CN109265731A - Waterproof ventilated membrane and preparation method thereof - Google Patents
Waterproof ventilated membrane and preparation method thereof Download PDFInfo
- Publication number
- CN109265731A CN109265731A CN201810985803.5A CN201810985803A CN109265731A CN 109265731 A CN109265731 A CN 109265731A CN 201810985803 A CN201810985803 A CN 201810985803A CN 109265731 A CN109265731 A CN 109265731A
- Authority
- CN
- China
- Prior art keywords
- membrane
- solution
- preparation
- basement membrane
- waterproof ventilated
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/36—After-treatment
- C08J9/365—Coating
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/40—Polyamides containing oxygen in the form of ether groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/36—After-treatment
- C08J9/40—Impregnation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/36—After-treatment
- C08J9/40—Impregnation
- C08J9/405—Impregnation with polymerisable compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/06—Polyethene
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The present invention relates to a kind of preparation methods of waterproof ventilated membrane, comprising the following steps: dopamine is dissolved in methanol, obtains dopamine solution；Polyamine is soluble in water, obtain polynary amine aqueous solution；Acyl chlorides is dissolved in organic solvent, solution of acid chloride is obtained；Basement membrane is impregnated in the dopamine solution, it is dry, obtain the first basement membrane；First basement membrane is impregnated in the polynary amine aqueous solution, it is dry, obtain the second basement membrane；By solution of acid chloride elution in second basement membrane, drying obtains waterproof ventilated membrane；The acyl chlorides has structure shown in formula (I):
Description
Technical field
The present invention relates to film applications, more particularly to waterproof ventilated membrane and preparation method thereof.
Background technique
Waterproof ventilated membrane, some are also referred to as waterproof humidity-permeant film, refer to a kind of film, can allow empty while waterproof
Gas or vapor penetrate, and play not only waterproof, but also ventilative effect, occur earliest and apply in textile material, for making
Outdoor sports coat can thus play while prevent water from penetrating into clothing, and ventilative effect can be played, so that skin
Sweat steam can in time it is evaporated, avoid between sweat steam skin and clothing condense aggregation, increase clothes dress
Comfort level.
Common waterproof ventilated membrane is broadly divided into three kinds currently on the market, and one is microporous barriers, with polyvinyl chloride, poly- second
Alkene, polypropylene, these films just have the micropore of certain amount and size by certain processing technology when making, and one
As micropore diameter between 0.1-20 μm, such size allows vapor or other gases to pass through, and but can be effectively prevented
Water droplet passes through.But this film requires the size and number of size more harsh, causes processing technology complicated, cost compared with
It is high.Another then uses hydrophilic film, for example uses polyvinyl alcohol, and the hydrophilic polymers such as polyethylene glycol are prepared thin
Film realizes the function of waterproof and breathable by the effect of hydrophilic radical molecule and water vapour, the third is then in common perforated membrane
Applied atop one layer of polymeric coating, which can form the more loose film of one layer of structure on surface, by adjusting polymer
The porousness of coating realizes waterproof and breathable function.
The common polymer of the third polymer coating has polyurethane, polyamide, and the polymer such as polyacrylate usually lead to
It crosses coating and prepolymer or monomer is equably layered on porous film surface, ultraviolet then again by heating, the modes such as microwave will react
Object polymerizing curable film forming controls the consistency of film by adjusting amount and the degree of polymerization of polymer, to realize waterproof and breathable
Function.
The waterproof and air permeability effect of the above waterproof ventilated membrane have to be strengthened.
Summary of the invention
Based on this, the present invention provides a kind of preparation method of waterproof ventilated membrane, and waterproof ventilated membrane obtained has more excellent
Waterproof and breathable function.
