CN115401976A - Three-layer structure fabric with continuous microporous PU resin film attached heating fabric and cool fabric and method thereof - Google Patents

Three-layer structure fabric with continuous microporous PU resin film attached heating fabric and cool fabric and method thereof Download PDF

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Publication number
CN115401976A
CN115401976A CN202110578628.XA CN202110578628A CN115401976A CN 115401976 A CN115401976 A CN 115401976A CN 202110578628 A CN202110578628 A CN 202110578628A CN 115401976 A CN115401976 A CN 115401976A
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China
Prior art keywords
fabric
layer
resin film
resin
film
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Chinese (zh)
Inventor
曾秀娟
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Honghaoke Textile Co ltd
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Honghaoke Textile Co ltd
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Priority to CN202110578628.XA priority Critical patent/CN115401976A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/10—Removing layers, or parts of layers, mechanically or chemically
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/16—Drying; Softening; Cleaning
    • B32B38/164—Drying
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/245—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it being a foam layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • B32B7/14—Interconnection of layers using interposed adhesives or interposed materials with bonding properties applied in spaced arrangements, e.g. in stripes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/24—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer not being coherent before laminating, e.g. made up from granular material sprinkled onto a substrate
    • B32B2037/243—Coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/02—Coating on the layer surface on fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0261—Polyamide fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0276—Polyester fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2266/00—Composition of foam
    • B32B2266/02—Organic
    • B32B2266/0214—Materials belonging to B32B27/00
    • B32B2266/0278—Polyurethane
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/51—Elastic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/724—Permeability to gases, adsorption

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)

Abstract

A three-layer fabric with continuous microporous PU resin film for adhering it to heat-generating fabric and cool feeling fabric is prepared through coating a PU resin layer on PET film or release paper, foaming, baking to form PU resin foam, foaming to form horn-shaped microporous holes, reacting on upper and lower fabrics, ageing, peeling off PET film or release paper, adhering and transfer printing.

Description

Three-layer structure fabric with continuous microporous PU resin film attached heating fabric and cool fabric and method thereof
Technical Field
The invention relates to a fabric with three-layer structure of continuous microporous PU resin film laminated heating fabric and cool fabric and a manufacturing method thereof.
Background
The resin is directly coated on the fabric at one time or coated on a first and a second layers of resin fabrics, the two methods are the traditional processing mode of directly coating the resin on the fabric to improve the moisture permeability and water resistance of the fabric, and the resin film is attached to the common fabric on one side or the common fabric on two sides, so that the performance of the functional fabric of the double-sided fabric cannot be achieved, wherein the film forming processing of the resin selected from the middle layer is very important, and the high permeability, high elasticity, high stretching and high recovery performance cannot be obtained by the traditional film forming processing.
Disclosure of Invention
The main purpose of the present invention is to provide a three-layer structure fabric with continuous microporous PU resin film laminated heating fabric and cool fabric and its method.
A method for laminating three-layer structure fabric of heating fabric and cool fabric with continuous microporous PU resin film comprises the following steps:
(1) Taking release paper: the specification of the release paper is 16 mu and 25G;
(2) The PU resin: the polyurethane resin is selected from water-based PU resin or solvent-based PU resin, and is prepared from 100 percent of water-based PU resin, 1 to 3 percent of melamine bridging agent, 1 to 5 percent of foaming agent and 3 to 8 percent of foam stabilizer, and the solvent-based PU resin coating processing liquid comprises 100 percent of solvent-based PU resin, 2 to 5 percent of isocyanate, 10 to 15 percent of D.M.F10 and 60 percent of M.E.K45;
(3) A blistering machine;
(4) A PU resin foam;
(5) PU resin coating layer coating: forming PU resin into foaming micro-porous shape, coating by a scraper at the speed of 20-25 m/min, wherein the coating weight is 5-200 g/m 2 The thickness of the release paper is about 1 to 0.08um;
(6) Forming a PU resin gas film;
(7) Drying at 100 +/-20 ℃;
(8) PU resin film heating: heating PU resin film at 120 deg.C;
(9) Spot pasting: carrying out point-shaped pasting of an upper layer fabric on the surface of the continuous microporous PU resin film;
(10) Upper fabric: coating a volcanic agent layer on the back of polyester or nylon fabric, and bonding with a PU resin film;
(11) Stripping release paper: peeling the bottom surface of the continuous microporous PU resin film from the release paper;
(12) Continuous microporous PU resin film: thickness of 0.1-0.2 mm, elongation of 2.5-3, and cross section of PU resin multiple bubble film
Forming a horn shape;
(13) Spot pasting: carrying out point-shaped adhesion of bottom fabric on the bottom surface of the continuous microporous PU resin film;
(14) A bottom fabric: coating a xylitol layer on the back of polyester or nylon fabric;
(15) Drying at 100 +/-20 ℃; and
(16) A three-layer structure fabric: an upper heating fabric layer, a middle continuous microporous PU resin film layer and a bottom cool fabric layer.
