TW202217098A - Staple fiber yarn and fabric obtained therefrom - Google Patents
Staple fiber yarn and fabric obtained therefrom Download PDFInfo
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- TW202217098A TW202217098A TW110139616A TW110139616A TW202217098A TW 202217098 A TW202217098 A TW 202217098A TW 110139616 A TW110139616 A TW 110139616A TW 110139616 A TW110139616 A TW 110139616A TW 202217098 A TW202217098 A TW 202217098A
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- 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
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
- D02G3/04—Blended or other yarns or threads containing components made from different materials
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
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Abstract
Description
本發明涉及一種短纖紗及由其製得的面料。The present invention relates to a spun fiber yarn and a fabric prepared therefrom.
隨著生活水平的不斷提高，人們對服裝的要求也越來越高，不僅要求款式新穎，而且對舒適性提出了更高的要求。對於構成面料的紗線而言，各種功能性高附加值短纖紗也在不斷地推陳出新。 With the continuous improvement of living standards, people have higher and higher requirements for clothing, not only requiring novel styles, but also putting forward higher requirements for comfort. For the yarns that make up fabrics, various functional high value-added spun yarns are constantly being introduced.
如專利文獻CN206843638U公開了一種防透視短纖紗，包括包覆層和芯束層，包覆層為中空結構，芯束層位於包覆層的中空內，芯束層由若干個芯層組成，這樣的結構具有多重散射效果，同時輔以纖維細旦化、表面粗糙化、紗線多孔化，實現了淺色輕薄織物的防透效果，但是纖維斷面設計較為複雜，而且芯束層需要在包覆層中偏心設置，才能帶來非常好的捲曲度以提高散射途徑，工藝上有難度，不利於控制。For example, the patent document CN206843638U discloses an anti-see-through spun fiber yarn, which includes a cladding layer and a core bundle layer, the cladding layer is a hollow structure, the core bundle layer is located in the hollow of the cladding layer, and the core bundle layer is composed of several core layers, Such a structure has multiple scattering effects, and is supplemented by finer denier fibers, rougher surfaces, and porous yarns to achieve the anti-penetration effect of light-colored and thin fabrics, but the fiber cross-section design is complicated, and the core layer needs to be in The eccentric setting in the cladding layer can bring a very good degree of curling to improve the scattering path, which is difficult in the process and is not conducive to control.
又如，專利文獻WO2019/091447A公開了一種高防透芯鞘複合纖維及織物。該複合纖維為芯鞘複合斷面形態，芯成分中含有高濃度的無機粒子，鞘成分中含有低濃度的無機粒子，所得到的複合纖維在具有良好的紡絲加工性的同時，還具有優異的防透、抗紫外、遮熱性能。但是這樣的複合纖維為100wt%長纖維，化纖感較強，應用範圍受到限制。For another example, patent document WO2019/091447A discloses a core-sheath composite fiber and fabric with high anti-penetration resistance. The composite fiber has a core-sheath composite cross-sectional shape, the core component contains a high concentration of inorganic particles, and the sheath component contains a low concentration of inorganic particles, and the obtained composite fiber has good spinning processability, and also has excellent Anti-penetration, anti-ultraviolet and heat shielding properties. However, such composite fibers are 100 wt% long fibers, which have a strong chemical fiber feel, and their application scope is limited.
再如，專利文獻CN105734772A公開了一種防透機織物及其生產方法。該機織物的60wt%以上的紗線為具有芯鞘結構且二氧化鈦含量在3至7%之間的防透滌綸紗線，通過採用防透滌綸紗線來實現面料的高防透性和抗紫外性。但是這樣的防透滌綸紗線同樣為100wt%長纖維，化纖感較強，應用範圍受到限制。For another example, the patent document CN105734772A discloses an anti-penetration woven fabric and a production method thereof. More than 60wt% of the yarns of the woven fabric are anti-permeable polyester yarns with a core-sheath structure and a titanium dioxide content between 3 and 7%. The high anti-permeability and UV resistance of the fabric are achieved by using anti-permeable polyester yarns. sex. However, such anti-penetration polyester yarn is also 100wt% long fiber, which has a strong chemical fiber feeling and limited application range.
本發明的目的在於提供一種工藝簡單易行，不僅具有良好的抗紫外線性、防透性和遮熱性，而且具有良好的防汗漬性的短纖紗及由其製得的面料。 The purpose of the present invention is to provide a spun fiber yarn with simple and easy process, not only good UV resistance, anti-permeability and heat shielding properties, but also good anti-perspiration property and a fabric prepared therefrom.
本發明的技術解決方案： (1)本發明的短纖紗，由40wt%以上的高防透短纖維構成，其中，高防透短纖維為無機粒子含量7.0至30.0wt%的短纖維。 (2)上述(1)的短纖紗，其為均一的混紡紗，且截面上四個象限裡，每個象限中高防透短纖維的混率的標準偏差在10以內。 (3)上述(1)的短纖紗，高防透短纖維中的無機粒子為二氧化鈦、碳酸鈣和氧化鋅的一種或更多種。 (4)上述(1)的短纖紗，高防透短纖維為聚酯類或聚醯胺類。 (5)上述(1)至(4)中任一項的短纖紗，高防透短纖維為具有芯鞘型斷面結構的複合纖維或者為具有3層以上多層斷面結構的複合纖維。 (6)上述(5)的短纖紗，高防透短纖維為具有3層～15層的多層斷面結構的複合纖維。 (7)一種含有(1)至(6)中任一項的短纖紗的面料。 (8)上述(7)的面料，其在乾濕狀態下的反射率差的絕對值在7%以下。 Technical solution of the present invention: (1) The spun fiber yarn of the present invention is composed of 40 wt% or more of high anti-permeability short fibers, wherein the high anti-permeability short fibers are short fibers with an inorganic particle content of 7.0 to 30.0 wt%. (2) The spun yarn of (1) above, which is a uniform blended yarn, and in the four quadrants of the cross section, the standard deviation of the blending ratio of the high-impermeable staple fibers in each quadrant is within 10. (3) The spun fiber yarn of the above (1), wherein the inorganic particles in the highly impermeable staple fiber are one or more of titanium dioxide, calcium carbonate and zinc oxide. (4) The spun fiber yarn of the above (1), wherein the high-impermeability staple fiber is polyester type or polyamide type. (5) The spun fiber yarn according to any one of (1) to (4) above, wherein the highly impermeable staple fiber is a composite fiber having a core-sheath cross-sectional structure or a composite fiber having a multi-layer cross-sectional structure of three or more layers. (6) The spun fiber yarn according to (5) above, wherein the highly impermeable staple fiber is a composite fiber having a multi-layered cross-sectional structure of 3 to 15 layers. (7) A fabric containing the spun yarn of any one of (1) to (6). (8) The fabric according to (7) above, wherein the absolute value of the difference in reflectance between wet and dry conditions is 7% or less.
