CN105966006A - Preparation method of fiber-based waterproof moisture-permeable film with intelligent unidirectional moisture conductivity - Google Patents

Preparation method of fiber-based waterproof moisture-permeable film with intelligent unidirectional moisture conductivity Download PDF

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Publication number
CN105966006A
CN105966006A CN201610296967.8A CN201610296967A CN105966006A CN 105966006 A CN105966006 A CN 105966006A CN 201610296967 A CN201610296967 A CN 201610296967A CN 105966006 A CN105966006 A CN 105966006A
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moisture
layer
preparation
spinning solution
fibrous
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CN105966006B (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
National Dong Hwa 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 preparation method of a fiber-based waterproof moisture-permeable film with intelligent unidirectional moisture conductivity. The preparation method comprises dissolving a hydrophilic polymer in a solvent A, adding a cross-linking agent into the solution to obtain a spinning solution, preparing a hydrophilic fibrous layer on a reception base through an electrostatic spinning method, spraying glue to the hydrophilic fibrous layer through an electrostatic spraying method to obtain a glue layer, dissolving a hydrophobic polymer in a solvent B to obtain a spinning solution, forming a hydrophobic fibrous layer on the glue layer through the electrostatic spinning method to obtain a fiber film, and carrying out heat treatment on the fiber film so that the polymer in the hydrophilic fibrous layer undergoes a chemical crosslinking reaction to produce a moisture absorption expansion fibrous layer and thus the fiber-based waterproof moisture-permeable film with intelligent unidirectional moisture conductivity is obtained. The fiber-based waterproof moisture-permeable film has intelligent unidirectional moisture conductivity of low moisture opening steam discharge and high moisture closed sweat guide and guarantees human body dryness and comfort in various environments.

Description

There is the preparation method of the fiber base waterproof humidity-permeant film of intelligent unidirectional moisture conducting function
Technical field
The invention belongs to electrostatic spinning technical field of function materials, relate to a kind of there is intelligent unidirectional moisture conducting function The preparation method of fiber base waterproof humidity-permeant film, a kind of based on the hydrophilic fiber with moisture expantion characteristic Layer low humidity perforate row's steam, high humidity closed pore lead the process technology of the intelligent one-way wet-guide waterproof humidity-permeant film of perspiration.
Background technology
Waterproof Breathable membrane material is the core material of Waterproof Breathable function clothes, and this material should have good waterproof Property, the extraneous aqueous water infiltration to clothing of opposing, there is the water vapour permeability of excellence again, thus keep micro-to human body The balance regulation of environment；Require that material has less aperture (less than water droplet size, more than hydrone size) Higher porosity (to ensure higher moisture-inhibiting).Electrostatic spinning technique is that one prepares small-bore, Gao Kong The effective ways of gap rate structural fibers film, have huge application at high performance water proof moisture-inhibiting microporous membrane manufacture field Potentiality.Electrospinning process includes in the patented technology of water proof and moisture permeable material manufacture field at present: a kind of the most anti- Water moisture-permeable shell fabric and preparation method thereof (CN102632648A), the fiber base Waterproof Breathable of a kind of high moisture-inhibiting flux The electrospinning process of film and device (CN104452109A), a kind of Waterproof Breathable composite membrane and preparation side thereof Method (CN103963393A), the preparation method of a kind of permeable watertight polyurethane nanofiber film (CN102517794A) etc., its main purpose is to improve water proofing property and the poisture-penetrability of waterproof humidity-permeant film, made Standby membrane material does not possess one-way wet-guide characteristic, and under high humidity environment, dampness easily enters inner, and human body is discharged Perspiration be difficult to evaporation and make people feel the viscous discomfort such as wet, sultry.
Summary of the invention
It is an object of the invention to obtain the fiber base waterproof humidity-permeant film of a kind of intelligence unidirectional moisture conducting function, with warrantor Body in a variety of contexts dry and comfortable comfortable.
In order to achieve the above object, the invention provides a kind of fiber base with intelligent unidirectional moisture conducting function waterproof The preparation method of moisture permeable membrane, it is characterised in that including:
The first step: be dissolved in solvent orange 2 A by hydrophilic polymers, adds cross-linking agent, prepares spinning solution, logical Cross electrospinning process and prepare hydrophilic fiber layer on reception base material；
Second step: by electrostatic spraying method by adhesive spraying on hydrophilic fiber layer, formed adhesive layer；
3rd step: be dissolved in solvent B by hydrophobic type polymer, obtains spinning solution, and passes through electrostatic spinning Method forms hydrophobic type fibrous layer on above-mentioned adhesive layer, obtains fibrous membrane；
4th step: described fibrous membrane is carried out heat treatment, makes polymer in hydrophilic fiber layer occur chemistry to hand over Connection reaction forms moisture expantion fibrous layer, thus obtains the fiber base Waterproof Breathable with intelligent unidirectional moisture conducting function Film.
Preferably, described hydrophilic polymers is a kind of in sodium polyacrylate, polyacrylamide and polyvinyl alcohol Or several combinations.
Preferably, in the spinning solution in the described first step, the mass fraction of hydrophilic polymers is 5～30%.
Preferably, the hydrophilic polymers in the described first step is sodium polyacrylate, and solvent orange 2 A is water, glycerol With at least one in glycerol；Hydrophilic polymers in the described first step is polyacrylamide, solvent orange 2 A For at least one in water, acrylic acid, ethylene glycol, monoxone and glycerol；Hydrophilic in the described first step Polymer is polyvinyl alcohol, and solvent orange 2 A is at least one in water, formic acid, carbon tetrachloride and dimethyl sulfoxide.
Preferably, it is 1～5% that the described cross-linking agent in the first step accounts for the mass fraction of hydrophilic polymers.
Preferably, the hydrophilic polymers in the described first step is sodium polyacrylate, and cross-linking agent is methacrylic acid Hydroxyl ethyl ester, N,N methylene bis acrylamide or polyethyleneglycol diacrylate；Hydrophilic in the described first step Polymer is polyacrylamide, and cross-linking agent is glutaraldehyde, N,N methylene bis acrylamide, N, and N-dimethyl is double Acrylamide or PVOH diacrylate；Or, the hydrophilic polymers in the described first step is polyvinyl alcohol, Cross-linking agent is maleic anhydride, glutaraldehyde or triethylene-glycol.
Preferably, the voltage of the electrostatic spinning in the described first step is 5～50kV, receiving range be 10～ 30cm, the liquid supply speed of spinning solution is 0.5～10mL/h, the thickness of gained hydrophilic fiber layer be 2～ 30μm。
Preferably, the reception base material of the electrostatic spinning in the described first step is textile, copper mesh, immersion oil paper, aluminum Paper tinsel, steel plate or non-weaving cloth.
Preferably, the adhesive in described second step is polyvinyl butyral resin, organosilicon or phenolic resin.
Preferably, when in described second step, adhesive is sprayed on hydrophilic fiber layer by electrostatic spraying method, The voltage applied is 10～30kV, and liquid supply speed is 0.5～3mL/h, and spray time is 1～5 minute.
Preferably, the hydrophobic polymer in described 3rd step is polyvinyl acetate, Kynoar, gathers partially Fluorothene-hexafluoropropene, Kynoar-tetrafluoroethylene-perfluoro methyl vinyl ether and Kynoar-trifluoro The combination of one or more in vinyl chloride.
Preferably, in the spinning solution in described 3rd step, the mass fraction of hydrophobic type polymer is 5～30%.
Preferably, the hydrophobic type polymer in described 3rd step is polyvinyl acetate, solvent B be ethanol, At least one in acetic acid, acetone, ethyl acetate, benzene and chloroform；Hydrophobic type in described 3rd step gathers Compound is Kynoar, solvent B be DMF, N,N-dimethylacetamide, acetone, At least one in methyl ethyl ketone, oxolane and dimethyl sulfoxide；Hydrophobic type polymerization in described 3rd step Thing is Kynoar-hexafluoropropene, solvent B be DMF, N,N-dimethylacetamide, At least one in acetone, methyl ethyl ketone, oxolane and dimethyl sulfoxide；Hydrophobic in described 3rd step Type polymer is Kynoar-tetrafluoroethylene-perfluoro methyl vinyl ether, and solvent B is N, N-dimethyl formyl In amine, N,N-dimethylacetamide, acetone, methyl ethyl ketone, oxolane and dimethyl sulfoxide at least one Kind；Hydrophobic type polymer in described 3rd step is Kynoar-CTFE, and solvent B is N, N-bis- In methylformamide, N,N-dimethylacetamide, acetone, methyl ethyl ketone, oxolane and dimethyl sulfoxide At least one；
Preferably, the electrostatic spinning voltage in described 3rd step is 5～50kV, and receiving range is 10～30cm, The liquid supply speed of spinning solution is 0.5～10mL/h, and the fibrolaminar thickness of gained hydrophobic type is 2～30 μm.
Preferably, described 4th step heat treatment time is 10～120 minutes, and treatment temperature is 80～150 DEG C.
Preferably, the fibrolaminar transformation humidity that expands of described moisture expantion is 60～95%；When ambient humidity is low When this expansion changes humidity, fiber does not expands, and fibrous membrane keeps perforate to make perspiration the most outside Boundary's environment spreads；When ambient humidity changes humidity higher than this expansion, inflatable 1～10 times of fibre diameter, Make interfiber pore close and prevent the dampness in external environment from entering inner, material hydrophilic can be passed through simultaneously Effect makes liquid sweat transmit from inside to outside, thus realizes " low humidity perforate row's steam, high humidity closed pore lead perspiration " Intelligent unidirectional moisture conducting function.
Preferably, the water pressure resistance of the described fiber base waterproof humidity-permeant film with intelligent unidirectional moisture conducting function >= 100kPa, low moisture environments vapor transfer rate >=15000g/m2/ d, high humidity environment leads 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 Adhesive is combined, then makes hydrophilic fiber layer possess moisture expantion characteristic by heat treatment, it is thus achieved that have unidirectional wet The waterproof moisture permeable fibre film of transmission function.The water proofing property that wherein hydrophobic type fibrous layer is excellent makes composite membrane possess well Anti-penetration by liquid water ability；Based on the fibre diameter under different humidity environment of the hydrophilic fiber layer after crosslinking Change regulates and controls the unlimited/closure state in duct in fibrous layer, makes composite membrane possess " low humidity perforate row steam, height Wet closed pore leads perspiration " intelligent unidirectional moisture conducting function.
Compared with prior art, the invention has the beneficial effects as follows:
(1) the fiber base waterproof humidity-permeant film in the present invention has higher porosity, wherein has moisture expantion The hydrophilic fiber layer of characteristic under low moisture environments, keep hole opening-wide state, beneficially water vapor diffusion thus tool There is higher vapor transfer rate；And under high humidity environment, after fiber moisture expantion, make this layer of pore closure, extraneous dampness People's inner cannot be entered by hole, and perspiration can be passed to the most rapidly external, thus have The intelligence having " low humidity perforate row's steam, high humidity closed pore lead perspiration " is unidirectional moist, it is ensured that human body is at multiple ring Dry and comfortable comfortable under border.
(2) the hydrophobic type fibrous layer of the fiber base waterproof humidity-permeant film in the present invention, this layer of fiber has super-hydrophobic Between characteristic, and fiber, aperture is minimum, therefore can effectively stop extraneous aqueous water to permeate to inner, thus Realize the water resistance that composite cellulosic membrane is excellent.