The specific technical proposal is:
A kind of preparation method of waterproof ventilated membrane, comprising the following steps:
Dopamine is dissolved in methanol, dopamine solution is obtained；Polyamine is soluble in water, obtain polynary amine aqueous solution；By acyl chlorides
It is dissolved in organic solvent, obtains solution of acid chloride；
Basement membrane is impregnated in the dopamine solution, it is dry, obtain the first basement membrane；
First basement membrane is impregnated in the polynary amine aqueous solution, it is dry, obtain the second basement membrane；
By solution of acid chloride elution in second basement membrane, drying obtains waterproof ventilated membrane；
The acyl chlorides has structure shown in formula (I):
Wherein, 2≤n≤5
The n=2 in one of the embodiments,.
The polyamine has structure shown in formula (II) in one of the embodiments:
Wherein, 2≤m≤5.
The m=2 in one of the embodiments,.
The organic solvent is selected from methylene chloride in one of the embodiments,.
The concentration in the dopamine solution is 8-12mM in one of the embodiments,；The polynary amine aqueous solution it is dense
Degree is 8-12mM；The concentration of the solution of acid chloride is 8-12mM.
The time impregnated in the dopamine solution in one of the embodiments, is 6h-8h；It is molten in the polyamine
The time impregnated in liquid is 0.5h-2h.
The basement membrane is polyethylene porous membrane in one of the embodiments,.
The average pore size of the polyethylene porous membrane is 15 μm -25 μm in one of the embodiments, porosity 25-
35%, with a thickness of 0.2mm-10mm.
The present invention also provides a kind of waterproof ventilated membranes, are made by above-mentioned preparation method.
Compared with prior art, the invention has the following advantages:
The present invention uses interface polymerization reaction, and in conjunction with the polynary acyl chlorides and polyamine of specific structure, it is anti-to be prepared for polyamide
Water ventilated membrane.Wherein, polynary acyl chlorides and polyamine all have long-chain ether-oxygen bond structure, on the one hand, the polynary acyl chlorides of this structure
It is bigger with the molecular weight of polyamine, amidation process formed reticular structure is more fine and close and multilayer；On the other hand, more ether
Oxygen chain has certain hydrophily, can be breathed freely by the adsorption-desorption process to the hydrone in vapor to realize
Journey.Collocation uses the interface polymerization reaction method of convenient and efficient, and the ether oxygen link of long-chain is introduced on polyamide waterproof ventilated membrane
Structure, the polyamide waterproof ventilated membrane of preparation combine the absorption solution of the mechanism and hydrophilic radical that adjust polymer coating microcellular structure
The mechanism of absorption plays better waterproof and breathable effect.Meanwhile the dopamine coating of membrane surface has extra amido and hydroxyl
Base has the function of enhancing basement membrane caking property, and the performance for being conducive to polyamide film layer is stablized.Also, dopamine also assists in above-mentioned
Amidation process increases the waterproof and breathable function of film layer.
Using waterproof ventilated membrane made from interfacial reaction of the present invention, vapor transfer rate reaches 6500g/ (m224) resistance to more than
Hydrostatic pressing reaches 700mmH2O/m2More than, it can be applied to the weaving dress ornament more demanding to water-proof breathable properties, building board, account
The fields such as paulin.Also, coating layer thickness can be adjusted by adjusting the concentration of polyamine and acyl chlorides, be less prone to that coating is uneven, applies
The too thick or too thin situation of layer.
Specific embodiment
It to facilitate the understanding of the present invention, below will be to invention is more fully described.The present invention can be with many not
With form realize, however it is not limited to embodiment described herein.On the contrary, purpose of providing these embodiments is makes to this
Disclosure of the invention content understanding is more thorough and comprehensive.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein "and/or" includes one or more phases
Any and all combinations of the listed item of pass.
Waterproof ventilated membrane and preparation method thereof of the invention is described in further detail below in conjunction with specific embodiment.
Raw material used in following specific embodiments, if can be derived from commercially available without specified otherwise.