本發明的短纖紗包括40wt%以上的高防透短纖維，利用高防透短纖維中無機粒子來提高光線的折射率，可以增強可見光藍光的反射，使高防透短纖維帶有藍色調，肉眼看起來更白，帶來防透效果；而且高含量的無機粒子可以吸收大量的紫外線波段波長，抗紫外線效果優越；同時這些無機粒子可以反射可見光和紅外光，遮斷紅外區域的光，從而抑制日曬帶來的溫度上升，具有很好的遮熱效果。另外，本發明的短纖紗製得的面料在乾濕狀態下的反射率差小，也就是說乾燥狀態和濕潤狀態下的顏色差異不明顯，可以很好地化解出汗後汗漬等帶來的尷尬。The spun fiber yarn of the present invention comprises more than 40 wt% of high anti-transmission short fibers, and the inorganic particles in the high anti-transparent short fibers are used to increase the refractive index of light, which can enhance the reflection of visible light and blue light, and make the high anti-transparent short fibers have a blue tone , the naked eye looks whiter, bringing anti-transmission effect; and the high content of inorganic particles can absorb a large number of ultraviolet wavelengths, and the anti-ultraviolet effect is superior; at the same time, these inorganic particles can reflect visible light and infrared light, block the light in the infrared region, Thereby, the temperature rise caused by the sun is suppressed, and it has a good heat shielding effect. In addition, the fabric made of the spun yarn of the present invention has a small difference in reflectivity between dry and wet states, that is to say, the color difference between the dry state and the wet state is not obvious, which can well resolve the sweat stains caused by sweating. of embarrassment.
本發明的短纖紗含有40wt%的高防透短纖維。即，本發明所涉及的短纖紗可以為100wt%高防透短纖維構成的短纖紗，也可以為高防透短纖維與其他短纖維混紡而形成的複合短纖紗。如果高防透短纖維的含量低於40wt%的話，短纖紗的防透效果和抗紫外效果不好。The spun fiber yarn of the present invention contains 40% by weight of high anti-penetration short fibers. That is, the spun yarn according to the present invention may be a spun yarn composed of 100% by weight of high-permeability-resistant staple fibers, or may be a composite spun yarn formed by blending high-permeability-resistant staple fibers with other staple fibers. If the content of the high anti-penetration staple fiber is less than 40wt%, the anti-penetration effect and anti-ultraviolet effect of the staple fiber yarn are not good.
這裡的其他短纖維沒有特別限定，如棉、麻、毛、絹等天然纖維，銅銨、黏膠、醋酸酯等再生纖維，聚酯、丙烯酸、聚醯胺等合成纖維等，可根據需要選擇其中的一種或多種。上述聚酯纖維可以是聚對苯二甲酸乙二醇酯(PET)、聚對苯二甲酸丁二醇酯(PBT)、聚對苯二甲酸丙二醇酯(PTT)等。The other short fibers here are not particularly limited, such as natural fibers such as cotton, hemp, wool, and silk, regenerated fibers such as cuproammonium, viscose, and acetate, and synthetic fibers such as polyester, acrylic, and polyamide, etc., which can be selected according to needs. one or more of them. The above polyester fiber may be polyethylene terephthalate (PET), polybutylene terephthalate (PBT), polytrimethylene terephthalate (PTT), or the like.
本發明的高防透短纖維中，無機粒子含量為7.0至30.0 wt%，較佳為7.0至15.0wt%。無機粒子含量低於7.0wt%時，雖然在紡絲性能和纖維物性方面沒有問題，但是對光線的反射和吸收效果受到影響，抗紫外線性、防透性和防汗漬性不好；而無機粒子含量高於30.0wt%時，在紡絲過程中易發生斷絲、飄絲現象，而且最終產品的強度差，應用範圍受到限制。In the high anti-penetration short fiber of the present invention, the content of inorganic particles is 7.0 to 30.0 wt %, preferably 7.0 to 15.0 wt %. When the content of inorganic particles is less than 7.0wt%, although there is no problem in spinning performance and fiber physical properties, the reflection and absorption effects of light are affected, and the anti-ultraviolet, anti-permeability and anti-perspiration properties are not good; while inorganic particles When the content is higher than 30.0wt%, the phenomenon of filament breakage and filament floating is easy to occur during the spinning process, and the strength of the final product is poor, and the application range is limited.
本發明的短纖紗較佳為混紡短纖紗。作為表示混紡短纖紗均勻度的指標，短纖紗截面上的四個象限裡，每個象限中所述高防透短纖維的混率的標準偏差在10以內。如果標準偏差超過10的話，可能會出現高防透短纖維聚集在一側的現象，光線可以輕易從高防透纖維含量低的區域透過，防透、抗紫外和遮熱性有下降的趨勢。 The spun fiber yarn of the present invention is preferably a blended spun fiber yarn. As an index representing the uniformity of the blended spun yarn, in the four quadrants on the cross section of the spun yarn, the standard deviation of the blending rate of the high anti-penetration staple fibers in each quadrant is within 10. If the standard deviation exceeds 10, there may be a phenomenon that the short fibers of high anti-penetration are gathered on one side, and light can easily pass through the area with low content of high-anti-penetration fibers, and the anti-penetration, UV resistance and heat shielding properties tend to decrease.
本發明的高防透短纖維中，無機粒子的種類沒有特別限定，可根據需要進行選擇，較佳為二氧化鈦、碳酸鈣和氧化鋅中的一種或更多種。其中，二氧化鈦粒子對光的散射效果最好，並且具有良好的安全性、穩定性以及分散性等特性，因此為更佳。根據結晶形態的不同，二氧化鈦粒子分為銳鈦型和金紅石型。銳鈦型二氧化鈦粒子的結晶構造不穩定，易生成自由基，當自由基積蓄到一定的量時，有可能會影響聚合物的耐光堅牢度。如果纖維中大量含有銳鈦型二氧化鈦粒子的話，纖維的耐光性能有變差的趨勢，因此，較佳金紅石型二氧化鈦粒子。In the high-impermeability short fibers of the present invention, the types of inorganic particles are not particularly limited and can be selected according to needs, and are preferably one or more of titanium dioxide, calcium carbonate and zinc oxide. Among them, titanium dioxide particles have the best scattering effect on light, and have good properties such as safety, stability, and dispersibility, so they are more preferred. Titanium dioxide particles are classified into anatase type and rutile type according to the crystal form. The crystal structure of anatase titanium dioxide particles is unstable, and free radicals are easily generated. When the free radicals accumulate to a certain amount, the light fastness of the polymer may be affected. If the fiber contains a large amount of anatase-type titanium dioxide particles, the light resistance of the fiber tends to be deteriorated, and therefore, rutile-type titanium dioxide particles are preferred.
