WO2023216405A1 - 一种具有隔热抗晒功能的针织面料 - Google Patents

一种具有隔热抗晒功能的针织面料 Download PDF

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Publication number
WO2023216405A1
WO2023216405A1 PCT/CN2022/103805 CN2022103805W WO2023216405A1 WO 2023216405 A1 WO2023216405 A1 WO 2023216405A1 CN 2022103805 W CN2022103805 W CN 2022103805W WO 2023216405 A1 WO2023216405 A1 WO 2023216405A1
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Prior art keywords
yarn
knitted fabric
skin
heat insulation
heat
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PCT/CN2022/103805
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English (en)
French (fr)
Inventor
胡军岩
赵晓娟
翟国钧
陈长荣
赵博宇
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东莞超盈纺织有限公司
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Publication of WO2023216405A1 publication Critical patent/WO2023216405A1/zh

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    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B1/10—Patterned fabrics or articles
    • 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
    • D04B1/10—Patterned fabrics or articles
    • D04B1/12—Patterned fabrics or articles characterised by thread material
    • 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
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
    • D04B1/16—Other fabrics or articles characterised primarily by the use of particular thread materials synthetic threads
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
    • D04B1/18—Other fabrics or articles characterised primarily by the use of particular thread materials elastic threads
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C11/00—Teasing, napping or otherwise roughening or raising pile of textile fabrics
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2401/00—Physical properties
    • D10B2401/02—Moisture-responsive characteristics
    • D10B2401/022—Moisture-responsive characteristics hydrophylic

Definitions

  • the present invention relates to the technical field of textile fabrics, and in particular to a knitted fabric with heat insulation and sun protection functions, and in particular to a differentiated moisture-conducting knitted fabric with heat insulation and sun protection functions.
  • CN113863005A discloses an anti-UV fabric suitable for summer outdoor use.
  • the disclosed fabric is made of materials with the following parts by weight: 70-80 parts of cotton fiber, 20-30 parts of bamboo charcoal fiber, 5-7 parts of nano-silver, 3-5 parts of polyethylene glycol, 1-3 parts of glass fiber, 3-5 parts of tourmaline powder, 1-3 parts of dimethyl silicone oil, 2-4 parts of titanium dioxide, 2-3 parts of ceramic powder, 6 parts of silk fibroin -8 parts, 10-15 parts of mosquito repellent liquid and 68-70 parts of deionized water; the mosquito repellent liquid consists of 3-5 parts of peppermint, 1-3 parts of lemongrass, 1-3 parts of cloves, and 2-4 parts of tangerine peel.
  • the fabric is soft and comfortable, has good skin-friendly properties, is comfortable to wear, has strong UV resistance, can achieve long-lasting sun protection, has excellent hygroscopicity and antibacterial properties, and also has a certain mosquito repellent With insect repellent effect, clothing made of this fabric is particularly suitable for summer outdoor activities. However, as the time of wearing the fabric increases, the sun protection effect will gradually weaken, and the fabric feels hard and dry, which affects the softness and comfort when worn.
  • the disclosed anti-ultraviolet textile fabric includes a fabric body, a protective layer is provided inside the fabric body, and an anti-ultraviolet layer is provided inside the protective layer.
  • a thermal insulation layer is provided inside the ultraviolet layer.
  • the disclosed anti-UV textile fabric can effectively block ultraviolet rays through the provided anti-UV layer, thereby protecting the skin, and through the provided heat insulation layer, the heat generated can be blocked on the surface of the textile fabric, making it impossible to Contact with the skin to avoid skin burns.
  • the breathable layer can accelerate the flow of heat generated by the human body, and then absorb the sweat generated through the bamboo fiber in the skin-friendly layer, and open water-locking holes to absorb sweat.
  • the fabric body is relatively thick, which makes it feel oppressive when worn, and lacks breathability, making it unsuitable for sultry summer days.
  • the object of the present invention is to provide a knitted fabric with heat insulation and sun protection function, which has excellent heat insulation and sun protection, breathability, quick drying and It has one-way moisture conductivity, reduces the heat reaching the skin, is comfortable to wear, has excellent comprehensive performance, low production cost and wide application range.
  • the present invention provides a knitted fabric with heat insulation and sun protection function.
  • the knitted fabric with heat insulation and sun protection function includes at least two layers of structure (such as three layers, four layers, etc.), and the knitted fabric with heat insulation and sun protection function Knitted fabrics include at least the garment side and the skin side;
  • the clothing surface includes at least one (such as 2, 3, 4, 6, etc.) first yarn Y1.
  • the first yarn Y1 includes a light-absorbing and heating yarn.
  • the first yarn Y1 is in the garment.
  • the coverage rate is 30%-80% (such as 35%, 40%, 45%, 50%, 55%, 60%, 65%, 70%, 75%, etc.);
  • the skin-adhering surface includes at least one (such as 2, 3, 4, 6, etc.) second yarn Y2, and the second yarn Y2 includes a non-light-absorbing and heating yarn;
  • the water conductivity LP1 of the first yarn Y1 the water conductivity LP2 of the second yarn Y2 ⁇ 2, such as 2.1, 2.5, 2.8, 3.2, etc.;
  • radiant energy is converted into thermal energy, causing the surface layer of the garment to heat up while dissipating part of the heat to the environment again, thereby significantly reducing the transmission of infrared energy to the skin-adhering surface and lowering the temperature of the skin-adhering surface. ; Therefore, only two layers of structure are needed to achieve excellent heat insulation and sun protection effects, and the knitted fabric has excellent breathability, quick drying and one-way moisture conductivity, reducing the heat reaching the skin, making it comfortable to wear and with comprehensive performance Excellent, low production cost and wide application range.
