WO2017101500A1 - 一种用于个人护理卫生用品的材料、其制备方法及用途 - Google Patents

一种用于个人护理卫生用品的材料、其制备方法及用途 Download PDF

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Publication number
WO2017101500A1
WO2017101500A1 PCT/CN2016/096831 CN2016096831W WO2017101500A1 WO 2017101500 A1 WO2017101500 A1 WO 2017101500A1 CN 2016096831 W CN2016096831 W CN 2016096831W WO 2017101500 A1 WO2017101500 A1 WO 2017101500A1
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WO
WIPO (PCT)
Prior art keywords
film
woven fabric
personal care
nonwoven fabric
hot press
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PCT/CN2016/096831
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English (en)
French (fr)
Inventor
李圣放
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上海裕闵国际贸易有限公司
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Publication of WO2017101500A1 publication Critical patent/WO2017101500A1/zh

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/15577Apparatus or processes for manufacturing
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/51Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
    • A61F13/514Backsheet, i.e. the impermeable cover or layer furthest from the skin
    • A61F13/51401Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/551Packaging before or after use
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/56Supporting or fastening means
    • A61F13/5622Supporting or fastening means specially adapted for diapers or the like
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/56Supporting or fastening means
    • A61F13/58Adhesive tab fastener elements
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/51Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
    • A61F13/514Backsheet, i.e. the impermeable cover or layer furthest from the skin
    • A61F13/51401Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material
    • A61F2013/51441Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material being a fibrous material
    • A61F2013/51452Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material being a fibrous material being nonwovens

Definitions

  • the present invention relates to the field of personal care hygiene products, and in particular to a material for personal care hygiene products, a preparation method thereof and use thereof.
  • Non-woven fabric (English name: Non Woven Fabric or Nonwoven cloth), also known as non-woven fabric, non-woven fabric, is made of oriented or random fibers, is a new generation of environmentally friendly materials, with moisture, breathability, flexibility, light weight, no It is easy to decompose, easy to decompose, non-toxic and non-irritating, rich in color, low in price and recyclable.
  • high polymer pellets are used as raw materials, which are produced by high-temperature melting, spinning, paving, and hot-rolling and continuous one-step process.
  • Durable disposable. Insulated, conductive. Softness, stiffness. Fineness, swelling.
  • Non-woven fabrics are widely used in personal care hygiene products such as sanitary napkins and baby diapers due to their breathable, water-tight, flexible, lightweight, abrasion-resistant and wrinkle-resistant properties.
  • personal care hygiene products such as sanitary napkins and baby diapers due to their breathable, water-tight, flexible, lightweight, abrasion-resistant and wrinkle-resistant properties.
  • people's requirements for personal care and hygiene products are getting higher and higher, and consumers and manufacturers have higher requirements for their lightness, softness, breathability and aesthetics.
  • Personal care hygiene products include sanitary napkins, diapers, handkerchiefs, etc.
  • Materials for personal care hygiene products can be applied to sanitary napkins, non-woven fabrics, sanitary napkins, tearable stickers, diaper outer layer non-woven fabrics, diaper front waist stickers, Diaper velcro, box paper towel handles, etc.
  • infant diapers generally include a topsheet, a breathable film layer, an outer skin layer, and a core for absorbing liquid, the face layer being bonded to the inner surface of the gas permeable film layer, and between the face layer and the inner surface of the gas permeable film layer A cavity is provided, a core is disposed in the cavity, and an outer layer is disposed on an outer surface of the gas permeable film layer.
  • the diapers on the market are usually made of thicker materials in order to carry out the printing hot stamping process on the outer surface layer, so that they can withstand the hot pressing process of the hot press, and therefore are not thin, soft, beautiful, pro skin.
  • the magic hook is a common connecting piece, which is divided into two parts: a Velcro (hook body) and a diaper front waist (hair surface), which are respectively fixed by the hook surface body and the hair surface body.
  • a Velcro hook body
  • a diaper front waist hair surface
  • the two objects can be attached, and the hook body and the hair surface body can be opened, so that the two objects can be separated. Can be opened and closed multiple times.
  • the magic hook has the advantages of simple and convenient use, beautiful and comfortable, and reusable, it is also used as a pasting structure in the design of some infant diapers.
  • the diaper generally comprises an outer covering material, a built-in absorbing layer, a leak-proof bottom film, a magic front waist patch, and a magic buckle.
  • the outer covering material is generally a non-woven fabric, which functions as a penetration and isolation;
  • the built-in absorption layer is a mixture of fluff pulp and polymer water absorbing resin, which mainly functions as an absorption;
  • the function of the anti-leakage bottom film is to prevent leakage and avoid pollution.
  • some products use a breathable base film to enhance the breathability of the diaper; the magic front waist (hair face) and velcro (hook body) form a closure for the infant to wear.
  • the magic front waist sticker needs soft and comfortable, light and skin-friendly, strong convex, and Velcro (hook body). It is not easy to separate after bonding.
  • the magic front waist sticker on the market is generally made of non-woven fabric and plastic film in order to ensure repeated adhesiveness. It is usually thick and hard, which will result in insufficient softness, comfort, lightness and breathability of the baby. Not beautiful enough.
  • CN 203425131 U discloses a diaper front waist patch composite structure comprising a substrate layer formed by polymer film composite, the surface of the substrate layer being composited with a fiber layer of a thermoplastic polymer; the surface of the substrate layer having a plurality of convex portions on the convex portion The fiber layer is fluffy, and the fiber layer of the concave portion formed between the two convex portions is tightly bonded. Since it is composed of a substrate layer and a fiber layer of a thermoplastic polymer, it is not sufficiently thin, soft, and permeable.
  • CN 204218131 U discloses an air cushion velcro comprising a base film layer and a non-woven fabric layer, the non-woven fabric layer is attached to the upper surface of the base film layer, and is formed with a plurality of air cushion regions having cavities and spaced intervals and A plurality of closely-bonded fixing regions disposed between adjacent air cushion regions.
  • the air cushion area will not be permanently crushed, and when the processing is performed, the non-woven fabric rebound of the air cushion area can still be fastened to the corresponding hook-shaped member.
  • the patented Velcro is made of a combination of a non-woven fabric and a base film, so it is not thin, soft, and breathable.
  • CN 204072506 U discloses a diaper nonwoven fabric film and a PE film thermocompression bonding structure, comprising a non-woven film and a PE film, wherein the connection portion of the non-woven film and the PE film is electrothermally pressed “line” bonding, The connecting portions intersect to form a "mesh” structure, and the nonwoven film in the mesh is not connected to the PE film.
  • the adhesive structure of this patent is made of a composite of a non-woven fabric and a PE film, so it is not thin, soft, and breathable.
  • the present invention provides a material for personal care hygiene products which is light, thin, breathable, comfortable, soft and beautiful, which uses thermal transfer coating printing, letterpress thermal transfer printing.
  • the process greatly enhances the aesthetics, lightness and breathability, softness and comfort of materials used in personal care hygiene products, filling the gap in the global field of materials for personal care hygiene products.
  • the technical solution adopted by the present invention is: a material for personal care hygiene products, which is a composite material of a non-woven fabric and a film made of a non-woven fabric or a thermoplastic polymer fiber made of thermoplastic polymer fibers, It is formed by thermal transfer film coating printing and letterpress hot pressing transfer process.
  • thermoplastic polymer fibers are selected from one or more of polypropylene (PP) fibers, polyethylene (PE) fibers; the fibers may be long fibers or short fibers.
  • PP polypropylene
  • PE polyethylene
  • the non-woven fabric made of the thermoplastic polymer fiber is a 1-3 layer non-woven fabric, and each layer of the non-woven fabric is independently a non-woven fabric made of PP fiber, or a non-woven fabric made of a blend of PE fiber and PP fiber. cloth.
  • the weight percentage of the PP fibers in the nonwoven fabric is 20-80%, and the weight percentage of the PE fibers is 20-80%.
  • the film is a PET film, a PE film, a BOPET film or a BOPP film; the film is laminated under the nonwoven fabric.
  • the film is a PE film or a BOPP film; the thickness of the PE film is preferably 10-50 ⁇ m; and the thickness of the BOPP film is preferably 10-25 ⁇ m.
  • the material for the personal care hygiene product is made of a composite material of a nonwoven fabric and a film made of a thermoplastic polymer fiber, and is formed by a thermal transfer film coating printing or a letterpress hot pressing transfer process, preferably,
  • the nonwoven fabric made of the thermoplastic polymer fiber is a 1-layer nonwoven fabric, and the film is a 1-layer film.
  • the present invention also provides a method of preparing the material for a personal care hygiene product, comprising the steps of:
  • thermoplastic polymer fiber made of a thermoplastic polymer fiber
  • a hot press roll performs a relief hot press transfer process on the nonwoven fabric via the coating and printing thermal transfer film
  • the coating and printing thermal transfer film is a BOPP film or a BOPET film
  • the coated thermal transfer film has a thickness of from 8 to 100 ⁇ m, preferably from 10 to 70 ⁇ m.
  • the letterpress hot pressing transfer process according to the step (3) specifically refers to a concave-convex pattern on the hot press roll of the hot press, and the hot press roll is subjected to hot pressing of the coated printing heat transfer film and the nonwoven fabric.
  • the ink pattern coated on the printing thermal transfer film in the step (2) is transferred onto the nonwoven fabric.
  • the hot pressing may be carried out by a conventional method such as air pressure, oil pressure or hydraulic pressure; the hot pressing temperature is 50-200 ° C, the heating method is electric heating, oil heating or electromagnetic heating, the hot pressing pressure is 0.5-10 MPa, and the hot pressing roller has no The relative movement speed between the woven fabrics is 10-200 m/min.
  • the hot pressing temperature is 80-180 ° C
  • the hot pressing pressure is 2-10 MPa
  • the relative moving speed between the hot press roll and the nonwoven fabric is 20-120 m/min.
  • the invention also provides the use of the material for personal care hygiene articles, which can be used for sanitary napkin outer covering non-woven fabric, sanitary napkin easy tearing, diaper outer layer non-woven fabric, diaper front waist sticker, diaper velcro , box paper towel handles, etc.
  • the present invention also provides a diaper front waist patch which is cut from the material for personal care hygiene products, and has a gram weight of 35-50 g/m 2 in the front waist patch.
  • the material for personal care hygiene products is made of a thermoplastic polymer fiber by a thermal transfer film coating printing, a letterpress hot pressing process, and the total weight of the nonwoven fabric is 35-50g/m 2 :
  • the nonwoven fabric is a nonwoven fabric 1-3 layer made of PP fiber or a nonwoven fabric 1-3 layer made of a blend of PE fibers and PP fibers.
  • the non-woven fabric has 2 layers, which are in order from top to bottom (in the application of the front waist of the diaper, the side near the diaper is defined as the lower side and the side contacting the velcro hook body is above):
  • the first layer a nonwoven fabric made of PP fiber
  • the second layer a non-woven fabric made of a blend of PE fibers and PP fibers.
  • the non-woven fabric has 3 layers, which are from top to bottom:
  • the first layer a nonwoven fabric made of PP fiber
  • the second layer a non-woven fabric made of PP fiber or a non-woven fabric made of a blend of PE fiber and PP fiber;
  • the third layer a non-woven fabric made of a blend of PE fibers and PP fibers.
  • the non-woven fabric has 2 layers, which are from top to bottom:
  • the first layer a non-woven fabric made of a blend of PE fibers and PP fibers;
  • the second layer a nonwoven fabric made of PP fiber.
  • the non-woven fabric has 3 layers, which are from top to bottom:
  • the first layer a non-woven fabric made of a blend of PE fibers and PP fibers;
  • the second layer a non-woven fabric made of PP fiber or a non-woven fabric made of a blend of PE fiber and PP fiber;
  • Layer 3 Non-woven fabric made of PP fiber.