Embodiment 1
The present embodiment is using polyethylene porous membrane as basement membrane, wherein the average pore size of polyethylene porous membrane at 20 μm or so,
Porosity is 30% or so, and thickness is between 0.2-10mm.Polyethylene porous membrane is first immersed in dopamine of the pH 8.5 or so
Methanol solution in, soaking time 6h, polyethylene porous film surface formed one layer of light black dopamine coating.Wherein,
The concentration of dopamine is 10Mm, carries out pH value adjusting with trishydroxymethylaminomethane.Repeatedly by the polyethylene porous membrane after immersion
It is eluted with deionized water, is finally dried under an inert gas, obtain the first basement membrane.
Then it will be immersed in polynary amine aqueous solution with the polyethylene porous membrane (the first basement membrane) of dopamine coating, when immersion
Between be 1 hour, the concentration of polyamine is 10mM, and the molecular structure of polyamine is as follows:
It complete first basement membrane will be impregnated is placed on and suck extra solution on filter paper, obtain the second basement membrane, the second basement membrane is turned
It moves on in clean glass dish.
Acyl chlorides is dissolved in organic solvent (methylene chloride), obtains solution of acid chloride, concentration 10mM, the molecular structure of acyl chlorides is such as
Under:
Extract configured solution of acid chloride with syringe, slowly elute in the second membrane surface, allow acyl chlorides with
The amido of the polyamine and dopamine that are adsorbed on porous film surface is reacted, and polyamide is formed.After standing five minutes, it will drench
The second basement membrane after washing solution of acid chloride is slowly dried under atmosphere of inert gases to get waterproof ventilated membrane.
Above-mentioned waterproof ventilated membrane is tested for the property, test method is as follows:
Resistance to hydrostatic pressure test method is tested according to the standard of JIS L1092, and moisture permeability is according to the standard of JIS L1099
It is tested.
After tested, the vapor transfer rate of the waterproof ventilated membrane of embodiment 1 is 7800g/ (m224), resistance to hydrostatic pressure are as follows:
800mmH2O/m2。
Embodiment 2
The present embodiment is using polyethylene porous membrane as basement membrane, wherein the average pore size of polyethylene porous membrane at 20 μm or so,
Porosity is 30% or so, and thickness is between 0.2-10mm.Polyethylene porous membrane is first immersed in dopamine of the pH 8.5 or so
Methanol solution in, soaking time 7h, polyethylene porous film surface formed one layer of light black dopamine coating.Wherein,
The concentration of dopamine is 10Mm, carries out pH value adjusting with trishydroxymethylaminomethane.Repeatedly by the polyethylene porous membrane after immersion
It is eluted with deionized water, is finally dried under an inert gas, obtain the first basement membrane.
Then it will be immersed in polynary amine aqueous solution with the polyethylene porous membrane (the first basement membrane) of dopamine coating, when immersion
Between be 0.5 hour, the concentration of polyamine is 8mM, and the molecular structure of polyamine is as follows:
It complete first basement membrane will be impregnated is placed on and suck extra solution on filter paper, obtain the second basement membrane, the second basement membrane is turned
It moves on in clean glass dish.
Acyl chlorides is dissolved in organic solvent, solution of acid chloride is obtained, the molecular structure of concentration 12mM, acyl chlorides are as follows:
Extract configured solution of acid chloride with syringe, slowly elute in the second membrane surface, allow acyl chlorides with
The amido of the polyamine and dopamine that are adsorbed on porous film surface is reacted, and polyamide is formed.After standing five minutes, it will drench
The second basement membrane after washing solution of acid chloride is slowly dried under atmosphere of inert gases to get waterproof ventilated membrane.
