CN102517794A - Method for preparing air-permeable waterproof polyurethane nanofiber membrane - Google Patents
Method for preparing air-permeable waterproof polyurethane nanofiber membrane Download PDFInfo
- Publication number
- CN102517794A CN102517794A CN2011103981602A CN201110398160A CN102517794A CN 102517794 A CN102517794 A CN 102517794A CN 2011103981602 A CN2011103981602 A CN 2011103981602A CN 201110398160 A CN201110398160 A CN 201110398160A CN 102517794 A CN102517794 A CN 102517794A
- Authority
- CN
- China
- Prior art keywords
- polyurethane
- preparation
- nanofiber film
- permeable watertight
- spinning
- 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.)
- Pending
Links
Landscapes
- Artificial Filaments (AREA)
- Nonwoven Fabrics (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The invention provides a method for preparing an air-permeable waterproof polyurethane nanofiber membrane, which is characterized by comprises the following steps of: preparing a polyurethane solution with 8-15% polyurethane mass concentration, electrostatically spinning the prepared polyurethane solution by using an electrostatic spinning device with a plurality of spinning nozzles to form the breathable waterproof polyurethane nanofiber membrane with 20 nm to 2 mum fiber diamter and 0,02 membrane thickness. The polyurethane nanofiber membrane prepared in the invention not only has excellent air permeability but also has good waterproof performance.
Description
Technical field
The present invention relates to a kind of preparation method of permeable watertight polyurethane nanofiber film, belong to technical field of nano material.
Background technology
Owing to polyurethane has the coating that unique pliability, ABRASION RESISTANCE, fungus resistance and solvent resistance are widely used in medium-to-high grade fabric.In recent years; Along with the exploitation of microporous polyurethane coated fabric and waterborne polyurethane film fabric, adopt that solvent/non-solvent technology, dry coating are technological, the organic drop technology of higher boiling and melt extrude polyurethane film that method such as moulding prepares and have a wide range of applications at military, high-grade clothing and medical textiles with waterproof and breathable performance.But in actual production process, said method has that process is comparatively loaded down with trivial details, permeability is low (usually at 0.05cm
3/ cm
2/ s), shortcoming such as production cost is higher, environmental pollution is serious, and need further to improve.
Electrostatic spinning technique is just developing rapidly and is receiving the extensive concern of academia and industrial quarters as a kind of simple but effective method for preparing diameter Distribution fiber in the hundreds of nanometer arrives several micrometer ranges.Up to now; Polymer fiber film through fusion and the preparation of solution electrostatic spinning technique has hundreds of, and is widely used in fields such as protective materials, high-grade clothing, catalyst carrier, bioengineered tissue, DSSC, hypersensitivity biology sensor owing to its unique advantage.
Summary of the invention
The purpose of this invention is to provide a kind of high ventilation performance that both had, have the preparation method of the polyurethane nanofiber film of excellent water resistance again.
In order to achieve the above object; The invention provides a kind of preparation method of permeable watertight polyurethane nanofiber film; It is characterized in that; Comprise: preparation polyurethane mass concentration is 8% ~ 15% polyurethane solutions, adopts the electrostatic spinning apparatus with a plurality of spinning heads to carry out electrostatic spinning the polyurethane solutions of gained, and the formation fibre diameter is that 20nm ~ 2 μ m, thickness are the permeable watertight polyurethane nanofiber film of 0.02 mm.
Preferably, the solvent of described polyurethane solutions is N, dinethylformamide, N; The N-dimethylacetylamide, oxolane, N-Methyl pyrrolidone, carrene; Dichloroethanes, chloroform, monochloro methane, a kind of or mixture more than two kinds in benzene and the toluene.
Preferably, the spinning head quantity of described electrostatic spinning apparatus is 5 ~ 10, solution the speed on each spinning head of being input to be the 5-12 milliliter/hour.
Preferably, used voltage is 15-25 kV during described electrostatic spinning.
Preferably, environment temperature is 15-35 in the described electrostatic spinning process
oC.
Preferably, envionmental humidity is 20-50% in the described electrostatic spinning process.