本發明的高防透短纖維，其種類沒有特別限定，只要是能混入無機粒子的纖維都可以，如聚酯類、聚醯胺類、丙烯腈類、再生纖維素纖維等，較佳聚酯類或聚醯胺類。具體地說，所述聚酯類可以是聚對苯二甲酸乙二醇酯(PET)、聚對苯二甲酸丙二醇酯(PTT)、聚對苯二甲酸丁二醇酯(PBT)等；所述聚醯胺類可以是聚醯胺6、聚醯胺66等。The type of the high anti-penetration short fiber of the present invention is not particularly limited, as long as it is a fiber that can be mixed with inorganic particles, such as polyester, polyamide, acrylonitrile, regenerated cellulose fiber, etc., preferably polyester class or polyamide class. Specifically, the polyesters can be polyethylene terephthalate (PET), polytrimethylene terephthalate (PTT), polybutylene terephthalate (PBT), etc.; The polyamides can be polyamide 6, polyamide 66 and the like.
本發明的高防透短纖維，其斷面形狀也沒有特別限定，可以是圓形，也可以是十字形、多葉形等異型。本發明的高防透短纖維，可以是單組分纖維，也可以是多組分的複合纖維，較佳為複合纖維。其中，複合纖維的斷面結構可以是芯鞘、多層等複合形態，這樣的複合形態可以實現二氧化鈦粒子含量的最大化，因此為更佳。作為具有芯鞘型斷面結構的複合纖維，其芯部與鞘部中無機粒子的重量比較佳為50～95：50～5。作為具有多層斷面結構的複合纖維，其層數沒有特別限定，考慮到斷面成型性以及纖維基本物性等，較佳3層以上，進一步較佳3層至15層，最佳3層至9層。The cross-sectional shape of the highly impermeable staple fiber of the present invention is not particularly limited, either, and may be circular, cross-shaped, multilobal or other irregular shapes. The high-impermeability short fibers of the present invention may be single-component fibers or multi-component composite fibers, preferably composite fibers. Among them, the cross-sectional structure of the composite fiber can be a composite form such as core-sheath, multi-layer, etc., such a composite form can maximize the content of titanium dioxide particles, so it is more preferable. As a composite fiber having a core-sheath cross-sectional structure, the weight ratio of the inorganic particles in the core part and the sheath part is preferably 50-95:50-5. The number of layers of the composite fiber having a multi-layered cross-sectional structure is not particularly limited, and in consideration of cross-sectional formability and basic physical properties of the fiber, preferably three or more layers, more preferably 3 to 15 layers, and most preferably 3 to 9 layers layer.
具有多層斷面結構的複合纖維，其多層斷面結構上聚合物A和聚合物B交互排列，至少1層由無機粒子含量為10.0至70.0wt%的聚合物A形成，並且聚合物A占複合纖維的10至70wt%，最外層由無機粒子含量為5.0wt%以下的聚合物B形成。A composite fiber with a multi-layer cross-sectional structure, wherein the polymer A and the polymer B are alternately arranged on the multi-layer cross-sectional structure, and at least one layer is formed of the polymer A with an inorganic particle content of 10.0 to 70.0 wt %, and the polymer A accounts for the composite fiber. 10 to 70 wt % of the fibers, the outermost layer is formed of polymer B with an inorganic particle content of 5.0 wt % or less.
本發明中，聚合物A和聚合物B的成分沒有特別的限定，較佳為聚酯類聚合物或聚醯胺類聚合物。具體地說，所述聚酯類聚合物可以是聚對苯二甲酸乙二醇酯(PET)、聚對苯二甲酸丙二醇酯(PTT)、聚對苯二甲酸丁二醇酯(PBT)等均聚合物，也可以是它們的共聚物；所述聚醯胺類聚合物可以是聚醯胺6、聚醯胺66等。根據聚合物B中無機粒子含量的不同，聚合物B可以分為大有光、半消光和全消光。這些聚合物中還可以添加功能性成分，如抗靜電成分、吸濕成分、阻燃成分、抗菌成分等。In the present invention, the components of the polymer A and the polymer B are not particularly limited, but are preferably polyester-based polymers or polyamide-based polymers. Specifically, the polyester polymer can be polyethylene terephthalate (PET), polytrimethylene terephthalate (PTT), polybutylene terephthalate (PBT), etc. Homopolymers can also be their copolymers; the polyamide polymers can be polyamide 6, polyamide 66 and the like. According to the content of inorganic particles in polymer B, polymer B can be divided into large gloss, semi-extinction and full extinction. Functional ingredients, such as antistatic ingredients, hygroscopic ingredients, flame retardant ingredients, antibacterial ingredients, etc., can also be added to these polymers.
本發明對多層斷面結構的形態不做特別規定，可以是同心圓排列、平行排列，也可以是各層之間垂直相交排列等。當多層斷面結構為同心圓排列時，最內部的中心層可以是聚合物層，也可以是中空層。The present invention does not specifically stipulate the form of the multi-layer cross-sectional structure, which may be arranged in concentric circles, parallel arrangements, or perpendicularly intersecting arrangements between layers. When the multi-layer cross-sectional structure is arranged in concentric circles, the innermost central layer may be a polymer layer or a hollow layer.
本發明的短纖紗，其製造方法並無特別限定，可以是在混打棉或梳棉步驟中將原棉進行混棉方法，在併條步驟或混合針梳步驟中將條子重疊複合的方法。在精紡步驟中供給多根粗紗或條子進行精紡加撚的方法等。The production method of the spun yarn of the present invention is not particularly limited, and may be a method of blending raw cotton in the cotton blending or carding step, and a method of overlapping and compounding the sliver in the drawing step or the mixing needle-carding step. A method of supplying a plurality of rovings or slivers for worsting and twisting in the worsting step, and the like.
更具體地說，例如，當其他短纖維為棉短纖維時，先高防透短纖維通過梳棉機使其成為條子，在隨後的併條步驟中與其他短纖維的棉條一起複合，較佳進行三次以上併條。當其他短纖維為其他合成纖維或再生纖維時，較佳在原棉混合時進行混合，其後再進入梳棉機，更佳進行兩次以上打棉。More specifically, for example, when the other staple fibers are cotton staple fibers, the high-impermeability staple fibers are first passed through a carding machine to make them into sliver, and in the subsequent drawing step, they are compounded with the sliver of other staple fibers, which is relatively Preferably more than three draws are performed. When the other short fibers are other synthetic fibers or regenerated fibers, it is better to mix them when the raw cotton is mixed, and then enter the carding machine, and more preferably to beat the cotton more than twice.
利用本發明的短纖紗作為全部或部分原料製得面料。這裡的面料可以是機織物，也可以是針織物。部分使用本發明的短纖紗時，其他紗線沒有特別限定，可根據需要進行選擇，這些紗線的纖維原料可以列舉的是聚對苯二甲酸乙二醇酯纖維、聚醯胺纖維、聚烯烴纖維、聚氨酯纖維等。The fabric is prepared by using the spun yarn of the present invention as all or part of the raw material. The fabrics here can be woven fabrics or knitted fabrics. When the spun yarn of the present invention is partially used, other yarns are not particularly limited and can be selected as required. The fiber raw materials of these yarns include polyethylene terephthalate fibers, polyamide fibers, and Olefin fibers, polyurethane fibers, etc.
