CN104471175B - The building materials of lamination nanofiber are by thin film shield element and manufacture device - Google Patents

The building materials of lamination nanofiber are by thin film shield element and manufacture device Download PDF

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Publication number
CN104471175B
CN104471175B CN201380034447.4A CN201380034447A CN104471175B CN 104471175 B CN104471175 B CN 104471175B CN 201380034447 A CN201380034447 A CN 201380034447A CN 104471175 B CN104471175 B CN 104471175B
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China
Prior art keywords
nanofiber
base material
polymeric adhesive
lamination
mentioned
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CN201380034447.4A
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Chinese (zh)
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CN104471175A (en
Inventor
田丸胜
川久保博
鸨田健司
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TAMARU SEISAKUSHO Co Ltd
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TAMARU SEISAKUSHO Co Ltd
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/52—Devices affording protection against insects, e.g. fly screens; Mesh windows for other purposes
    • 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
    • B32B5/024—Woven fabric
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic 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
    • 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
    • B32B5/026—Knitted fabric
    • 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
    • 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
    • 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
    • B32B2262/0253—Polyolefin 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/412—Transparent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/724—Permeability to gases, adsorption
    • 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
    • B32B2307/726—Permeability to liquids, absorption
    • B32B2307/7265—Non-permeable
    • 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
    • B32B2307/764—Insect repellent
    • 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
    • B32B2419/00—Buildings or parts thereof
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/52—Devices affording protection against insects, e.g. fly screens; Mesh windows for other purposes
    • E06B2009/524—Mesh details
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S55/00—Gas separation
    • Y10S55/31—Filter frame

Abstract

The present invention provides a kind of building materials shield element and manufactures device, and it is made up of the laminate of nanofiber, has breathability, and light-proofness is low, has abundant intensity, cheap for manufacturing cost.A kind of building materials thin film shield element of lamination nanofiber, its gross porosity formed at the fabric of monofilament or multifilament and have on the base material of intensity, first polymeric adhesive is jetted on base material in threadiness, form the mesh thinner than base material hole and make reinforcing base material, reinforcing, base material jets into the fibrous bonding agent of diameter 500nm to 10 μm thinly not blocking mesh gap for brigadier's the second polymeric adhesive, bonding reinforcing base material and nanofiber after lamination nanofiber on the second polymeric adhesive, second polymeric adhesive also gap not block nanofiber is as the criterion, there is breathability and light transmission, pollen particle can be trapped.

Description

The building materials of lamination nanofiber are by thin film shield element and manufacture device
Technical field
The present invention relates to the building materials thin film shield element of a kind of lamination nanofiber and manufacture device, building materials thin film shield element and manufacture device thereof particularly to a kind of lamination nanofiber, it is used for the screen door with breathability for shielded room outer air and indoor or agricultural house, pollen or fine insect etc. can be stoped to enter, and the turnover of air will not be hindered to have again light transmission.
Background technology
Although using and can ensure that breathability, it is possible to prevent again the screen door in mosquito corpse, dust etc. inlet chamber, but recently, in order to prevent in the extremely small harmful substance inlet chamber such as pollen, as Patent Document 1, have been developed over being provided with the screen door that can load and unload filter mantle.And, it is directed to agricultural house, as Patent Document 1, have also been developed the fly net that there is breathability and prevent small insect etc. from entering.
[prior art literature]
[patent documentation]
[patent documentation 1] practical new case logs in No. 3034455 publication
[patent documentation 1] Japanese Patent Laid-Open 2000-217446 publication
Summary of the invention
But, for the shield element of above-mentioned screen door filter mantle or agricultural house, non-woven fabrics is the fiber of trace level at most, in order to block fine material, if not buildup circuit, just cannot block pollen etc. completely.
And, there is also following problem: once thicken non-woven fabrics, shading degree also can increase, indoor dimmed, fee of material also can increase.
On the other hand, as raw materials such as the shades for blocking pollen etc., have also been developed and use the filter having nanofiber, nanofiber itself expensive and also in order to use base material to clamp maintenance nanofiber, there is the defective problem being difficult to fixing nanofiber etc., occur in that the problem points of shortcoming intensity etc..
The problem of the present invention is in view of the research and development of problem above point form, it is possible to provide a kind of shield element and manufacture device, and it is made up of the non-woven fabrics of nanofiber and has the shield element of breathability and also has abundant intensity, and, cheap for manufacturing cost.
In order to solve above-mentioned problem, the invention of claim 1 is the building materials thin film shield element of a kind of lamination nanofiber, it is characterized in that: gross porosity that the fabric at monofilament or multifilament forms and have on the base material of intensity, first polymeric adhesive is jetted on above-mentioned base material and makes reinforcing base material in the threadiness formation mesh thinner than base material hole
This reinforcing base material jets into the fibrous bonding agent of diameter 500nm to 10 μm thinly not blocking mesh gap for brigadier's the second polymeric adhesive, bonding above-mentioned reinforcing base material and this nanofiber after the nanofiber of lamination macromolecular fibre on this second polymeric adhesive
Above-mentioned second polymeric adhesive also gap not block above-mentioned nanofiber is as the criterion, and has breathability and light transmission, it is possible to trap pollen particle.
The invention of claim 2 is the building materials thin film shield element of the lamination nanofiber described in claim 1, it is characterised in that described nanofiber is set to Kynoar (PVDF) and has the fibre diameter of less than 1 μm.
The invention of claim 3 is the building materials thin film shield element of the lamination nanofiber described in claim 1, it is characterized in that, described monofilament or multifilament are the polypropylene (PP) of 0.1～0.5mm diameter, and the gross porosity of the fabric being made up of monofilament or multifilament is sieve mesh 15～30.
