CN1345578A - Underpants used in menstrual period - Google Patents

Underpants used in menstrual period Download PDF

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Publication number
CN1345578A
CN1345578A CN01137104A CN01137104A CN1345578A CN 1345578 A CN1345578 A CN 1345578A CN 01137104 A CN01137104 A CN 01137104A CN 01137104 A CN01137104 A CN 01137104A CN 1345578 A CN1345578 A CN 1345578A
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CN
China
Prior art keywords
mentioned
fiber
menstrual period
stretch fabric
deodoriging properties
Prior art date
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Granted
Application number
CN01137104A
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Chinese (zh)
Other versions
CN1222266C (en
Inventor
和田充弘
菅文美
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Unicharm Corp
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Unicharm Corp
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Publication date
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Publication of CN1345578A publication Critical patent/CN1345578A/en
Application granted granted Critical
Publication of CN1222266C publication Critical patent/CN1222266C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41B—SHIRTS; UNDERWEAR; BABY LINEN; HANDKERCHIEFS
    • A41B9/00—Undergarments
    • A41B9/04—Knickers for ladies, with or without inserted crotch or seat parts
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41B—SHIRTS; UNDERWEAR; BABY LINEN; HANDKERCHIEFS
    • A41B9/00—Undergarments
    • A41B9/12—Protective undergarments
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/56—Supporting or fastening means
    • A61F13/66—Garments, holders or supports not integral with absorbent pads
    • A61F13/68—Garments, holders or supports not integral with absorbent pads abdominal enclosing type
    • A61F13/72—Garments, holders or supports not integral with absorbent pads abdominal enclosing type with endless waist encircling band, e.g. panty type
    • 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
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/58—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with nitrogen or compounds thereof, e.g. with nitrides
    • D06M11/63—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with nitrogen or compounds thereof, e.g. with nitrides with hydroxylamine or hydrazine
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41B—SHIRTS; UNDERWEAR; BABY LINEN; HANDKERCHIEFS
    • A41B2400/00—Functions or special features of shirts, underwear, baby linen or handkerchiefs not provided for in other groups of this subclass
    • A41B2400/22—Breathability, i.e. being vapour permeable and waterproof
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41B—SHIRTS; UNDERWEAR; BABY LINEN; HANDKERCHIEFS
    • A41B2400/00—Functions or special features of shirts, underwear, baby linen or handkerchiefs not provided for in other groups of this subclass
    • A41B2400/36—Deodorising or perfuming
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41B—SHIRTS; UNDERWEAR; BABY LINEN; HANDKERCHIEFS
    • A41B2500/00—Materials for shirts, underwear, baby linen or handkerchiefs not provided for in other groups of this subclass
    • A41B2500/20—Woven
    • 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
    • D06M2101/18—Synthetic fibres consisting of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M2101/26—Polymers or copolymers of unsaturated carboxylic acids or derivatives thereof
    • D06M2101/28—Acrylonitrile; Methacrylonitrile
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2501/00—Wearing apparel
    • D10B2501/02—Underwear

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Undergarments, Swaddling Clothes, Handkerchiefs Or Underwear Materials (AREA)

Abstract

Activated carbon is used in a traditional sanitary shorts for a deodorizing effect resulting from a physical absorption, According to the traditional method, it is not capable of completely adsorbing an irritating odor from both basic gases like, for instance, ammonia, etc., and acid gases like a lower fatty acid etc. An elastic cloth material 20 is made by tricot half knitting of a polyurethane fiber yarn 31 and a nylon fiber yarn 32. A loop 33 is formed on skin side. A fiber yarn 35 having a deodorizing function is knitted into this loop 33. This fiber yarn 35 contains a fiber which exhibits a function to prevent odor by pH adjustment, and is capable of exhibiting the excellent deodorizing effect for basic gases and acid gases.

