KR100335684B1 - Method for making knitted fabric with excellent water-transition ability - Google Patents
Method for making knitted fabric with excellent water-transition ability Download PDFInfo
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- KR100335684B1 KR100335684B1 KR1020020004993A KR20020004993A KR100335684B1 KR 100335684 B1 KR100335684 B1 KR 100335684B1 KR 1020020004993 A KR1020020004993 A KR 1020020004993A KR 20020004993 A KR20020004993 A KR 20020004993A KR 100335684 B1 KR100335684 B1 KR 100335684B1
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- knitted fabric
- pet
- excellent water
- nylon
- water
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- 239000004744 fabric Substances 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims description 10
- 239000000835 fiber Substances 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000004677 Nylon Substances 0.000 claims abstract description 16
- 229920001778 nylon Polymers 0.000 claims abstract description 16
- 239000002131 composite material Substances 0.000 claims abstract description 14
- 230000007704 transition Effects 0.000 claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 claims abstract description 8
- 238000012546 transfer Methods 0.000 claims description 4
- 238000012545 processing Methods 0.000 abstract description 4
- 230000004580 weight loss Effects 0.000 abstract description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 22
- 239000005020 polyethylene terephthalate Substances 0.000 description 22
- 238000010521 absorption reaction Methods 0.000 description 5
- 229920000642 polymer Polymers 0.000 description 5
- 239000011148 porous material Substances 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000002657 fibrous material Substances 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- 239000000975 dye Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000009940 knitting Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000012266 salt solution Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- FDTLQXNAPKJJAM-UHFFFAOYSA-N 2-(3-hydroxyquinolin-2-yl)indene-1,3-dione Chemical compound O=C1C2=CC=CC=C2C(=O)C1C1=NC2=CC=CC=C2C=C1O FDTLQXNAPKJJAM-UHFFFAOYSA-N 0.000 description 1
- 229920002292 Nylon 6 Polymers 0.000 description 1
- 229920002302 Nylon 6,6 Polymers 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 229920002058 Tactel Polymers 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000000985 reactive dye Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Classifications
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- 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
- D04B1/16—Other fabrics or articles characterised primarily by the use of particular thread materials synthetic threads
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47G—HOUSEHOLD OR TABLE EQUIPMENT
- A47G9/00—Bed-covers; Counterpanes; Travelling rugs; Sleeping rugs; Sleeping bags; Pillows
- A47G9/02—Bed linen; Blankets; Counterpanes
- A47G9/0207—Blankets; Duvets
- A47G9/0223—Blankets
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47G—HOUSEHOLD OR TABLE EQUIPMENT
- A47G9/00—Bed-covers; Counterpanes; Travelling rugs; Sleeping rugs; Sleeping bags; Pillows
- A47G9/02—Bed linen; Blankets; Counterpanes
- A47G9/0284—Counterpanes
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/28—Formation of filaments, threads, or the like while mixing different spinning solutions or melts during the spinning operation; Spinnerette packs therefor
- D01D5/30—Conjugate filaments; Spinnerette packs therefor
- D01D5/32—Side-by-side structure; Spinnerette packs therefor
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/12—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyamide as constituent
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/14—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B9/00—Circular knitting machines with independently-movable needles
- D04B9/06—Circular knitting machines with independently-movable needles with needle cylinder and dial for ribbed goods
- D04B9/08—Circular knitting machines with independently-movable needles with needle cylinder and dial for ribbed goods for interlock goods
-
- 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
- D10B2509/00—Medical; Hygiene
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Knitting Of Fabric (AREA)
Abstract
본 발명은 PET 필라멘트를 이용하여 제편한 일면과 PET/나일론 분할형 복합섬유를 사용하여 타면으로 한 이중편물을 감량가공하는 것을 특징으로하는 수분전이성이 우수한 편물의 제조방법으로서 이에 의해 제조된 편물은 흡습 및 흡수한 수분을 외부로 빠르게 배출할 수 있다.The present invention is a method for producing a knitted fabric with excellent water transition, characterized in that the double-knit made of PET filament and the other side using PET / nylon split type composite fiber, the weight loss processing. The moisture absorbed and absorbed can be quickly discharged to the outside.
