpoint of excellent moisture retention, softness, heat resistance, and tensile strength.
The other fibers are not particularly limited, and natural fibers, chemical fibers, and the like, which are commonly used in underwear, can be used. Examples of the natural fibers include animal hair fibers such as wool, natural cellulose fibers such as cotton and hemp, and the like. As the chemical fiber, polyester fiber, acrylic fiber , acrylic fiber , nylon fiber, cellulose fiber, and the like can be suitably used. As the cellulose-based fibers, regenerated cellulose fibers such as viscose rayon and cuprammonium rayon, solvent-spun rayon such as lyocell, and the like can be used. As the polyester fiber, polyethylene terephthalate fiber or the like can be used. From the viewpoints of moisture retention and less heat resistance, regenerated cellulose fibers such as viscose rayon are preferably used. From the viewpoints of stiffness and shear rigidity, acrylic fibers and natural cellulose fibers are preferably used. The other fibers may be used alone or in combination of two or more. As the other fibers, one or more fibers selected from polyester fibers, acrylic fibers and cellulose fibers may be used.
In the moisture-retaining cloth, the regenerated collagen fibers and other fibers are not particularly limited, and for example, from the viewpoint of good skin feel, the single fiber fineness is preferably 10dtex or less, more preferably 8dtex or less, further preferably 5dtex or less, and particularly preferably 3dtex or less. In view of handedness and versatility, the single fiber fineness of the regenerated collagen fiber and other fibers is preferably 0.5dtex or more, more preferably 0.6dtex or more, and even more preferably 0.8dtex or more.
In the moisture-retaining cloth, the regenerated collagen fibers and other fibers may be long fibers or short fibers. When used as a spun yarn, the regenerated collagen fibers and other fibers each preferably have a fiber length of 26mm or more and 126mm or less, more preferably 35mm or more and 76mm or less. The thickness of the spun yarn is not particularly limited, and may be, for example, 5/1 to 100/1 in terms of the number of english count of the cotton yarn from the viewpoint of the hand feeling.
The moisture-retaining cloth may be a woven fabric or a textile fabric. The knitted fabric and the woven fabric may be a single layer or may be a plurality of layers including two or more layers. The weave of the knitted fabric is not particularly limited, and may be any of circular knitting, weft knitting, warp knitting, and terry knitting, and examples thereof include plain knitting, circular rib knitting (rib knitting ), double rib knitting (double knit), rib knitting, double knit, warp knitting, pile knitting, satin knitting, chain knitting, and clip knitting. The weave of the woven fabric is not particularly limited, and may be a tricot weave such as plain weave, twill weave, or satin weave, or a fancy weave using a special loom such as a dobby loom or a jacquard loom. From the viewpoints of skin feel, suitability for the body, and ventilation, a knitted fabric is preferable when used in underwear.
The moisture-retaining cloth is not particularly limited, but is preferably 80g/m in weight per unit area from the viewpoints of strength and feel of wearing when used in underwear, for example 2 Above and 350g/m 2 Hereinafter, it is more preferably 85g/m 2 330g/m of the above 2 Hereinafter, it is more preferable that the weight per unit area is 90g/m 2 Above 320g/m 2 Hereinafter, it is more preferably 100g/m 2 315g/m above 2 Hereinafter, it is more preferably 110g/m 2 315g/m above 2 Hereinafter, it is more preferably 120g/m 2 315g/m above 2 Hereinafter, it is more preferably 140g/m 2 315g/m above 2 Hereinafter, it is more preferably 160g/m 2 315g/m above 2 Hereinafter, more preferable is180g/m 2 315g/m above 2 Hereinafter, it is more preferably 200g/m 2 315g/m above 2 Hereinafter, it is more preferably 220g/m 2 315g/m above 2 Hereinafter, it is more preferably 240g/m 2 315g/m above 2 Hereinafter, it is more preferably 260g/m 2 315g/m above 2 Hereinafter, it is more preferably 280g/m 2 315g/m above 2 The following is given.
(underwear)
The moisture-retaining cloth can be suitable for underwear, and the underwear has good moisture retention and softness and is easy to breathe. The moisturizing cloth of the present invention may be used to form all or a part of the underwear.