Description

Underpants used in menstrual period
Technical field
The present invention relates to underpants used in menstrual period, this underpants used in menstrual period obtains deodoriging properties by adjusting by pH, through the cloth of fibrage, forms.
Background technology
Underpants used in menstrual period in the past forms by take the aeration material that nylon etc. is main body, and it guarantees the aeration as the crotch bottom of the placement section of sanitary towel, and by underwear being comprised take the material of the physical adsorbability that active carbon etc. is representative, forms odor removal measure.
But, if adopt physical absorption, only adsorbing specific material, can not adsorb completely such as, this pungent odour of two kinds of sour gas of the alkaline gas of ammonia etc. and lower fatty acid etc.
In addition, in physical absorption, because absorption affinity has restriction, therefore in the long-time occasion of using underpants used in menstrual period, can not obtain effective deodorizing effect.
The present invention is used for addressing the above problem, and the object of the present invention is to provide following underpants used in menstrual period, and this underwear particularly adopts by forming the cloth of underwear the mode of adjusting the fiber with deodorant performance by pH, can improve deodorant performance.
Summary of the invention
The present invention relates to a kind of underpants used in menstrual period, front trousers wherein, rear trouser plate, and crotch bottom forms by stretch fabric, waist portion and the pair of leg peristome with the rim portion that is formed at above-mentioned front trousers and rear trouser plate, above-mentioned crotch bottom forms the placement section of sanitary towel, it is characterized in that:
Above-mentioned stretch fabric contains elastic fibre, and the fiber that obtains deodoriging properties, and the fiber that obtains above-mentioned deodoriging properties is only positioned at the skin side of above-mentioned stretch fabric, or according to the mode that skin side is more than outside is woven.
Such as, at least a portion that obtains the fiber of above-mentioned deodoriging properties is crosslinking acrylate, and this acrylate has cross-bond and the carboxyl process forming through hydrazine, and pH is adjusted in 4.0～7.0 scope.
According to the present invention, in the occasion that produces the alkaline gas of ammonia etc., with the carboxyl neutralization of above-mentioned crosslinking acrylate, carry out pH adjustment.So, above-mentioned alkaline gas is sealed in above-mentioned crosslinking acrylate, this gas does not leak into the outside of underwear.
In addition, in the occasion that produces the sour gas of lower fatty acid etc., with the crosslinked element N neutralization of hydrazine, carry out pH adjustment., above-mentioned sour gas is sealed in above-mentioned cross-linking type acrylic acid, this gas does not leak into the outside of underwear for this reason.
In addition, according to the present invention, the pH of above-mentioned crosslinking acrylate is preferably in 4.0～7.0 interior adjustment of scope, and it is faintly acid.People's skin is faintly acid.Due to the occasion producing alkalescence or sour gas, between these gases and crosslinking acrylate, in carrying out, adjust with pH, therefore above-mentioned crosslinking acrylate remains on faintly acid, even in the situation that above-mentioned crosslinking acrylate directly contacts with skin, still can not damage the health of skin.
Also have, such as, above-mentioned stretch fabric is by above-mentioned elastic fibre, or elastic fibre and non-elastic fibre, in skin side, form circle, the fiber that connects between circle and tilt to extend is woven according to the mode that is positioned at outside, obtain the fibrage of above-mentioned deodoriging properties in above-mentioned circle place, can form Te Li section half warp-knitted fabric (plain weave half full cardigan fabric).
Accompanying drawing explanation
Fig. 1 is for representing the perspective view of the underpants used in menstrual period of embodiments of the invention;
Fig. 2 is the expanded view of the underpants used in menstrual period of Fig. 1;
Fig. 3 is for representing to form the enlarged drawing of the stretch fabric of underpants used in menstrual period from outside.
The specific embodiment
Fig. 1 is for representing the perspective view of the underpants used in menstrual period of embodiments of the invention, and Fig. 2 is for representing the expanded view of the medial surface of above-mentioned underwear, and Fig. 3 represents to form the amplification key diagram of an example of braiding structure of the stretch fabric of underpants used in menstrual period for side from the outside.
