CN105966006B - The preparation method of fiber base waterproof humidity-permeant film with intelligent unidirectional moisture conducting function - Google Patents

The preparation method of fiber base waterproof humidity-permeant film with intelligent unidirectional moisture conducting function Download PDF

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CN105966006B
CN105966006B CN201610296967.8A CN201610296967A CN105966006B CN 105966006 B CN105966006 B CN 105966006B CN 201610296967 A CN201610296967 A CN 201610296967A CN 105966006 B CN105966006 B CN 105966006B
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layer
humidity
moisture
fibrous layer
hydrophilic
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CN105966006A (en
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丁彬
余西
李洋
生俊露
张敏
王先锋
印霞
俞建勇
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Donghua University
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Donghua University
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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
    • B32B5/22—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
    • B32B5/26—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 also being fibrous or filamentary
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • 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
    • B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
    • 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
    • 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
    • B32B37/15—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 being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state
    • 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
    • B32B5/08—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 the fibres or filaments of a layer being of different substances, e.g. conjugate fibres, mixture of different 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
    • 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
    • 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
    • B32B2262/0223—Vinyl resin 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
    • B32B2262/0223—Vinyl resin fibres
    • B32B2262/0238—Vinyl halide, e.g. PVC, PVDC, PVF, PVDF
    • 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
    • B32B2262/0246—Acrylic resin 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
    • B32B2262/0261—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
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/14—Mixture of at least two fibres made of different materials
    • 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
    • B32B2307/728—Hydrophilic
    • 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
    • B32B2307/73—Hydrophobic
    • 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
    • B32B2437/00—Clothing

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  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Artificial Filaments (AREA)
  • Nonwoven Fabrics (AREA)

Abstract

The invention provides a kind of preparation method of the fiber base waterproof humidity-permeant film with intelligent unidirectional moisture conducting function, it is characterised in that including：Hydrophilic polymers are dissolved in solvent orange 2 A, crosslinking agent is added, obtains spinning solution, hydrophilic fiber layer is prepared on base material is received by electrospinning process；By electrostatic spraying method by adhesive spraying on hydrophilic fiber layer, formed adhesive layer；Is dissolved in hydrophobic type polymer in solvent B, obtains spinning solution, and forms hydrophobic type fibrous layer on above-mentioned adhesive layer by electrospinning process, obtains tunica fibrosa；Described tunica fibrosa is heat-treated, makes polymer in hydrophilic fiber layer that chemical crosslink reaction formation moisture expantion fibrous layer occur, so as to obtain the fiber base waterproof humidity-permeant film with intelligent unidirectional moisture conducting function.The present invention has the intelligent one-way wet-guide of " low humidity perforate row steam, high humidity closed pore lead sweat ", it is ensured that human body in a variety of contexts dry and comfortable comfortable.

Description

The preparation method of fiber base waterproof humidity-permeant film with intelligent unidirectional moisture conducting function
Technical field
The invention belongs to electrostatic spinning technical field of function materials, is related to a kind of fiber with intelligent unidirectional moisture conducting function The preparation method of base waterproof humidity-permeant film, it is particularly a kind of based on the hydrophilic fiber layer low humidity perforate row with moisture expantion characteristic Steam, high humidity closed pore lead the process technology of the intelligent one-way wet-guide waterproof humidity-permeant film of sweat.
Background technology
Waterproof Breathable membrane material is the core material of Waterproof Breathable function clothes, and the material should have good water proofing property, Infiltration of the extraneous aqueous water to clothes is resisted, there is excellent water vapour permeability again, so as to keep the balance tune to human body microenvironment Control；It is required that material have less aperture (being less than water droplet size, more than hydrone size) and higher porosity (with ensure compared with High moisture-inhibiting).Electrostatic spinning technique is that one kind prepares small-bore, the effective ways of high porosity structural fibers film, in high-performance Waterproof Breathable microporous barrier manufacture field has huge application potential.Electrospinning process is processed in water proof and moisture permeable material and led at present The patented technology in domain includes：A kind of High-efficiency waterproof moisture-permeable shell fabric and preparation method thereof (CN102632648A), a kind of high moisture-inhibiting are led to The electrospinning process and its device (CN104452109A) of the fiber base waterproof humidity-permeant film of amount, a kind of Waterproof Breathable composite membrane and Its preparation method (CN103963393A), a kind of preparation method of permeable watertight polyurethane nanofiber film (CN102517794A) etc., its main purpose is improves the water proofing property and penetrability of waterproof humidity-permeant film, and prepared membrane material is not Possesses one-way wet-guide characteristic, moisture easily enters inner under high humidity environment, and the sweat of human body discharge, which is difficult to evaporation, to be made one to feel Feel and glue the discomfort such as wet, sultry.
The content of the invention
The purpose of the present invention is to obtain a kind of fiber base waterproof humidity-permeant film of intelligent unidirectional moisture conducting function, to ensure that human body exists It is dry and comfortable comfortable under a variety of environment.
In order to achieve the above object, the invention provides a kind of fiber base Waterproof Breathable with intelligent unidirectional moisture conducting function The preparation method of film, it is characterised in that including：
The first step：Hydrophilic polymers are dissolved in solvent orange 2 A, crosslinking agent is added, prepares spinning solution, pass through electrostatic spinning Method prepares hydrophilic fiber layer on base material is received；
Second step：By electrostatic spraying method by adhesive spraying on hydrophilic fiber layer, formed adhesive layer；
3rd step：Hydrophobic type polymer is dissolved in solvent B, obtains spinning solution, and by electrospinning process upper Formation hydrophobic type fibrous layer on adhesive layer is stated, obtains tunica fibrosa；
4th step：Described tunica fibrosa is heat-treated, makes polymer in hydrophilic fiber layer that chemical crosslinking occur instead Moisture expantion fibrous layer should be formed, so as to obtain the fiber base waterproof humidity-permeant film with intelligent unidirectional moisture conducting function.
Preferably, described hydrophilic polymers are a kind of or several in Sodium Polyacrylate, polyacrylamide and polyvinyl alcohol The combination of kind.
Preferably, the mass fraction of hydrophilic polymers is 5~30% in the spinning solution in the first step.
Preferably, the hydrophilic polymers in the first step are Sodium Polyacrylate, and solvent orange 2 A is water, glycerine and glycerine At least one of；Hydrophilic polymers in the first step are polyacrylamide, solvent orange 2 A be water, acrylic acid, ethylene glycol, At least one of monoxone and glycerine；Hydrophilic polymers in the first step are polyvinyl alcohol, and solvent orange 2 A is water, first At least one of acid, carbon tetrachloride and dimethyl sulfoxide (DMSO).
Preferably, the mass fraction that the crosslinking agent in the described first step accounts for hydrophilic polymers is 1~5%.
Preferably, the hydrophilic polymers in the first step are Sodium Polyacrylate, and crosslinking agent is hydroxyethyl methacrylate second Ester, N, N- methylene-bisacrylamides or polyethyleneglycol diacrylate；Hydrophilic polymers in the first step are poly- third Acrylamide, crosslinking agent is glutaraldehyde, N, N- methylene-bisacrylamides, N, N- bismethacrylamides or the propylene of PVOH two Acid esters；Or the hydrophilic polymers in the first step are polyvinyl alcohol, crosslinking agent be maleic anhydride, glutaraldehyde or Triethylene-glycol.
Preferably, the voltage of the electrostatic spinning in the first step is 5~50kV, and it is 10~30cm to receive distance, spinning The liquid supply speed of solution is 0.5~10mL/h, and the thickness of gained hydrophilic fiber layer is 2~30 μm.
Preferably, the reception base material of the electrostatic spinning in the first step is textile, copper mesh, immersion oil paper, aluminium foil, steel plate Or non-woven cloth.
Preferably, the adhesive in the second step is polyvinyl butyral resin, organosilicon or phenolic resin.
Preferably, when adhesive is sprayed on hydrophilic fiber layer by electrostatic spraying method in the second step, applied The voltage added is 10~30kV, and liquid supply speed is 0.5~3mL/h, and spray time is 1~5 minute.
Preferably, the hydrophobic polymer in the 3rd step is polyvinyl acetate, Kynoar, polyvinylidene fluoride One in alkene-hexafluoropropene, Kynoar-tetrafluoroethylene-perfluoro methyl vinyl ether and Kynoar-CTFE Kind or several combinations.
Preferably, the mass fraction of hydrophobic type polymer is 5~30% in the spinning solution in the 3rd step.
Preferably, the hydrophobic type polymer in the 3rd step is polyvinyl acetate, and solvent B is ethanol, acetic acid, third At least one of ketone, ethyl acetate, benzene and chloroform；Hydrophobic type polymer in 3rd step is Kynoar, Solvent B is DMF, DMA, acetone, methyl ethyl ketone, tetrahydrofuran and dimethyl sulfoxide (DMSO) At least one of；Hydrophobic type polymer in 3rd step is Kynoar-hexafluoropropene, and solvent B is N, N- diformazans At least one of base formamide, DMA, acetone, methyl ethyl ketone, tetrahydrofuran and dimethyl sulfoxide (DMSO)；Institute It is Kynoar-tetrafluoroethylene-perfluoro methyl vinyl ether to state the hydrophobic type polymer in the 3rd step, and solvent B is N, N- bis- At least one of NMF, DMA, acetone, methyl ethyl ketone, tetrahydrofuran and dimethyl sulfoxide (DMSO)； Hydrophobic type polymer in 3rd step is Kynoar-CTFE, and solvent B is DMF, N, At least one of N- dimethyl acetamides, acetone, methyl ethyl ketone, tetrahydrofuran and dimethyl sulfoxide (DMSO)；
Preferably, the electrostatic spinning voltage in the 3rd step is 5~50kV, and it is 10~30cm to receive distance, and spinning is molten The liquid supply speed of liquid is 0.5~10mL/h, and the thickness of gained hydrophobic type fibrous layer is 2~30 μm.
Preferably, the 4th step heat treatment time is 10~120 minutes, and treatment temperature is 80~150 DEG C.
Preferably, the expansion transformation humidity of described moisture expantion fibrous layer is 60~95%；It is somebody's turn to do when ambient humidity is less than Fiber does not expand during expansion transformation humidity, and tunica fibrosa keeps perforate and sweat is outwardly expanded in vapour form in environment Dissipate；When ambient humidity is higher than expansion transformation humidity, fibre diameter is inflatable 1~10 times, interfiber pore is closed and is prevented Only the moisture in external environment enters inner, while can be acted on by material hydrophilic makes liquid sweat transmit from inside to outside, So as to realize the intelligent unidirectional moisture conducting function of " low humidity perforate row steam, high humidity closed pore lead sweat ".
Preferably, water pressure resistance >=100kPa of the described fiber base waterproof humidity-permeant film with intelligent unidirectional moisture conducting function, Low moisture environments vapor transfer rate >=15000g/m2/ d, high humidity environment lead amount of sweat >=30000g/m2/d。
The present invention successively prepares hydrophilic fiber layer and hydrophobic type fibrous layer by electrostatic spinning technique, and both pass through gluing Agent is compound, then hydrophilic fiber layer is possessed moisture expantion characteristic by heat treatment, obtains with the anti-of unidirectional wet transmission function Water moisture-inhibiting tunica fibrosa.Wherein the excellent water proofing property of hydrophobic type fibrous layer makes composite membrane possess good anti-penetration by liquid water ability； The spacious of duct in fibrous layer is regulated and controled based on variation in fiber diameter of the hydrophilic fiber layer under different humidity environment after crosslinking Opening/closing conjunction state, composite membrane is set to possess the intelligent unidirectional moisture conducting function of " low humidity perforate row steam, high humidity closed pore lead sweat ".
