CN106273838A - Plane formula door and window coloured air filters yarn - Google Patents

Plane formula door and window coloured air filters yarn Download PDF

Info

Publication number
CN106273838A
CN106273838A CN201610492191.7A CN201610492191A CN106273838A CN 106273838 A CN106273838 A CN 106273838A CN 201610492191 A CN201610492191 A CN 201610492191A CN 106273838 A CN106273838 A CN 106273838A
Authority
CN
China
Prior art keywords
air
fiber
web
coloured
material layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201610492191.7A
Other languages
Chinese (zh)
Other versions
CN106273838B (en
Inventor
孙武平
宋建勇
胡发伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hangzhou Jinbaihe Non-Woven Co Ltd
Original Assignee
Hangzhou Jinbaihe Non-Woven Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hangzhou Jinbaihe Non-Woven Co Ltd filed Critical Hangzhou Jinbaihe Non-Woven Co Ltd
Priority to CN201610492191.7A priority Critical patent/CN106273838B/en
Publication of CN106273838A publication Critical patent/CN106273838A/en
Application granted granted Critical
Publication of CN106273838B publication Critical patent/CN106273838B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00Layered 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
    • B32B5/02Layered 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/12Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/32Layered products comprising a layer of synthetic resin comprising polyolefins
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/36Layered products comprising a layer of synthetic resin comprising polyesters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/02Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by a sequence of laminating steps, e.g. by adding new layers at consecutive laminating stations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00Ancillary operations in connection with laminating processes
    • B32B38/16Drying; Softening; Cleaning
    • B32B38/164Drying
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00Layered 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
    • B32B5/02Layered 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
    • B32B5/08Layered 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/02Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising animal or vegetable substances, e.g. cork, bamboo, starch
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/04Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B9/045Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/54Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/541Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/54Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/542Adhesive fibres
    • D04H1/55Polyesters
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/58Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives
    • D04H1/64Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives the bonding agent being applied in wet state, e.g. chemical agents in dispersions or solutions
    • D04H1/645Impregnation followed by a solidification process
    • D04H1/65Impregnation followed by a solidification process using mixed or composite fibres
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/52Devices affording protection against insects, e.g. fly screens; Mesh windows for other purposes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00Layers arrangement
    • B32B2250/033 layers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00Layers arrangement
    • B32B2250/20All layers being fibrous or filamentary
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00Layers arrangement
    • B32B2250/40Symmetrical or sandwich layers, e.g. ABA, ABCBA, ABCCBA
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2260/00Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/02Composition of the impregnated, bonded or embedded layer
    • B32B2260/021Fibrous or filamentary layer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2260/00Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/04Impregnation, embedding, or binder material
    • B32B2260/046Synthetic resin
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02Synthetic macromolecular fibres
    • B32B2262/0253Polyolefin fibres
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02Synthetic macromolecular fibres
    • B32B2262/0276Polyester fibres
    • B32B2262/0284Polyethylene terephthalate [PET] or polybutylene terephthalate [PBT]
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/06Vegetal fibres
    • B32B2262/062Cellulose fibres, e.g. cotton
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/30Properties of the layers or laminate having particular thermal properties
    • B32B2307/304Insulating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/50Properties of the layers or laminate having particular mechanical properties
    • B32B2307/536Hardness
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/50Properties of the layers or laminate having particular mechanical properties
    • B32B2307/558Impact strength, toughness
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/52Devices affording protection against insects, e.g. fly screens; Mesh windows for other purposes
    • E06B2009/524Mesh details

Abstract

The invention discloses a kind of plane formula door and window coloured air and filter yarn, described air filtration yarn is to be composited by Planar Bone frame material layer and efficient low-resistance air filting material layer hot pressing, there is sandwich structure, two-layer is Planar Bone frame material layer up and down, and centre is efficient low-resistance air filting material layer.Intensity of the present invention is high, stiffness is high, air drag is little, air filter efficiency is high, the fine particles such as PM2.5 efficiently can be intercepted, the most do not affect air circulation, there are the several functions such as energy-conservation, its anti-noise, heat insulation, purification, mosquito proof, alternative traditional screen window, screen door etc., indoor will be introduced after the air filtration of outdoor pollution, keep room air circulation.