The method comprises the steps of coating a layer of PU resin coating on a PET film or release paper, forming a PU resin foam body by a foaming machine, drying to form a PU polyester film, heating the PU resin on the surface of the PU film to foam to form trumpet-shaped micropores by the PU polyester film, carrying out a bonding reaction with upper and lower fabrics, curing, peeling the PET film or the release paper, and carrying out bonding and transfer printing to form a three-layer fabric, wherein the upper layer is a heating fabric formed by weaving polyester or nylon and elastic fibers, the back of the fabric is coated with a layer of volcanic rock agent to bond with the PU microporous resin film, the middle layer is a PU resin film formed by bonding the microporous polyurethane resin film with a bottom layer of cool fabric formed by bonding polyester or nylon and elastic fibers, and the bottom layer is a cool fabric formed by dipping, transferring, coating and screen printing xylitol liquid onto the back of the fabric. The microporous structure of the PU microporous resin film can generate a storage chamber of a plurality of microporous chambers to be used as a blending interface of cold air and hot air, the volcanic rock layer of the surface heating fabric can generate hot air to be absorbed by the microporous chambers to store the hot air, and the cool layer of the bottom cool fabric can generate cold air to be absorbed by the microporous chambers to store the cold air when meeting sweat of a body.
The water-based PU resin is selected from Polyurethane (PU) 100, melamine bridging agent 1-3%, foaming agent 1-5%, foam regulator 3-8%, solvent-based PU resin coating processing liquid, solvent-based PU resin 100, isocyanate 2-5%, D.M.F10-15%, M.E.K45-60%, the foam coating uses a foaming machine to add PU resin to generate a foaming body, then the foaming body is coated on a PET film or release paper to generate a PU resin gas film, and then the PU resin film is dried and extruded at 60-150 ℃ to form water-based PU resin film on the PET film or release paper, the section system of the formed continuous microporous PU resin film forms a plurality of continuous large, medium and small hole films, the continuous microporous PU resin film forms a plurality of large, medium and small hole films, the holes range of the holes is between 0.6-90 mu m, the whole forms a horn-shaped holes from top to bottom, when the outside passes through an upper layer → a large-medium-hole film, the large-small hole films enter a cold-hole film layer, and the large-hole films enter the large-small holes → the large holes of the large-medium-small holes of the film, and the cold-hole films are retained, and the heat insulation effect is obtained when the external heat insulation effect is achieved.
The invention relates to a continuous microporous PU resin film which is a breathable PU film, and a foaming special processing method is utilized to manufacture the PU resin film into a microporous form, if the PU resin film is attached to knitted fabrics or plain fabrics, the PU resin film does not cause stuffy feeling, namely, common PU or TPU film attaching products have stuffy feeling when being worn although having good waterproof performance.
The laminated product has rich sense and reverse poking elasticity, and the thickness of the PU resin film or the TPU resin film is about 0.01 mm-0.02 mm compared with the thickness of a common PU resin film or TPU resin film laminated product.
The characteristics of the bonding product adopting the continuous microporous PU resin film are as follows:
1. the continuous microporous PU resin film of the bonded fabric has the thickness ranging from 0.2mm to 0.5mm, the bonded product has excellent thickness and elasticity, and the TPU resin film bonded product is hard and has no fullness in hand feeling because of being a continuous film.