  • the invention achieves the best effect of heat insulation and sun protection by controlling the thickness ratio of the clothing surface and the skin-adjacent surface.
  • the thickness ratio between the clothing surface and the skin-adjacent surface is ⁇ 3.0, such as 2.8, 2.6, 2.4, 2.2, 2, 1.8, 1.6, 1.4, 1.2, 1.0, 0.8, 0.6, 0.4, 0.2, etc.
  • the thickness ratio of the clothing surface to the skin surface is ⁇ 0.8, such as 0.8, 0.6, 0.4, 0.2, etc.
  • the equivalent capillary number of the first yarn Y1 ⁇ the equivalent capillary number of the second yarn Y2.
  • the number ratio of the equivalent capillary numbers of the first yarn Y1 and the second yarn Y2 is >2, such as 4, 6, 8, 9, 10, etc.
  • the garment surface is woven from the first yarn Y1, and the unit area coverage of the first yarn Y1 on the garment surface is 43%-53%, such as 45%, 46%, 48%, 50% , 51%, etc., and 50% is further preferred.
  • the first yarn Y1 includes any of polyester, nylon, other synthetic fibers added with a component that absorbs radiant energy and converts it into thermal energy, or fibers with a function of absorbing radiant energy and converting it into thermal energy after post-finishing treatment.
  • One or at least two combinations, of which typical but non-limiting combinations include: a combination of polyester and nylon added with components that absorb radiation energy and converted into thermal energy; nylon, other synthetic fibers and post-finishing treatments added with components that absorb radiation
  • a combination of functional fibers that convert energy into thermal energy include: a combination of polyester and nylon added with components that absorb radiation energy and converted into thermal energy; nylon, other synthetic fibers and post-finishing treatments added with components that absorb radiation.
  • the second yarn Y2 includes any one or a combination of at least two of polyester fiber, natural fiber, regenerated cellulose fiber or polypropylene, where typical but non-limiting combinations include: polypropylene and polyester. Combinations of fibers, combinations of polyester fibers, natural fibers and regenerated cellulose fibers, etc.
  • the garment surface and/or the skin-adjacent surface further includes a spandex elastic yarn.
  • the spandex elastic yarn helps shrink the fabric and reduce the gaps between the yarns to provide radiant energy interception power.
  • the mass percentage of the spandex elastic yarn is >5%, such as 10%, 15%, 20%, 25%, 30%, 35%, 40%, etc.
  • the first yarn Y1 is a yarn with light-absorbing and heat-generating properties
  • the second yarn Y2 is a water-repellent finished yarn with non-light-absorbing and heat-generating properties.
  • an intermediate layer composed of a third yarn Y3 is also included between the garment surface and the skin-adjacent surface.
  • the intermediate layer can be set according to actual needs.
  • the first yarn Y1 is a water-absorbing and heat-generating functional yarn with hydrophobic characteristics.
  • the water conductivity LP3 of the third yarn Y3 the water conductivity LP2 of the second yarn Y2 ⁇ 2.0, such as 2.2, 2.5, 2.8, 3, 3.2, etc.
  • the third yarn includes any one or a combination of at least two of hydrophilic synthetic fibers, cellulose fibers or protein fibers, where typical but non-limiting combinations include: hydrophilic synthetic fibers and cellulose Combination of fibers, combination of cellulose fiber and protein fiber, combination of hydrophilic synthetic fiber, cellulose fiber and protein fiber, etc.
  • the first yarn Y1 is a water-repellent finished yarn with light-absorbing and heat-generating functions
  • the second yarn Y2 is a hydrophobic yarn or a hydrophilic yarn.
  • an intermediate layer composed of a third yarn Y3 is further included between the garment surface and the skin-adjacent surface, and the third yarn Y3 is a hydrophobic yarn or a hydrophilic yarn.
  • the water conductivity LP3 of the third yarn Y3 the water conductivity LP2 of the second yarn Y2 ⁇ 2.0, such as 2.2, 2.5, 2.8, 3, 3.2, etc.
  • the outer surface of the garment surface is further provided with a water-repellent layer.
  • the clothing surface and/or skin-adjacent surface are raised.
  • the skin-friendly surface is fleeced to increase warmth, making it comfortable and soft to wear while being light and non-compressive.
  • the skin-facing surface of the knitted fabric is raised to form a warm layer, which reduces the probability of contact between the yarn and the skin, increases the thickness of the fabric to facilitate differential transmission of liquid water, and improves the softness and comfort of the hand.
  • the knitted fabric of the present invention is prepared by the following method, which method includes the following steps:
  • the knitted fabric of the present invention has a heat-insulating and sun-proof function, which effectively reduces the transmission of infrared energy to the skin-fitting surface layer and lowers the temperature of the skin-fitting surface, thereby realizing the heat-insulating and sun-proofing function of the knitted fabric.
  • Compared with Fabrics made from ordinary yarns with the same structure and specifications have a low temperature inside the fabric and can keep the skin dry and dry quickly.
