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CN-117734247-B - A high-strength crease-resistant composite fabric material Fabric and preparation method thereof

CN117734247BCN 117734247 BCN117734247 BCN 117734247BCN-117734247-B

Abstract

The invention belongs to the technical field of fabric materials, and provides a high-strength crease-resistant composite fabric material, a fabric and a preparation method thereof, wherein the composite fabric material comprises a base layer, a bonding layer and a surface layer which are sequentially laminated; the base layer is formed by braiding sheath-core composite fibers, the sheath-core composite fibers comprise an inner core and a skin layer wrapping the inner core, the inner core is acrylic multifilament, the skin layer is polyester fibers, the bonding layer is made of modified carbon fibers/metal oxide nanoparticle composite epoxy resin, the surface layer is formed by braiding warp yarns and weft yarns in a transverse and longitudinal mode, the warp yarns are flax fibers, and the weft yarns are bamboo fibers. The composite fabric material provided by the invention is formed by laminating and compounding a base layer, a bonding layer and a surface layer, and the prepared composite fabric material has the advantages of excellent mechanical strength, higher comfort level of body feeling, difficult generation of wrinkles under the action of external force and the like.

Inventors

  • ZHAO YAN
  • KONG HAIYAN
  • QIN JUAN
  • HUANG YONGCHAO
  • XUAN JING

Assignees

  • 北京大华天坛服装有限公司

Dates

Publication Date
20260512
Application Date
20231212

Claims (8)

  1. 1. The high-strength crease-resistant composite fabric material is characterized by comprising a base layer, a bonding layer and a surface layer which are sequentially laminated; the base layer is formed by braiding sheath-core composite fibers, the sheath-core composite fibers comprise an inner core and a sheath layer wrapping the inner core, the inner core is acrylic multifilament, and the sheath layer is polyester fiber; the material of the bonding layer is modified carbon fiber/metal oxide nanoparticle composite epoxy resin; The surface layer is formed by horizontally and longitudinally weaving warps and wefts, wherein the warps are flax fibers, and the wefts are bamboo fibers; the weaving density of the warp threads is 30-40 pieces/cm; the twist of the polyester fiber is 200-300T/m; The composite fabric material is prepared by the following method: (I) Taking acrylic multifilament as an inner core, taking polyester fiber as a skin layer, performing core-spun spinning to obtain skin-core composite fiber, and weaving the skin-core composite fiber to form a base layer; (II) preparing a reinforcing material formed by compounding modified carbon fibers and metal oxide nano particles, mixing the reinforcing material, epoxy resin, a curing agent and a coupling agent, and extruding through a screw to obtain a bonding material; (III) taking flax fiber as warp yarn, bamboo fiber as weft yarn, and weaving transversely and longitudinally to form a surface layer; (IV) paving a bonding material on one side surface of the base layer, covering a surface layer on the bonding material, and performing hot-press bonding to obtain the composite fabric material; In the step (II), the reinforcing material is prepared by the following method: (1) Immersing carbon fiber in oxidant solution and coupling agent solution in sequence, taking out to obtain modified carbon fiber, dispersing metal precursor in deionized water, and stirring uniformly to obtain metal precursor solution; (2) Mixing the modified carbon fiber with a metal precursor solution, performing microwave hydrothermal reaction, and calcining after the reaction is finished to obtain the reinforced material, wherein the mass ratio of the modified carbon fiber to the metal precursor in the metal precursor solution is 1 (30-40); In the step (II), the reinforcing material, the epoxy resin, the curing agent and the coupling agent are added according to the following weight parts: 20-30 parts of reinforcing materials; 50-70 parts of epoxy resin; 5-15 parts of curing agent; 1-5 parts of a coupling agent; In the step (IV), the temperature of the thermocompression bonding is 170-180 ℃.
  2. 2. The high strength, wrinkle-resistant composite fabric material according to claim 1, wherein the sheath-core composite fiber has a weave density of 10-20 pieces/cm; the thickness of the bonding layer is 100-150 mu m; The knitting density of the weft is 25-35 pieces/cm.
  3. 3. The high strength, wrinkle resistant composite fabric material according to claim 1, wherein in step (I), the sheath-core composite fiber is prepared in a core-spun device; in the sheath-core composite fiber, the mass ratio of the polyester fiber to the acrylic multifilament is (1.5-3) 1; the yarn output speed of the core-spun yarn device is 20-30m/min.
  4. 4. The high strength, wrinkle-resistant composite fabric material according to claim 1, wherein in step (1), the carbon fibers are chopped carbon fibers; The chopped length of the carbon fiber is 4-5mm; the diameter of the monofilaments of the carbon fibers is 6-7 mu m; Soaking in the oxidant solution for 50-60min; the concentration of the oxidant solution is 20-30mmol/L; The oxidant solution is any one or the combination of at least two of hydrogen peroxide solution, peracetic acid solution, sodium percarbonate solution, potassium permanganate solution and potassium bisulfate solution; soaking in the coupling agent solution for 30-40min; The mass fraction of the coupling agent in the coupling agent solution is 2-5wt%; the molar concentration of the metal precursor in the metal precursor solution is 1-2.5mol/L; the ambient temperature in the stirring process is 40-60 ℃; The metal precursor is aluminum hydroxide, and the prepared reinforced material is a modified carbon fiber/nano aluminum oxide composite material.
  5. 5. The high strength wrinkle resistant composite fabric material according to claim 1, wherein in step (2), the microwave hydrothermal reaction is performed in a microwave hydrothermal reaction kettle; The time of the microwave hydrothermal reaction is 20-50min; the temperature of the microwave hydrothermal reaction is 160-190 ℃; the pressure of the microwave hydrothermal reaction is 1-4MPa; The calcining temperature is 1000-1200 ℃; The calcination time is 1-2h.
  6. 6. The high strength, wrinkle-resistant composite fabric material according to claim 1, wherein in step (II), the screw extrusion process is performed in a twin screw extruder; the screw rotating speed of the double-screw extruder is 200-300rpm; The temperature of the twin-screw extruder is 180-200 ℃.
  7. 7. The high strength, wrinkle-resistant composite fabric material according to claim 1, wherein the thermocompression bonding pressure in step (IV) is from 0.3 MPa to 0.4MPa.
  8. 8. A high-strength crease-resistant fabric, which is obtained by cutting the high-strength crease-resistant composite fabric material according to any one of claims 1 to 7.