2. The continuous microporous PU resin film of the laminated fabric has the tensile strength (kg/2.54 cm) of 1.2-2.4, the elongation (%) of 350 +/-50 and the air permeability (CMF) of 220-300.
3. The windproof value of the continuous microporous PU resin film laminated fabric measured by an ASTM-D737 method of the invention is 3.5CFM, which is about 14 windproof value of a flat sticking fabric, a fine sticking knitted fabric and about 30 windproof value of a circular knitted fabric.
4. The PU resin film of the laminated fabric is a continuous microporous layer, and has rich hand feeling and Q feeling.
5. The PU resin film of the laminated fabric is an environment-friendly continuous microporous PU resin film, is different from films of other products in material, and hopes downstream manufacturers to use the PU resin film of the laminated fabric under the condition of protecting the earth.
6. The continuous microporous PU resin film of the laminated fabric is suitable for prosodic clothes or other sports clothes or trousers.
The three-layer structure fabric of the heating fabric, the continuous microporous PU resin film and the cool fabric has the following characteristics:
(1) The upper layer fabric is a fabric formed by weaving polyester or nylon with elastic fibers, and the back of the fabric is coated with a layer of volcanic rock agent and then is bonded with the PU microporous resin film.
(2) The middle layer continuous microporous PU resin film consists of a plurality of large, medium and small pore films with the cross section distribution continuity, the thickness of 0.2-0.5 mm, the extension strength (kg/2.54 cm) of 1.2-2.4, the elongation (%) of 350 +/-50 and the air permeability (CMF) of 220-300, and has the characteristics of high air permeability, high elasticity, high stretching and high recovery.
(3) The bottom layer fabric is prepared by adding polyester or nylon into elastic fiber fabric, and dipping, transferring, coating and screen printing xylitol liquid onto the back surface of the fabric, and then adhering the fabric with PU microporous resin film.
Drawings
FIG. 1 is a flow chart of a three-layer structure fabric with a continuous microporous PU resin film adhered with a heat generating material and a cool feeling fabric and a method thereof.
FIG. 2 is a schematic cross-sectional view of an aqueous continuous microporous PU resin film in a three-layer fabric according to the present invention.
FIG. 3 is a second schematic sectional view of the aqueous continuous microporous PU resin film in the three-layer fabric according to the present invention.
Fig. 4 is an exploded view of the triple-layer fabric of the present invention.
Fig. 5 is a schematic view of the bonding of a three-layer fabric according to the present invention.
FIG. 6 is a view showing an example of a fabric structure with continuous microporous PU resin film bonded with heat and cool feeling according to the present invention.
Description of the symbols:
1' three-layer structure fabric with continuous microporous PU resin film attached heating fabric and cool fabric
A, release paper; b, PU resin coating; c, a foaming machine; d PU resin foam;
e, coating a PU resin coating; f, PU resin gas film; g, drying Q; h, extruding;
i, adding PU resin film and release paper; i1, I2 flow direction; j, heating the PU resin film;
k, O point-shaped pasting processing; l an upper fabric; stripping the M release paper; an N continuous microporous PU resin layer;
p a bottom fabric; coating P1 polyester or nylon fabric with xylitol layer; r three-layer structure fabric;
s, sun; s1, adding elastic fibers into polyester or nylon (20 denier) in a warp direction;
s2, adding elastic fibers into weft polyester or nylon (20 denier); s3 volcanic rock agent layer
S4, adding elastic fibers into polyester or nylon-containing yarns (20 denier) in the warp direction;
s5 weft containing polyester or nylon yarn (20 denier) added with elastic fiber
S6 xylitol layer; t human body; wn a plurality of pore membranes; vn several horn shape hole film
A V-horn aperture film; v1 macroporous membranes; v2 mesoporous membranes; v3 small-hole film
V' small hole film layer; y1 light energy; y11 far infrared rays; y2 anti-UV reflection line; y3 cool ray
Detailed Description
The foregoing and other features, aspects and utilities of the present general inventive concept will be apparent from the following detailed description of the presently preferred embodiments, read in conjunction with the accompanying drawings.