  • the knitted fabric of the present invention is thin, soft and has differential moisture conductivity. The knitted fabric can meet people's needs for wearing comfort, functionality and practicality, and has a wide range of applications.
  • the one-way moisture conductivity of the knitted fabric of the present invention is more than 200%, the maximum temperature difference between the clothing surface and the skin surface is more than 0.50°C, and the average temperature difference is more than 0.90°C.
  • Figure 1 is a schematic structural diagram of the knitted fabric described in Embodiment 2;
  • Figure 2 is a schematic diagram of heat insulation and sun protection of knitted fabrics according to the present invention.
  • Figure 3 is a graph showing the temperature rise curve of the garment surface in the knitted fabric described in Example 1 and Comparative Example 1 under the GB/T 18319-2019 standard;
  • Figure 4 is a graph of the temperature rise curve of the skin-to-skin surface of the knitted fabric described in Example 1 and Comparative Example 1 under the GB/T 18319-2019 standard;
  • 1-skin surface 2-clothing surface.
  • the knitted fabrics are selected with the same structure, the same color (black), and the same weight (210g/m 2 ) for the following tests:
  • the knitted fabric includes a garment surface and a skin-adhering surface that are stacked in sequence.
  • the thickness ratio of the two is 1.5:1;
  • the first yarn Y1 is made of polyester yarn (IR yarn) with 75D/72F light-absorbing and heating function
  • the second yarn Y2 is made of 50D/36F ordinary polyester yarn (polyester yarn with non-light-absorbing and heating function);
  • the ratio of the number of capillaries of the first yarn Y1 to the number of capillaries of the second yarn Y2 is ⁇ 2
  • the water conductivity LP1 of the first yarn Y1 and the water conductivity LP2 of the second yarn Y2 is ⁇ 2.
  • Garment surface woven from the first yarn Y1, the unit area coverage of the first yarn on the garment surface is 32%;
  • the knitted fabric is prepared by the following method, and the preparation method includes the following steps:
  • the production process used for the fabric body is: yarn ⁇ gray fabric weaving ⁇ high temperature predetermination ⁇ overflow dyeing ⁇ shaping: select the above yarns described in Example 1 to weave the gray fabric to form a garment surface woven from the first yarn Y1.
  • the fabric gray fabric next to the skin is woven from the second yarn Y2 (at this time, the unit area coverage of the first yarn on the garment surface is 32%);
  • the gray fabric after the above shaping is dropped into the dyeing vat; the gray cloth is dyed and drained after the dyeing is completed; the dyed fabric is later shaped and finished.
  • the one way moisture conductivity OWTC one way transport capability of the knitted fabric is 281%; the air permeability test result is 92.4cfm. This knitted fabric has good air permeability.
  • Example 1 The difference between this comparative example and Example 1 is that the first yarn Y1 is replaced with 75D/72F ordinary polyester yarn, which does not have the function of absorbing light and generating heat. The rest is the same as Example 1.
  • Example 1 and Comparative Example 1 (clothing facing light): maximum temperature rise difference: 0.58°C; average temperature rise difference: 0.6°C;
  • Example 1 and Comparative Example 1 skin-to-skin surface facing light: maximum temperature rise difference: 1.05°C; average temperature rise difference: 0.91°C.
  • This embodiment provides a knitted fabric, the structural schematic diagram of which is shown in Figure 1.
  • the knitted fabric has a double-layer structure, including a garment surface 2 and a skin surface 1 that are stacked in sequence.
  • the thickness ratio of the two is 1.5:1. ;
  • the first yarn Y1 is made of polyester yarn (IR yarn) with 100D/96F light-absorbing and heating function
  • the second yarn Y2 is made of 40D/24F ordinary polyester yarn (polyester yarn with non-light-absorbing and heating function);
  • the ratio of the number of capillaries of the first yarn Y1 to the number of capillaries of the second yarn Y2 is ⁇ 2, and the water conductivity LP1 of the first yarn Y1 and the water conductivity LP2 of the second yarn Y2 Ratio ⁇ 2;
  • Garment surface woven from the first yarn Y1, the unit area coverage of the first yarn on the garment surface is 50%;
  • the preparation method of the knitted fabric is the same as in Example 1.
  • the one-way moisture conductivity OWTC of the knitted fabric is 296%.
  • Example 2 The difference between this comparative example and Example 2 is that the first yarn is replaced with 100D/96F ordinary polyester yarn, which does not have the function of absorbing light and generating heat. The rest is the same as Example 1.
  • Example 2 and Comparative Example 2 (clothing facing light): maximum temperature rise difference: 1.19°C; average temperature rise difference: 1.06°C;
  • Example 2 and Comparative Example 2 skin-to-skin surface exposed to light: maximum temperature rise difference: 0.62°C; average temperature rise difference: 0.54°C;
  • the schematic diagram of the heat insulation and sun protection function of the knitted fabric of the present invention is shown in Figure 2. From the above results, it can be seen that under the same lighting conditions, the clothing surface formed by the first yarn Y1 in Embodiment 2 of the present invention is During infrared radiation, it can absorb far-infrared light and convert the radiated energy into heat energy, causing the surface layer of the garment to heat up while dissipating part of the heat to the environment again, thereby significantly reducing the infrared energy flowing to the middle layer and the skin surface. The transfer of layers reduces the temperature of the skin-adjacent surface, thereby realizing the heat insulation and sun protection function of the knitted fabric. Compared with fabrics made of ordinary yarns of the same structure and specifications, the temperature on the inside of the fabric is lower, and the skin can be kept dry and quick-drying.