Description

Plane formula door and window coloured air filters yarn
Technical field
The present invention relates to door and window yarn production technical field, filter yarn particularly to a kind of plane formula door and window coloured air.
Background technology
Along with our quick Development of China's Urbanization, industry and expanding economy, atmospheric pollution is also on the rise (particularly The fine particles such as PM2.5 pollute), since 2013, mainly polluted, by PM2.5, the haze weather caused and attacked me State most area of east, the important city such as Beijing, Shanghai deeply hurts, and people's health is severely impacted.Outdoor tight The haze weather of weight makes ordinary people cannot window ventilation, and indoor stale air can make the person uncomfortable, for a long time can The health of people is caused and has a strong impact on.
Existing screen window, screen door, yarn is divided by material cotton cloth, woven dacron etc., is generally of fine and closely woven mesh, can stop The entrance of the insecticide such as mosquito, fly.Conventional yarn does not affect air circulation, but owing to mesh is relatively big, it cannot be by PM2.5 etc. Outside fine particle is isolated in, in today that environment goes from bad to worse, haze weather still can only rely on to close the doors and windows and protect, it is impossible to Windowing ventilation, if to do yarn by the fine particles such as PM2.5 being isolated in outer similar mask material, air drag is excessive, It is unable to reach ventilation effect.
Summary of the invention
It is an object of the invention to provide a kind of plane formula door and window coloured air and filter yarn, for nonwoven cloth material, be used for Screen window, the making of screen door, have high intensity, high stiffness, and air drag is little, and air filter efficiency is high, can be to fine graineds such as PM2.5 Thing efficiently intercepts, and does not the most affect air circulation, has the several functions such as energy-conservation, its anti-noise, heat insulation, purification, mosquito proof, alternative Traditional screen window, screen door, will introduce indoor, keep room air circulation after the air filtration of outdoor pollution.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of plane formula door and window air filtration yarn, described air filtration yarn is by Planar Bone frame material layer and efficient low-resistance air Filtering material layer is composited, and has sandwich structure, and upper and lower two-layer is Planar Bone frame material layer, and centre is efficient low-resistance air Filtering material layer.
Traditional window screening of monolayer net checkerwork cell, door yarn are reformed by the present invention, develop novel compound first Air filtration yarn, in today that environment goes from bad to worse, brings airfiltering concept traditional window screening, door yarn product into, gives Traditional window screening, the function of the filter small particles pollutant that door yarn is new.Two-layer is the Planar Bone of inventor's specific development up and down Frame material layer, carries out coarse filtration, coordinates the efficient low-resistance air filting material layer essence in intermediate layer to filter, so combines, and air hinders Power is little, and air filter efficiency is high, can efficiently intercept the fine particles such as PM2.5, dust, pollen, does not the most affect air circulation.Tool Having the several functions such as energy-conservation, its anti-noise, heat insulation, purification, mosquito proof, alternative traditional screen window, screen door, by the sky of outdoor pollution Gas introduces indoor after filtering, and keeps room air circulation.Present configuration is simple, and production cost is low.Planar Bone frame material layer is strong Degree height, plays skeleton function.Planar Bone frame material layer has high intensity, high stiffness, a high-flexibility, the feature of high Air permenbility, The filter efficiency of dust, dust, airborne dust, Semen Salicis babylonicae cum pilus, pollen is more than 50%, mosquito can effectively be stopped, it is easy to clean.
As preferably, described Planar Bone frame material layer thickness is 0.2-0.4mm, efficient low-resistance air filting material layer thickness For 0.1-0.3mm.
As preferably, the filter efficiency of described efficient low-resistance air filting material layer>95%, air drag<20Pa, described The making material model of efficient low-resistance air filting material layer is BMF-Merv12 or BMF-Merv14.BMF-Merv12、BMF- Merv14 is 3M companies market product.
