CN115398051B - Knitted fabric and application thereof - Google Patents
Knitted fabric and application thereof Download PDFInfo
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- CN115398051B CN115398051B CN202180029999.0A CN202180029999A CN115398051B CN 115398051 B CN115398051 B CN 115398051B CN 202180029999 A CN202180029999 A CN 202180029999A CN 115398051 B CN115398051 B CN 115398051B
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- fabric
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- 239000004744 fabric Substances 0.000 title claims abstract description 174
- 239000010954 inorganic particle Substances 0.000 claims abstract description 32
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 28
- 229920005989 resin Polymers 0.000 claims description 26
- 239000011347 resin Substances 0.000 claims description 26
- 239000004408 titanium dioxide Substances 0.000 claims description 14
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 4
- 229940007424 antimony trisulfide Drugs 0.000 claims description 2
- NVWBARWTDVQPJD-UHFFFAOYSA-N antimony(3+);trisulfide Chemical compound [S-2].[S-2].[S-2].[Sb+3].[Sb+3] NVWBARWTDVQPJD-UHFFFAOYSA-N 0.000 claims description 2
- 229910052793 cadmium Inorganic materials 0.000 claims description 2
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 claims description 2
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 2
- 239000000292 calcium oxide Substances 0.000 claims description 2
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 2
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 2
- YOBAEOGBNPPUQV-UHFFFAOYSA-N iron;trihydrate Chemical compound O.O.O.[Fe].[Fe] YOBAEOGBNPPUQV-UHFFFAOYSA-N 0.000 claims 1
- 239000010410 layer Substances 0.000 description 60
- 229920000728 polyester Polymers 0.000 description 56
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 43
- 230000000694 effects Effects 0.000 description 31
- 238000012360 testing method Methods 0.000 description 28
- 239000002131 composite material Substances 0.000 description 26
- 238000000034 method Methods 0.000 description 19
- 238000009940 knitting Methods 0.000 description 16
- 230000008033 biological extinction Effects 0.000 description 15
- 239000000835 fiber Substances 0.000 description 12
- 239000002245 particle Substances 0.000 description 12
- 239000005871 repellent Substances 0.000 description 10
- 239000002356 single layer Substances 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 8
- 210000004243 sweat Anatomy 0.000 description 8
- 238000005406 washing Methods 0.000 description 7
- 229920000742 Cotton Polymers 0.000 description 6
- 238000011156 evaluation Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 229910052731 fluorine Inorganic materials 0.000 description 4
- 239000011737 fluorine Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 230000003405 preventing effect Effects 0.000 description 4
- 238000009941 weaving Methods 0.000 description 4
- 238000001035 drying Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000009987 spinning Methods 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- 238000009736 wetting Methods 0.000 description 3
- 230000037303 wrinkles Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 229920002050 silicone resin Polymers 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 238000007382 vortex spinning Methods 0.000 description 2
- JQMFQLVAJGZSQS-UHFFFAOYSA-N 2-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperazin-1-yl]-N-(2-oxo-3H-1,3-benzoxazol-6-yl)acetamide Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)N1CCN(CC1)CC(=O)NC1=CC2=C(NC(O2)=O)C=C1 JQMFQLVAJGZSQS-UHFFFAOYSA-N 0.000 description 1
- -1 50 °C C. For 20 min) Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 208000011231 Crohn disease Diseases 0.000 description 1
- 239000013032 Hydrocarbon resin Substances 0.000 description 1
- 241000168254 Siro Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 239000000986 disperse dye Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229920006270 hydrocarbon resin Polymers 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000035900 sweating Effects 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
- 238000004876 x-ray fluorescence Methods 0.000 description 1
Classifications
-
- 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)
- Knitting Of Fabric (AREA)
Abstract
A knitted fabric and application thereof, wherein the knitted fabric contains more than 8.0 weight percent of inorganic particles of yarn A, the weight of the yarn A accounts for more than 30 percent of the total weight of the knitted fabric, and in one complete tissue cycle of the knitted fabric, the yarn A is arranged on one or two sides of the knitted fabric, and loops formed by the yarn A account for more than 30 percent of the total loops on the side of the knitted fabric.
Description
Technical Field
The invention relates to a knitted fabric, in particular to a knitted fabric with water marks difficult to see after wetting or sweating.
Background
Today's society, consumers have increased demands on the comfort and functionality of garments. The knitted fabric is widely accepted by people due to excellent comfort. The application range of knitted fabrics is also becoming wider and wider in business, leisure and sports fields. However, in summer, because the outdoor temperature is relatively high, people can sweat easily, sweat stains are more likely to appear on armpits, backs and other parts, and the appearance is quite attractive. This is very annoying to people who like advanced sports and are more aesthetic.
Many studies have been made to solve the above problems. As disclosed in japanese patent application laid-open No. 2011-226001, there is a sweat stain-preventing fabric which is formed of a polyester fiber, has a concave-convex structure, and has a surface subjected to a single-sided water-repellent treatment, so that the fabric has not only an excellent sweat stain-preventing effect but also does not exhibit a sticky feeling. However, the water repellent is liable to fall off after the fabric is washed for many times, and the washing durability is poor.
For another example, patent document CN105734772a discloses a permeation-preventing woven fabric and a production method, in which the yarn with a titanium dioxide content of 3-7% and a core-sheath structure is used as the permeation-preventing polyester yarn, but the total titanium dioxide content is low, and although the permeation-preventing effect and the ultraviolet-resistant effect are good, the problem of water mark is not solved.