  • the material for personal care hygiene products is a composite material of a layer of non-woven fabric and a layer of film made of thermoplastic polymer fiber, which is subjected to thermal transfer film coating printing, letterpress hot pressing transfer process
  • the film is composited under the non-woven fabric, and the non-woven fabric and the film are composited by a hot melt adhesive or a solvent-based adhesive coating process to obtain a composite material, and the total weight of the composite material is preferably 35-50 g/m 2 .
  • the composite material is from top to bottom:
  • the first layer a non-woven fabric made of PP fiber or a non-woven fabric made of a blend of PE fiber and PP fiber;
  • Layer 2 PE film or BOPP film.
  • the diaper front waist patch cut out using the material for personal care hygiene of the present invention has a gram weight of 35-50 g/m 2 , and the diaper front waist sticker of the prior art having a grammage of 60-70 g/m 2 Compared to the obvious, it is lighter, softer, more beautiful and more breathable.
  • the present invention also provides a sanitary napkin outer wrap nonwoven fabric which is cut from the material for personal care hygiene articles, and has a basis weight of 7-15 g/m 2 for the sanitary napkin outer wrap.
  • the material for the personal care hygiene product is made of PP fiber, a layer of non-woven fabric or PP fiber and
  • the 1-layer non-woven fabric made of PE fiber blended is formed by thermal transfer film coating printing and letterpress hot pressing transfer process, and the total grammage of the non-woven fabric is 7-15 g/m 2 .
  • the sanitary napkin outer wrap film of the prior art is generally prepared from a PE film, and has a basis weight of 20-25 g/m 2 , and the sanitary napkin is cut out of the non-woven fabric using the material for personal care hygiene of the present invention.
  • the weight is 7-15g/m 2 , which is obviously lighter, softer, more beautiful and breathable.
  • the non-woven fabric has a distinct texture from the PE film in the prior art, and the non-woven fabric is formed by the process, and the printing pattern is obtained. With anti-counterfeiting effect.
  • the present invention also provides a diaper outer layer nonwoven fabric which is cut from the material for personal care hygiene articles, and has a basis weight of 7-15 g/m 2 for the outer layer nonwoven fabric of the diaper.
  • the material for the personal care hygiene product is a layer of non-woven fabric or PP fiber made of PP fiber and
  • the 1-layer non-woven fabric made of PE fiber blended is formed by thermal transfer film coating printing and letterpress hot pressing transfer process, and the total grammage of the non-woven fabric is 7-15 g/m 2 .
  • the outer layer of the diaper of the prior art is generally prepared from a PE film having a basis weight of 13-20 g/m 2 and having no printed pattern, and the outer layer of the diaper cut using the material for personal care hygiene of the present invention is not
  • the gram weight of the woven fabric is 7-15g/m 2 , which is obviously lighter, softer, more beautiful, and more permeable.
  • the non-woven fabric is formed by the process, and the printed pattern has an anti-counterfeiting effect.
  • the present invention also provides a sanitary napkin tear-off sticker which is cut from the material for personal care hygiene articles, and has a basis weight of 48-55 g/m 2 for the sanitary napkin.
  • the material for the personal care hygiene product is made of a non-woven fabric made of PP fiber or
  • the composite material of PP fabric and PE fiber blended with 1 layer of BOPP or BOPET film is formed by thermal transfer film coating printing and letterpress hot pressing transfer process.
  • the weight of non-woven fabric is about 25g. /m 2
  • the gram weight of the sanitary napkin easily peeled off is about 48-55 g/m 2 .
  • the sanitary napkin easy-to-tear paste in the prior art is generally prepared from a PP film, has a basis weight of >75 g/m 2 , and has no printed pattern, and is easily torn using the sanitary napkin cut by the material for personal care hygiene of the present invention.
  • the weight of the sticker is 48-55g/m 2 , which is obviously lighter, softer, more beautiful and breathable, and the non-woven fabric is formed by the process, and the printed pattern has anti-counterfeiting effect.
  • the present invention also provides a diaper velcro which is cut from the material for personal care hygiene products, the diaper velcro having a basis weight of 45-60 g/m 2 .
  • the material for the personal care hygiene product is composed of 1-2 layers of non-woven fabric or a layer of film (PE or The composite material of BOPP film is formed by thermal transfer film coating printing and letterpress hot pressing transfer process; each layer of non-woven fabric is made of non-woven fabric made of PP fiber or blended with PP fiber and PE fiber.
  • the total weight of the diaper Velcro is 45-60g/m 2 .
  • the diaper velcro in the prior art is generally prepared by using a non-woven PP film or the like, has a basis weight of 70-85 g/m 2 , and has no printed pattern, and is cut out using the material for personal care hygiene of the present invention.
  • the diaper Velcro has a gram weight of 45-60g/m 2 , which is obviously lighter, softer, more beautiful, and more permeable.
  • the non-woven fabric is formed by the process, and the printed pattern has an anti-counterfeiting effect.
  • whether it is a Y-shaped Velcro or a S-cut Velcro the peeling force between the diaper Velcro of the present invention and the front waist patch is significantly increased.
  • the present invention also provides a box towel carrying handle which is cut from the material for personal care hygiene articles and has a gram weight of 38-50 g/m 2 .
  • the material for the personal care hygiene product is composed of a layer of non-woven fabric (non-woven fabric made of PP fiber or The composite material of PP fabric and PE fiber blended with 1 layer of BOPP film is formed by thermal transfer film coating printing and letterpress hot pressing transfer process, and the weight of the box paper towel is about 38-50g/m 2 .
  • the pick-up paper towel handle of the prior art is generally prepared from a BOPP film, and has a basis weight of 45-50 g/m 2 , which is very hard, cut hands, not strong enough, and only has a traditional printed pattern of the film, and cannot be anti-counterfeit or beautiful.
  • the use of the material for personal care hygiene products of the present invention has a gram weight of 38-50 g/m 2 , which is lighter and thinner, and the invention is mainly made of non-woven fabric, which is obviously soft and beautiful. The air is ventilated, and the non-woven fabric is formed by the process, and the printed pattern has an anti-counterfeiting effect.
  • the invention adopts a process of applying a printing thermal transfer film on a non-woven fabric to carry out a process such as a letterpress hot pressing transfer, so that the non-woven fabric made of a thin or even single layer of thermoplastic polymer fiber layer is used in the invention.
  • the temperature and pressure of the hot pressing can be withstood, so that the material for personal care hygiene products of the present invention is greatly reduced in thickness and weight; more light, thin, breathable, soft and comfortable.
  • the preparation process can also combine the compounding, printing, hot pressing and hot stamping processes into one step, reduce the process, shorten the heating and pressing time of the non-woven fabric, and improve the prepared personal care hygiene products.
  • the quality of the material due to the birth of coating printing (thermal transfer), letterpress hot pressing transfer process, fills the gap in the global field of materials for personal care hygiene products, the most prominent feature: greatly enhance personal care hygiene supplies A material for personal care hygiene products with aesthetics and anti-counterfeiting effects.
  • each sanitary napkin When it is applied to the outer napkin of the sanitary napkin, each sanitary napkin is separately packaged, which is lighter and thinner than the resin film of the prior art, is convenient to carry, and has good elasticity of the non-woven fabric, and the sanitary napkin is put into the non-woven fabric.
  • the folding damage after wrapping the non-woven fabric is lower than that of the resin film; and after the surface of the surface is subjected to the letterpress hot pressing transfer process, a three-dimensional pattern with unevenness is formed, which is more beautiful and can reduce the use of women.
  • the sensation of sanitary napkins, this letterpress hot-pressing transfer process can also print trademarks, anti-counterfeiting labels, cartoon patterns, public interest propaganda terms, personalized design, etc. on the outer non-woven fabric.
  • the diaper When applied to a diaper outer layer nonwoven fabric, the diaper comprises a top layer, a breathable film layer, an outer skin layer, and a core for absorbing liquid, the inner surface of the face layer and the gas permeable film layer
  • the surface is provided with a cavity, a cavity is arranged between the surface layer and the inner surface of the gas permeable film layer, a core is arranged in the cavity, and the outer layer is disposed on the outer surface of the gas permeable film layer.
  • the material of the invention is used as the outer layer non-woven fabric of the diaper, which is lighter, softer, more beautiful and skin-friendly.
  • the preparation process can also combine the compounding, printing, hot pressing and hot stamping processes into one step, reduce the process, shorten the heating and pressing time of the non-woven fabric, and improve the quality of the prepared waistband of the diaper. At the same time, it also enhances the peeling force between the diaper front waist sticker and the diaper Velcro, and greatly improves the aesthetics of the diaper product.
  • FIG. 1 is a schematic structural view of a sanitary napkin according to Embodiment 1;
  • Figure 2 is a schematic view of a diaper according to Embodiment 2;
  • Figure 3 is a cross-sectional view taken along line A-A' of Figure 2;
  • a material for personal care hygiene products prepared by the following steps:
  • PP flakes are made into short fiber on the short fiber melt spinning equipment by spinning, winding, drawing and other processes.
  • the specification is 6.45 dtex ⁇ 48 mm, and the PP short fibers are spun, laid, and needled.
  • Reinforced, made of PP short fiber non-woven fabric, the PP short fiber non-woven fabric is placed under the hot pressing roller of the hot press;
  • the hot press roller performs a letterpress hot press transfer process on the PP short fiber non-woven fabric via the coating and printing thermal transfer film, and the hot press roll of the hot press has a concave-convex pattern, and the hot press roll is coated by the opposite side.
  • the hot pressing of the thermal transfer film and the non-woven fabric is printed on the cloth, and the ink pattern coated on the printing thermal transfer film in step (2) is transferred onto the non-woven fabric;
  • the hot pressing temperature is 80 ° C, and the heating method is electromagnetic Heating, hot pressing pressure is 2 MPa, the relative moving speed between the hot pressing roll and the non-woven fabric is 50 m / min;
  • the human sanitary care product outer covering non-woven fabric 1 individually wraps each sanitary napkin 3, which is lighter and thinner than the resin film of the prior art, and is convenient to carry. Moreover, the elasticity of the non-woven fabric is good, and the folding damage of the sanitary napkin after being placed in the non-woven fabric of the non-woven fabric is lower than that of the resin film; and after the surface is subjected to the letterpress hot pressing transfer process, The three-dimensional pattern with concave and convex feeling is more beautiful, which can reduce the feeling of sensation when the woman wears the sanitary napkin.
  • the letterpress hot pressing transfer process can also print the trademark, anti-counterfeit label, advertising language and the like on the outer covering non-woven fabric. .
  • a material for personal care hygiene products prepared by the following steps:
  • PP pellets are made into long fiber by spinning, winding, drawing and other processes on long fiber melt spinning equipment.
  • the specification is 2.78dtex ⁇ 75mm.
  • the long fibers of PP are spun, laid, and spunlaced.
  • the hot press roller performs a letterpress hot press transfer process on the PP long fiber nonwoven fabric via the coating and printing thermal transfer film, and the hot press roll of the hot press has a concave-convex pattern, and the hot press roll is coated by the opposite side.
  • the hot pressing of the thermal transfer film and the non-woven fabric is printed on the cloth, and the ink pattern coated on the printing thermal transfer film in step (2) is transferred onto the non-woven fabric;
  • the hot pressing temperature is 100 ° C, and the heating method is electromagnetic heating.
  • the hot pressing pressure is 8 MPa, and the relative moving speed between the hot pressing roll and the non-woven fabric is 50 m/min;
  • the diaper When applied to the outer layer nonwoven fabric of the diaper, as shown in FIGS. 2-3, the diaper includes a topsheet 41, a gas permeable film layer 43, a core 42 for absorbing liquid, and the face layer 41 and the gas permeable film layer 42. a cavity is provided between the inner surfaces, and a core for absorbing liquid is disposed in the cavity.
  • the body core body 42, the material 1 for personal care hygiene products, is disposed on the outer surface of the breathable film layer as the outer layer nonwoven fabric of the diaper.
  • the material of the invention is used as the outer layer non-woven fabric of the diaper, which is lighter, softer, more beautiful and skin-friendly.