  • Embodiment 1 The difference between this embodiment and Embodiment 1 is that the skin-adhering surface is raised, and the rest are the same as Embodiment 1.
  • the one-way moisture conductivity of the knitted fabric described in this example is 312%.
  • the one-way moisture conductivity OWTC of the knitted fabric described in this comparative example is 279%.
  • the fabric is made light, thin and soft, and the one-way moisture conduction ability of the fabric is greatly improved, and the fabric body can be maintained close to the fabric for a long time. Leaves skin dry and comfortable.
  • This embodiment provides a knitted fabric, which includes a garment surface and a skin-adhering surface that are stacked in sequence, and the thickness ratio of the two is 0.7:1;
  • the first yarn Y1 is made of polyester yarn (IR yarn) with 50D/48F light-absorbing and heating function
  • the second yarn Y2 is made of 70D/68F ordinary polyester yarn (polyester yarn with non-light-absorbing and heating function);
  • the ratio of the number of capillaries of the first yarn Y1 to the number of capillaries of the second yarn Y2 is ⁇ 2, and the water conductivity LP1 of the first yarn Y1 and the water conductivity LP2 of the second yarn Y2 Ratio>2;
  • Garment surface woven from the first yarn, the unit area coverage of the first yarn on the garment surface is 43%;
  • Skin side Woven from the second yarn.
  • the preparation method of the knitted fabric is the same as in Example 1.
  • the one-way moisture conductivity of the knitted fabric described in this embodiment is 290%.
  • Example 4 The difference between this comparative example and Example 4 is that the first yarn is replaced with 50D/48F ordinary polyester yarn, which does not have the function of absorbing light and generating heat. The rest are the same as Example 1.
  • the one-way moisture conductivity OWTC of the knitted fabric described in this comparative example is 261%.
  • Example 4 The temperature rise of the fabric obtained in Example 4 and Comparative Example 4 was measured with reference to the experimental conditions and steps of Example 1 and Comparative Example 1.
  • the temperature rise difference is 0.65°C.
  • Comparative Example 4 has a maximum temperature rise difference of 0.18°C against light (between the clothing surface and the skin surface). Under the same lighting conditions of the fabric, the temperature rise of the sample of Example 4 is higher than that of the Comparative Example. 4 samples have better performance.