在本發明面料的製造過程中，後整理時可以根據需要選擇合適的吸水劑、防水劑、柔軟劑等進行加工，這些藥劑可以是市售品，也可以是自行配製得到的產品，種類也沒有特別限定。其中，吸水劑可以列舉的是聚酯類樹脂、丙烯酸類樹脂等，防水劑可以列舉的是碳氟類樹脂、碳氫類樹脂等。柔軟劑可以列舉的是有機矽類樹脂等。In the manufacturing process of the fabric of the present invention, suitable water-absorbing agents, water-repellent agents, softeners, etc. can be selected for processing according to the needs in the post-finishing process. These agents can be commercially available or self-prepared products. Specially limited. Among them, polyester-based resins, acrylic resins, etc. are exemplified as water-absorbing agents, and fluorocarbon-based resins, hydrocarbon-based resins, and the like are exemplified as water-absorbing agents. As a softener, a silicone resin etc. are mentioned.
使用本發明短纖紗的面料一面在濕潤狀態反射率和乾燥狀態反射率之間的差的絕對值在7%以下，變褪色評價在3-4級及以上。乾濕狀態下編織物的顏色差不明顯，可以化解出汗後汗漬帶來的尷尬。The absolute value of the difference between the reflectance in the wet state and the reflectance in the dry state on one side of the fabric using the spun fiber yarn of the present invention is below 7%, and the evaluation of discoloration and fading is grade 3-4 and above. The color difference of the knitted fabric is not obvious in the dry and wet state, which can resolve the embarrassment caused by perspiration after sweating.
作為較佳之本發明面料的防透率為85%以上，防透性能優越。As the preferred fabric of the present invention, the anti-permeability rate of the fabric is more than 85%, and the anti-permeability performance is excellent.
以下結合實施例及比較例對本發明進一步說明，但本發明不限於此。本發明中所涉及的各參數通過如下方法測得。 (1)高防透短纖維的含量 The present invention will be further described below with reference to Examples and Comparative Examples, but the present invention is not limited thereto. Each parameter involved in the present invention is measured by the following methods. (1) The content of high anti-penetration short fiber
選取任意長度的10根短纖紗作為測試樣本。取其中1根短纖紗，根據斷面形態以及無機粒子含量(石蠟包埋法)的區別，分解出原棉1(高防透短纖維原棉)、原棉2、原棉3……。再根據JIS L 1015：2010測試方法計算出高防透短纖維原棉的平均纖度記為a1，以及其他原棉的平均纖度並記為a2、a3……。接著拍攝10根短纖紗的斷面照片，在顯微鏡下根據斷面形態數出每張照片上高防透短纖維原棉的根數，計算出總根數之和並記為b1，高防透短纖維的重量X=a1×b1。分別數出其他原棉的根數，計算出總根數之和並記為b2、b3……，總重量Y=a1×b1+a2×b2+a3×b3……，計算出高防透短纖維的含量=(X/Y)×100%。Ten spun yarns of any length were selected as test samples. Take one of the spun fiber yarns, and decompose raw cotton 1 (highly impermeable short fiber raw cotton), raw cotton 2, raw cotton 3... Then according to the JIS L 1015:2010 test method, the average fineness of the high-impermeability short fiber raw cotton is calculated as a1, and the average fineness of other raw cottons is recorded as a2, a3... . Then take the cross-sectional photos of 10 staple fiber yarns, count the number of high-proof short fiber raw cotton on each photo according to the cross-sectional shape under the microscope, calculate the sum of the total number and record it as b1, high anti-penetration The weight of the short fiber X=a1×b1. Count the number of other raw cottons respectively, calculate the sum of the total number and record it as b2, b3..., the total weight Y=a1×b1+a2×b2+a3×b3..., calculate the high anti-penetration short fiber The content of =(X/Y)×100%.
其中，混紡原料中的纖維素纖維斷面形態可以舉例的是：棉纖維的斷面為不規則的腰圓形、有中腔，苧麻纖維的斷面為腰圓形、有中腔、胞壁有裂紋，羊毛的斷面為近似圓形或橢圓形，桑蠶絲的斷面為不規則的三角形，銅銨纖維的斷面為圓形，黏膠纖維的斷面為鋸齒圓形，醋酸纖維的斷面為葉狀。 (2)高防透短纖維中無機粒子的含量 Among them, the cross-sectional shape of the cellulose fiber in the blended raw material can be exemplified as follows: the cross-section of the cotton fiber is an irregular waist circle with a middle cavity, and the cross-section of the ramie fiber is a waist circle with a middle cavity and a cell wall. There are cracks, the section of wool is approximately circular or oval, the section of mulberry silk is an irregular triangle, the section of cuprammonium fiber is circular, the section of viscose fiber is serrated and circular, and the section of acetate fiber is circular. The section is leaf-shaped. (2) Content of inorganic particles in high anti-penetration short fibers
根據斷面形態以及無機粒子含量(石蠟包埋法)的區別，分解出4g左右的高防透短纖維，熔融製樣，通過X射線螢光光譜儀(生產商：Rigaku，型號：ZSX PrimusⅢ+)測定其中無機粒子的含量。 (3)高防透短纖維的混率的標準偏差 According to the difference of the cross-sectional shape and the content of inorganic particles (paraffin embedding method), about 4g of high-impermeability short fibers were decomposed, melted and sampled, and passed through an X-ray fluorescence spectrometer (manufacturer: Rigaku, model: ZSX PrimusⅢ+) The content of inorganic particles therein was determined. (3) Standard deviation of the mixing rate of high anti-penetration short fibers
選取任意長度的5根短纖紗作為測試樣本。選取其中1根，利用石蠟包埋法拍攝其橫截面照片，將所有單纖維包含在內畫圓(外切圓)，以圓心為中心點，把橫截面分成四個象限，根據纖維斷面形狀區分每個象限中的纖維種類並標識出高防透短纖維，將每個象限中的所有的單纖維都剪下來並按照四個象限分別放置，分別稱出每個象限中所有單纖維的總重量以及每個象限中高防透短纖維的總重量，計算出每個象限中高防透短纖維在該象限中的混率。按照同樣的方法，得到餘下4根樣本的每個象限中高防透短纖維在該象限中的混率，共20組數據，計算出這20組數據的樣本標準偏差作為本發明的高防透短纖維的混率的標準偏差。 (4)防透率 Five spun yarns of any length were selected as test samples. Select one of them, take a photo of its cross-section using the paraffin embedding method, and draw a circle (circumscribed circle) to include all single fibers. With the center of the circle as the center point, the cross-section is divided into four quadrants, which are distinguished according to the shape of the fiber cross-section. Types of fibers in each quadrant and identify high-impermeability short fibers, cut all single fibers in each quadrant and place them in four quadrants, respectively, weigh the total weight of all single fibers in each quadrant And the total weight of the high anti-penetration short fibers in each quadrant, calculate the mixing rate of the high anti-penetration short fibers in each quadrant in this quadrant. According to the same method, the mixing ratio of the high anti-penetration staple fibers in each quadrant of the remaining 4 samples was obtained, a total of 20 sets of data were obtained, and the sample standard deviation of the 20 sets of data was calculated as the high anti-penetration short fiber of the present invention. The standard deviation of the mixing rate. (4) Anti-transmission rate