In Fig. 2, front trousers 11, crotch bottom 13, the continuous Y-direction of rear trouser plate 12 is that longitudinally the directions X perpendicular with it is horizontal.In this underpants used in menstrual period, front trousers 11, rear trouser plate 12, crotch bottom 13 is formed by stretch fabric 20.By the lateral margin 11a of above-mentioned front trousers 11 is engaged with the lateral margin 12a of above-mentioned rear trouser plate 12, the lateral margin 11b of above-mentioned front trousers 11 is engaged with the lateral margin 12b of above-mentioned rear trouser plate 12, this stretch fabric 20 keeps continuous around waist.In addition, at top, waist portion 15 openings, the both sides in crotch bottom 13, form leg opening portion 16,16.
Inner side in above-mentioned crotch bottom 13, superimposed have retractility, and the waterproof cloth of aeration (or cloth of hydrophobicity) 18, and its edge part and stretch fabric 20 are sewed up.Underpants used in menstrual period 25 shown in Fig. 1 is arranged on above-mentioned crotch bottom 13, the inner side of above-mentioned waterproof cloth 18.
Above-mentioned stretch fabric 20 is good by skin feel, and has the material formation of aeration.The enlarged drawing that Fig. 3 is the above-mentioned stretch fabric 20 seen from outside.The polyurethane fiber silk 31 that this stretch fabric 20 is formed by the polyurethane fiber by as elastic extension fiber, and the nylon fiber silk 32 that passes through the nylon fiber formation of the good non-elastic fibre of contact skin, form plain weave half full cardigan fabric.
In this fabric, in the paper inner side of Fig. 3, polyurethane fiber silk 31 forms circle 33 together with nylon fiber silk 32.In Fig. 3, when take the line O-O that extends along the vertical direction during as datum line, from being positioned at the bottom side cardinal extremity of the circle 33 of said reference line O-O, polyurethane fiber silk 31 is towards left shoulder upward direction and left shoulder downward direction, extend obliquely compared with big-length, this polyurethane fiber silk 31 is positioned at the most close oneself the side of the paper of Fig. 3.In addition, nylon fiber silk 32, from being positioned at the bottom side cardinal extremity of the circle 33 of said reference line O-O, towards right shoulder upward direction and right shoulder downward direction, extends smaller length obliquely.This nylon fiber silk 32 is by the paper inner side of above-mentioned polyurethane fiber silk 31.In addition, above-mentioned polyurethane fiber silk 31 forms circle 33 with another nylon fiber silk 32 that extend in the left side towards datum line O-O, above-mentioned nylon fiber silk 32 with from datum line O-O, another polyurethane fiber silk 31 extending towards right side forms circle 33.So whole circles 33 is positioned at paper inner side.
Above-mentioned cloth can extend by above-mentioned polyurethane fiber silk 31, and the 33 flexible modes of enclosing realize elongation, if remove pulling force,, under the effect of the elastic restoring force of polyurethane fiber silk 31, this cloth returns to initial condition.
In this stretch fabric 20, along the stroke of the left and right directions of Fig. 3, be greater than along the stroke of the above-below direction of Fig. 3.Stretch fabric 20 shown in Fig. 3 is according to the state towards longitudinal (Y-direction) of the underpants used in menstrual period of Fig. 2 at left and right directions, and 33 modes that are positioned at skin side of enclosing are in addition made.
In addition, on the circle 33 of paper inner side (skin side of underwear) that is positioned at the stretch fabric 20 shown in Fig. 3, be woven with the cellosilk 35 that obtains deodoriging properties.So the cellosilk 35 that obtains above-mentioned deodoriging properties forms the skin side that is only positioned at underpants used in menstrual period, is positioned at hardly the structure in outside.In addition,, because the braiding structure of cloth is not limited to the knitting fabric of plain weave half full cardigan shown in Fig. 3, it also can be other braiding structure.In addition,, because of braiding structure, the cellosilk 35 of above-mentioned deodoriging properties also can be positioned at outside.But, according to the present invention, best relative outside, above-mentioned cellosilk 35 majorities are positioned at the skin side of cloth.