The invention of claim 4 is the building materials thin film shield element of the lamination nanofiber described in claim 1, it is characterised in that described first polymeric adhesive is to be jetted to base material by the fibrous fiber of diameter 10 μm to 100 μm.
The invention of claim 5 is the building materials thin film shield element of the lamination nanofiber described in claim 1, it is characterized in that, described first polymeric adhesive is while forming mesh, with above-mentioned base material and above-mentioned second polymeric adhesive and nanofiber, there is cementability, avoid the formation of time bonding as film like.
The invention of claim 6 is the manufacture device of the building materials thin film shield element of a kind of lamination nanofiber, it is characterised in that: being provided with base material transport unit, this base material transport unit is used for transmitting the gross porosity that the fabric of monofilament or multifilament forms and the base material with intensity；Being formed on the substrate and reinforce base material, this reinforcing base material is to be jetted to above-mentioned base material by threadiness first polymeric adhesive of diameter 10～100 μm, reinforces base material hole with the fiber of Aranea nido；Using above-mentioned first polymeric adhesive to be formed, the reinforcing base material that fine mesh is reinforced is provided with bonding agent winding-up portion, this bonding agent winding-up portion is as the criterion with the gap not blocking the nanofiber lamination body of the macromolecular fibre in the gap of above-mentioned reinforcing base material and subsequent handling, jets into the bonding agent of the second polymeric adhesive of 500nm to 10 μm of fibre diameter thinly；This second polymeric adhesive being blowed is jetted the nanofiber of the macromolecular fibre generated by nanofiber generating unit, above-mentioned reinforcing base material has breathability and light transmission after this nanofiber lamination body affixed, it is possible to trap pollen particle.
The invention of claim 7 is the manufacture device of the building materials thin film shield element of the lamination nanofiber described in claim 6, it is characterized in that, described nanofiber generating unit generates nanofiber as follows: use solvent to make spinning from spinning-nozzle after the macromolecular material with long molecules align carries out dissolving pressurization, in the way of surrounding the center discharge opening of this spinning-nozzle, it is provided with the ring-type high speed winds blow-off outlet coaxial with this center discharge opening, come from the air-flow of this high speed winds blow-off outlet to extend blowout on the direction that in the way of the macromolecular fibre in discharge opening dead astern, above-mentioned center, the macromolecular fibre of spinning gained intersects, it is provided with the extension airflow mechanism dispelled by the solvent in the macromolecular fibre of spinning gained in crossover range as removing and extend macromolecular fibre after gas.
The building materials thin film shield element of the lamination nanofiber according to the present invention, even if relatively thin shield element also has abundant intensity, it may have fully air-breathing property, and shading rate reduces, it is possible to stops pollen particle or fine insect etc. to enter, improves its arresting efficiency.
And, the raw material of nanofiber have employed Kynoar (PVDF), and therefore weather resisteant is also excellent, owing to being also the resin that resistance to ray is stronger, is adapted as being provided in the building materials of screen door or the agricultural house etc. of open air, cleans also simple and easy to do.
Furthermore, invention according to this device, for the building materials thin film shield element of lamination nanofiber, thickness is thin also has some strength, also having fully air-breathing property, shading rate reduces, and improves the arresting efficiency that pollen particle or fine insect etc. can be stoped to enter, there is abundant intensity, it is possible to manufacture in a large number at low cost.
Accompanying drawing explanation
Fig. 1 is the concept skeleton diagram manufacturing device of the filter using the nanofiber having the embodiment of the present invention；
Fig. 2 is the microphotograph figure of the base material N1 of the only embodiment of the present invention；
Fig. 3 is the microphotograph figure reinforcing base material that on the base material N1 of Fig. 1 of the embodiment of the present invention, winding-up has the first polymeric adhesive N2；
Fig. 4 is the summary section of the spray nozzle part of ejection the first polymeric adhesive；
Fig. 5 is the amplification profile of the front end of the spray nozzle part of Fig. 4；
The microphotograph figure of microscope state Fig. 6 is to jet the second polymeric adhesive N3 for bonding agent on the base material N1 of Fig. 3 and the reinforcing base material of use the first polymeric adhesive winding-up of the embodiment of the present invention；
Fig. 7 is the summary section of the spray nozzle part of ejection the second polymeric adhesive；
Fig. 8 is the amplification profile of the front end of the spray nozzle part of Fig. 7；
The microphotograph figure observed from nanofiber side Fig. 9 is that winding-up has the layers on substrates of the second polymeric adhesive N3 to amass nanofiber N4 on the base material N1 and the first polymeric adhesive N2 of Fig. 6 of the embodiment of the present invention；
The microphotograph figure observed from base material N1 side under the state that Figure 10 is the nanofiber N4 of the Fig. 9 being laminated with embodiment；
Figure 11 is the overall profile of the spinning-nozzle of the nanofiber of the present invention；
Figure 12 is the amplifier section profile of the front end of the spinning-nozzle of Figure 11.