  • a material for personal care hygiene products prepared by the following steps:
  • PE slicing on short fiber melt spinning equipment by spinning, winding, drawing and other processes to make PE short fiber the specification is 5.49dtex ⁇ 46mm, short PP short fiber (6.45dtex ⁇ 48mm) and PE
  • the fiber is loosely mixed according to the mass ratio of 1:1, and is made into a PP/PE short fiber blended non-woven fabric by spinning, laying, and spunlacing, and the PP/PE short fiber blended non-woven fabric is placed in a hot press. Under the hot press roll;
  • the hot press roller performs a letterpress hot press transfer process on the PP/PE short fiber blended nonwoven fabric via the coating and printing thermal transfer film, and the hot press roll of the hot press has a concave and convex pattern, and the hot press roll
  • the ink pattern coated on the printing thermal transfer film in step (2) is transferred onto the non-woven fabric by hot pressing of the coating printing thermal transfer film and the non-woven fabric;
  • the hot pressing temperature is 180 ° C
  • the heating method is For electromagnetic heating, the hot pressing pressure is 2 MPa, and the relative moving speed between the hot pressing roll and the non-woven fabric is 120 m/min;
  • a material for personal care hygiene products prepared by the following steps:
  • PE pellets are made into long fiber of PE on the long fiber melt spinning equipment by spinning, winding, drawing and other processes.
  • the specification is 2.98dtex ⁇ 70mm, and the long PP fiber (2.78dtex ⁇ 75mm) and PE are long.
  • the fiber is loosely mixed at a mass ratio of 4:1, and is made into a PP/PE long-fiber blended non-woven fabric by spinning, laying, and needle-punching.
  • the PP/PE long-fiber blended non-woven fabric is placed in a hot press. Under the hot press roll;
  • the hot press roller performs a letterpress hot press transfer process on the PP/PE long fiber blended nonwoven fabric via the coating and printing thermal transfer film, and the hot press roll of the hot press has a concave and convex pattern, and the hot press roll
  • the ink pattern coated on the printing thermal transfer film in step (2) is transferred onto the non-woven fabric by hot pressing of the coating printing thermal transfer film and the non-woven fabric;
  • the hot pressing temperature is 100 ° C
  • the heating method is For electromagnetic heating, the hot pressing pressure is 2 MPa, and the relative moving speed between the hot pressing roll and the non-woven fabric is 20 m/min;
  • a material for personal care hygiene products prepared by the following steps:
  • the PE long fiber (2.98dtex ⁇ 70mm) and the PP long fiber (2.78dtex ⁇ 75mm) are loosely mixed at a mass ratio of 1:2, and are made into a PP/PE by spinning, laying, and needle-punching.
  • Long-fiber blended non-woven fabric with a weight of 15g/m 2 PP long fiber (2.78dtex ⁇ 75mm) is made by spinning, laying and needle-punching to make PP long-fiber non-woven fabric with a weight of 18g/ m 2 , a layer of PP/PE long fiber blended non-woven fabric and two layers of PP long-fiber non-woven fabric are needle-punched in a top-down order, and then placed under a hot press roller of a hot press;
  • the hot press roller performs a letterpress hot press transfer process on the non-woven fabric via the coating and printing thermal transfer film, and the hot press roll of the hot press has a concave-convex pattern, and the hot press roll passes the heat of coating and printing.
  • the hot pressing of the transfer film and the non-woven fabric, the ink pattern coated on the printing thermal transfer film in step (2) is transferred onto the non-woven fabric;
  • the hot pressing temperature is 110 ° C, and the heating method is electromagnetic heating, hot pressing The pressure is 10 MPa, and the relative moving speed between the hot press roll and the non-woven fabric is 120 m/min;
  • the coated printing heat transfer film of the peeling and winding step (2) was obtained, and the obtained material for personal care hygiene products had a basis weight of 48 g/m 2 .
  • a material for personal care hygiene products prepared by the following steps:
  • the PE short fiber (5.49dtex ⁇ 46mm) and the PP short fiber (6.45dtex ⁇ 48mm) are loosely mixed at a mass ratio of 1:4, and are made into a PP/PE by spinning, laying and acupuncture.
  • Short-fiber blended non-woven fabric with a weight of 15g/m 2 , PP short fiber (6.45dtex ⁇ 48mm) is made into PP short-fiber non-woven fabric by spinning, laying and needle-punching, and the weight is 18g/ m 2
  • a two-layer PP/PE short fiber blended non-woven fabric and a layer of PP short-fiber non-woven fabric are needle-punched in a top-down order, and then placed under a hot press roller of a hot press;
  • the hot press roller performs a letterpress hot press transfer process on the non-woven fabric via the coating and printing thermal transfer film, and the hot press roll of the hot press has a concave-convex pattern, and the hot press roll passes the heat of coating and printing.
  • the hot pressing of the transfer film and the non-woven fabric, the ink pattern coated on the printing thermal transfer film in step (2) is transferred onto the non-woven fabric;
  • the hot pressing temperature is 110 ° C, and the heating method is electromagnetic heating, hot pressing The pressure is 10 MPa, and the relative moving speed between the hot press roll and the non-woven fabric is 120 m/min;
  • the coated printing heat transfer film of the peeling and winding step (2) was obtained, and the obtained material for personal care hygiene products had a basis weight of 48 g/m 2 .
  • a material for personal care hygiene products prepared by the following steps:
  • PP flakes are made into short fiber on the short fiber melt spinning equipment by spinning, winding, drawing and other processes.
  • the specification is 6.45 dtex ⁇ 48 mm, and the PP short fibers are spun, laid, and needled.
  • the hot press roller performs a letterpress hot press transfer process on the PP short fiber non-woven fabric via the coating and printing thermal transfer film, and the hot press roll of the hot press has a concave-convex pattern, and the hot press roll is coated by the opposite side.
  • the hot stamping of the thermal transfer film and the non-woven fabric is printed on the cloth, and the ink pattern coated on the thermal transfer film in step (2) is transferred onto the non-woven fabric;
  • the hot pressing temperature is 80 ° C, and the heating method is electromagnetic heating.
  • the hot pressing pressure is 2 MPa
  • the relative moving speed between the hot pressing roll and the non-woven fabric is 50 m/min;
  • a material for personal care hygiene products prepared by the following steps:
  • PP pellets are made into long fiber by spinning, winding, drawing and other processes on long fiber melt spinning equipment.
  • the specification is 2.78dtex ⁇ 75mm.
  • the long fibers of PP are spun, laid, and spunlaced. Reinforce, make a 1-layer PP long-fiber non-woven fabric, and place the PP long-fiber non-woven fabric under the hot pressing roller of the hot press;
  • the hot press roller performs a letterpress hot press transfer process on the PP long fiber nonwoven fabric via the coating and printing thermal transfer film, and the hot press roll of the hot press has a concave-convex pattern, and the hot press roll is coated by the opposite side.
  • the hot pressing of the thermal transfer film and the non-woven fabric is printed on the cloth, and the ink pattern coated on the printing thermal transfer film in step (2) is transferred onto the non-woven fabric;
  • the hot pressing temperature is 100 ° C, and the heating method is electromagnetic heating.
  • the hot pressing pressure is 8 MPa, and the relative moving speed between the hot pressing roll and the non-woven fabric is 50 m/min;
  • a material for personal care hygiene products prepared by the following steps:
  • PE slicing on short fiber melt spinning equipment by spinning, winding, drawing and other processes to make PE short fiber the specification is 5.49dtex ⁇ 46mm, short PP short fiber (6.45dtex ⁇ 48mm) and PE
  • the fiber is loosely mixed according to the mass ratio of 1:1, and is made into a 1-layer PP/PE short-fiber blended non-woven fabric by spinning, laying, and hydroentangling, and the PP/PE short-fiber blended non-woven fabric is placed in the heat. Under the hot pressing roller of the press;
  • the hot press roller performs a letterpress hot press transfer process on the PP/PE short fiber blended nonwoven fabric via the coating and printing thermal transfer film, and the hot press roll of the hot press has a concave and convex pattern, and the hot press roll
  • the step (2) is applied by hot pressing of the coated printing thermal transfer film and the nonwoven fabric.
  • the ink pattern on the thermal transfer film is transferred onto the non-woven fabric;
  • the hot pressing temperature is 180 ° C, the heating method is electromagnetic heating, the hot pressing pressure is 2 MPa, and the relative moving speed between the hot pressing roll and the non-woven fabric is 120 m. /min;
  • the coated printing heat transfer film of the peeling and winding step (2) was obtained, and the obtained material for personal care hygiene products had a basis weight of 50 g/m 2 .
  • a material for personal care hygiene products prepared by the following steps:
  • PE pellets are made into long fiber of PE on the long fiber melt spinning equipment by spinning, winding, drawing and other processes.
  • the specification is 2.98dtex ⁇ 70mm, and the long PP fiber (2.78dtex ⁇ 75mm) and PE are long.
  • the fiber is loosely mixed at a mass ratio of 4:1, and is made into a 1-layer PP/PE long-fiber blended nonwoven fabric by spinning, laying, and needle-punching, and the PP/PE long-fiber blended nonwoven fabric is placed in the heat. Under the hot pressing roller of the press;
  • the hot press roller performs a letterpress hot press transfer process on the PP/PE long fiber blended nonwoven fabric via the coating and printing thermal transfer film, and the hot press roll of the hot press has a concave and convex pattern, and the hot press roll
  • the ink pattern coated on the printing thermal transfer film in step (2) is transferred onto the non-woven fabric by hot pressing of the coating printing thermal transfer film and the non-woven fabric;
  • the hot pressing temperature is 100 ° C
  • the heating method is For electromagnetic heating, the hot pressing pressure is 2 MPa, and the relative moving speed between the hot pressing roll and the non-woven fabric is 20 m/min;
  • a material for personal care hygiene products prepared by the following steps:
  • the PE short fiber (5.49dtex ⁇ 46mm) and the PP short fiber (6.45dtex ⁇ 48mm) are loosely mixed according to the mass ratio of 1:1, and are made into PP/PE by spinning, laying and acupuncture.
  • the short-fiber blended nonwoven fabric is used as the upper layer, the basis weight is 20 g/m 2 , and the nonwoven fabric made of PP short fiber (6.45 dtex ⁇ 48 mm) is used as the lower layer, the basis weight is 15 g/m 2 , and the two-layer nonwoven fabric is used. After the needle punching compounding, it is placed under the hot pressing roller of the hot press;
  • the hot press roller performs a letterpress hot press transfer process on the non-woven fabric via the coating and printing thermal transfer film, and the hot press roll of the hot press has a concave-convex pattern, and the hot press roll passes the heat of coating and printing.
  • the hot pressing of the transfer film and the non-woven fabric, the ink pattern coated on the printing thermal transfer film in step (2) is transferred onto the non-woven fabric;
  • the hot pressing temperature is 180 ° C, and the heating method is electromagnetic heating, hot pressing The pressure is 2 MPa, and the relative moving speed between the hot press roll and the non-woven fabric is 120 m/min;
  • a material for personal care hygiene products prepared by the following steps:
  • the PE short fiber (5.49dtex ⁇ 46mm) and the PP short fiber (6.45dtex ⁇ 48mm) are loosely mixed according to the mass ratio of 1:1, and are made into PP/PE by spinning, laying and acupuncture.
  • the short-fiber blended non-woven fabric has a gram weight of 18 g/m 2 , and the two layers of PP/PE short-fiber blended nonwoven fabric are needle-punched and then placed under a hot press roll of a hot press;
  • the hot press roller performs a letterpress hot press transfer process on the non-woven fabric via the coating and printing thermal transfer film, and the hot press roll of the hot press has a concave-convex pattern, and the hot press roll passes the heat of coating and printing.