Compared with prior art, the beneficial effects of the invention are as follows：
(1) the fiber base waterproof humidity-permeant film in the present invention has higher porosity, wherein with moisture expantion characteristic Hydrophilic fiber layer keeps hole opening-wide state under low moisture environments, is advantageous to water vapor diffusion thus has higher moisture-inhibiting Amount；And under high humidity environment, this layer of pore closure is made after fiber moisture expantion, extraneous moisture can not be entered in people's clothes by hole Portion, and sweat can be passed to rapidly in vitro in liquid form, so as to " low humidity perforate row steam, high humidity closed pore lead sweat The intelligent one-way wet-guide of liquid ", it is ensured that human body in a variety of contexts dry and comfortable comfortable.
(2) the hydrophobic type fibrous layer of the fiber base waterproof humidity-permeant film in the present invention, this layer of fiber have superhydrophobic characteristic, and And aperture is minimum between fiber, therefore extraneous aqueous water can be effectively prevented to be permeated to inner, so as to realize that composite cellulosic membrane is excellent Different water resistance.
(3) the hydrophobic type fibrous layer of the fiber base waterproof humidity-permeant film in the present invention passes through adhesive with hydrophilic fiber interlayer It is compound, composite cellulosic membrane holding structure in the cyclic process of long-term " moisture expantion-moisture releasing is shunk " can be made stable, indeformable, So as to which the stability and durability of its function in protective clothes application be effectively ensured.
(4) fiber base waterproof humidity-permeant film of the present invention is compound by hydrophilic fiber layer and hydrophobic type fibrous layer, production Technique is simple, cost is cheap, has huge application prospect in feature protective clothes field.
Brief description of the drawings
Fig. 1 is the fiber base waterproof humidity-permeant film structural representation with intelligent unidirectional moisture conducting function.
Embodiment
With reference to specific embodiment, the present invention is expanded on further.It should be understood that these embodiments are merely to illustrate the present invention Rather than limitation the scope of the present invention.In addition, it is to be understood that after the content of the invention lectured has been read, people in the art Member can make various changes or modifications to the present invention, and these equivalent form of values equally fall within the application appended claims and limited Scope.
Embodiment 1
As shown in figure 1, a kind of fiber base waterproof humidity-permeant film of intelligent unidirectional moisture conducting function is by moisture expantion fibrous layer 1, glue Glutinous agent 2 and hydrophobic type fibrous layer 3 form, and its preparation method is：
The first step：By Sodium Polyacrylate (relative molecular mass 4000) it is soluble in water prepare mass fraction be 20% it is poly- Sodium acrylate solution, and N is added, N- methylene-bisacrylamides account for poly- third as crosslinking agent, N, N- methylene-bisacrylamides The mass fraction of olefin(e) acid sodium is 3%, is uniformly mixing to obtain spinning solution；Hydrophilic is prepared on copper mesh by electrospinning process Fibrous layer, spinning voltage 30kV, it is 20cm to receive distance, and the liquid supply speed of spinning solution is 5mL/h, gained hydrophilic fiber The thickness of layer is 15 μm；
Second step：Phenolic resin adhesive emulsion (viscosity 10000cps) is sprayed on by electrostatic spraying method hydrophilic On fiber type layer, adhesive layer, spray voltage 20kV, liquid supply speed 2mL/h are formed, spray time is 1 minute；
3rd step, polyvinyl acetate (relative molecular mass 50000) is dissolved in into preparation mass fraction in ethanol is 15% polyvinyl acetate spinning solution, hydrophobic type fibrous layer is formed on above-mentioned adhesive layer by electrospinning process, Obtain tunica fibrosa, spinning voltage 40kV, it is 25cm to receive distance, and the liquid supply speed of spinning solution is 3mL/h, gained hydrophobic type The thickness of fibrous layer is 15 μm；
4th step, above-mentioned tunica fibrosa is heat-treated 15 minutes in 100 DEG C of environment, makes hydrophilic fiber layer that chemistry occur Cross-linking reaction forms moisture expantion fibrous layer, so as to obtain the fiber base waterproof humidity-permeant film with intelligent unidirectional moisture conducting function；According to It is 125kPa to test the film water pressure resistance according to national standard GB/T4744-1997, and moisture-inhibiting is carried out to tunica fibrosa according to ASTM E96BW standards Test, the moisture-inhibiting of composite cellulosic membrane is 19800g/m in the low moisture environments that relative humidity is 50%2/ d, marked according to GB/T12704 Quasi- test compound tunica fibrosa is 32000g/m in the high humidity environment vapor transfer rate that relative humidity is 90%2/d。
Embodiment 2
As shown in figure 1, a kind of fiber base waterproof humidity-permeant film of intelligent unidirectional moisture conducting function is by moisture expantion fibrous layer 1, glue Glutinous agent 2 and hydrophobic type fibrous layer 3 form, and its preparation method is：
The first step：By Sodium Polyacrylate (relative molecular mass 4000) it is soluble in water prepare mass fraction be 5% it is poly- Sodium acrylate solution, and N is added, N- methylene-bisacrylamides account for poly- third as crosslinking agent, N, N- methylene-bisacrylamides The mass fraction of olefin(e) acid sodium is 1%, is uniformly mixing to obtain spinning solution；Hydrophilic is prepared on copper mesh by electrospinning process Fibrous layer, spinning voltage 30kV, it is 20cm to receive distance, and the liquid supply speed of spinning solution is 5mL/h, gained hydrophilic fiber The thickness of layer is 15 μm；
Second step：Phenolic resin adhesive emulsion (viscosity 10000cps) is sprayed on by electrostatic spraying method hydrophilic On fiber type layer, adhesive layer, spray voltage 20kV, liquid supply speed 2mL/h are formed, spray time is 1 minute；
3rd step, polyvinyl acetate (relative molecular mass 50000) is dissolved in into preparation mass fraction in ethanol is 15% polyvinyl acetate spinning solution, hydrophobic type fibrous layer is formed on above-mentioned adhesive layer by electrospinning process, Obtain tunica fibrosa, spinning voltage 40kV, it is 25cm to receive distance, and the liquid supply speed of spinning solution is 3mL/h, gained hydrophobic type The thickness of fibrous layer is 15 μm；
4th step, above-mentioned tunica fibrosa is heat-treated 15 minutes in 100 DEG C of environment, makes hydrophilic fiber layer that chemistry occur Cross-linking reaction forms moisture expantion fibrous layer, so as to obtain the fiber base waterproof humidity-permeant film with intelligent unidirectional moisture conducting function；According to It is 118kPa to test the film water pressure resistance according to national standard GB/T4744-1997, and moisture-inhibiting is carried out to tunica fibrosa according to ASTM E96BW standards Test, the moisture-inhibiting of composite cellulosic membrane is 17600g/m in the low moisture environments that relative humidity is 50%2/ d, marked according to GB/T12704 Quasi- test compound tunica fibrosa is 31200g/m in the high humidity environment vapor transfer rate that relative humidity is 90%2/d。
Embodiment 3
As shown in figure 1, a kind of fiber base waterproof humidity-permeant film of intelligent unidirectional moisture conducting function is by moisture expantion fibrous layer 1, glue Glutinous agent 2 and hydrophobic type fibrous layer 3 form, and its preparation method is：
The first step：By Sodium Polyacrylate relative molecular mass for 4000) it is soluble in water prepare mass fraction be 30% gather Sodium acrylate solution, and N is added, N- methylene-bisacrylamides account for poly- third as crosslinking agent, N, N- methylene-bisacrylamides The mass fraction of olefin(e) acid sodium is 5%, is uniformly mixing to obtain spinning solution；Hydrophilic is prepared on copper mesh by electrospinning process Fibrous layer, spinning voltage 30kV, it is 20cm to receive distance, and the liquid supply speed of spinning solution is 10mL/h, and gained hydrophilic is fine The thickness for tieing up layer is 15 μm；
Second step：Phenolic resin adhesive emulsion (viscosity 10000cps) is sprayed on by electrostatic spraying method hydrophilic On fiber type layer, adhesive layer, spray voltage 20kV, liquid supply speed 3mL/h are formed, spray time is 1 minute；
3rd step, polyvinyl acetate (relative molecular mass 50000) is dissolved in into preparation mass fraction in ethanol is 15% polyvinyl acetate spinning solution, hydrophobic type fibrous layer is formed on above-mentioned adhesive layer by electrospinning process, Obtain tunica fibrosa, spinning voltage 40kV, it is 25cm to receive distance, and the liquid supply speed of spinning solution is 3mL/h, gained hydrophobic type The thickness of fibrous layer is 15 μm；
4th step, above-mentioned tunica fibrosa is heat-treated 15 minutes in 100 DEG C of environment, makes hydrophilic fiber layer that chemistry occur Cross-linking reaction forms moisture expantion fibrous layer, so as to obtain the fiber base waterproof humidity-permeant film with intelligent unidirectional moisture conducting function；According to It is 122kPa to test the film water pressure resistance according to national standard GB/T4744-1997, and moisture-inhibiting is carried out to tunica fibrosa according to ASTM E96BW standards Test, the moisture-inhibiting of composite cellulosic membrane is 17800g/m in the low moisture environments that relative humidity is 50%2/ d, marked according to GB/T12704 Quasi- test compound tunica fibrosa is 31500g/m in the high humidity environment vapor transfer rate that relative humidity is 90%2/d。
Embodiment 4
As shown in figure 1, a kind of fiber base waterproof humidity-permeant film of intelligent unidirectional moisture conducting function is by moisture expantion fibrous layer 1, glue Glutinous agent 2 and hydrophobic type fibrous layer 3 form, and its preparation method is：
The first step：By Sodium Polyacrylate (relative molecular mass 4000) it is soluble in water prepare mass fraction be 30% it is poly- Sodium acrylate solution, and N is added, N- methylene-bisacrylamides account for poly- third as crosslinking agent, N, N- methylene-bisacrylamides The mass fraction of olefin(e) acid sodium is 5%, is uniformly mixing to obtain spinning solution；Hydrophilic is prepared on copper mesh by electrospinning process Fibrous layer, spinning voltage 50kV, it is 20cm to receive distance, and the liquid supply speed of spinning solution is 5mL/h, gained hydrophilic fiber The thickness of layer is 30 μm；
Second step：Phenolic resin adhesive emulsion (viscosity 10000cps) is sprayed on by electrostatic spraying method hydrophilic On fiber type layer, adhesive layer, spray voltage 20kV, liquid supply speed 2mL/h are formed, spray time is 1 minute；
3rd step, polyvinyl acetate (relative molecular mass 50000) is dissolved in into preparation mass fraction in ethanol is 15% polyvinyl acetate spinning solution, hydrophobic type fibrous layer is formed on above-mentioned adhesive layer by electrospinning process, Obtain tunica fibrosa, spinning voltage 40kV, it is 25cm to receive distance, and the liquid supply speed of spinning solution is 3mL/h, gained hydrophobic type The thickness of fibrous layer is 10 μm；
4th step, above-mentioned tunica fibrosa is heat-treated 15 minutes in 100 DEG C of environment, makes hydrophilic fiber layer that chemistry occur Cross-linking reaction forms moisture expantion fibrous layer, so as to obtain the fiber base waterproof humidity-permeant film with intelligent unidirectional moisture conducting function；According to It is 114kPa to test the film water pressure resistance according to national standard GB/T4744-1997, and moisture-inhibiting is carried out to tunica fibrosa according to ASTM E96BW standards Test, the moisture-inhibiting of composite cellulosic membrane is 16600g/m in the low moisture environments that relative humidity is 50%2/ d, marked according to GB/T12704 Quasi- test compound tunica fibrosa is 30000g/m in the high humidity environment vapor transfer rate that relative humidity is 90%2/d。