The underwear is not particularly limited as long as it is worn in direct contact with the skin. For example, shirts, home wear, women's underwear, underpants (including shorts, stomachs, etc.), waist-wrapping cloth, socks, gloves, sporting goods, etc. can be cited. The moisturizing cloth may be used for other fiber products such as bedding and towels used in contact with the skin, in addition to underwear.
Examples
Hereinafter, the present invention will be described more specifically with reference to examples. The present invention is not limited to the following examples.
The measurement method and the evaluation method are as follows. The measurement and evaluation were performed at a temperature of 23.+ -. 2 ℃ and a relative humidity of 65.+ -. 5%.
(skin moisture increase Rate over two hours and moisture absorption over two hours)
(1) The cloth to be measured was cut to a predetermined size (3 cm. Times.6 cm), and a scotch tape (a "scotch tape (registered trademark)" manufactured by NICHIBAN corporation, 18 mm. Times.35 m, CT405 AP-18) was stuck to the cut cloth for fixing to the skin surface, and the weight of the taped cloth was measured and set to W1.
(2) The skin moisture content of the inner portion of the forearm to which the cloth was attached was measured by a capacitance moisture meter and was designated as Sw1.
(3) The adhesive tape cloth is attached to the inner side of the forearm in such a manner that the cloth contacts the skin surface.
(4) After two hours of standing, the taped cloth was collected, the weight was measured, the average value was set to W2, and the two-hour moisture absorption was calculated by the following equation (1).
(5) The moisture content of the skin surface on the inner side of the forearm after peeling the cloth was measured and given as Sw2, and the skin moisture increase rate was calculated for two hours by the following equation (2).
Let n be 7.
[ number 1]
Two hour moisture absorption (g/cm) 2 )＝(W2-W1)g/(3×6)cm 2
[ number 2]
Skin moisture increase (%) = [ (Sw 2-Sw 1)/Sw 1] ×100 for two hours
(thermal insulation)
The cloth to be measured was cut to a predetermined size (3 cm. Times.6 cm), and the skin surface was covered with a transparent adhesive tape to fix the cloth to the skin surface, and the adhesive tape cloth was attached to the inner side of the forearm so that the cloth was in contact with the skin surface, and the temperature change was observed. The temperature change was observed with an infrared thermal imaging camera, and the temperature change of the cloth surface coated on the skin was measured. The surface temperature of the cloth immediately after the application was measured for 1 hour and two hours, and the average value of the measurement results obtained from 6 times was obtained as the surface temperature of the skin. The surface temperature of the skin immediately after adhesion was set to T0, the surface temperature of the skin after 1 hour was set to T1, and the surface temperature of the skin after two hours was set to T2.
(shear Property)
Shear stiffness was measured by KES-FB1 (KATOLEC Co.) using a sample (size 20 cm. Times.20 cm) under conditions of a shear force of 2.5gf/cm, a shear strain rate of 0.00834/s, and a shear angle of.+ -. 8 ℃.
(bending Property)
As to the stiffness B and bending hysteresis 2HB of the moisture-retaining cloth, KES-FB3 (manufactured by KATOLEC Co., ltd.) can be used, and one end of the sample (effective length 20cm, width 1 cm) can be fixed and the other end can be moved so as to conform to the curvature K= + -2 5cm -1 Ranging from constant velocity (deformationAt a speed of 0.5cm -1 Stiffness B and flexural hysteresis 2HB were measured under the conditions of/sec). The stiffness B and bending hysteresis 2HB are the average values of the warp and weft directions.
In examples and comparative examples, the following fibers were used.
(1) Regenerated collagen fibers: the fibers produced in production example 1 were used.