Using test method same as Example 1, the waterproof ventilated membrane of embodiment 2 is tested for the property, embodiment 2
The vapor transfer rate of waterproof ventilated membrane is 7000g/ (m224), resistance to hydrostatic pressure are as follows: 800mmH2O/m2。
Embodiment 3
The present embodiment is using polyethylene porous membrane as basement membrane, wherein the average pore size of polyethylene porous membrane at 20 μm or so,
Porosity is 30% or so, and thickness is between 0.2-10mm.Polyethylene porous membrane is first immersed in dopamine of the pH 8.5 or so
Methanol solution in, soaking time 8h, polyethylene porous film surface formed one layer of light black dopamine coating.Wherein,
The concentration of dopamine is 10Mm, carries out pH value adjusting with trishydroxymethylaminomethane.Repeatedly by the polyethylene porous membrane after immersion
It is eluted with deionized water, is finally dried under an inert gas, obtain the first basement membrane.
Then it will be immersed in polynary amine aqueous solution with the polyethylene porous membrane (the first basement membrane) of dopamine coating, when immersion
Between be 1.5 hours, the concentration of polyamine is 12mM, and the molecular structure of polyamine is as follows:
It complete first basement membrane will be impregnated is placed on and suck extra solution on filter paper, obtain the second basement membrane, the second basement membrane is turned
It moves on in clean glass dish.
Acyl chlorides is dissolved in organic solvent, solution of acid chloride is obtained, the molecular structure of concentration 8mM, acyl chlorides are as follows:
Extract configured solution of acid chloride with syringe, slowly elute in the second membrane surface, allow acyl chlorides with
The amido of the polyamine and dopamine that are adsorbed on porous film surface is reacted, and polyamide is formed.After standing five minutes, it will drench
The second basement membrane after washing solution of acid chloride is slowly dried under atmosphere of inert gases to get waterproof ventilated membrane.
Using test method same as Example 1, the waterproof ventilated membrane of embodiment 3 is tested for the property, embodiment 3
The vapor transfer rate of waterproof ventilated membrane is 6800g/ (m224), resistance to hydrostatic pressure are as follows: 750mmH2O/m2。
Comparative example 1
Comparative example 1 provides a kind of waterproof ventilated membrane, and essentially identical with the preparation method of embodiment 1, difference is, polyamine
For hexamethylene diamine, acyl chlorides is pyromellitic trimethylsilyl chloride.
Using test method same as Example 1, the waterproof ventilated membrane of comparative example 1 is tested for the property, comparative example 1
The vapor transfer rate of waterproof ventilated membrane is 3500g/ (m224), resistance to hydrostatic pressure are as follows: 500mmH2O/m2。
Comparative example 2
Comparative example 2 provides a kind of waterproof ventilated membrane, and essentially identical with the preparation method of embodiment 1, difference is, polyamine
For N, bis- (2- ethoxy) oxamides of N'-, acyl chlorides is fumaryl chloride.
Using test method same as Example 1, the waterproof ventilated membrane of embodiment 2 is tested for the property, embodiment 2
The vapor transfer rate of waterproof ventilated membrane is 3600g/ (m224), resistance to hydrostatic pressure are as follows: 460mmH2O/m2。
Analysis is it is found that the vapor transfer rate of the waterproof ventilated membrane of embodiment 1-3 reaches 6500g/ (m224) more than, resistance to hydrostatic
Pressure reaches 700mmH2O/m2More than, it is preferable to illustrate that waterproof ventilated membrane made from the preparation method using embodiment 1-3 has
Waterproof and air permeability effect.Comparative example 1 is using conventional polyamine and acyl chlorides as raw material, the vapor transfer rate of the waterproof ventilated membrane of preparation and resistance to
Hydrostatic pressing is smaller, illustrates that its air permeability effect is bad, and waterproof effect is bad, is not suitable in the neck more demanding to waterproof and breathable
It is applied in domain.Comparative example 2 introduces other hydrophilic radicals on conventional polyamine and acyl chlorides, and relative to embodiment 1, waterproof is saturating
Gas effect is weaker, illustrates using the waterproof ventilated membrane of interface polymerization reaction preparation by the hydrophilic radical on polyamine and acyl chlorides
Structure is affected.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of preparation method of waterproof ventilated membrane, which comprises the following steps:
Dopamine is dissolved in methanol, dopamine solution is obtained；Polyamine is soluble in water, obtain polynary amine aqueous solution；Acyl chlorides is dissolved in
In organic solvent, solution of acid chloride is obtained；
Basement membrane is impregnated in the dopamine solution, it is dry, obtain the first basement membrane；
First basement membrane is impregnated in the polynary amine aqueous solution, it is dry, obtain the second basement membrane；
By solution of acid chloride elution in second basement membrane, drying obtains waterproof ventilated membrane；
The acyl chlorides has structure shown in formula (I):
Wherein, 2≤n≤5.