The component name that in figure, each accompanying drawing labelling is corresponding is:
N1 base material
N2 the first polymeric adhesive
N3 the second polymeric adhesive
N4 nanofiber
A nanofiber lamination body forms operation
B mesh reinforcement processbearing astrocyte operation
C bonding agent winding-up operation
D nanofiber generating unit
1 nanofiber trap portion
11 times material-feeding rolling wheels
Material-feeding rolling wheels on 12
13 plane maintenance metal gauzes
14 attraction pipelines
15 guide rollers
17 product rolling portions
21 base material supply units
22 base material moving parts
3 (4) winding-up portions
31 (41) spray nozzle parts
311 (411) central nozzles
312 (412) bonding agent supply units
313 (413) bonding agent supply pipes
314 (414) supply pumps
315 (415) tubular blow-out nozzles
316 (416) air supply pipes
317 (417) air pumps
32 (42) heaters
5 spinning-nozzles
51 discharge openings
511 peripheries
52 central shaft holes
521 peripheries
522a, 522b spacer portion
53 transmit mouth
54 high speed winds blowout passage
541a, 541b internal perisporium
55 high speed winds blow-off outlets
56 air-flow supply units
6 material storage containers
7 gear pumps (discharge mechanism)
71 supplying tubing
72 transmit pipe arrangement
8 nozzle protuberances
Detailed description of the invention
nullThe invention is characterized in that the building materials thin film shield element being adhesively fixed on base material by 1 μm (micron) following nanofiber lamination body，In further detail，It is exactly the gross porosity formed at the fabric of monofilament or multifilament and has on the base material of intensity，The diameter fiber more than the 10～100 of nanofiber μm is jetted to above-mentioned base material as the raw material of the first cementability，Use the Aranea nido fiber being more narrower than base material hole to improve cementability，The intensity of nanofiber can also be reinforced simultaneously，The base material that this process is reinforced is as the criterion will not block gap，Diameter is jetted on the base material through reinforcing as the raw material of the second cementability to the fiber of 100nm thinly more than some 10 μm of nanofiber，Bonding above-mentioned base material and nanofiber after lamination nanofiber on this second bonding agent，First，With reference to drawing, the applicable embodiment of the building materials thin film shield element of the lamination nanofiber of the present invention is illustrated.
[embodiment 1]
Represent the conceptual illustration figure of outline with reference to Fig. 1, the manufacture device of the building materials thin film shield element of the lamination nanofiber of embodiments of the invention 1 is illustrated.
As it is shown in figure 1, the outline manufacturing device of thin film shield element is made up of following four operation: transmit the base material N1 that is made into by monofilament, in its surface [nanofiber lamination body forms operation A] of in addition rolling after lamination nanofiber；Jet the first polymeric adhesive N2 on the base material transmitted, use processbearing astrocyte Aranea nido or shape wet end, be bonded on base material in order to reinforce [the mesh reinforcement processbearing astrocyte process B] of base material simultaneously；On the base material through reinforcing, winding-up is bonded with the second polymeric adhesive N3 of nanofiber in order to form [the bonding agent winding-up operation C] of adhesive portion；And [the nanofiber generating unit D] of the nanofiber N4 that jets on this polymeric adhesive N3.
With regard to this, below above-mentioned each operation is described in detail.
[nanofiber lamination body forms operation A]
The monomer of the base material N1 of the present embodiment is such as shown in microphotograph Fig. 2, it is that the monofilament of the PP (polypropylene) of the 0.25mm diameter that usual screen door uses is made into, the net (Dio is melted into Co., Ltd., fly net (production code member sieve mesh 18)) of 18 sieve meshes of 18 × 18 is had during 1 inch (25.4 millimeters) are square, thickness is 0.48mm, and weight is 80g/m2, this base material uses as building materials such as screen doors has abundant intensity.Furthermore, as for base material N1, except above-mentioned PP (polypropylene), polyethylene (PE), polyester (PET), polyphenylene sulfide (PPS) etc. can also be used, the diameter of monofilament or multifilament is 0.1～0.5mm diameter, this monofilament or multifilament the gross porosity of the fabric being made into can also be the mesh of sieve mesh 15～30.
This base material N1 is as shown in Figure 1, nanofiber trap portion 1 is provided with material-feeding rolling wheels 12 on the lower material-feeding rolling wheels 11 and a pair that move in order to mesh-like from bottom to up, between this two roller, the plane maintenance metal gauze 13 with intensity it is provided with in order to vertically maintain polyacrylic base material N1, it is configured with attraction pipeline 14 in order to be attracted to by nanofiber N4 on base material N1 behind, each raw-material hole thickness of plane maintenance metal gauze 13 and base material N1: 0.48mm, weight: 80g/m2Use and attract air (attracting negative pressure 200Pa) to attract nanofiber N4 by suction pump (not shown) is produced, and, utilize the local captivation thick in lower position hole can become big, the nanofiber of top position just can be attracted in this place, as a result of which it is, the hole size of nanofiber N4 layer becomes uniform, the amount through air also becomes uniform.
Herein, will transmit through air and be rolled into the base material supply unit 21 of cylinder shape when this device operates almost without the base material N1 hindered, axle is to rotate in the way of opening base material N1 reel, by material-feeding rolling wheels 11, from base material supply unit 21, the base material N1 of specified quantitative is sent to the base material moving part 22 plane maintenance metal gauze 13.
The base material N1 transmitted by material-feeding rolling wheels 11 is moved upward on plane maintenance metal gauze 13, first, jet above-mentioned fibrous first polymeric adhesive N2, then, nanofiber N4 is bonded in the second polymeric adhesive N3 on base material N1 or the first polymeric adhesive N2 etc. by winding-up coating, finally, carry out bonding after winding-up nanofiber N4 lamination, after being crimped by material-feeding rolling wheels 12 on a pair, via guide roller 15, by product rolling portion 17 rolling in addition.
[mesh reinforcement processbearing astrocyte process B]
Secondly, [mesh reinforcement processbearing astrocyte process B] is illustrated, jet the first polymeric adhesive N2 on the base material N1 transmitted, use Aranea nido or shape fiber cross-link after formed mesh, while preventing the base material N1 mesh being made into from deviation occurring, can forming the mesh thinner than the space of base material N1 mesh further, reinforcing is in the intensity of the thin nanofiber layer of subsequent handling institute lamination, it is prevented that nanofiber layer is impaired.