(3) the hydrophobic type fibrous layer of the fiber base waterproof humidity-permeant film in the present invention passes through with hydrophilic fiber interlayer Adhesive is combined, and composite cellulosic membrane can be made to keep knot in the cyclic process of long-term " moisture expantion-moisture releasing is shunk " Structure is stable, indeformable, thus stability and the durability of its in protective clothes apply function are effectively ensured.
(4) fiber base waterproof humidity-permeant film of the present invention is combined with hydrophobic type fibrous layer by hydrophilic fiber layer, Production technology is simple, with low cost, has huge application prospect in functional protective clothes field.
Accompanying drawing explanation
Fig. 1 is the fiber base waterproof humidity-permeant film structural representation with intelligent unidirectional moisture conducting function.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is expanded on further.Should be understood that these embodiments are merely to illustrate The present invention rather than restriction the scope of the present invention.In addition, it is to be understood that read the present invention lecture content it After, the present invention can be made various changes or modifications by those skilled in the art, and these equivalent form of values fall within this equally Application appended claims limited range.
Embodiment 1
As it is shown in figure 1, the fiber base waterproof humidity-permeant film of a kind of intelligence unidirectional moisture conducting function is by moisture expantion fibrous layer 1, adhesive 2 and hydrophobic type fibrous layer 3 form, and its preparation method is:
The first step: be by sodium polyacrylate (relative molecular mass is 4000) preparation mass fraction soluble in water The sodium polyacrylate solution of 20%, and add N,N methylene bis acrylamide as cross-linking agent, N, N-methylene It is 3% that base bisacrylamide accounts for the mass fraction of sodium polyacrylate, is uniformly mixing to obtain spinning solution；By quiet Electrical spinning method prepares hydrophilic fiber layer on copper mesh, and spinning voltage is 30kV, and receiving range is 20cm, The liquid supply speed of spinning solution is 5mL/h, and the thickness of gained hydrophilic fiber layer is 15 μm；
Second step: phenolic resin adhesive emulsion (viscosity is 10000cps) is sprayed by electrostatic spraying method Being coated on hydrophilic fiber layer, form adhesive layer, spray voltage 20kV, liquid supply speed is 2mL/h, spray The painting time is 1 minute；
3rd step, is dissolved in polyvinyl acetate (relative molecular mass is 50000) in ethanol preparation quality and divides Number is the polyvinyl acetate spinning solution of 15%, is formed by electrospinning process and dredge on above-mentioned adhesive layer Water type fibrous layer, obtains fibrous membrane, and spinning voltage is 40kV, and receiving range is 25cm, the confession of spinning solution Liquid speed is 3mL/h, and the fibrolaminar thickness of gained hydrophobic type is 15 μm；
4th step, by above-mentioned fibrous membrane heat treatment 15 minutes in the environment of 100 DEG C, makes hydrophilic fiber layer Occur chemical crosslink reaction to form moisture expantion fibrous layer, thus obtain the fiber with intelligent unidirectional moisture conducting function Base waterproof humidity-permeant film；Testing this film water pressure resistance according to GB GB/T4744-1997 is 125kPa, according to ASTM E96BW standard carries out moisture-inhibiting test to fibrous membrane, relative humidity be 50% low moisture environments in composite cellulosic membrane Moisture-inhibiting be 19800g/m2/ d, is 90% according to GB/T12704 standard testing composite cellulosic membrane at relative humidity High humidity environment vapor transfer rate be 32000g/m2/d。
Embodiment 2
As it is shown in figure 1, the fiber base waterproof humidity-permeant film of a kind of intelligence unidirectional moisture conducting function is by moisture expantion fibrous layer 1, adhesive 2 and hydrophobic type fibrous layer 3 form, and its preparation method is:
The first step: be by sodium polyacrylate (relative molecular mass is 4000) preparation mass fraction soluble in water The sodium polyacrylate solution of 5%, and add N,N methylene bis acrylamide as cross-linking agent, N, N-methylene It is 1% that bisacrylamide accounts for the mass fraction of sodium polyacrylate, is uniformly mixing to obtain spinning solution；Pass through electrostatic Spinning process prepares hydrophilic fiber layer on copper mesh, and spinning voltage is 30kV, and receiving range is 20cm, spins The liquid supply speed of silk solution is 5mL/h, and the thickness of gained hydrophilic fiber layer is 15 μm；
Second step: phenolic resin adhesive emulsion (viscosity is 10000cps) is sprayed by electrostatic spraying method Being coated on hydrophilic fiber layer, form adhesive layer, spray voltage 20kV, liquid supply speed is 2mL/h, spray The painting time is 1 minute；
3rd step, is dissolved in polyvinyl acetate (relative molecular mass is 50000) in ethanol preparation quality and divides Number is the polyvinyl acetate spinning solution of 15%, is formed by electrospinning process and dredge on above-mentioned adhesive layer Water type fibrous layer, obtains fibrous membrane, and spinning voltage is 40kV, and receiving range is 25cm, the confession of spinning solution Liquid speed is 3mL/h, and the fibrolaminar thickness of gained hydrophobic type is 15 μm；
4th step, by above-mentioned fibrous membrane heat treatment 15 minutes in the environment of 100 DEG C, makes hydrophilic fiber layer Occur chemical crosslink reaction to form moisture expantion fibrous layer, thus obtain the fiber with intelligent unidirectional moisture conducting function Base waterproof humidity-permeant film；Testing this film water pressure resistance according to GB GB/T4744-1997 is 118kPa, according to ASTM E96BW standard carries out moisture-inhibiting test to fibrous membrane, relative humidity be 50% low moisture environments in composite cellulosic membrane Moisture-inhibiting be 17600g/m2/ d, is 90% according to GB/T12704 standard testing composite cellulosic membrane at relative humidity High humidity environment vapor transfer rate be 31200g/m2/d。
Embodiment 3
As it is shown in figure 1, the fiber base waterproof humidity-permeant film of a kind of intelligence unidirectional moisture conducting function is by moisture expantion fibrous layer 1, adhesive 2 and hydrophobic type fibrous layer 3 form, and its preparation method is:
The first step: be 4000 by sodium polyacrylate relative molecular mass) preparation mass fraction soluble in water is 30% Sodium polyacrylate solution, and add N,N methylene bis acrylamide as cross-linking agent, N, N-di-2-ethylhexylphosphine oxide It is 5% that acrylamide accounts for the mass fraction of sodium polyacrylate, is uniformly mixing to obtain spinning solution；Pass through Static Spinning Silk method prepares hydrophilic fiber layer on copper mesh, and spinning voltage is 30kV, and receiving range is 20cm, spinning The liquid supply speed of solution is 10mL/h, and the thickness of gained hydrophilic fiber layer is 15 μm；
Second step: phenolic resin adhesive emulsion (viscosity is 10000cps) is sprayed by electrostatic spraying method Being coated on hydrophilic fiber layer, form adhesive layer, spray voltage 20kV, liquid supply speed is 3mL/h, spray The painting time is 1 minute；
3rd step, is dissolved in polyvinyl acetate (relative molecular mass is 50000) in ethanol preparation quality and divides Number is the polyvinyl acetate spinning solution of 15%, is formed by electrospinning process and dredge on above-mentioned adhesive layer Water type fibrous layer, obtains fibrous membrane, and spinning voltage is 40kV, and receiving range is 25cm, the confession of spinning solution Liquid speed is 3mL/h, and the fibrolaminar thickness of gained hydrophobic type is 15 μm；
4th step, by above-mentioned fibrous membrane heat treatment 15 minutes in the environment of 100 DEG C, makes hydrophilic fiber layer Occur chemical crosslink reaction to form moisture expantion fibrous layer, thus obtain the fiber with intelligent unidirectional moisture conducting function Base waterproof humidity-permeant film；Testing this film water pressure resistance according to GB GB/T4744-1997 is 122kPa, according to ASTM E96BW standard carries out moisture-inhibiting test to fibrous membrane, relative humidity be 50% low moisture environments in composite cellulosic membrane Moisture-inhibiting be 17800g/m2/ d, is 90% according to GB/T12704 standard testing composite cellulosic membrane at relative humidity High humidity environment vapor transfer rate be 31500g/m2/d。
Embodiment 4
As it is shown in figure 1, the fiber base waterproof humidity-permeant film of a kind of intelligence unidirectional moisture conducting function is by moisture expantion fibrous layer 1, adhesive 2 and hydrophobic type fibrous layer 3 form, and its preparation method is:
The first step: be by sodium polyacrylate (relative molecular mass is 4000) preparation mass fraction soluble in water The sodium polyacrylate solution of 30%, and add N,N methylene bis acrylamide as cross-linking agent, N, N-methylene It is 5% that base bisacrylamide accounts for the mass fraction of sodium polyacrylate, is uniformly mixing to obtain spinning solution；By quiet Electrical spinning method prepares hydrophilic fiber layer on copper mesh, and spinning voltage is 50kV, and receiving range is 20cm, The liquid supply speed of spinning solution is 5mL/h, and the thickness of gained hydrophilic fiber layer is 30 μm；
Second step: phenolic resin adhesive emulsion (viscosity is 10000cps) is sprayed by electrostatic spraying method Being coated on hydrophilic fiber layer, form adhesive layer, spray voltage 20kV, liquid supply speed is 2mL/h, spray The painting time is 1 minute；
3rd step, is dissolved in polyvinyl acetate (relative molecular mass is 50000) in ethanol preparation quality and divides Number is the polyvinyl acetate spinning solution of 15%, is formed by electrospinning process and dredge on above-mentioned adhesive layer Water type fibrous layer, obtains fibrous membrane, and spinning voltage is 40kV, and receiving range is 25cm, the confession of spinning solution Liquid speed is 3mL/h, and the fibrolaminar thickness of gained hydrophobic type is 10 μm；
4th step, by above-mentioned fibrous membrane heat treatment 15 minutes in the environment of 100 DEG C, makes hydrophilic fiber layer Occur chemical crosslink reaction to form moisture expantion fibrous layer, thus obtain the fiber with intelligent unidirectional moisture conducting function Base waterproof humidity-permeant film；Testing this film water pressure resistance according to GB GB/T4744-1997 is 114kPa, according to ASTM E96BW standard carries out moisture-inhibiting test to fibrous membrane, relative humidity be 50% low moisture environments in composite cellulosic membrane Moisture-inhibiting be 16600g/m2/ d, is 90% according to GB/T12704 standard testing composite cellulosic membrane at relative humidity High humidity environment vapor transfer rate be 30000g/m2/d。
Embodiment 5
As it is shown in figure 1, the fiber base waterproof humidity-permeant film of a kind of intelligence unidirectional moisture conducting function is by moisture expantion fibrous layer 1, adhesive 2 and hydrophobic type fibrous layer 3 form, and its preparation method is:
The first step: by polyacrylamide (relative molecular mass is 1000000) preparation mass fraction soluble in water It is the polyacrylamide solution of 30%, and adds N,N methylene bis acrylamide as cross-linking agent, N, N-Asia It is 5% that bisacrylamide accounts for the mass fraction of polyacrylamide, is uniformly mixing to obtain spinning solution；Pass through Electrospinning process prepares hydrophilic fiber layer on immersion oil paper, and spinning voltage is 5kV, and receiving range is 30cm, the liquid supply speed of spinning solution is 0.5mL/h, and the thickness of gained hydrophilic fiber layer is 15 μm；