  • the one-way moisture conductivity of the knitted fabric of the present invention is more than 200%, the maximum temperature difference between the clothing surface and the skin surface is more than 0.50°C, and the average temperature difference is more than 0.90°C; the knitted fabric of the present invention has insulation properties.
  • Thermal sun protection function effectively reduces the transmission of infrared energy to the skin-adjacent surface and lowers the temperature of the skin-adherent surface, thereby realizing the heat insulation and sun protection function of the knitted fabric.
  • the knitted fabric of the present invention is thin, soft and has differential moisture conductivity.
  • the knitted fabric can meet people's needs for comfort, functionality and practicality, has a wide range of applications, and has good market prospects and economic and social benefits.
  • the present invention illustrates the detailed methods of the present invention through the above embodiments, but the present invention is not limited to the above detailed methods, that is, it does not mean that the present invention must rely on the above detailed methods to be implemented.
  • Those skilled in the art should understand that any improvements to the present invention, equivalent replacement of raw materials of the product of the present invention, addition of auxiliary ingredients, selection of specific methods, etc., all fall within the protection scope and disclosure scope of the present invention.

Abstract

一种具有隔热抗晒功能的针织面料，具有隔热抗晒功能的针织面料包括至少两层结构，具有隔热抗晒功能的针织面料至少包括服装面（2）和贴肤面（1）；服装面（2）包括至少一条第一纱线Y1，第一纱线Y1包括吸光发热纱线，第一纱线Y1在服装面（2）的覆盖率为30％-80％；贴肤面（1）包括至少一条第二纱线Y2，第二纱线Y2包括非吸光发热纱线；其中，第一纱线Y1的导水能力LP1：第二纱线Y2的导水能力LP2≥2。具有隔热抗晒功能的针织面料兼具优异隔热防晒、透气性、快干性和单向导湿性，穿着舒适，综合性能优异，生产成本低，应用范围广。

Description

一种具有隔热抗晒功能的针织面料 技术领域
本发明涉及纺织面料技术领域，尤其涉及一种具有隔热抗晒功能的针织面料，尤其涉及一种具有隔热抗晒功能的差别化导湿针织面料。
 背景技术
随着人们生活水平的不断提高，越来越多地开始追求生活的质量，而穿着尤其被人们所看重。现代服装已经不再只是遮衣蔽体、驱寒保暖的工具，而是对自身的气质品位以及生活态度而选择的一种体现。人们对服装的要求也已经逐渐从最开始的追求保暖向注重舒适、功能性方向发展。
人们对于夏季服装一般会有以下几点要求：1、透气性好，轻快透气；2、吸湿性要好，夏季天气炎热，容易出汗，吸汗能力非常重要；3、尤其是在夏天，太阳的照射比较强时，防晒很有必要，具有一定的防晒功能。
目前，行业内生产防晒面料的方法主要有三种：1）生产中添加整理剂以实现防晒功能，比如抗紫外线整理剂；2）设置多层面料，增加面料厚度，在面料中构造一层空气层减慢外在空气的热传递；3）增加面料表面对光线的反射和散射作用。
CN113863005A公开了一种适用于夏季户外抗紫外线面料，其公开的面料由以下重量份数配比的材料制成：棉纤维70-80份、竹炭纤维20-30份、纳米银5-7份、聚乙二醇3-5份、玻璃纤维1-3份、电气石粉3-5份、二甲基硅油1-3份、钛白粉2-4份、陶瓷粉末2-3份、丝素蛋白6-8份、驱蚊液10-15份和去离子水68-70份；所述驱蚊液由薄荷3-5份、香茅1-3份、丁香1-3份、柑皮2-4份和乙醇6-8份制成；该面料柔软舒适、亲肤性良好，穿着舒适，抗紫外线性强，可实现长效防晒，具有优良的吸湿性和抑菌性，还具有一定的防蚊驱虫效果，采用该面料制成的服装特别适合夏季户外活动。但是所述面料随着穿着实用的时间增加，防晒效果会渐渐减弱，面料感偏硬及干涩，影响了穿着时的柔软感与舒适性。