The invention relates to a fabric with three-layer structure of continuous microporous PU resin film bonded heating fabric and cool fabric and a method thereof, which is characterized in that a PET (polyethylene terephthalate) film or release paper A is coated with a PU resin coating B, a foaming machine C is used for forming a PU resin foam body D, the PU resin coating layer E is coated to form a PU resin gas film F, the PU resin film F is dried G and extruded H to form an aqueous PU resin film + release paper I, the PU resin film is used for heating the surface J, the surface is bonded with an upper layer fabric L through a point bonding processing K, the PET film or the release paper is peeled M after curing to form a PU resin film N (middle layer), the PU resin film N is bonded with a bottom layer fabric P through a point bonding processing O, the bottom layer fabric adopts polyester, nylon cool yarn S5 or polyester or nylon fabric coated with a xylitol layer P1, and the three-layer structure fabric R is formed after drying Q.
The manufacturing method of the preferred embodiment comprises the following steps:
(1) Taking a PET film or release paper A: the specification of the PET film and the release paper is 16 mu, 25G.
(2) PU resin B: selected from water-based PU resin, and the water-based PU resin coating processing liquid comprises 100% of PU resin, 1-3% of melamine bridging agent, 1-5% of foaming agent and 3-8% of foam stabilizer. The solvent type PU resin coating processing liquid comprises 100 percent of solvent type PU resin, 2 to 5 percent of isocyanate, 10 to 15 percent of D.M.F10 and 60 percent of M.E.K45.
(3) A blistering machine C.
(4) PU resin foam D.
(5) PU resin coating layer coating E: forming the PU resin into a foamed micro-porous shape at a speed of 20-25 m/minCoating with a doctor blade in a coating amount of 5-200 g/m 2 The thickness of the release paper is about 1-0.08 um.
(6) Forming a PU resin gas film F.
(7) Drying at 100 +/-20 deg.C.
(8) PU resin film heating I: the PU resin film was heated at 120 ℃.
(9) Dot-shaped pasting processing K: and (3) carrying out point-like adhesion of the upper layer fabric on the surface of the PU resin film.
(10) Upper fabric L: the polyester or nylon fabric is coated with a volcanic agent layer on the back surface and then bonded with a PU resin film.
(11) Release paper peel M: the bottom surface of the PU resin film is peeled off from the release paper.
(12) PU resin film N: the thickness is 0.1-0.2 mm, the elongation is 2.5-3, and the section is in a horn shape formed by a plurality of continuous microporous PU resin bubble films.
(13) Dot pasting processing O: and (3) carrying out point-shaped adhesion of the bottom fabric on the bottom surface of the continuous microporous PU resin film.
(14) Bottom fabric P: the back of polyester or nylon fabric is coated with xylitol layer.
(15) Drying at 100 +/-20 deg.C.
(16) Three-layer structured fabric R: the upper layer is a heating fabric, the middle layer is a continuous microporous PU resin film, and the bottom layer is a cool fabric.
Please refer to fig. 2,3, which is a sectional view of a PU resin film N, wherein a section of the continuous microporous PU resin film N generates a plurality of hole films Wn and a plurality of trumpet-shaped hole films Vn, the hole film formed by the PU resin film N shown in fig. 3 is a trumpet-shaped hole film V, which is composed of a large hole film V1, a middle hole film V2 and a small hole film V3, such that an external hot air flowing direction I1 passes through an upper layer fabric L, enters the PU resin film N through the large hole film V1 → the middle hole film V2 → the small hole film V3, a human body temperature flowing direction I2 passes through a lower layer fabric P, enters the PU resin film N through the middle hole film V3 → the middle hole film V2 → the large hole film V1, and retains the human body T temperature in the plurality of bubble films to obtain a heat preservation effect, and the bottom small hole film V' resists the external hot air entering the human body T, so that the bottom layer P has a cool feeling effect.