In addition, in Fig. 3, form the structure of polyurethane fiber silk 31 and 32 braidings of nylon fiber silk, but, such as, the yarn that also can have by the surface coverage by polyurethane fiber the composite fibre of nylon to form, forms above-mentioned stretch fabric 20, in the skin side of this cloth 20, braiding obtains the cellosilk 35 of deodoriging properties.
The cellosilk 35 that obtains above-mentioned deodoriging properties is the ultimate fibre of crosslinking acrylate, and with the yarn of the filamentary blending of acrylic acid series, it is in the scope of 150～250dtex.
Above-mentioned crosslinking acrylate is with acrylonitrile (CH 2=CH-CN) be main body with the copolymer as the acrylic acid methyl ester. of monomer.As other example of above-mentioned monomer, can exemplify the monomer that contains sulfonic acid of vinyl halides, vinyl halides fork, p styrene sulfonic acid etc. or the monomer that contains carboxylic acid in its salt, itaconic acid etc. or its salt, acrylamide, styrene, vinyl acetate etc.
Crosslinking acrylate of the present invention is the crosslink type forming in the following manner, and which is: by hydrazine, aforesaid propylene acid esters is processed, made cyano group (CN) realize crosslinked bonding.As hydrazine (NH 2-NH 2), can exemplify hydrazine hydrate, sulphuric acid hydrazine etc.
Also can pass through hydrolysis process, change a part for residual cyano group into carboxyl (COOH), change residual cyano group into amide groups (CONH 2).The alkaline aqueous solution of this conversion process by mixed alkali metal hydroxide, ammonia etc. or strong acid etc. are realized.In addition, the pH of crosslinking acrylate of the present invention is adjusted in 4.0～7.0 scope, to form faintly acid.
Figure 3710400061
Chemical formula 1 comprises the main chain being formed by the monomer polymerization of acrylonitrile and other, between these main chains, by bridged bond A, realizes crosslinked bonding.Bridged bond A refers to that residual cyano group processes the part that realizes crosslinked bonding by hydrazine.
If the juice of the discharge liquor of menstruation during menstrual period etc. or the antiperspirant of discharging in health etc. is exposed to air, due to the factor of Oxidation etc., therefore produce the alkaline gas of the sour gas of lower fatty acid etc. or ammonia etc.
According to the present invention, when producing the gas of so unaccommodated pungent odor, the deodorization that the pH by above-mentioned crosslinking acrylate adjusts, suitably suppresses the outside that above-mentioned gas leaks into underwear.
That is,, between the alkaline gas and the carboxyl shown in Chemical formula 1 of ammonia etc., the pH neutralizing adjusts.As mentioned above, crosslinking acrylate, for pH being adjusted to the weakly acidic type in 4.0～7.0 scope, by adjusting pH, makes above-mentioned crosslinking acrylate suitably keep faintly acid.
In addition, according to the present invention, due to the effect of the neutralization reaction with carboxyl, above-mentioned alkaline gas is sealed in crosslinking acrylate, therefore can suitably suppress the outside that above-mentioned gas leaks into underwear, can improves deodorizing effect.
In addition, for the sour gas of lower fatty acid etc., carry out and the element N of bridged bond A between the pH of neutralization adjust.By this pH, adjust, make above-mentioned crosslinking acrylate keep faintly acid.
Also have, at above-mentioned sour gas, and under the effect of the neutralization reaction between the crosslinked N of hydrazine, above-mentioned gas is sealed in crosslinking acrylate, can suitably suppress this Leakage Gas to the outside of underwear, can improve deodorizing effect.
If adopt in the manner described above the present invention, when producing alkaline gas or sour gas, under the effect of above-mentioned crosslinking acrylate, at the pH that adjusts neutralization reaction, keep the weakly acidic while, above-mentioned alkaline gas or sour gas are sealed in above-mentioned crosslinking acrylate, can obtain effective odor-resistant result.
There is again the addition polymer that the resin that forms the acrylic fibers of above-mentioned silvalin 35 is acrylonitrile.
If according to described employing underpants used in menstrual period of the present invention above, by being positioned at the fiber with deodoriging properties of inner side, can obtain deodorization odor-resistant result.In addition, owing to obtaining the fiber of above-mentioned deodoriging properties, be mainly positioned at the musculus cutaneus side of underwear, therefore can wish higher deodorizing effect.