2. preparation method according to claim 1, which is characterized in that the n=2.
3. preparation method according to claim 1, which is characterized in that the polyamine has structure shown in formula (II):
Wherein, 2≤m≤5.
4. preparation method according to claim 3, which is characterized in that the m=2.
5. preparation method according to claim 1-4, which is characterized in that the organic solvent is selected from dichloromethane
Alkane.
6. preparation method according to claim 1-4, which is characterized in that the concentration in the dopamine solution is
8-12mM；The concentration of the polynary amine aqueous solution is 8-12mM；The concentration of the solution of acid chloride is 8-12mM.
7. preparation method according to claim 1-4, which is characterized in that impregnated in the dopamine solution
Time is 6h-8h；The time impregnated in the polynary amine aqueous solution is 0.5h-2h.
8. preparation method according to claim 1-4, which is characterized in that the basement membrane is polyethylene porous membrane.
9. preparation method according to claim 8, which is characterized in that the average pore size of the polyethylene porous membrane is 15 μ
M-25 μm, porosity 25-35%, with a thickness of 0.2mm-10mm.
10. a kind of waterproof ventilated membrane, which is characterized in that be made by the described in any item preparation methods of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810985803.5A CN109265731B (en) | 2018-08-28 | 2018-08-28 | Waterproof breathable film and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810985803.5A CN109265731B (en) | 2018-08-28 | 2018-08-28 | Waterproof breathable film and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109265731A true CN109265731A (en) | 2019-01-25 |
| CN109265731B CN109265731B (en) | 2021-07-30 |
Family
ID=65154698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810985803.5A Active CN109265731B (en) | 2018-08-28 | 2018-08-28 | Waterproof breathable film and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109265731B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100078822A (en) * | 2008-12-30 | 2010-07-08 | 주식회사 효성 | Manufacturing method for polyamide-based reverse osmosis membrane and polyamide-based reverse osmosis membrane manufactured thereby |
| CN103406027A (en) * | 2013-06-18 | 2013-11-27 | 天津工业大学 | Hydrophilic composite film containing ether groups in surface layer |
| CN104117296A (en) * | 2014-08-06 | 2014-10-29 | 哈尔滨工业大学 | Polyamide composite nanofiltration membrane with main chain containing ether oxygen structure, and preparation method thereof |
| CN104587845A (en) * | 2015-01-26 | 2015-05-06 | 天津工业大学 | Composite membrane with hydrophilic separation layer |
-
2018
- 2018-08-28 CN CN201810985803.5A patent/CN109265731B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100078822A (en) * | 2008-12-30 | 2010-07-08 | 주식회사 효성 | Manufacturing method for polyamide-based reverse osmosis membrane and polyamide-based reverse osmosis membrane manufactured thereby |
| CN103406027A (en) * | 2013-06-18 | 2013-11-27 | 天津工业大学 | Hydrophilic composite film containing ether groups in surface layer |
| CN104117296A (en) * | 2014-08-06 | 2014-10-29 | 哈尔滨工业大学 | Polyamide composite nanofiltration membrane with main chain containing ether oxygen structure, and preparation method thereof |
| CN104587845A (en) * | 2015-01-26 | 2015-05-06 | 天津工业大学 | Composite membrane with hydrophilic separation layer |
Non-Patent Citations (1)
| Title |
|---|