This state is such as shown in microphotograph Fig. 3, the space segment of the squared mesh of base material N1 is set to the average thickness 10～100 μm of the first polymeric adhesive N2, use the fiber being coarser than nanofiber N4, to Aranea nido or shape fiber cross-link around thus forming thinner mesh, the bonding agent using the second polymeric adhesive N3 in this fine mesh carrys out the nanofiber N4 layer of bonding subsequent handling, can improve the intensity of the laminate of nanofiber N4.
This first polymeric adhesive N2 is as crosslinking and reinforcing bonding agent (Co., Ltd.'s system；KleiberitPUR reactive hot-melt bonding agent (production code member) No.703.5), having wire drawing to be the character that Aranea nido extends, and is suitable for forming the fine mesh through crosslinking.And, the bonding agent of this first polymeric adhesive, without heating, at room temperature can solidify gradually (several seconds), bring qualitative change thus without to base material N1 or nanofiber N4.
And, use this first polymeric adhesive N2 the spatial portion of the squared mesh of base material N1 formed Aranea nido or reason for this is that of shape mesh: in order to reduce the blocking nanofiber N4 space formed, once base material N1 can reduce mesh space due to monofilament itself, regardless of whether the weight of shield element increases, the defective problem that shading rate increases also can be produced.
By Fig. 1, Fig. 4 and Fig. 5, to around this Aranea nido or [the mesh reinforcement processbearing astrocyte process B] of shape fiber be illustrated.
As shown in Figure 1, the device composition of [mesh reinforcement processbearing astrocyte process B] is positioned between [bonding agent winding-up operation C] and [nanofiber lamination body forms operation A], on the surface of mesh becoming polypropylene (or polystyrene) base material N1, jet on the square space of base material N1, form fine mesh after the first polymeric adhesive N2, before the bonding agent of nanofiber N4 or the second polymeric adhesive N3 is jetted to base material N1, such as Fig. 4, shown in Fig. 5, made by spray nozzle part 31 and jet to base material N1 after the thicker threadiness again with intensity than nanofiber.
This first polymeric adhesive N2 is the polyurethane hot-melt bonding agent (moisture-curable type) (PUR reactive hot-melt bonding agent (production code member) No.703.5) of Co., Ltd. KleiberitJapan, and physical property is as described below.
(A) main component polyurethanes
Viscosity
120 DEG C: 11,000mPas
140 DEG C: 6,000mPas
Open hour (solvent evaporation required (hardening) time) φ 3mm bead: 30sec
Open hour 90 μm: 30sec
Feature: heat-resisting, water-fast, tolerance to cold, low temperature coated, elastic type, stringiness
Jet this first polymeric adhesive N2 time, once fill the gap of nanofiber N4, the fine air permeability of not at all easy nanofiber N4 got can be hindered, therefore the first polymeric adhesive N2 should attenuate as far as possible, in order to formed Aranea nido or shape net, should avoiding filling the gap of nanofiber N4 during formation, this point is critically important.
First polymeric adhesive N2 selects PUR reactive hot-melt bonding agent ((production code member) No.703.5), and its alternative condition is as follows:
(1) reinforcing in the mesh space (sieve mesh gap) of base material N1 is considered, and, the coated face of the bonding agent of the second polymeric adhesive N3 as described later expands (expansion bond area),
(2) become threadiness and stringiness strong cross-linking be excellent,
(3) distance from the winding-up operation of the first polymeric adhesive to the winding-up operation of the second polymeric adhesive N3 is shorter, and therefore after coating adhesive, should harden at once in surface.Furthermore, as for other first polymeric adhesives N2, use the polyurethane hot-melt bonding agent (moisture-curable type) of the production code member VP9484/10 of the type without yellowish discoloration (transparent or white) of Co., Ltd. KleiberitJapan, it is also possible to obtain same result.
In Fig. 1, the winding-up portion 3 of the first polymeric adhesive N2 of [mesh reinforcement processbearing astrocyte process B] is arranged in the bottom of central authorities, and upper and lower two spray nozzle parts 31 face relative to the base material N1 of base material moving part 22 together moves back and forth so that distance 110cm (nanofiber generation width) is parallel.This is because the first polymeric adhesive N2 the same with nanofiber layer need not carry out lamination, reinforces the intensity of nanofiber N4, would rather less as well.
Above-mentioned first polymeric adhesive N2 temperature is more high and decrease in viscosity, and viscosity when 140 DEG C is 6000 (mPa s), in order to use in this condition, is provided with heater 32 on spray nozzle part 31.Furthermore, in order to not allow the first polymeric adhesive N2 melt fusion together with the second polymeric adhesive N3 as described later, rapid-drying properties (several seconds) bonding agent should be used.
Herein, with reference to Fig. 1, Fig. 4 and Fig. 5, first polymeric adhesive N2 (bonding agent) winding-up portion 3 and spray nozzle part 31 are described in detail, the bonding agent (the first polymeric adhesive N2) being heated to about 140 DEG C passes through to supply pump 314 from supply unit 312, supplies pipe 313 from bonding agent (the first polymeric adhesive N2) and is fed into the central nozzle 311 that front end nozzle diameter is 0.15mm.In the way of surrounding the urceolus of this central nozzle 311 front end, it is provided with tubular blow-out nozzle 315, ejects high-speed air from this tubular blow-out nozzle 315 and spray to base material N1 in the way of extracting bonding agent out from central nozzle 311.Now, by the air pump 317 for wind pushing air, reach ejection area with 50 liters/min via air supply pipe 316 and be about 1mm2, by heater 32, spray nozzle part 31 entirety being heated to about 140 DEG C, ejection air sprays after being also heated to about about 140 DEG C, and bonding agent is also maintained at 140 DEG C at spray nozzle front end.
According to this composition, even if particularly not using ESD method, can also judging to compare the method, many that I haven't seen you for ages is more thicker, the fibrous bonding agent of fibre diameter 500nm～500 μm can be generated, wherein melt be 10 μm to 100 μm fibrous first polymeric adhesive N2 by Aranea nido or shape be attached on polypropylene base N1 in the way of jet, overall even spread.