For another example, patent document CN107447531a discloses a process for preparing a sweat-stain-resistant T-shirt, firstly placing the T-shirt in a water-absorbing quick-drying solution for hydrophilic treatment, and then coating a waterproof coating on the surface of the T-shirt to achieve the purpose of sweat stain resistance. However, the waterproof coating on the surface can affect the air permeability of the fabric, the wearing comfort is reduced, and after multiple times of washing, the waterproof coating is easy to drop, and the sweat stain preventing effect is also weakened.
Disclosure of Invention
The invention aims to provide a knitted fabric with excellent waterproof effect and excellent durability.
In order to achieve the above object, the technical solution of the present invention is as follows:
a knitted fabric, characterized by: the knitted fabric comprises yarns A with the inorganic particle content of more than 8.0 wt%, wherein the weight of the yarns A accounts for more than 30% of the total weight of the knitted fabric, the yarns A are arranged on one surface or two surfaces of the knitted fabric in one complete tissue cycle of the knitted fabric, and loops formed by the yarns A account for more than 30% of the total loops of the surface where the yarns A are arranged.
The knitted fabric of the invention can achieve the color change of the surface of the yarn A above grade 3 relative to the dry state even under the condition of being completely wetted by sweat, rainwater and the like, and has excellent waterproof effect no matter how many times the knitted fabric is washed. Can be widely used for manufacturing shirts, casual clothes, sports T-shirts, golf clothes and the like.
Drawings
Fig. 1 is a drawing of a variation flat knitting weave of the present invention.
Fig. 2 is a double sided varying stitch weave pattern of the present invention.
Fig. 3 is a schematic view of a single layer structure of the present invention.
Fig. 4 is a schematic diagram of a double layer structure of the present invention.
Fig. 5 is a schematic diagram of a three-layer structure of the present invention.
Detailed Description
In general, when a fabric is wetted, since the refractive index of water is much greater than that of air, the transmittance of light is changed when light passes through the fabric, the reflectance is reduced, and water marks become apparent. The water mark of the present invention refers to a wet mark, and may be a wet mark of rainwater, sweat, tap water, or the like. The waterproof effect is that the water mark is difficult to be seen on the surface of the yarn A in the fabric, or the water mark can be quickly disappeared to be invisible after the water mark appears.
In the invention, the knitted fabric contains the yarn A with the inorganic particle content of more than 8.0 weight percent, the weight of the yarn A accounts for more than 30 percent of the total weight of the knitted fabric, the yarn A is arranged on one or two sides of the knitted fabric in one complete tissue cycle of the knitted fabric, and the loops formed by the yarn A account for more than 30 percent of the total loops of the surface where the yarn A is positioned.
The inorganic particles have scattering effect on incident light, can prevent light transmission and reduce light transmittance, and after the inorganic particles are added into the fiber, the reflection interface inside the fiber can be increased, and even if the fabric is wetted by water, the color is not changed greatly. When the inorganic particle content in the yarn a is less than 8.0 wt%, the color change is remarkable as compared with the dry state, and the water stain preventing effect is poor. When the inorganic particle content in the yarn a is more than 20.0 wt%, the engineering trafficability tends to be poor, and when the inorganic particles are too large, there is a possibility that uneven distribution of the inorganic particles occurs, and a problem of colored spots occurs, which affects the quality of the fabric. Therefore, the yarn a is preferably a yarn having an inorganic particle content of 8.0 to 20.0 wt%.
In one complete stitch cycle, the yarn A is arranged on one side or two sides of the knitted fabric, and the loops formed by the yarn A account for more than 30% of the total loops of the side, which is considered that the water mark appears to feel embarrassing to a wearer in the wearing process of the fabric, when the yarn A is arranged on one side or two sides of the knitted fabric, the loops formed by the yarn A account for less than 30% of the total loops of the side, namely, the yarn A is less exposed on the side, the quantity of reflected light changes more before and after wetting, the color looks deeper, and the waterproof effect is poor. In view of the small color change of the fabric after wetting, it is preferred that the loops formed by yarn a occupy 100% of the total area of the fabric in which it is located.
In the invention, the weight of the yarn A is more than 30% of the total weight of the fabric, and the fabric can ensure good water mark prevention effect when being mixed with other yarns, preferably more than 40% of the total weight, and more preferably 100% of the total weight.
The yarn a may be provided on any one side of the knitted fabric or on both sides of the knitted fabric, and the knitted fabric is not particularly limited, and in actual use, a suitable surface may be selected as the surface of the garment and the near-skin surface as required.
The knitted fabric structure of the present invention is not particularly limited, and may be a single-sided structure of a single-layer weave, such as a single-sided plain weave, a single-sided beaded weave, or the like; may be a double layer construction of single sided tissue, such as single sided polyester covered cotton (or cotton covered polyester) tissue, etc.; a multi-layer structure of a single-sided weave, such as a single-sided plating weave, is also possible. Can be a double-layer structure of double-sided tissues, such as double-sided rib, double-sided cotton wool, double-sided variable tissues and the like; the structure can also be a multi-layer structure of double-sided tissue, such as double-sided air layer tissue (sandwich tissue or Wuming tissue), etc. In the case of a double-layer construction of a double-sided weave, the inner yarn is preferably connected in such a way that it does not appear in the surface weave, for example in the form of tuck loops.