使用色調儀(型號650、廠家datacolour)分別測試白板、黑板L值：L(白)、L(黑)。取10×10cm樣布3塊，分別襯著白板、黑板測試出它們的L值，白板和樣布的L值記為L1、黑板和樣布的L值記為L2，通過如下公式計算出樣布的防透率： 防透率(%)=100%-［(L1-L2)×100%］。 (5)反射率差的絕對值 Use a hue meter (model 650, manufacturer datacolour) to test the L values of the whiteboard and blackboard: L (white), L (black). Take 3 pieces of 10×10cm sample cloth, and test their L values against the whiteboard and blackboard respectively. The L value of the whiteboard and the sample cloth is recorded as L1, and the L value of the blackboard and the sample cloth is recorded as L2. The permeability of the cloth: Anti-transmission rate (%)=100%-[(L1-L2)×100%]. (5) Absolute value of reflectivity difference
剪取平整無褶皺10cm×10cm試樣2塊，其中一塊作為乾燥狀態測試樣，一塊作為濕潤狀態測試樣。用紫外分光光度計分別測出試樣在乾燥狀態和濕潤(濕飽和)狀態的反射率，然後計算出兩者差的絕對值。其中濕潤(濕飽和)狀態是指，將試樣浸泡到水中，完全潤濕時取出來，再在溫度20℃、濕度65%的環境下平鋪，等到不滴水狀態時稱為濕飽和狀態。乾燥狀態是指20℃、濕度65%的環境平衡24小時的狀態。按照同樣的方法一共測5組數據，取平均值作為本發明反射率差的絕對值。 (6)抗紫外線性(抗UV性、UPF值) Cut 2 flat and wrinkle-free 10cm×10cm samples, one of which is used as the test sample in the dry state, and the other is used as the test sample in the wet state. Use an ultraviolet spectrophotometer to measure the reflectance of the sample in the dry state and in the wet (wet saturation) state, respectively, and then calculate the absolute value of the difference between the two. The wet (wet-saturated) state refers to soaking the sample in water, taking it out when it is completely wet, and then laying it flat in an environment with a temperature of 20 °C and a humidity of 65%, and it is called the wet-saturated state when it is not dripping. The dry state refers to a state in which an environment of 20°C and a humidity of 65% has been balanced for 24 hours. According to the same method, a total of 5 sets of data are measured, and the average value is taken as the absolute value of the reflectivity difference of the present invention. (6) UV resistance (UV resistance, UPF value)
根據GB/T 6529-2008標準。 (7)遮熱性 According to GB/T 6529-2008 standard. (7) Heat shielding property
將15cm×15cm的樣布1塊先進行50℃×1小時的預處理，再放置在20℃×65%RH的標準環境中調濕12小時以上。利用燈型號：PRS500W、燈管功率：500W的設備，照射距離為50cm，黑色紙板與試樣保持5mm的距離，在黑色紙板反面的中間處放置溫度傳感器，用燈照射樣布表面，照射時間為15分鐘，每隔1分鐘記錄溫度，取第10分鐘時的溫度作為本發明遮熱性的數據，溫度越低，遮熱性越好。 [實施例1] A piece of 15cm×15cm sample cloth was first pretreated at 50°C×1 hour, and then placed in a standard environment of 20°C×65%RH to adjust the humidity for more than 12 hours. Using the equipment with lamp model: PRS500W, lamp power: 500W, the irradiation distance is 50cm, the black cardboard and the sample are kept at a distance of 5mm, a temperature sensor is placed in the middle of the reverse side of the black cardboard, and the surface of the sample cloth is irradiated with a lamp. The irradiation time is For 15 minutes, the temperature was recorded every 1 minute, and the temperature at the 10th minute was taken as the data of the heat shielding property of the present invention. The lower the temperature, the better the heat shielding property. [Example 1]
選用金紅石型二氧化鈦粒子含量為12.1wt%的芯鞘結構PET原棉作為高防透短纖維原料，依次經過打棉步驟、梳棉步驟、併條步驟、粗紗步驟以及賽絡緊密紡步驟，其中，混打棉步驟：兩次打棉，併條步驟：兩次併條，賽絡緊密紡步驟：回轉數12500 rpm、牽伸倍率20～40倍、吸口平均負壓2000 Pa，得到高防透短纖維含量為100wt%的45英支短纖紗。The core-sheath structure PET raw cotton with a rutile-type titanium dioxide particle content of 12.1 wt% is selected as the raw material of high anti-penetration short fiber, and the cotton-beating step, the carding step, the drawing step, the roving step and the siro compact spinning step are successively performed, wherein, Mixing and beating steps: two times of cotton beating, drawing step: two times of drawing, Siro compact spinning step: 12500 rpm revolutions, 20-40 times of draft ratio, and average negative pressure of 2000 Pa at the suction port, to obtain high anti-penetration short N 45 staple fiber yarn with a fiber content of 100wt%.
將上述短纖紗作為經緯紗，1/1平紋組織進行織造，經向密度110根/吋、緯向密度76根/吋，得到坯布，然後經過精練(90℃×20分鐘)→染色(分散染料，130℃×30分鐘)→後整理(聚酯類吸水柔軟劑、80℃×20分鐘)→烘乾工程(150℃×1分鐘)，得到本發明的機織物，各項性能參數見表1。 [實施例2] Using above-mentioned spun yarn as warp and weft, 1/1 plain weave weaving, warp density 110/inch, weft density 76/inch, obtain grey cloth, then through scouring (90 ℃ × 20 minutes) → dyeing (dispersion) dyestuff, 130°C × 30 minutes) → post-finishing (polyester water-absorbing softener, 80° C × 20 minutes) → drying process (150° C × 1 minute) to obtain the woven fabric of the present invention, and the performance parameters are shown in the table 1. [Example 2]
選用金紅石型二氧化鈦粒子含量為7.7wt%的多層結構PET原棉和二氧化鈦粒子含量為0.3wt%的半消光陽離子PET原棉作為原料，其中，混打棉步驟：兩次打棉，併條步驟：兩次併條，其餘同實施例1，得到高防透短纖維含量為85wt%的45英支短纖紗和機織物，各項性能參數見表1。The multi-layered PET raw cotton with a rutile-type titanium dioxide particle content of 7.7 wt% and a semi-matte cationic PET raw cotton with a titanium dioxide particle content of 0.3 wt% were selected as raw materials, wherein the cotton mixing step: two times of cotton beating, and the drawing step: two The second drawing, the rest are the same as in Example 1, to obtain a 45-inch spun fiber yarn and a woven fabric with a high anti-penetration short fiber content of 85wt%, and the performance parameters are shown in Table 1.