[bonding agent winding-up operation C]
Then, to using on the first polymeric adhesive N2 base material reinforced in [mesh reinforcement processbearing astrocyte process B], winding-up is bonded with [the bonding agent winding-up operation C] of the second polymeric adhesive N3 of nanofiber and is illustrated.
Shown in this state such as microphotograph Fig. 6 (base material N1+ (linkable adhesive) N2+ (bonding agent) N3), gap not block mesh is as the criterion, using the gross porosity Standard Thin unfertile land winding-up diameter 10 μm thinner for polymeric adhesive N2 than first to the fiber of 100nm as the bonding agent of the second polymeric adhesive N3.Therefore, comparing with the state of the first polymeric adhesive N2 (base material N1+ linkable adhesive N2) of Fig. 3, the microphotograph of Fig. 6 shows that the bonding agent of the second polymeric adhesive N3 is as the criterion with the gap not blocking mesh and jets thinner.
As shown in Figure 1, the device composition of [bonding agent winding-up operation C] is positioned between [nanofiber generating unit D] and [mesh reinforcement processbearing astrocyte process B], nozzle is substantially identical with [mesh reinforcement processbearing astrocyte process B], become on the surface of mesh at the base material N1 and the first polymeric adhesive N2 of polypropylene (or polystyrene), the bonding agent of the second polymeric adhesive N3 that jets.
This second polymeric adhesive N3 is the polyurethane hot-melt bonding agent (moisture-curable type) (PUR reactive hot-melt bonding agent (production code member) No.701.1 or 701.2) of Co., Ltd. KleiberitJapan, and physical property is as described below.Furthermore, the present embodiment uses and has UR reactive hot-melt bonding agent (production code member) No.701.2.And, as for other second polymeric adhesives N3, use the polyurethane hot-melt bonding agent (moisture-curable type) of the production code member LA7575UV of the type without yellowish discoloration (transparent or white) of Co., Ltd. Henkel can also obtain same result.
(B) PUR reactive hot-melt bonding agent (production code member) No.701.1
Main component polyurethanes
Viscosity
80 DEG C: 12,000mPas
100 DEG C: 4,000mPas
120 DEG C: 2,000mPas
Open hour: > 1hour
Uncured intensity (greenstrength): strong
Feature: low temperature coated, without wire drawing, work hydrolytic resistance
(C) PUR reactive hot-melt bonding agent (production code member) No.701.2
Main component polyurethanes
Viscosity (during manufacture)
brookfieldHBTD10rpm
100 DEG C of about 5,000 ± 1,500mPas
120 DEG C of about 3,000 ± 1,000mPas
Open hour. φ 3mm bead: 3～4sec
Additive: containing isocyanates
Second polymeric adhesive N3 selects PUR reactive hot-melt bonding agent ((production code member) No.701.1 or 701.2), and its alternative condition is as follows:
(1) cementability with by the base material reinforcing mesh made by the mesh space (sieve mesh gap) of base material N1 and the crosslinking of the first polymeric adhesive N2 is good,
(2) will not blocking mesh, the deformation of stringiness etc is less,
(3) surface after the second polymeric adhesive N3 it is coated with until the time needed for hardening is longer, utilize until the long period (3 minutes～1 hour) needed for Surface hardened layer is coated with nanofiber, the long-time time ensureing bonding base material N1 and nanofiber N4
(4) before hardening, it is necessary to there is strong cementability, it is simple to bonding nanofiber N4.
Therefore, as long as these conditions can be met, it is possible to forming the fiber of fibre diameter 500nm to 10 μm, such bonding agent can also use other polymeric adhesives.
The spray nozzle device using this is the same with [mesh reinforcement processbearing astrocyte process B], is only that the polymeric adhesive supplied is different.
This second polymeric adhesive N3 is used to be adhesively fixed the bonding agent (the second polymeric adhesive N3) of base material N1 and the first polymeric adhesive N2 and nanofiber N4, there is the character that cementability is higher, be well suited for being fixed on base material N1 nanofiber N4 laminate.And, the bonding agent of this second polymeric adhesive N3, without heating, at room temperature can solidify gradually, base material N1 or nanofiber N4 will not be brought qualitative change.
And, use this second polymeric adhesive N3 the spatial portion of the mesh of base material N1 etc. formed Aranea nido or reason for this is that of shape mesh: in order to reduce the blocking nanofiber N4 space formed, different owing to monofilament itself can reduce mesh space with base material N1, regardless of whether the weight of shield element increases, the defective problem that shading rate increases also can be produced.
Thus, when forming the bonding agent of the second polymeric adhesive N3, do not block the nanofiber N4 space formed to try one's best to be as the criterion, be formed as very thin threadiness, this point is critically important, having, if used, the bonding agent launching to become film like, using nanofiber N4 just nonsensical, thin fiber of preferably trying one's best.Second polymeric adhesive N3 is set to the fiber of fibre diameter 500nm to 10 μm by the present embodiment, through reinforcing base material on do not block gap be as the criterion jet thinly critically important.
In a word, using the first polymeric adhesive N2 and the second polymeric adhesive N3 to form fine fibre is absolute important document, particularly the first polymeric adhesive N2 is supplementing of mesh, preferably there is binding function and fiber (Fiber) shape shape can be maintained hardened at once, otherwise, second polymeric adhesive N3 preferably can improve bonding base material N1 or the function of the first polymeric adhesive N2 or nanofiber N4, maintains the sufficient bonding time, compares slow hardening.