Preferably, the knitted fabric of the invention has a multi-layer structure, comprising a layer a and a layer b, wherein the layer a and the layer b are adjacent, and the loops formed by the yarn A on the layer a account for more than 30% of the total loops of the surface where the loops are positioned; layer B of the knitted fabric contains yarn B having an inorganic particle content of less than 8.0 wt%, and the weight of yarn B is 70% or less of the total weight of the knitted fabric. This is because, as the inorganic particle content increases, the yarn cost increases, so that the yarn B at layer B has a low inorganic particle content and may affect the water stain resistance, but the yarn B is provided at layer B of the knitted fabric, and the fabric is integrated to easily obtain an excellent water stain resistance and to effectively save the cost.
Preferably, the knitted fabric of the invention has a multi-layer structure, and comprises a layer a, wherein the layer a is positioned on the outermost side of the knitted fabric along the thickness direction, and the loops formed by yarns A on the layer a account for more than 30.0% of the total loops of the surface where the loops are positioned; and the ratio of the coverage area of yarns on the layer a to the total coverage area of the knitted fabric is K, wherein K is more than or equal to 0.5 and less than or equal to 1.
Wherein the coverage area of the yarns on layer a refers to the area of all yarns on layer a. All yarns on the layer a can be in a looping state, can be in a looping and gathering combined state, can be in a looping and floating combined state, and can be in a looping, gathering and floating combined state.
The total coverage area of the knitted fabric is the area (total shot area) shot under a KEYENCE ken VHX-2000C microscope minus the shot area of the mesh portion.
The ratio K between the coverage area of the yarns on the layer a and the total coverage area of the knitted fabric represents the coverage degree of the layer a; the larger the k value, the better the degree of coverage is characterized. When the ratio K is less than 0.50, the yarns on the layer a show a trend that the yarns on other layers cannot be effectively covered, and the waterproof effect of the fabric tends to be reduced. Thus, the ratio K is preferably 0.50.ltoreq.K.ltoreq.1, more preferably 0.80.ltoreq.K.ltoreq.1, further preferably 0.90.ltoreq.K.ltoreq.1, most preferably 0.95.ltoreq.K.ltoreq.1.
The type of inorganic particles forming the yarn a is not particularly limited, and one or more of titanium dioxide, aluminum oxide, antimony trisulfide, zirconium oxide, cadmium red, calcium oxide, carbon (e.g., carbon black, graphite, etc.) are preferable. Of course, the inorganic particles herein may be colored particles, such as white, red, blue, black, and the like. Among them, titanium dioxide is more preferable because it has excellent scattering effect on light and has excellent characteristics such as safety, stability and dispersibility.
The fiber raw material forming the yarn a of the present invention is not particularly limited, and may be a general Polyester (PET), a modified polyester, a polyamide, a viscose, or the like. The cross-sectional shape of the fiber is not particularly limited, and may be circular, triangular, cross-shaped, or the like. The composite form of the fiber may be a core-sheath, a multi-layer, or the like, and such a composite form can maximize the content of inorganic particles. For example, a core-sheath structure in which inorganic particles are mainly concentrated in the core portion, which is advantageous for knitting, can reduce friction between the yarn and knitting equipment, and is therefore preferable. For another example, a multilayer structure, i.e., a multilayer composite structure, in which inorganic particles are mainly concentrated in an intermediate layer, has a good light reflection effect, and is therefore preferable.
Yarn a may be a multifilament yarn or a spun yarn. The form of the filament multifilament is not particularly limited, and may be FDY, DTY, or the like, and DTY is preferable.
The fineness of the filament multifilament formed of the core-sheath structure or the multi-layer structure is not particularly limited, and is preferably 30 to 200dtex. When the fineness is lower than 30dtex, the yarn is thinner, the strength of the yarn is easy to be lower due to the higher content of inorganic particles, the phenomenon of yarn breakage occurs, and when the fineness is higher than 200dtex, the yarn is thicker, the fabric is rough and lacks of fine and smooth feeling. More preferably, the filament multifilament formed of the core-sheath structure or the multi-layer structure has a fineness of 50 to 170dtex.
The spinning method of the staple fibers is not particularly limited, and may be compact spinning, vortex spinning, siro compact spinning, or the like, and vortex spinning is preferable.
The twist of the spun yarn is preferably 300 to 1000T/m and the fineness is preferably 80 to 21 British count. When the fineness is lower than 80 inches, the yarn is thinner and has low strength; when the fineness is higher than 21 inches, the yarn is thicker, and the fabric style is more rugged. More preferably, the staple yarn has a fineness of 60 to 32 denier.
In the present invention, it is preferable to weave the yarn a entirely. When the yarn a is interwoven with other yarns, the other yarns are not particularly limited in kind, and may be ordinary Polyester (PET), modified polyester, polyamide, viscose, cotton, etc., preferably full dull ordinary Polyester (PET).
Preferably, the knitted fabric of the present invention has a water-repellent resin attached to the surface of the yarn a.
In the process of manufacturing the fabric of the present invention, a water-emitting resin, a water-absorbing resin, a soft resin, etc. may be selected for processing at the time of after-finishing as needed. The water-generating resin may be a fluorocarbon resin, hydrocarbon resin, or the like, and may be, for example, a C8 fluorine-containing resin, a C6 fluorine-containing resin, an aliphatic resin, or a silicone resin, or may be a non-fluorine resin. The water-absorbent resin may be polyester resin, acrylic resin, etc., and has the effect of preventing water marks while imparting water absorbency to the fabric when the water-absorbent resin is selected for processing in the after-finishing. The soft resin may be a silicone resin or the like.