Preferably, the vertical interval (being the fiber receiving range) between described spinning head and the reception material is 5-15 cm.
Preferably, described reception material is tinfoil, copper mesh, fabric or nonwoven fabric.
Advantage of the present invention is following:
(1) the polyurethane nanofiber film for preparing of the present invention; Both had excellent permeability; Has favorable waterproof property again; Overcome existing coating deposition technology and be difficult to prepare and both had gas permeability, had the shortcoming of water proofing property membrane material again, can be adaptable across military, high-grade clothing and fields such as medical textiles, wound auxiliary material.
(2) permeability of the permeable watertight performance polyurethane nanofiber film for preparing of the present invention is at 0.4 ~ 0.6 cm
3/ cm
2Between/the s, simultaneously, water resistance is at 30 ~ 36 cmH
2Between the O, and common fabric does not almost have water resistance.
(3) the preparation permeable watertight polyurethane nanofiber film that the present invention can be more a large amount of.With 10 spinning heads is example, carries out electrostatic spinning with the solution input speed of 12 mL/h again, and the productive rate of polyurethane nanofiber film can reach 15 g/m
2H compares with the single nozzle electrospinning of tradition, and tens times raising is arranged.
The specific embodiment
Specify the present invention below in conjunction with embodiment.
Embodiment 1
In room temperature 23
oUnder the C; 4.8 g polyurethane are joined in the airtight vessel of the N-N-dimethylacetylamide that fills 55.2 g, the rotating speed with 50rpm on magnetic stirrer stirred 12 hours, dissolved fully until polyurethane; Solution is colourless transparent liquid, obtains the polyurethane solutions that mass fraction is 8 %.
In room temperature 15
oC, relative humidity is under 20% the condition, to adopt 5 spinning heads to carry out spinning; It is 5 mL/h that every spinning head is carried polyurethane solutions speed, simultaneously 5 spinning heads is connected the HV generator of 15 kV, receives fiber with aluminium foil; The fiber receiving range is 5 cm; Promptly obtain having the polyurethane nanofiber film of permeable watertight performance, the fiber thickness reaches 0.02 mm, and productive rate reaches 3 g/m
2H, the permeability index reaches 0.42 cm
3/ cm
2S.Under same concentration conditions, the polyurethane film of existing coating deposition method preparation, permeability is 0.051 cm
3/ cm
2S.Simultaneously, the water resistance of the polyurethane fiber film of present embodiment gained is 30 cmH
2O.
Embodiment 2
In room temperature 23
oUnder the C; 6 g polyurethane are joined in the airtight vessel of the N-N-dimethyl formamide that fills 54 g, on magnetic stirrer,, dissolve fully until polyurethane with the rotating speed high degree of agitation of 100rpm 12 hours; Solution is colourless transparent liquid, obtains the polyurethane solutions that mass fraction is 10 %.
In room temperature 25
oC, relative humidity is under 20% the condition, to adopt 5 spinning heads to carry out spinning; It is 5 mL/h that every spinning head is carried polyurethane solutions speed,, simultaneously 5 spinning heads are connected the HV generator of 20 kV; Receive fiber with copper mesh, the fiber receiving range is 15 cm, promptly obtains having the polyurethane nanofiber film of permeable watertight performance; The fiber thickness reaches 0.02 mm, and productive rate reaches 4 g/m
2H, the permeability index reaches 0.57 cm
3/ cm
2S.Under same concentration conditions, the polyurethane film of existing coating deposition method preparation, permeability is 0.048 cm
3/ cm
2S.Simultaneously, the water resistance of the polyurethane fiber film of present embodiment gained is brought up to 36.5 cmH
2O.
Embodiment 3
In room temperature 23
oUnder the C; 9.6 g polyurethane are joined in the airtight vessel of the oxolane that fills 86.4 g, on magnetic stirrer,, dissolve fully until polyurethane with the rotating speed high degree of agitation of 100rpm 12 hours; Solution is colourless transparent liquid, obtains the polyurethane solutions that mass fraction is 10 %.