CN214727027U公开了一种防紫外线的纺织面料，其公开的防紫外线的纺织面料，包括面料本体，所述面料本体的内部设置有防护层，所述防护层的内部设置有防紫外线层，所述防紫外线层的内部设置有隔热层。其公开的防紫外线的纺织面料，通过设置的防紫外线层，能够有效的对紫外线进行阻挡，进而对皮肤进行保护，并且通过设置的隔热层，将产生的热量阻隔在纺织面料的表面，无法与皮肤接触，避免造成皮肤的灼伤，通过设置的透气层，能够加速人体产生热量的流动，然后将产生的汗液通过亲肤层中的竹纤维进行吸附，并且开设的锁水孔，将汗液吸附在吸汗海绵上，从而达到锁水的效果，提高穿着的舒适度，保持皮肤干燥。但是所述面料本体较为厚重使得穿着时有压迫感，透气性欠缺，不适合闷热的夏天。
综合上述，现有技术的面料通过后整理、结构设计等技术来可以实现防晒功能。但以上方法的防晒布料大多仅仅通过增加面料厚度和空气层；或使面料表面对光线的反射和散射作用提升布料的防晒性能，光线在布料表面发生反射会导致晃眼，同时由于防晒面料厚度、密度大，通常会使大量热量保留在织物内，面料的隔热、透气性差。还存在着适合面料范围窄、生产加工成本高、防晒效果、透气性不理想等缺点，而且对被加工的面料单向导湿效果的影响较大。现有的纺织面料已难以满足人们对夏季服装的日常需求。
因此，开发一种兼具优异隔热防晒、透气性和单向导湿性的针织面料至关重要。
 技术问题
针对现有技术的不足，本发明的目的在于提供一种具有隔热抗晒功能的针织面料，所述具有隔热抗晒功能的针织面料兼具优异隔热防晒、透气性、快干性和单向导湿性，减少到达皮肤的热量，穿着舒适，综合性能优异，生产成本低，应用范围广。
 技术解决方案
本发明提供一种具有隔热抗晒功能的针织面料，所述具有隔热抗晒功能的针织面料包括至少两层结构（例如三层、四层等），所述具有隔热抗晒功能的针织面料至少包括服装面和贴肤面；
所述服装面包括至少一条（例如2条、3条、4条、6条等）第一纱线Y1，所述第一纱线Y1包括吸光发热纱线，所述第一纱线Y1在服装面的覆盖率为30%-80%（例如35%、40%、45%、50%、55%、60%、65%、70%、75%等）；
所述贴肤面包括至少一条（例如2条、3条、4条、6条等）第二纱线Y2，所述第二纱线Y2包括非吸光发热纱线；
其中，第一纱线Y1的导水能力LP1：第二纱线Y2的导水能力LP2≥2，例如2.1、2.5、2.8、3.2等；
本发明中，将辐射能量转化成热能，使得服装面层进行升温的同时将部分热量再次散发至环境中，以此显著地减少了红外能量向贴肤面的传递，降低了贴肤面的温度；因此，仅需两层结构即可实现优异的隔热抗晒效果，而且使所述针织面料具备优异的透气性、快干性和单向导湿性，减少到达皮肤的热量，穿着舒适，综合性能优异，生产成本低，应用范围广。
本发明通过控制服装面和贴肤面的厚度的比例以达到隔热抗晒最佳效果。
优选地，所述服装面与贴肤面的厚度比≤3.0，例如2.8、2.6、2.4、2.2、2、1.8、1.6、1.4、1.2、1.0、0.8、0.6、0.4、0.2等。
优选地，所述服装面与贴肤面的厚度比≤0.8，例如0.8、0.6、0.4、0.2等。
优选地，所述第一纱线Y1的当量毛细管数量≥第二纱线Y2的当量毛细管数量。
优选地，所述第一纱线Y1和第二纱线Y2的当量毛细管数量的数量比＞2，例如4、6、8、9、10等。
优选地，所述服装面由第一纱线Y1编织形成，所述第一纱线Y1在服装面的单位面积覆盖率为43%-53%，例如45%、46%、48%、50%、51%等，进一步优选50%。
本发明中，所述第一纱线Y1包括添加有吸收辐射能量并转化成热能成份的涤纶、尼龙、其它合成纤维或经过后整理处理添加有吸收辐射能量并转化成热能功能的纤维中的任意一种或至少两种的组合，其中典型但非限制性的组合包括：添加有吸收辐射能量并转化成热能成份的涤纶和尼龙的组合，尼龙、其它合成纤维和经过后整理处理添加有吸收辐射能量并转化成热能功能的纤维的组合等。
优选地，所述第二纱线Y2包括聚酯纤维、天然纤维、再生纤维素纤维或丙纶中的任意一种或至少两种的组合，其中典型但非限制性的组合包括：丙纶和聚酯纤维的组合，聚酯纤维、天然纤维和再生纤维素纤维的组合等。
优选地，所述服装面和/或贴肤面中还包括一条氨纶弹性纱线，所述氨纶弹性纱线助于收缩面料减小纱线间空隙提供辐射能拦截功率。
优选地，在所述针织面料中，所述氨纶弹性纱线的质量百分数＞5%，例如10%、15%、20%、25%、30%、35%、40%等。
优选地，所述第一纱线Y1为吸光发热功能的纱线，所述第二纱线Y2为防泼水整理的非吸光发热特性的纱线。
优选地，所述服装面和贴肤面之间还包括由第三纱线Y3构成的中间层。
本发明中，中间层可根据实际需要进行设置。
优选地，所述第一纱线Y1为具备疏水特性的吸水发热功能纱线。
优选地，所述第三纱线Y3的导水能力LP3：第二纱线Y2的导水能力LP2≥2.0，例如2.2、2.5、2.8、3、3.2等。
优选地，所述第三纱线包括亲水合成纤维、纤维素纤维或蛋白纤维中的任意一种或至少两种的组合，其中典型但非限制性的组合包括：亲水合成纤维和纤维素纤维的组合，纤维素纤维和蛋白纤维的组合，亲水合成纤维、纤维素纤维和蛋白纤维的组合等。
优选地，所述第一纱线Y1为防泼水整理的吸光发热功能的纱线，所述第二纱线Y2为疏水纱或亲水纱。
优选地，所述服装面和贴肤面之间还包括由第三纱线Y3构成的中间层，所述第三纱线Y3为疏水纱或亲水纱。
优选地，所述第三纱线Y3的导水能力LP3：第二纱线Y2的导水能力LP2≥2.0，例如2.2、2.5、2.8、3、3.2等。
优选地，所述服装面的外表面还设置有防泼水层。
优选地，所述服装面和/或贴肤面经起绒处理。
贴肤面进行起绒处理增加保暖性，穿着舒适柔软的同时轻薄而无压迫感。所述针织面料贴肤面进行起绒处理形成保暖层，减少了纱线与皮肤接触的概率，增大了织物厚度以利于液态水的差别化传递，提升了手感的柔软舒适性。
示例性地，本发明所述针织面料由如下方法制备，所述方法包括如下步骤：
纱线→坯布织造→高温预定→溢流染色→定型。
 有益效果