其中，多層結構PET原棉為3層結構，斷面上由外向裡依次為外層、中間層以及裡層，3層均為含有白色二氧化鈦粒子的PET，中間層中二氧化鈦粒子的含量為15wt%且中間層在整個斷面上的占比為50%，外層和裡層中二氧化鈦粒子的含量均為0.3wt%。 [實施例3] Among them, the multi-layer structure PET raw cotton has a three-layer structure. The cross-section is from the outside to the inside. The outer layer, the middle layer and the inner layer are all PET containing white titanium dioxide particles. The content of titanium dioxide particles in the middle layer is 15wt% and the middle layer The proportion of the layer in the entire section is 50%, and the content of titanium dioxide particles in both the outer layer and the inner layer is 0.3 wt%. [Example 3]
選用金紅石型二氧化鈦粒子含量為12.1wt%的芯鞘結構PET原棉和新疆棉作為原料分別製得棉條，即分別製得芯鞘結構PET原棉形成的棉條以及100%新疆棉形成的棉條，併條步驟中採用三次併條，其餘同實施例1，得到高防透短纖維含量為65wt%的45英支的短纖紗和機織物，各項性能參數見表1。 [實施例4] The core-sheath structure PET raw cotton and Xinjiang cotton with a rutile-type titanium dioxide particle content of 12.1 wt% were selected as raw materials to prepare sliver, namely, a sliver formed of core-sheath structure PET raw cotton and a sliver formed of 100% Xinjiang cotton were obtained respectively. , in the drawing step, three times of drawing are adopted, and the rest are the same as in Example 1, to obtain a 45-inch spun yarn and a woven fabric with a high anti-penetration short fiber content of 65wt%, and the performance parameters are shown in Table 1. [Example 4]
選用金紅石型二氧化鈦粒子含量為29.5wt%的芯鞘結構PET原棉和二氧化鈦粒子含量為0.3wt%的黏膠纖維作為原料，其餘同實施例2，得到高防透短纖維含量為65wt%的45英支短纖紗和機織物，各項性能參數見表1。 [實施例5] The core-sheath structure PET raw cotton with a rutile-type titanium dioxide particle content of 29.5wt% and a viscose fiber with a titanium dioxide particle content of 0.3wt% were selected as raw materials. British count spun yarn and woven fabric, the performance parameters are shown in Table 1. [Example 5]
選用金紅石型二氧化鈦粒子含量為20.0wt%的芯鞘結構PET原棉和新疆棉作為原料分別製得棉條，其餘同實施例3，得到高防透短纖維含量為65wt%的45英支短纖紗和機織物，各項性能參數見表1。 [實施例6] The core-sheath structure PET raw cotton and Xinjiang cotton with a rutile-type titanium dioxide particle content of 20.0 wt% are used as raw materials to obtain cotton sliver, and the rest are the same as in Example 3, and the 45-inch staple fiber with a high anti-penetration short fiber content of 65 wt% is obtained. Yarn and woven fabric, the performance parameters are shown in Table 1. [Example 6]
選用金紅石型二氧化鈦粒子含量為12.1wt%的芯鞘結構PET原棉和新疆棉作為原料分別製得棉條，併條步驟中採用兩次併條，其餘同實施例3，得到高防透短纖維含量為65wt%的45英支短纖紗和機織物，各項性能參數見表1。 [實施例7] The core-sheath structure PET raw cotton and Xinjiang cotton with a rutile-type titanium dioxide particle content of 12.1 wt% were selected as raw materials to obtain cotton sliver respectively. In the drawing step, two times of drawing were adopted, and the rest were the same as in Example 3 to obtain high anti-penetration short fibers. The performance parameters of the 45-inch staple fiber yarn and woven fabric with a content of 65wt% are shown in Table 1. [Example 7]
選用碳酸鈣粒子含量為12.1wt%的芯鞘結構PET原棉和美國棉作為原料分別製得棉條，其餘同實施例3，得到高防透短纖維含量為65wt%的45英支短纖紗和機織物，各項性能參數見表1。 [實施例8] Selecting calcium carbonate particle content to be 12.1wt% core-sheath structure PET raw cotton and American cotton to make sliver respectively as raw material, all the other are the same as in Example 3, obtain high anti-penetration short fiber content and be 45 British count spun fiber yarns of 65wt% and The performance parameters of the woven fabric are shown in Table 1. [Example 8]
選用金紅石型二氧化鈦粒子含量為7.7wt%的多層結構的PET原棉和二氧化鈦粒子含量為0.3wt%的黏膠纖維作為原料，其餘同實施例2，得到高防透短纖維含量為85wt%的45英支短纖紗和機織物，各項性能參數見表1。Selecting rutile-type titanium dioxide particle content to be 7.7wt% multilayered PET raw cotton and titanium dioxide particle content to be 0.3wt% viscose fiber as raw materials, the rest are the same as in Example 2, to obtain 45 with high anti-penetration short fiber content of 85wt%. British count spun yarn and woven fabric, the performance parameters are shown in Table 1.
其中，多層結構PET原棉為7層結構，斷面上由外向裡依次為第1層、第2層、第3層…第7層，7層均為含有白色二氧化鈦粒子的PET，第2層、第4層、第6層中二氧化鈦粒子的含量為15wt%且這3層的總合在整個斷面上的占比為50%，第1層、第3層、第5層、第7層中二氧化鈦粒子的含量均為0.3wt%。 [實施例9] Among them, the multi-layer structure PET raw cotton has a 7-layer structure. The cross-section is the first layer, the second layer, the third layer...the seventh layer, and the seven layers are all PET containing white titanium dioxide particles. The second layer, The content of titanium dioxide particles in the fourth and sixth layers is 15wt%, and the total proportion of these three layers in the entire cross section is 50%. The first, third, fifth, and seventh layers The content of titanium dioxide particles was all 0.3 wt %. [Example 9]
選用銳鈦型二氧化鈦粒子含量為12.1wt%的芯鞘結構PET原棉和美國棉作為原料分別製得棉條，其餘同實施例3，得到高防透短纖維含量為65wt%的45英支短纖紗和機織物，各項性能參數見表1。 [實施例10] The core-sheath structure PET raw cotton and American cotton with an anatase type titanium dioxide particle content of 12.1 wt% were selected as raw materials to obtain sliver, and the rest were the same as in Example 3, and the 45-inch staple fiber with a high anti-penetration short fiber content of 65 wt% was obtained. Yarn and woven fabric, the performance parameters are shown in Table 1. [Example 10]
選用金紅石型二氧化鈦粒子含量為7.7wt%的多層結構PET原棉和美國棉作為原料分別製得棉條，其餘同實施例3，得到高防透短纖維含量為65wt%的30英支短纖紗。Selecting rutile-type titanium dioxide particle content to be 7.7wt% of multi-layered PET raw cotton and American cotton as raw materials to obtain sliver respectively, and the rest are the same as in Example 3, to obtain a 30-inch staple fiber yarn with a high anti-penetration short fiber content of 65wt% .