Please refer to fig. 4,5, which shows that the upper fabric L and the surface layer of the continuous microporous PU resin film N are point-bonded K, and the bottom layer of the continuous microporous PU resin film N is point-bonded O and the bottom fabric P, so as to form a three-layer fabric R of the upper fabric L, the middle layer of the continuous microporous PU resin film N and the bottom fabric P, as shown in fig. 5, wherein the upper fabric L is formed by adding elastic fiber S1 with polyester or nylon (20 denier) in the warp direction, and elastic fiber S2 with polyester or nylon (20 denier) in the weft direction, and a volcanic rock agent layer S3 is coated on the back of the fabric, and the bottom fabric P is formed by coating a xylitol layer S6 on the back of the fabric by adding elastic fiber S4 with polyester or nylon yarn (20 denier) in the warp direction, and adding elastic fiber S5 with polyester or nylon yarn (20 denier) in the weft direction.
As shown in fig. 6, the three-layer structure cloth 1 'having the PU resin film bonded heating fabric and the cool fabric is provided, wherein the heating fabric K' releases far infrared ray Y11 when receiving solar energy Y1, and generates anti-UV reflection ray Y2 when receiving ultraviolet irradiation, and the cool fabric generates cool ray Y3 to contact with human body T.
[ examples ] A method for producing a compound
Mixing 16 μ,50G release paper or PET film, polyester fabric (60D × 60D) 80%, aqueous PU resin 100, melamine bridging agent 3%, foaming agent 5%, and foam stabilizer 8% to obtain foamed PU resin, and coating at a weight of 120G/m 2 Coating a foam PU resin on release paper with the thickness of 0.08um at the speed of 25m/min by a coating machine, drying at 80 ℃ for 1 min, extruding to form a multi-bubble horn-shaped aqueous PU resin film + the release paper, heating the surface at 120 ℃ by using the PU resin film (0.6-90 mu), weaving the fabric with upper fabric polyester yarns (70 danni/68) as weft ester yarns (70 danni/68) through point-shaped pasting processing, coating a volcanic rock agent layer on the back, pasting and combining with a microporous resin film, stripping the release paper after curing to form the PU resin film (middle layer) with the thickness of 0.15 and the elongation of 2.6 times, weaving the polyester fabric with lower layer polyester yarns (135 danni/68) through point-shaped pasting processing, and weaving the polyester fabric on the backCoating a xylitol layer on the surface for bonding processing combination, drying at 80 ℃ for 1 minute to form a three-layer structure fabric, wherein the elastic fiber is added into 80% of polyester, the PU resin film is 100% in the middle layer, the elastic fiber is added into 80% of polyester in the bottom layer, the results of the three-layer structure fabric are shown in the table 1 according to the test of the foaming breathable bonding fabrics shown in the accessories I and II, and the air permeability is 23CFM by adopting an ASTM-D737 method. Water absorption was measured by AATCC 79 method for 3 seconds. Elastic recovery was measured as test method BS EN ISO 2093201 2020 with a warp direction of 97.5%, a weft direction of 95.8%, a warp direction of 95.4% and a weft direction of 94.6% after 30 minutes. Far infrared ray emission rate far infrared ray emission was measured by FTTS-FA-010-2007 4.1 method at 0.81.
TABLE 1
Figure BDA0003085385950000061
The above examples of the present invention show that the measured physical property data show excellent fabric functionality as shown in the table.
However, the above description is only a preferred embodiment of the present invention, and the scope of the present invention should not be limited thereby, and all the simple equivalent changes and modifications made according to the claims and the description of the present invention are still within the scope of the present invention.
The present invention relates to a three-layer structure fabric with continuous microporous PU resin film adhered heating fabric and cool feeling fabric and its method.