（1）本发明所述针织面料具有隔热防晒功能，有效减少了红外能量向贴肤面层的传递，降低了贴肤面的温度，从而实现该针织面料的隔热抗晒功能，相比同结构同规格普通纱线所制面料其面料内侧温度低，并能保持皮肤干爽及快干。同时本发明所述针织面料具有轻薄、柔软及差别化导湿能力。所述针织面料可满足人们对穿着的舒适性、功能性、实用性的需求，适用范围广。
（2）本发明所述针织面料的单向导湿能力在200%以上，服装面和贴肤面的最大温差在0.50℃以上，平均温差在0.90℃以上。
 附图说明
图1是实施例2所述针织面料的结构示意图；
图2是本发明所述针织面料的隔热防晒原理图；
图3是实施例1和对比例1所述针织面料中服装面对光在GB/T 18319-2019标准下升温曲线图；
图4是实施例1和对比例1所述针织面料中贴肤面对光在GB/T 18319-2019标准下升温曲线图；
其中，1-贴肤面；2-服装面。
 本发明的最佳实施方式
为便于理解本发明，本发明列举实施例如下。本领域技术人员应该明了，所述实施例仅仅是帮助理解本发明，不应视为对本发明的具体限制。
本发明具体实施方式中，将所述针织面料选用同一结构、同一颜色（ 黑色）、同一克重（210g/m 2）进行如下测试：
（1）单向导湿能力：按照标准AATCC 195“Liquid Moisture Management Properties of Textile Fabrics纺织品的液体水分管理性能”进行测量。
（2）透气性：按纺织品透气测试标准ASTM D737进行了测量。
（3）光蓄热性能：按照标准GB/T 18319-2019进行隔热性能测试，光源：氙弧灯400W/m 2，仪器：SGJ216A纺织品光蓄热试验仪。
实施例1
本实施例提供一种针织面料，所述针织面料包括依次层叠设置的服装面、和贴肤面，二者的厚度比为1.5：1；
选用纱线的信息：第一纱线Y1采用具有75D/72F吸光发热功能的涤纶纱（IR纱线），第二纱线Y2采用50D/36F普通涤纶纱（非吸光发热功能的涤纶纱）；
此时，第一纱线Y1的毛细管数量与所述第二纱线Y2的毛细管数量之比≥2，第一纱线Y1的导水能力LP1与所述第二纱线Y2的导水能力LP2之比≥2。
服装面：由第一纱线Y1织造而成，所述第一纱线在服装面的单位面积覆盖率为32%；
贴肤面：由第二纱线Y2织造而成；
所述针织面料由如下方法制备，所述制备方法包括如下步骤：
面料本体采用的生产工艺为：纱线→坯布织造→高温预定→溢流染色→定型：选择实施例1所述的以上纱线编织坯布，形成由第一纱线Y1织造而成的服装面、由第二纱线Y2织造而成的贴肤面的面料坯布（此时，第一纱线在服装面的单位面积覆盖率为32%）；
将以上定型后的坯布落入染缸中；针对坯布进行染色，并于染色结束后排水；对染色后的面料进行后期定型整理。
本实施例中，所述针织面料的单向导湿能力OWTC（one way transport capability）为281%；透气性测试结果为92.4cfm，本针织面料具有良好的透气性。
对比例1
本对比例与实施例1的区别在于将所述第一纱线Y1替换为75D/72F普通涤纶纱，不具备吸光发热功能，其余均与实施例1相同。
实施例1和对比例1所述针织面料的防晒隔热性能如表1所示。
表1
从以上测量数据可知道：
实施例1与对比例1（服装面对光）：最大温升差：0.58℃；平均温升差： 0.6℃；
实施例1与对比例1（贴肤面对光）：最大温升差：1.05℃;平均温升差：0.91℃。
由上述结果可知，面料在同样的光照条件下，本发明的实施例1所述针织面料第一纱线Y1所形成的服装面被红外辐射时能吸收远红外光，并将辐射能量转化成热能，使得服装面层进行升温的同时将部分热量再次散发至环境中，以此显著地减少了红外能量向贴肤面层的传递，降低了贴肤面的温度，从而实现该针织面料的隔热抗晒功能相比同结构同规格普通纱线所制面料其面料内侧温度低，并能保持皮肤干爽及快干。进一步分析图3和图4，也可证明本发明所述针织面料具有更好的隔热防晒功能。
实施例2
本实施例提供一种针织面料，其结构示意图如图1所示，所述针织面料为双层结构，包括依次层叠设置的服装面2和贴肤面1，二者的厚度比为1.5：1；
选用纱线的信息：第一纱线Y1采用具有100D/96F吸光发热功能的涤纶纱（IR纱线），第二纱线Y2采用40D/24F普通涤纶纱（非吸光发热功能的涤纶纱）；
此时，第一纱线Y1的毛细管数量与所述第二纱线Y2的毛细管数量之比≥2，第一纱线Y1的导水能力LP1与所述第二纱线Y2的导水能力LP2之比≥2；
服装面：由第一纱线织Y1造而成，所述第一纱线在服装面的单位面积覆盖率为50%；
贴肤面：由第二纱线Y2织造而成。
所述针织面料的制备方法与实施例1相同。
在本实施例中，所述针织面料的单向导湿能力OWTC为296%。
对比例2
本对比例与实施例2的区别在于将所述第一纱线替换为100D/96F普通涤纶纱，不具备吸光发热功能，其余均与实施例1相同。
实施例2和对比例2述针织面料的防晒隔热性能如表2所示。
表2
从以上测量数据可知道：
实施例2与对比例2（服装面对光）：最大温升差：1.19℃；平均温升差：1.06℃；
实施例2与对比例2（贴肤面对光）：最大温升差：0.62℃；平均温升差：0.54℃；
本发明所述针织面料发挥隔热防晒功能的原理图如图2所示，由上述结果可知，面料在同样的光照条件下，本发明的实施例2第一纱线Y1所形成的服装面被红外辐射时能吸收远红外光，并将辐射能量转化成热能，使得服装面层进行升温的同时将部分热量再次散发至环境中，以此显著地减少了红外能量依次向中间层及贴肤面层的传递，降低了贴肤面的温度，从而实现该针织面料的隔热抗晒功能相比同结构同规格普通纱线所制面料其面料内侧温度低，并能保持皮肤干爽及快干。
实施例3
本实施例与实施例1的区别在于将贴肤面进行起绒处理，其余均与实施例1相同。
本实施例所述针织面料的单向导湿能力为312%。
对比例3
本对比例与对比例1的区别在于将所述贴肤面进行起绒处理，其余均与实施例1相同。
本对比例所述针织面料的单向导湿能力OWTC为279%。