In room temperature 35
oC, relative humidity is under 30% the condition, to adopt 8 spinning heads to carry out spinning; It is 6 mL/h that every spinning head is carried polyurethane solutions speed, simultaneously 8 spinning heads is connected the HV generator of 25 kV, receives fiber with copper mesh; The fiber receiving range is 10 cm; Promptly obtain having the polyurethane nanofiber film of permeable watertight performance, the fiber thickness reaches 0.02 mm, and productive rate reaches 5 g/m
2H, the permeability index reaches 0.51 cm
3/ cm
2S, water resistance reaches 35 cmH
2O.Under same concentration conditions, the polyurethane film of existing coating deposition method preparation, permeability is 0.046 cm
3/ cm
2S.
Embodiment 4
In room temperature is 23
oUnder the condition of C; 14.4 g polyurethane are joined in the airtight vessel of the N-N-dimethyl formamide that fills 81.6 g; On magnetic stirrer with the rotating speed high degree of agitation of 200rpm 12 hours; Dissolve fully until polyurethane, solution is colourless transparent liquid, obtains mass fraction and be 15% polyurethane solutions.
In room temperature 25
oC, relative humidity is under 40% the condition, to adopt 8 spinning heads to carry out spinning; It is 8 mL/h that every spinning head is carried polyurethane solutions speed, simultaneously 8 spinning heads is connected the HV generator of 25 kV, receives fiber with fabric or nonwoven fabric; The fiber receiving range is 10 cm; Promptly obtain having the polyurethane nanofiber film of permeable watertight performance, fiber thickness 0.02 mm, productive rate reaches 9.6 g/m
2H, the permeability index reaches 0.55 cm
3/ cm
2S, water resistance is 32 cmH
2O.Under same concentration conditions, the polyurethane film of existing coating deposition method preparation, permeability is 0.04 cm
3/ cm
2S.
Embodiment 5
In room temperature 23
oUnder the C; 18 g polyurethane are joined in the airtight vessel of oxolane/N-N-dimethyl formamide (weight ratio 1/3) solution that fills 102 g; On magnetic stirrer with the rotating speed high degree of agitation of 100rpm 12 hours; Dissolve fully until polyurethane, solution is light yellow transparent liquid, obtains the polyurethane solutions that mass fraction is 15 %.
In room temperature 35
oC, relative humidity is under 50% the condition, to adopt 10 spinning heads to carry out spinning; It is 10 mL/h that every spinning head is carried polyurethane solutions speed, simultaneously 10 spinning heads is connected the HV generator of 25 kV, receives fiber with copper mesh; The fiber receiving range is 15 cm; Promptly obtain having the polyurethane nanofiber film of permeable watertight performance, fiber thickness 0.02 mm, productive rate reaches 15 g/m
2H, the permeability index reaches 0.50 cm
3/ cm
2S, water resistance reaches 34.5 cmH
2O.Under same concentration conditions, the polyurethane film of existing coating deposition method preparation, permeability is 0.04 cm
3/ cm
2S.
Embodiment 6
In room temperature 23
oUnder the C; 9.6 g polyurethane are joined in the airtight vessel of oxolane/N-N-dimethylacetylamide (weight ratio 1/3) solution that fills 110.4 g; On magnetic stirrer with the rotating speed high degree of agitation of 50rpm 12 hours; Dissolve fully until polyurethane, solution is colourless transparent liquid, obtains the polyurethane solutions that mass fraction is 8 %.
In room temperature 35
oC, relative humidity is under 50% the condition, to adopt 10 spinning heads to carry out spinning; It is 10 mL/h that every spinning head is carried polyurethane solutions speed, simultaneously 10 spinning heads is connected the HV generator of 20 kV, receives fiber with copper mesh; The fiber receiving range is 12 cm; Promptly obtain having the polyurethane nanofiber film of permeable watertight performance, fiber thickness 0.02 mm, productive rate reaches 8 g/m
2H, the permeability index reaches 0.56 cm
3/ cm
2S, water resistance reaches 36 cmH
2O.Under same concentration conditions, the polyurethane film of existing coating deposition method preparation, permeability is 0.051 cm
3/ cm
2S.