As preferably, the material of described Planar Bone frame material layer by mass percentage, is made by the mixing of following raw material components Become: 15D terylene short fiber 10-20%, 7D terylene short fiber 40-50%, 4D low fusing point polyester staple fiber 30-50%;Or described plane skeleton material The material of the bed of material is made up of main material fiber and coloured additive fiber, and described coloured additive fiber is coloured polyester staple Or colored polypropylene chopped fiber, the 1-3% that consumption is main material gross weight of coloured additive fiber, by mass percentage, main former Material fiber is made up of following components mixing: 15D terylene short fiber 10-20%, 7D terylene short fiber 40-50%, 4D low fusing point polyester staple fiber 30-50%.The material of Planar Bone frame material layer of the present invention uses the terylene short fiber (15D, 7D and 4D) of particular fineness combine and control The proportioning of each fineness fiber, can guarantee that product has intensity, breathability, light transmittance well.Add coloured additive fiber Formula, energy rich colors, form coloured plane formula curtain for door or window air filtration yarn, product has the outward appearance intending wallpaper, abundant Product pattern.
4D low fusing point polyester staple fiber, outer layer fusing point is low, is adding man-hour, and outer layer melts, and other is non-fusible, plays binding agent Effect, can by other fiber strong bonded together.
The conventional specification of the raw material terylene short fiber of the present invention is selected from 32mm, 48mm, 51mm, 64mm, 76mm, 102mm.
As preferably, 15D terylene short fiber fusing point is 256 DEG C;7D terylene short fiber fusing point is 256 DEG C;4D low melt point polyester fiber is short Fibre has skin-core structure, cortex and sandwich layer and respectively accounts for 50%, and cortex fusing point is 110-180 DEG C, and sandwich layer fusing point is 256 DEG C.5D terylene is short Fine, 7D terylene short fiber is conventional short fine fusing point 256 DEG C.
As preferably, the fineness of coloured additive fiber is 10-20D, a length of 38-102mm.
As preferably, the preparation method of described Planar Bone frame material layer comprises the steps:
(1) environmental Kuznets Curves: workshop humid control is at 40-70%;Humidity is not in the range of 40-70%, then product cannot produce.
(2) raw material prepares: raw material is pre-placed in the workshop of humidity 40-70% 10-15h;Raw material is pre-placed A period of time, to adapt to production environment, it is ensured that product quality.
(3) shredding mixing: by proportioning, by thick for feed components shredding to degree of opening 10-20%, then carried by blower fan It is sufficiently mixed uniformly in blending bunker, carries out essence shredding to degree of opening 20-40% subsequently into essence start;
(4) carding: the raw material after step (3) shredding enters the hopper of carding machine, carries out quantitatively feeding cotton to carding machine, it is thus achieved that Grammes per square metre 20-60g/m2Web, the in a jumble ratio of web is for 3-5:1;In a jumble than i.e. longitudinal tensile strength and transverse tensile strength Ratio, controls mixed and disorderly ratio, and the intensity of product, breathability etc. are good.
(5) hot rolling pre-setting: the web roll pre-setting by hot-rolling mill, pre-setting temperature controls at 135-165 DEG C, pressure Power controls at 12-16bar;The roller surface of pre-setting is smooth, and temperature and the Stress control of pre-setting are the most crucial, by predetermined Type can make web have a small amount of tension force, and fibre structure is unaffected simultaneously.
(6) drying and shaping: web enters drying and shaping in drying tunnel, and drying tunnel temperature controls at 160-170 DEG C, and web is dried to contain Water rate is within 3%;The temperature of drying and shaping is the most crucial, and the temperature of drying and shaping can make 4D low fusing point polyester staple fiber outer layer Fusing bonding, internal layer and other fiber are unaffected so that product has higher intensity and stiffness.On the other hand, in leaching In the presence of glue step step, can make glue (emulsion) that chemical reaction the most fully occurs so that it is and bond between fiber, improve The intensity of product and stiffness.
(7) thickness correction: the thickness of web is adapted to 0.2-0.4mm, obtains product after the assay was approved, checks qualified product Product transverse tensile strength is more than 10N/5cm, and longitudinal tensile strength is more than 30N/5cm;Light transmittance is more than 50%, and Air permenbility exists 4000-8000L/m2s。
The present invention develops employing hot rolling technology first and produces Planar Bone frame material layer, have energy-conservation, its anti-noise, heat insulation, The several functions such as purification, mosquito proof, will introduce indoor, keep room air circulation after the air filtration of outdoor pollution.