根据测试结果对比可知，通过对面料的结构和纱支的改性，并加起绒处理，使面料轻薄、柔软，且大大提高了面料的单向导湿能力，能够长期保持所述面料本体的贴肤面的干爽舒适。
实施例4
本实施例提供一种针织面料，所述针织面料包括依次层叠设置的服装面和贴肤面，二者的厚度比为0.7：1；
选用纱线的信息：第一纱线Y1采用具有50D/48F吸光发热功能的涤纶纱（IR纱线），第二纱线Y2采用70D/68F普通涤纶纱（非吸光发热功能的涤纶纱）；
此时，第一纱线Y1的毛细管数量与所述第二纱线Y2的毛细管数量之比≥2，第一纱线Y1的导水能力LP1与所述第二纱线Y2的导水能力LP2之比＞2；
服装面：由第一纱线织造而成，所述第一纱线在服装面的单位面积覆盖率为43%；
贴肤面：由第二纱线织造而成。
所述针织面料的制备方法与实施例1相同。
本实施例所述针织面料的单向导湿能力为290%。
对比例4
本对比例与实施例4的区别在于将所述第一纱线替换为50D/48F普通涤纶纱，不具备吸光发热功能，其余均与实施例1相同。
本对比例所述针织面料的单向导湿能力OWTC为261%。
对以上所述由实施例4及对比例4所得面料参考实施例1及对比例1的实验条件和步骤分别测其温升，实施例4对光（服装面与贴肤面之间）：最大温升差在0.65℃，对比例4对光（服装面与贴肤面之间）：最大温升差在0.18℃；面料在同样的光照条件下，实施例4样品在温升相对于对比例4样品性能更佳。
综上所述，本发明所述针织面料的单向导湿能力在200%以上，服装面和贴肤面的最大温差在0.50℃以上，平均温差在0.90℃以上；本发明所述针织面料具有隔热防晒功能，有效减少了红外能量向贴肤面层的传递，降低了贴肤面的温度，从而实现该针织面料的隔热抗晒功能，相比同结构同规格普通纱线所制面料其面料内侧温度低，并能保持皮肤干爽及快干。同时本发明所述针织面料具有轻薄、柔软及差别化导湿能力。所述针织面料可满足人们对穿着的舒适性、功能性、实用性的需求，适用范围广，具有良好的市场前景及经济、社会效益。
申请人声明，本发明通过上述实施例来说明本发明的详细方法，但本发明并不局限于上述详细方法，即不意味着本发明必须依赖上述详细方法才能实施。所属技术领域的技术人员应该明了，对本发明的任何改进，对本发明产品各原料的等效替换及辅助成分的添加、具体方式的选择等，均落在本发明的保护范围和公开范围之内。

Claims (10)

  1. 一种具有隔热抗晒功能的针织面料，其特征在于，所述具有隔热抗晒功能的针织面料包括至少两层结构，所述具有隔热抗晒功能的针织面料至少包括服装面和贴肤面；
    所述服装面包括至少一条第一纱线Y1，所述第一纱线Y1包括吸光发热纱线，所述第一纱线Y1在服装面的覆盖率为30%-80%；
    所述贴肤面包括至少一条第二纱线Y2，所述第二纱线Y2包括非吸光发热纱线；
    其中，第一纱线Y1的导水能力LP1：第二纱线Y2的导水能力LP2≥2。
  2. 根据权利要求1所述的具有隔热抗晒功能的针织面料，其特征在于，所述服装面与贴肤面的厚度比≤3.0，进一步优选所述服装面与贴肤面的厚度比≤0.8；
    优选地，所述第一纱线Y1的当量毛细管数量≥第二纱线Y2的当量毛细管数量；
    优选地，所述第一纱线Y1和第二纱线Y2的当量毛细管数量的数量比＞2。
  3. 根据权利要求2所述的具有隔热抗晒功能的针织面料，其特征在于，所述服装面由第一纱线Y1编织形成，所述第一纱线Y1在服装面的单位面积覆盖率为43%-53%。
  4. 根据权利要求3所述的具有隔热抗晒功能的针织面料，其特征在于，所述第一纱线包括添加有吸收辐射能量并转化成热能成份的涤纶、尼龙、其它合成纤维或经过后整理处理添加有吸收辐射能量并转化成热能功能的纤维中的任意一种或至少两种的组合；
    所述第二纱线Y2包括聚酯纤维、天然纤维、再生纤维素纤维或丙纶中的任意一种或至少两种的组合。
  5. 根据权利要求4所述的具有隔热抗晒功能的针织面料，其特征在于，所述服装面和/或贴肤面中还包括一条氨纶弹性纱线；
    优选地，在所述针织面料中，所述氨纶弹性纱线的质量百分数＞5%。
  6. 根据权利要求1所述的具有隔热抗晒功能的针织面料，其特征在于，所述第一纱线Y1为吸光发热功能的纱线，所述第二纱线Y2为防泼水整理的非吸光发热特性的纱线。
  7. 根据权利要求6所述的具有隔热抗晒功能的针织面料，其特征在于，所述服装面和贴肤面之间还包括由第三纱线Y3构成的中间层；
    优选地，所述第一纱线Y1为具备疏水特性的吸光发热功能纱线；
    优选地，所述第三纱线Y3的导水能力LP3：第二纱线Y2的导水能力LP2≥2.0；
    优选地，所述第三纱线Y3包括亲水合成纤维、纤维素纤维或蛋白纤维中的任意一种或至少两种的组合。
  8. 根据权利要求7所述的具有隔热抗晒功能的针织面料，其特征在于，所述第一纱线Y1为防泼水整理的吸光发热功能的纱线，所述第二纱线Y2为疏水纱或亲水纱；
    优选地，所述服装面和贴肤面之间还包括由第三纱线Y3构成的中间层，所述第三纱线Y3为疏水纱或亲水纱；
    优选地，所述第三纱线Y3的导水能力LP3：第二纱线Y2的导水能力LP2≥2.0。
  9. 根据权利要求8所述的具有隔热抗晒功能的针织面料，其特征在于，所述服装面的外表面还设置有防泼水层。
  10. 根据权利要求9所述的具有隔热抗晒功能的针织面料，其特征在于，所述服装面和/或贴肤面经起绒处理。
PCT/CN2022/103805 2022-05-07 2022-07-05 一种具有隔热抗晒功能的针织面料 WO2023216405A1 (zh)

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JP2013249560A (ja) * 2012-06-01 2013-12-12 Daiwabo Holdings Co Ltd 編地及びこれを用いた繊維製品
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