| 周琨: ""聚氯乙烯纳米纤维基聚酰胺复合反渗透膜的制备与性能调控"", 《中国优秀硕士学位论文全文数据库 工程科技I辑》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109265731B (en) | 2021-07-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Cheng et al. | Enhanced pervaporation performance of polyamide membrane with synergistic effect of porous nanofibrous support and trace graphene oxide lamellae | |
| Sheng et al. | Thermally induced chemical cross-linking reinforced fluorinated polyurethane/polyacrylonitrile/polyvinyl butyral nanofibers for waterproof-breathable application | |
| WO2010106900A1 (en) | Water vapor-permeable diaphragm material | |
| CN102905780B (en) | Composite semipermeable membrane | |
| CN109337110A (en) | Waterproof ventilated membrane and preparation method thereof | |
| US9919264B2 (en) | Enhanced graphene oxide membranes and methods for making same | |
| WO1999020378A1 (en) | A manufacturing method of composite membrane having hydrophilic coating layer on hydrophobic support membrane | |
| KR101035717B1 (en) | A preparation of asymmetric porous PEBA membrane for composite membrane | |
| CN106867017B (en) | Microporous membrane with controllable pore diameter and preparation method thereof | |
| CN109265731A (en) | Waterproof ventilated membrane and preparation method thereof | |
| CN116764606B (en) | BPA molecular imprinting PAN/MOF nanofiber polymer membrane and preparation method and application thereof | |
| CN107921377A (en) | Gas separation membrane | |
| CN113996188B (en) | Degradable Janus membrane material and preparation method and application thereof | |
| JP2011011349A (en) | Moisture-permeable waterproof film excellent in heat insulating property | |
| TW202103773A (en) | Selectively permeable polymeric membrane | |
| JP6243481B2 (en) | Water separation composite membrane | |
| CN113279268B (en) | Macromolecular large-mesh breathable rainwater-proof mesh cloth and processing technology thereof | |
| JPS62140608A (en) | Composite semipermeable membrane, its production, and treatment of aqueous solution | |
| CN110936683B (en) | Waterproof moisture-permeable functional cellulose-based porous composite material and preparation and application thereof | |
| Zhao et al. | Tailoring Unidirectional Water‐Penetration Janus Fabric with Surface Electrospun Deposition | |
| CN115537139B (en) | Waterproof breathable TPU high-low temperature film and preparation method thereof | |
| CN115491442B (en) | Rapid moisture-absorbing sweat-releasing unidirectional moisture-conducting leather and preparation method thereof | |
| TWI764382B (en) | Composite textile product | |
| CN112663348A (en) | Multilayer embedded waterproof film and preparation method thereof | |
| JPH0432737B2 (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190429 Address after: 528300 Guanglong Industrial Park, Chencun Town, Shunde District, Foshan City, Guangdong Province, No. 6, No. 14 Xingye Road Applicant after: Guangdong Liancheng Housing Equipment Information Technology Co., Ltd. Address before: 315832 Room 118, No.1 Office Building, Meishan Salt Farm, Beilun District, Ningbo City, Zhejiang Province Applicant before: Ningbo Liancheng Housing Technology Co., Ltd. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 528000 No. 1, Peilong Road, longyongkou village, Ronggui street, Shunde District, Foshan City, Guangdong Province (residence declaration) Patentee after: Guangdong Ruizhu residential technology Co.,Ltd. Address before: 528300 Guanglong Industrial Park, Chencun Town, Shunde District, Foshan City, Guangdong Province, No. 6, No. 14 Xingye Road Patentee before: GUANGDONG REMAC EQUIPMENT INFORMATION TECHNOLOGY Co.,Ltd. |
|
| CP03 | Change of name, title or address |