As mentioned above, only using the first polymeric adhesive N2 of supplying as the second polymeric adhesive N3, the structure of the nozzle of the first polymeric adhesive N2 itself, and impose a condition as shown in Figure 7 and Figure 8, the symbol ahead 3 of symbol (for the purpose of prudent, is rewritten as 4 by omitted identical with Fig. 4 and Fig. 5.).
[nanofiber generating unit D]
[bonding agent winding-up operation C] is complete, when shown in such as microphotograph Fig. 6 (base material N1+ (linkable adhesive) N2+ (bonding agent) N3), the nanofiber of the Kynoar (PVDF) generated in winding-up lamination [nanofiber generating unit D].
Shown in this state such as microphotograph Fig. 9, Figure 10 (base material N1+ (linkable adhesive) N2+ (bonding agent) N3+ nanofiber N4), Fig. 9 be from microphotograph figure, Figure 10 of observing through the nanofiber side of lamination be from base material N1 side observe microphotograph.
The device composition of [nanofiber generating unit D] is illustrated, and this nanofiber generating unit D is mainly made up of spinning-nozzle 5 and high speed winds blow-off outlet 55, first, starts to be illustrated from spinning-nozzle 5.
[spinning-nozzle 5]
As shown in the enlarged drawing of the spinning-nozzle 5 of Fig. 2, metal spinning-nozzle 5 the center is provided with the central shaft hole 52 being connected on front end discharge opening 51 below, the opposition side of central shaft hole 52 is provided with transmission mouth 53, to the Kynoar (PVDF) that this transmission mouth 53 supply use solvent (solvent) dissolves.It is sent to the transmission path of the Kynoar (PVDF) through dissolving transmitting mouth 53, as shown in Figure 1, Kynoar (PVDF) is heated to room temperature 20 DEG C or some about 40 DEG C of heating up by accommodating container 6, then, from accommodating container 6 via supplying tubing 71, transmitted by gear pump 7, furthermore, above-mentioned transmission mouth 53 will be supplied to via transmitting the Kynoar (PVDF) that also dissolves of pipe arrangement 72 after transmitting.
Furthermore, the Kynoar (PVDF) in the present embodiment 1 is due to decrease in viscosity, as described later, uses NMP as solvent, and material concentration is set to 14wt%.And, the internal diameter of discharge opening 51 is set to 0.1mm to 0.2mm, is set to 0.15mm in the present embodiment, when being set to more than 0.2mm, even if re-extending the fineness being also difficult to obtain nanometer scale, although more thin more good, but when being set to below 0.1mm, once blocking will slow down spinning speed.
[high speed winds blow-off outlet 55]
As shown in Figure 11, Figure 12, spinning-nozzle 5 is around central shaft hole 52, in the way of surrounding central shaft hole 52, coaxial is provided with ring-type high speed winds blowout passage 54, the front end of high speed winds blowout passage 54 is provided with the ring-type high speed winds blow-off outlet 55 with specific blowout angle, and this high speed winds blow-off outlet 55 has only retreated about X1=4mm (2～4mm) than above-mentioned discharge opening 51.
And, pars intermedia at spinning-nozzle 5 is provided with the air-flow supply unit 56 being connected to other ends of high speed winds blowout passage 54, air-flow supply unit 56 can supply room temperature 20 DEG C or some the air-flow of about 20～40 DEG C of heating up, in the way of using the high velocity air of high speed winds blow-off outlet 55 to surround, will extend from Kynoar (PVDF) the fiber downstream tractive of discharge opening 51 spinning gained.The high speed winds blow-off outlet 55 with this specific blowout angle constitutes extension airflow mechanism.
Furthermore, spinning-nozzle 5 is as shown in Figure 11, Figure 12, between the peripheral part 521 of central shaft hole 52 and peripheral part 511 and internal perisporium 541a, 541b of high speed winds blowout passage 54 of discharge opening 51 side, in position it is provided with for maintaining the spacer portion 522a of path clearance, 522b to constitute interval.
nullThis extension airflow mechanism is explained in more detail，It is through high velocity air and extends Kynoar (PVDF) fiber further，Therefore the blowout angle (proper angle of the left and right centered by the axle of central shaft hole 52) of ring-type high speed winds blow-off outlet 55 is critically important，Experimental result is angle 30 °～about 50 °，Namely，The blow-off direction of the high velocity air of hot air blow port 15 is relative to the central axis of above-mentioned center discharge opening 51，The angular range of preferably 15 °～25 °，Angle 30 ° (with central shaft angle 15 °) below time，Less with the less then progradation of the contact force of Kynoar (PVDF)，Time more than angle 50 ° (with central shaft angle 25 °)，The negative pressure of contact will not be produced，Therefore progradation is less，The present embodiment 1 is set to angle 38 ° (with central shaft angle 19 °)，Can effectively play progradation.
Consequently, it is possible to the air-flow coming from high speed winds blow-off outlet 55 just touches Kynoar (PVDF) fiber of spinning gained, just complete the superfine fibre of μ magnitude, nanofiber will not be become.
And, effectively extend Kynoar (PVDF) fiber, for Kynoar (PVDF) fiber making dissolved state, it is set to the viscosity lower than solvents such as NMP also critically important, in embodiment 1, it is necessary to spue through the Kynoar (PVDF) dissolved from the discharge opening 51 of diameter 0.15mm possibly through gear pump 7.
Furthermore, extend airflow mechanism to be also required to use high velocity air to be extended after obtaining spinning from discharge opening 51, the more important thing is, needing leaves solvent gasification after-blow such as NMP contained in Kynoar (PVDF) fiber while being extended removes, therefore, high speed winds blow-off outlet 55 via nozzle protuberance 8 than above-mentioned discharge opening 51 only retreat X1=4mm (2～4mm) left and right, by promote from discharge opening 51 through Kynoar (PVDF) fiber of spinning solvent gasification or Kynoar (PVDF) fiber drying in the way of constituted.