In solution preparation and electrostatic spinning process, polyurethane solutions mass fraction and electricity spin the change of parameter, and the productive rate of its preparation polyurethane fiber film has raising in various degree.Prepare the method for polyurethane film with respect to existing coating deposition, the permeable watertight performance of the polyurethane fiber film that electro-spinning gets is excellent more.
Claims (8)
1. the preparation method of a permeable watertight polyurethane nanofiber film; It is characterized in that; Comprise: preparation polyurethane mass concentration is 8% ~ 15% polyurethane solutions; Adopt the electrostatic spinning apparatus with a plurality of spinning heads to carry out electrostatic spinning the polyurethane solutions of gained, the formation fibre diameter is that 20nm ~ 2 μ m, thickness are the permeable watertight polyurethane nanofiber film of 0.02 mm.
2. the preparation method of permeable watertight polyurethane nanofiber film as claimed in claim 1 is characterized in that, the solvent of described polyurethane solutions is N, dinethylformamide; DMAC N,N, oxolane; N-Methyl pyrrolidone, carrene, dichloroethanes; Chloroform, monochloro methane, a kind of or mixture more than two kinds in benzene and the toluene.
3. the preparation method of permeable watertight polyurethane nanofiber film as claimed in claim 1 is characterized in that, the spinning head quantity of described electrostatic spinning apparatus is 5 ~ 10, solution the speed on each spinning head of being input to be the 5-12 milliliter/hour.
4. the preparation method of permeable watertight polyurethane nanofiber film as claimed in claim 1 is characterized in that, used voltage is 15-25 kV during described electrostatic spinning.
5. the preparation method of permeable watertight polyurethane nanofiber film as claimed in claim 1 is characterized in that, environment temperature is 15-35 in the described electrostatic spinning process
oC.
6. the preparation method of permeable watertight polyurethane nanofiber film as claimed in claim 1 is characterized in that, envionmental humidity is 20-50% in the described electrostatic spinning process.
7. the preparation method of permeable watertight polyurethane nanofiber film as claimed in claim 1 is characterized in that, described spinning head and the vertical interval that receives between the material are 5-15 cm.
8. the preparation method of permeable watertight polyurethane nanofiber film as claimed in claim 1 is characterized in that, described reception material is tinfoil, copper mesh, fabric or nonwoven fabric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103981602A CN102517794A (en) | 2011-12-05 | 2011-12-05 | Method for preparing air-permeable waterproof polyurethane nanofiber membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103981602A CN102517794A (en) | 2011-12-05 | 2011-12-05 | Method for preparing air-permeable waterproof polyurethane nanofiber membrane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102517794A true CN102517794A (en) | 2012-06-27 |
Family
ID=46288843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103981602A Pending CN102517794A (en) | 2011-12-05 | 2011-12-05 | Method for preparing air-permeable waterproof polyurethane nanofiber membrane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102517794A (en) |
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102861355A (en) * | 2012-10-12 | 2013-01-09 | 中国人民解放军第三军医大学 | Functional wound dressing capable of accelerating wound healing and preparation method thereof |
| CN103240941A (en) * | 2013-05-23 | 2013-08-14 | 杭州市质量技术监督检测院 | Waterproof and breathable compound fabric and preparing method thereof |
| CN104223528A (en) * | 2013-06-18 | 2014-12-24 | 北京服装学院 | Waterproof moisture-permeable combined fabric and manufacturing method thereof |