As preferably, also include between step (5) and step (6) that impregnation step, impregnation step are: by web impregnation, make Obtain web spread and be calculated as 3-10g/m with dry glue amount2.Impregnation can improve intensity and the stiffness of product, reduces air drag.
As preferably, the collagen material of described impregnation is polypropylene ester emulsion, Phenolic resin emulsion, styrene-butadiene emulsion or poly-acetic acid Vinyl acetate emulsion.Polyacrylate dispersion, Phenolic resin emulsion, styrene-butadiene emulsion, polyvinyl acetate emulsion are commercially available prod.
As preferably, the walking speed of step (5) and step (6) web is 10-30m/min.
The invention has the beneficial effects as follows: intensity is high, stiffness is high, and air drag is little, and air filter efficiency is high, can be right The fine particles such as PM2.5 efficiently intercept, and the most do not affect air circulation, have energy-conservation, its anti-noise, heat insulation, purification, mosquito proof etc. many Plant function, alternative traditional screen window, screen door etc., indoor will be introduced after the air filtration of outdoor pollution, and keep Interior Space air-flow Logical.
Accompanying drawing explanation
Fig. 1 is a kind of cross sectional representation of the present invention.
In figure: 1, Planar Bone frame material layer, 2, efficient low-resistance air filting material layer.
Detailed description of the invention
Below by specific embodiment, and combine accompanying drawing, technical scheme is described in further detail.
In the present invention, if not refering in particular to, the raw material used and equipment etc. are all commercially available or commonly used in the art. Method in following embodiment, if no special instructions, is the conventional method of this area.
The length specification of the raw material terylene short fiber of Planar Bone frame material layer material be selected from 32mm, 48mm, 51mm, 64mm, 76mm, 102mm etc..
15D terylene short fiber, 7D terylene short fiber, 4D low fusing point polyester staple fiber are purchased from Huvis (Huvis) company.
Coloured polyester staple (commercially available, Jiangyin association reaches extraordinary chemical fibre company limited), colored polypropylene chopped fiber (commercially available, safe State city Hai Lun chemical fibre company limited) the optional gold of color, silver color, redness, blueness etc..
Embodiment 1:
As it is shown in figure 1, a kind of plane formula door and window air filtration yarn, by Planar Bone frame material layer 1, efficient low-resistance air filtration material The bed of material 2,1 three layers of Planar Bone frame material layer are composited, and have sandwich structure, and upper and lower two-layer is Planar Bone frame material layer, in Between be efficient low-resistance air filting material layer (purchased from 3M company, model is BMF-Merv12), efficient low-resistance air filting material Layer thickness is 0.3mm.
Planar Bone frame material layer, by mass percentage, is mixed by following raw material components: 15D terylene short fiber 10%, 7D terylene short fiber 40%, 4D low fusing point polyester staple fiber 50%.
15D terylene short fiber (32mm) fusing point is 256 DEG C;7D terylene short fiber (32mm) fusing point is 256 DEG C;4D low melt point polyester fiber Short fibre (51mm) has skin-core structure, cortex and sandwich layer and respectively accounts for 50%, and cortex fusing point is 110 DEG C, and sandwich layer fusing point is 256 DEG C.
Planar Bone frame material layer preparation method comprises the steps:
(1) environmental Kuznets Curves: workshop humid control is 70%.
(2) raw material prepares: in the workshop of humidity 70%, raw material is pre-placed 10h.
(3) shredding mixing: by proportioning, by thick for feed components shredding to degree of opening 10%, then be transported to mix by blower fan It is sufficiently mixed uniformly in feed bin, carries out essence shredding to degree of opening 20% subsequently into essence start.
(4) carding: the raw material after step (3) shredding enters the hopper of carding machine, carries out quantitatively feeding cotton to carding machine, Obtain grammes per square metre 20g/m2Web, the in a jumble ratio of web is for 3:1.
(5) hot rolling pre-setting: the web roll pre-setting by hot-rolling mill, pre-setting temperature controls at 135 DEG C, pressure control System is at 12bar.
(6) drying and shaping: web enters drying and shaping in drying tunnel, and drying tunnel temperature controls at 160 DEG C, and web is dried to moisture content Within 3%.
(7) thickness correction: the thickness of web is adapted to 0.2mm, obtains product after the assay was approved.
The walking speed of whole production line web is 10m/min.
Embodiment 2:
A kind of plane formula door and window air filtration yarn, by Planar Bone frame material layer 1, efficient low-resistance air filting material layer 2, plane 1 three layers of framework material layer is composited, and has sandwich structure, and upper and lower two-layer is Planar Bone frame material layer, and centre is the lowest Resistance air filting material layer (purchased from 3M company, model is BMF-Merv14), efficient low-resistance air filting material layer thickness is 0.1mm。
Planar Bone frame material layer by mass percentage, is mixed by following raw material components: 15D terylene short fiber 20%, 7D Terylene short fiber 50%, 4D low fusing point polyester staple fiber 30%.
15D terylene short fiber (64mm) fusing point is 256 DEG C;7D terylene short fiber (64mm) fusing point is 256 DEG C;4D low melt point polyester fiber Short fibre (51mm) has skin-core structure, cortex and sandwich layer and respectively accounts for 50%, and cortex fusing point is 180 DEG C, and sandwich layer fusing point is 256 DEG C.
Planar Bone frame material layer preparation method comprises the steps:
(1) environmental Kuznets Curves: workshop humid control is 40%.
(2) raw material prepares: in the workshop of humidity 40%, raw material is pre-placed 15h.
(3) shredding mixing: by proportioning, by thick for feed components shredding to degree of opening 20%, then be transported to mix by blower fan It is sufficiently mixed uniformly in feed bin, carries out essence shredding to degree of opening 40% subsequently into essence start.
(4) carding: the raw material after step (3) shredding enters the hopper of carding machine, carries out quantitatively feeding cotton to carding machine, Obtain grammes per square metre 60g/m2Web, the in a jumble ratio of web is for 5:1.
(5) hot rolling pre-setting: the web roll pre-setting by hot-rolling mill, pre-setting temperature controls at 165 DEG C, pressure control System is at 16bar.
(6) drying and shaping: web enters drying and shaping in drying tunnel, and drying tunnel temperature controls at 170 DEG C, and web is dried to moisture content Within 3%.
(7) thickness correction: the thickness of web is adapted to 0.4mm, obtains product after the assay was approved.
The walking speed of whole production line web is 30m/min.
Embodiment 3:
A kind of plane formula door and window air filtration yarn, by Planar Bone frame material layer 1, efficient low-resistance air filting material layer 2, plane 1 three layers of framework material layer is composited, and has sandwich structure, and upper and lower two-layer is Planar Bone frame material layer, and centre is the lowest Resistance air filting material layer (purchased from 3M company, model is BMF-Merv14), efficient low-resistance air filting material layer thickness is 0.2mm。
Planar Bone frame material layer by mass percentage, is mixed by following raw material components: 15D terylene short fiber 15%, 7D Terylene short fiber 45%, 4D low fusing point polyester staple fiber 40%.
15D terylene short fiber (51mm) fusing point is 256 DEG C;7D terylene short fiber (51mm) fusing point is 256 DEG C;4D low melt point polyester fiber Short fibre (51mm) has skin-core structure, cortex and sandwich layer and respectively accounts for 50%, and cortex fusing point is 180 DEG C, and sandwich layer fusing point is 256 DEG C.
Planar Bone frame material layer preparation method comprises the steps:
(1) environmental Kuznets Curves: workshop humid control is 60%.
(2) raw material prepares: in the workshop of humidity 60%, raw material is pre-placed 12h.
(3) shredding mixing: by proportioning, by thick for feed components shredding to degree of opening 15%, then be transported to mix by blower fan It is sufficiently mixed uniformly in feed bin, carries out essence shredding to degree of opening 30% subsequently into essence start.
(4) carding: the raw material after step (3) shredding enters the hopper of carding machine, carries out quantitatively feeding cotton to carding machine, Obtain grammes per square metre 40g/m2Web, the in a jumble ratio of web is for 4:1.
(5) hot rolling pre-setting: the web roll pre-setting by hot-rolling mill, pre-setting temperature controls at 150 DEG C, pressure control System is at 15bar.
(6) drying and shaping: web enters drying and shaping in drying tunnel, and drying tunnel temperature controls at 165 DEG C, and web is dried to moisture content Within 3%.
(7) thickness correction: the thickness of web is adapted to 0.3mm, obtains product after the assay was approved.
The walking speed of whole production line web is 20m/min.
Embodiment 4:
The present embodiment difference from Example 3 is between step (5) and step (6) also to include impregnation step, particularly as follows:
(5) hot rolling pre-setting: the web roll pre-setting by hot-rolling mill, pre-setting temperature controls at 150 DEG C, and Stress control exists 15bar。