Description
본 출원은 대한민국 특허출원 제10-2000-42295호(수분전이성이 우수한 직편물의 제조방법 및 이에 의해 제조된 직편물}의 분할 출원으로서, 상기 출원에 개시된 내용은 본 출원의 명세서에 참고된다.This application is a divided application of Korean Patent Application No. 10-2000-42295 (Method of Manufacturing a Knitted Fabric with Excellent Water Transition and Knitted Fabric Made by the Same), the contents of which are disclosed in the specification of the present application.
본 발명은 섬유집합체단면으로 수분의 전이가 빠른 수분전이성이 우수한 편물의 제조방법에 관한 것으로, 더욱 상세하게는 원사단면이 상이한 실을 사용하여 이중직의 편물을 제조하고 이를 감량가공하여 섬유사이의 공간을 형성하여 공극이 큰 면에서부터 공극이 작은 면으로 수분이 용이하게 배출되도록 한 수분전이성이 우수한 편물의 제조방법에 관한 것이다.The present invention relates to a method for producing a knitted fabric having excellent water transfer properties, which has a rapid transition of moisture to a fiber aggregate section, and more particularly, to manufacture a double-woven knitted fabric using different yarn cross-sections, and to reduce and process the space between fibers. The present invention relates to a method for producing a knitted fabric having excellent water transition property by forming water so that moisture is easily discharged from the large pore side to the small pore side.
흡수/흡습성은 섬유내부, 섬유사이, 실사이 등에 존재하는 공간에 의해서 그 공간을 통과하는 액체가 소위 모세관현상에 의해 이동하는 것을 기본으로 한다. 따라서 섬유소재의 흡수/흡습성은 섬유소재내에 얼마나 미세한 공간을 형성하는 가가 열쇠가 된다.Absorption / hygroscopicity is based on the movement of the liquid passing through the space by the so-called capillary phenomenon by the space present in the fiber, between the fibers, and between the yarns. Therefore, the absorption / hygroscopicity of the fiber material is the key to how much space is formed in the fiber material.
섬유소재에 흡수, 흡습, 투습성을 부여하기 위한 가공방법으로는 섬유내부의 개질과 섬유표면의 개질, 섬유 혹은 옷감상태에의 개질의 방법이 있다.As a processing method for imparting absorption, moisture absorption, and moisture permeability to the fiber material, there are a method of modifying the inside of the fiber, modifying the fiber surface, and modifying the fiber or fabric state.
본 발명은 이형단면을 갖는 복합섬유를 사용하여 이중직의 편물을 제조하고 이를 감량가공하여 상기 편물의 일면과 이면의 공극율의 차이에 의해 수분이 공극이 작은쪽으로 이동되도록 함으로써 수분전이성(흡한속건성)이 우수한 편물의 제조방법을 제공하고자 하는 것이 목적이다.The present invention manufactures a knitted fabric of a double woven fabric using a composite fiber having a heteromorphic cross-section and reduced weight processing so that the moisture is moved to a smaller pore due to the difference in porosity of one side and the back side of the knitted fabric, so that the moisture transferability (absorption quick-drying) It is an object to provide an excellent method for producing a knitted fabric.
도 1은 PET/나일론 분할형 복합섬유의 단면도1 is a cross-sectional view of PET / nylon split composite fiber
도 2는 수분전이 속도 측정장비의 개략도Figure 2 is a schematic diagram of the water transition rate measurement equipment
상기의 목적을 달성하기 위해 본 발명은 PET 필라멘트를 이용하여 제편한 일면과 PET/나일론 분할형 복합섬유를 사용하여 제편한 타면으로 한 이중편물을 감량가공하여 상기 일면과 상기 타면의 공극율을 다르게 함으로써 수분이 상기 일면으로부터 상기 타면으로 이동하는 것을 특징으로하는 수분전이성이 우수한 편물의 제조방법을 제공한다.In order to achieve the above object, the present invention is to reduce the porosity between the one surface and the other surface by weight-reducing the double-knit knitted on the one side and the other side using the PET / nylon split type composite fiber using PET filament Provided is a method for producing a knitted fabric having excellent water transition, characterized in that water moves from the one surface to the other surface.
이하 본 발명을 상세히 설명한다.Hereinafter, the present invention will be described in detail.
본 발명의 명세서 및 청구범위에서 사용하는 수분전이라 함은 편직물의 내면과 외면의 공극율의 차이에 의해 수분이 공극율이 큰면에서 공극율이 작은면으로 빠르게 이동하는 현상을 의미한다.As used in the specification and claims of the present invention, the term "moisture field" refers to a phenomenon in which moisture rapidly moves from a surface having a large porosity to a surface having a small porosity due to a difference in porosity between the inner and outer surfaces of the knitted fabric.