According to the knitted fabric disclosed by the invention, after water drops on the surface of the yarn A are diffused until the water is completely absorbed, namely, the water-wetted state is compared with the dry state, the fabric is visually judged by evaluating the grey sample card for color change, and the waterproof effect of the fabric is more than grade 3. The wet state refers to a state in which the sample is left at a standard atmospheric pressure and is equilibrated for 24 hours, and then 0.2ml of water is dropped on the surface of the yarn a, and the water spreads until the water is completely absorbed by the fabric (i.e., no significant liquid water drops, i.e., no specular reflection). The dry state herein refers to a state in which the sample is left to stand at a standard atmospheric pressure for conditioning and balancing for 24 hours.
According to the knitted fabric, 0.2ml of water is dripped on the surface where the yarn A is positioned, after standing for 2 minutes, if the water drops are not diffused on the fabric and are in the form of dew, the waterproof effect of the fabric is 5 grades; if the water drops spread on the fabric, the waterproof effect of the fabric is visually judged by the grey sample card for evaluating the color change.
The present invention will be further described with reference to examples and comparative examples.
The testing method of each parameter related by the invention is as follows:
(1) Waterproof effect
A. The test method is as follows, and the test result is L0 of the water stain resistance of the unwashed sample:
(1) cutting 6 flat 10cm multiplied by 10cm samples without wrinkles, and placing the samples in an environment with the temperature of 20+/-2 ℃ and the humidity of 65+/-4% for humidity adjustment for 24 hours to obtain samples in a dry state;
(2) randomly selecting one of the blocks as a blank comparison sample, and respectively testing the rest 5 blocks as test samples. Placing a test sample on a test platform horizontally, sucking a proper amount of tertiary water into a burette with the surface of the yarn A facing upwards, lightly dripping 0.2ml of water onto the test sample at a position with the vertical distance between a burette opening and the test sample not exceeding 1cm, and obtaining the test sample in a wet state after 2 minutes after the water drops contact the test sample until the water drops are completely diffused and absorbed (no obvious liquid water drops are generated, namely no specular reflection exists);
(3) placing the test sample in the wet state and the blank contrast sample in parallel in a standard color matching lamp box, comparing GB/T250-2008 to evaluate a gray sample card for color change, rating the color difference between the test sample and the blank contrast sample, and taking the rating value as the level of the waterproof trace effect of the test sample;
(4) the remaining 4 test samples were tested in the same manner to obtain 5 sets of data, and the average value of 5 times was taken as the evaluation result of the water-stain-repellent effect of the present sample, and recorded as the evaluation result L0 of the water-stain-repellent effect when the present sample was not washed.
B. The test method is as follows, and the test results of the water stain resistance evaluation of the sample after washing for 10 times are L10:
(1) washing for 10 times according to GB/T8629-2017 household washing and drying procedure for textile test, and hanging and drying to obtain a sample after washing for 10 times. 6 samples with the flatness and no wrinkles of 10cm multiplied by 10cm are cut, placed in an environment with the temperature of 20+/-2 ℃ and the humidity of 65+/-4% and subjected to humidity adjustment for 24 hours;
(2) randomly selecting one of the blocks as a blank comparison sample, and respectively testing the rest 5 blocks as test samples. Placing a test sample on a test platform horizontally, sucking a proper amount of tertiary water into a burette with the surface of the yarn A facing upwards, lightly dripping 0.2ml of water onto the test sample at a position with the vertical distance between a burette opening and the test sample not exceeding 1cm, and obtaining the test sample in a wet state after 2 minutes after the water drops contact the test sample until the water drops are completely diffused and absorbed (no obvious liquid water drops are generated, namely no specular reflection exists);
(3) placing the test sample in the wet state and the blank contrast sample in parallel in a standard color matching lamp box, comparing GB/T250-2008 to evaluate a gray sample card for color change, rating the color difference between the test sample and the blank contrast sample, and taking the rating value as the level of the waterproof trace effect of the test sample;
(4) the remaining 4 test samples were tested in the same manner to obtain 5 sets of data, and the average value of 5 times was taken as the evaluation result of the water-stain-proofing effect of the present sample, and recorded as the evaluation result L10 of the water-stain-proofing effect after washing the present sample 10 times.
(2) Determination of inorganic particle content in yarn
About 4g of corresponding yarn is taken, a sample is prepared by melting, the content of metal elements in the yarn is measured by an X-ray fluorescence spectrometer (manufacturer: rigaku, model: ZSX Primus III+), and then the content of inorganic particles in the yarn is calculated by molecular formula.
(3) The loops formed by yarn A being the proportion of the total loops of the face
(1) Cutting out 1 piece of a flat 15cm multiplied by 15cm sample without wrinkles, removing different yarns in the fabric, and determining a yarn A and other yarns in the fabric according to the determination result of the inorganic particle content in the yarns;
(2) marking the flower height (longitudinal direction) and the flower width (transverse direction) of one tissue cycle in a tissue structure of the fabric with complete tissue cycle;
(3) and shearing a flat and wrinkle-free sample 1 block at least comprising 1 complete tissue cycle, respectively confirming the number of loops of each yarn on the surface, wherein the proportion z of the yarn A can be calculated according to the following formula:
z＝x/y×100％
wherein x: the number of loops of the loop structure formed by yarn A on this face
y: the total number of coils in the loop tissue in one complete tissue cycle on the surface is repeatedly sampled 5 times, and the average value of the 5 results is taken as the final result.