Embodiment 5
As shown in figure 1, a kind of fiber base waterproof humidity-permeant film of intelligent unidirectional moisture conducting function is by moisture expantion fibrous layer 1, glue Glutinous agent 2 and hydrophobic type fibrous layer 3 form, and its preparation method is：
The first step：It is 30% by polyacrylamide (relative molecular mass 1000000) mass fraction soluble in water of preparing Polyacrylamide solution, and add N, N- methylene-bisacrylamides account for as crosslinking agent, N, N- methylene-bisacrylamides The mass fraction of polyacrylamide is 5%, is uniformly mixing to obtain spinning solution；Prepared by electrospinning process on immersion oil paper Hydrophilic fiber layer, spinning voltage 5kV, it is 30cm to receive distance, and the liquid supply speed of spinning solution is 0.5mL/h, and gained is close The thickness of water type fibrous layer is 15 μm；
Second step：Phenolic resin adhesive emulsion (viscosity 10000cps) is sprayed on by electrostatic spraying method hydrophilic On fiber type layer, adhesive layer, spray voltage 20kV, liquid supply speed 2mL/h are formed, spray time is 1 minute；
3rd step, polyvinyl acetate (relative molecular mass 50000) is dissolved in into preparation mass fraction in ethanol is 15% polyvinyl acetate spinning solution, hydrophobic type fibrous layer is formed on above-mentioned adhesive layer by electrospinning process, Obtain tunica fibrosa, spinning voltage 50kV, it is 25cm to receive distance, and the liquid supply speed of spinning solution is 3mL/h, gained hydrophobic type The thickness of fibrous layer is 15 μm；
4th step, above-mentioned tunica fibrosa is heat-treated 15 minutes in 100 DEG C of environment, makes hydrophilic fiber layer that chemistry occur Cross-linking reaction forms moisture expantion fibrous layer, so as to obtain the fiber base waterproof humidity-permeant film with intelligent unidirectional moisture conducting function；According to It is 132kPa to test the film water pressure resistance according to national standard GB/T4744-1997, and moisture-inhibiting is carried out to tunica fibrosa according to ASTM E96BW standards Test, the moisture-inhibiting of composite cellulosic membrane is 15000g/m in the low moisture environments that relative humidity is 50%2/ d, marked according to GB/T12704 Quasi- test compound tunica fibrosa is 31500g/m in the high humidity environment vapor transfer rate that relative humidity is 90%2/d。
Embodiment 6
As shown in figure 1, a kind of fiber base waterproof humidity-permeant film of intelligent unidirectional moisture conducting function is by moisture expantion fibrous layer 1, glue Glutinous agent 2 and hydrophobic type fibrous layer 3 form, and its preparation method is：
The first step：It is 30% by polyacrylamide (relative molecular mass 1000000) mass fraction soluble in water of preparing Polyacrylamide solution, and add glutaraldehyde as crosslinking agent, the mass fraction that glutaraldehyde accounts for polyacrylamide is 5%, is stirred Mix and uniformly obtain spinning solution；Hydrophilic fiber layer is prepared on immersion oil paper by electrospinning process, spinning voltage 50kV, It is 10cm to receive distance, and the liquid supply speed of spinning solution is 0.5mL/h, and the thickness of gained hydrophilic fiber layer is 10 μm；
Second step：Phenolic resin adhesive emulsion (viscosity 10000cps) is sprayed on by electrostatic spraying method hydrophilic On fiber type layer, adhesive layer, spray voltage 30kV, liquid supply speed 2mL/h are formed, spray time is 1 minute；
3rd step, polyvinyl acetate (relative molecular mass 50000) is dissolved in into preparation mass fraction in ethanol is 15% polyvinyl acetate spinning solution, hydrophobic type fibrous layer is formed on above-mentioned adhesive layer by electrospinning process, Obtain tunica fibrosa, spinning voltage 50kV, it is 25cm to receive distance, and the liquid supply speed of spinning solution is 3mL/h, gained hydrophobic type The thickness of fibrous layer is 15 μm；
4th step, above-mentioned tunica fibrosa is heat-treated 15 minutes in 100 DEG C of environment, makes hydrophilic fiber layer that chemistry occur Cross-linking reaction forms moisture expantion fibrous layer, so as to obtain the fiber base waterproof humidity-permeant film with intelligent unidirectional moisture conducting function；According to It is 100kPa to test the film water pressure resistance according to national standard GB/T4744-1997, and moisture-inhibiting is carried out to tunica fibrosa according to ASTM E96BW standards Test, the moisture-inhibiting of composite cellulosic membrane is 15400g/m in the low moisture environments that relative humidity is 50%2/ d, marked according to GB/T12704 Quasi- test compound tunica fibrosa is 31500g/m in the high humidity environment vapor transfer rate that relative humidity is 90%2/d。
Embodiment 7
As shown in figure 1, a kind of fiber base waterproof humidity-permeant film of intelligent unidirectional moisture conducting function is by moisture expantion fibrous layer 1, glue Glutinous agent 2 and hydrophobic type fibrous layer 3 form, and its preparation method is：
The first step：It is 30% by polyacrylamide (relative molecular mass 1000000) mass fraction soluble in water of preparing Polyacrylamide solution, and add glutaraldehyde as crosslinking agent, the mass fraction that glutaraldehyde accounts for polyacrylamide is 5%, is stirred Mix and uniformly obtain spinning solution；Hydrophilic fiber layer is prepared on immersion oil paper by electrospinning process, spinning voltage 50kV, It is 30cm to receive distance, and the liquid supply speed of spinning solution is 0.5mL/h, and the thickness of gained hydrophilic fiber layer is 10 μm；
Second step：Phenolic resin adhesive emulsion (viscosity 10000cps) is sprayed on by electrostatic spraying method hydrophilic On fiber type layer, adhesive layer, spray voltage 30kV, liquid supply speed 0.5mL/h are formed, spray time is 5 minutes；
3rd step, polyvinyl acetate (relative molecular mass 50000) is dissolved in into preparation mass fraction in ethanol is 20% polyvinyl acetate spinning solution, hydrophobic type fibrous layer is formed on above-mentioned adhesive layer by electrospinning process, Obtain tunica fibrosa, spinning voltage 50kV, it is 25cm to receive distance, and the liquid supply speed of spinning solution is 3mL/h, gained hydrophobic type The thickness of fibrous layer is 15 μm；
4th step, above-mentioned tunica fibrosa is heat-treated 15 minutes in 100 DEG C of environment, makes hydrophilic fiber layer that chemistry occur Cross-linking reaction forms moisture expantion fibrous layer, so as to obtain the fiber base waterproof humidity-permeant film with intelligent unidirectional moisture conducting function；According to It is 116kPa to test the film water pressure resistance according to national standard GB/T4744-1997, and moisture-inhibiting is carried out to tunica fibrosa according to ASTM E96BW standards Test, the moisture-inhibiting of composite cellulosic membrane is 15800g/m in the low moisture environments that relative humidity is 50%2/ d, marked according to GB/T12704 Quasi- test compound tunica fibrosa is 31200g/m in the high humidity environment vapor transfer rate that relative humidity is 90%2/d。
Embodiment 8
As shown in figure 1, a kind of fiber base waterproof humidity-permeant film of intelligent unidirectional moisture conducting function is by moisture expantion fibrous layer 1, glue Glutinous agent 2 and hydrophobic type fibrous layer 3 form, and its preparation method is：
The first step：It is 24% by polyacrylamide (relative molecular mass 1000000) mass fraction soluble in water of preparing Polyacrylamide solution, and add glutaraldehyde as crosslinking agent, the mass fraction that glutaraldehyde accounts for polyacrylamide is 5%, is stirred Mix and uniformly obtain spinning solution；Hydrophilic fiber layer is prepared on aluminium foil by electrospinning process, spinning voltage 50kV, is connect It is 30cm to receive distance, and the liquid supply speed of spinning solution is 10mL/h, and the thickness of gained hydrophilic fiber layer is 30 μm；
Second step：Phenolic resin adhesive emulsion (viscosity 10000cps) is sprayed on by electrostatic spraying method hydrophilic On fiber type layer, adhesive layer, spray voltage 30kV, liquid supply speed 0.5mL/h are formed, spray time is 5 minutes；
3rd step, polyvinyl acetate (relative molecular mass 50000) is dissolved in into preparation mass fraction in ethanol is 20% polyvinyl acetate spinning solution, hydrophobic type fibrous layer is formed on above-mentioned adhesive layer by electrospinning process, Obtain tunica fibrosa, spinning voltage 50kV, it is 25cm to receive distance, and the liquid supply speed of spinning solution is 3mL/h, gained hydrophobic type The thickness of fibrous layer is 10 μm；
4th step, above-mentioned tunica fibrosa is heat-treated 15 minutes in 100 DEG C of environment, makes hydrophilic fiber layer that chemistry occur Cross-linking reaction forms moisture expantion fibrous layer, so as to obtain the fiber base waterproof humidity-permeant film with intelligent unidirectional moisture conducting function；According to It is 128kPa to test the film water pressure resistance according to national standard GB/T4744-1997, and moisture-inhibiting is carried out to tunica fibrosa according to ASTM E96BW standards Test, the moisture-inhibiting of composite cellulosic membrane is 17100g/m in the low moisture environments that relative humidity is 50%2/ d, marked according to GB/T12704 Quasi- test compound tunica fibrosa is 30200g/m in the high humidity environment vapor transfer rate that relative humidity is 90%2/d。
Embodiment 9
As shown in figure 1, a kind of fiber base waterproof humidity-permeant film of intelligent unidirectional moisture conducting function is by moisture expantion fibrous layer 1, glue Glutinous agent 2 and hydrophobic type fibrous layer 3 form, and its preparation method is：
The first step：By polyvinyl alcohol (relative molecular mass 60000) it is soluble in water prepare mass fraction be 24% it is poly- Glycohol solution, and maleic anhydride is added as crosslinking agent, the mass fraction that maleic anhydride accounts for polyvinyl alcohol is 5%, it is uniformly mixing to obtain spinning solution；Hydrophilic fiber layer is prepared on aluminium foil by electrospinning process, spinning voltage is 50kV, it is 30cm to receive distance, and the liquid supply speed of spinning solution is 3mL/h, and the thickness of gained hydrophilic fiber layer is 30 μm；
Second step：Phenolic resin adhesive emulsion (viscosity 10000cps) is sprayed on by electrostatic spraying method hydrophilic On fiber type layer, adhesive layer, spray voltage 30kV, liquid supply speed 0.5mL/h are formed, spray time is 5 minutes；
3rd step, polyvinyl acetate (relative molecular mass 50000) is dissolved in into preparation mass fraction in ethanol is 20% polyvinyl acetate spinning solution, hydrophobic type fibrous layer is formed on above-mentioned adhesive layer by electrospinning process, Obtain tunica fibrosa, spinning voltage 50kV, it is 25cm to receive distance, and the liquid supply speed of spinning solution is 3mL/h, gained hydrophobic type The thickness of fibrous layer is 10 μm；
4th step, above-mentioned tunica fibrosa is heat-treated 15 minutes in 100 DEG C of environment, makes hydrophilic fiber layer that chemistry occur Cross-linking reaction forms moisture expantion fibrous layer, so as to obtain the fiber base waterproof humidity-permeant film with intelligent unidirectional moisture conducting function；According to It is 108kPa to test the film water pressure resistance according to national standard GB/T4744-1997, and moisture-inhibiting is carried out to tunica fibrosa according to ASTM E96BW standards Test, the moisture-inhibiting of composite cellulosic membrane is 17300g/m in the low moisture environments that relative humidity is 50%2/ d, marked according to GB/T12704 Quasi- test compound tunica fibrosa is 31200g/m in the high humidity environment vapor transfer rate that relative humidity is 90%2/d。