Claims (3)

1. a underpants used in menstrual period, it is by front trousers, rear trouser plate, and crotch bottom forms by stretch fabric, waist portion and the pair of leg peristome with the rim portion that is formed at above-mentioned front trousers and rear trouser plate, above-mentioned crotch bottom forms the placement section of sanitary towel, it is characterized in that:
Above-mentioned stretch fabric contains elastic fibre, and the fiber that obtains deodoriging properties, and the fiber that obtains above-mentioned deodoriging properties is only positioned at the skin side of above-mentioned stretch fabric, or according to the mode that skin side is more than outside is woven.
2. underpants used in menstrual period according to claim 1, the at least a portion that it is characterized in that obtaining the fiber of above-mentioned deodoriging properties is crosslinking acrylate, this acrylate has cross-bond and the carboxyl process forming through hydrazine, and pH is adjusted in 4.0～7.0 scope.
3. underpants used in menstrual period according to claim 1 and 2, it is characterized in that above-mentioned stretch fabric is by above-mentioned elastic fibre, or elastic fibre and non-elastic fibre, in skin side, form circle, the fiber that connects between circle and tilt to extend is woven according to the mode that is positioned at outside, and the fiber that obtains above-mentioned deodoriging properties weaves at above-mentioned circle place.
CNB011371048A 2000-06-19 2001-06-19 Underpants used in menstrual period Expired - Fee Related CN1222266C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000182853A JP3748034B2 (en) 2000-06-19 2000-06-19 Sanitary shorts
JP182853/2000 2000-06-19

Publications (2)

Publication Number Publication Date
CN1345578A true CN1345578A (en) 2002-04-24
CN1222266C CN1222266C (en) 2005-10-12

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CNB011371048A Expired - Fee Related CN1222266C (en) 2000-06-19 2001-06-19 Underpants used in menstrual period

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JP (1) JP3748034B2 (en)
KR (1) KR100776225B1 (en)
CN (1) CN1222266C (en)
TW (1) TW498753U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115516043A (en) * 2020-04-27 2022-12-23 住友精化株式会社 Particulate water-absorbent resin composition, absorbent body, and absorbent article

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20230008055A (en) * 2020-04-27 2023-01-13 스미토모 세이카 가부시키가이샤 Particulate water-absorbent resin composition and its manufacturing method, absorbent body, and absorbent article

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DE3911828A1 (en) * 1989-04-11 1990-10-18 Basf Ag GLASS FIBER REINFORCED THERMOPLASTIC MOLDING MATERIALS BASED ON POLYESTERS AND GRAFT POLYMERS
JPH0397913A (en) * 1989-09-06 1991-04-23 Nippon Zeon Co Ltd Deodorizing acrylic fiber
CA2071962C (en) * 1990-02-12 1994-09-20 Nancy Karapasha High capacity odor controlling compositions
JP3692612B2 (en) * 1996-05-15 2005-09-07 東洋紡績株式会社 Pile fabric
KR20000007733A (en) * 1998-07-07 2000-02-07 이희명 Antibiotic deodorized fibrous textile and production method and products thereby
KR20000021168A (en) * 1998-09-26 2000-04-15 노성훈 Hygienic panty
KR100333972B1 (en) * 1999-05-24 2002-04-24 송성원 A water-absorbent resin compound, and a process of preparing the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115516043A (en) * 2020-04-27 2022-12-23 住友精化株式会社 Particulate water-absorbent resin composition, absorbent body, and absorbent article
CN115516043B (en) * 2020-04-27 2024-06-28 住友精化株式会社 Particulate water-absorbent resin composition, absorber, and absorbent article

Also Published As

Publication number Publication date
JP3748034B2 (en) 2006-02-22
KR20010113531A (en) 2001-12-28
CN1222266C (en) 2005-10-12
KR100776225B1 (en) 2007-11-16
JP2002000659A (en) 2002-01-08
TW498753U (en) 2002-08-11

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