(6) impregnation: by web impregnation so that web spread is calculated as 3g/m with dry glue amount2, the collagen material of impregnation is poly-third Olefin(e) acid ester emulsion (commercially available).
(7) drying and shaping: web enters drying and shaping in drying tunnel, and drying tunnel temperature controls at 165 DEG C, and web is dried to moisture content Within 3%.
(8) thickness correction: the thickness of web is adapted to 0.3mm, obtains product after the assay was approved.
The other the same as in Example 3.
Embodiment 5:
The present embodiment difference from Example 3 is between step (5) and step (6) also to include impregnation step, particularly as follows:
(5) hot rolling pre-setting: the web roll pre-setting by hot-rolling mill, pre-setting temperature controls at 150 DEG C, and Stress control exists 15bar。
(6) impregnation: by web impregnation so that web spread is calculated as 10g/m with dry glue amount2, the collagen material of impregnation is fourth Benzene emulsion (commercially available).
(7) drying and shaping: web enters drying and shaping in drying tunnel, and drying tunnel temperature controls at 165 DEG C, and web is dried to moisture content Within 3%.
(8) thickness correction: the thickness of web is adapted to 0.3mm, obtains product after the assay was approved.
The other the same as in Example 3.
Embodiment 6:
The present embodiment difference from Example 1 is Planar Bone frame material layer proportioning raw materials:
Planar Bone frame material layer raw material is made up of main material fiber and coloured additive fiber, and described coloured additive fiber is for having Color polyester staple fiber (fineness is 10D, a length of 38mm), consumption is main material gross weight the 3% of coloured additive fiber;Press Mass percent, main material fiber is mixed by following raw material components: 15D terylene short fiber 10%, 7D terylene short fiber 40%, 4D Low fusing point polyester staple fiber 50%.
15D terylene short fiber (32mm) fusing point is 256 DEG C;7D terylene short fiber (32mm) fusing point is 256 DEG C;4D low melt point polyester fiber Short fibre (51mm) has skin-core structure, cortex and sandwich layer and respectively accounts for 50%, and cortex fusing point is 110 DEG C, and sandwich layer fusing point is 256 DEG C.
The other the same as in Example 1.
Embodiment 7:
The present embodiment difference from Example 2 is Planar Bone frame material layer proportioning raw materials:
Planar Bone frame material layer raw material is made up of main material fiber and coloured additive fiber, and described coloured additive fiber is for having Color polyester staple fiber (fineness is 20D, a length of 102mm), consumption is main material gross weight the 1% of coloured additive fiber;Press Mass percent, main material fiber is mixed by following raw material components: 15D terylene short fiber 20%, 7D terylene short fiber 50%, 4D Low fusing point polyester staple fiber 30%.
15D terylene short fiber (64mm) fusing point is 256 DEG C;7D terylene short fiber (64mm) fusing point is 256 DEG C;4D low melt point polyester fiber Short fibre (51mm) has skin-core structure, cortex and sandwich layer and respectively accounts for 50%, and cortex fusing point is 180 DEG C, and sandwich layer fusing point is 256 DEG C.
The other the same as in Example 2.
Embodiment 8:
The present embodiment difference from Example 3 is Planar Bone frame material layer proportioning raw materials:
Planar Bone frame material layer raw material is made up of main material fiber and coloured additive fiber, and described coloured additive fiber is for having Color polypropylene short fiber (fineness is 15D, a length of 64mm), the 1-3% that consumption is main material gross weight of coloured additive fiber; By mass percentage, main material fiber is mixed by following raw material components: 15D terylene short fiber 15%, 7D terylene short fiber 45%, 4D low fusing point polyester staple fiber 40%.
15D terylene short fiber (51mm) fusing point is 256 DEG C;7D terylene short fiber (51mm) fusing point is 256 DEG C;4D low melt point polyester fiber Short fibre (51mm) has skin-core structure, cortex and sandwich layer and respectively accounts for 50%, and cortex fusing point is 180 DEG C, and sandwich layer fusing point is 256 DEG C.
The other the same as in Example 3.
After testing, product transverse tensile strength is more than 20N/5cm, and longitudinal tensile strength is more than 70N/5cm;Light transmittance exists 40-50%, Air permenbility is at 4000-8000L/m2s.Air drag is less than 25Pa, and filter efficiency is more than 95%(test condition: TSI- 8130 detectors, the NaCl granule of mean diameter 0.3 micron, wind speed 5.3cm/s).
Embodiment described above is the one preferably scheme of the present invention, not makees the present invention any pro forma Limit, on the premise of without departing from the technical scheme described in claim, also have other variant and remodeling.