Embodiment 10
As shown in figure 1, a kind of fiber base waterproof humidity-permeant film of intelligent unidirectional moisture conducting function is by moisture expantion fibrous layer 1, glue Glutinous agent 2 and hydrophobic type fibrous layer 3 form, and its preparation method is：
The first step：By polyvinyl alcohol (relative molecular mass 60000) it is soluble in water prepare mass fraction be 24% it is poly- Glycohol solution, and maleic anhydride is added as crosslinking agent, the mass fraction that maleic anhydride accounts for polyvinyl alcohol is 2%, it is uniformly mixing to obtain spinning solution；Hydrophilic fiber layer is prepared on aluminium foil by electrospinning process, spinning voltage is 50kV, it is 20cm to receive distance, and the liquid supply speed of spinning solution is 3mL/h, and the thickness of gained hydrophilic fiber layer is 30 μm；
Second step：Phenolic resin adhesive emulsion (viscosity 10000cps) is sprayed on by electrostatic spraying method hydrophilic On fiber type layer, adhesive layer, spray voltage 30kV, liquid supply speed 5mL/h are formed, spray time is 3 minutes；
3rd step, polyvinyl acetate (relative molecular mass 50000) is dissolved in into preparation mass fraction in ethanol is 20% polyvinyl acetate spinning solution, hydrophobic type fibrous layer is formed on above-mentioned adhesive layer by electrospinning process, Obtain tunica fibrosa, spinning voltage 50kV, it is 15cm to receive distance, and the liquid supply speed of spinning solution is 3mL/h, gained hydrophobic type The thickness of fibrous layer is 10 μm；
4th step, above-mentioned tunica fibrosa is heat-treated 15 minutes in 100 DEG C of environment, makes hydrophilic fiber layer that chemistry occur Cross-linking reaction forms moisture expantion fibrous layer, so as to obtain the fiber base waterproof humidity-permeant film with intelligent unidirectional moisture conducting function；According to It is 114Pa to test the film water pressure resistance according to national standard GB/T4744-1997, and moisture-inhibiting survey is carried out to tunica fibrosa according to ASTM E96BW standards Try, the moisture-inhibiting of composite cellulosic membrane is 16800g/m in the low moisture environments that relative humidity is 50%2/ d, according to GB/T12704 standards Test compound tunica fibrosa is 32200g/m in the high humidity environment vapor transfer rate that relative humidity is 90%2/d。
Embodiment 11
As shown in figure 1, a kind of fiber base waterproof humidity-permeant film of intelligent unidirectional moisture conducting function is by moisture expantion fibrous layer 1, glue Glutinous agent 2 and hydrophobic type fibrous layer 3 form, and its preparation method is：
The first step：By polyvinyl alcohol (relative molecular mass 60000) it is soluble in water prepare mass fraction be 24% it is poly- Glycohol solution, and maleic anhydride is added as crosslinking agent, the mass fraction that maleic anhydride accounts for polyvinyl alcohol is 2%, it is uniformly mixing to obtain spinning solution；Hydrophilic fiber layer is prepared on aluminium foil by electrospinning process, spinning voltage is 50kV, it is 20cm to receive distance, and the liquid supply speed of spinning solution is 0.5mL/h, and the thickness of gained hydrophilic fiber layer is 30 μm；
Second step：Phenolic resin adhesive emulsion (viscosity 10000cps) is sprayed on by electrostatic spraying method hydrophilic On fiber type layer, adhesive layer, spray voltage 30kV, liquid supply speed 5mL/h are formed, spray time is 3 minutes；
3rd step, polyvinyl acetate (relative molecular mass 50000) is dissolved in into preparation mass fraction in ethanol is 20% polyvinyl acetate spinning solution, hydrophobic type fibrous layer is formed on above-mentioned adhesive layer by electrospinning process, Obtain tunica fibrosa, spinning voltage 50kV, it is 15cm to receive distance, and the liquid supply speed of spinning solution is 3mL/h, gained hydrophobic type The thickness of fibrous layer is 10 μm；
4th step, above-mentioned tunica fibrosa is heat-treated 15 minutes in 100 DEG C of environment, makes hydrophilic fiber layer that chemistry occur Cross-linking reaction forms moisture expantion fibrous layer, so as to obtain the fiber base waterproof humidity-permeant film with intelligent unidirectional moisture conducting function；According to It is 124Pa to test the film water pressure resistance according to national standard GB/T4744-1997, and moisture-inhibiting survey is carried out to tunica fibrosa according to ASTM E96BW standards Try, the moisture-inhibiting of composite cellulosic membrane is 16200g/m in the low moisture environments that relative humidity is 50%2/ d, according to GB/T12704 standards Test compound tunica fibrosa is 33200g/m in the high humidity environment vapor transfer rate that relative humidity is 90%2/d。
Embodiment 12
As shown in figure 1, a kind of fiber base waterproof humidity-permeant film of intelligent unidirectional moisture conducting function is by moisture expantion fibrous layer 1, glue Glutinous agent 2 and hydrophobic type fibrous layer 3 form, and its preparation method is：
The first step：By polyvinyl alcohol (relative molecular mass 60000) it is soluble in water prepare mass fraction be 20% it is poly- Glycohol solution, and maleic anhydride is added as crosslinking agent, the mass fraction that maleic anhydride accounts for polyvinyl alcohol is 3%, it is uniformly mixing to obtain spinning solution；Hydrophilic fiber layer is prepared on aluminium foil by electrospinning process, spinning voltage is 30kV, it is 20cm to receive distance, and the liquid supply speed of spinning solution is 3mL/h, and the thickness of gained hydrophilic fiber layer is 30 μm；
Second step：Phenolic resin adhesive emulsion (viscosity 10000cps) is sprayed on by electrostatic spraying method hydrophilic On fiber type layer, adhesive layer, spray voltage 30kV, liquid supply speed 2mL/h are formed, spray time is 3 minutes；
3rd step, polyvinyl acetate (relative molecular mass 50000) is dissolved in into preparation mass fraction in ethanol is 20% polyvinyl acetate spinning solution, hydrophobic type fibrous layer is formed on above-mentioned adhesive layer by electrospinning process, Obtain tunica fibrosa, spinning voltage 50kV, it is 15cm to receive distance, and the liquid supply speed of spinning solution is 3mL/h, gained hydrophobic type The thickness of fibrous layer is 10 μm；
4th step, above-mentioned tunica fibrosa is heat-treated 15 minutes in 100 DEG C of environment, makes hydrophilic fiber layer that chemistry occur Cross-linking reaction forms moisture expantion fibrous layer, so as to obtain the fiber base waterproof humidity-permeant film with intelligent unidirectional moisture conducting function；According to It is 114Pa to test the film water pressure resistance according to national standard GB/T4744-1997, and moisture-inhibiting survey is carried out to tunica fibrosa according to ASTM E96BW standards Try, the moisture-inhibiting of composite cellulosic membrane is 15200g/m in the low moisture environments that relative humidity is 50%2/ d, according to GB/T12704 standards Test compound tunica fibrosa is 33900g/m in the high humidity environment vapor transfer rate that relative humidity is 90%2/d。
Embodiment 13
As shown in figure 1, a kind of fiber base waterproof humidity-permeant film of intelligent unidirectional moisture conducting function is by moisture expantion fibrous layer 1, glue Glutinous agent 2 and hydrophobic type fibrous layer 3 form, and its preparation method is：
The first step：By polyvinyl alcohol (relative molecular mass 60000) it is soluble in water prepare mass fraction be 20% it is poly- Glycohol solution, and maleic anhydride is added as crosslinking agent, the mass fraction that maleic anhydride accounts for polyvinyl alcohol is 4%, it is uniformly mixing to obtain spinning solution；Hydrophilic fiber layer is prepared on aluminium foil by electrospinning process, spinning voltage is 50kV, it is 20cm to receive distance, and the liquid supply speed of spinning solution is 3mL/h, and the thickness of gained hydrophilic fiber layer is 25 μm；
Second step：Phenolic resin adhesive emulsion (viscosity 10000cps) is sprayed on by electrostatic spraying method hydrophilic On fiber type layer, adhesive layer, spray voltage 30kV, liquid supply speed 3mL/h are formed, spray time is 2 minutes；
3rd step, Kynoar (relative molecular mass 400000) is dissolved in DMA and prepares matter The Kynoar spinning solution that fraction is 20% is measured, forms hydrophobic type fibre on above-mentioned adhesive layer by electrospinning process Layer is tieed up, obtains tunica fibrosa, spinning voltage 30kV, it is 15cm to receive distance, and the liquid supply speed of spinning solution is 3mL/h, gained The thickness of hydrophobic type fibrous layer is 15 μm；
4th step, above-mentioned tunica fibrosa is heat-treated 15 minutes in 100 DEG C of environment, makes hydrophilic fiber layer that chemistry occur Cross-linking reaction forms moisture expantion fibrous layer, so as to obtain the fiber base waterproof humidity-permeant film with intelligent unidirectional moisture conducting function；According to It is 128Pa to test the film water pressure resistance according to national standard GB/T4744-1997, and moisture-inhibiting survey is carried out to tunica fibrosa according to ASTM E96BW standards Try, the moisture-inhibiting of composite cellulosic membrane is 17500g/m in the low moisture environments that relative humidity is 50%2/ d, according to GB/T12704 standards Test compound tunica fibrosa is 32100g/m in the high humidity environment vapor transfer rate that relative humidity is 90%2/d。
Embodiment 14
As shown in figure 1, a kind of fiber base waterproof humidity-permeant film of intelligent unidirectional moisture conducting function is by moisture expantion fibrous layer 1, glue Glutinous agent 2 and hydrophobic type fibrous layer 3 form, and its preparation method is：
The first step：By Sodium Polyacrylate (relative molecular mass 4000) it is soluble in water prepare mass fraction be 20% it is poly- Sodium acrylate solution, and add hydroxyethyl methacrylate and account for Sodium Polyacrylate as crosslinking agent, hydroxyethyl methacrylate Mass fraction is 4%, is uniformly mixing to obtain spinning solution；Hydrophilic fiber layer is prepared on aluminium foil by electrospinning process, Spinning voltage is 50kV, and it is 30cm to receive distance, and the liquid supply speed of spinning solution is 2mL/h, the thickness of gained hydrophilic fiber layer Spend for 15 μm；
Second step：Phenolic resin adhesive emulsion (viscosity 10000cps) is sprayed on by electrostatic spraying method hydrophilic On fiber type layer, adhesive layer, spray voltage 40kV, liquid supply speed 3mL/h are formed, spray time is 2 minutes；
3rd step, Kynoar (relative molecular mass 400000) is dissolved in DMA and prepares matter The Kynoar spinning solution that fraction is 30% is measured, forms hydrophobic type fibre on above-mentioned adhesive layer by electrospinning process Layer is tieed up, obtains tunica fibrosa, spinning voltage 30kV, it is 15cm to receive distance, and the liquid supply speed of spinning solution is 3mL/h, gained The thickness of hydrophobic type fibrous layer is 20 μm；
4th step, above-mentioned tunica fibrosa is heat-treated 25 minutes in 100 DEG C of environment, makes hydrophilic fiber layer that chemistry occur Cross-linking reaction forms moisture expantion fibrous layer, so as to obtain the fiber base waterproof humidity-permeant film with intelligent unidirectional moisture conducting function；According to It is 120Pa to test the film water pressure resistance according to national standard GB/T4744-1997, and moisture-inhibiting survey is carried out to tunica fibrosa according to ASTM E96BW standards Try, the moisture-inhibiting of composite cellulosic membrane is 17300g/m in the low moisture environments that relative humidity is 50%2/ d, according to GB/T12704 standards Test compound tunica fibrosa is 31200g/m in the high humidity environment vapor transfer rate that relative humidity is 90%2/d。
