CN105754119A - Method for preparing nylon-6 porous polymer membrane - Google Patents
Method for preparing nylon-6 porous polymer membrane Download PDFInfo
- Publication number
- CN105754119A CN105754119A CN201610146801.8A CN201610146801A CN105754119A CN 105754119 A CN105754119 A CN 105754119A CN 201610146801 A CN201610146801 A CN 201610146801A CN 105754119 A CN105754119 A CN 105754119A
- Authority
- CN
- China
- Prior art keywords
- nylon
- acid
- polymeric film
- apertured polymeric
- preparation
- 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
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
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- 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
- C08J9/30—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by mixing gases into liquid compositions or plastisols, e.g. frothing with air
-
- 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
- C08J2377/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
- C08J2377/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
The invention relates to a method for preparing nylon-6 porous polymer membrane, comprising: dissolving nylon-6 slices in an acid solution, stirring at 50-80 DEG C for 2-6 h to obtain nylon-6 mixed acid solution; pushing the nylon-6 mixed acid solution through an injecting pump, dropping in deionized water in a container through a capillary tube so as to obtain the nylon-6 porous polymer membrane on a deionized water and air interface.A preparation process of the method requires no any special equipment, the technique is simple, the cost is low, and the prepared nylon-6 porous polymer membrane has uniform pore diameter and controllable thickness and is applicable to the fields such as separation, adsorption and sensing fields.
Description
Technical field
The invention belongs to the preparation field of polymer film, particularly to the preparation method of a kind of nylon 6 apertured polymeric film.
Background technology
Apertured polymeric film separating, adsorb, the field such as sensing has potential using value, thus causes researcher's
Extensive concern.But traditional method preparing apertured polymeric film is mainly based on template, preparation flow length, complex process,
With high costs, limit it and be widely applied.
Nylon 6 has excellent impact resistance and antilysis due to it, and has the using value of excellence under numerous environment.
Summary of the invention
The technical problem to be solved is to provide the preparation method of a kind of nylon 6 apertured polymeric film, the method achieves
The preparation of the apertured polymeric film that size, thickness are controlled.Gained porous nylon membrane even pore distribution, film pliability is good.
A kind of preparation method of nylon 6 apertured polymeric film of the present invention, including:
(1) nylon 6 slice is dissolved in acid solution, 50-80 DEG C of stirring 2-6h, obtains nylon 6 mixed acid solution；
(2) nylon 6 mixed acid solution that stirring in step (1) obtains is advanced by syringe pump, enter capillary, in room
Instill in the deionized water received in container through capillary under temperature, nylon 6 porous polymeric can be obtained in deionized water-Air Interface
Thing film；Wherein, the propelling speed of syringe pump is 5～50mL/min, and the internal diameter of capillary is 0.25～5mm, deionized water
Temperature is 0～80 DEG C.
In described step (1), nylon 6 slice is 1:10-1:30 with the mass ratio of acid solution.
In described step (1) acid solution be the concentrated sulfuric acid, hydrochloric acid, formic acid, nitric acid, acetic acid, propionic acid, butyric acid, octanoic acid, adipic acid,
At least one in ethanedioic acid, phthalic acid and terephthalic acid (TPA).
In described step (2), capillary is polytetrafluoroethylene (PTFE) material.
In described step (2), nylon 6 apertured polymeric film can be by cellulose membrane, AAO film, PET, PS, aluminium foil, copper
Paper tinsel, titanium foil or titanium net etc. are transferred to material requested surface.
In described step (2), the thickness of nylon 6 porous polymer film is 2～8 μm, and aperture is 300～1000nm.
It is desirable to provide a kind of low cost, the controlled technology of preparing of efficient nylon 6 apertured polymeric film.
The present invention regulates and controls the thickness of gained film by the propelling speed of regulation syringe pump and the caliber of selection capillary；By adjusting
The temperature of joint deionized water regulates and controls the size of nylon 6 membrane pore size.
This method preparation process is without any special installation, and technique is simple, with low cost, prepared nylon 6 porous polymer
Membrane aperture is uniform, and thickness is controlled, can be applicable to separate, adsorbs, the field such as sensing.
Beneficial effect
(1) present invention uses the nylon of impact resistance and good corrosion resistance as raw material, and gained film mechanical performance is excellent, can be applicable to
Separate, adsorb, the field such as sensing；
(2) present invention uses solvent method pore-creating, gained even pore distribution, and pore-creating efficiency is high, and thickness is controlled；
(3) preparation process of the present invention is without template, and method is simple, and flow process is short, and technique is simple, and preparation efficiency is high, with low cost, easily
In industrial popularization.