  • the hot pressing of the transfer film and the non-woven fabric, the ink pattern coated on the printing thermal transfer film in step (2) is transferred onto the non-woven fabric;
  • the hot pressing temperature is 110 ° C, and the heating method is electromagnetic heating, hot pressing The pressure is 10 MPa, and the relative moving speed between the hot press roll and the non-woven fabric is 120 m/min;
  • a material for personal care hygiene products prepared by the following steps:
  • PP short fiber (6.45dtex ⁇ 48mm) was spun, laid, and needle-punched to make PP short fiber non-woven fabric with a weight of 20g/m 2 , and two layers of PP short fiber non-woven fabric. After the needle punching compounding, it is placed under the hot pressing roller of the hot press;
  • the hot press roller performs a letterpress hot press transfer process on the non-woven fabric via the coating and printing thermal transfer film, and the hot press roll of the hot press has a concave-convex pattern, and the hot press roll passes the heat of coating and printing.
  • the hot pressing of the transfer film and the non-woven fabric, the ink pattern coated on the printing thermal transfer film in step (2) is transferred onto the non-woven fabric;
  • the hot pressing temperature is 110 ° C, and the heating method is electromagnetic heating, hot pressing The pressure is 10 MPa, and the relative moving speed between the hot press roll and the non-woven fabric is 120 m/min;
  • the coated printing heat transfer film of the peeling and winding step (2) was obtained, and the obtained material for personal care hygiene products had a basis weight of 40 g/m 2 .
  • a material for personal care hygiene products prepared by the following steps:
  • the PE long fiber (2.98dtex ⁇ 70mm) and the PP long fiber (2.78dtex ⁇ 75mm) are loosely mixed according to the mass ratio of 1:1, and are made into PP/PE by spinning, laying and acupuncture.
  • Long-fiber blended non-woven fabric, with a basis weight of 30g/m 2 under which a layer of BOPP film (BOPP film thickness of 10 ⁇ m) is laminated by hot melt adhesive, and placed under the hot pressing roller of the hot press;
  • the hot press roller performs a letterpress hot press transfer process on the non-woven fabric via the coating and printing thermal transfer film, and the hot press roll of the hot press has a concave-convex pattern, and the hot press roll passes the heat of coating and printing.
  • the hot pressing of the transfer film and the non-woven fabric, the ink pattern coated on the printing thermal transfer film in step (2) is transferred onto the non-woven fabric;
  • the hot pressing temperature is 110 ° C, and the heating method is electromagnetic heating, hot pressing The pressure is 10 MPa, and the relative moving speed between the hot press roll and the non-woven fabric is 120 m/min;
  • a material for personal care hygiene products prepared by the following steps:
  • the PE short fiber (5.49dtex ⁇ 46mm) and the PP short fiber (6.45dtex ⁇ 48mm) are loosely mixed at a mass ratio of 1:4, and are made into a PP/PE by spinning, laying and acupuncture.
  • the short-fiber blended non-woven fabric has a gram weight of 30 g/m 2 , and a PE film (PE film thickness: 70 ⁇ m) is laminated under the hot melt adhesive under the heat-pressing machine;
  • the hot press roller performs a letterpress hot press transfer process on the non-woven fabric via the coating and printing thermal transfer film, and the hot press roll of the hot press has a concave-convex pattern, and the hot press roll passes the heat of coating and printing.
  • the hot pressing of the transfer film and the non-woven fabric, the ink pattern coated on the printing thermal transfer film in step (2) is transferred onto the non-woven fabric;
  • the hot pressing temperature is 110 ° C, and the heating method is electromagnetic heating, hot pressing The pressure is 10 MPa, and the relative moving speed between the hot press roll and the non-woven fabric is 120 m/min;
  • a material for personal care hygiene products prepared by the following steps:
  • PP long fiber (2.78 dtex ⁇ 75 mm) was made into PP long-fiber non-woven fabric with a weight of 30 g/m 2 , and a PE film (PE film thickness of 50 ⁇ m) was laminated under the solvent-type adhesive. Placed under the hot press roller of the hot press;
  • the hot press roller performs a letterpress hot press transfer process on the non-woven fabric via the coating and printing thermal transfer film, and the hot press roll of the hot press has a concave-convex pattern, and the hot press roll passes the heat of coating and printing.
  • the hot pressing of the transfer film and the non-woven fabric, the ink pattern coated on the printing thermal transfer film in step (2) is transferred onto the non-woven fabric;
  • the hot pressing temperature is 110 ° C, and the heating method is electromagnetic heating, hot pressing The pressure is 10 MPa, and the relative moving speed between the hot press roll and the non-woven fabric is 120 m/min;
  • a material for personal care hygiene products prepared by the following steps:
  • PP short fiber (6.45 dtex ⁇ 48 mm) was made into PP short fiber non-woven fabric with a basis weight of 27 g/m 2 , and a PE film (PE film thickness of 50 ⁇ m) was laminated under the solvent type adhesive. Placed under the hot press roller of the hot press;
  • the hot press roller performs a letterpress hot press transfer process on the non-woven fabric via the coating and printing thermal transfer film, and the hot press roll of the hot press has a concave-convex pattern, and the hot press roll passes the heat of coating and printing.
  • the hot pressing of the transfer film and the non-woven fabric, the ink pattern coated on the printing thermal transfer film in step (2) is transferred onto the non-woven fabric;
  • the hot pressing temperature is 110 ° C, and the heating method is electromagnetic heating, hot pressing The pressure is 10 MPa, and the relative moving speed between the hot press roll and the non-woven fabric is 120 m/min;
  • PBT slicing is made on the short fiber melt spinning equipment by spinning, winding, drawing and other processes to make PBT short fiber, the specification is 2.41dtex ⁇ 50mm, and the PBT short fiber is spun, laid, and needled. Reinforced, made of PBT short fiber non-woven fabric, with a weight of 35g/m 2 , placed under the hot pressing roller of the hot press;
  • the hot press roller performs a letterpress hot press transfer process on the non-woven fabric via the coating and printing thermal transfer film, and the hot press roll of the hot press has a concave-convex pattern, and the hot press roll passes the heat of coating and printing.
  • the hot pressing of the transfer film and the non-woven fabric, the ink pattern coated on the printing thermal transfer film in step (2) is transferred onto the non-woven fabric;
  • the hot pressing temperature is 110 ° C, and the heating method is electromagnetic heating, hot pressing The pressure is 10 MPa, and the relative moving speed between the hot press roll and the non-woven fabric is 120 m/min;
  • a material for personal care hygiene products prepared by the following steps:
  • PP short fiber (6.45 dtex ⁇ 48 mm) was made into PP short fiber nonwoven fabric as the upper layer, the basis weight was 20 g/m 2 , and PBT short fiber (2.41 dtex ⁇ 50 mm) made of PBT short fiber was non-woven.
  • the cloth is used as a lower layer, the gram weight is 15 g/m 2 , and the two layers of non-woven fabric are needle-punched and then placed under a hot pressing roller of a hot press;
  • the hot press roller performs a letterpress hot press transfer process on the non-woven fabric via the coating and printing thermal transfer film, and the hot press roll of the hot press has a concave-convex pattern, and the hot press roll passes the heat of coating and printing.
  • the hot pressing of the transfer film and the non-woven fabric, the ink pattern coated on the printing thermal transfer film in step (2) is transferred onto the non-woven fabric;
  • the hot pressing temperature is 180 ° C, and the heating method is electromagnetic heating, hot pressing The pressure is 2 MPa, and the relative moving speed between the hot press roll and the non-woven fabric is 120 m/min;
  • the materials for personal care hygiene products of Examples 5-17 and 1-2 were applied to the front waist of the diaper, and the upper surface of the uppermost PP/PE long fiber blended nonwoven fabric was rotated by the letterpress heat transfer.
  • the printing technology is formed with patterns and convex portions, such as lines, fish scales, diamonds, notes, ankles, etc., the surface fibers of the convex portion are fluffy, and are used in combination with the diaper Velcro to achieve sufficient peeling force.
  • Sample processing Place the diaper front waist and velcro (hook body) samples to be tested at 23 ⁇ 2°C, relative humidity 50 ⁇ 5% for more than 24 hours; along the Velcro (hook body) sample CD direction (cross direction) cut the Velcro (hook body) into a 25mm wide strip; use double-sided tape to affix the front waist of the diaper to the stainless steel plate and cover it with a thin paper. Protect, flatten it with a hand roller and mark the CD direction on it.
  • the diaper front waist sticker of the present invention the gram weight can be reduced to 35-50 g/m 2 , which is lighter, softer, more breathable, beautiful, and simple in preparation process, and S-cut Velcro (hook body)
  • the diaper front waist sticker 90° peeling force 0.6-6N/25mm, 180° shearing force is 35N/25mm; when used with Y-type Velcro (hook body), it conforms to the diaper front
  • the provisions of the waist patch 90 ° peel force 0.6-6N / 25mm, 180 ° shear force is greater than or equal to 22.5N / 25mm.