Second step: phenolic resin adhesive emulsion (viscosity is 10000cps) is sprayed by electrostatic spraying method Being coated on hydrophilic fiber layer, form adhesive layer, spray voltage 20kV, liquid supply speed is 2mL/h, spray The painting time is 1 minute；
3rd step, is dissolved in polyvinyl acetate (relative molecular mass is 50000) in ethanol preparation quality and divides Number is the polyvinyl acetate spinning solution of 15%, is formed by electrospinning process and dredge on above-mentioned adhesive layer Water type fibrous layer, obtains fibrous membrane, and spinning voltage is 50kV, and receiving range is 25cm, the confession of spinning solution Liquid speed is 3mL/h, and the fibrolaminar thickness of gained hydrophobic type is 15 μm；
4th step, by above-mentioned fibrous membrane heat treatment 15 minutes in the environment of 100 DEG C, makes hydrophilic fiber layer Occur chemical crosslink reaction to form moisture expantion fibrous layer, thus obtain the fiber with intelligent unidirectional moisture conducting function Base waterproof humidity-permeant film；Testing this film water pressure resistance according to GB GB/T4744-1997 is 132kPa, according to ASTM E96BW standard carries out moisture-inhibiting test to fibrous membrane, relative humidity be 50% low moisture environments in composite cellulosic membrane Moisture-inhibiting be 15000g/m2/ d, is 90% according to GB/T12704 standard testing composite cellulosic membrane at relative humidity High humidity environment vapor transfer rate be 31500g/m2/d。
Embodiment 6
As it is shown in figure 1, the fiber base waterproof humidity-permeant film of a kind of intelligence unidirectional moisture conducting function is by moisture expantion fibrous layer 1, adhesive 2 and hydrophobic type fibrous layer 3 form, and its preparation method is:
The first step: by polyacrylamide (relative molecular mass is 1000000) preparation mass fraction soluble in water Being the polyacrylamide solution of 30%, and add glutaraldehyde as cross-linking agent, glutaraldehyde accounts for the matter of polyacrylamide Amount mark is 5%, is uniformly mixing to obtain spinning solution；Prepare hydrophilic on immersion oil paper by electrospinning process Fiber type layer, spinning voltage is 50kV, and receiving range is 10cm, and the liquid supply speed of spinning solution is 0.5mL/h, The thickness of gained hydrophilic fiber layer is 10 μm；
Second step: phenolic resin adhesive emulsion (viscosity is 10000cps) is sprayed by electrostatic spraying method Being coated on hydrophilic fiber layer, form adhesive layer, spray voltage 30kV, liquid supply speed is 2mL/h, spray The painting time is 1 minute；
3rd step, is dissolved in polyvinyl acetate (relative molecular mass is 50000) in ethanol preparation quality and divides Number is the polyvinyl acetate spinning solution of 15%, is formed by electrospinning process and dredge on above-mentioned adhesive layer Water type fibrous layer, obtains fibrous membrane, and spinning voltage is 50kV, and receiving range is 25cm, the confession of spinning solution Liquid speed is 3mL/h, and the fibrolaminar thickness of gained hydrophobic type is 15 μm；
4th step, by above-mentioned fibrous membrane heat treatment 15 minutes in the environment of 100 DEG C, makes hydrophilic fiber layer Occur chemical crosslink reaction to form moisture expantion fibrous layer, thus obtain the fiber with intelligent unidirectional moisture conducting function Base waterproof humidity-permeant film；Testing this film water pressure resistance according to GB GB/T4744-1997 is 100kPa, according to ASTM E96BW standard carries out moisture-inhibiting test to fibrous membrane, relative humidity be 50% low moisture environments in composite cellulosic membrane Moisture-inhibiting be 15400g/m2/ d, is 90% according to GB/T12704 standard testing composite cellulosic membrane at relative humidity High humidity environment vapor transfer rate be 31500g/m2/d。
Embodiment 7
As it is shown in figure 1, the fiber base waterproof humidity-permeant film of a kind of intelligence unidirectional moisture conducting function is by moisture expantion fibrous layer 1, adhesive 2 and hydrophobic type fibrous layer 3 form, and its preparation method is:
The first step: by polyacrylamide (relative molecular mass is 1000000) preparation mass fraction soluble in water Being the polyacrylamide solution of 30%, and add glutaraldehyde as cross-linking agent, glutaraldehyde accounts for the matter of polyacrylamide Amount mark is 5%, is uniformly mixing to obtain spinning solution；Prepare hydrophilic on immersion oil paper by electrospinning process Fiber type layer, spinning voltage is 50kV, and receiving range is 30cm, and the liquid supply speed of spinning solution is 0.5mL/h, The thickness of gained hydrophilic fiber layer is 10 μm；
Second step: phenolic resin adhesive emulsion (viscosity is 10000cps) is sprayed by electrostatic spraying method Being coated on hydrophilic fiber layer, form adhesive layer, spray voltage 30kV, liquid supply speed is 0.5mL/h, Spray time is 5 minutes；
3rd step, is dissolved in polyvinyl acetate (relative molecular mass is 50000) in ethanol preparation quality and divides Number is the polyvinyl acetate spinning solution of 20%, is formed by electrospinning process and dredge on above-mentioned adhesive layer Water type fibrous layer, obtains fibrous membrane, and spinning voltage is 50kV, and receiving range is 25cm, the confession of spinning solution Liquid speed is 3mL/h, and the fibrolaminar thickness of gained hydrophobic type is 15 μm；
4th step, by above-mentioned fibrous membrane heat treatment 15 minutes in the environment of 100 DEG C, makes hydrophilic fiber layer Occur chemical crosslink reaction to form moisture expantion fibrous layer, thus obtain the fiber with intelligent unidirectional moisture conducting function Base waterproof humidity-permeant film；Testing this film water pressure resistance according to GB GB/T4744-1997 is 116kPa, according to ASTM E96BW standard carries out moisture-inhibiting test to fibrous membrane, relative humidity be 50% low moisture environments in composite cellulosic membrane Moisture-inhibiting be 15800g/m2/ d, is 90% according to GB/T12704 standard testing composite cellulosic membrane at relative humidity High humidity environment vapor transfer rate be 31200g/m2/d。
Embodiment 8
As it is shown in figure 1, the fiber base waterproof humidity-permeant film of a kind of intelligence unidirectional moisture conducting function is by moisture expantion fibrous layer 1, adhesive 2 and hydrophobic type fibrous layer 3 form, and its preparation method is:
The first step: by polyacrylamide (relative molecular mass is 1000000) preparation mass fraction soluble in water Being the polyacrylamide solution of 24%, and add glutaraldehyde as cross-linking agent, glutaraldehyde accounts for the matter of polyacrylamide Amount mark is 5%, is uniformly mixing to obtain spinning solution；On aluminium foil, hydrophilic is prepared by electrospinning process Fibrous layer, spinning voltage is 50kV, and receiving range is 30cm, and the liquid supply speed of spinning solution is 10mL/h, The thickness of gained hydrophilic fiber layer is 30 μm；
Second step: phenolic resin adhesive emulsion (viscosity is 10000cps) is sprayed by electrostatic spraying method Being coated on hydrophilic fiber layer, form adhesive layer, spray voltage 30kV, liquid supply speed is 0.5mL/h, Spray time is 5 minutes；
3rd step, is dissolved in polyvinyl acetate (relative molecular mass is 50000) in ethanol preparation quality and divides Number is the polyvinyl acetate spinning solution of 20%, is formed by electrospinning process and dredge on above-mentioned adhesive layer Water type fibrous layer, obtains fibrous membrane, and spinning voltage is 50kV, and receiving range is 25cm, the confession of spinning solution Liquid speed is 3mL/h, and the fibrolaminar thickness of gained hydrophobic type is 10 μm；
4th step, by above-mentioned fibrous membrane heat treatment 15 minutes in the environment of 100 DEG C, makes hydrophilic fiber layer Occur chemical crosslink reaction to form moisture expantion fibrous layer, thus obtain the fiber with intelligent unidirectional moisture conducting function Base waterproof humidity-permeant film；Testing this film water pressure resistance according to GB GB/T4744-1997 is 128kPa, according to ASTM E96BW standard carries out moisture-inhibiting test to fibrous membrane, relative humidity be 50% low moisture environments in composite cellulosic membrane Moisture-inhibiting be 17100g/m2/ d, is 90% according to GB/T12704 standard testing composite cellulosic membrane at relative humidity High humidity environment vapor transfer rate be 30200g/m2/d。
Embodiment 9
As it is shown in figure 1, the fiber base waterproof humidity-permeant film of a kind of intelligence unidirectional moisture conducting function is by moisture expantion fibrous layer 1, adhesive 2 and hydrophobic type fibrous layer 3 form, and its preparation method is:
The first step: be 24% by polyvinyl alcohol (relative molecular mass is 60000) preparation mass fraction soluble in water Poly-vinyl alcohol solution, and add maleic anhydride and account for polyvinyl alcohol as cross-linking agent, maleic anhydride Mass fraction is 5%, is uniformly mixing to obtain spinning solution；Prepare hydrophilic on aluminium foil by electrospinning process Fiber type layer, spinning voltage is 50kV, and receiving range is 30cm, and the liquid supply speed of spinning solution is 3mL/h, The thickness of gained hydrophilic fiber layer is 30 μm；
Second step: phenolic resin adhesive emulsion (viscosity is 10000cps) is sprayed by electrostatic spraying method Being coated on hydrophilic fiber layer, form adhesive layer, spray voltage 30kV, liquid supply speed is 0.5mL/h, Spray time is 5 minutes；
3rd step, is dissolved in polyvinyl acetate (relative molecular mass is 50000) in ethanol preparation quality and divides Number is the polyvinyl acetate spinning solution of 20%, is formed by electrospinning process and dredge on above-mentioned adhesive layer Water type fibrous layer, obtains fibrous membrane, and spinning voltage is 50kV, and receiving range is 25cm, the confession of spinning solution Liquid speed is 3mL/h, and the fibrolaminar thickness of gained hydrophobic type is 10 μm；
4th step, by above-mentioned fibrous membrane heat treatment 15 minutes in the environment of 100 DEG C, makes hydrophilic fiber layer Occur chemical crosslink reaction to form moisture expantion fibrous layer, thus obtain the fiber with intelligent unidirectional moisture conducting function Base waterproof humidity-permeant film；Testing this film water pressure resistance according to GB GB/T4744-1997 is 108kPa, according to ASTM E96BW standard carries out moisture-inhibiting test to fibrous membrane, relative humidity be 50% low moisture environments in composite cellulosic membrane Moisture-inhibiting be 17300g/m2/ d, is 90% according to GB/T12704 standard testing composite cellulosic membrane at relative humidity High humidity environment vapor transfer rate be 31200g/m2/d。
Embodiment 10
As it is shown in figure 1, the fiber base waterproof humidity-permeant film of a kind of intelligence unidirectional moisture conducting function is by moisture expantion fibrous layer 1, adhesive 2 and hydrophobic type fibrous layer 3 form, and its preparation method is:
The first step: be 24% by polyvinyl alcohol (relative molecular mass is 60000) preparation mass fraction soluble in water Poly-vinyl alcohol solution, and add maleic anhydride and account for polyvinyl alcohol as cross-linking agent, maleic anhydride Mass fraction is 2%, is uniformly mixing to obtain spinning solution；Prepare hydrophilic on aluminium foil by electrospinning process Fiber type layer, spinning voltage is 50kV, and receiving range is 20cm, and the liquid supply speed of spinning solution is 3mL/h, The thickness of gained hydrophilic fiber layer is 30 μm；
Second step: phenolic resin adhesive emulsion (viscosity is 10000cps) is sprayed by electrostatic spraying method Being coated on hydrophilic fiber layer, form adhesive layer, spray voltage 30kV, liquid supply speed is 5mL/h, spray The painting time is 3 minutes；
3rd step, is dissolved in polyvinyl acetate (relative molecular mass is 50000) in ethanol preparation quality and divides Number is the polyvinyl acetate spinning solution of 20%, is formed by electrospinning process and dredge on above-mentioned adhesive layer Water type fibrous layer, obtains fibrous membrane, and spinning voltage is 50kV, and receiving range is 15cm, the confession of spinning solution Liquid speed is 3mL/h, and the fibrolaminar thickness of gained hydrophobic type is 10 μm；
4th step, by above-mentioned fibrous membrane heat treatment 15 minutes in the environment of 100 DEG C, makes hydrophilic fiber layer Occur chemical crosslink reaction to form moisture expantion fibrous layer, thus obtain the fiber with intelligent unidirectional moisture conducting function Base waterproof humidity-permeant film；Testing this film water pressure resistance according to GB GB/T4744-1997 is 114Pa, according to ASTM E96BW standard carries out moisture-inhibiting test to fibrous membrane, relative humidity be 50% low moisture environments in composite cellulosic membrane Moisture-inhibiting be 16800g/m2/ d, is 90% according to GB/T12704 standard testing composite cellulosic membrane at relative humidity High humidity environment vapor transfer rate be 32200g/m2/d。
Embodiment 11
As it is shown in figure 1, the fiber base waterproof humidity-permeant film of a kind of intelligence unidirectional moisture conducting function is by moisture expantion fibrous layer 1, adhesive 2 and hydrophobic type fibrous layer 3 form, and its preparation method is:
The first step: be 24% by polyvinyl alcohol (relative molecular mass is 60000) preparation mass fraction soluble in water Poly-vinyl alcohol solution, and add maleic anhydride and account for polyvinyl alcohol as cross-linking agent, maleic anhydride Mass fraction is 2%, is uniformly mixing to obtain spinning solution；Prepare hydrophilic on aluminium foil by electrospinning process Fiber type layer, spinning voltage is 50kV, and receiving range is 20cm, and the liquid supply speed of spinning solution is 0.5mL/h, The thickness of gained hydrophilic fiber layer is 30 μm；
Second step: phenolic resin adhesive emulsion (viscosity is 10000cps) is sprayed by electrostatic spraying method Being coated on hydrophilic fiber layer, form adhesive layer, spray voltage 30kV, liquid supply speed is 5mL/h, spray The painting time is 3 minutes；
3rd step, is dissolved in polyvinyl acetate (relative molecular mass is 50000) in ethanol preparation quality and divides Number is the polyvinyl acetate spinning solution of 20%, is formed by electrospinning process and dredge on above-mentioned adhesive layer Water type fibrous layer, obtains fibrous membrane, and spinning voltage is 50kV, and receiving range is 15cm, the confession of spinning solution Liquid speed is 3mL/h, and the fibrolaminar thickness of gained hydrophobic type is 10 μm；
4th step, by above-mentioned fibrous membrane heat treatment 15 minutes in the environment of 100 DEG C, makes hydrophilic fiber layer Occur chemical crosslink reaction to form moisture expantion fibrous layer, thus obtain the fiber with intelligent unidirectional moisture conducting function Base waterproof humidity-permeant film；Testing this film water pressure resistance according to GB GB/T4744-1997 is 124Pa, according to ASTM E96BW standard carries out moisture-inhibiting test to fibrous membrane, relative humidity be 50% low moisture environments in composite cellulosic membrane Moisture-inhibiting be 16200g/m2/ d, is 90% according to GB/T12704 standard testing composite cellulosic membrane at relative humidity High humidity environment vapor transfer rate be 33200g/m2/d。
Embodiment 12
As it is shown in figure 1, the fiber base waterproof humidity-permeant film of a kind of intelligence unidirectional moisture conducting function is by moisture expantion fibrous layer 1, adhesive 2 and hydrophobic type fibrous layer 3 form, and its preparation method is:
The first step: be 20% by polyvinyl alcohol (relative molecular mass is 60000) preparation mass fraction soluble in water Poly-vinyl alcohol solution, and add maleic anhydride and account for polyvinyl alcohol as cross-linking agent, maleic anhydride Mass fraction is 3%, is uniformly mixing to obtain spinning solution；Prepare hydrophilic on aluminium foil by electrospinning process Fiber type layer, spinning voltage is 30kV, and receiving range is 20cm, and the liquid supply speed of spinning solution is 3mL/h, The thickness of gained hydrophilic fiber layer is 30 μm；
Second step: phenolic resin adhesive emulsion (viscosity is 10000cps) is sprayed by electrostatic spraying method Being coated on hydrophilic fiber layer, form adhesive layer, spray voltage 30kV, liquid supply speed is 2mL/h, spray The painting time is 3 minutes；
3rd step, is dissolved in polyvinyl acetate (relative molecular mass is 50000) in ethanol preparation quality and divides Number is the polyvinyl acetate spinning solution of 20%, is formed by electrospinning process and dredge on above-mentioned adhesive layer Water type fibrous layer, obtains fibrous membrane, and spinning voltage is 50kV, and receiving range is 15cm, the confession of spinning solution Liquid speed is 3mL/h, and the fibrolaminar thickness of gained hydrophobic type is 10 μm；
4th step, by above-mentioned fibrous membrane heat treatment 15 minutes in the environment of 100 DEG C, makes hydrophilic fiber layer Occur chemical crosslink reaction to form moisture expantion fibrous layer, thus obtain the fiber with intelligent unidirectional moisture conducting function Base waterproof humidity-permeant film；Testing this film water pressure resistance according to GB GB/T4744-1997 is 114Pa, according to ASTM E96BW standard carries out moisture-inhibiting test to fibrous membrane, relative humidity be 50% low moisture environments in composite cellulosic membrane Moisture-inhibiting be 15200g/m2/ d, is 90% according to GB/T12704 standard testing composite cellulosic membrane at relative humidity High humidity environment vapor transfer rate be 33900g/m2/d。
Embodiment 13
As it is shown in figure 1, the fiber base waterproof humidity-permeant film of a kind of intelligence unidirectional moisture conducting function is by moisture expantion fibrous layer 1, adhesive 2 and hydrophobic type fibrous layer 3 form, and its preparation method is:
The first step: be 20% by polyvinyl alcohol (relative molecular mass is 60000) preparation mass fraction soluble in water Poly-vinyl alcohol solution, and add maleic anhydride and account for polyvinyl alcohol as cross-linking agent, maleic anhydride Mass fraction is 4%, is uniformly mixing to obtain spinning solution；Prepare hydrophilic on aluminium foil by electrospinning process Fiber type layer, spinning voltage is 50kV, and receiving range is 20cm, and the liquid supply speed of spinning solution is 3mL/h, The thickness of gained hydrophilic fiber layer is 25 μm；
Second step: phenolic resin adhesive emulsion (viscosity is 10000cps) is sprayed by electrostatic spraying method Being coated on hydrophilic fiber layer, form adhesive layer, spray voltage 30kV, liquid supply speed is 3mL/h, spray The painting time is 2 minutes；
3rd step, is dissolved in N,N-dimethylacetamide by Kynoar (relative molecular mass is 400000) Middle preparation mass fraction is the Kynoar spinning solution of 20%, by electrospinning process at above-mentioned adhesive Forming hydrophobic type fibrous layer on layer, obtain fibrous membrane, spinning voltage is 30kV, and receiving range is 15cm, spins The liquid supply speed of silk solution is 3mL/h, and the fibrolaminar thickness of gained hydrophobic type is 15 μm；
4th step, by above-mentioned fibrous membrane heat treatment 15 minutes in the environment of 100 DEG C, makes hydrophilic fiber layer Occur chemical crosslink reaction to form moisture expantion fibrous layer, thus obtain the fiber with intelligent unidirectional moisture conducting function Base waterproof humidity-permeant film；Testing this film water pressure resistance according to GB GB/T4744-1997 is 128Pa, according to ASTM E96BW standard carries out moisture-inhibiting test to fibrous membrane, relative humidity be 50% low moisture environments in composite cellulosic membrane Moisture-inhibiting be 17500g/m2/ d, is 90% according to GB/T12704 standard testing composite cellulosic membrane at relative humidity High humidity environment vapor transfer rate be 32100g/m2/d。
Embodiment 14
As it is shown in figure 1, the fiber base waterproof humidity-permeant film of a kind of intelligence unidirectional moisture conducting function is by moisture expantion fibrous layer 1, adhesive 2 and hydrophobic type fibrous layer 3 form, and its preparation method is:
The first step: be by sodium polyacrylate (relative molecular mass is 4000) preparation mass fraction soluble in water The sodium polyacrylate solution of 20%, and add hydroxyethyl methylacrylate as cross-linking agent, hydroxyethyl methacrylate second It is 4% that ester accounts for the mass fraction of sodium polyacrylate, is uniformly mixing to obtain spinning solution；Pass through electrospinning process Preparing hydrophilic fiber layer on aluminium foil, spinning voltage is 50kV, and receiving range is 30cm, spinning solution Liquid supply speed is 2mL/h, and the thickness of gained hydrophilic fiber layer is 15 μm；
Second step: phenolic resin adhesive emulsion (viscosity is 10000cps) is sprayed by electrostatic spraying method Being coated on hydrophilic fiber layer, form adhesive layer, spray voltage 40kV, liquid supply speed is 3mL/h, spray The painting time is 2 minutes；
3rd step, is dissolved in N,N-dimethylacetamide by Kynoar (relative molecular mass is 400000) Middle preparation mass fraction is the Kynoar spinning solution of 30%, by electrospinning process at above-mentioned adhesive Forming hydrophobic type fibrous layer on layer, obtain fibrous membrane, spinning voltage is 30kV, and receiving range is 15cm, spins The liquid supply speed of silk solution is 3mL/h, and the fibrolaminar thickness of gained hydrophobic type is 20 μm；
4th step, by above-mentioned fibrous membrane heat treatment 25 minutes in the environment of 100 DEG C, makes hydrophilic fiber layer Occur chemical crosslink reaction to form moisture expantion fibrous layer, thus obtain the fiber with intelligent unidirectional moisture conducting function Base waterproof humidity-permeant film；Testing this film water pressure resistance according to GB GB/T4744-1997 is 120Pa, according to ASTM E96BW standard carries out moisture-inhibiting test to fibrous membrane, relative humidity be 50% low moisture environments in composite cellulosic membrane Moisture-inhibiting be 17300g/m2/ d, is 90% according to GB/T12704 standard testing composite cellulosic membrane at relative humidity High humidity environment vapor transfer rate be 31200g/m2/d。
Embodiment 15
As it is shown in figure 1, the fiber base waterproof humidity-permeant film of a kind of intelligence unidirectional moisture conducting function is by moisture expantion fibrous layer 1, adhesive 2 and hydrophobic type fibrous layer 3 form, and its preparation method is:
The first step: be by sodium polyacrylate (relative molecular mass is 4000) preparation mass fraction soluble in water The sodium polyacrylate solution of 10%, and add hydroxyethyl methylacrylate as cross-linking agent, hydroxyethyl methacrylate second It is 2% that ester accounts for the mass fraction of sodium polyacrylate, is uniformly mixing to obtain spinning solution；Pass through electrospinning process Preparing hydrophilic fiber layer on aluminium foil, spinning voltage is 30kV, and receiving range is 30cm, spinning solution Liquid supply speed is 2mL/h, and the thickness of gained hydrophilic fiber layer is 2 μm；
Second step: phenolic resin adhesive emulsion (viscosity is 10000cps) is sprayed by electrostatic spraying method Being coated on hydrophilic fiber layer, form adhesive layer, spray voltage 20kV, liquid supply speed is 2mL/h, spray The painting time is 2 minutes；
3rd step, is dissolved in N,N-dimethylacetamide by Kynoar (relative molecular mass is 400000) Middle preparation mass fraction is the Kynoar spinning solution of 30%, by electrospinning process at above-mentioned adhesive Forming hydrophobic type fibrous layer on layer, obtain fibrous membrane, spinning voltage is 30kV, and receiving range is 15cm, spins The liquid supply speed of silk solution is 3mL/h, and the fibrolaminar thickness of gained hydrophobic type is 30 μm；
4th step, by above-mentioned fibrous membrane heat treatment 10 minutes in the environment of 110 DEG C, makes hydrophilic fiber layer Occur chemical crosslink reaction to form moisture expantion fibrous layer, thus obtain the fiber with intelligent unidirectional moisture conducting function Base waterproof humidity-permeant film；Testing this film water pressure resistance according to GB GB/T4744-1997 is 132Pa, according to ASTM E96BW standard carries out moisture-inhibiting test to fibrous membrane, relative humidity be 50% low moisture environments in composite cellulosic membrane Moisture-inhibiting be 19600g/m2/ d, is 90% according to GB/T12704 standard testing composite cellulosic membrane at relative humidity High humidity environment vapor transfer rate be 32200g/m2/d。
Embodiment 16
As it is shown in figure 1, the fiber base waterproof humidity-permeant film of a kind of intelligence unidirectional moisture conducting function is by moisture expantion fibrous layer 1, adhesive 2 and hydrophobic type fibrous layer 3 form, and its preparation method is:
The first step: by polyacrylamide (relative molecular mass is 1000000) preparation mass fraction soluble in water Being the polyacrylamide solution of 15%, and add N, N-bismethacrylamide is as cross-linking agent, N, N-bis- It is 4% that bisacrylamide accounts for the mass fraction of polyacrylamide, is uniformly mixing to obtain spinning solution；Pass through Electrospinning process prepares hydrophilic fiber layer on aluminium foil, and spinning voltage is 30kV, and receiving range is 30cm, The liquid supply speed of spinning solution is 5mL/h, and the thickness of gained hydrophilic fiber layer is 30 μm；
Second step: phenolic resin adhesive emulsion (viscosity is 10000cps) is sprayed by electrostatic spraying method Being coated on hydrophilic fiber layer, form adhesive layer, spray voltage 30kV, liquid supply speed is 2mL/h, spray The painting time is 1 minute；
3rd step, is dissolved in N,N-dimethylacetamide by Kynoar (relative molecular mass is 400000) Middle preparation mass fraction is the Kynoar spinning solution of 30%, by electrospinning process at above-mentioned adhesive Forming hydrophobic type fibrous layer on layer, obtain fibrous membrane, spinning voltage is 20kV, and receiving range is 10cm, spins The liquid supply speed of silk solution is 3mL/h, and the fibrolaminar thickness of gained hydrophobic type is 10 μm；
4th step, by above-mentioned fibrous membrane heat treatment 10 minutes in the environment of 110 DEG C, makes hydrophilic fiber layer Occur chemical crosslink reaction to form moisture expantion fibrous layer, thus obtain the fiber with intelligent unidirectional moisture conducting function Base waterproof humidity-permeant film；Testing this film water pressure resistance according to GB GB/T4744-1997 is 121Pa, according to ASTM E96BW standard carries out moisture-inhibiting test to fibrous membrane, relative humidity be 50% low moisture environments in composite cellulosic membrane Moisture-inhibiting be 16900g/m2/ d, is 90% according to GB/T12704 standard testing composite cellulosic membrane at relative humidity High humidity environment vapor transfer rate be 33800g/m2/d。
Embodiment 17
As it is shown in figure 1, the fiber base waterproof humidity-permeant film of a kind of intelligence unidirectional moisture conducting function is by moisture expantion fibrous layer 1, adhesive 2 and hydrophobic type fibrous layer 3 form, and its preparation method is:
The first step: by polyacrylamide (relative molecular mass is 1000000) preparation mass fraction soluble in water Being the polyacrylamide solution of 15%, and add N, N-bismethacrylamide is as cross-linking agent, N, N-bis- It is 2% that bisacrylamide accounts for the mass fraction of polyacrylamide, is uniformly mixing to obtain spinning solution；Pass through Electrospinning process prepares hydrophilic fiber layer on aluminium foil, and spinning voltage is 30kV, and receiving range is 30cm, The liquid supply speed of spinning solution is 5mL/h, and the thickness of gained hydrophilic fiber layer is 30 μm；
Second step: phenolic resin adhesive emulsion (viscosity is 10000cps) is sprayed by electrostatic spraying method Being coated on hydrophilic fiber layer, form adhesive layer, spray voltage 30kV, liquid supply speed is 2mL/h, spray The painting time is 1 minute；
3rd step, is dissolved in N, N-diformazan by Kynoar-hexafluoropropene (relative molecular mass is 500000) Yl acetamide is prepared Kynoar-hexafluoropropene spinning solution that mass fraction is 30%, passes through Static Spinning Silk method forms hydrophobic type fibrous layer on above-mentioned adhesive layer, obtains fibrous membrane, and spinning voltage is 20kV, Receiving range is 10cm, and the liquid supply speed of spinning solution is 3mL/h, and the fibrolaminar thickness of gained hydrophobic type is 10μm；
4th step, by above-mentioned fibrous membrane heat treatment 10 minutes in the environment of 130 DEG C, makes hydrophilic fiber layer Occur chemical crosslink reaction to form moisture expantion fibrous layer, thus obtain the fiber with intelligent unidirectional moisture conducting function Base waterproof humidity-permeant film；Testing this film water pressure resistance according to GB GB/T4744-1997 is 112Pa, according to ASTM E96BW standard carries out moisture-inhibiting test to fibrous membrane, relative humidity be 50% low moisture environments in composite cellulosic membrane Moisture-inhibiting be 16200g/m2/ d, is 90% according to GB/T12704 standard testing composite cellulosic membrane at relative humidity High humidity environment vapor transfer rate be 31600g/m2/d。
Embodiment 18
As it is shown in figure 1, the fiber base waterproof humidity-permeant film of a kind of intelligence unidirectional moisture conducting function is by moisture expantion fibrous layer 1, adhesive 2 and hydrophobic type fibrous layer 3 form, and its preparation method is:
The first step: be by sodium polyacrylate (relative molecular mass is 4000) preparation mass fraction soluble in water The sodium polyacrylate solution of 15%, and add N, N-bismethacrylamide is as cross-linking agent, N, N-diformazan It is 2% that base bisacrylamide accounts for the mass fraction of sodium polyacrylate, is uniformly mixing to obtain spinning solution；By quiet Electrical spinning method prepares hydrophilic fiber layer on aluminium foil, and spinning voltage is 30kV, and receiving range is 30cm, The liquid supply speed of spinning solution is 5mL/h, and the thickness of gained hydrophilic fiber layer is 20 μm；
Second step: (viscosity is by polyvinyl butyral resin adhesive emulsion by electrostatic spraying method 15000cps) it is sprayed on hydrophilic fiber layer, forms adhesive layer, spray voltage 30kV, liquid supply speed For 2mL/h, spray time is 1 minute；
3rd step, is dissolved in N, N-diformazan by Kynoar-hexafluoropropene (relative molecular mass is 500000) Yl acetamide is prepared Kynoar-hexafluoropropene spinning solution that mass fraction is 30%, passes through Static Spinning Silk method forms hydrophobic type fibrous layer on above-mentioned adhesive layer, obtains fibrous membrane, and spinning voltage is 20kV, Receiving range is 10cm, and the liquid supply speed of spinning solution is 3mL/h, and the fibrolaminar thickness of gained hydrophobic type is 10μm；
4th step, by above-mentioned fibrous membrane heat treatment 10 minutes in the environment of 120 DEG C, makes hydrophilic fiber layer Occur chemical crosslink reaction to form moisture expantion fibrous layer, thus obtain the fiber with intelligent unidirectional moisture conducting function Base Waterproof Breathable；Testing this film water pressure resistance according to GB GB/T4744-1997 is 129Pa, according to ASTM E96 BW standard carries out moisture-inhibiting test to fibrous membrane, relative humidity be 50% low moisture environments in composite cellulosic membrane saturating Wet for 19800g/m2/ d, is the height of 90% according to GB/T12704 standard testing composite cellulosic membrane at relative humidity Wet environment vapor transfer rate is 33500g/m2/d。
Embodiment 19
As it is shown in figure 1, the fiber base waterproof humidity-permeant film of a kind of intelligence unidirectional moisture conducting function is by moisture expantion fibrous layer 1, adhesive 2 and hydrophobic type fibrous layer 3 form, and its preparation method is:
The first step: be 25% by polyvinyl alcohol (relative molecular mass is 60000) preparation mass fraction soluble in water Poly-vinyl alcohol solution, and add triethylene-glycol and account for polyvinyl alcohol as cross-linking agent, triethylene-glycol Mass fraction is 3%, is uniformly mixing to obtain spinning solution；Prepare hydrophilic on aluminium foil by electrospinning process Fiber type layer, spinning voltage is 40kV, and receiving range is 30cm, and the liquid supply speed of spinning solution is 5mL/h, The thickness of gained hydrophilic fiber layer is 20 μm；
Second step: (viscosity is by polyvinyl butyral resin adhesive emulsion by electrostatic spraying method 15000cps) it is sprayed on hydrophilic fiber layer, forms adhesive layer, spray voltage 30kV, liquid supply speed For 2mL/h, spray time is 1 minute；
3rd step, is dissolved in N, N-diformazan by Kynoar-hexafluoropropene (relative molecular mass is 500000) Yl acetamide is prepared Kynoar-hexafluoropropene spinning solution that mass fraction is 30%, passes through Static Spinning Silk method forms hydrophobic type fibrous layer on above-mentioned adhesive layer, obtains fibrous membrane, and spinning voltage is 20kV, Receiving range is 10cm, and the liquid supply speed of spinning solution is 3mL/h, and the fibrolaminar thickness of gained hydrophobic type is 10μm；
4th step, by above-mentioned fibrous membrane heat treatment 20 minutes in the environment of 120 DEG C, makes hydrophilic fiber layer Occur chemical crosslink reaction to form moisture expantion fibrous layer, thus obtain the fiber with intelligent unidirectional moisture conducting function Base waterproof humidity-permeant film；Testing this film water pressure resistance according to GB GB/T4744-1997 is 124Pa, according to ASTM E96BW standard carries out moisture-inhibiting test to fibrous membrane, relative humidity be 50% low moisture environments in composite cellulosic membrane Moisture-inhibiting be 15600g/m2/ d, is 90% according to GB/T12704 standard testing composite cellulosic membrane at relative humidity High humidity environment vapor transfer rate be 33700g/m2/d。
Embodiment 20
As it is shown in figure 1, the fiber base waterproof humidity-permeant film of a kind of intelligence unidirectional moisture conducting function is by moisture expantion fibrous layer 1, adhesive 2 and hydrophobic type fibrous layer 3 form, and its preparation method is:
The first step: be 20% by polyvinyl alcohol (relative molecular mass is 60000) preparation mass fraction soluble in water Poly-vinyl alcohol solution, and add triethylene-glycol and account for polyvinyl alcohol as cross-linking agent, triethylene-glycol Mass fraction is 3%, is uniformly mixing to obtain spinning solution；Prepare hydrophilic on aluminium foil by electrospinning process Fiber type layer, spinning voltage is 50kV, and receiving range is 30cm, and the liquid supply speed of spinning solution is 5mL/h, The thickness of gained hydrophilic fiber layer is 10 μm；
Second step: (viscosity is by polyvinyl butyral resin adhesive emulsion by electrostatic spraying method 15000cps) it is sprayed on hydrophilic fiber layer, forms adhesive layer, spray voltage 30kV, liquid supply speed For 2mL/h, spray time is 1 minute；
3rd step, by Kynoar-tetrafluoroethylene-perfluoro methyl vinyl ether, (relative molecular mass is 420000) Kynoar-tetrafluoroethene that preparation mass fraction is 20% it is dissolved in N,N-dimethylacetamide -perfluoro methyl vinyl ether spinning solution, forms hydrophobic type by electrospinning process on above-mentioned adhesive layer Fibrous layer, obtains fibrous membrane, and spinning voltage is 20kV, and receiving range is 10cm, the feed flow speed of spinning solution Degree is 5mL/h, and the fibrolaminar thickness of gained hydrophobic type is 15 μm；
4th step, by above-mentioned fibrous membrane heat treatment 20 minutes in the environment of 120 DEG C, makes hydrophilic fiber layer Occur chemical crosslink reaction to form moisture expantion fibrous layer, thus obtain the fiber with intelligent unidirectional moisture conducting function Base waterproof humidity-permeant film；Testing this film water pressure resistance according to GB GB/T4744-1997 is 128Pa, according to ASTM E96BW standard carries out moisture-inhibiting test to fibrous membrane, relative humidity be 50% low moisture environments in composite cellulosic membrane Moisture-inhibiting be 15700g/m2/ d, is 90% according to GB/T12704 standard testing composite cellulosic membrane at relative humidity High humidity environment vapor transfer rate be 34300g/m2/d。
Embodiment 21
As it is shown in figure 1, the fiber base waterproof humidity-permeant film of a kind of intelligence unidirectional moisture conducting function is by moisture expantion fibrous layer 1, adhesive 2 and hydrophobic type fibrous layer 3 form, and its preparation method is:
The first step: be by sodium polyacrylate (relative molecular mass is 4000) preparation mass fraction soluble in water The sodium polyacrylate solution of 15%, and add N, N-bismethacrylamide is as cross-linking agent, N, N-diformazan It is 2% that base bisacrylamide accounts for the mass fraction of sodium polyacrylate, is uniformly mixing to obtain spinning solution；By quiet Electrical spinning method prepares hydrophilic fiber layer on aluminium foil, and spinning voltage is 30kV, and receiving range is 30cm, The liquid supply speed of spinning solution is 5mL/h, and the thickness of gained hydrophilic fiber layer is 20 μm；
Second step: (viscosity is by polyvinyl butyral resin adhesive emulsion by electrostatic spraying method 15000cps) it is sprayed on hydrophilic fiber layer, forms adhesive layer, spray voltage 30kV, liquid supply speed For 2mL/h, spray time is 1 minute；
3rd step, by Kynoar-tetrafluoroethylene-perfluoro methyl vinyl ether, (relative molecular mass is 420000) Kynoar-tetrafluoroethene that preparation mass fraction is 30% it is dissolved in N,N-dimethylacetamide -perfluoro methyl vinyl ether spinning solution, forms hydrophobic type by electrospinning process on above-mentioned adhesive layer Fibrous layer, obtains fibrous membrane, prepares hydrophobic type fibrous layer by electrospinning process on hydrophilic fiber layer, Spinning voltage is 20kV, and receiving range is 10cm, and the liquid supply speed of spinning solution is 3mL/h, and gained is hydrophobic The thickness of fiber type layer is 15 μm；
4th step, by above-mentioned fibrous membrane heat treatment 10 minutes in the environment of 120 DEG C, makes hydrophilic fiber layer Occur chemical crosslink reaction to form moisture expantion fibrous layer, thus obtain the fiber with intelligent unidirectional moisture conducting function Base waterproof humidity-permeant film；Testing this film water pressure resistance according to GB GB/T4744-1997 is 118Pa, according to ASTM E96BW standard carries out moisture-inhibiting test to fibrous membrane, relative humidity be 50% low moisture environments in composite cellulosic membrane Moisture-inhibiting be 15800g/m2/ d, is 90% according to GB/T12704 standard testing composite cellulosic membrane at relative humidity High humidity environment vapor transfer rate be 32500g/m2/d。
Embodiment 22
As it is shown in figure 1, the fiber base waterproof humidity-permeant film of a kind of intelligence unidirectional moisture conducting function is by moisture expantion fibrous layer 1, adhesive 2 and hydrophobic type fibrous layer 3 form, and its preparation method is:
The first step: be by sodium polyacrylate (relative molecular mass is 4000) preparation mass fraction soluble in water The sodium polyacrylate solution of 10%, and add N, N-bismethacrylamide is as cross-linking agent, N, N-diformazan It is 2% that base bisacrylamide accounts for the mass fraction of sodium polyacrylate, is uniformly mixing to obtain spinning solution；By quiet Electrical spinning method prepares hydrophilic fiber layer on aluminium foil, and spinning voltage is 40kV, and receiving range is 20cm, The liquid supply speed of spinning solution is 3mL/h, and the thickness of gained hydrophilic fiber layer is 20 μm；
Second step: (viscosity is by polyvinyl butyral resin adhesive emulsion by electrostatic spraying method 15000cps) it is sprayed on hydrophilic fiber layer, forms adhesive layer, spray voltage 30kV, liquid supply speed For 2mL/h, spray time is 2 minutes；
3rd step, by Kynoar-tetrafluoroethylene-perfluoro methyl vinyl ether, (relative molecular mass is 420000) Kynoar-tetrafluoroethene that preparation mass fraction is 20% it is dissolved in N,N-dimethylacetamide -perfluoro methyl vinyl ether spinning solution, forms hydrophobic type by electrospinning process on above-mentioned adhesive layer Fibrous layer, obtains fibrous membrane, and spinning voltage is 20kV, and receiving range is 30cm, the feed flow speed of spinning solution Degree is 3mL/h, and the fibrolaminar thickness of gained hydrophobic type is 10 μm；
4th step, by above-mentioned fibrous membrane heat treatment 10 minutes in the environment of 120 DEG C, makes hydrophilic fiber layer Occur chemical crosslink reaction to form moisture expantion fibrous layer, thus obtain the fiber with intelligent unidirectional moisture conducting function Base waterproof humidity-permeant film；Testing this film water pressure resistance according to GB GB/T4744-1997 is 129Pa, according to ASTM E96BW standard carries out moisture-inhibiting test to fibrous membrane, relative humidity be 50% low moisture environments in composite cellulosic membrane Moisture-inhibiting be 17800g/m2/ d, is 90% according to GB/T12704 standard testing composite cellulosic membrane at relative humidity High humidity environment vapor transfer rate be 31200g/m2/d。
Embodiment 23
As it is shown in figure 1, the fiber base waterproof humidity-permeant film of a kind of intelligence unidirectional moisture conducting function is by moisture expantion fibrous layer 1, adhesive 2 and hydrophobic type fibrous layer 3 form, and its preparation method is:
The first step: be by sodium polyacrylate (relative molecular mass is 4000) preparation mass fraction soluble in water The sodium polyacrylate solution of 10%, and add N, N-bismethacrylamide is as cross-linking agent, N, N-diformazan It is 2% that base bisacrylamide accounts for the mass fraction of sodium polyacrylate, is uniformly mixing to obtain spinning solution；By quiet Electrical spinning method prepares hydrophilic fiber layer on aluminium foil, and spinning voltage is 40kV, and receiving range is 20cm, The liquid supply speed of spinning solution is 2mL/h, and the thickness of gained hydrophilic fiber layer is 20 μm；
Second step: (viscosity is by polyvinyl butyral resin adhesive emulsion by electrostatic spraying method 15000cps) it is sprayed on hydrophilic fiber layer, forms adhesive layer, spray voltage 30kV, liquid supply speed For 3mL/h, spray time is 2 minutes；
3rd step, is dissolved in N, N-bis-by Kynoar-CTFE (relative molecular mass is 23000) Methylacetamide is prepared Kynoar-CTFE spinning solution that mass fraction is 10%, by quiet Electrical spinning method forms hydrophobic type fibrous layer on above-mentioned adhesive layer, obtains fibrous membrane, and spinning voltage is 20kV, receiving range is 30cm, and the liquid supply speed of spinning solution is 5mL/h, and gained hydrophobic type is fibrolaminar Thickness is 20 μm；
4th step, by above-mentioned fibrous membrane heat treatment 10 minutes in the environment of 120 DEG C, makes hydrophilic fiber layer Occur chemical crosslink reaction to form moisture expantion fibrous layer, thus obtain the fiber with intelligent unidirectional moisture conducting function Base waterproof humidity-permeant film；Testing this film water pressure resistance according to GB GB/T4744-1997 is 128Pa, according to ASTM E96BW standard carries out moisture-inhibiting test to fibrous membrane, relative humidity be 50% low moisture environments in composite cellulosic membrane Moisture-inhibiting be 17100g/m2/ d, is 90% according to GB/T12704 standard testing composite cellulosic membrane at relative humidity High humidity environment vapor transfer rate be 31700g/m2/d。
Embodiment 24
As it is shown in figure 1, the fiber base waterproof humidity-permeant film of a kind of intelligence unidirectional moisture conducting function is by moisture expantion fibrous layer 1, adhesive 2 and hydrophobic type fibrous layer 3 form, and its preparation method is:
The first step: be by sodium polyacrylate (relative molecular mass is 4000) preparation mass fraction soluble in water The sodium polyacrylate solution of 10%, and add N, N-bismethacrylamide is as cross-linking agent, N, N-diformazan It is 2% that base bisacrylamide accounts for the mass fraction of sodium polyacrylate, is uniformly mixing to obtain spinning solution；By quiet Electrical spinning method prepares hydrophilic fiber layer on the nonwoven fabric, and spinning voltage is 30kV, and receiving range is 30cm, the liquid supply speed of spinning solution is 2mL/h, and the thickness of gained hydrophilic fiber layer is 20 μm；
Second step: (viscosity is by polyvinyl butyral resin adhesive emulsion by electrostatic spraying method 15000cps) it is sprayed on hydrophilic fiber layer, forms adhesive layer, spray voltage 30kV, liquid supply speed For 3mL/h, spray time is 2 minutes；
3rd step, is dissolved in N, N-bis-by Kynoar-CTFE (relative molecular mass is 23000) Methylacetamide is prepared Kynoar-CTFE spinning solution that mass fraction is 10%, by quiet Electrical spinning method forms hydrophobic type fibrous layer on above-mentioned adhesive layer, obtains fibrous membrane, and spinning voltage is 20kV, receiving range is 30cm, and the liquid supply speed of spinning solution is 2mL/h, and gained hydrophobic type is fibrolaminar Thickness is 15 μm；
4th step, by above-mentioned fibrous membrane heat treatment 10 minutes in the environment of 100 DEG C, makes hydrophilic fiber layer Occur chemical crosslink reaction to form moisture expantion fibrous layer, thus obtain the fiber with intelligent unidirectional moisture conducting function Base waterproof humidity-permeant film；Testing this film water pressure resistance according to GB GB/T4744-1997 is 118Pa, according to ASTM E96BW standard carries out moisture-inhibiting test to fibrous membrane, relative humidity be 50% low moisture environments in composite cellulosic membrane Moisture-inhibiting be 19300g/m2/ d, is 90% according to GB/T12704 standard testing composite cellulosic membrane at relative humidity High humidity environment vapor transfer rate be 31100g/m2/d。