PREPARATION EXAMPLE 1
A raw material of cow hide is prepared by adding a 30 wt% aqueous hydrogen peroxide solution to a hide piece solubilized with alkali, dissolving the hide piece in an aqueous lactic acid solution, and adjusting the pH to 3.5 and the solid content to 7.5 wt%. The stock solution was subjected to stirring and defoaming treatment under reduced pressure by a stirring and defoaming machine (model 8DMV manufactured by DALTON Co.), transferred to a piston type spinning stock solution tank, and further allowed to stand under reduced pressure to perform defoaming. After the above stock solution was extruded with a piston, the solution was quantitatively fed with a gear pump, filtered with a sintered filter having a pore diameter of 10 μm, and discharged through a spinning nozzle having a pore diameter of 0.07mm, a pore length of 0.5mm and a pore number of 1000 at a spinning speed of 5 m/min into a coagulation bath (pH 11 adjusted by boric acid and sodium hydroxide) containing 20 wt% sodium sulfate at 25 ℃. Next, the obtained solubilized regenerated collagen fibers were prepared by mixing epichlorohydrin: 1.7 wt.%, sodium hydroxide: 0.0246 wt% sodium sulfate (using neutral anhydrous sodium sulfate manufactured by TOSOH corporation): in a 17 wt% aqueous solution, the reaction mixture was immersed at 25℃for 4 hours, and then the reaction mixture was further heated to 43℃for two hours. After the reaction was completed, the reaction solution was removed, and then water washing was performed 3 times in batches with water at 25 ℃. Thereafter, the mixture was immersed in a solution containing aluminum sulfate (aluminum sulfate manufactured by light metals corporation, japan): 5.0% by weight of trisodium citrate (purified sodium citrate M manufactured by Hibiscus Sabdariffa chemical Co., ltd.): 0.9 wt.%, sodium hydroxide: to the aqueous solution of 1.2 wt% at 30℃for two hours, 3 hours and 4 hours after the start of the reaction, 5 wt% aqueous sodium hydroxide solution was added. Then, 3 batch water washes were performed with 25 ℃ water. The washed fiber was immersed in a bath filled with an oil containing Pluronic (registered trademark) polyether-based antistatic agent, and the oil was adhered. The resultant was dried under tension by using a hot air convection dryer adjusted to 50℃to obtain a regenerated collagen fiber (tow) having a single fiber fineness of 2 dtex. The filament bundle, which had been crimped by the gear crimper, was cut into a fiber length of 51mm by a rotary cutter, whereby a regenerated collagen fiber having a single fiber fineness of 2dtex and a fiber length of 51mm was obtained.
< Acrylonitrile-based fiber >
The single fiber fineness was 0.9dtex, the cut length was 38mm, and the product was manufactured by Toli Co., ltd
< polyester fiber >
Polyethylene terephthalate fiber having a single fiber fineness of 1.7dtex and a cut length of 38mm, manufactured by Toli Corp
< rayon fiber >
Lyocell fiber having a single fiber fineness of 0.9dtex and a cut length of 38mm, and "Micro Tencel" manufactured by Lanjing (LENZING) Co "
< Cotton >
The average fiber diameter was 4. Mu.m, and the average cut length was about 30mm
Example 1
A spun yarn (cotton yarn count: 10/1) comprising 100% by weight of the regenerated collagen fiber was produced by ring spinning using a two-inch spinning machine using the regenerated collagen fiber obtained in production example 1, and a knitted fabric (weight per unit area: 313 g/m) was produced using the spun yarn and a plain stitch was produced 2 )。
Examples 2 to 15
The regenerated collagen fibers were mixed with acrylic fibers, polyester fibers, rayon fibers or cotton at the contents shown in tables 1 and 2 below, and ring spun with a two-inch spinning machine to prepare a mixed yarn (cotton yarn count: 10/1), and the mixed yarn was used to prepare a knitted fabric having the weight per unit area shown in tables 1 and 2 below with a plain stitch.
Comparative example 1
Spun yarn (cotton yarn British count: 10/1) made of 100 wt% acrylic fiber was produced by ring spinning using an acrylic fiber with a two-inch spinning machineA knitted fabric was produced from the spun yarn in a plain stitch (weight per unit area: 319 g/m) 2 )。
Comparative example 2
A spun yarn (cotton count: 10/1) made of 100 wt% polyester fiber was produced by ring spinning a polyester fiber using a two-inch spinning machine, and a knitted fabric (weight per unit area: 337 g/m) was produced from the spun yarn using a plain stitch 2 )。
Comparative example 3
A spun yarn (cotton yarn count: 10/1) made of 100% by weight of cotton was produced by ring spinning with a two-inch spinning machine using cotton, and a knitted fabric (weight per unit area: 362 g/m) was produced with a plain stitch using the spun yarn 2 )。
Comparative example 4
Spun yarn (cotton yarn count: 10/1) made of 100 wt% rayon fiber was produced by ring spinning using a two-inch spinning machine, and knitted fabric (weight 309g/m per unit area) was produced using the spun yarn and a plain stitch was produced 2 )。
Comparative examples 5 to 6
The regenerated collagen fibers and the acrylic fibers or polyester fibers were mixed in the amounts shown in Table 3 below, and ring spun with a two-inch spinning machine to prepare a blend yarn (cotton count: 10/1), and the blend yarn was used to prepare a knitted fabric having the weight per unit area shown in Table 3 below in a plain stitch.