在28針圓編機上，選用平針組織編織得到坯布，然後經過精練(90℃×20分鐘)→染色(分散染料，130℃×30分鐘)→後整理(聚酯系吸水柔軟劑、80℃×20分鐘)→烘乾工程(150℃×1分鐘)，得到本發明的圓編物，各項性能參數見表1。On a 28-needle circular knitting machine, plain stitches are used to knit to obtain grey fabric, and then scouring (90℃×20min)→dyeing (disperse dye, 130℃×30min)→finishing (polyester-based water-absorbing softener, 80℃ × 20 minutes) → drying process (150° C. × 1 minute) to obtain the circular knitted fabric of the present invention, and various performance parameters are shown in Table 1.
其中，多層結構PET原棉為3層結構，斷面上由外向裡依次為外層、中間層以及裡層，3層均為含有白色二氧化鈦粒子的PET，中間層中二氧化鈦粒子的含量為15wt%且中間層在整個斷面上的占比為50%，外層和裡層中二氧化鈦粒子的含量均為0.3wt%。 [實施例11] Among them, the multi-layer structure PET raw cotton has a three-layer structure. The cross-section is from the outside to the inside. The outer layer, the middle layer and the inner layer are all PET containing white titanium dioxide particles. The content of titanium dioxide particles in the middle layer is 15wt% and the middle layer The proportion of the layer in the entire section is 50%, and the content of titanium dioxide particles in both the outer layer and the inner layer is 0.3 wt%. [Example 11]
選用金紅石型二氧化鈦粒子含量為12.1wt%的並列結構PET原棉和美國棉作為原料分別製得棉條，其餘同實施例3，得到高防透短纖維含量為65wt%的短纖紗和機織物，各項性能參數見表1。 [實施例12] Selecting rutile-type titanium dioxide particle content to be 12.1wt% of side-by-side structure PET raw cotton and American cotton as raw materials to obtain sliver respectively, and the rest are the same as in Example 3, to obtain spun yarn and woven fabric with high anti-penetration short fiber content of 65wt% , the performance parameters are shown in Table 1. [Example 12]
選用金紅石型二氧化鈦粒子含量為12.1wt%的芯鞘結構PET原棉和二氧化鈦含量為0.3wt%的半消光PET原棉作為原料，其餘同實施例2，得到高防透短纖維含量為41wt%的短纖紗和機織物，各項性能參數見表1。 [實施例13] The core-sheath structure PET raw cotton with a rutile-type titanium dioxide particle content of 12.1 wt% and a semi-matte PET raw cotton with a titanium dioxide content of 0.3 wt % were selected as raw materials, and the rest were the same as in Example 2, and the short fibers with a high anti-penetration short fiber content of 41 wt % were obtained. Fiber yarn and woven fabric, the performance parameters are shown in Table 1. [Example 13]
選用金紅石型二氧化鈦含量為7.7wt%的多層結構的PET原棉和二氧化鈦含量為0.3wt%的黏膠纖維作為原料，其餘同實施例2，得到高防透短纖維含量為85wt%的短纖紗和機織物，各項性能參數見表1。Select rutile-type titanium dioxide content to be 7.7wt% multilayer structure PET raw cotton and titanium dioxide content to be 0.3wt% viscose fiber as raw material, all the other are the same as in Example 2, obtain the staple fiber yarn with high anti-penetration short fiber content of 85wt% And woven fabrics, the performance parameters are shown in Table 1.
其中，多層結構PET原棉為12層結構，斷面上由外向裡依次為第1層、第2層、第3層……第12層，12層均為含有白色二氧化鈦粒子的PET，雙數層中二氧化鈦粒子的含量為15wt%且雙數層在整個斷面上的占比為50%，單數層中二氧化鈦粒子的含量均為0.3wt%。 [實施例14] Among them, the multi-layer structure PET raw cotton has a 12-layer structure, and the cross-section is from the outside to the inside in order from the first layer, the second layer, the third layer... The 12th layer and the 12th layer are all PET containing white titanium dioxide particles. The content of titanium dioxide particles is 15 wt % and the proportion of the double layer in the entire section is 50%, and the content of titanium dioxide particles in the single layer is 0.3 wt %. [Example 14]
選用金紅石型二氧化鈦含量為7.7wt%的多層結構的聚醯胺原棉和美國棉作為原料分別製得棉條，其餘同實施例3，得到高防透纖維含量為85wt%的短纖紗和機織物，各項性能參數見表1。Select rutile type titanium dioxide content to be 7.7wt% multilayer structure polyamide raw cotton and American cotton as raw materials to make sliver respectively, all the other are with embodiment 3, obtain high anti-penetration fiber content and be 85wt% spun fiber yarn and machine The performance parameters of the fabric are shown in Table 1.