Embodiment 25
As it is shown in figure 1, the fiber base waterproof humidity-permeant film of a kind of intelligence unidirectional moisture conducting function is by moisture expantion fibrous layer 1, adhesive 2 and hydrophobic type fibrous layer 3 form, and its preparation method is:
The first step: by polyacrylamide (relative molecular mass is 1000000) preparation mass fraction soluble in water Being the polyacrylamide solution of 20%, and add N, N-bismethacrylamide is as cross-linking agent, N, N-bis- It is 3% that bisacrylamide accounts for the mass fraction of polyacrylamide, is uniformly mixing to obtain spinning solution；Pass through Electrospinning process prepares hydrophilic fiber layer on the nonwoven fabric, and spinning voltage is 30kV, and receiving range is 30cm, the liquid supply speed of spinning solution is 2mL/h, and the thickness of gained hydrophilic fiber layer is 30 μm；
Second step: (viscosity is by polyvinyl butyral resin adhesive emulsion by electrostatic spraying method 15000cps) it is sprayed on hydrophilic fiber layer, forms adhesive layer, spray voltage 30kV, liquid supply speed For 3mL/h, spray time is 2 minutes；
3rd step, is dissolved in N, N-bis-by Kynoar-CTFE (relative molecular mass is 23000) Methylacetamide is prepared Kynoar-CTFE spinning solution that mass fraction is 10%, by quiet Electrical spinning method forms hydrophobic type fibrous layer on above-mentioned adhesive layer, obtains fibrous membrane, and spinning voltage is 50kV, receiving range is 30cm, and the liquid supply speed of spinning solution is 2mL/h, and gained hydrophobic type is fibrolaminar Thickness is 10 μm；
4th step, by above-mentioned fibrous membrane heat treatment 10 minutes in the environment of 100 DEG C, makes hydrophilic fiber layer Occur chemical crosslink reaction to form moisture expantion fibrous layer, thus obtain the fiber with intelligent unidirectional moisture conducting function Base waterproof humidity-permeant film；Testing this film water pressure resistance according to GB GB/T4744-1997 is 108Pa, according to ASTM E96BW standard carries out moisture-inhibiting test to fibrous membrane, relative humidity be 50% low moisture environments in composite cellulosic membrane Moisture-inhibiting be 19200g/m2/ d, is 90% according to GB/T12704 standard testing composite cellulosic membrane at relative humidity High humidity environment vapor transfer rate be 31200g/m2/d。
Embodiment 26
As it is shown in figure 1, the fiber base waterproof humidity-permeant film of a kind of intelligence unidirectional moisture conducting function is by moisture expantion fibrous layer 1, adhesive 2 and hydrophobic type fibrous layer 3 form, and its preparation method is:
The first step: by polyacrylamide (relative molecular mass is 1000000) preparation mass fraction soluble in water Being the polyacrylamide solution of 20%, and add N, N-bismethacrylamide is as cross-linking agent, N, N-bis- It is 5% that bisacrylamide accounts for the mass fraction of polyacrylamide, is uniformly mixing to obtain spinning solution；Pass through Electrospinning process prepares hydrophilic fiber layer on steel plate, and spinning voltage is 30kV, and receiving range is 30cm, The liquid supply speed of spinning solution is 3mL/h, and the thickness of gained hydrophilic fiber layer is 20 μm；
Second step: (viscosity is by polyvinyl butyral resin adhesive emulsion by electrostatic spraying method 15000cps) it is sprayed on hydrophilic fiber layer, forms adhesive layer, spray voltage 30kV, liquid supply speed For 3mL/h, spray time is 2 minutes；
3rd step, is dissolved in N, N-bis-by Kynoar-CTFE (relative molecular mass is 23000) Methylacetamide is prepared Kynoar-CTFE spinning solution that mass fraction is 10%, by quiet Electrical spinning method forms hydrophobic type fibrous layer on above-mentioned adhesive layer, obtains fibrous membrane, and spinning voltage is 50kV, receiving range is 30cm, and the liquid supply speed of spinning solution is 4mL/h, and gained hydrophobic type is fibrolaminar Thickness is 30 μm；
4th step, by above-mentioned fibrous membrane heat treatment 20 minutes in the environment of 80 DEG C, makes hydrophilic fiber layer send out Biochemical cross-linking reaction forms moisture expantion fibrous layer, thus obtains the fiber base with intelligent unidirectional moisture conducting function Waterproof humidity-permeant film；Testing this film water pressure resistance according to GB GB/T4744-1997 is 102Pa, according to ASTM E96 BW standard carries out moisture-inhibiting test to fibrous membrane, relative humidity be 50% low moisture environments in composite cellulosic membrane saturating Wet for 18800g/m2/ d, is the height of 90% according to GB/T12704 standard testing composite cellulosic membrane at relative humidity Wet environment vapor transfer rate is 31600g/m2/d。
Embodiment 27
As it is shown in figure 1, the fiber base waterproof humidity-permeant film of a kind of intelligence unidirectional moisture conducting function is by moisture expantion fibrous layer 1, adhesive 2 and hydrophobic type fibrous layer 3 form, and its preparation method is:
The first step: be 20% by polyvinyl alcohol (relative molecular mass is 60000) preparation mass fraction soluble in water Poly-vinyl alcohol solution, and add maleic anhydride and account for polyvinyl alcohol as cross-linking agent, maleic anhydride Mass fraction is 5%, is uniformly mixing to obtain spinning solution；Prepare hydrophilic on steel plate by electrospinning process Fiber type layer, spinning voltage is 50kV, and receiving range is 30cm, and the liquid supply speed of spinning solution is 3mL/h, The thickness of gained hydrophilic fiber layer is 10 μm；
Second step: (viscosity is by polyvinyl butyral resin adhesive emulsion by electrostatic spraying method 15000cps) it is sprayed on hydrophilic fiber layer, forms adhesive layer, spray voltage 30kV, liquid supply speed For 3mL/h, spray time is 2 minutes；
3rd step, is dissolved in N, N-bis-by Kynoar-CTFE (relative molecular mass is 23000) Methylacetamide is prepared Kynoar-CTFE spinning solution that mass fraction is 10%, by quiet Electrical spinning method forms hydrophobic type fibrous layer on above-mentioned adhesive layer, obtains fibrous membrane, and spinning voltage is 50kV, receiving range is 30cm, and the liquid supply speed of spinning solution is 2mL/h, and gained hydrophobic type is fibrolaminar Thickness is 30 μm；
4th step, by above-mentioned fibrous membrane heat treatment 20 minutes in the environment of 80 DEG C, makes hydrophilic fiber layer send out Biochemical cross-linking reaction forms moisture expantion fibrous layer, thus obtains the fiber base with intelligent unidirectional moisture conducting function Waterproof humidity-permeant film；Testing this film water pressure resistance according to GB GB/T4744-1997 is 106Pa, according to ASTM E96 BW standard carries out moisture-inhibiting test to fibrous membrane, relative humidity be 50% low moisture environments in composite cellulosic membrane saturating Wet for 18400g/m2/ d, is the height of 90% according to GB/T12704 standard testing composite cellulosic membrane at relative humidity Wet environment vapor transfer rate is 31800g/m2/d。
Embodiment 28
As it is shown in figure 1, the fiber base waterproof humidity-permeant film of a kind of intelligence unidirectional moisture conducting function is by moisture expantion fibrous layer 1, adhesive 2 and hydrophobic type fibrous layer 3 form, and its preparation method is:
The first step: polyvinyl alcohol (relative molecular mass is 60000) is dissolved in carbon tetrachloride preparation quality and divides Number is the poly-vinyl alcohol solution of 20%, and adds triethylene-glycol and account for poly-as cross-linking agent, triethylene-glycol The mass fraction of vinyl alcohol is 5%, is uniformly mixing to obtain spinning solution；By electrospinning process on steel plate Preparing hydrophilic fiber layer, spinning voltage is 50kV, and receiving range is 30cm, the liquid supply speed of spinning solution For 3mL/h, the thickness of gained hydrophilic fiber layer is 10 μm；
Second step: (viscosity is by polyvinyl butyral resin adhesive emulsion by electrostatic spraying method 15000cps) it is sprayed on hydrophilic fiber layer, forms adhesive layer, spray voltage 30kV, liquid supply speed For 3mL/h, spray time is 2 minutes；
3rd step, is dissolved in N, N-bis-by Kynoar-CTFE (relative molecular mass is 23000) Methylformamide is prepared Kynoar-CTFE spinning solution that mass fraction is 10%, by quiet Electrical spinning method forms hydrophobic type fibrous layer on above-mentioned adhesive layer, obtains fibrous membrane, and spinning voltage is 50kV, receiving range is 30cm, and the liquid supply speed of spinning solution is 3mL/h, and gained hydrophobic type is fibrolaminar Thickness is 20 μm；
4th step, by above-mentioned fibrous membrane heat treatment 20 minutes in the environment of 100 DEG C, makes hydrophilic fiber layer Occur chemical crosslink reaction to form moisture expantion fibrous layer, thus obtain the fiber with intelligent unidirectional moisture conducting function Base waterproof humidity-permeant film；Testing this film water pressure resistance according to GB GB/T4744-1997 is 116Pa, according to ASTM E96BW standard carries out moisture-inhibiting test to fibrous membrane, relative humidity be 50% low moisture environments in composite cellulosic membrane Moisture-inhibiting be 16400g/m2/ d, is 90% according to GB/T12704 standard testing composite cellulosic membrane at relative humidity High humidity environment vapor transfer rate be 32800g/m2/d。
Embodiment 29
As it is shown in figure 1, the fiber base waterproof humidity-permeant film of a kind of intelligence unidirectional moisture conducting function is by moisture expantion fibrous layer 1, adhesive 2 and hydrophobic type fibrous layer 3 form, and its preparation method is:
The first step: sodium polyacrylate (relative molecular mass is 4000) is dissolved in glycerol preparation quality and divides Number is the sodium polyacrylate solution of 30%, and adds N,N methylene bis acrylamide as cross-linking agent, N, N- It is 5% that methylene-bisacrylamide accounts for the mass fraction of sodium polyacrylate, is uniformly mixing to obtain spinning solution；Logical Crossing electrospinning process and prepare hydrophilic fiber layer on copper mesh, spinning voltage is 40kV, and receiving range is 20cm, the liquid supply speed of spinning solution is 5mL/h, and the thickness of gained hydrophilic fiber layer is 20 μm；
Second step: (viscosity is by polyvinyl butyral resin adhesive emulsion by electrostatic spraying method 15000cps) it is sprayed on hydrophilic fiber layer, forms adhesive layer, spray voltage 20kV, liquid supply speed For 2mL/h, spray time is 1 minute；
3rd step, is dissolved in acetone joining Kynoar-hexafluoropropene (relative molecular mass is 500000) Mass fraction processed is the Kynoar-hexafluoropropene spinning solution of 25%, by electrospinning process above-mentioned Forming hydrophobic type fibrous layer on adhesive layer, obtain fibrous membrane, spinning voltage is 40kV, and receiving range is 25cm, the liquid supply speed of spinning solution is 3mL/h, and the fibrolaminar thickness of gained hydrophobic type is 20 μm；