The skin moisture increase rate and the moisture absorption amount of two hours were measured for the cloths (knitted fabrics) of examples and comparative examples as described above, and the results are shown in tables 1 to 3 below. The shear stiffness G, stiffness B, and bending hysteresis 2HB of the fabrics (knitted fabrics) of examples and comparative examples were measured as described above, and the results are shown in tables 1 to 3 below.
TABLE 1
TABLE 2
TABLE 3 Table 3
TABLE 4 Table 4
As is apparent from tables 1 and 2, in the examples, the two-hour skin moisture increase rate of the cloth was 0.8% or more and 1.8% or less, and the two-hour moisture absorption amount was 0.70mg/cm 2 The above composition is less prone to stuffiness and has excellent moisture retention. In addition, the shear rigidity is also low, and the fabric is soft.
On the other hand, as can be seen from Table 3, in comparative examples 1, 2, 5 and 6, the cloth had a skin moisture increase rate of more than 1.8% in two hours, resulted in skin stuffiness, and a moisture absorption of less than 0.70mg/cm in two hours 2 The moisture retention property is also poor. In comparative example 3, the cloth had a skin moisture increase rate of less than 0.8% for two hours and a moisture absorption of less than 0.70mg/cm for two hours 2 The moisture retention property is poor. In comparative example 4, the two-hour moisture absorption was less than 0.70mg/cm 2 The moisture retention property is poor.
As is clear from table 4, when the skin was coated with the cloths of examples and comparative examples, the surface temperature of the skin tended to rise from just after coating to 1 hour, while the temperature was lowered after two hours compared with 1 hour. It is assumed that this is because the temperature of the raw fabric is raised by covering the raw fabric with cloth immediately after the covering for 1 hour and then absorbing and retaining the moisture of the body temperature from the skin, but the temperature is lowered by the increase in evaporation of the moisture from the cloth after 1 hour.
As is clear from table 4, when the skin is coated, the difference (T1-T2) between the temperature T1 of the skin surface after 1 hour and the temperature T2 of the skin surface after two hours is smaller in the example containing the regenerated collagen fibers than in the comparative example containing no regenerated collagen fibers, and the heat retaining property is excellent. This is presumably because the cloth containing regenerated collagen fibers excellent in moisture retention absorbs moisture, but evaporation of the moisture from the cloth is limited, so that the temperature is not easily lowered, and the heat retention is exhibited.
The present invention is not particularly limited, but preferably includes at least the following embodiments.
[1] A moisture retention fabric, characterized in that:
the moisture-retaining cloth comprises regenerated collagen fibers,
the moisture retention cloth has a skin moisture increase rate of 0.8% or more and 1.8% or less in two hours, and a moisture absorption capacity of 0.70mg/cm in two hours 2 The above.
[2]According to [1] above]The moisture-retaining cloth, wherein the stiffness B of the moisture-retaining cloth is 0.015gf cm 2 Over/cm and 0.19gf cm 2 And bending hysteresis 2HB is 0.015gf cm/cm or more and 0.45gf cm/cm or less.
[3] The moisture-retaining cloth according to the above [1] or [2], wherein the shear stiffness G of the moisture-retaining cloth is 0.15 gf/cm. Deg. or more and 0.45 gf/cm. Deg. or less.
[4] The moisturizing cloth according to any one of the above [1] to [3], wherein a difference (T1-T2) between a temperature T1 of the skin surface after 1 hour and a temperature T2 of the skin surface after two hours is less than 0.10 ℃ when the moisturizing cloth is coated on the skin.
[5] The moisturizing cloth according to any one of the above [1] to [4], wherein the moisturizing cloth comprises regenerated collagen fibers at 40% by weight or more and 70% by weight or less.
[6] The moisture-retaining fabric according to any one of the above [1] to [5], wherein the moisture-retaining fabric further comprises at least one fiber selected from the group consisting of polyester-based fibers, acrylic-based fibers and cellulose-based fibers in an amount of 30% by weight or more and 60% by weight or less.