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Abstract

一种用于个人护理卫生用品的材料、制备方法和用途,该材料由热塑性聚合物纤维制成的无纺布或热塑性聚合物纤维制成的无纺布与薄膜的复合材料,经过热转印膜涂布印刷、凸版热压转印工艺而成。制得的材料大大降低了厚度和克重,提供了一种轻薄透气、舒适柔软、美观的用于个人护理卫生用品的材料。由于使用了热转印涂布印刷、凸版热压转印工艺,大大提升了用于个人护理卫生用品的材料的美观度、防伪效果,柔软舒适度,填补了用于个人护理卫生用品的材料全球领域的空白。

Description

一种用于个人护理卫生用品的材料、其制备方法及用途 技术领域
本发明涉及个人护理卫生用品领域,特别是涉及一种用于个人护理卫生用品的材料、其制备方法及用途。
背景技术
无纺布(英文名:Non Woven Fabric或者Nonwoven cloth)又称不织布、非织造布,是由定向的或随机的纤维而构成,是新一代环保材料,具有防潮、透气、柔韧、质轻、不助燃、容易分解、无毒无刺激性、色彩丰富、价格低廉、可循环再用等特点。如多采用高聚物粒料为原料,经高温熔融、喷丝、铺纲、热压卷取连续一步法生产而成。耐久性,一次性。绝缘,导电。柔软性,刚挺性。细密性,膨胀性。
无纺布由于其透气不透水、柔韧、质轻、耐磨、耐褶皱等优点,目前被广泛的应用于个人护理卫生用品中,如卫生巾和婴儿纸尿裤中。随着人们生活质量的提高,人们对个人护理卫生用品的要求也越来越高,消费者及生产厂家对其轻薄性、柔软性、透气性、美观性等均有较高要求。
个人护理卫生用品包括卫生巾、纸尿裤、手帕纸等,用于个人护理卫生用品的材料可以应用于卫生巾外包无纺布、卫生巾易撕贴、纸尿裤外表层无纺布、纸尿裤前腰贴、纸尿裤魔术贴、盒抽纸巾提把等。
例如,婴幼儿纸尿裤一般包括面层、透气薄膜层、外表层以及用于吸收液体的芯体,所述面层与透气薄膜层的内表面贴合连接,面层与透气薄膜层内表面之间设有空腔,空腔内设有芯体,外表层设置在透气薄膜层的外表面。目前市场上的纸尿裤为了在其外表层上进行图案的印刷热压烫印等工艺,通常采用较厚的材料来制作才能承受热压机的热压工艺,因此,不够轻薄、柔软、美观、亲肤。
例如,女性卫生巾为了确保其卫生性,通常是用外包膜一个个地单独实施包装的,一般所用的材料为树脂薄膜等。这种传统的包装方式不够轻薄、美观,且很容易在卫生巾上形成严重折痕,影响卫生巾的使用。通过传统的包装方式,当女性拿出卫生巾时,使女性显得非 常尴尬,所以一种外观美观,折叠包装方式不严重损伤卫生巾的卫生巾外包膜,能够使女性避免心里以及生理上的诸多痛苦。
又比如在纸尿裤前腰贴中的应用,魔术勾是一种常见的连接件,分魔术贴(勾面体)和纸尿裤前腰贴(毛面体)两部分,其通过将勾面体和毛面体分别固定在需要贴合的两个物件上,在使用时,将勾面体和毛面体贴紧,就可以使得两个物件贴合,拉开勾面体和毛面体,就可以使得两个物件分开,如此,可反复开合多次。由于魔术勾具有使用简单方便、美观舒适、可重复使用等优点,目前也被作为粘贴结构应用于部分婴幼儿纸尿裤的设计中。这种纸尿裤一般包括外包覆材料、内置吸收层、防漏底膜和魔术前腰贴、魔术扣组成。外包覆材料一般为无纺布,起渗透、隔离的作用;内置吸收层为绒毛浆和高分子吸水树脂混合而成,主要起吸收作用;防漏底膜的作用是防止渗漏,避免污染衣物,部分产品使用透气底膜来增强纸尿裤的透气性;魔术前腰贴(毛面体)和魔术贴(勾面体)则形成闭合利于婴幼儿穿戴。
由于纸尿布属于婴幼儿用品,因此对其舒适性、安全性、方便性等要求较高,魔术前腰贴需要柔软舒适、轻便可亲肤、凸感强、与魔术贴(勾面体)粘扣贴合后牢固不易分开。目前市场上的魔术前腰贴为了保证反复粘贴性好,一般由无纺布与塑料薄膜复合而成,通常比较厚重,比较硬,会导致婴幼儿穿戴后不够柔软舒适、轻薄、透气,印刷图案也不够美观。
CN 203425131 U公开了一种纸尿裤前腰贴复合结构,包括由高分子薄膜复合形成的衬底层,衬底层表面复合有热塑性聚合物的纤维层;衬底层表面具有若干凸部,在凸部上的纤维层呈蓬松状,复合在两两凸部间形成的凹部的纤维层呈紧密粘接状。由于它由衬底层和热塑性聚合物的纤维层复合而成,因此不够轻薄、柔软、透气。
CN 204218131 U公开了一种气垫魔术贴,包括底膜层和无纺布层,该无纺布层贴合至底膜层上表面,并形成有多个具有空腔且间隔分布的气垫区及多个紧密贴合的固定区,该固定区设置于相邻两气垫区之间。气垫区不会被永久性地压扁,展开进行加工时,气垫区的无纺布回弹依然能紧扣对应的钩形构件。该专利的魔术贴使用了无纺布和底膜层复合而成,因此不够轻薄、柔软、透气。
CN 204072506 U公开了一种纸尿裤无纺布膜与PE膜热压粘合结构,包括无纺布膜与PE膜,所述无纺布膜与PE膜连接部为电热压“线”粘合,所述连接部交叉形成“网状”结构,网眼内无纺布膜与PE膜不连接。该专利的粘合结构使用了无纺布和PE膜复合而成,因此不够轻薄、柔软、透气。
发明内容
为了解决现有技术中存在的上述问题,本发明提供了一种轻薄透气、舒适柔软、美观的用于个人护理卫生用品的材料,其由于使用了热转印涂布印刷、凸版热压转印工艺,大大提升了用于个人护理卫生用品的材料的美观度、轻薄透气性、柔软舒适度,填补了用于个人护理卫生用品的材料全球领域的空白。
本发明所采用的技术方案是:一种用于个人护理卫生用品的材料,其由由热塑性聚合物纤维制成的无纺布或热塑性聚合物纤维制成的无纺布与薄膜的复合材料,经过热转印膜涂布印刷、凸版热压转印工艺而成。
所述热塑性聚合物纤维选自聚丙烯(PP)纤维、聚乙烯(PE)纤维中的一种或多种;所述纤维可以为长纤维或短纤维。
所述热塑性聚合物纤维制成的无纺布为1-3层无纺布,每层无纺布独立的为PP纤维制成的无纺布,或PE纤维与PP纤维混纺制成的无纺布。
当由PE纤维与PP纤维混纺制成无纺布时,无纺布中PP纤维的重量百分比为20-80%,PE纤维的重量百分比为20-80%。
所述薄膜为PET薄膜、PE薄膜、BOPET薄膜或BOPP薄膜;所述薄膜复合在无纺布的下方。
优选的,所述薄膜为PE薄膜或BOPP薄膜;所述PE薄膜的厚度优选为10-50μm;所述BOPP薄膜的厚度优选为10-25μm。
当所述用于个人护理卫生用品的材料由热塑性聚合物纤维制成的无纺布与薄膜的复合材料,经过热转印膜涂布印刷、凸版热压转印工艺而成时,优选的,所述热塑性聚合物纤维制成的无纺布为1层无纺布,所述薄膜为1层薄膜。
本发明还提供了所述用于个人护理卫生用品的材料的制备方法,其包括如下步骤:
(1)将热塑性聚合物纤维制成的无纺布或热塑性聚合物纤维制成的无纺布与薄膜的复合材料,置于热压机的热压辊下;
(2)将一卷已经由油墨印刷的涂布印刷热转印膜覆盖在步骤(1)的无纺布上,使得油墨与无纺布相接触;
(3)热压辊隔着所述涂布印刷热转印膜对无纺布进行凸版热压转印工艺;
(4)剥离收卷步骤(2)的涂布印刷热转印膜。
优选的,
所述涂布印刷热转印膜为BOPP薄膜或BOPET薄膜;
所述涂布印刷热转印膜的厚度为8-100μm,优选为10-70μm。
步骤(3)所述的凸版热压转印工艺,具体是指在热压机的热压辊上具有凹凸花纹,热压辊通过对涂布印刷热转印膜和无纺布的热压,将步骤(2)涂布印刷热转印膜上的油墨图案转印到无纺布上。
所述热压可以采用气压、油压或液压等常规方式;热压温度为50-200℃,加热方式为电加热、油加热或电磁加热,热压压力为0.5-10MPa,热压辊与无纺布之间的相对移动速度为10-200m/min。
进一步优选的,热压温度为80-180℃,热压压力为2-10MPa,热压辊与无纺布之间的相对移动速度为20-120m/min。
本发明还提供了所述用于个人护理卫生用品的材料的用途,其可以用于卫生巾外包无纺布、卫生巾易撕贴、纸尿裤外表层无纺布、纸尿裤前腰贴、纸尿裤魔术贴、盒抽纸巾提把等。
本发明还提供了一种纸尿裤前腰贴,其由所述的用于个人护理卫生用品的材料经过剪裁而成,纸尿裤前腰贴的克重为35-50g/m2
当用于个人护理卫生用品的材料用于制备纸尿裤前腰贴时,本发明的几种具体技术方案如下:
(A)所述用于个人护理卫生用品的材料由热塑性聚合物纤维制 成的无纺布经过热转印膜涂布印刷、凸版热压转印工艺而成,无纺布的总克重为35-50g/m2
①所述无纺布为PP纤维制成的无纺布1-3层或PE纤维与PP纤维混纺制成的无纺布1-3层。
②所述无纺布为2层,自上而下依次为(本纸尿裤前腰贴的应用中定义靠近纸尿裤一侧为下方、与魔术贴勾面体接触的一侧为上方):
第1层:PP纤维制成的无纺布;
第2层:PE纤维与PP纤维混纺制成的无纺布。
③所述无纺布为3层,自上而下依次为:
第1层:PP纤维制成的无纺布;
第2层:PP纤维制成的无纺布或PE纤维与PP纤维混纺制成的无纺布;
第3层:PE纤维与PP纤维混纺制成的无纺布。
④所述无纺布为2层,自上而下依次为:
第1层:PE纤维与PP纤维混纺制成的无纺布;
第2层:PP纤维制成的无纺布。
⑤所述无纺布为3层,自上而下依次为:
第1层:PE纤维与PP纤维混纺制成的无纺布;
第2层:PP纤维制成的无纺布或PE纤维与PP纤维混纺制成的无纺布;
第3层:PP纤维制成的无纺布。
(B)所述用于个人护理卫生用品的材料由热塑性聚合物纤维制成的1层无纺布与1层薄膜的复合材料,经过热转印膜涂布印刷、凸版热压转印工艺而成;所述薄膜复合在无纺布的下方,无纺布与薄膜通过热熔胶或溶剂型胶涂布等工艺进行复合得到复合材料,复合材料的总克重优选为35-50g/m2;所述复合材料自上而下依次为:
第1层:PP纤维制成的无纺布或PE纤维与PP纤维混纺制成的无纺布;
第2层:PE薄膜或BOPP薄膜。
使用本发明的用于个人护理卫生用品的材料剪裁出的纸尿裤前腰贴的克重为35-50g/m2,与现有技术中的克重为60-70g/m2的纸尿裤 前腰贴相比,明显更加轻薄、柔软、美观、透气。
本发明还提供了一种卫生巾外包无纺布,其由所述的用于个人护理卫生用品的材料经过剪裁而成,卫生巾外包无纺布的克重为7-15g/m2
当用于个人护理卫生用品的材料用于制备卫生巾外包无纺布时,具体技术方案如下:所述用于个人护理卫生用品的材料由PP纤维制成的1层无纺布或PP纤维与PE纤维混纺制成的1层无纺布经过热转印膜涂布印刷、凸版热压转印工艺而成,无纺布的总克重为7-15g/m2
现有技术中的卫生巾外包膜一般为PE薄膜制备而成,克重为20-25g/m2,使用本发明的用于个人护理卫生用品的材料剪裁出的卫生巾外包无纺布的克重为7-15g/m2,明显更加轻薄、柔软、美观、透气,而且无纺布与现有技术中的PE薄膜有着明显不同的质感,而且无纺布通过本工艺而成,印刷图案具有防伪作用。
本发明还提供了一种纸尿裤外表层无纺布,其由所述的用于个人护理卫生用品的材料经过剪裁而成,纸尿裤外表层无纺布的克重为7-15g/m2