본 발명의 방법은 더블니트(양면조직)으로 제편을 할 때, 통상의 PET 섬유를 사용하여 싱글니트편(A)을 형성하고 PET/나일론 분할형 복합섬유를 사용하여 다른 싱글니트편(B)을 형성하여 상기의 두 개의 싱글니트편(A, B) 편성물을 얽어 주어 더블니트를 제편한 후, 상기의 더블니트를 감량가공하여 일면과 타면의 공극의 크기에 차이를 나게 하는 것이다. 따라서 수분은 공극이 큰 면(A)에서부터 공극이 작은 면(B)으로 이동하게 되는 것이다.The method of the present invention forms a single knit piece (A) using ordinary PET fibers when knitting into a double knit (double-sided tissue), and another single knit piece (B) using PET / nylon split composite fibers. After forming the two single knit pieces (A, B) to entangle the knitted fabric to knit the double knit, and then to reduce the size of the double knit to make a difference in the size of the voids on one side and the other side. Therefore, the moisture is to move from the surface (A) with a large void to the surface (B) with a small void.
따라서 통상의 PET섬유만으로 구성된 일면(A)과 감량가공에 의해 이형단면화된 타면(B)은 공극의 크기에 차이가 나게되어 공극이 작은 쪽으로 수분이 이동하게 되는 것이다.Therefore, the one surface (A) consisting of only ordinary PET fibers and the other surface (B) released by weight reduction processing is different in the size of the pores, so that the water moves to the smaller pore.
감량가공에 의해 이형단면화되는 PET/나일론 복합섬유는 통상의 PET 섬유의 단면이 실질적으로 원형인 것과는 달리 PET폴리머(20)와 나일론(10)의 경계에서의 알카리에 의한 PET폴리머의 용출과 섬유표면의 개질에 의해 실질적으로 삼각단면 등의 이형단면의 형상이 되기 때문에 공극의 크기에 차이가 나게 되어 모세관 현상에 의해 수분이 이동되는 것이다.The PET / nylon composite fiber which is sectionalized by weight loss processing is different from the general circular shape of the PET fiber, whereas the PET polymer is eluted by alkali at the boundary between the PET polymer 20 and the nylon 10. Due to the modification of the surface, it becomes substantially the shape of a heteromorphic cross section such as a triangular cross section, so that the size of the voids is different and moisture is moved by the capillary phenomenon.
또한 PET/나일론 복합섬유는 저속가연기에서 이미 어느 정도(대략 13 ∼18%)의 분할이 이루어져 있기 때문에 PET폴리머와 나일론의 경계에서의 알카리에 의한 PET폴리머의 용출은 촉진될 수 있다.In addition, since the PET / nylon composite fiber has already been divided to some extent (approximately 13 to 18%) in a low speed combustor, the dissolution of the PET polymer by alkali at the boundary between the PET polymer and nylon can be promoted.
상기의 PET 필라멘트와 PET/나일론 분할형 복합섬유는 상업적으로 구득가능한 것이다. 폴리에스테르 필라멘트는 폴리에틸렌테레프탈레이트 (Polyethyleneterephthalate, 이하 PET라 함)로 대표되는 섬유형성능이 있는 폴리에스테르 또는 그 공중합물로 알카리 감량성이 있으며 나일론은 나일론 6 및 나일론 66으로 대표되는 폴리아미드고분자로 알카리 감량특성이 없다.The above PET filament and PET / nylon split composite fiber are commercially available. Polyester filament is a fiber-forming polyester or copolymer thereof represented by polyethylene terephthalate (PET), and has alkali-reducing, and nylon is an alkali-reducing polyamide polymer represented by nylon 6 and nylon 66. There is no characteristic.
본 발명에 사용되는 PET/나일론 분할형 복합섬유는 도 1에 도시한 것과 같은 단면형태를 가지고 있으며 가연 및 알카리 감량에 의해 분할이 이루어져 단면이 실질적으로 삼각형의 형상을 나타내게 된다.PET / nylon split composite fiber used in the present invention has a cross-sectional shape as shown in FIG. 1 and is divided by the amount of flammable and alkali, resulting in a substantially triangular cross section.