[7]According to [1] above]～[6]The moisturizing cloth according to any one of claims, wherein the moisturizing clothWeight per unit area of 80g/m 2 Above and 350g/m 2 The following are the following
[8] The moisturizing cloth according to any one of the above [1] to [7], wherein the moisturizing cloth is a woven fabric.
[9] An undergarment, characterized in that: the moisture-retaining cloth according to any one of the above [1] to [8 ].
Claims (9)
1. A moisture retention fabric, characterized in that:
the moisture-retaining cloth comprises regenerated collagen fibers,
the moisture retention cloth has a skin moisture increase rate of 0.8% or more and 1.8% or less in two hours, and a moisture absorption capacity of 0.70mg/cm in two hours 2 The above.
2. The moisture-retaining cloth according to claim 1, wherein the stiffness B of the moisture-retaining cloth is 0.015gf cm 2 Over/cm and 0.19gf cm 2 And bending hysteresis 2HB is 0.015gf cm/cm or more and 0.45gf cm/cm or less.
3. The moisture-retaining cloth according to claim 1 or 2, wherein the shear stiffness G of the moisture-retaining cloth is 0.15 gf/cm-deg or more and 0.45 gf/cm-deg or less.
4. A moisturizing cloth according to any one of claims 1 to 3, wherein the difference (T1-T2) between the temperature T1 of the skin surface after 1 hour and the temperature T2 of the skin surface after two hours is lower than 0.10 ℃ when the moisturizing cloth is coated on the skin.
5. The moisture-retaining cloth according to any one of claims 1 to 4, wherein the moisture-retaining cloth comprises regenerated collagen fibers at 40% by weight or more and 70% by weight or less.
6. The moisture-retaining fabric according to any one of claims 1 to 5, wherein the moisture-retaining fabric further comprises at least one fiber selected from the group consisting of polyester-based fibers, acrylic-based fibers and cellulose-based fibers at 30% by weight or more and 60% by weight or less.
7. The moisture-retaining cloth according to any one of claims 1 to 6, wherein the weight per unit area of the moisture-retaining cloth is 80g/m 2 Above and 350g/m 2 The following is given.
8. The moisturizing cloth according to any one of claims 1 to 7, wherein the moisturizing cloth is a woven fabric.
9. An undergarment, characterized in that: a moisture-retaining cloth according to any one of claims 1 to 8.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021077443 | 2021-04-30 | ||
| JP2021-077443 | 2021-04-30 | ||
| PCT/JP2022/016698 WO2022230609A1 (en) | 2021-04-30 | 2022-03-31 | Humectant cloth and undergarment including same |
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| CN116710607A true CN116710607A (en) | 2023-09-05 |
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| CN202280008654.1A Pending CN116710607A (en) | 2021-04-30 | 2022-03-31 | Moisture-retaining cloth and underwear comprising same |
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| Country | Link |
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| JP (1) | JPWO2022230609A1 (en) |
| CN (1) | CN116710607A (en) |
| WO (1) | WO2022230609A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06200474A (en) * | 1992-12-28 | 1994-07-19 | Kanegafuchi Chem Ind Co Ltd | Method for treating regenerated collagen fiber |
| CN203187873U (en) * | 2013-04-14 | 2013-09-11 | 晋江市闽高纺织科技有限公司 | Collagen fluffy shell fabric |
| CN103952823A (en) * | 2014-05-14 | 2014-07-30 | 安徽泰鸿嘉纺织有限公司 | Multi-component mixed worsted yarn |
| WO2016204280A1 (en) * | 2015-06-19 | 2016-12-22 | 株式会社カネカ | Sheet for beauty care face masks |
| JP2022073917A (en) * | 2020-11-02 | 2022-05-17 | 株式会社カネカ | Fabric and underwear made from regenerated collagen fiber |
| KR102296605B1 (en) * | 2021-04-15 | 2021-09-01 | 주식회사 임베스트 | Quilt containing collagen fabric |
-
2022
- 2022-03-31 WO PCT/JP2022/016698 patent/WO2022230609A1/en active Application Filing
- 2022-03-31 CN CN202280008654.1A patent/CN116710607A/en active Pending
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