其中，多層結構聚醯胺原棉為3層結構，斷面上由外向裡依次為外層、中間層以及裡層，3層均為含有白色二氧化鈦粒子的聚醯胺，中間層中二氧化鈦粒子的含量為15wt%且中間層在整個斷面上的占比為50%，外層和裡層中二氧化鈦粒子的含量均為0.3wt%。 [比較例1] Among them, the multi-layer structure polyamide raw cotton has a 3-layer structure, and the cross section is from the outside to the inside in order: the outer layer, the middle layer and the inner layer, the three layers are all polyamide containing white titanium dioxide particles, and the content of the titanium dioxide particles in the middle layer is 15wt% and the proportion of the middle layer in the entire section is 50%, and the content of titanium dioxide particles in the outer layer and the inner layer are both 0.3wt%. [Comparative Example 1]
選用金紅石型二氧化鈦粒子含量為0.3wt%的圓形斷面PET原棉作為原料，其餘同實施例1，得到短纖紗和機織物，各項性能參數見表1。 [比較例2] Select rutile-type titanium dioxide particle content of 0.3wt% circular section PET raw cotton as raw material, the rest are the same as in Example 1, to obtain spun yarn and woven fabric, the performance parameters are shown in Table 1. [Comparative Example 2]
選用銳鈦型二氧化鈦粒子含量為2.6wt%的圓形斷面PET原棉作為原料，其餘同實施例1，得到短纖紗和機織物，各項性能參數見表1。 [比較例3] Select the circular section PET raw cotton with anatase titanium dioxide particle content of 2.6wt% as the raw material, and the rest are the same as in Example 1, to obtain spun yarn and woven fabric, and the performance parameters are shown in Table 1. [Comparative Example 3]
高防透短纖維的含量為35wt%，其餘同實施例3，得到短纖紗和機織物，各項性能參數見表1。
[表1
]
根據上表， (1)由實施例3和實施例6可知，同等條件下，高防透短纖維的混率標準偏差為9.0的短纖紗和高防透短纖維的混率標準偏差為13.0的短纖紗相比，前者所得面料的反射率差的絕對值比後者低，也就是說前者所得面料的防汗漬效果比後者好，而且防透性、抗紫外性和遮熱性也都比後者好。 (2)由實施例3和實施例7可知，同等條件下，由含有二氧化鈦粒子的高防透短纖維形成的短纖紗與由含有碳酸鈣粒子的高防透短纖維形成的短纖紗相比，前者所得面料的反射率差的絕對值比後者低，也就是說前者所得面料的防汗漬效果比後者好，而且前者所得面料的防透性、抗紫外性和遮熱性也都比後者好。 (3)由實施例3和實施例9可知，同等條件下，由含有銳鈦型二氧化鈦粒子的高防透短纖維形成的短纖紗與由含有金紅石型二氧化鈦粒子的高防透短纖維形成的短纖紗相比，前者所得面料的反射率差的絕對值比後者低，也就是說前者所得面料的防汗漬效果比後者好，而且前者所得面料的防透性、抗紫外性和遮熱性也都比後者好。 (4)由實施例8和實施例13可知，同等條件下，由具有7層斷面結構的高防透短纖維形成的短纖紗和由具有12層斷面結構的高防透短纖維形成的短纖紗相比，前者所得面料的反射率差的絕對值比後者低，也就是說前者所得面料的防汗漬效果比後者好，而且前者所得面料的防透性、抗紫外性和遮熱性也都比後者好。 (5)由比較例1和實施例1可知，同等條件下，由二氧化鈦粒子含量為0.3wt%的短纖維形成的短纖紗與由二氧化鈦粒子含量為12.1wt%的短纖維形成的短纖紗相比，前者所得面料的反射率差的絕對值很高，也就是說前者的面料的防汗漬效果很差，而且前者所得面料的防透性、抗紫外性和遮熱性也很差。 (6)由比較例2和實施例1可知，同等條件下，由二氧化鈦粒子含量為2.6wt%的短纖維形成的短纖紗與二氧化鈦粒子含量為12.1wt%的短纖維形成的短纖紗相比，前者所得面料的反射率差的絕對值很高，也就是說前者的面料的防汗漬效果很差，而且前者所得面料的防透性、抗紫外性和遮熱性也很差。 (7)由比較例3和實施例12可知，同等條件下，高防透短纖維的混率為41wt%的短纖紗和高防透短纖維的混率為35wt%的短纖紗相比，前者所得面料的反射率差的絕對值很高，也就是說前者的面料的防汗漬效果很差，而且前者所得面料的防透性、抗紫外性和遮熱性也很差。 According to the above table, (1) It can be seen from Example 3 and Example 6 that, under the same conditions, the spun fiber yarn with the standard deviation of the mixing ratio of high anti-penetration staple fibers is 9.0 and the spun yarn with the standard deviation of the mixing ratio of high anti-penetration short fibers is 13.0. , the absolute value of the reflectivity difference of the former fabric is lower than that of the latter, that is to say, the fabric obtained by the former has better anti-perspiration effect than the latter, and the anti-penetration, UV resistance and heat shielding properties are also better than the latter. (2) It can be seen from Example 3 and Example 7 that under the same conditions, the spun fiber yarn composed of the high permeability-proof short fibers containing titanium dioxide particles and the spun fiber yarn composed of the high permeability-resistant short fibers containing calcium carbonate particles are similar to each other. Compared with the latter, the absolute value of the reflectivity difference of the fabric obtained by the former is lower than that of the latter, that is to say, the anti-perspiration effect of the fabric obtained by the former is better than that of the latter, and the anti-penetration, UV resistance and heat shielding properties of the fabric obtained by the former are also better than those of the latter. . (3) From Example 3 and Example 9, it can be seen that under the same conditions, the spun yarn formed of high-impermeability short fibers containing anatase-type titanium dioxide particles and the high-impermeability short fibers containing rutile-type titanium dioxide particles are formed Compared with the spun fiber yarn, the absolute value of the reflectivity difference of the fabric obtained by the former is lower than that of the latter, that is to say, the anti-perspiration effect of the fabric obtained by the former is better than that of the latter, and the fabric obtained by the former has anti-penetration, UV resistance and heat shielding properties. are also better than the latter. (4) It can be seen from Example 8 and Example 13 that under the same conditions, the spun yarn formed of high-impermeability short fibers with a 7-layer cross-sectional structure and the high-impermeability short fibers with a 12-layer cross-sectional structure Compared with the spun fiber yarn, the absolute value of the reflectivity difference of the fabric obtained by the former is lower than that of the latter, that is to say, the anti-perspiration effect of the fabric obtained by the former is better than that of the latter, and the fabric obtained by the former has anti-penetration, UV resistance and heat shielding properties. are also better than the latter. (5) It can be seen from Comparative Example 1 and Example 1 that under the same conditions, the spun fiber yarn composed of short fibers with a titanium dioxide particle content of 0.3 wt % and the spun fiber yarn composed of short fibers with a titanium dioxide particle content of 12.1 wt % In comparison, the absolute value of the reflectivity difference of the former fabric is very high, which means that the former fabric has a poor anti-perspiration effect, and the former fabric has poor anti-penetration, UV resistance and heat shielding properties. (6) It can be seen from Comparative Example 2 and Example 1 that under the same conditions, the spun yarn formed from short fibers with a titanium dioxide particle content of 2.6 wt % and a spun fiber yarn with a titanium dioxide particle content of 12.1 wt % formed a phase. Compared with the former, the absolute value of the reflectivity difference of the former fabric is very high, that is to say, the former fabric has a poor anti-perspiration effect, and the former is also poor in anti-penetration, UV resistance and heat shielding. (7) It can be seen from Comparative Example 3 and Example 12 that, under the same conditions, the spun fiber yarn with a mixing ratio of high anti-penetration staple fibers of 41 wt% and the spun fiber yarn with a mixing ratio of high anti-penetration staple fibers of 35 wt%, the former The absolute value of the difference in reflectance of the obtained fabric is very high, that is to say, the former fabric has poor anti-perspiration effect, and the former obtained fabric also has poor anti-permeability, UV resistance and heat shielding properties.
圖1為本發明短纖紗的斷面寫真圖。Fig. 1 is a cross-sectional photograph of the spun yarn of the present invention.
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