Embodiment 15
As shown in figure 1, a kind of fiber base waterproof humidity-permeant film of intelligent unidirectional moisture conducting function is by moisture expantion fibrous layer 1, glue Glutinous agent 2 and hydrophobic type fibrous layer 3 form, and its preparation method is：
The first step：By Sodium Polyacrylate (relative molecular mass 4000) it is soluble in water prepare mass fraction be 10% it is poly- Sodium acrylate solution, and add hydroxyethyl methacrylate and account for Sodium Polyacrylate as crosslinking agent, hydroxyethyl methacrylate Mass fraction is 2%, is uniformly mixing to obtain spinning solution；Hydrophilic fiber layer is prepared on aluminium foil by electrospinning process, Spinning voltage is 30kV, and it is 30cm to receive distance, and the liquid supply speed of spinning solution is 2mL/h, the thickness of gained hydrophilic fiber layer Spend for 2 μm；
Second step：Phenolic resin adhesive emulsion (viscosity 10000cps) is sprayed on by electrostatic spraying method hydrophilic On fiber type layer, adhesive layer, spray voltage 20kV, liquid supply speed 2mL/h are formed, spray time is 2 minutes；
3rd step, Kynoar (relative molecular mass 400000) is dissolved in DMA and prepares matter The Kynoar spinning solution that fraction is 30% is measured, forms hydrophobic type fibre on above-mentioned adhesive layer by electrospinning process Layer is tieed up, obtains tunica fibrosa, spinning voltage 30kV, it is 15cm to receive distance, and the liquid supply speed of spinning solution is 3mL/h, gained The thickness of hydrophobic type fibrous layer is 30 μm；
4th step, above-mentioned tunica fibrosa is heat-treated 10 minutes in 110 DEG C of environment, makes hydrophilic fiber layer that chemistry occur Cross-linking reaction forms moisture expantion fibrous layer, so as to obtain the fiber base waterproof humidity-permeant film with intelligent unidirectional moisture conducting function；According to It is 132Pa to test the film water pressure resistance according to national standard GB/T4744-1997, and moisture-inhibiting survey is carried out to tunica fibrosa according to ASTM E96BW standards Try, the moisture-inhibiting of composite cellulosic membrane is 19600g/m in the low moisture environments that relative humidity is 50%2/ d, according to GB/T12704 standards Test compound tunica fibrosa is 32200g/m in the high humidity environment vapor transfer rate that relative humidity is 90%2/d。
Embodiment 16
As shown in figure 1, a kind of fiber base waterproof humidity-permeant film of intelligent unidirectional moisture conducting function is by moisture expantion fibrous layer 1, glue Glutinous agent 2 and hydrophobic type fibrous layer 3 form, and its preparation method is：
The first step：It is 15% by polyacrylamide (relative molecular mass 1000000) mass fraction soluble in water of preparing Polyacrylamide solution, and add N, N- bismethacrylamides account for as crosslinking agent, N, N- bismethacrylamides The mass fraction of polyacrylamide is 4%, is uniformly mixing to obtain spinning solution；Parent is prepared on aluminium foil by electrospinning process Water type fibrous layer, spinning voltage 30kV, it is 30cm to receive distance, and the liquid supply speed of spinning solution is 5mL/h, gained hydrophilic The thickness of fibrous layer is 30 μm；
Second step：Phenolic resin adhesive emulsion (viscosity 10000cps) is sprayed on by electrostatic spraying method hydrophilic On fiber type layer, adhesive layer, spray voltage 30kV, liquid supply speed 2mL/h are formed, spray time is 1 minute；
3rd step, Kynoar (relative molecular mass 400000) is dissolved in DMA and prepares matter The Kynoar spinning solution that fraction is 30% is measured, forms hydrophobic type fibre on above-mentioned adhesive layer by electrospinning process Layer is tieed up, obtains tunica fibrosa, spinning voltage 20kV, it is 10cm to receive distance, and the liquid supply speed of spinning solution is 3mL/h, gained The thickness of hydrophobic type fibrous layer is 10 μm；
4th step, above-mentioned tunica fibrosa is heat-treated 10 minutes in 110 DEG C of environment, makes hydrophilic fiber layer that chemistry occur Cross-linking reaction forms moisture expantion fibrous layer, so as to obtain the fiber base waterproof humidity-permeant film with intelligent unidirectional moisture conducting function；According to It is 121Pa to test the film water pressure resistance according to national standard GB/T4744-1997, and moisture-inhibiting survey is carried out to tunica fibrosa according to ASTM E96BW standards Try, the moisture-inhibiting of composite cellulosic membrane is 16900g/m in the low moisture environments that relative humidity is 50%2/ d, according to GB/T12704 standards Test compound tunica fibrosa is 33800g/m in the high humidity environment vapor transfer rate that relative humidity is 90%2/d。
Embodiment 17
As shown in figure 1, a kind of fiber base waterproof humidity-permeant film of intelligent unidirectional moisture conducting function is by moisture expantion fibrous layer 1, glue Glutinous agent 2 and hydrophobic type fibrous layer 3 form, and its preparation method is：
The first step：It is 15% by polyacrylamide (relative molecular mass 1000000) mass fraction soluble in water of preparing Polyacrylamide solution, and add N, N- bismethacrylamides account for as crosslinking agent, N, N- bismethacrylamides The mass fraction of polyacrylamide is 2%, is uniformly mixing to obtain spinning solution；Parent is prepared on aluminium foil by electrospinning process Water type fibrous layer, spinning voltage 30kV, it is 30cm to receive distance, and the liquid supply speed of spinning solution is 5mL/h, gained hydrophilic The thickness of fibrous layer is 30 μm；
Second step：Phenolic resin adhesive emulsion (viscosity 10000cps) is sprayed on by electrostatic spraying method hydrophilic On fiber type layer, adhesive layer, spray voltage 30kV, liquid supply speed 2mL/h are formed, spray time is 1 minute；
3rd step, Kynoar-hexafluoropropene (relative molecular mass 500000) is dissolved in N, N- dimethylacetamides Kynoar-hexafluoropropene spinning solution that mass fraction is 30% is prepared in amine, by electrospinning process in above-mentioned glue Hydrophobic type fibrous layer is formed on adhensive layer, obtains tunica fibrosa, spinning voltage 20kV, it is 10cm to receive distance, spinning solution Liquid supply speed is 3mL/h, and the thickness of gained hydrophobic type fibrous layer is 10 μm；
4th step, above-mentioned tunica fibrosa is heat-treated 10 minutes in 130 DEG C of environment, makes hydrophilic fiber layer that chemistry occur Cross-linking reaction forms moisture expantion fibrous layer, so as to obtain the fiber base waterproof humidity-permeant film with intelligent unidirectional moisture conducting function；According to It is 112Pa to test the film water pressure resistance according to national standard GB/T4744-1997, and moisture-inhibiting survey is carried out to tunica fibrosa according to ASTM E96BW standards Try, the moisture-inhibiting of composite cellulosic membrane is 16200g/m in the low moisture environments that relative humidity is 50%2/ d, according to GB/T12704 standards Test compound tunica fibrosa is 31600g/m in the high humidity environment vapor transfer rate that relative humidity is 90%2/d。
Embodiment 18
As shown in figure 1, a kind of fiber base waterproof humidity-permeant film of intelligent unidirectional moisture conducting function is by moisture expantion fibrous layer 1, glue Glutinous agent 2 and hydrophobic type fibrous layer 3 form, and its preparation method is：
The first step：By Sodium Polyacrylate (relative molecular mass 4000) it is soluble in water prepare mass fraction be 15% it is poly- Sodium acrylate solution, and N is added, N- bismethacrylamides account for poly- third as crosslinking agent, N, N- bismethacrylamides The mass fraction of olefin(e) acid sodium is 2%, is uniformly mixing to obtain spinning solution；Hydrophilic is prepared on aluminium foil by electrospinning process Fibrous layer, spinning voltage 30kV, it is 30cm to receive distance, and the liquid supply speed of spinning solution is 5mL/h, gained hydrophilic fiber The thickness of layer is 20 μm；
Second step：By electrostatic spraying method by polyvinyl butyral resin gluing agent emulsion (viscosity 15000cps) It is sprayed on hydrophilic fiber layer, forms adhesive layer, spray voltage 30kV, liquid supply speed 2mL/h, spray time is 1 point Clock；
3rd step, Kynoar-hexafluoropropene (relative molecular mass 500000) is dissolved in N, N- dimethylacetamides Kynoar-hexafluoropropene spinning solution that mass fraction is 30% is prepared in amine, by electrospinning process in above-mentioned glue Hydrophobic type fibrous layer is formed on adhensive layer, obtains tunica fibrosa, spinning voltage 20kV, it is 10cm to receive distance, spinning solution Liquid supply speed is 3mL/h, and the thickness of gained hydrophobic type fibrous layer is 10 μm；
4th step, above-mentioned tunica fibrosa is heat-treated 10 minutes in 120 DEG C of environment, makes hydrophilic fiber layer that chemistry occur Cross-linking reaction forms moisture expantion fibrous layer, so as to obtain the fiber base Waterproof Breathable with intelligent unidirectional moisture conducting function；Foundation It is 129Pa that national standard GB/T4744-1997, which tests the film water pressure resistance, and moisture-inhibiting survey is carried out to tunica fibrosa according to ASTM E96BW standards Try, the moisture-inhibiting of composite cellulosic membrane is 19800g/m in the low moisture environments that relative humidity is 50%2/ d, according to GB/T12704 standards Test compound tunica fibrosa is 33500g/m in the high humidity environment vapor transfer rate that relative humidity is 90%2/d。
Embodiment 19
As shown in figure 1, a kind of fiber base waterproof humidity-permeant film of intelligent unidirectional moisture conducting function is by moisture expantion fibrous layer 1, glue Glutinous agent 2 and hydrophobic type fibrous layer 3 form, and its preparation method is：
The first step：By polyvinyl alcohol (relative molecular mass 60000) it is soluble in water prepare mass fraction be 25% it is poly- Glycohol solution, and triethylene-glycol is added as crosslinking agent, the mass fraction that triethylene-glycol accounts for polyvinyl alcohol is 3%, it is uniformly mixing to obtain spinning solution；Hydrophilic fiber layer is prepared on aluminium foil by electrospinning process, spinning voltage is 40kV, it is 30cm to receive distance, and the liquid supply speed of spinning solution is 5mL/h, and the thickness of gained hydrophilic fiber layer is 20 μm；
Second step：By electrostatic spraying method by polyvinyl butyral resin gluing agent emulsion (viscosity 15000cps) It is sprayed on hydrophilic fiber layer, forms adhesive layer, spray voltage 30kV, liquid supply speed 2mL/h, spray time is 1 point Clock；
3rd step, Kynoar-hexafluoropropene (relative molecular mass 500000) is dissolved in N, N- dimethylacetamides Kynoar-hexafluoropropene spinning solution that mass fraction is 30% is prepared in amine, by electrospinning process in above-mentioned glue Hydrophobic type fibrous layer is formed on adhensive layer, obtains tunica fibrosa, spinning voltage 20kV, it is 10cm to receive distance, spinning solution Liquid supply speed is 3mL/h, and the thickness of gained hydrophobic type fibrous layer is 10 μm；
4th step, above-mentioned tunica fibrosa is heat-treated 20 minutes in 120 DEG C of environment, makes hydrophilic fiber layer that chemistry occur Cross-linking reaction forms moisture expantion fibrous layer, so as to obtain the fiber base waterproof humidity-permeant film with intelligent unidirectional moisture conducting function；According to It is 124Pa to test the film water pressure resistance according to national standard GB/T4744-1997, and moisture-inhibiting survey is carried out to tunica fibrosa according to ASTM E96BW standards Try, the moisture-inhibiting of composite cellulosic membrane is 15600g/m in the low moisture environments that relative humidity is 50%2/ d, according to GB/T12704 standards Test compound tunica fibrosa is 33700g/m in the high humidity environment vapor transfer rate that relative humidity is 90%2/d。