Specific range X1 on the flow direction of this high speed winds blow-off outlet 55 and discharge opening 51, once retreat more than 4mm, the progradation of PVDF fiber will weaken, when being set to below 1mm, the gasification of solvent promotes to weaken, fiber inherently can be curling bonding, it is difficult to forms PVDF nanofiber attractive in appearance.Thus, it is possible to take into account the extension of Kynoar (PVDF) fiber and the quick of solvent is removed just critically important.And, once the solvents such as NMP are removed after producing gasification from Kynoar (PVDF) fiber, extend the nanofiber trap portion 1 that will terminate to be formed by the nanofiber lamination body in downstream operation A and trap.
Herein, use Kynoar (PVDF) as the raw material of nanofiber N4, Kynoar (PVDF) is one of thermoplastic plastic, is the fusing point high-intensity resin that is maintained at 134～169 DEG C of scopes, and the heat resisting temperature that can commonly use is 150 DEG C of front and back, it it is the raw material of good thermal stability, and, drug resistance is good, excellent processability, there is flame retardancy, though burning also less generation smog.Being that electrical characteristic is good, strong dielectric property, piezoelectricity is excellent, and particularly weather resisteant is excellent, the resin that resistance to ray is stronger, is adapted as being provided in the building materials of screen door or the agricultural house etc. of open air, cleans also simple and easy to do.
The nanofiber lamination body of the state shown in microphotograph Fig. 6 (base material N1+ (linkable adhesive) N2+ (bonding agent) N3), is manufactured according to following condition.
Impose a condition (embodiment)
Material:
Host: Co., Ltd.'s KUREHA system
Kynoar (PVDF) 13.3wt/% (%:w/w% relative to gross weight)
Solvent (solvent): REFINE Co., Ltd. of Japan system
METHYLPYRROLIDONE (N-methylpyrrolidone) (NMP): 82.0wt/%
Toluene: 4.7wt/%
Solution spues and presses: 0.15MPa
High velocity air blowout angle 38 °
The pressure of high velocity air: 0.26MPa
The flow of high velocity air: 34L/min
Fibre diameter: 200～500nm
nullIn the present embodiment，Use Kynoar (PVDF) as the raw material of the nanofiber of macromolecular fibre，Use METHYLPYRROLIDONE (N-methylpyrrolidone) (NMP) as solvent，Weather resisteant is more or less short of，Combination as other macromolecules and solvent，(space portion is emerging produces system to nylon: 1022B) with as the formic acid of solvent (solvent)，Equally，Polyetherimide (PEI) and DMF or dimethyl acetylamide (DMAc) as solvent can also obtain same result，Additionally polyacrylonitrile (PolyAcryloNitrile、Or polyether sulfone (PolyEtherSulphone PAN)、And dimethyl acetylamide (DMAc) or DMF (dimethylformamide) PES)、Chitosan and the weak acid such as acetic acid or citric acid、Propylene (PolyMethylMethAcrylate、And methanol PMMA)、The combination etc. of polylactic acid and chloroform can be used for manufacturing nanofiber.
[building materials of the lamination nanofiber of the present embodiment characteristic of thin film shield element]
Described in the filter using the nanofiber having the present embodiment is constructed as follows.
(1) base material N1: polypropylene (PP): the monofilament of 0.25mm diameter
18 sieve meshes, thickness: 0.48mm, weight: 80g/m2
(2) first polymeric adhesive N2: polyurethane hot-melt bonding agent (rapid-curing cutback moisture-curable type)
Diameter is the fiber of 10nm～100 μm: weight 3g/mm3
(3) second polymeric adhesive N3: polyurethane hot-melt bonding agent (moisture-curable type)
Diameter is the fiber of 500nm～10 μm: weight 2g/mm3
(4) nanofiber N4: Kynoar (PVDF)
Diameter is the fiber of 200nm to 50nm: weight 0.8g/mm3
(5) product thickness (base material N1+ the first polymeric adhesive N2+ the second polymeric adhesive N3+ nanofiber N4): 0.5mm
Furthermore, the fibre diameter of above-mentioned base material N1 is set to the monofilament of 0.25mm diameter, too thin then insufficient strength, too thick then product thickness becomes big and shading rate and also uprises dimmed, therefore the diameter of monofilament or multifilament preferably 0.1～0.5mm diameter, uses the mesh of the gross porosity preferably sieve mesh 15～30 of the fabric that this monofilament or multifilament knit.
First polymeric adhesive N2 is set to polyurethanes, olefin-based bonding agent can also, fibre diameter is set to diameter 10nm～100 μm, and weight is 1～5g/mm preferably3, it is more early more good in several seconds (sec) left and right that the first polymeric adhesive N2 should be easy to be formed mesh, hardening and rate of drying.
Second polymeric adhesive N3 is set to polyurethanes, olefin-based bonding agent can also, fibre diameter is set to diameter 500nm～10 μm, and weight is 1～5g/mm preferably3, the second polymeric adhesive N3 should extend the bonding time as far as possible, and hardening and rate of drying are more slow more good 1 hour (sec) left and right or more than one hour.
And, nanofiber N4: Kynoar (PVDF) is as set forth above, it is possible to be nylon etc., and preferably weather resisteant is also excellent.And, fibre diameter is set to diameter 200nm to 1 μm, and weight is set to 0.8g/mm3, preferably light-proofness is low and the capture rate of pollen etc. is high nanofiber lamination body.
According to above composition, comparison diagram 3 and Figure 10 judge, compare the thickness 0.3mm of base material N1, even with shield element about about 1 μm very thin, also can be bonded on base material N1, and therefore entirety all has abundant intensity.