4th step, by above-mentioned fibrous membrane heat treatment 15 minutes in the environment of 100 DEG C, makes hydrophilic fiber layer Occur chemical crosslink reaction to form moisture expantion fibrous layer, thus obtain the fiber with intelligent unidirectional moisture conducting function Base waterproof humidity-permeant film；Testing this film water pressure resistance according to GB GB/T4744-1997 is 100Pa, according to ASTM E96BW standard carries out moisture-inhibiting test to fibrous membrane, relative humidity be 50% low moisture environments in composite cellulosic membrane Moisture-inhibiting be 18300g/m2/ d, is 90% according to GB/T12704 standard testing composite cellulosic membrane at relative humidity High humidity environment vapor transfer rate be 31600g/m2/d。
Embodiment 30
As it is shown in figure 1, the fiber base waterproof humidity-permeant film of a kind of intelligence unidirectional moisture conducting function is by moisture expantion fibrous layer 1, adhesive 2 and hydrophobic type fibrous layer 3 form, and its preparation method is:
The first step: sodium polyacrylate (relative molecular mass is 4000) is dissolved in glycerol preparation quality and divides Number is the sodium polyacrylate solution of 30%, and adds N,N methylene bis acrylamide as cross-linking agent, N, N- It is 5% that methylene-bisacrylamide accounts for the mass fraction of sodium polyacrylate, is uniformly mixing to obtain spinning solution；Logical Crossing electrospinning process and prepare hydrophilic fiber layer on copper mesh, spinning voltage is 30kV, and receiving range is 20cm, the liquid supply speed of spinning solution is 3mL/h, and the thickness of gained hydrophilic fiber layer is 20 μm；
Second step: (viscosity is by polyvinyl butyral resin adhesive emulsion by electrostatic spraying method 15000cps) it is sprayed on hydrophilic fiber layer, forms adhesive layer, spray voltage 20kV, liquid supply speed For 2mL/h, spray time is 4 minutes；
3rd step, is dissolved in acetone joining Kynoar-hexafluoropropene (relative molecular mass is 500000) Mass fraction processed is the Kynoar-hexafluoropropene spinning solution of 25%, by electrospinning process above-mentioned Forming hydrophobic type fibrous layer on adhesive layer, obtain fibrous membrane, spinning voltage is 40kV, and receiving range is 25cm, the liquid supply speed of spinning solution is 3mL/h, and the fibrolaminar thickness of gained hydrophobic type is 20 μm；
4th step, by above-mentioned fibrous membrane heat treatment 30 minutes in the environment of 100 DEG C, makes hydrophilic fiber layer Occur chemical crosslink reaction to form moisture expantion fibrous layer, thus obtain the fiber with intelligent unidirectional moisture conducting function Base waterproof humidity-permeant film；Testing this film water pressure resistance according to GB GB/T4744-1997 is 110Pa, according to ASTM E96BW standard carries out moisture-inhibiting test to fibrous membrane, relative humidity be 50% low moisture environments in composite cellulosic membrane Moisture-inhibiting be 17300g/m2/ d, is 90% according to GB/T12704 standard testing composite cellulosic membrane at relative humidity High humidity environment vapor transfer rate be 30000g/m2/d。
Embodiment 31
As it is shown in figure 1, the fiber base waterproof humidity-permeant film of a kind of intelligence unidirectional moisture conducting function is by moisture expantion fibrous layer 1, adhesive 2 and hydrophobic type fibrous layer 3 form, and its preparation method is:
The first step: polyacrylamide (relative molecular mass is 1000000) is dissolved in ethylene glycol preparation quality Mark is the polyacrylamide solution of 30%, and adds glutaraldehyde and account for polyacrylamide as cross-linking agent, glutaraldehyde Mass fraction be 5%, be uniformly mixing to obtain spinning solution；Prepared on immersion oil paper by electrospinning process Hydrophilic fiber layer, spinning voltage is 50kV, and receiving range is 30cm, and the liquid supply speed of spinning solution is 0.5mL/h, the thickness of gained hydrophilic fiber layer is 10 μm；
Second step: (viscosity is by polyvinyl butyral resin adhesive emulsion by electrostatic spraying method 15000cps) it is sprayed on hydrophilic fiber layer, forms adhesive layer, spray voltage 30kV, liquid supply speed For 0.5mL/h, spray time is 5 minutes；
3rd step, is dissolved in Methylethyl by Kynoar-CTFE (relative molecular mass is 23000) Ketone is prepared Kynoar-CTFE spinning solution that mass fraction is 20%, by electrostatic spinning side Method forms hydrophobic type fibrous layer on above-mentioned adhesive layer, obtains fibrous membrane, and spinning voltage is 30kV, receives Distance is 25cm, and the liquid supply speed of spinning solution is 4mL/h, and the fibrolaminar thickness of gained hydrophobic type is 25 μm；
4th step, by above-mentioned fibrous membrane heat treatment 10 minutes in the environment of 100 DEG C, makes hydrophilic fiber layer Chemical crosslink reaction is occurred to form moisture expantion fibrous layer；This film is tested water-fast according to GB GB/T4744-1997 Pressure is 118Pa, according to ASTM E96BW standard, fibrous membrane carries out moisture-inhibiting test, and relative humidity is 50% Low moisture environments in the moisture-inhibiting of composite cellulosic membrane be 18800g/m2/ d, is combined according to GB/T12704 standard testing Fibrous membrane is 33200g/m at the high humidity environment vapor transfer rate that relative humidity is 90%2/d。
Embodiment 32
As it is shown in figure 1, the fiber base waterproof humidity-permeant film of a kind of intelligence unidirectional moisture conducting function is by moisture expantion fibrous layer 1, adhesive 2 and hydrophobic type fibrous layer 3 form, and its preparation method is:
The first step: polyacrylamide (relative molecular mass is 1000000) is dissolved in ethylene glycol preparation quality Mark is the polyacrylamide solution of 30%, and adds glutaraldehyde and account for polyacrylamide as cross-linking agent, glutaraldehyde Mass fraction be 5%, be uniformly mixing to obtain spinning solution；Prepared on immersion oil paper by electrospinning process Hydrophilic fiber layer, spinning voltage is 50kV, and receiving range is 30cm, and the liquid supply speed of spinning solution is 0.5mL/h, the thickness of gained hydrophilic fiber layer is 10 μm；
Second step: (viscosity is by polyvinyl butyral resin adhesive emulsion by electrostatic spraying method 15000cps) it is sprayed on hydrophilic fiber layer, forms adhesive layer, spray voltage 30kV, liquid supply speed For 0.5mL/h, spray time is 5 minutes；
3rd step, is dissolved in methyl ethyl ketone preparation by Kynoar (relative molecular mass is 400000) Mass fraction is the Kynoar spinning solution of 10%, by electrospinning process shape on above-mentioned adhesive layer Becoming hydrophobic type fibrous layer, obtain fibrous membrane, spinning voltage is 30kV, and receiving range is 25cm, spinning solution Liquid supply speed be 3mL/h, the fibrolaminar thickness of gained hydrophobic type is 25 μm；
4th step, by above-mentioned fibrous membrane heat treatment 10 minutes in the environment of 100 DEG C, makes hydrophilic fiber layer Occur chemical crosslink reaction to form moisture expantion fibrous layer, thus obtain the fiber with intelligent unidirectional moisture conducting function Base waterproof humidity-permeant film；Testing this film water pressure resistance according to GB GB/T4744-1997 is 117Pa, according to ASTM E96BW standard carries out moisture-inhibiting test to fibrous membrane, relative humidity be 50% low moisture environments in composite cellulosic membrane Moisture-inhibiting be 17800g/m2/ d, is 90% according to GB/T12704 standard testing composite cellulosic membrane at relative humidity High humidity environment vapor transfer rate be 30200g/m2/d。

Claims (10)

1. having a preparation method for the fiber base waterproof humidity-permeant film of intelligent unidirectional moisture conducting function, its feature exists In, including:
The first step: be dissolved in solvent orange 2 A by hydrophilic polymers, adds cross-linking agent, prepares spinning solution, logical Cross electrospinning process and prepare hydrophilic fiber layer on reception base material；
Second step: by electrostatic spraying method by adhesive spraying on hydrophilic fiber layer, formed adhesive layer；
3rd step: be dissolved in solvent B by hydrophobic type polymer, obtains spinning solution, and passes through electrostatic spinning Method forms hydrophobic type fibrous layer on above-mentioned adhesive layer, obtains fibrous membrane；
4th step: described fibrous membrane is carried out heat treatment, makes polymer in hydrophilic fiber layer occur chemistry to hand over Connection reaction forms moisture expantion fibrous layer, thus obtains the fiber base Waterproof Breathable with intelligent unidirectional moisture conducting function Film.
There is the preparation of the fiber base waterproof humidity-permeant film of intelligent unidirectional moisture conducting function the most as claimed in claim 1 Method, it is characterised in that described hydrophilic polymers is sodium polyacrylate, polyacrylamide and polyvinyl alcohol In one or more combination.
There is the preparation of the fiber base waterproof humidity-permeant film of intelligent unidirectional moisture conducting function the most as claimed in claim 1 Method, it is characterised in that in the spinning solution in the described first step mass fraction of hydrophilic polymers be 5～ 30%.
There is the preparation of the fiber base waterproof humidity-permeant film of intelligent unidirectional moisture conducting function the most as claimed in claim 1 Method, it is characterised in that the described cross-linking agent in the first step account for the mass fraction of hydrophilic polymers be 1～ 5%.
There is the preparation of the fiber base waterproof humidity-permeant film of intelligent unidirectional moisture conducting function the most as claimed in claim 1 Method, it is characterised in that the voltage of the electrostatic spinning in the described first step is 5～50kV, receiving range is 10～30cm, the liquid supply speed of spinning solution is 0.5～10mL/h, the thickness of gained hydrophilic fiber layer be 2～ 30μm。
There is the preparation of the fiber base waterproof humidity-permeant film of intelligent unidirectional moisture conducting function the most as claimed in claim 1 Method, it is characterised in that the adhesive in described second step is polyvinyl butyral resin, organosilicon or phenolic aldehyde tree Fat.
There is the preparation of the fiber base waterproof humidity-permeant film of intelligent unidirectional moisture conducting function the most as claimed in claim 1 Method, it is characterised in that in described second step, adhesive sprays to hydrophilic fiber layer by electrostatic spraying method Time upper, the voltage applied is 10～30kV, and liquid supply speed is 0.5～3mL/h, and spray time is 1～5 Minute.
There is the preparation of the fiber base waterproof humidity-permeant film of intelligent unidirectional moisture conducting function the most as claimed in claim 1 Method, it is characterised in that the hydrophobic polymer in described 3rd step be polyvinyl acetate, Kynoar, Kynoar-hexafluoropropene, Kynoar-tetrafluoroethylene-perfluoro methyl vinyl ether and Kynoar- The combination of one or more in CTFE.
There is the preparation of the fiber base waterproof humidity-permeant film of intelligent unidirectional moisture conducting function the most as claimed in claim 1 Method, it is characterised in that the electrostatic spinning voltage in described 3rd step is 5～50kV, receiving range be 10～ 30cm, the liquid supply speed of spinning solution is 0.5～10mL/h, the fibrolaminar thickness of gained hydrophobic type be 2～ 30μm。
There is the preparation of the fiber base waterproof humidity-permeant film of intelligent unidirectional moisture conducting function the most as claimed in claim 1 Method, it is characterised in that described 4th step heat treatment time is 10～120 minutes, treatment temperature be 80～ 150℃。
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