| CN104480639A (en) * | 2014-12-09 | 2015-04-01 | 东华大学 | Electrostatic spinning method and device of super-wear-resistant fiber-based waterproof moisture-permeable membrane |
| CN105346154A (en) * | 2015-12-15 | 2016-02-24 | 常熟市新达纬编厂 | Waterproof ventilating fabric |
| CN106796195A (en) * | 2014-09-02 | 2017-05-31 | 墨尔本皇家理工大学 | Gas sensor nano-complex film |
| CN108589050A (en) * | 2018-05-15 | 2018-09-28 | 南通大学 | A kind of preparation method of thermoplastic polyurethane nano-fiber film |
| CN109435358A (en) * | 2018-10-25 | 2019-03-08 | 江南大学 | A kind of composite water-proof moisture-permeable shell fabric and preparation method thereof |
| CN109823010A (en) * | 2019-03-28 | 2019-05-31 | 无锡泰伯服饰有限公司 | A kind of Waterproof Breathable keeps warm PU composite material and its preparation process |
| CN109853253A (en) * | 2019-02-19 | 2019-06-07 | 东莞市喜宝体育用品科技有限公司 | A kind of TPU flies to knit vamp |
| CN109914118A (en) * | 2019-02-19 | 2019-06-21 | 东莞市喜宝体育用品科技有限公司 | A kind of three proofings fly to knit vamp |
| CN110229353A (en) * | 2019-06-11 | 2019-09-13 | 武汉纺织大学 | A method of improving organic powder-compound polyurethane material interface performance and mechanical property |
| CN110230117A (en) * | 2019-06-11 | 2019-09-13 | 武汉纺织大学 | A method of improving polyurethane fiber strength and strain |
| CN110548417A (en) * | 2018-05-30 | 2019-12-10 | 中国科学院苏州纳米技术与纳米仿生研究所 | High polymer material, super-hydrophobic porous membrane, coating, preparation method and application |
| CN110973743A (en) * | 2020-01-10 | 2020-04-10 | 中原工学院 | Waterproof and moisture permeable composite fabric containing fluorinated graphene and preparation method thereof |
| CN111020885A (en) * | 2019-12-27 | 2020-04-17 | 福建恒安集团有限公司 | Preparation method of breathable and waterproof polyurethane nanofiber non-woven fabric |
| CN112189918A (en) * | 2020-06-29 | 2021-01-08 | 吉祥三宝高科纺织有限公司 | Reusable bactericidal and virucidal protective clothing and preparation process thereof |
| CN112430911A (en) * | 2020-11-30 | 2021-03-02 | 齐鲁工业大学 | Preparation method of artificial leather grain surface layer nanofiber bionic membrane |
| CN113235226A (en) * | 2021-05-10 | 2021-08-10 | 南京摩开科技有限公司 | Ultraviolet light and oxygen aging resistant polyurethane nanofiber membrane and preparation method thereof |
| CN114619731A (en) * | 2020-12-10 | 2022-06-14 | 财团法人纺织产业综合研究所 | Breathable waterproof film |
| CN114703604A (en) * | 2021-06-16 | 2022-07-05 | 吴江市汉塔纺织整理有限公司 | Electrostatic spinning technology-based waterborne polyurethane fiber/microsphere composite coating, and preparation method and application thereof |
| US11419519B2 (en) | 2016-08-15 | 2022-08-23 | Royal Melbourne Institute Of Technology | Gas sensor capsule |
| CN115262089A (en) * | 2022-08-06 | 2022-11-01 | 安徽东锦服饰有限公司 | Production process of waterproof and moisture permeable composite fabric |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1483096A (en) * | 2000-12-22 | 2004-03-17 | 三井化学株式会社 | Melt-blown nonwoven fabric |
| CN200999274Y (en) * | 2007-01-24 | 2008-01-02 | 大连振邦集团有限公司 | Multi-sprayer static spinning film producing apparatus |
| CN101563499A (en) * | 2006-12-22 | 2009-10-21 | 巴斯夫欧洲公司 | Composite material, particularly synthetic leather |
| CN102115953A (en) * | 2010-12-07 | 2011-07-06 | 南京工业大学 | Electrostatic spinning nano-fiber film, and preparation method and finger detection method of electrostatic spinning nano-fiber film |
| CN102140701A (en) * | 2011-03-21 | 2011-08-03 | 李从举 | Porous sprayer electrostatic spinning device for preparing nano fibrofelt and preparation method thereof |
-
2011
- 2011-12-05 CN CN2011103981602A patent/CN102517794A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1483096A (en) * | 2000-12-22 | 2004-03-17 | 三井化学株式会社 | Melt-blown nonwoven fabric |