Accompanying drawing explanation
Fig. 1 is the SEM figure of nylon 6 apertured polymeric film in embodiment 1；Wherein, a) it is surface；B) it is section；
Fig. 2 is: a) embodiment 1 gained nylon 6 apertured polymeric film pliability test curve；B) embodiment 1 and 2 gained nylon
6 apertured polymeric film tensile property contrasts.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is expanded on further.Should be understood that these embodiments be merely to illustrate the present invention and not
For limiting the scope of the present invention.In addition, it is to be understood that after having read the content that the present invention lectures, those skilled in the art can
To make various changes or modifications the present invention, these equivalent form of values fall within the application appended claims limited range equally.
Embodiment 1
(1) being dissolved in formic acid solution by nylon 6 slice, section and acid solution mass ratio are 1:15；Again by solution at 60 DEG C
Magnetic agitation 5h under environment；
(2) nylon 6 mixed acid solution that step 1 stirring obtains is advanced by syringe pump, enter capillary, at room temperature warp
Capillary instills in the deionized water received in container, can obtain nylon 6 apertured polymeric film in deionized water-Air Interface；
The propelling speed of regulation syringe pump is 15mL/min, and selecting internal diameter is the capillary of 0.3mm, and gained film thickness is in 5 μm
Left and right；
(3) temperature of deionized water being controlled at 50 DEG C, prepared nylon 6 porous polymer film aperture is 800-1000nm；
(4) nylon 6 porous polymer film that will be formed in deionized water-Air Interface again is transferred to material requested by titanium net
Surface.
Fig. 1 is SEM (SEM) photo: a of gained nylon 6 apertured polymeric film in this embodiment) surface；
B) section.
Fig. 2 a is gained nylon 6 apertured polymeric film pliability test curve in this embodiment.
Embodiment 2
(1) being dissolved in by nylon 6 slice in the concentrated sulfuric acid, adipic acid, formic acid mixed acid solution, section with acid solution mass ratio is
1:20；Again by solution magnetic agitation 4h under 60 DEG C of environment；
(2) nylon 6 mixed acid solution that step 1 stirring obtains is advanced by syringe pump, enter capillary, at room temperature warp
Capillary instills in the deionized water received in container, can obtain nylon 6 apertured polymeric film in deionized water-Air Interface；
The propelling speed of regulation syringe pump is 20mL/min, and selecting internal diameter is the capillary of 0.25mm, and gained film thickness is in 2 μm
Left and right；
(3) temperature of deionized water being controlled at 30 DEG C, prepared nylon 6 porous polymer film aperture is 500-800nm；
(4) nylon 6 porous polymer film that will be formed in deionized water-Air Interface again is transferred to required table by AAO film
Face.
Fig. 2 b is gained nylon 6 apertured polymeric film and gained nylon 6 apertured polymeric film stretching in embodiment 1 in this embodiment
Performance comparison.
Embodiment 3
(1) being dissolved in by nylon 6 slice in acetic acid, formic acid, ethanedioic acid mixed acid solution, section with acid solution mass ratio is
1:25；Again by solution magnetic agitation 4h under 70 DEG C of environment；
(2) nylon 6 mixed acid solution that step 1 stirring obtains is advanced by syringe pump, enter capillary, at room temperature warp
Capillary instills in the deionized water received in container, can obtain nylon 6 apertured polymeric film in deionized water-Air Interface；
The propelling speed of regulation syringe pump is 10mL/min, and selecting internal diameter is the capillary of 2mm, and gained film thickness is left in 8 μm
Right；
(3) temperature of deionized water being controlled at 20 DEG C, prepared nylon 6 porous polymer film aperture is 300-600nm；
(4) nylon 6 porous polymer film that will be formed in deionized water-Air Interface again is transferred to material requested by PET
Surface.
Claims (6)
1. a preparation method for nylon 6 apertured polymeric film, including:
(1) nylon 6 slice is dissolved in acid solution, 50-80 DEG C of stirring 2-6h, obtains nylon 6 mixed acid solution；
(2) nylon 6 mixed acid solution that stirring in step (1) obtains is advanced by syringe pump, enter capillary, in room temperature
Lower in capillary instills the deionized water received in container, nylon 6 porous polymer can be obtained in deionized water-Air Interface
Film；Wherein, the propelling speed of syringe pump is 5～50mL/min, and the internal diameter of capillary is 0.25～5mm, the temperature of deionized water
Degree is 0～80 DEG C.
The preparation method of a kind of nylon 6 apertured polymeric film the most according to claim 1, it is characterised in that described step (1)
Middle nylon 6 slice is 1:10-1:30 with the mass ratio of acid solution.
The preparation method of a kind of nylon 6 apertured polymeric film the most according to claim 1 and 2, it is characterised in that described step
Suddenly in (1) acid solution be the concentrated sulfuric acid, hydrochloric acid, formic acid, nitric acid, acetic acid, propionic acid, butyric acid, octanoic acid, adipic acid, ethanedioic acid,
At least one in phthalic acid and terephthalic acid (TPA).
The preparation method of a kind of nylon 6 apertured polymeric film the most according to claim 1, it is characterised in that described step (2)
Middle capillary is polytetrafluoroethylene (PTFE) material.
