阅读说明：本技术 一种具有防水透气功能的复合面料 (Composite fabric with waterproof and breathable functions ) 是由 王兵 于 2020-08-28 设计创作，主要内容包括：本发明公开了一种具有防水透气功能的复合面料,第一层面料的第一经线为50D/48F涤纶低弹网络丝,以并以150D/288F涤纶低弹网络丝作为第一纬线,经纬密度为100×67～140×95根/英寸。本发明,通过采用市面上常规的原料,合理设计经纬密度,使的面料具有柔软、透气的功能,且纬向丹尼尔是经向丹尼尔的3倍,使得布面纬向条干清晰,也即面料表面呈现凹凸感,大大增加了面料的透气性,且面料软儿不塌,有很强的垂挺感,穿着身上挺而不皱,具有很好的防水防污的功能,第二层面料以75D/36F机械弹力丝作为经线和纬线,经纬密度较高,提高了织物的渗水压力,具有良好的防水效果。(The invention discloses a composite fabric with waterproof and breathable functions, wherein first warp threads of a first layer of fabric are 50D/48F polyester low-elasticity interlaced yarns, 150D/288F polyester low-elasticity interlaced yarns are used as first weft threads, and the warp and weft density is 100 multiplied by 67-140 multiplied by 95 per inch. According to the invention, the conventional raw materials on the market are adopted, the warp and weft densities are reasonably designed, so that the fabric has the functions of softness and ventilation, and the weft denier is 3 times of the warp denier, so that the weft strips of the fabric are clear, namely the surface of the fabric presents the concave-convex feeling, the ventilation property of the fabric is greatly increased, the fabric is soft and does not collapse, has very strong vertical feeling, is stiff without wrinkle when being worn, and has good waterproof and antifouling functions, the second layer of the fabric takes 75D/36F mechanical stretch yarns as the warps and the wefts, the warp and weft densities are high, the water seepage pressure of the fabric is improved, and the waterproof effect is good.)

1. The utility model provides a composite fabric with waterproof ventilative function, characterized in that, composite fabric is the fabric construction that three-layer surface fabric heat seal was constituteed, and the fabric construction of first layer surface fabric uses 50D 48F dacron low elastic network silk as first warp, uses 150D 288F dacron low elastic network silk as first weft, and its warp and weft density is 100 x 67 ~ 140 x 95 pieces/inch, and the fabric construction of second layer surface fabric uses 75D 36F mechanical stretch yarn as first warp and second weft warp and weft density is 110 x 83 ~ 170 x 105 pieces/inch, first layer surface fabric with the weaving structure of second layer surface fabric is plain weave structure, first layer surface fabric with be provided with one deck PU membrane between the second layer surface fabric.

2. The composite fabric with waterproof and breathable functions as claimed in claim 1, wherein the first fabric layer is a fabric structure subjected to plasma treatment.

3. The composite fabric with waterproof and breathable functions as claimed in claim 1, wherein the fabric structure of the first layer of fabric has a grammage of 85 ± 5 g/square meter.

4. The composite fabric with waterproof and breathable functions as claimed in claim 1, wherein the first warp and the first weft are modified polyester low-stretch interlaced yarns prepared by a POY-DTY circular blowing cooling process.

5. The composite fabric with waterproof and breathable functions as claimed in claim 1, wherein the first fabric layer and the second fabric layer are fabric structures subjected to waterproof treatment and single-side calendering treatment.

6. The waterproof and breathable composite fabric according to claim 1, wherein the second warp and the second weft are mechanical stretch yarns which are not subjected to a heating treatment during a POY yarn drawing process.

7. The composite fabric with the waterproof and breathable functions as claimed in claim 1, wherein the fabric structure of the second layer of fabric is woven by a water jet loom from Japan jin foal 8100, and a 30-model nozzle is adopted as a nozzle of the water jet loom.