(4) Calculation of the ratio K
(1) Preparing a sample
A flat, wrinkle-free knitted fabric was prepared as a sample, with a size of 20cm x 20cm and a number of 5 pieces. According to the test method (2) of the invention, the layer of the yarn A in the fabric sample is determined according to the result of the determination of the inorganic particle content in the yarn.
(2) Total coverage area S Total (S) Is measured and calculated
A. Confirmation of the existence of mesh
The yarn A of one sample was placed in a natural tension-free state with the cylindrical surface of the layer facing upwards on a transparent glass plate of a microscope, the sample was in a vertical state with respect to the light source, and the model of the microscope was KEYENCE Crohn's VHX-2000C. The light source selects transmission light irradiation, the multiplying power of the microscope is 50 times in general, the multiplying power can be selected according to the size of an actual pattern, the selection standard is that at least one complete tissue cycle can be shot, the brightness scale is adjusted to a position forming 30 degrees with the zero position of the light source knob, and the observed fabric is observed and photographed.
a1 With meshes)
When the fabric has meshes, clicking a 'VHX menu' in a self-contained program of a microscope, measuring, annotating, automatically measuring the area, manually starting measurement, brightness, extracting a histogram (the range is selected from '255-255'), next step, measuring the result, and directly reading the total area S of the photo z Area S of mesh w 。
The total coverage area S of the fabric is calculated according to the following formula Total (S) ，S Total (S) ＝S z -S w 。
a2 No mesh
Operated according to step a 1) in which S w =0, the total area S of the above-mentioned photo is read directly z Obtaining the total coverage area S of the fabric Total (S) ，S Total (S) ＝S z 。
(3) Measurement of coverage area S
And (3) keeping the position of the fabric in the step (2) still, and switching the light source into a reflective light source for irradiation. The brightness scale is adjusted to a position which forms 65 degrees with the zero position of the light source knob, the 'VHX menu' -measurement-annotation '-measurement area' -measurement-annotation-free curve is clicked by a self-contained program of the microscope, after the area of the surface yarn is drawn along the outer edge of the edge line, batch measurement is checked, and the coverage area S of the surface yarn is directly read on equipment.
(4) Calculation of the ratio K
Calculating a ratio K by using the formula:
K＝S/S total (S)
10 times of sampling was repeated, and the average value of the 10 times of results was taken as the final result.
Example 1
The method comprises the steps of selecting 56dtex/36f core-sheath composite PET DTY as yarn A, and 56dtex/36f extinction common round PET DTY as yarn B, knitting on a single-sided circular knitting machine by using a variable plain stitch structure shown in figure 1, configuring yarn A on paths 1, 3 and 5, and configuring yarn B on paths 2, 4 and 6, so that the proportion of the loops of the yarn A on the surface of the yarn A is 30%, and the weight of the yarn A accounts for 30% of the total weight of the fabric, thereby obtaining the grey cloth. Then, pretreatment (1 g/L refining agent), dyeing (disperse dye, 130 ℃ C. For 30 min) +resin processing in a bath (5 g/L polyester hydrophilic resin, 50 ℃ C. For 20 min), finishing padding processing (1 g/L antistatic agent and 1g/L neutralizing acid) are carried out. Wherein the core part of the core-sheath composite fiber is a PET component containing 9.4 weight percent of titanium dioxide particles, the sheath part is a PET component containing 2.4 weight percent of titanium dioxide particles, and the area ratio of the core part to the sheath part is 4:1. wherein the inorganic particle content in yarn B was 2.5% by weight, giving a grammage of the invention of 110g/m 2 The specific parameters of the single-layer structured knitted fabric are shown in table 1.
Example 2
The weaving process is adjusted by selecting 84dtex/36f core-sheath composite PET DTY as yarn A and 84dtex/36f extinction common round DTY PET as yarn B, so that the proportion of the loops of the yarn A on the surface of the yarn A is 50%, the weight of the yarn A accounts for 50% of the total weight of the fabric, and the balance is the same as that of the example 1, so that the yarn has the gram weight of 150g/m 2 The specific parameters of the single-layer structured knitted fabric are shown in table 1.
Example 3
The yarn B was not used, the yarn A had a loop ratio of 100% on the face thereof, and the fabric had a weight ratio of 100%, and the same as in example 1 gave a grammage of 110g/m in the present invention 2 The specific parameters of the single-layer structured knitted fabric are shown in table 1.
Example 4
In the post-finishing padding, the hydrophilic resin was changed to a water-producing resin (non-fluorine type) and the water-producing resin was adhered to the surface of the yarn A, and the basis weight of the present invention was 110g/m, as in example 1 2 The specific parameters of the single-layer structured knitted fabric are shown in table 1.
Example 5
A56 dtex/36f core-sheath composite PET DTY is selected as yarn A, wherein the core of the core-sheath composite fiber is a PET component containing 15 weight percent of titanium dioxide particles, the sheath is a PET component containing 2.5 weight percent of titanium dioxide particles, and the balance is the same as that in example 1, so that the gram weight of the yarn is 110g/m 2 The specific parameters of the single-layer structured knitted fabric are shown in table 1.
Example 6
Selecting 56dtex/36f core-sheath composite PET DTY as yarn A,56dtex/36f extinction common round PET DTY as yarn B, knitting with double-sided cotton and wool tissue on a double-sided machine to obtain grey cloth, wherein the proportion of loops of the yarn A on the surface of the grey cloth is 50%, the weight of the yarn A accounts for 50% of the total weight of the fabric, wherein the inorganic particle content in the yarn B is 2.5% by weight, and the balance of the invention is 1.00 in the ratio K and the gram weight is 180g/m in the same example 5 2 The specific parameters of the double-layer structured knitted fabric are shown in table 1.