Claims (7)

1. A method for adhering a continuous microporous PU resin film to a fabric with a three-layer structure of a heating fabric and a cool fabric is characterized by comprising the following steps:
(1) Taking release paper: the specification of the release paper is 16 mu, 25G;
(2) The PU resin: the polyurethane resin is selected from water-based PU resin or solvent-based PU resin, and is prepared from 100 percent of water-based PU resin, 1 to 3 percent of melamine bridging agent, 1 to 5 percent of foaming agent and 3 to 8 percent of foam stabilizer, and the solvent-based PU resin coating processing liquid comprises 100 percent of solvent-based PU resin, 2 to 5 percent of isocyanate, 10 to 15 percent of D.M.F10 and 60 percent of M.E.K45;
(3) A blistering machine;
(4) A PU resin foam;
(5) PU resin coating layer coating: the PU resin is formed into a foamed fine pore shape and coated by a doctor blade at a speed of 20-25 m/min, and the coating weight is 5-200 g/m 2 The thickness of the release paper is about 1 to 0.08um;
(6) Forming a PU resin gas film;
(7) Drying at 100 +/-20 ℃;
(8) PU resin film heating: heating PU resin film at 120 deg.C;
(9) Spot pasting: carrying out point-shaped pasting of an upper layer fabric on the surface of the continuous microporous PU resin film;
(10) Upper fabric: coating a volcanic agent layer on the back of polyester or nylon fabric, and bonding with a PU resin film;
(11) Release paper stripping: peeling the bottom surface of the continuous microporous PU resin film from the release paper;
(12) Continuous microporous PU resin film: the thickness is 0.1-0.2 mm, the elongation is 2.5-3, and the section is that a plurality of foam films of PU resin form a horn shape;
(13) Spot pasting: carrying out point-like sticking of bottom fabric on the bottom surface of the continuous microporous PU resin film;
(14) Bottom fabric: coating a xylitol layer on the back of polyester or nylon fabric;
(15) Drying at 100 +/-20 ℃; and
(16) A three-layer structure fabric: an upper heating fabric layer, a middle continuous microporous PU resin film layer and a bottom cool fabric layer.
2. A three-layer structure fabric having a continuous microporous PU resin film laminated heating fabric and a cool fabric prepared by the method of claim 1, which comprises an upper layer fabric, a middle layer continuous microporous PU resin film and a bottom layer fabric,
an upper fabric layer, which is woven by warp polyester or nylon yarns and weft polyester or nylon yarns, and a volcanic agent layer is coated on the back surface of the upper fabric layer;
a continuous microporous PU resin film as an intermediate layer, which is a porous resin film having a plurality of pores and a plurality of horn-shaped pores in cross-sectional section; and
a bottom fabric which is woven by warp polyester or nylon yarns and weft polyester or nylon yarns, and a xylitol layer is coated on the back surface of the bottom fabric;
the upper fabric and the surface layer of the continuous microporous PU resin film are subjected to point-like sticking processing, and the bottom fabric and the bottom layer of the continuous microporous PU resin film are subjected to point-like sticking processing to form a three-layer fabric.
3. A three-layer structure fabric with a continuous microporous PU resin film laminated heating fabric and a cool feeling fabric manufactured by the method of claim 2, wherein the external hot air flows through the upper layer fabric and enters the continuous microporous PU resin film through the large pore film → the medium pore film → the small pore film, the human body temperature enters the continuous microporous PU resin film through the small pore film → the medium pore film → the large pore film through the bottom layer fabric and retains the human body temperature in the plurality of bubble films to obtain the heat preservation effect, and the small pore film layer at the bottom can resist the external hot air from entering the human body, so that the bottom layer fabric has the cool feeling effect.
4. The three-layer structure fabric having a continuous microporous PU resin film laminated heating fabric and cooling fabric prepared by the method of claim 2, wherein the three-layer structure fabric has an air permeability of 3.5CFM measured by ASTM-D737.
5. A three-layer structure fabric of a continuous microporous PU resin film laminated heat-generating fabric and cool-feeling fabric, which is prepared by the method of claim 2, wherein the three-layer structure fabric has a water absorption of 3 seconds measured by AATCC 79 method.
6. The three-layer structure fabric of continuous microporous PU resin film laminated heating fabric and cool fabric prepared by the method of claim 2, wherein the three-layer structure fabric is elastically recovered by the test method BS EN ISO
2093201, found 97.5% warp, 95.8% weft, 95.4% warp and 94.6% weft after 30 minutes.
7. The three-layer structure fabric of the continuous microporous PU resin film laminated heating fabric and cooling fabric prepared by the method of claim 2, wherein the far infrared radiation of the three-layer structure fabric is 0.81 measured by FTTS-FA-010-2007 4.1 method.
CN202110578628.XA 2021-05-26 2021-05-26 Three-layer structure fabric with continuous microporous PU resin film attached heating fabric and cool fabric and method thereof Pending CN115401976A (en)

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