상기 PET/나일론 분할형 복합섬유는 140 ∼ 190 ℃에서 2100 ∼ 2400 꼬임수(TM)로 행한 것을 사용하는 것이 바람직하다. 가연시 가연온도가 140℃ 이하일 경우는 분할도가 10%이하로 감소하게 되며 190℃이상에서는 PET부분이 용융/경화되어 사절이 발생하기 쉽다. 또한 꼬임수(TM)가 2100이하이면 분할도 및 벌키성이 감소하고 2400이상에서는 분할도는 증가하지만 강도가 현저히 저하되어 사절이 발생하기 쉽다.It is preferable to use the PET / nylon split composite fiber that was performed at 2100 to 2400 twisted water (TM) at 140 to 190 ° C. If the combustion temperature is below 140 ℃, the degree of splitting is reduced to less than 10%. Above 190 ℃, the PET part is melted and hardened, so it is easy to cause trimming. In addition, if the twist number (TM) is 2100 or less, the degree of splitting and bulkiness decreases, while the degree of splitting increases at 2400 or more, but the strength is significantly lowered, so that the thread is easily generated.
이하 본 발명을 실시예에 의해 구체화하나 본 발명의 범위가 이에 제한 되는 것은 아니다.Hereinafter, the present invention will be embodied by examples, but the scope of the present invention is not limited thereto.
(실시예 )Example
폴리에스테르 필라멘트 DTY 150/48(삼양사 제품) 및 PET/나일론 분할형 복합섬유 가연사 150/72(주식회사 효성 제품)를 사용하여 실공급수 98 피더(feeder), 편침의 밀도 28게이지로 더블니트편성물을 제편하였다.Double-knit fabric with polyester feed filament DTY 150/48 (manufactured by Samyang Corporation) and PET / nylon split composite fiber twisted yarn 150/72 (manufactured by Hyosung Co., Ltd.) Was prepared.
PET/나일론 분할형 복합섬유의 가연은 저속가연기에서 165℃에서 꼬임수가 미터당 2240인 조건에서 행한 것을 사용하였다.The twisting of PET / nylon split composite fibers was carried out in a low speed combustor at 165 ° C. with a twist number of 2240 per meter.
위에서 얻은 더블니트편성물을 감량제를 NaOH 5g/l를 사용하는 것을 제외하고 실시예 1에서와 동일한 조건으로 감량처리하여 수세 후 다음의 조건으로 염색하였다. 이때의 감량율은 15% 였다.The double knit fabric obtained above was weight-reduced under the same conditions as in Example 1 except for using NaOH 5g / l as a reducing agent, and stained with the following conditions after washing with water. The reduction rate at this time was 15%.
사용염료: 시노크론 3GE(Synocron 3GE)(C.I. Disperse Yellow 54) 1% o.w.fDye: Synocron 3GE (C.I. Disperse Yellow 54) 1% o.w.f
분산제(음이온 계면활성제, Disper-2001): 2g/lDispersant (anionic surfactant, Disper-2001): 2 g / l
온도 및 시간 : 130℃ 에서 40분간 처리Temperature and time: 40 minutes at 130 ℃
위에서 얻은 편물의 수분전이 속도를 도 2에 도시된 측정장비에서 아래의 조건으로 측정하여 다음의 표에 나타내었다.The water transition rate of the knitted fabric obtained above is measured in the measurement equipment shown in FIG. 2 under the following conditions, and is shown in the following table.
비교품: 듀퐁사에서 제조/판매하는 편물(상표명 Tactel Aquater)COMPARISON: Knitting / Manufacturer DuPont (trade name Tactel Aquater)
시험에 사용한 시료의 두께는 비교품 0.650mm 및 편물 0.753mm 이다.The thickness of the sample used for the test is 0.650 mm of the comparative product and 0.753 mm of the knitted fabric.
위의 표에서 나타난 바와 같이 본 발명의 방법에 의해 제조된 편물은 수분전이 속도가 비교품보다 월등히 우수하다는 것을 알 수 있다. 참고로 위에서 실험한 방법을 아래에서 설명한다.As shown in the above table it can be seen that the knitted fabric produced by the method of the present invention is much better than the comparative article in the rate of water transition. For reference, the method described above is described below.
* 수분전이 실험방법 ** Moisture Transition Experiment Method *
1. 일정크기(16cm×16cm)의 편물(3)을 시험편 지지기구(암실환경의 상자)에 고정시킨다.1. Fix the knitted fabric (3) of constant size (16cm × 16cm) to the specimen support mechanism (box in dark environment).