The thickness (base material N1+ the first polymeric adhesive N2+ the second polymeric adhesive N3+ nanofiber N4) of actual final products is also 0.5mm, compare the thickness 0.48mm diameter of base material N1, also merely add 0.12mm, very thin, it is also possible to shading rate to be dropped to extremely low.
And, ultraviolet rays shielding ratio is 58% (unifies, according to the raw-material processing effect of uvioresistant, spectrophotometer and the long zone levelling of all-wave that appraisal procedure (chemical fibre association of Japan) provides, bandpass filters is arranged between integrating sphere and detector), transmitance 38.9% during 305nm wavelength, transmitance 44.1% during 360nm wavelength.And, shading rate is 64.62% (after 3538lx installation illumination) (JISL1055A method: front illumination is installed in test piece: 10000lx. test piece light source side: coated face), this numerical value is 55 to 70% according to the light transmittance of commercially available most thin window curtain, it is judged that can fully obtain the light coming from open air.
About breathability, 423.8cm3/cm2S enough, compares with filter effect and has breathability, and trapping (filtration) efficiency by the pollen of the experiment results proved present invention is 89.1%, it is possible to as the raw building material for stoping pollen or fine insect etc. to enter.
That is, when having attracted pilot system with special air flow, drop from the test powder body (pollen replacement particle) passing over granulate device granulate in addition of filter part with specific speed.Measure the mass particle caught by filter portion respectively and by the mass particle of filter part, calculate trapping (filtration) efficiency according to following formula.
The mass particle (mg) that seizure (filtration) the efficiency %=filter part of pollen particle catches/(mass particle (mg) that filter part catches+by the mass particle (mg) of filter part)
Experimental condition
Test powder body (pollen replacement particle): Lycopodium clavatum spore powder (APPIE standard powder body)
Test fluid: 28.3L/min
Test grain weight amount: 75 ± 5mg
Test powder body speed: 20 ± 5mg/min
The humiture of test chamber: 20 ± 5 DEG C, 50 ± 10%RH
Thus, it is possible to have fully air-breathing property, shading rate reduces, and improves the arresting efficiency of pollen particle.And, the raw material of nanofiber is set to Kynoar (PVDF), weather resisteant is also comparatively excellent, is also the resin that resistance to ray is stronger, is adapted as being provided in the building materials of screen door or the agricultural house etc. of open air, cleans also simple and easy to do.
Furthermore, as long as not detracting from inventive feature, certainly it is also not limited to above-described embodiment.

Claims (5)

1. the building materials of lamination nanofiber thin film shield element, it is characterized in that: gross porosity that the fabric at monofilament or multifilament forms and have on the base material of intensity, first polymeric adhesive is jetted on above-mentioned base material and makes reinforcing base material in the threadiness formation mesh thinner than base material hole
This reinforcing base material jets into the fibrous bonding agent of diameter 500nm to 10 μm thinly not blocking mesh gap for brigadier's the second polymeric adhesive, bonding above-mentioned reinforcing base material and this nanofiber after the nanofiber of lamination macromolecular fibre on this second polymeric adhesive
Above-mentioned second polymeric adhesive also gap not block above-mentioned nanofiber is as the criterion, and has breathability and light transmission, it is possible to trap pollen particle；
Described first polymeric adhesive is to be jetted to base material by the fibrous fiber of diameter 10 μm to 100 μm, while forming mesh, with above-mentioned base material and above-mentioned second polymeric adhesive and nanofiber, there is cementability, avoid the formation of time bonding as film like.
2. the building materials thin film shield element of lamination nanofiber according to claim 1, it is characterised in that described nanofiber is set to Kynoar (PVDF) and has the fibre diameter of less than 1 μm.
3. the building materials thin film shield element of lamination nanofiber according to claim 1, it is characterized in that, described monofilament or multifilament are the polypropylene (PP) of 0.1～0.5mm diameter, and the gross porosity of the fabric being made up of monofilament or multifilament is sieve mesh 15～30.
4. the building materials of the lamination nanofiber manufacture device of thin film shield element, it is characterised in that:
Being provided with base material transport unit, this base material transport unit is used for transmitting the gross porosity that the fabric of monofilament or multifilament forms and the base material with intensity,
Being formed on the substrate and reinforce base material, this reinforcing base material is to be jetted to above-mentioned base material by threadiness first polymeric adhesive of diameter 10～100 μm, reinforces base material hole with the fiber of Aranea nido,
Using above-mentioned first polymeric adhesive to be formed, the reinforcing base material that fine mesh is reinforced is provided with bonding agent winding-up portion, this bonding agent winding-up portion is as the criterion with the gap not blocking the nanofiber lamination body of the macromolecular fibre in the gap of above-mentioned reinforcing base material and subsequent handling; jet into the second polymeric adhesive of 500nm to 10 μm of fibre diameter thinly
This second polymeric adhesive being blowed is jetted the nanofiber generated by the nanofiber generating unit of macromolecular fibre, above-mentioned reinforcing base material has breathability and light transmission after affixed nanofiber lamination body, it is possible to trap pollen particle.
5. the manufacture device of the building materials thin film shield element of lamination nanofiber according to claim 4, it is characterized in that, described nanofiber generating unit generates nanofiber as follows: use solvent to make spinning from spinning-nozzle after the macromolecular material with long molecules align carries out dissolving pressurization, in the way of surrounding the center discharge opening of this spinning-nozzle, it is provided with the ring-type high speed winds blow-off outlet coaxial with this center discharge opening, come from the air-flow of this high speed winds blow-off outlet to extend blowout on the direction that in the way of the macromolecular fibre in discharge opening dead astern, above-mentioned center, the macromolecular fibre of spinning gained intersects, it is provided with the extension airflow mechanism dispelled by the solvent in the macromolecular fibre of spinning gained in crossover range as removing and extend macromolecular fibre after gas.
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