Description

A high-strength crease-resistant composite fabric material Fabric and preparation method thereof Technical Field The invention belongs to the technical field of fabric, and relates to a high-strength crease-resistant composite fabric material, a fabric and a preparation method. Background With the increasing development of economy and society, the quality requirements of people on various aspects of life such as clothing and eating houses are also improved, wherein the clothing becomes an indispensable important product in the life of people. The fabric is one of three factors of the garment, not only can explain the style and the characteristics of the garment, but also directly determines the color and the modeling performance of the garment, which requires that the fabric has the characteristics of ventilation, comfort, difficult deformation, difficult static generation and the like, and particularly requires that the fabric cannot generate wrinkles after washing so as to prevent the wrinkles of the fabric from damaging the aesthetic degree of the garment, but the fabric comfortable to wear and good in ventilation is extremely easy to generate wrinkles and difficult to recover in the washing or wearing process, and the fabric difficult to generate wrinkles cannot meet the requirements of people in the aspects of comfort, ventilation and the like. CN113123131a discloses a shrink-proof crease-resistant low formaldehyde resin finishing method for knitted fabric and textile. The shrink-proof crease-resistant low formaldehyde resin finishing method for the knitted fabric comprises the steps of subjecting the knitted fabric to resin finishing treatment to obtain a finished fabric, shaping the finished fabric to obtain a shaped fabric, and subjecting the shaped fabric to circulating air treatment, wherein the circulating air speed applied to the lower surface of the shaped fabric is higher than that applied to the upper surface of the shaped fabric. However, the textile finishing method provided by the technology of the invention has complex process, high manufacturing cost of used equipment, difficult industrialized popularization and incapability of simultaneously considering the comfort and high strength of the fabric. CN103572452A discloses a crease-resistant fabric, a production method and application thereof, wherein the fabric is at least formed by cellulose fibers and polyester fibers, the weave is twill weave, satin weave or double weave, the content of the cellulose fibers is 20-80 wt%, and the crease-resistant performance of the fabric is above grade 3. However, the crease-resistant fabric provided by the technology cannot simultaneously give consideration to the comfort and the high strength of the fabric. Therefore, a new fabric is needed to be designed, so that the air permeability and the comfort level of the fabric can be ensured, and the performance requirement of people on the crease prevention of the fabric can be met. Disclosure of Invention Aiming at the defects existing in the prior art, the invention aims to provide a high-strength crease-resistant composite fabric material, a fabric and a preparation method thereof, the composite fabric material provided by the invention is formed by laminating and compositing a base layer, a bonding layer and a surface layer, the prepared composite fabric material has the advantages of excellent mechanical strength, high comfort level of body feeling, difficult generation of wrinkles under the action of external force and the like. To achieve the purpose, the invention adopts the following technical scheme: in a first aspect, the present invention provides a high strength wrinkle resistant composite fabric material comprising a base layer, a tie layer and a face layer laminated in sequence; the base layer is formed by braiding sheath-core composite fibers, the sheath-core composite fibers comprise an inner core and a sheath layer wrapping the inner core, the inner core is acrylic multifilament, and the sheath layer is polyester fiber; the material of the bonding layer is modified carbon fiber/metal oxide nanoparticle composite epoxy resin; The surface layer is formed by horizontally and longitudinally weaving warps and wefts, wherein the warps are flax fibers, and the wefts are bamboo fibers. The composite fabric material provided by the invention is formed by laminating and compounding a base layer, a bonding layer and a surface layer, and the prepared composite fabric material has excellent mechanical strength, high comfort level and difficult generation of wrinkles under the action of external force. The surface layer in the composite fabric material provided by the invention is formed by horizontally and longitudinally weaving the flax fiber and the bamboo fiber, the bamboo fiber endows the composite fabric material with excellent antibacterial property, the composite fabric material can be used as a skin-friendly surface layer to greatly reduce the