Example 7
Selecting 56dtex/36f core-sheath composite PET DTY as yarn A,56dtex/36f extinction common round PET DTY as yarn B, weaving with double-sided change structure on a double-sided machine, configuring yarn A on 3 rd, 6 th, 9 th and 12 th paths, configuring yarn B on 1 st, 2 nd, 4 th, 5 th, 7 th, 8 th, 10 th and 12 th paths, obtaining grey cloth, wherein the proportion of the loops of the yarn A on the surface of the grey cloth is 100%, and the balance of the grey cloth is the same as that of example 6, thereby obtaining the yarn with the ratio K of 0.90 and the gram weight of 180g/m 2 The specific parameters of the double-layer structured knitted fabric are shown in table 1.
Example 8
Selecting 56dtex/36f core-sheath composite PET DTY as yarn A,56dtex/36f extinction common round PET DTY as yarn B, knitting with polyester cotton covered fabric on a single-sided circular knitting machine to obtain grey cloth, wherein the proportion of the coil of the yarn A on the surface of the grey cloth is 100%, and the balance is the same as that of example 6, so as to obtain the yarn with the ratio K of 1.00 and the gram weight of 180g/m 2 The specific parameters of the double-layer structured knitted fabric are shown in table 1.
Example 9
The 56dtex/36f core-sheath composite PET DTY is selected as a yarn A,125dtex/36f extinction common round PET DTY is selected as a yarn B, and the knitting process is adjusted so that the weight of the yarn A accounts for 31 percent of the total weight of the fabric to obtain grey cloth, and the rest is the same as that of example 8, so that the invention has the ratio K of 0.45 and the gram weight of 200g/m 2 The specific parameters of the double-layer structured knitted fabric are shown in table 1.
Example 10
The 56dtex/36f core-sheath composite PET DTY is selected as a yarn A,112dtex/36f extinction common round PET DTY is selected as a yarn B, and the knitting process is adjusted so that the yarn A accounts for 33% of the weight of the fabric to obtain grey cloth, and the rest is the same as that of example 8, so that the invention has the ratio K of 0.50 and the gram weight of 200g/m 2 The specific parameters of the double-layer structured knitted fabric are shown in table 1.
Example 11
The 56dtex/36f core-sheath composite PET DTY is selected as a yarn A,86dtex/36f extinction common round PET DTY is selected as a yarn B, and the knitting process is adjusted so that the yarn A accounts for 39% of the weight of the fabric to obtain grey cloth, and the rest is the same as that of example 8, so that the invention has the ratio K of 0.65 and the gram weight of 190g/m 2 The specific parameters of the double-layer structured knitted fabric are shown in table 1.
Example 12
The 56dtex/36f core-sheath composite PET DTY is selected as a yarn A, the 70dtex/36f extinction common round PET DTY is selected as a yarn B, and the knitting process is adjusted so that the yarn A accounts for 44% of the weight of the fabric to obtain grey cloth, and the rest is the same as that of example 8, so that the invention has the ratio K of 0.80 and the gram weight of 185g/m 2 The specific parameters of the double-layer structure knitted fabric are shown in the table1。
Example 13
The 56dtex/36f core-sheath composite PET DTY is selected as a yarn A,66dtex/36f extinction common round PET DTY is selected as a yarn B, and the knitting process is adjusted so that the yarn A accounts for 46% of the weight of the fabric to obtain grey cloth, and the rest is the same as that of example 8, so that the invention has the ratio K of 0.85 and the gram weight of 175g/m 2 The specific parameters of the double-layer structured knitted fabric are shown in table 1.
Example 14
The 56dtex/36f core-sheath composite PET DTY is selected as a yarn A, the 62dtex/36f extinction common round PET DTY is selected as a yarn B, and the knitting process is adjusted so that the yarn A accounts for 47% of the weight of the fabric to obtain grey cloth, and the rest is the same as that of example 8, so that the invention has the ratio K of 0.90 and the gram weight of 170g/m 2 The specific parameters of the double-layer structured knitted fabric are shown in table 1.
Example 15
The 56dtex/36f core-sheath composite PET DTY is selected as a yarn A, the 59dtex/36f extinction common round PET DTY is selected as a yarn B, and the knitting process is adjusted so that the yarn A accounts for 49% of the weight of the fabric to obtain grey cloth, and the rest is the same as that of example 8, so that the invention has the ratio K of 0.95 and the gram weight of 160g/m 2 The specific parameters of the double-layer structured knitted fabric are shown in table 1.
Example 16
The method comprises the steps of selecting a 56dtex/36f multi-layer section composite PET DTY as a yarn A, and not using a yarn B, wherein the fiber cross section of the yarn A of the multi-layer section composite DTY is of a multi-layer concentric circle structure, the number of layers is 3, and an outer layer, a middle layer and an inner layer are sequentially arranged from outside to inside; the titanium dioxide particles in the outermost layer are 2.5 wt%, the titanium dioxide particles in the middle layer and the inner layer are 15 wt%, and the area of the outermost layer accounts for 20 wt% of the total area of the cross section of the yarn; the proportion of loops of yarn A on the face of the yarn A was 100%, the weight of yarn A was 100% of the total weight of the fabric, and the same as in example 6 gave a ratio K of the invention of 1.00 and a grammage of 130g/m 2 The specific parameters of the double-layer structured knitted fabric are shown in table 1.