| CN101563499A (en) * | 2006-12-22 | 2009-10-21 | 巴斯夫欧洲公司 | Composite material, particularly synthetic leather |
| CN200999274Y (en) * | 2007-01-24 | 2008-01-02 | 大连振邦集团有限公司 | Multi-sprayer static spinning film producing apparatus |
| CN102115953A (en) * | 2010-12-07 | 2011-07-06 | 南京工业大学 | Electrostatic spinning nano-fiber film, and preparation method and finger detection method of electrostatic spinning nano-fiber film |
| CN102140701A (en) * | 2011-03-21 | 2011-08-03 | 李从举 | Porous sprayer electrostatic spinning device for preparing nano fibrofelt and preparation method thereof |
Cited By (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102861355A (en) * | 2012-10-12 | 2013-01-09 | 中国人民解放军第三军医大学 | Functional wound dressing capable of accelerating wound healing and preparation method thereof |
| CN103240941A (en) * | 2013-05-23 | 2013-08-14 | 杭州市质量技术监督检测院 | Waterproof and breathable compound fabric and preparing method thereof |
| CN104223528A (en) * | 2013-06-18 | 2014-12-24 | 北京服装学院 | Waterproof moisture-permeable combined fabric and manufacturing method thereof |
| CN106796195A (en) * | 2014-09-02 | 2017-05-31 | 墨尔本皇家理工大学 | Gas sensor nano-complex film |
| CN104480639A (en) * | 2014-12-09 | 2015-04-01 | 东华大学 | Electrostatic spinning method and device of super-wear-resistant fiber-based waterproof moisture-permeable membrane |
| CN105346154A (en) * | 2015-12-15 | 2016-02-24 | 常熟市新达纬编厂 | Waterproof ventilating fabric |
| US11419519B2 (en) | 2016-08-15 | 2022-08-23 | Royal Melbourne Institute Of Technology | Gas sensor capsule |
| CN108589050A (en) * | 2018-05-15 | 2018-09-28 | 南通大学 | A kind of preparation method of thermoplastic polyurethane nano-fiber film |
| CN110548417A (en) * | 2018-05-30 | 2019-12-10 | 中国科学院苏州纳米技术与纳米仿生研究所 | High polymer material, super-hydrophobic porous membrane, coating, preparation method and application |
| CN110548417B (en) * | 2018-05-30 | 2022-02-11 | 中国科学院苏州纳米技术与纳米仿生研究所 | High polymer material, super-hydrophobic porous membrane, coating, preparation method and application |
| CN109435358A (en) * | 2018-10-25 | 2019-03-08 | 江南大学 | A kind of composite water-proof moisture-permeable shell fabric and preparation method thereof |
| CN109435358B (en) * | 2018-10-25 | 2019-10-08 | 江南大学 | A kind of composite water-proof moisture-permeable shell fabric and preparation method thereof |
| CN109853253A (en) * | 2019-02-19 | 2019-06-07 | 东莞市喜宝体育用品科技有限公司 | A kind of TPU flies to knit vamp |
| CN109853253B (en) * | 2019-02-19 | 2021-03-16 | 东莞市喜宝体育用品科技有限公司 | TPU flies to knit vamp |
| CN109914118A (en) * | 2019-02-19 | 2019-06-21 | 东莞市喜宝体育用品科技有限公司 | A kind of three proofings fly to knit vamp |
| CN109914118B (en) * | 2019-02-19 | 2021-03-16 | 东莞市喜宝体育用品科技有限公司 | Three proofings fly to knit vamp |
| CN109823010A (en) * | 2019-03-28 | 2019-05-31 | 无锡泰伯服饰有限公司 | A kind of Waterproof Breathable keeps warm PU composite material and its preparation process |
| CN110229353A (en) * | 2019-06-11 | 2019-09-13 | 武汉纺织大学 | A method of improving organic powder-compound polyurethane material interface performance and mechanical property |
| CN110230117A (en) * | 2019-06-11 | 2019-09-13 | 武汉纺织大学 | A method of improving polyurethane fiber strength and strain |
| CN110229353B (en) * | 2019-06-11 | 2022-03-04 | 武汉纺织大学 | Method for improving interface performance and mechanical property of organic powder-polyurethane composite material |
| CN110230117B (en) * | 2019-06-11 | 2022-01-28 | 武汉纺织大学 | Method for improving strength and strain of polyurethane fiber |
| CN111020885A (en) * | 2019-12-27 | 2020-04-17 | 福建恒安集团有限公司 | Preparation method of breathable and waterproof polyurethane nanofiber non-woven fabric |
| CN110973743A (en) * | 2020-01-10 | 2020-04-10 | 中原工学院 | Waterproof and moisture permeable composite fabric containing fluorinated graphene and preparation method thereof |