Technical Field

The invention relates to the technical field of textiles, in particular to a composite fabric with waterproof and breathable functions.

Background

In a medical environment, medical staff need to face blood, body fluid and secretion of patients possibly containing viruses or bacteria, and infection risks exist at any time, so that the medical fabric needs to have good bacterium-resisting and waterproof effects. Traditional waterproof surface fabric is compound surface fabric usually, plays water-proof effects through the surface at the surface of surface fabric or middle one deck waterproof layer that increases, but the surface fabric production technology of this kind of mode production is complicated, and manufacturing cost is high, and the surface fabric finished product is thick and solid heavy to the gas permeability is poor, and the resilience is poor, seriously influences medical personnel's the travelling comfort of dress.

Therefore, the Chinese invention patent CN108914321A provides a waterproof fabric, which is a blended fabric formed by blending 20D polyethylene fibers and 40D polyester yarns, and the gram weight of the blended fabric is 140g/m²The twisting direction of the blended fabric is left-hand twisting, the yarn twist is 170 twists/10 cm, and the yarn thickness is 50 English counts; the yarn density of the blended fabric is 120 multiplied by 120; the weaving shrinkage of the blended fabric is +/-2%; the waterproof capability of the fabric can be improved by means of coating and blending of the polyurethane fiber to the polyester yarn, and the fabric has a special waterproof function. However, the waterproof fabric has the following disadvantages:

(1) the yarn density of the blended fabric is 120 multiplied by 120, the yarn density is high, and the air permeability is poor;

(2) the process of blending 20D polyethylene fibers and 40D polyester yarns to form the blended fabric is complex in production process.

In view of this, it is urgently needed to improve the structure of the existing fabric so as to improve the air permeability and the waterproof performance of the fabric.

Disclosure of Invention

The invention aims to solve the technical problems of poor air permeability and water resistance of the existing fabric and complex production process.

In order to solve the technical problems, the technical scheme adopted by the invention is to provide a composite fabric with waterproof and breathable functions, the composite fabric is a fabric structure formed by three layers of fabrics in a heat sealing mode, the fabric structure of the first layer of fabric takes 50D/48F terylene low-elasticity network yarns as first warps, takes 150D/288F terylene low-elasticity network yarns as first wefts, the warp and weft density of the fabric structure is 100 x 67-140 x 95 pieces/inch, the fabric structure of the second layer of fabric takes 75D/36F mechanical stretch yarns as the first warps and the warp and weft density of the fabric structure is 110 x 83-170 x 105 pieces/inch, the weaving structures of the first layer of fabric and the second layer of fabric are both of plain weave structures, and a PU film is arranged between the first layer of fabric and the second layer of fabric.

In the technical scheme, the first layer of fabric is a fabric structure subjected to plasma treatment.

In the technical scheme, the gram weight of the fabric structure of the first layer of fabric is 85 +/-5 grams per square meter.

In the technical scheme, the first warp and the first weft can adopt modified polyester low-elastic interlaced yarn prepared by a POY-DTY circular blowing cooling process.

In the technical scheme, the first layer of fabric and the second layer of fabric are fabric structures subjected to waterproof treatment and single-side calendaring treatment.

In the above technical solution, the second warp and the second weft are mechanical stretch yarns that are not subjected to a heating process during a POY yarn drafting process.

In the technical scheme, the fabric structure of the second layer of fabric can be woven by a water jet loom from japan jin colt 8100, and the nozzle of the water jet loom is a 30-model nozzle.