The preparation method of a kind of nylon 6 apertured polymeric film the most according to claim 1, it is characterised in that described step (2)
Middle nylon 6 apertured polymeric film is transferred to by cellulose membrane, AAO film, PET, PS, aluminium foil, Copper Foil, titanium foil or titanium net
Material requested surface.
The preparation method of a kind of nylon 6 apertured polymeric film the most according to claim 1, it is characterised in that described step (2)
The thickness of middle nylon 6 porous polymer film is 2～8 μm, and aperture is 300～1000nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610146801.8A CN105754119A (en) | 2016-03-15 | 2016-03-15 | Method for preparing nylon-6 porous polymer membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610146801.8A CN105754119A (en) | 2016-03-15 | 2016-03-15 | Method for preparing nylon-6 porous polymer membrane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105754119A true CN105754119A (en) | 2016-07-13 |
Family
ID=56332075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610146801.8A Pending CN105754119A (en) | 2016-03-15 | 2016-03-15 | Method for preparing nylon-6 porous polymer membrane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105754119A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103270086A (en) * | 2010-12-24 | 2013-08-28 | 富士胶片株式会社 | Polyamide polymer, method for producing same, resin composition, molded product, fiber, film, and porous film |
| CN104629066A (en) * | 2014-05-09 | 2015-05-20 | 中国科学院宁波材料技术与工程研究所 | Film self-assembling preparation method and device thereof |
-
2016
- 2016-03-15 CN CN201610146801.8A patent/CN105754119A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103270086A (en) * | 2010-12-24 | 2013-08-28 | 富士胶片株式会社 | Polyamide polymer, method for producing same, resin composition, molded product, fiber, film, and porous film |
| CN104629066A (en) * | 2014-05-09 | 2015-05-20 | 中国科学院宁波材料技术与工程研究所 | Film self-assembling preparation method and device thereof |
Non-Patent Citations (1)
| Title |
|---|
| 王纯 等: ""对位芳香族聚酰胺多孔膜制备及性能研究"", 《天津工业大学学报》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Bhadra et al. | A bilayered structure comprised of functionalized carbon nanotubes for desalination by membrane distillation | |
| CN103752292B (en) | For the preparation method of the porous Ca-alginate gel beads of heavy metal-polluted water treatment | |
| CN108295667B (en) | Forward osmosis composite membrane based on large-aperture base membrane and preparation method thereof | |
| CN105174246B (en) | A kind of preparation method of grade multi-stage porous carbon ball | |
| Liao et al. | Carbon nanotube/polyaniline nanofiber ultrafiltration membranes | |
| CN105709619A (en) | Positively charged nanofiltration membrane and preparation method thereof | |
| CN103386261B (en) | Super hydrophobic polytetrafluoroethylene hollow fiber membrane preparation method | |
| CN103394297B (en) | Method for preparing hydrophilic polytetrafluoroethylene hollow fiber film | |
| CN107684834B (en) | Intelligent response type graphene-based separation membrane for mixed molecular separation and preparation method thereof | |
| Alver et al. | Synthesis and characterization of chitosan/polyvinylpyrrolidone/zeolite composite by solution blending method | |
| Anuraj et al. | An all-aqueous route to polymer brush-modified membranes with remarkable permeabilites and protein capture rates | |
| CN102068921A (en) | PH sensitive polyvinylidene fluoride gel film and preparation method thereof | |
| CN103962113A (en) | Difunctional cellulose based microsphere adsorbent and preparation method thereof | |
| Fu et al. | Shapeable, underwater superelastic, and highly phosphorylated nanofibrous aerogels for large-capacity and high-throughput protein separation | |
| CN108525529B (en) | High-strength polyethylene microporous membrane, preparation method and application thereof | |
| CN105803679A (en) | Preparation method of pH response type multi-scale structure polyvinylidene fluoride nanofiber membrane | |
| Nigiz et al. | Pervaporative desalination of seawater by using composite and blended poly (vinyl alcohol) membranes | |
| Dou et al. | Self-driven membrane filtration by core–shell polymer composites | |
| CN105754119A (en) | Method for preparing nylon-6 porous polymer membrane | |
| Wang et al. | Development of pectin-based aerogels with several excellent properties for the adsorption of Pb2+ | |
| CN104941464A (en) | Catalytic hollow fiber membrane and preparation method thereof | |
| Li et al. | Biopolymer-Based Hydrogels for Harvesting Water from Humid Air: A Review | |
| Xu et al. | High‐Yield of Nucleic Acid Adsorption via Poly (Vinyl Alcohol‐co‐Ethylene) Nanofiber‐Based Anion‐Exchange Chitosan Aerogel Membrane with Controllable Porosity | |
| CN104119554A (en) | Method for preparing organic porous film by adopting freezing method | |
| CN103861464B (en) | A kind of preparation method of molecular sieve micro mist modification polyvinylidene fluoride film |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160713 |