Example 17
Selecting 56dtex/36f coreSheath composite PET DTY is used as yarn A, 33dtex/12f semi-gloss common round PET FDY is used as yarn B,56dtex/36f extinction common round PET DTY is used as yarn C, double-sided air layer tissue is woven on a double-sided machine to obtain grey cloth, the weaving process is adjusted to enable the weight of the yarn A to be 40% of the total weight of the fabric, the weight of the yarn B to be 20% of the total weight of the fabric, the inorganic particle content of the yarn B is 2.5% of the total weight, the inorganic particle content of the yarn C is 2.5% of the total weight of the fabric, and the other materials are the same as in example 8, so that the invention ratio K is 1.00, and the gram weight is 190g/m 2 The specific parameters of the three-layer structured knitted fabric are shown in table 1.
Example 18
The PET yarn A of 40-inch core-sheath composite short fiber and the PET yarn B of 40-inch common round short fiber are selected, and the other parts are the same as in example 1, so that the gram weight of the invention is 125g/m 2 The specific parameters of the single-layer structured knitted fabric are shown in table 1.
Example 19
The core-sheath composite PET DTY of 165dtex/36f is selected as a yarn A, the extinction common round PET DTY of 165dtex/36f is selected as a yarn B, the core of the core-sheath composite DTY is a PET component containing 9.4 weight percent of aluminum oxide particles, the sheath part is a PET component containing 2.4 weight percent of aluminum oxide particles, and a water-emitting resin is added during the post-finishing padding processing, so that the water-emitting resin is attached to the surface of the yarn A, and the balance of the method is the same as that of the embodiment 3, thus obtaining the yarn with the gram weight of 110g/m 2 The specific parameters of the single-layer structured knitted fabric are shown in table 1.
Garments made from the knitted fabrics of examples 1 to 19.
Comparative example 1
The knitting process was adjusted so that the loop ratio of yarn A on the face thereof was 25%, the weight of yarn A was 25% of the total weight of the fabric, and the basis weight of the fabric was 110g/m in the same manner as in example 1 2 The specific parameters of the knitted fabric are shown in table 1.
Comparative example 2
In the post-finishing padding, the hydrophilic resin was changed to a water-repellent resin to adhere the water-repellent resin to the surface of the yarn A, and the same procedure as in comparative example 1 was followed to obtain a yarn of the present invention having a gram weight of 110g/m 2 Is knitted on the surface of the fabricThe materials and specific parameters are shown in Table 1.
Comparative example 3
The yarn A had a cross section of a normal circular cross section PET DTY containing 0.3% by weight of titanium dioxide particles, and the same procedure as in example 3 gave a gram weight of 110g/m of the present invention 2 The specific parameters of the knitted fabric are shown in table 1.
Comparative example 4
The 56dtex/36f core-sheath composite PET DTY is selected as a yarn A,152dtex/36f extinction common round PET DTY is selected as a yarn B, and the weaving process is adjusted so that the yarn A accounts for 25% of the weight of the fabric, and the rest is the same as in example 8, thus obtaining the yarn with the ratio K of 0.33 and the gram weight of 210g/m 2 The specific parameters of the double-layer structured knitted fabric are shown in table 1.
TABLE 1
According to the table 1 of the drawings,
(1) As can be seen from examples 3 and 1, the fabric with yarn a formed as a loop accounting for 100% of the total loop of the face where it is located and yarn a formed as a loop accounting for 100% of the total weight of the fabric has a better water-stain-proof effect than the fabric with yarn a formed as a loop accounting for 30% of the total loop of the face where it is located and yarn a formed as a loop accounting for 30% of the total weight of the fabric under the same conditions.
(2) As is clear from examples 4 and 1, the fabric having the water-repellent resin attached to the surface of the yarn a had a better water-repellent effect than the fabric having no water-repellent resin attached to the surface of the yarn a under the same conditions.
(3) As is clear from examples 5 and 1, under the same conditions, the fabric having a titanium dioxide particle content of 12.5 wt% on the surface of the yarn a was superior to the fabric having a titanium dioxide particle content of 8 wt% on the surface of the yarn a in terms of the water stain resistance.
(4) As is clear from examples 10 and 9, under the same conditions, the fabric using the yarn B having a fineness of 112dtex and a ratio K of 0.50 is superior to the fabric using the yarn B having a fineness of 125dtex and a ratio K of 0.45 in the waterproof effect.
(5) As is clear from examples 12 and 11, under the same conditions, the fabric using the yarn B having a fineness of 70dtex and a ratio K of 0.80 has a better water-stain-proofing effect than the fabric using the yarn B having a fineness of 86dtex and a ratio K of 0.65.
(6) As is clear from examples 14 and 13, under the same conditions, the fabric using yarn B having a fineness of 62dtex and a ratio K of 0.90 is superior to the fabric using yarn B having a fineness of 66dtex and a ratio K of 0.85 in terms of the water-stain-preventing effect.
(7) As is clear from examples 15 and 14, under the same conditions, the fabric using the yarn B having a fineness of 59dtex and a ratio K of 0.95 is superior to the fabric using the yarn B having a fineness of 62dtex and a ratio K of 0.90 in terms of the water-stain-preventing effect.
(8) As is clear from comparative example 1 and example 1, the fabric in which the loops formed by yarn a account for 25% of the total loops of the face where they are located and the weight of yarn a accounts for 25% of the total weight of the fabric is inferior to the fabric in which the loops formed by yarn a account for 30% of the total loops of the face where they are located and the weight of yarn a accounts for 30% of the total weight of the fabric in the same condition, in which the former has a lower effect of preventing water stains than the latter.