当用于个人护理卫生用品的材料用于制备纸尿裤外表层无纺布时,具体技术方案如下:所述用于个人护理卫生用品的材料由PP纤维制成的1层无纺布或PP纤维与PE纤维混纺制成的1层无纺布经过热转印膜涂布印刷、凸版热压转印工艺而成,无纺布的总克重为7-15g/m2
现有技术中的纸尿裤外表层一般为PE薄膜制备而成,克重为13-20g/m2,且没有印刷图案,使用本发明的用于个人护理卫生用品的材料剪裁出的纸尿裤外表层无纺布的克重为7-15g/m2,明显更加轻薄、柔软、美观、透气,而且无纺布通过本工艺而成,印刷图案具有防伪作用。
本发明还提供了一种卫生巾易撕贴,其由所述的用于个人护理卫 生用品的材料经过剪裁而成,卫生巾易撕贴的克重为48-55g/m2
当用于个人护理卫生用品的材料用于制备卫生巾易撕贴时,具体技术方案如下:所述用于个人护理卫生用品的材料由1层无纺布(PP纤维制成的无纺布或PP纤维与PE纤维混纺制成的无纺布)与1层BOPP或BOPET薄膜的复合材料经过热转印膜涂布印刷、凸版热压转印工艺而成,无纺布的克重约为25g/m2,卫生巾易撕贴的的克重约为48-55g/m2
现有技术中的卫生巾易撕贴一般为PP薄膜制备而成,克重>75g/m2,且没有印刷图案,使用本发明的用于个人护理卫生用品的材料剪裁出的卫生巾易撕贴的克重为48-55g/m2,明显更加轻薄、柔软、美观、透气,而且无纺布通过本工艺而成,印刷图案具有防伪作用。
本发明还提供了一种纸尿裤魔术贴,其由所述的用于个人护理卫生用品的材料经过剪裁而成,纸尿裤魔术贴的克重为45-60g/m2
当用于个人护理卫生用品的材料用于制备纸尿裤魔术贴时,具体技术方案如下:所述用于个人护理卫生用品的材料是由1-2层无纺布或其与1层薄膜(PE或BOPP薄膜)的复合材料经过热转印膜涂布印刷、凸版热压转印工艺而成;每层无纺布独立的为PP纤维制成的无纺布或PP纤维与PE纤维混纺制成的;纸尿裤魔术贴的总克重为45-60g/m2
现有技术中的纸尿裤魔术贴一般为无纺布淋PP薄膜等制备而成,克重为70-85g/m2,且没有印刷图案,使用本发明的用于个人护理卫生用品的材料剪裁出的纸尿裤魔术贴的克重为45-60g/m2,明显更加轻薄、柔软、美观、透气,而且无纺布通过本工艺而成,印刷图案具有防伪作用。而且无论是Y型魔术贴还是S切魔术贴,本发明的纸尿裤魔术贴与前腰贴之间的剥离力明显增大。
本发明还提供了一种盒抽纸巾提把,其由所述的用于个人护理卫生用品的材料经过剪裁而成,盒抽纸巾提把的克重为38-50g/m2
当用于个人护理卫生用品的材料用于制备盒抽纸巾提把时,具体技术方案如下:所述用于个人护理卫生用品的材料由1层无纺布(PP 纤维制成的无纺布或PP纤维与PE纤维混纺制成的无纺布)与1层BOPP薄膜的复合材料经过热转印膜涂布印刷、凸版热压转印工艺而成,盒抽纸巾提把的的克重约为38-50g/m2
现有技术中的盒抽纸巾提把一般为BOPP薄膜制备而成,克重为45-50g/m2,很硬,割手,不够结实,仅有薄膜传统的印刷图案,不能防伪也不够美观,使用本发明的用于个人护理卫生用品的材料剪裁出的盒抽纸巾提把的克重为38-50g/m2,更加轻薄,而且本发明以无纺布为主要原料,明显柔软、美观、透气,而且无纺布通过本工艺而成,印刷图案具有防伪作用。
有益效果
本发明采取在无纺布上覆盖一层涂布印刷热转印膜的方式进行凸版热压转印等工艺,使得本发明使用轻薄甚至单层的热塑性聚合物纤维层制成的无纺布就可以承受热压的温度和压力,从而使得本发明的制得的用于个人护理卫生用品的材料大大降低了厚度和克重;更加轻薄、透气、柔软、舒适。
同时,制备过程还可以将复合、印刷、热压、烫印工艺合并为一步,减少工序,缩短了无纺布承受的加热、加压的时间,提高了制得的用于个人护理卫生用品的材料的质量,由于涂布印刷(热转印)、凸版热压转印工艺的诞生,填补了用于个人护理卫生用品的材料全球领域的空白,最为突出的特点:大大提升个人护理卫生用品用品的美观度和防伪效果的一种用于个人护理卫生用品的材料。
当其应用于卫生巾外包无纺布时,将每个卫生巾单独包装起来,比现有技术中的树脂薄膜更加轻薄,携带方便,而且无纺布的弹性佳,卫生巾放入无纺布外包无纺布后所受到的折叠损伤要低于树脂薄膜的外包膜;而且在其表面进行凸版热压转印工艺后,会形成有凹凸感的立体图案,更加美观,可以减少女性使用携带卫生巾时的尴尬感,这种凸版热压转印工艺还可以将商标、防伪标识、卡通图案,公益宣传用语,个性化设计等印刷在外包无纺布上。
当其应用于纸尿裤外表层无纺布时,纸尿裤包括面层、透气薄膜层、外表层以及用于吸收液体的芯体,所述面层与透气薄膜层的内表 面贴合连接,面层与透气薄膜层内表面之间设有空腔,空腔内设有芯体,外表层设置在透气薄膜层的外表面。使用本发明的材料作为纸尿裤外表层无纺布,更加轻薄、柔软、美观、亲肤。
当其应用于纸尿裤前腰贴时,大大降低了厚度度和克重,从现有技术的60-70g/m2降低到了35-50g/m2;更加轻薄、柔软、舒适。同时,制备过程还可以将复合、印刷、热压、烫印工艺合并为一步,减少工序,缩短了无纺布承受的加热、加压的时间,提高了制得的纸尿裤前腰贴的质量,同时还增强了纸尿裤前腰贴与纸尿裤魔术贴之间的剥离力,大大提升纸尿裤产品的美观度的一种纸尿裤前腰贴。
附图说明
图1为实施例1所涉及的卫生巾的结构示意图;
图2为实施例2所涉及的纸尿裤的示意图;
图3为图2中A-A’剖视图。
具体实施方式
下面将结合实施例,对本发明作进一步的说明。
实施例1
一种用于个人护理卫生用品的材料,其由如下步骤制备:
(1)将PP切片在短纤维熔纺设备上经过纺丝、卷绕、牵伸等工艺制成PP短纤维,规格为6.45dtex×48mm,将PP短纤维通过喷丝、铺网,针刺加固,制成PP短纤维无纺布,将PP短纤维无纺布置于热压机的热压辊下;
(2)用油墨在涂布印刷热转印膜(BOPP薄膜,厚度10μm)的一面涂布印刷制作图案,然后将涂布印刷热转印膜覆盖在步骤(1)的无纺布上,使得油墨与无纺布相接触;
(3)热压辊隔着所述涂布印刷热转印膜对PP短纤维无纺布进行凸版热压转印工艺,热压机的热压辊上具有凹凸花纹,热压辊通过对涂布印刷热转印膜和无纺布的热压,将步骤(2)涂布印刷热转印膜上的油墨图案转印到无纺布上;热压温度为80℃,加热方式为电磁 加热,热压压力为2MPa,热压辊与无纺布之间的相对移动速度为50m/min;
(4)剥离收卷步骤(2)的涂布印刷热转印膜,得到的用于个人护理卫生用品的材料,克重为7g/m2
当其应用于卫生巾外包无纺布时,如图1所示,人卫生护理用品外包无纺布1将每个卫生巾3单独包装起来,比现有技术中的树脂薄膜更加轻薄,携带方便,而且无纺布的弹性佳,卫生巾放入无纺布外包无纺布后所受到的折叠损伤要低于树脂薄膜的外包膜;而且在其表面进行凸版热压转印工艺后,会形成有凹凸感的立体图案,更加美观,可以减少女性使用携带卫生巾时的尴尬感,这种凸版热压转印工艺还可以将商标、防伪标识、广告宣传用语等印刷在外包无纺布上。
实施例2
一种用于个人护理卫生用品的材料,其由如下步骤制备:
(1)将PP切片在长纤维熔纺设备上经过纺丝、卷绕、牵伸等工艺制成PP长纤维,规格为2.78dtex×75mm,将PP长纤维通过喷丝、铺网,水刺加固,制成PP长纤维无纺布,将PP长纤维无纺布置于热压机的热压辊下;
(2)用油墨在涂布印刷热转印膜(BOPP薄膜,厚度80μm)的一面涂布印刷制作图案,然后将涂布印刷热转印膜覆盖在步骤(1)的无纺布上,使得油墨与无纺布相接触;
(3)热压辊隔着所述涂布印刷热转印膜对PP长纤维无纺布进行凸版热压转印工艺,热压机的热压辊上具有凹凸花纹,热压辊通过对涂布印刷热转印膜和无纺布的热压,将步骤(2)涂布印刷热转印膜上的油墨图案转印到无纺布上;热压温度为100℃,加热方式为电磁加热,热压压力为8MPa,热压辊与无纺布之间的相对移动速度为50m/min;
(4)剥离收卷步骤(2)的涂布印刷热转印膜,得到的用于个人护理卫生用品的材料,克重为12g/m2
当其应用于纸尿裤外表层无纺布时,如图2-3所示,纸尿裤包括面层41、透气薄膜层43、用于吸收液体的芯体42,所述面层41与透气薄膜层42内表面之间设有空腔,空腔内设有用于吸收液体的芯 体芯体42,用于个人护理卫生用品的材料1设置在透气薄膜层的外表面作为纸尿裤的外表层无纺布。使用本发明的材料作为纸尿裤外表层无纺布,更加轻薄、柔软、美观、亲肤。
实施例3
一种用于个人护理卫生用品的材料,其由如下步骤制备:
(1)将PE切片在短纤维熔纺设备上经过纺丝、卷绕、牵伸等工艺制成PE短纤维,规格为5.49dtex×46mm,将PP短纤维(6.45dtex×48mm)与PE短纤维按质量比1:1开松混匀,通过喷丝、铺网,水刺加固,制成PP/PE短纤维混纺无纺布,将PP/PE短纤维混纺无纺布置于热压机的热压辊下;
(2)用油墨在涂布印刷热转印膜(BOPET薄膜,厚度20μm)的一面涂布印刷制作图案,然后将涂布印刷热转印膜覆盖在步骤(1)的无纺布上,使得油墨与无纺布相接触;
(3)热压辊隔着所述涂布印刷热转印膜对PP/PE短纤维混纺无纺布进行凸版热压转印工艺,热压机的热压辊上具有凹凸花纹,热压辊通过对涂布印刷热转印膜和无纺布的热压,将步骤(2)涂布印刷热转印膜上的油墨图案转印到无纺布上;热压温度为180℃,加热方式为电磁加热,热压压力为2MPa,热压辊与无纺布之间的相对移动速度为120m/min;
(4)剥离收卷步骤(2)的涂布印刷热转印膜,得到的用于个人护理卫生用品的材料,克重为15g/m2
实施例4
一种用于个人护理卫生用品的材料,其由如下步骤制备:
(1)将PE切片在长纤维熔纺设备上经过纺丝、卷绕、牵伸等工艺制成PE长纤维,规格为2.98dtex×70mm,将PP长纤维(2.78dtex×75mm)与PE长纤维按质量比4:1开松混匀,通过喷丝、铺网,针刺加固,制成PP/PE长纤维混纺无纺布,将PP/PE长纤维混纺无纺布置于热压机的热压辊下;
(2)用油墨在涂布印刷热转印膜(BOPP薄膜,厚度10μm)的一面涂布印刷制作图案,然后将涂布印刷热转印膜覆盖在步骤(1)的无纺布上,使得油墨与无纺布相接触;
(3)热压辊隔着所述涂布印刷热转印膜对PP/PE长纤维混纺无纺布进行凸版热压转印工艺,热压机的热压辊上具有凹凸花纹,热压辊通过对涂布印刷热转印膜和无纺布的热压,将步骤(2)涂布印刷热转印膜上的油墨图案转印到无纺布上;热压温度为100℃,加热方式为电磁加热,热压压力为2MPa,热压辊与无纺布之间的相对移动速度为20m/min;
(4)剥离收卷步骤(2)的涂布印刷热转印膜,得到的用于个人护理卫生用品的材料,克重为15g/m2
实施例5
一种用于个人护理卫生用品的材料,其由如下步骤制备:
(1)将PE长纤维(2.98dtex×70mm)与PP长纤维(2.78dtex×75mm)按质量比1:2开松混匀,通过喷丝、铺网,针刺加固,制成PP/PE长纤维混纺无纺布,克重为15g/m2,将PP长纤维(2.78dtex×75mm)通过喷丝、铺网,针刺加固,制成PP长纤维无纺布,克重为18g/m2,将一层PP/PE长纤维混纺无纺布与两层PP长纤维无纺布按照自上而下的顺序针刺复合后,置于热压机的热压辊下;