Embodiment 20
As shown in figure 1, a kind of fiber base waterproof humidity-permeant film of intelligent unidirectional moisture conducting function is by moisture expantion fibrous layer 1, glue Glutinous agent 2 and hydrophobic type fibrous layer 3 form, and its preparation method is：
The first step：By polyvinyl alcohol (relative molecular mass 60000) it is soluble in water prepare mass fraction be 20% it is poly- Glycohol solution, and triethylene-glycol is added as crosslinking agent, the mass fraction that triethylene-glycol accounts for polyvinyl alcohol is 3%, it is uniformly mixing to obtain spinning solution；Hydrophilic fiber layer is prepared on aluminium foil by electrospinning process, spinning voltage is 50kV, it is 30cm to receive distance, and the liquid supply speed of spinning solution is 5mL/h, and the thickness of gained hydrophilic fiber layer is 10 μm；
Second step：By electrostatic spraying method by polyvinyl butyral resin gluing agent emulsion (viscosity 15000cps) It is sprayed on hydrophilic fiber layer, forms adhesive layer, spray voltage 30kV, liquid supply speed 2mL/h, spray time is 1 point Clock；
3rd step, Kynoar-tetrafluoroethylene-perfluoro methyl vinyl ether (relative molecular mass 420000) is molten Kynoar-tetrafluoroethylene-perfluoro methyl vinyl ether that mass fraction is 20% is prepared in DMA Spinning solution, hydrophobic type fibrous layer is formed on above-mentioned adhesive layer by electrospinning process, obtains tunica fibrosa, spinning voltage For 20kV, it is 10cm to receive distance, and the liquid supply speed of spinning solution is 5mL/h, and the thickness of gained hydrophobic type fibrous layer is 15 μm；
4th step, above-mentioned tunica fibrosa is heat-treated 20 minutes in 120 DEG C of environment, makes hydrophilic fiber layer that chemistry occur Cross-linking reaction forms moisture expantion fibrous layer, so as to obtain the fiber base waterproof humidity-permeant film with intelligent unidirectional moisture conducting function；According to It is 128Pa to test the film water pressure resistance according to national standard GB/T4744-1997, and moisture-inhibiting survey is carried out to tunica fibrosa according to ASTM E96BW standards Try, the moisture-inhibiting of composite cellulosic membrane is 15700g/m in the low moisture environments that relative humidity is 50%2/ d, according to GB/T12704 standards Test compound tunica fibrosa is 34300g/m in the high humidity environment vapor transfer rate that relative humidity is 90%2/d。
Embodiment 21
As shown in figure 1, a kind of fiber base waterproof humidity-permeant film of intelligent unidirectional moisture conducting function is by moisture expantion fibrous layer 1, glue Glutinous agent 2 and hydrophobic type fibrous layer 3 form, and its preparation method is：
The first step：By Sodium Polyacrylate (relative molecular mass 4000) it is soluble in water prepare mass fraction be 15% it is poly- Sodium acrylate solution, and N is added, N- bismethacrylamides account for poly- third as crosslinking agent, N, N- bismethacrylamides The mass fraction of olefin(e) acid sodium is 2%, is uniformly mixing to obtain spinning solution；Hydrophilic is prepared on aluminium foil by electrospinning process Fibrous layer, spinning voltage 30kV, it is 30cm to receive distance, and the liquid supply speed of spinning solution is 5mL/h, gained hydrophilic fiber The thickness of layer is 20 μm；
Second step：By electrostatic spraying method by polyvinyl butyral resin gluing agent emulsion (viscosity 15000cps) It is sprayed on hydrophilic fiber layer, forms adhesive layer, spray voltage 30kV, liquid supply speed 2mL/h, spray time is 1 point Clock；
3rd step, Kynoar-tetrafluoroethylene-perfluoro methyl vinyl ether (relative molecular mass 420000) is molten Kynoar-tetrafluoroethylene-perfluoro methyl vinyl ether that mass fraction is 30% is prepared in DMA Spinning solution, hydrophobic type fibrous layer is formed on above-mentioned adhesive layer by electrospinning process, tunica fibrosa is obtained, passes through electrostatic Spinning process prepares hydrophobic type fibrous layer on hydrophilic fiber layer, and spinning voltage 20kV, it is 10cm to receive distance, and spinning is molten The liquid supply speed of liquid is 3mL/h, and the thickness of gained hydrophobic type fibrous layer is 15 μm；
4th step, above-mentioned tunica fibrosa is heat-treated 10 minutes in 120 DEG C of environment, makes hydrophilic fiber layer that chemistry occur Cross-linking reaction forms moisture expantion fibrous layer, so as to obtain the fiber base waterproof humidity-permeant film with intelligent unidirectional moisture conducting function；According to It is 118Pa to test the film water pressure resistance according to national standard GB/T4744-1997, and moisture-inhibiting survey is carried out to tunica fibrosa according to ASTM E96BW standards Try, the moisture-inhibiting of composite cellulosic membrane is 15800g/m in the low moisture environments that relative humidity is 50%2/ d, according to GB/T12704 standards Test compound tunica fibrosa is 32500g/m in the high humidity environment vapor transfer rate that relative humidity is 90%2/d。
Embodiment 22
As shown in figure 1, a kind of fiber base waterproof humidity-permeant film of intelligent unidirectional moisture conducting function is by moisture expantion fibrous layer 1, glue Glutinous agent 2 and hydrophobic type fibrous layer 3 form, and its preparation method is：
The first step：By Sodium Polyacrylate (relative molecular mass 4000) it is soluble in water prepare mass fraction be 10% it is poly- Sodium acrylate solution, and N is added, N- bismethacrylamides account for poly- third as crosslinking agent, N, N- bismethacrylamides The mass fraction of olefin(e) acid sodium is 2%, is uniformly mixing to obtain spinning solution；Hydrophilic is prepared on aluminium foil by electrospinning process Fibrous layer, spinning voltage 40kV, it is 20cm to receive distance, and the liquid supply speed of spinning solution is 3mL/h, gained hydrophilic fiber The thickness of layer is 20 μm；
Second step：By electrostatic spraying method by polyvinyl butyral resin gluing agent emulsion (viscosity 15000cps) It is sprayed on hydrophilic fiber layer, forms adhesive layer, spray voltage 30kV, liquid supply speed 2mL/h, spray time is 2 points Clock；
3rd step, Kynoar-tetrafluoroethylene-perfluoro methyl vinyl ether (relative molecular mass 420000) is molten Kynoar-tetrafluoroethylene-perfluoro methyl vinyl ether that mass fraction is 20% is prepared in DMA Spinning solution, hydrophobic type fibrous layer is formed on above-mentioned adhesive layer by electrospinning process, obtains tunica fibrosa, spinning voltage For 20kV, it is 30cm to receive distance, and the liquid supply speed of spinning solution is 3mL/h, and the thickness of gained hydrophobic type fibrous layer is 10 μm；
4th step, above-mentioned tunica fibrosa is heat-treated 10 minutes in 120 DEG C of environment, makes hydrophilic fiber layer that chemistry occur Cross-linking reaction forms moisture expantion fibrous layer, so as to obtain the fiber base waterproof humidity-permeant film with intelligent unidirectional moisture conducting function；According to It is 129Pa to test the film water pressure resistance according to national standard GB/T4744-1997, and moisture-inhibiting survey is carried out to tunica fibrosa according to ASTM E96BW standards Try, the moisture-inhibiting of composite cellulosic membrane is 17800g/m in the low moisture environments that relative humidity is 50%2/ d, according to GB/T12704 standards Test compound tunica fibrosa is 31200g/m in the high humidity environment vapor transfer rate that relative humidity is 90%2/d。
Embodiment 23
As shown in figure 1, a kind of fiber base waterproof humidity-permeant film of intelligent unidirectional moisture conducting function is by moisture expantion fibrous layer 1, glue Glutinous agent 2 and hydrophobic type fibrous layer 3 form, and its preparation method is：
The first step：By Sodium Polyacrylate (relative molecular mass 4000) it is soluble in water prepare mass fraction be 10% it is poly- Sodium acrylate solution, and N is added, N- bismethacrylamides account for poly- third as crosslinking agent, N, N- bismethacrylamides The mass fraction of olefin(e) acid sodium is 2%, is uniformly mixing to obtain spinning solution；Hydrophilic is prepared on aluminium foil by electrospinning process Fibrous layer, spinning voltage 40kV, it is 20cm to receive distance, and the liquid supply speed of spinning solution is 2mL/h, gained hydrophilic fiber The thickness of layer is 20 μm；
Second step：By electrostatic spraying method by polyvinyl butyral resin gluing agent emulsion (viscosity 15000cps) It is sprayed on hydrophilic fiber layer, forms adhesive layer, spray voltage 30kV, liquid supply speed 3mL/h, spray time is 2 points Clock；
3rd step, Kynoar-CTFE (relative molecular mass 23000) is dissolved in N, N- dimethylacetamides Kynoar-CTFE spinning solution that mass fraction is 10% is prepared in amine, by electrospinning process above-mentioned Hydrophobic type fibrous layer is formed on adhesive layer, obtains tunica fibrosa, spinning voltage 20kV, it is 30cm to receive distance, spinning solution Liquid supply speed be 5mL/h, the thickness of gained hydrophobic type fibrous layer is 20 μm；
4th step, above-mentioned tunica fibrosa is heat-treated 10 minutes in 120 DEG C of environment, makes hydrophilic fiber layer that chemistry occur Cross-linking reaction forms moisture expantion fibrous layer, so as to obtain the fiber base waterproof humidity-permeant film with intelligent unidirectional moisture conducting function；According to It is 128Pa to test the film water pressure resistance according to national standard GB/T4744-1997, and moisture-inhibiting survey is carried out to tunica fibrosa according to ASTM E96BW standards Try, the moisture-inhibiting of composite cellulosic membrane is 17100g/m in the low moisture environments that relative humidity is 50%2/ d, according to GB/T12704 standards Test compound tunica fibrosa is 31700g/m in the high humidity environment vapor transfer rate that relative humidity is 90%2/d。
Embodiment 24
As shown in figure 1, a kind of fiber base waterproof humidity-permeant film of intelligent unidirectional moisture conducting function is by moisture expantion fibrous layer 1, glue Glutinous agent 2 and hydrophobic type fibrous layer 3 form, and its preparation method is：
The first step：By Sodium Polyacrylate (relative molecular mass 4000) it is soluble in water prepare mass fraction be 10% it is poly- Sodium acrylate solution, and N is added, N- bismethacrylamides account for poly- third as crosslinking agent, N, N- bismethacrylamides The mass fraction of olefin(e) acid sodium is 2%, is uniformly mixing to obtain spinning solution；Parent is prepared by electrospinning process on the nonwoven fabric Water type fibrous layer, spinning voltage 30kV, it is 30cm to receive distance, and the liquid supply speed of spinning solution is 2mL/h, gained hydrophilic The thickness of fibrous layer is 20 μm；
Second step：By electrostatic spraying method by polyvinyl butyral resin gluing agent emulsion (viscosity 15000cps) It is sprayed on hydrophilic fiber layer, forms adhesive layer, spray voltage 30kV, liquid supply speed 3mL/h, spray time is 2 points Clock；
3rd step, Kynoar-CTFE (relative molecular mass 23000) is dissolved in N, N- dimethylacetamides Kynoar-CTFE spinning solution that mass fraction is 10% is prepared in amine, by electrospinning process above-mentioned Hydrophobic type fibrous layer is formed on adhesive layer, obtains tunica fibrosa, spinning voltage 20kV, it is 30cm to receive distance, spinning solution Liquid supply speed be 2mL/h, the thickness of gained hydrophobic type fibrous layer is 15 μm；