(9) As is clear from comparative example 3 and example 3, under the same conditions, the yarn A having a generally circular cross section and having an inorganic particle content of 0.3% by weight has a much poorer water stain-proofing effect than the core-sheath composite yarn A having an inorganic particle content of 8% by weight.
Claims (5)
1. A knitted fabric, characterized by: the knitted fabric comprises yarns A with the inorganic particle content of more than 8.0 weight percent, wherein the weight of the yarns A accounts for more than 30 percent of the total weight of the knitted fabric, the yarns A are arranged on one surface or two surfaces of the knitted fabric in one complete tissue cycle of the knitted fabric, and loops formed by the yarns A account for more than 30 percent of the total loops of the surface where the yarns A are positioned;
the knitted fabric is of a multi-layer structure and comprises a layer a and a layer b, wherein the layer a and the layer b are adjacent, and the loops formed by yarns A on the layer a account for more than 30% of the total loops of the surface where the loops are positioned; the layer B of the knitted fabric contains yarns B with inorganic particle content less than 8.0 wt%, and the weight of the yarns B accounts for less than 70% of the total weight of the knitted fabric;
or the knitted fabric is of a multi-layer structure and comprises a layer a, wherein the layer a is positioned on the outermost side of the knitted fabric in the thickness direction, and the loops formed by the yarns A on the layer a account for more than 30% of the total loops of the surface where the loops are positioned; and the ratio of the coverage area of yarns on the layer a to the total coverage area of the knitted fabric is K, wherein K is more than or equal to 0.5 and less than or equal to 1.
2. The knitted fabric of claim 1, wherein: in one complete stitch cycle of the knitted fabric, yarn a is disposed on one or both sides of the knitted fabric, and the loops formed by yarn a account for 100% of the total stitch in the face where it is located.
3. The knitted fabric according to claim 1 or 2, characterized in that: the inorganic particles forming the yarn A are one or more of titanium dioxide, aluminum oxide, antimony trisulfide, zirconium oxide, cadmium red and calcium oxide.
4. The knitted fabric according to claim 1 or 2, characterized in that: the surface of the yarn A is adhered with a water-emitting resin.
5. A garment made from the knitted fabric of any one of claims 1-4.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2020107929279 | 2020-08-10 | ||
| CN202010792927 | 2020-08-10 | ||
| PCT/CN2021/111432 WO2022033415A1 (en) | 2020-08-10 | 2021-08-09 | Knitted fabric and use thereof |
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| Publication Number | Publication Date |
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| CN115398051A CN115398051A (en) | 2022-11-25 |
| CN115398051B true CN115398051B (en) | 2023-11-17 |
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| CN202180029999.0A Active CN115398051B (en) | 2020-08-10 | 2021-08-09 | Knitted fabric and application thereof |
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| CN (1) | CN115398051B (en) |
| TW (1) | TW202212660A (en) |
| WO (1) | WO2022033415A1 (en) |
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| CN115233370A (en) * | 2022-06-30 | 2022-10-25 | 海安启弘纺织科技有限公司 | Preparation method of light and thin warp-knitted fabric with moisture absorption and heating functions and product thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000073254A (en) * | 1998-08-26 | 2000-03-07 | Yamajin Bussan Kk | Fabric |
| CN101451275A (en) * | 2007-12-07 | 2009-06-10 | 东丽纤维研究所（中国）有限公司 | Ultraviolet resistant functional fabric |
| CN103445362A (en) * | 2013-09-16 | 2013-12-18 | 吴江市海丰喷织有限公司 | Multifunctional waterproof fabric |
| CN103465567A (en) * | 2013-08-13 | 2013-12-25 | 江阴市申澄服装有限公司 | Waterproof plain four-side elastic composite fabric |
| CN104131400A (en) * | 2013-05-03 | 2014-11-05 | 东丽纤维研究所（中国）有限公司 | Fabric feeling cold and application of fabric |
| CN105291519A (en) * | 2015-10-26 | 2016-02-03 | 苏州明盛化纤有限公司 | Composite waterproof nano-fiber fabric |
-
2021
- 2021-08-09 CN CN202180029999.0A patent/CN115398051B/en active Active
- 2021-08-09 WO PCT/CN2021/111432 patent/WO2022033415A1/en active Application Filing
- 2021-08-09 TW TW110129222A patent/TW202212660A/en unknown
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000073254A (en) * | 1998-08-26 | 2000-03-07 | Yamajin Bussan Kk | Fabric |
| CN101451275A (en) * | 2007-12-07 | 2009-06-10 | 东丽纤维研究所（中国）有限公司 | Ultraviolet resistant functional fabric |
| CN104131400A (en) * | 2013-05-03 | 2014-11-05 | 东丽纤维研究所（中国）有限公司 | Fabric feeling cold and application of fabric |
| CN103465567A (en) * | 2013-08-13 | 2013-12-25 | 江阴市申澄服装有限公司 | Waterproof plain four-side elastic composite fabric |
| CN103445362A (en) * | 2013-09-16 | 2013-12-18 | 吴江市海丰喷织有限公司 | Multifunctional waterproof fabric |
| CN105291519A (en) * | 2015-10-26 | 2016-02-03 | 苏州明盛化纤有限公司 | Composite waterproof nano-fiber fabric |
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| TW202212660A (en) | 2022-04-01 |
| CN115398051A (en) | 2022-11-25 |
| WO2022033415A1 (en) | 2022-02-17 |
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