(2)用油墨在涂布印刷热转印膜(BOPP薄膜,厚度50μm)的一面涂布印刷制作图案,然后将涂布印刷热转印膜覆盖在步骤(1)的无纺布上,使得油墨与无纺布相接触;
(3)热压辊隔着所述涂布印刷热转印膜对无纺布进行凸版热压转印工艺,热压机的热压辊上具有凹凸花纹,热压辊通过对涂布印刷热转印膜和无纺布的热压,将步骤(2)涂布印刷热转印膜上的油墨图案转印到无纺布上;热压温度为110℃,加热方式为电磁加热,热压压力为10MPa,热压辊与无纺布之间的相对移动速度为120m/min;
(4)剥离收卷步骤(2)的涂布印刷热转印膜,得到的用于个人护理卫生用品的材料,克重为48g/m2
实施例6
一种用于个人护理卫生用品的材料,其由如下步骤制备:
(1)将PE短纤维(5.49dtex×46mm)与PP短纤维(6.45dtex×48mm)按质量比1:4开松混匀,通过喷丝、铺网,针刺 加固,制成PP/PE短纤维混纺无纺布,克重为15g/m2,将PP短纤维(6.45dtex×48mm)通过喷丝、铺网,针刺加固,制成PP短纤维无纺布,克重为18g/m2,将两层PP/PE短纤维混纺无纺布与一层PP短纤维无纺布按照自上而下的顺序针刺复合后,置于热压机的热压辊下;
(2)用油墨在涂布印刷热转印膜(BOPET薄膜,厚度80μm)的一面涂布印刷制作图案,然后将涂布印刷热转印膜覆盖在步骤(1)的无纺布上,使得油墨与无纺布相接触;
(3)热压辊隔着所述涂布印刷热转印膜对无纺布进行凸版热压转印工艺,热压机的热压辊上具有凹凸花纹,热压辊通过对涂布印刷热转印膜和无纺布的热压,将步骤(2)涂布印刷热转印膜上的油墨图案转印到无纺布上;热压温度为110℃,加热方式为电磁加热,热压压力为10MPa,热压辊与无纺布之间的相对移动速度为120m/min;
(4)剥离收卷步骤(2)的涂布印刷热转印膜,得到的用于个人护理卫生用品的材料,克重为48g/m2
实施例7
一种用于个人护理卫生用品的材料,其由如下步骤制备:
(1)将PP切片在短纤维熔纺设备上经过纺丝、卷绕、牵伸等工艺制成PP短纤维,规格为6.45dtex×48mm,将PP短纤维通过喷丝、铺网,针刺加固,制成1层PP短纤维无纺布,将PP短纤维无纺布置于热压机的热压辊下;
(2)用油墨在涂布印刷热转印膜(BOPP薄膜,厚度10μm)的一面涂布印刷制作图案,然后将涂布印刷热转印膜覆盖在步骤(1)的无纺布上,使得油墨与无纺布相接触;
(3)热压辊隔着所述涂布印刷热转印膜对PP短纤维无纺布进行凸版热压转印工艺,热压机的热压辊上具有凹凸花纹,热压辊通过对涂布印刷热转印膜和无纺布的热压,将步骤(2)涂布印刷热转印膜上的油墨图案转印到无纺布上;热压温度为80℃,加热方式为电磁加热,热压压力为2MPa,热压辊与无纺布之间的相对移动速度为50m/min;
(4)剥离收卷步骤(2)的涂布印刷热转印膜,得到的用于个人 护理卫生用品的材料,克重为35g/m2
实施例8
一种用于个人护理卫生用品的材料,其由如下步骤制备:
(1)将PP切片在长纤维熔纺设备上经过纺丝、卷绕、牵伸等工艺制成PP长纤维,规格为2.78dtex×75mm,将PP长纤维通过喷丝、铺网,水刺加固,制成1层PP长纤维无纺布,将PP长纤维无纺布置于热压机的热压辊下;
(2)用油墨在涂布印刷热转印膜(BOPET薄膜,厚度80μm)的一面涂布印刷制作图案,然后将涂布印刷热转印膜覆盖在步骤(1)的无纺布上,使得油墨与无纺布相接触;
(3)热压辊隔着所述涂布印刷热转印膜对PP长纤维无纺布进行凸版热压转印工艺,热压机的热压辊上具有凹凸花纹,热压辊通过对涂布印刷热转印膜和无纺布的热压,将步骤(2)涂布印刷热转印膜上的油墨图案转印到无纺布上;热压温度为100℃,加热方式为电磁加热,热压压力为8MPa,热压辊与无纺布之间的相对移动速度为50m/min;
(4)剥离收卷步骤(2)的涂布印刷热转印膜,得到的用于个人护理卫生用品的材料,克重为35g/m2
实施例9
一种用于个人护理卫生用品的材料,其由如下步骤制备:
(1)将PE切片在短纤维熔纺设备上经过纺丝、卷绕、牵伸等工艺制成PE短纤维,规格为5.49dtex×46mm,将PP短纤维(6.45dtex×48mm)与PE短纤维按质量比1:1开松混匀,通过喷丝、铺网,水刺加固,制成1层PP/PE短纤维混纺无纺布,将PP/PE短纤维混纺无纺布置于热压机的热压辊下;
(2)用油墨在涂布印刷热转印膜(BOPET薄膜,厚度20μm)的一面涂布印刷制作图案,然后将涂布印刷热转印膜覆盖在步骤(1)的无纺布上,使得油墨与无纺布相接触;
(3)热压辊隔着所述涂布印刷热转印膜对PP/PE短纤维混纺无纺布进行凸版热压转印工艺,热压机的热压辊上具有凹凸花纹,热压辊通过对涂布印刷热转印膜和无纺布的热压,将步骤(2)涂布印刷 热转印膜上的油墨图案转印到无纺布上;热压温度为180℃,加热方式为电磁加热,热压压力为2MPa,热压辊与无纺布之间的相对移动速度为120m/min;
(4)剥离收卷步骤(2)的涂布印刷热转印膜,得到的用于个人护理卫生用品的材料,克重为50g/m2
实施例10
一种用于个人护理卫生用品的材料,其由如下步骤制备:
(1)将PE切片在长纤维熔纺设备上经过纺丝、卷绕、牵伸等工艺制成PE长纤维,规格为2.98dtex×70mm,将PP长纤维(2.78dtex×75mm)与PE长纤维按质量比4:1开松混匀,通过喷丝、铺网,针刺加固,制成1层PP/PE长纤维混纺无纺布,将PP/PE长纤维混纺无纺布置于热压机的热压辊下;
(2)用油墨在涂布印刷热转印膜(BOPP薄膜,厚度10μm)的一面涂布印刷制作图案,然后将涂布印刷热转印膜覆盖在步骤(1)的无纺布上,使得油墨与无纺布相接触;
(3)热压辊隔着所述涂布印刷热转印膜对PP/PE长纤维混纺无纺布进行凸版热压转印工艺,热压机的热压辊上具有凹凸花纹,热压辊通过对涂布印刷热转印膜和无纺布的热压,将步骤(2)涂布印刷热转印膜上的油墨图案转印到无纺布上;热压温度为100℃,加热方式为电磁加热,热压压力为2MPa,热压辊与无纺布之间的相对移动速度为20m/min;
(4)剥离收卷步骤(2)的涂布印刷热转印膜,得到的用于个人护理卫生用品的材料,克重为45g/m2
实施例11
一种用于个人护理卫生用品的材料,其由如下步骤制备:
(1)将PE短纤维(5.49dtex×46mm)与PP短纤维(6.45dtex×48mm)按质量比1:1开松混匀,通过喷丝、铺网,针刺加固,制成PP/PE短纤维混纺无纺布作为上层,克重为20g/m2,将PP短纤维(6.45dtex×48mm)制成的无纺布作为下层,克重为15g/m2,将两层无纺布针刺复合后,置于热压机的热压辊下;
(2)用油墨在涂布印刷热转印膜(BOPP薄膜,厚度20μm) 的一面涂布印刷制作图案,然后将涂布印刷热转印膜覆盖在步骤(1)的无纺布上,使得油墨与无纺布相接触;
(3)热压辊隔着所述涂布印刷热转印膜对无纺布进行凸版热压转印工艺,热压机的热压辊上具有凹凸花纹,热压辊通过对涂布印刷热转印膜和无纺布的热压,将步骤(2)涂布印刷热转印膜上的油墨图案转印到无纺布上;热压温度为180℃,加热方式为电磁加热,热压压力为2MPa,热压辊与无纺布之间的相对移动速度为120m/min;
(4)剥离收卷步骤(2)的涂布印刷热转印膜,得到的用于个人护理卫生用品的材料,克重为35g/m2
实施例12
一种用于个人护理卫生用品的材料,其由如下步骤制备:
(1)将PE短纤维(5.49dtex×46mm)与PP短纤维(6.45dtex×48mm)按质量比1:1开松混匀,通过喷丝、铺网,针刺加固,制成PP/PE短纤维混纺无纺布,克重为18g/m2,将两层PP/PE短纤维混纺无纺布针刺复合后,置于热压机的热压辊下;
(2)用油墨在涂布印刷热转印膜(BOPET薄膜,厚度80μm)的一面涂布印刷制作图案,然后将涂布印刷热转印膜覆盖在步骤(1)的无纺布上,使得油墨与无纺布相接触;
(3)热压辊隔着所述涂布印刷热转印膜对无纺布进行凸版热压转印工艺,热压机的热压辊上具有凹凸花纹,热压辊通过对涂布印刷热转印膜和无纺布的热压,将步骤(2)涂布印刷热转印膜上的油墨图案转印到无纺布上;热压温度为110℃,加热方式为电磁加热,热压压力为10MPa,热压辊与无纺布之间的相对移动速度为120m/min;
(4)剥离收卷步骤(2)的涂布印刷热转印膜,得到的用于个人护理卫生用品的材料,克重为36g/m2
实施例13
一种用于个人护理卫生用品的材料,其由如下步骤制备:
(1)将PP短纤维(6.45dtex×48mm)通过喷丝、铺网,针刺加固,制成PP短纤维无纺布,克重为20g/m2,将两层PP短纤维无纺布针刺复合后,置于热压机的热压辊下;
(2)用油墨在涂布印刷热转印膜(BOPET薄膜,厚度80μm) 的一面涂布印刷制作图案,然后将涂布印刷热转印膜覆盖在步骤(1)的无纺布上,使得油墨与无纺布相接触;
(3)热压辊隔着所述涂布印刷热转印膜对无纺布进行凸版热压转印工艺,热压机的热压辊上具有凹凸花纹,热压辊通过对涂布印刷热转印膜和无纺布的热压,将步骤(2)涂布印刷热转印膜上的油墨图案转印到无纺布上;热压温度为110℃,加热方式为电磁加热,热压压力为10MPa,热压辊与无纺布之间的相对移动速度为120m/min;
(4)剥离收卷步骤(2)的涂布印刷热转印膜,得到的用于个人护理卫生用品的材料,克重为40g/m2
实施例14
一种用于个人护理卫生用品的材料,其由如下步骤制备:
(1)将PE长纤维(2.98dtex×70mm)与PP长纤维(2.78dtex×75mm)按质量比1:1开松混匀,通过喷丝、铺网,针刺加固,制成PP/PE长纤维混纺无纺布,克重为30g/m2,在其下方通过热熔胶复合一层BOPP薄膜(BOPP薄膜厚度为10μm),置于热压机的热压辊下;
(2)用油墨在涂布印刷热转印膜(BOPP薄膜,厚度50μm)的一面涂布印刷制作图案,然后将涂布印刷热转印膜覆盖在步骤(1)的无纺布上,使得油墨与无纺布相接触;
(3)热压辊隔着所述涂布印刷热转印膜对无纺布进行凸版热压转印工艺,热压机的热压辊上具有凹凸花纹,热压辊通过对涂布印刷热转印膜和无纺布的热压,将步骤(2)涂布印刷热转印膜上的油墨图案转印到无纺布上;热压温度为110℃,加热方式为电磁加热,热压压力为10MPa,热压辊与无纺布之间的相对移动速度为120m/min;
(4)剥离收卷步骤(2)的涂布印刷热转印膜,得到的用于个人护理卫生用品的材料,克重为37g/m2
实施例15
一种用于个人护理卫生用品的材料,其由如下步骤制备:
(1)将PE短纤维(5.49dtex×46mm)与PP短纤维(6.45dtex×48mm)按质量比1:4开松混匀,通过喷丝、铺网,针刺加固,制成PP/PE短纤维混纺无纺布,克重为30g/m2,在其下方通 过热熔胶复合一层PE薄膜(PE薄膜厚度为70μm),置于热压机的热压辊下;