Compared with the prior art, the composite fabric with the waterproof and breathable functions has the advantages that the first warp of the first layer of fabric is 50D/48F polyester low-elasticity interlaced yarn, the 150D/288F polyester low-elasticity interlaced yarn is used as the first weft, and the warp and weft density is 100 multiplied by 67-140 multiplied by 95 per inch. According to the invention, by adopting conventional raw materials on the market and reasonably designing the warp density and the weft density, the fabric has the functions of softness and ventilation, and the weft denier is 3 times of the warp denier, so that the weft strips of the fabric are clear, namely the surface of the fabric presents concave-convex feeling, the ventilation of the fabric is greatly increased, the fabric is soft and does not collapse, has very strong vertical feeling, is stiff without wrinkle when being worn, and has good waterproof and antifouling functions, the second layer of the fabric takes 75D/36F mechanical stretch yarns as the warps and the wefts, the warp and weft density is higher, the water seepage pressure of the fabric is improved, and the waterproof effect is good.

Drawings

FIG. 1 is a schematic structural diagram of a first layer fabric of the composite fabric with waterproof and breathable functions;

FIG. 2 is a schematic structural view of a second layer of fabric of the composite fabric with waterproof and breathable functions in the invention;

fig. 3 is a side view of the composite fabric with waterproof and breathable functions according to the present invention.

Wherein, the correspondence between the reference numbers and the component names in fig. 1 to 3 is:

10 first layer of fabric, 11 first warps, 12 first wefts, 20 second layer of fabric, 21 second warps, 22 second wefts and 30PU film.

Detailed Description

The invention provides a composite fabric with waterproof and breathable functions, which can enable the fabric to have breathable and waterproof functions and is simple in production process. The invention is described in detail below with reference to the drawings and the detailed description.

As shown in fig. 1 to 3, the composite fabric with waterproof and breathable functions provided by the present invention is a fabric structure formed by three layers of fabrics through heat sealing, the fabric structure of the first layer of fabric 10 uses 50D/48F polyester low stretch network yarns as first warp yarns 11, uses 150D/288F polyester low stretch network yarns as first weft yarns 12, and has a warp and weft density of 100 × 67 to 140 × 95/inch, the fabric structure of the second layer of fabric 20 uses 75D/36F mechanical stretch yarns as first warp yarns 11 and second weft yarns 22, and has a warp and weft density of 110 × 83 to 170 × 105/inch, the weaving structures of the first layer of fabric 10 and the second layer of fabric 20 are both plain weave structures, and a PU film 30 is disposed between the first layer of fabric and the second layer of fabric.

In this embodiment, the first warp yarn 11 of the first layer fabric 10 is 50D/48F polyester low-elastic interlaced yarn, and 150D/288F polyester low-elastic interlaced yarn is used as the first weft yarn 12, the warp and weft density is 100 × 67-140 × 95 pieces/inch, by adopting the conventional raw materials on the market, the warp and weft density is reasonably designed, so that the fabric has the functions of softness and ventilation, and the weft denier is 3 times of the warp denier, so that the weft stripes of the cloth surface are dry and clear, that is, the surface of the fabric presents the sense of concavity and convexity, the ventilation property of the fabric is greatly increased, the fabric is soft and does not collapse, has strong vertical feeling, is stiff on the body without wrinkling, and has a good antifouling and waterproof function, the second layer fabric 20 uses 75D/36F mechanical stretch yarn as the warp yarn and the weft yarn, the warp and weft density is higher, the water seepage pressure of the fabric is improved, and the good waterproof effect is achieved, a layer of PU film 30 is arranged between the first layer of fabric and the second layer of fabric, so that the composite fabric has the characteristic of high temperature resistance, can be kneaded during washing, and can realize the effect of repeated use after at least 70 times of washing.

In one embodiment of the present invention, the first layer of fabric 10 is preferably a plasma treated fabric structure.

In this embodiment, the first layer fabric 10 is subjected to plasma antibacterial treatment, so that the first layer fabric 10 has an antibacterial function, for example, an organic solvent is used as a finishing medium, and a quaternary ammonium salt olefin monomer with an antibacterial property is graft polymerized onto the fabric, so that the fabric has the antibacterial property.

In one embodiment of the present invention, the fabric structure of the first layer of fabric 10 preferably has a grammage of 85 ± 5 grams per square meter.