| CN112189918A (en) * | 2020-06-29 | 2021-01-08 | 吉祥三宝高科纺织有限公司 | Reusable bactericidal and virucidal protective clothing and preparation process thereof |
| CN112430911A (en) * | 2020-11-30 | 2021-03-02 | 齐鲁工业大学 | Preparation method of artificial leather grain surface layer nanofiber bionic membrane |
| CN114619731A (en) * | 2020-12-10 | 2022-06-14 | 财团法人纺织产业综合研究所 | Breathable waterproof film |
| CN113235226A (en) * | 2021-05-10 | 2021-08-10 | 南京摩开科技有限公司 | Ultraviolet light and oxygen aging resistant polyurethane nanofiber membrane and preparation method thereof |
| CN114703604A (en) * | 2021-06-16 | 2022-07-05 | 吴江市汉塔纺织整理有限公司 | Electrostatic spinning technology-based waterborne polyurethane fiber/microsphere composite coating, and preparation method and application thereof |
| CN115262089A (en) * | 2022-08-06 | 2022-11-01 | 安徽东锦服饰有限公司 | Production process of waterproof and moisture permeable composite fabric |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102517794A (en) | Method for preparing air-permeable waterproof polyurethane nanofiber membrane | |
| CN102421499B (en) | Fabric material composite construction for use as a filter means | |
| CN105926161B (en) | A kind of preparation method of the thickness combined nano fiber air filtering material with gradient-structure | |
| CN105903271B (en) | Controllable mixing nanostructured fibers composite filter material and preparation method thereof | |
| CN104562292B (en) | Preparation method of porous micro-nano PET fibers | |
| CN106283386B (en) | A kind of nanofiber plural gel ultrafiltration membrane and preparation method thereof | |
| CN101928996A (en) | Preparation method of fibrous membrane with super hydrophobic multi-stage nanometer structure | |
| CN103625089B (en) | The preparation method of nano fibrous membrane modified cellulose forming paper and application thereof | |
| CN101942704A (en) | Preparation method of organic nano porous fiber film having controllable ultra-high specific area | |
| CN107475902B (en) | Preparation method of super-hydrophobic fiber membrane | |
| CN101967279B (en) | Method for preparing reversible discolouring membrane made from polyaniline composite nanofiber | |
| CN102691175A (en) | Composite fibre membrane with unidirectional water permeable performance and preparation method thereof | |
| CN112774457B (en) | Polymer microfiltration membrane and preparation method and application thereof | |
| US20200282362A1 (en) | Reverse osmosis membrane support material and preparation method thereof | |
| CN103774251A (en) | Device for producing nanofiber nonwoven fabric through multi-needle roller type high-voltage electrostatic spinning | |
| CN103122583B (en) | Preparation method of novel amphiphilic nano fiber having core-shell structure | |
| CN108570768A (en) | A kind of method and apparatus preparing compound antibacterial nano fibrous membrane | |
| CN105536349A (en) | Novel nanometer aerogel material for air filtration and preparation method thereof | |
| CN105214508A (en) | Containing the preparation method of the electrostatic spinning milipore filter of bamboo pulp nanofiber element coating | |
| CN107022848B (en) | Lubricating film material, raw material composition, preparation method and application | |
| CN106988016B (en) | Antibacterial aqueous polyurethane nanofiber film and preparation method | |
| CN107177934A (en) | A kind of preparation method of high printing opacity dustproof screen window material and screen window | |
| CN102602092A (en) | Three-dimensional nanofiber composite membrane and preparation method thereof | |
| CN105040157B (en) | A kind of preparation of wooden liquefied substance electrostatic spinning liquid and spinning process | |
| CN103590192B (en) | The coloured nanofiber membrane preparation method of Disperse Blue 2BLN/polyacrylonitrile-radical |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120627 |