(2)用油墨在涂布印刷热转印膜(BOPP薄膜,厚度50μm)的一面涂布印刷制作图案,然后将涂布印刷热转印膜覆盖在步骤(1)的无纺布上,使得油墨与无纺布相接触;
(3)热压辊隔着所述涂布印刷热转印膜对无纺布进行凸版热压转印工艺,热压机的热压辊上具有凹凸花纹,热压辊通过对涂布印刷热转印膜和无纺布的热压,将步骤(2)涂布印刷热转印膜上的油墨图案转印到无纺布上;热压温度为110℃,加热方式为电磁加热,热压压力为10MPa,热压辊与无纺布之间的相对移动速度为120m/min;
(4)剥离收卷步骤(2)的涂布印刷热转印膜,得到的用于个人护理卫生用品的材料,克重为43g/m2
实施例16
一种用于个人护理卫生用品的材料,其由如下步骤制备:
(1)将PP长纤维(2.78dtex×75mm)制成PP长纤维无纺布,克重为30g/m2,在其下方通过溶剂型胶复合一层PE薄膜(PE薄膜厚度为50μm),置于热压机的热压辊下;
(2)用油墨在涂布印刷热转印膜(BOPET薄膜,厚度50μm)的一面涂布印刷制作图案,然后将涂布印刷热转印膜覆盖在步骤(1)的无纺布上,使得油墨与无纺布相接触;
(3)热压辊隔着所述涂布印刷热转印膜对无纺布进行凸版热压转印工艺,热压机的热压辊上具有凹凸花纹,热压辊通过对涂布印刷热转印膜和无纺布的热压,将步骤(2)涂布印刷热转印膜上的油墨图案转印到无纺布上;热压温度为110℃,加热方式为电磁加热,热压压力为10MPa,热压辊与无纺布之间的相对移动速度为120m/min;
(4)剥离收卷步骤(2)的涂布印刷热转印膜,得到的用于个人护理卫生用品的材料,克重为39g/m2
实施例17
一种用于个人护理卫生用品的材料,其由如下步骤制备:
(1)将PP短纤维(6.45dtex×48mm)制成PP短纤维无纺布,克重为27g/m2,在其下方通过溶剂型胶复合一层PE薄膜(PE薄膜 厚度为50μm),置于热压机的热压辊下;
(2)用油墨在涂布印刷热转印膜(BOPET薄膜,厚度50μm)的一面涂布印刷制作图案,然后将涂布印刷热转印膜覆盖在步骤(1)的无纺布上,使得油墨与无纺布相接触;
(3)热压辊隔着所述涂布印刷热转印膜对无纺布进行凸版热压转印工艺,热压机的热压辊上具有凹凸花纹,热压辊通过对涂布印刷热转印膜和无纺布的热压,将步骤(2)涂布印刷热转印膜上的油墨图案转印到无纺布上;热压温度为110℃,加热方式为电磁加热,热压压力为10MPa,热压辊与无纺布之间的相对移动速度为120m/min;
(4)剥离收卷步骤(2)的涂布印刷热转印膜,得到的用于个人护理卫生用品的材料,克重为36g/m2
对比例1
(1)将PBT切片在短纤维熔纺设备上经过纺丝、卷绕、牵伸等工艺制成PBT短纤维,规格为2.41dtex×50mm,将PBT短纤维通过喷丝、铺网,针刺加固,制成PBT短纤维无纺布,,克重为35g/m2,置于热压机的热压辊下;
(2)用油墨在涂布印刷热转印膜(BOPET薄膜,厚度50μm)的一面涂布印刷制作图案,然后将涂布印刷热转印膜覆盖在步骤(1)的无纺布上,使得油墨与无纺布相接触;
(3)热压辊隔着所述涂布印刷热转印膜对无纺布进行凸版热压转印工艺,热压机的热压辊上具有凹凸花纹,热压辊通过对涂布印刷热转印膜和无纺布的热压,将步骤(2)涂布印刷热转印膜上的油墨图案转印到无纺布上;热压温度为110℃,加热方式为电磁加热,热压压力为10MPa,热压辊与无纺布之间的相对移动速度为120m/min;
(4)剥离收卷步骤(2)的涂布印刷热转印膜,得到的用于个人护理卫生用品的材料,克重为35g/m2
对比例2
一种用于个人护理卫生用品的材料,其由如下步骤制备:
(1)将PP短纤维(6.45dtex×48mm)制成PP短纤维无纺布作为上层,克重为20g/m2,将PBT短纤维(2.41dtex×50mm)制成的PBT短纤维无纺布作为下层,克重为15g/m2,将两层无纺布针刺复 合后,置于热压机的热压辊下;
(2)用油墨在涂布印刷热转印膜(BOPP薄膜,厚度20μm)的一面涂布印刷制作图案,然后将涂布印刷热转印膜覆盖在步骤(1)的无纺布上,使得油墨与无纺布相接触;
(3)热压辊隔着所述涂布印刷热转印膜对无纺布进行凸版热压转印工艺,热压机的热压辊上具有凹凸花纹,热压辊通过对涂布印刷热转印膜和无纺布的热压,将步骤(2)涂布印刷热转印膜上的油墨图案转印到无纺布上;热压温度为180℃,加热方式为电磁加热,热压压力为2MPa,热压辊与无纺布之间的相对移动速度为120m/min;
(4)剥离收卷步骤(2)的涂布印刷热转印膜,得到的用于个人护理卫生用品的材料,克重为35g/m2
测试例
将实施例5-17以及对比文件1-2的用于个人护理卫生用品的材料均应用于纸尿裤前腰贴,位于最上层的PP/PE长纤维混纺无纺布的上表面由于凸版热压转印技术形成有图案和凸部,如线条状、鱼鳞状、菱形、音符,脚丫等,该凸部的表面纤维呈蓬松装,用于与纸尿裤魔术贴粘扣相结合达到足够的剥离力。
将实施例5-17以及对比文件1-2的用于个人护理卫生用品的材料制得纸尿裤前腰贴,对纸尿裤前腰贴(毛面体)和魔术贴(勾面体)之间的90°剥离力和180°剪切力进行测试。测试结果见表1。
表1 90°剥离力和180°剥离力测试结果
Figure PCTCN2016096831-appb-000001
Figure PCTCN2016096831-appb-000002
样品的处理:将待测试的纸尿裤前腰贴和魔术贴(勾面体)试样在23±2℃,相对湿度50±5%条件下放置24小时以上;沿着魔术贴(勾面体)试样的CD方向(交叉方向)将魔术贴(勾面体)裁剪成25mm宽的试样条;用双面胶带将纸尿裤前腰贴平贴固定于不锈钢板上,并在其上覆盖一层薄纸作为保护,用手辊将之平整,并在其上标注CD方向。
(1)90°剥离力的测试方法:
①将制得的魔术贴(勾面体)平贴到纸尿裤前腰贴上,标记纸尿裤前腰贴左右侧,用自动滚压机来回滚压一次;
②将贴有纸尿裤前腰贴的钢板固定在桌面上,在左右两侧的魔术贴(勾面体)上自由悬挂1kg砝码,5秒后取下;
③将贴有纸尿裤前腰贴的钢板固定在拉力机下夹头处的支撑平台上,魔术贴(勾面体)的自由端夹于拉力机上夹头,启动拉力机,上夹头以300mm/min的速度向上运动;
④记录剥离曲线20%~80%部分的剥离力的平均值,测试结果取5次的平均数,保留到小数点后一位;
(2)180°剪切力的测试方法:
①将制得的魔术贴(勾面体)平贴到纸尿裤前腰贴上,标记纸尿裤前腰贴左右侧,用自动滚压机来回滚压一次;
②将魔术贴(勾面体)自由端夹于拉力机上夹头,贴有纸尿裤前腰贴的钢板固定于拉力机下夹头,启动拉力机,上夹头以300mm/min的速度向上运动,测试结果取5次的平均数,保留到小数点后一位。
由上表数据可见,使用本发明的纸尿裤前腰贴,可以将克重降低 到35-50g/m2,更加轻薄,柔软,透气,美观,且制备工艺简单,与S切魔术贴(勾面体)搭配使用时,符合纸尿裤前腰贴的规定:90°剥离力0.6-6N/25mm,180°剪切力大于等于35N/25mm;与Y型魔术贴(勾面体)搭配使用时,符合纸尿裤前腰贴的规定:90°剥离力0.6-6N/25mm,180°剪切力大于等于22.5N/25mm。
以上显示和描述了本发明的基本原理、主要特征及优点。本行业的技术人员应该了解,本发明不受上述实施例的限制,上述实施例和说明书中描述的只是说明本发明的原理,在不脱离本发明精神和范围的前提下,本发明还会有各种变化和改进,这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其等效物界定。

Claims (15)

  1. 一种用于个人护理卫生用品的材料,其特征在于:其由热塑性聚合物纤维制成的无纺布或热塑性聚合物纤维制成的无纺布与薄膜的复合材料,经过热转印膜涂布印刷、凸版热压转印工艺而成。
  2. 如权利要求1所述的用于个人护理卫生用品的材料,其特征在于:所述热塑性聚合物纤维选自PP纤维、PE纤维中的一种或多种。
  3. 如权利要求2所述的用于个人护理卫生用品的材料,其特征在于:所述热塑性聚合物纤维制成的无纺布为1-3层无纺布,每层无纺布独立的为PP纤维制成的无纺布,或PE纤维与PP纤维混纺制成的无纺布。
  4. 如权利要求1所述的用于个人护理卫生用品的材料,其特征在于:其由热塑性聚合物纤维制成的无纺布与薄膜的复合材料,经过热转印膜涂布印刷、凸版热压转印工艺而成;所述无纺布为1层,所述薄膜为1层,所述薄膜复合在无纺布的下方;所述薄膜为PE薄膜或BOPP薄膜;所述PE薄膜的厚度优选为10-50μm;所述BOPP薄膜的厚度优选为10-25μm。
  5. 权利要求1-4中任一项所述用于个人护理卫生用品的材料的制备方法,其特征在于,包括如下步骤:
    (1)将热塑性聚合物纤维制成的无纺布或热塑性聚合物纤维制成的无纺布与薄膜的复合材料,置于热压机的热压辊下;
    (2)将一卷已经由油墨印刷的涂布印刷热转印膜覆盖在步骤(1)的无纺布上,使得油墨与无纺布相接触;
    (3)热压辊隔着所述涂布印刷热转印膜对无纺布进行凸版热压转印工艺;
    (4)剥离收卷步骤(2)的涂布印刷热转印膜。
  6. 如权利要求5所述的制备方法,其特征在于:所述涂布印刷热转印膜为BOPP薄膜或BOPET薄膜。
  7. 如权利要求6所述的制备方法,其特征在于:所述涂布印刷热转印膜的厚度为8-100μm。
  8. 如权利要求5所述的制备方法,其特征在于:所述热压采用气压、油压或液压方式;热压温度为50-200℃,加热方式为电加热、油加热或电磁加热,热压压力为0.5-10MPa,热压辊与无纺布之间的相对移动速度为10-200m/min。
  9. 权利要求1-4中任一项所述用于个人护理卫生用品的材料的用途,其用于卫生巾外包无纺布、卫生巾易撕贴、纸尿裤外表层无纺布、纸尿裤前腰贴、纸尿裤魔术贴、盒抽纸巾提把。
  10. 一种纸尿裤前腰贴,其由权利要求1-4中任一项所述的用于个人护理卫生用品的材料经剪裁而成,纸尿裤前腰贴的总克重为35-50g/m2
  11. 一种卫生巾外包无纺布,其由权利要求1-3中任一项所述的用于个人护理卫生用品的材料经剪裁而成,卫生巾外包无纺布的总克重为7-15g/m2
  12. 一种纸尿裤外表层无纺布,其由权利要求1-3中任一项所述的用于个人护理卫生用品的材料经剪裁而成,纸尿裤外表层无纺布的总克重为7-15g/m2
  13. 一种卫生巾易撕贴,其由其由权利要求1-3中任一项所述的用于个人护理卫生用品的材料经剪裁而成,卫生巾易撕贴的克重为48-55g/m2
  14. 一种纸尿裤魔术贴,其由权利要求1-3中任一项所述的用于个人护理卫生用品的材料经过剪裁而成,纸尿裤魔术贴的克重为 45-60g/m2
  15. 一种盒抽纸巾提把,其由权利要求1-3中任一项所述的用于个人护理卫生用品的材料经过剪裁而成,盒抽纸巾提把的克重为38-50g/m2
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