2. 상단부에 위치한 고정밀 마이크로 피펫(1)으로 일정량(50㎕)의 염액을 직물 중앙부분에 적하한다.2. Using a high precision micro pipette (1) located at the top, add an amount (50 µl) of saline solution to the center of the fabric.
3. 하단부에 영상 입력장치(CCD camera)(2)를 이용하여 시험편 이면에서 전이되는 염액의 상태를 전산입력한다.3. Computer input the state of the salt solution transferred from the back side of the test piece by using a CCD camera (2) at the bottom.
4. 시간경과에 따른 수분전이 면적(㎠)을 산출한다.4. Calculate the water transition area (cm 2) over time.
5. 수분전이 속도 계산5. Water Transition Rate Calculation
①이중 편직물의 후도에서 수분전이 현상을 물질전달현상에 관한 여러 가지 공식 중에서 유체흐름식, 즉 튜브내에서의 유체의 평균속도를 산출하는 다음식에 대입하여 이중직물의 후도에서의 유체평균속도를 산출하였다.(1) Substituting the water transition phenomenon in the back of a double knit fabric into the following equation for calculating the average velocity of the fluid in a tube, among other formulas for mass transfer, the fluid at the back of a double knit fabric The average speed was calculated.
V = q/sV = q / s
여기서,here,
V : 평균속도(Average velocity)(m/s)V: Average velocity (m / s)
q : 총부피속도(Total volumetric velocity)(㎥/s)q: Total volumetric velocity (㎥ / s)
s : 단면적(Cross sectional area)(㎡/s) 이다.s: Cross sectional area (m2 / s).
상기에서 q는 (전이면의 면적(㎡) × 전이면의 두께(m) / 시간(sec))이다.In the above, q is (area (m 2) of the front face x thickness (m) / time (sec) of the front face).
② 각 시료를 도 2에 도시된 장비에서 시간변화에 따른 전이면적을 측정하고 적하면적의 크기를 측정하여 위 식에 대입하여 후도에서의 최대속도를 구하여 반복실험한 시료(4개)의 후도에서의 최대속도를 평균하였다.② After measuring the entire surface area with time change in the equipment shown in Fig. 2 and substituting the size of the dropping area into the above equation to obtain the maximum velocity at the back of the sample after repeated experiments (4) The maximum velocity in the figure was averaged.
6.실험기기 내부의 환경6. Environment inside the experimental equipment
상대습도(RH) :55%Relative Humidity (RH): 55%
온도 : 25℃Temperature: 25 ℃
7.실험에 사용된 염액7. Salt solution used in the experiment
염료: 독일 호스트(Hochst)사의 DE AH 505, 레마졸 다크 블루 HR (Remazol Dark Blue HR) (반응성 염료)Dyes: DE AH 505 from Hochst, Germany, Remazol Dark Blue HR (reactive dye)
염액의 농도 : 5%Concentration of saline solution: 5%
1회 적하 염액의 양 : 50㎕Amount of dropping saline solution once: 50 μl
8. 실험기기의 제원 (단위: cm)8. Specification of Experiment Equipment (Unit: cm)
박스의 가로, 세로 및 높이: 25, 25 및 120Box width, height, and height: 25, 25, and 120
시료(3)와 조명(5)간의 거리 : 17Distance between sample (3) and illumination (5): 17
바닥과 카메라렌즈와의 거리: 25Distance from floor to camera lens: 25
적하위치와 시료와의 거리: 8.5Dropping distance from sample: 8.5
시료와 카메라렌즈와의 거리: 74Distance between sample and camera lens: 74
이상에서 설명한 본 발명의 방법에 의해 제조된 이중편물은 흡습 및 흡수한 수분을 외부로 빠르게 배출할 수 있어 쾌적하고 청결한 상태를 장기간 지속적으로 사용할 수 있게 되며, 특히 장시간 누워 있어야 하는 환자를 위한 침대시트나 담요 등의 의료용 부자재로 사용될 수 있다.The double-knit fabric produced by the method of the present invention described above can quickly discharge moisture absorbed and absorbed to the outside, so that a comfortable and clean state can be used continuously for a long time, and especially a bed sheet for a patient who needs to lie down for a long time. It can be used as a medical auxiliary material such as a blanket or a blanket.
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