Claims (10)

1. a plane formula door and window coloured air filters yarn, it is characterised in that described air filtration yarn is by plane skeleton material The bed of material and efficient low-resistance air filting material layer are composited, and have sandwich structure, and upper and lower two-layer is Planar Bone frame material layer, Centre is efficient low-resistance air filting material layer.
Plane formula door and window coloured air the most according to claim 1 filters yarn, it is characterised in that: described plane skeleton material Thickness of feed layer is 0.2-0.4mm, and efficient low-resistance air filting material layer thickness is 0.1-0.3mm.
Plane formula door and window coloured air the most according to claim 1 and 2 filters yarn, it is characterised in that: described the lowest The filter efficiency of resistance air filting material layer>95%, air drag<20Pa, the making of described efficient low-resistance air filting material layer Material model is BMF-Merv12 or BMF-Merv14.
Plane formula door and window coloured air the most according to claim 1 filters yarn, it is characterised in that: described plane skeleton material The material of the bed of material is made up of main material fiber and coloured additive fiber, and described coloured additive fiber is coloured polyester staple Or colored polypropylene chopped fiber, the 1-3% that consumption is main material gross weight of coloured additive fiber, by mass percentage, main former Material fiber is made up of following components mixing: 15D terylene short fiber 10-20%, 7D terylene short fiber 40-50%, 4D low fusing point polyester staple fiber 30-50%。
Plane formula door and window coloured air the most according to claim 4 filters yarn, it is characterised in that: 15D terylene short fiber melts Point is 256 DEG C;7D terylene short fiber fusing point is 256 DEG C;4D low fusing point polyester staple fiber has skin-core structure, cortex and sandwich layer and respectively accounts for 50%, cortex fusing point is 110-180 DEG C, and sandwich layer fusing point is 256 DEG C.
Plane formula door and window coloured air the most according to claim 4 filters yarn, it is characterised in that: coloured additive fiber Fineness be 10-20D, a length of 38-102mm.
Plane formula door and window coloured air the most according to claim 4 filters yarn, it is characterised in that: described plane skeleton material The preparation method of the bed of material comprises the steps:
(1) environmental Kuznets Curves: workshop humid control is at 40-70%;
(2) raw material prepares: raw material is pre-placed in the workshop of humidity 40-70% 10-15h;
(3) shredding mixing: by proportioning, by thick for feed components shredding to degree of opening 10-20%, then be transported to mix by blower fan It is sufficiently mixed uniformly in feed bin, carries out essence shredding to degree of opening 20-40% subsequently into essence start;
(4) carding: the raw material after step (3) shredding enters the hopper of carding machine, carries out quantitatively feeding cotton to carding machine, it is thus achieved that Grammes per square metre 20-60g/m2Web, the in a jumble ratio of web is for 3-5:1;
(5) hot rolling pre-setting: the web roll pre-setting by hot-rolling mill, pre-setting temperature controls at 135-165 DEG C, pressure control System is at 12-16bar;
(6) drying and shaping: web enters drying and shaping in drying tunnel, and drying tunnel temperature controls at 160-170 DEG C, and web is dried to moisture content Within 3%;
(7) thickness correction: the thickness of web is adapted to 0.2-0.4mm, obtains product after the assay was approved.
Plane formula door and window coloured air the most according to claim 7 filters yarn, it is characterised in that: step (5) and step (6) also including impregnation step between, impregnation step is: by web impregnation so that web spread is calculated as 3-10g/ with dry glue amount m2
Plane formula door and window coloured air the most according to claim 8 filters yarn, it is characterised in that: the collagen of described impregnation Material is polypropylene ester emulsion, Phenolic resin emulsion, styrene-butadiene emulsion or polyvinyl acetate emulsion.
Plane formula door and window coloured air the most according to claim 7 filters yarn, it is characterised in that: step (5) and step (6) walking speed of web is 10-30m/min.
CN201610492191.7A 2015-06-25 2015-06-25 Plane formula door and window filters yarn with coloured air Active CN106273838B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610492191.7A CN106273838B (en) 2015-06-25 2015-06-25 Plane formula door and window filters yarn with coloured air