4th step, above-mentioned tunica fibrosa is heat-treated 10 minutes in 100 DEG C of environment, makes hydrophilic fiber layer that chemistry occur Cross-linking reaction forms moisture expantion fibrous layer, so as to obtain the fiber base waterproof humidity-permeant film with intelligent unidirectional moisture conducting function；According to It is 118Pa to test the film water pressure resistance according to national standard GB/T4744-1997, and moisture-inhibiting survey is carried out to tunica fibrosa according to ASTM E96BW standards Try, the moisture-inhibiting of composite cellulosic membrane is 19300g/m in the low moisture environments that relative humidity is 50%2/ d, according to GB/T12704 standards Test compound tunica fibrosa is 31100g/m in the high humidity environment vapor transfer rate that relative humidity is 90%2/d。
Embodiment 25
As shown in figure 1, a kind of fiber base waterproof humidity-permeant film of intelligent unidirectional moisture conducting function is by moisture expantion fibrous layer 1, glue Glutinous agent 2 and hydrophobic type fibrous layer 3 form, and its preparation method is：
The first step：It is 20% by polyacrylamide (relative molecular mass 1000000) mass fraction soluble in water of preparing Polyacrylamide solution, and add N, N- bismethacrylamides account for as crosslinking agent, N, N- bismethacrylamides The mass fraction of polyacrylamide is 3%, is uniformly mixing to obtain spinning solution；Made on the nonwoven fabric by electrospinning process Standby hydrophilic fiber layer, spinning voltage 30kV, it is 30cm to receive distance, and the liquid supply speed of spinning solution is 2mL/h, and gained is close The thickness of water type fibrous layer is 30 μm；
Second step：By electrostatic spraying method by polyvinyl butyral resin gluing agent emulsion (viscosity 15000cps) It is sprayed on hydrophilic fiber layer, forms adhesive layer, spray voltage 30kV, liquid supply speed 3mL/h, spray time is 2 points Clock；
3rd step, Kynoar-CTFE (relative molecular mass 23000) is dissolved in N, N- dimethylacetamides Kynoar-CTFE spinning solution that mass fraction is 10% is prepared in amine, by electrospinning process above-mentioned Hydrophobic type fibrous layer is formed on adhesive layer, obtains tunica fibrosa, spinning voltage 50kV, it is 30cm to receive distance, spinning solution Liquid supply speed be 2mL/h, the thickness of gained hydrophobic type fibrous layer is 10 μm；
4th step, above-mentioned tunica fibrosa is heat-treated 10 minutes in 100 DEG C of environment, makes hydrophilic fiber layer that chemistry occur Cross-linking reaction forms moisture expantion fibrous layer, so as to obtain the fiber base waterproof humidity-permeant film with intelligent unidirectional moisture conducting function；According to It is 108Pa to test the film water pressure resistance according to national standard GB/T4744-1997, and moisture-inhibiting survey is carried out to tunica fibrosa according to ASTM E96BW standards Try, the moisture-inhibiting of composite cellulosic membrane is 19200g/m in the low moisture environments that relative humidity is 50%2/ d, according to GB/T12704 standards Test compound tunica fibrosa is 31200g/m in the high humidity environment vapor transfer rate that relative humidity is 90%2/d。
Embodiment 26
As shown in figure 1, a kind of fiber base waterproof humidity-permeant film of intelligent unidirectional moisture conducting function is by moisture expantion fibrous layer 1, glue Glutinous agent 2 and hydrophobic type fibrous layer 3 form, and its preparation method is：
The first step：It is 20% by polyacrylamide (relative molecular mass 1000000) mass fraction soluble in water of preparing Polyacrylamide solution, and add N, N- bismethacrylamides account for as crosslinking agent, N, N- bismethacrylamides The mass fraction of polyacrylamide is 5%, is uniformly mixing to obtain spinning solution；Parent is prepared on steel plate by electrospinning process Water type fibrous layer, spinning voltage 30kV, it is 30cm to receive distance, and the liquid supply speed of spinning solution is 3mL/h, gained hydrophilic The thickness of fibrous layer is 20 μm；
Second step：By electrostatic spraying method by polyvinyl butyral resin gluing agent emulsion (viscosity 15000cps) It is sprayed on hydrophilic fiber layer, forms adhesive layer, spray voltage 30kV, liquid supply speed 3mL/h, spray time is 2 points Clock；
3rd step, Kynoar-CTFE (relative molecular mass 23000) is dissolved in N, N- dimethylacetamides Kynoar-CTFE spinning solution that mass fraction is 10% is prepared in amine, by electrospinning process above-mentioned Hydrophobic type fibrous layer is formed on adhesive layer, obtains tunica fibrosa, spinning voltage 50kV, it is 30cm to receive distance, spinning solution Liquid supply speed be 4mL/h, the thickness of gained hydrophobic type fibrous layer is 30 μm；
4th step, above-mentioned tunica fibrosa is heat-treated 20 minutes in 80 DEG C of environment, makes hydrophilic fiber layer that chemistry occur Cross-linking reaction forms moisture expantion fibrous layer, so as to obtain the fiber base waterproof humidity-permeant film with intelligent unidirectional moisture conducting function；According to It is 102Pa to test the film water pressure resistance according to national standard GB/T4744-1997, and moisture-inhibiting survey is carried out to tunica fibrosa according to ASTM E96BW standards Try, the moisture-inhibiting of composite cellulosic membrane is 18800g/m in the low moisture environments that relative humidity is 50%2/ d, according to GB/T12704 standards Test compound tunica fibrosa is 31600g/m in the high humidity environment vapor transfer rate that relative humidity is 90%2/d。
Embodiment 27
As shown in figure 1, a kind of fiber base waterproof humidity-permeant film of intelligent unidirectional moisture conducting function is by moisture expantion fibrous layer 1, glue Glutinous agent 2 and hydrophobic type fibrous layer 3 form, and its preparation method is：
The first step：By polyvinyl alcohol (relative molecular mass 60000) it is soluble in water prepare mass fraction be 20% it is poly- Glycohol solution, and maleic anhydride is added as crosslinking agent, the mass fraction that maleic anhydride accounts for polyvinyl alcohol is 5%, it is uniformly mixing to obtain spinning solution；Hydrophilic fiber layer is prepared on steel plate by electrospinning process, spinning voltage is 50kV, it is 30cm to receive distance, and the liquid supply speed of spinning solution is 3mL/h, and the thickness of gained hydrophilic fiber layer is 10 μm；
Second step：By electrostatic spraying method by polyvinyl butyral resin gluing agent emulsion (viscosity 15000cps) It is sprayed on hydrophilic fiber layer, forms adhesive layer, spray voltage 30kV, liquid supply speed 3mL/h, spray time is 2 points Clock；
3rd step, Kynoar-CTFE (relative molecular mass 23000) is dissolved in N, N- dimethylacetamides Kynoar-CTFE spinning solution that mass fraction is 10% is prepared in amine, by electrospinning process above-mentioned Hydrophobic type fibrous layer is formed on adhesive layer, obtains tunica fibrosa, spinning voltage 50kV, it is 30cm to receive distance, spinning solution Liquid supply speed be 2mL/h, the thickness of gained hydrophobic type fibrous layer is 30 μm；
4th step, above-mentioned tunica fibrosa is heat-treated 20 minutes in 80 DEG C of environment, makes hydrophilic fiber layer that chemistry occur Cross-linking reaction forms moisture expantion fibrous layer, so as to obtain the fiber base waterproof humidity-permeant film with intelligent unidirectional moisture conducting function；According to It is 106Pa to test the film water pressure resistance according to national standard GB/T4744-1997, and moisture-inhibiting survey is carried out to tunica fibrosa according to ASTM E96BW standards Try, the moisture-inhibiting of composite cellulosic membrane is 18400g/m in the low moisture environments that relative humidity is 50%2/ d, according to GB/T12704 standards Test compound tunica fibrosa is 31800g/m in the high humidity environment vapor transfer rate that relative humidity is 90%2/d。
Embodiment 28
As shown in figure 1, a kind of fiber base waterproof humidity-permeant film of intelligent unidirectional moisture conducting function is by moisture expantion fibrous layer 1, glue Glutinous agent 2 and hydrophobic type fibrous layer 3 form, and its preparation method is：
The first step：Polyvinyl alcohol (relative molecular mass 60000) is dissolved in into preparation mass fraction in carbon tetrachloride is 20% poly-vinyl alcohol solution, and triethylene-glycol is added as crosslinking agent, triethylene-glycol accounts for the quality of polyvinyl alcohol Fraction is 5%, is uniformly mixing to obtain spinning solution；Hydrophilic fiber layer, spinning are prepared on steel plate by electrospinning process Voltage is 50kV, and it is 30cm to receive distance, and the liquid supply speed of spinning solution is 3mL/h, and the thickness of gained hydrophilic fiber layer is 10μm；
Second step：By electrostatic spraying method by polyvinyl butyral resin gluing agent emulsion (viscosity 15000cps) It is sprayed on hydrophilic fiber layer, forms adhesive layer, spray voltage 30kV, liquid supply speed 3mL/h, spray time is 2 points Clock；
3rd step, Kynoar-CTFE (relative molecular mass 23000) is dissolved in N, N- dimethyl formyls Kynoar-CTFE spinning solution that mass fraction is 10% is prepared in amine, by electrospinning process above-mentioned Hydrophobic type fibrous layer is formed on adhesive layer, obtains tunica fibrosa, spinning voltage 50kV, it is 30cm to receive distance, spinning solution Liquid supply speed be 3mL/h, the thickness of gained hydrophobic type fibrous layer is 20 μm；
4th step, above-mentioned tunica fibrosa is heat-treated 20 minutes in 100 DEG C of environment, makes hydrophilic fiber layer that chemistry occur Cross-linking reaction forms moisture expantion fibrous layer, so as to obtain the fiber base waterproof humidity-permeant film with intelligent unidirectional moisture conducting function；According to It is 116Pa to test the film water pressure resistance according to national standard GB/T4744-1997, and moisture-inhibiting survey is carried out to tunica fibrosa according to ASTM E96BW standards Try, the moisture-inhibiting of composite cellulosic membrane is 16400g/m in the low moisture environments that relative humidity is 50%2/ d, according to GB/T12704 standards Test compound tunica fibrosa is 32800g/m in the high humidity environment vapor transfer rate that relative humidity is 90%2/d。
Embodiment 29
As shown in figure 1, a kind of fiber base waterproof humidity-permeant film of intelligent unidirectional moisture conducting function is by moisture expantion fibrous layer 1, glue Glutinous agent 2 and hydrophobic type fibrous layer 3 form, and its preparation method is：
The first step：Sodium Polyacrylate (relative molecular mass 4000) is dissolved in glycerine and prepares mass fraction as 30% Sodium polyacrylate solution, and add N, N- methylene-bisacrylamides account for as crosslinking agent, N, N- methylene-bisacrylamides The mass fraction of Sodium Polyacrylate is 5%, is uniformly mixing to obtain spinning solution；Parent is prepared on copper mesh by electrospinning process Water type fibrous layer, spinning voltage 40kV, it is 20cm to receive distance, and the liquid supply speed of spinning solution is 5mL/h, gained hydrophilic The thickness of fibrous layer is 20 μm；
Second step：By electrostatic spraying method by polyvinyl butyral resin gluing agent emulsion (viscosity 15000cps) It is sprayed on hydrophilic fiber layer, forms adhesive layer, spray voltage 20kV, liquid supply speed 2mL/h, spray time is 1 point Clock；
3rd step, Kynoar-hexafluoropropene (relative molecular mass 500000) is dissolved in acetone and prepares quality Fraction is 25% Kynoar-hexafluoropropene spinning solution, is formed by electrospinning process on above-mentioned adhesive layer Hydrophobic type fibrous layer, tunica fibrosa is obtained, spinning voltage 40kV, it is 25cm to receive distance, and the liquid supply speed of spinning solution is 3mL/h, the thickness of gained hydrophobic type fibrous layer is 20 μm；