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610492191.7A CN106273838B (en) 2015-06-25 2015-06-25 Plane formula door and window filters yarn with coloured air
CN201510356281.9A CN105134056B (en) 2015-06-25 2015-06-25 Plane formula door and window air filtration yarn

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201510356281.9A Division CN105134056B (en) 2015-06-25 2015-06-25 Plane formula door and window air filtration yarn

Publications (2)

Publication Number Publication Date
CN106273838A true CN106273838A (en) 2017-01-04
CN106273838B CN106273838B (en) 2018-02-16

Family

ID=54719595

Family Applications (2)

Application Number Title Priority Date Filing Date
CN201610492191.7A Active CN106273838B (en) 2015-06-25 2015-06-25 Plane formula door and window filters yarn with coloured air
CN201510356281.9A Active CN105134056B (en) 2015-06-25 2015-06-25 Plane formula door and window air filtration yarn

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN201510356281.9A Active CN105134056B (en) 2015-06-25 2015-06-25 Plane formula door and window air filtration yarn

Country Status (1)

Country Link
CN (2) CN106273838B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109334198A (en) * 2018-11-27 2019-02-15 南通得力净化器材厂有限公司 A kind of humidification strainer production automatic veneering equipment of strainer multilayer

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203614011U (en) * 2013-12-06 2014-05-28 山东大学 Laminated window screen cloth capable of defending PM2.5
CN203971609U (en) * 2014-03-05 2014-12-03 江苏创云环保科技有限公司 A kind of bag filter

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5672006B2 (en) * 2009-09-16 2015-02-18 東レ株式会社 Binder composition, reinforced fiber substrate, preform, fiber reinforced composite material and method for producing the same
CN104295219A (en) * 2014-10-13 2015-01-21 安徽省利特环保技术有限公司 Window screening capable of releasing anion and filtering particle matter (PM) 2.5 particles

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203614011U (en) * 2013-12-06 2014-05-28 山东大学 Laminated window screen cloth capable of defending PM2.5
CN203971609U (en) * 2014-03-05 2014-12-03 江苏创云环保科技有限公司 A kind of bag filter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109334198A (en) * 2018-11-27 2019-02-15 南通得力净化器材厂有限公司 A kind of humidification strainer production automatic veneering equipment of strainer multilayer

Also Published As

Publication number Publication date
CN105134056A (en) 2015-12-09
CN105134056B (en) 2016-10-05
CN106273838B (en) 2018-02-16

Similar Documents

Publication Publication Date Title
CN103657254A (en) Filter material and production method and application thereof
CN105134055B (en) Planar type air filtering screen window/door
CN105041176B (en) Folded form air filtration screen window/door
CN104906970A (en) Light-transmitting, breathable and static electricity repellent PM2.5 air filter membrane and preparation method thereof
CN105041177B (en) A kind of for door and window airfiltering bubble point formula framework material
CN102343185A (en) Non-glue cotton nonwoven filtering material and its preparation method
CN105178833B (en) Bubble point formula air filtration screen window/door
CN105089481B (en) A kind of for door and window airfiltering plane formula framework material
CN106676751A (en) Needle-punched nonwoven fabric electrostatic fiber filter screen and manufacturing method thereof
CN105134056B (en) Plane formula door and window air filtration yarn
CN104178925A (en) Thermally-bonded nonwoven fabric and production method and use thereof
CN108893866A (en) Non-toxic and tasteless, the environmentally friendly composite cotton fabric of damping of one kind and its preparation process
CN207420388U (en) Natural fresh air window air purifier
CN105148610B (en) Bubble-point type air filtering gauze for doors and windows
CN103866485A (en) Heat bonding non-woven fabric and production method and application thereof
CN105177854B (en) Cellular door and window air filtration yarn
CN107090662A (en) A kind of electrostatic fibre Nonwovens filter medium production technology
CA2395467A1 (en) Environmentally friendly isolation material and method for producing the same
CN107938168A (en) Acupuncture antibiotic filter screen based on electrostatic fibre and preparation method thereof
CN109109422A (en) A kind of durable type haze gauze and its process units and production method
CN102691170B (en) High tar reduction diacetate fiber non-woven fabric filter material for cigarettes and preparation method for filter material
CN108532804A (en) A kind of laminated glass curtain wall
CN106884264B (en) Outdoor air cleaning equipment electrostatic fibre integrated filter element and production technology
CN106996252B (en) A kind of ecological door
CN103741324A (en) Multifunctional curtain fabric

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: Colored air filter yarn for flat doors and windows

Effective date of registration: 20230505

Granted publication date: 20180216

Pledgee: Industrial and Commercial Bank of China Limited Hangzhou Fuyang sub branch

Pledgor: HANGZHOU GOLDEN LILY NONWOVEN CLOTH Co.,Ltd.

Registration number: Y2023980039770

PE01 Entry into force of the registration of the contract for pledge of patent right