4th step, above-mentioned tunica fibrosa is heat-treated 15 minutes in 100 DEG C of environment, makes hydrophilic fiber layer that chemistry occur Cross-linking reaction forms moisture expantion fibrous layer, so as to obtain the fiber base waterproof humidity-permeant film with intelligent unidirectional moisture conducting function；According to It is 100Pa to test the film water pressure resistance according to national standard GB/T4744-1997, and moisture-inhibiting survey is carried out to tunica fibrosa according to ASTM E96BW standards Try, the moisture-inhibiting of composite cellulosic membrane is 18300g/m in the low moisture environments that relative humidity is 50%2/ d, according to GB/T12704 standards Test compound tunica fibrosa is 31600g/m in the high humidity environment vapor transfer rate that relative humidity is 90%2/d。
Embodiment 30
As shown in figure 1, a kind of fiber base waterproof humidity-permeant film of intelligent unidirectional moisture conducting function is by moisture expantion fibrous layer 1, glue Glutinous agent 2 and hydrophobic type fibrous layer 3 form, and its preparation method is：
The first step：Sodium Polyacrylate (relative molecular mass 4000) is dissolved in glycerine and prepares mass fraction as 30% Sodium polyacrylate solution, and add N, N- methylene-bisacrylamides account for as crosslinking agent, N, N- methylene-bisacrylamides The mass fraction of Sodium Polyacrylate is 5%, is uniformly mixing to obtain spinning solution；Parent is prepared on copper mesh by electrospinning process Water type fibrous layer, spinning voltage 30kV, it is 20cm to receive distance, and the liquid supply speed of spinning solution is 3mL/h, gained hydrophilic The thickness of fibrous layer is 20 μm；
Second step：By electrostatic spraying method by polyvinyl butyral resin gluing agent emulsion (viscosity 15000cps) It is sprayed on hydrophilic fiber layer, forms adhesive layer, spray voltage 20kV, liquid supply speed 2mL/h, spray time is 4 points Clock；
3rd step, Kynoar-hexafluoropropene (relative molecular mass 500000) is dissolved in acetone and prepares quality Fraction is 25% Kynoar-hexafluoropropene spinning solution, is formed by electrospinning process on above-mentioned adhesive layer Hydrophobic type fibrous layer, tunica fibrosa is obtained, spinning voltage 40kV, it is 25cm to receive distance, and the liquid supply speed of spinning solution is 3mL/h, the thickness of gained hydrophobic type fibrous layer is 20 μm；
4th step, above-mentioned tunica fibrosa is heat-treated 30 minutes in 100 DEG C of environment, makes hydrophilic fiber layer that chemistry occur Cross-linking reaction forms moisture expantion fibrous layer, so as to obtain the fiber base waterproof humidity-permeant film with intelligent unidirectional moisture conducting function；According to It is 110Pa to test the film water pressure resistance according to national standard GB/T4744-1997, and moisture-inhibiting survey is carried out to tunica fibrosa according to ASTM E96BW standards Try, the moisture-inhibiting of composite cellulosic membrane is 17300g/m in the low moisture environments that relative humidity is 50%2/ d, according to GB/T12704 standards Test compound tunica fibrosa is 30000g/m in the high humidity environment vapor transfer rate that relative humidity is 90%2/d。
Embodiment 31
As shown in figure 1, a kind of fiber base waterproof humidity-permeant film of intelligent unidirectional moisture conducting function is by moisture expantion fibrous layer 1, glue Glutinous agent 2 and hydrophobic type fibrous layer 3 form, and its preparation method is：
The first step：Polyacrylamide (relative molecular mass 1000000) is dissolved in into preparation mass fraction in ethylene glycol is 30% polyacrylamide solution, and glutaraldehyde is added as crosslinking agent, the mass fraction that glutaraldehyde accounts for polyacrylamide is 5%, it is uniformly mixing to obtain spinning solution；Hydrophilic fiber layer, spinning voltage are prepared on immersion oil paper by electrospinning process For 50kV, it is 30cm to receive distance, and the liquid supply speed of spinning solution is 0.5mL/h, and the thickness of gained hydrophilic fiber layer is 10 μ m；
Second step：By electrostatic spraying method by polyvinyl butyral resin gluing agent emulsion (viscosity 15000cps) It is sprayed on hydrophilic fiber layer, forms adhesive layer, spray voltage 30kV, liquid supply speed 0.5mL/h, spray time 5 Minute；
3rd step, Kynoar-CTFE (relative molecular mass 23000) is dissolved in methyl ethyl ketone and matched somebody with somebody Mass fraction processed is 20% Kynoar-CTFE spinning solution, by electrospinning process in above-mentioned adhesive Hydrophobic type fibrous layer is formed on layer, obtains tunica fibrosa, spinning voltage 30kV, it is 25cm to receive distance, the feed flow of spinning solution Speed is 4mL/h, and the thickness of gained hydrophobic type fibrous layer is 25 μm；
4th step, above-mentioned tunica fibrosa is heat-treated 10 minutes in 100 DEG C of environment, makes hydrophilic fiber layer that chemistry occur Cross-linking reaction forms moisture expantion fibrous layer；It is 118Pa to test the film water pressure resistance according to national standard GB/T4744-1997, foundation ASTM E96BW standards are to tunica fibrosa progress moisture-inhibiting test, the moisture-inhibiting of composite cellulosic membrane in the low moisture environments that relative humidity is 50% For 18800g/m2/ d, according to GB/T12704 standard testings composite cellulosic membrane in the high humidity environment vapor transfer rate that relative humidity is 90% For 33200g/m2/d。
Embodiment 32
As shown in figure 1, a kind of fiber base waterproof humidity-permeant film of intelligent unidirectional moisture conducting function is by moisture expantion fibrous layer 1, glue Glutinous agent 2 and hydrophobic type fibrous layer 3 form, and its preparation method is：
The first step：Polyacrylamide (relative molecular mass 1000000) is dissolved in into preparation mass fraction in ethylene glycol is 30% polyacrylamide solution, and glutaraldehyde is added as crosslinking agent, the mass fraction that glutaraldehyde accounts for polyacrylamide is 5%, it is uniformly mixing to obtain spinning solution；Hydrophilic fiber layer, spinning voltage are prepared on immersion oil paper by electrospinning process For 50kV, it is 30cm to receive distance, and the liquid supply speed of spinning solution is 0.5mL/h, and the thickness of gained hydrophilic fiber layer is 10 μ m；
Second step：By electrostatic spraying method by polyvinyl butyral resin gluing agent emulsion (viscosity 15000cps) It is sprayed on hydrophilic fiber layer, forms adhesive layer, spray voltage 30kV, liquid supply speed 0.5mL/h, spray time 5 Minute；
3rd step, Kynoar (relative molecular mass 400000) is dissolved in methyl ethyl ketone and prepares mass fraction For 10% Kynoar spinning solution, hydrophobic type fibrous layer is formed on above-mentioned adhesive layer by electrospinning process, Obtain tunica fibrosa, spinning voltage 30kV, it is 25cm to receive distance, and the liquid supply speed of spinning solution is 3mL/h, gained hydrophobic type The thickness of fibrous layer is 25 μm；
4th step, above-mentioned tunica fibrosa is heat-treated 10 minutes in 100 DEG C of environment, makes hydrophilic fiber layer that chemistry occur Cross-linking reaction forms moisture expantion fibrous layer, so as to obtain the fiber base waterproof humidity-permeant film with intelligent unidirectional moisture conducting function；According to It is 117Pa to test the film water pressure resistance according to national standard GB/T4744-1997, and moisture-inhibiting survey is carried out to tunica fibrosa according to ASTM E96BW standards Try, the moisture-inhibiting of composite cellulosic membrane is 17800g/m in the low moisture environments that relative humidity is 50%2/ d, according to GB/T12704 standards Test compound tunica fibrosa is 30200g/m in the high humidity environment vapor transfer rate that relative humidity is 90%2/d。

Claims (7)

  1. A kind of 1. preparation method of the fiber base waterproof humidity-permeant film with intelligent unidirectional moisture conducting function, it is characterised in that including：
    The first step：Hydrophilic polymers are dissolved in solvent orange 2 A, addition crosslinking agent, the crosslinking agent in the described first step accounts for hydrophilic The mass fraction of type polymer is 1~5%, prepares spinning solution, and hydrophilic is prepared on base material is received by electrospinning process Fibrous layer；
    Second step：By electrostatic spraying method by adhesive spraying on hydrophilic fiber layer, adhesive passes through electrostatic spray side When method is sprayed on hydrophilic fiber layer, the voltage that is applied is 10~30kV, and liquid supply speed is 0.5~3mL/h, spray time For 1~5 minute, adhesive layer is formed；
    3rd step：Hydrophobic type polymer is dissolved in solvent B, obtains spinning solution, and by electrospinning process in above-mentioned glue Hydrophobic type fibrous layer is formed on adhensive layer, obtains tunica fibrosa；
    4th step：Described tunica fibrosa is heat-treated, heat treatment time is 10~120 minutes, and treatment temperature is 80~150 ℃；Make polymer in hydrophilic fiber layer that chemical crosslink reaction formation moisture expantion fibrous layer occur, there is intelligence so as to obtain The fiber base waterproof humidity-permeant film of unidirectional moisture conducting function；The expansion transformation humidity of described moisture expantion fibrous layer is 60~95%；When Ambient humidity less than the expansion transformation humidity when fiber do not expand, tunica fibrosa keep perforate and make sweat in vapour form to Spread in external environment；When ambient humidity is higher than expansion transformation humidity, inflatable 1~10 times of fibre diameter, make between fiber Pore closure and prevent that the moisture in external environment from entering inner, while can be acted on by material hydrophilic make liquid sweat by In outwards transmit, so as to realize the intelligent unidirectional moisture conducting function of " low humidity perforate row steam, high humidity closed pore lead sweat ".
  2. 2. the preparation method of the fiber base waterproof humidity-permeant film with intelligent unidirectional moisture conducting function as claimed in claim 1, it is special Sign is that described hydrophilic polymers are combinations one or more of in Sodium Polyacrylate, polyacrylamide and polyvinyl alcohol.
  3. 3. the preparation method of the fiber base waterproof humidity-permeant film with intelligent unidirectional moisture conducting function as claimed in claim 1, it is special Sign is that the mass fraction of hydrophilic polymers is 5~30% in the spinning solution in the first step.
  4. 4. the preparation method of the fiber base waterproof humidity-permeant film with intelligent unidirectional moisture conducting function as claimed in claim 1, it is special Sign is that the voltage of the electrostatic spinning in the first step is 5~50kV, and it is 10~30cm to receive distance, the confession of spinning solution Liquid speed degree is 0.5~10mL/h, and the thickness of gained hydrophilic fiber layer is 2~30 μm.
  5. 5. the preparation method of the fiber base waterproof humidity-permeant film with intelligent unidirectional moisture conducting function as claimed in claim 1, it is special Sign is that the adhesive in the second step is polyvinyl butyral resin, organosilicon or phenolic resin.
  6. 6. the preparation method of the fiber base waterproof humidity-permeant film with intelligent unidirectional moisture conducting function as claimed in claim 1, it is special Sign is that the hydrophobic polymer in the 3rd step is polyvinyl acetate, Kynoar, Kynoar-hexafluoro third One or more in alkene, Kynoar-tetrafluoroethylene-perfluoro methyl vinyl ether and Kynoar-CTFE Combination.
  7. 7. the preparation method of the fiber base waterproof humidity-permeant film with intelligent unidirectional moisture conducting function as claimed in claim 1, it is special Sign is that the electrostatic spinning voltage in the 3rd step is 5~50kV, and it is 10~30cm to receive distance, the feed flow of spinning solution Speed is 0.5~10mL/h, and the thickness of gained hydrophobic type fibrous layer is 2~30 μm.
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