CN106223019A - A kind of preparation method of cross-linking polyvinyl alcohol nano fibrous membrane - Google Patents
A kind of preparation method of cross-linking polyvinyl alcohol nano fibrous membrane Download PDFInfo
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- CN106223019A CN106223019A CN201610699394.3A CN201610699394A CN106223019A CN 106223019 A CN106223019 A CN 106223019A CN 201610699394 A CN201610699394 A CN 201610699394A CN 106223019 A CN106223019 A CN 106223019A
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- Prior art keywords
- pva
- fibrous membrane
- nano fibrous
- exsiccator
- dividing plate
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/12—Aldehydes; Ketones
- D06M13/123—Polyaldehydes; Polyketones
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0015—Electro-spinning characterised by the initial state of the material
- D01D5/003—Electro-spinning characterised by the initial state of the material the material being a polymer solution or dispersion
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
- D01D5/0069—Electro-spinning characterised by the electro-spinning apparatus characterised by the spinning section, e.g. capillary tube, protrusion or pin
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING 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
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-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
- D04H1/42—Non-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 characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4282—Addition polymers
- D04H1/4309—Polyvinyl alcohol
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/07—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof
- D06M11/11—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof with halogen acids or salts thereof
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/18—Synthetic fibres consisting of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/24—Polymers or copolymers of alkenylalcohols or esters thereof; Polymers or copolymers of alkenylethers, acetals or ketones
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Artificial Filaments (AREA)
Abstract
A kind of preparation method of cross-linking polyvinyl alcohol nano fibrous membrane, first prepare PVA nano fibrous membrane, prepare glutaraldehyde cross-linking PVA nano fibrous membrane, measure glutaraldehyde (GA) that 10mL mass fraction is 20% and 10mL mass fraction is the hydrochloric acid of 18%, pour in 2 identical culture dishs respectively, it is put into together exsiccator dividing plate lower end, variable color silica gel is put in exsiccator dividing plate upper end, Glass rod is put into exsiccator dividing plate upper end, PVA fibrous membrane is fixed on Glass rod, in the environment of room temperature is closed, carry out the gas phase crosslinking Treatment of 5.5h respectively.The invention has the beneficial effects as follows: synthesis technique is simple, reaction condition is gentle, and production cost is relatively low, favorable repeatability.
Description
Technical field
The present invention relates to material synthesis method, the preparation method of a kind of cross-linking polyvinyl alcohol nano fibrous membrane.
Background technology
Electrostatic spinning is simple by manufacturing device, and spinning is with low cost, it is easy to operation, the advantages such as technique is easily controllable,
Through becoming the currently the only method that can prepare polymer nanofiber directly, continuously, also it is to prepare nanofiber the most simply to have
The method of effect, and play great function in fields such as food, cosmetics, biomedicine, the energy, filtering materials.
Polyvinyl alcohol (PVA) is a kind of water soluble polyhydroxy polymer, has good chemical stability and bio-compatible
Property and degradability, avirulence, have preferable hydrophilic, have extensively at aspects such as medical material, cosmetics, food engineerings water
General application.Using biocompatible PVA is macromolecule, is solvent with water, it is also possible to avoid making of toxic organic solvent
With.
PVA can be made nano fibrous membrane by electrostatic spinning technique, possess the stronger absorption affinity of film and relatively
The characteristics such as good filterability, cohesive and heat insulating ability.But there is substantial amounts of hydrophilic group on the main chain of PVA, cause PVA
Nano fibrous membrane water absorption is strong, is prone to dissolve, has a strong impact on the processing of PVA nano fibrous membrane and make in moist environment
Use performance.
Summary of the invention
The technical problem to be solved is to provide the preparation method of a kind of cross-linking polyvinyl alcohol nano fibrous membrane,
A kind of new synthetic method is provided.
The synthetic method that the present invention uses, comprises the steps:
A, preparation PVA nano fibrous membrane, be dissolved in PVA in the mixed solution of ultra-pure water and formic acid volume ratio 3:1, be placed in 80
DEG C constant temperature oscillator in dissolve 12h, prepared mass fraction is the PVA solution of 12.5%, the PVA spinning that will have configured
Liquid is poured in the 5mL glass syringe being furnished with 9# rustless steel syringe needle, uses the syringe needle scabbled as nozzle needle, and internal diameter is 0.7mm,
Nozzle needle connects the positive pole of high voltage power supply, and aluminium foil fiber receives plate and connects its negative pole, and spray volume is set by syringe pump control, injection electric
Being set to 12kV, the distance between nozzle needle and aluminium foil is 15cm, spinning speed 0.6mL/h, and ambient temperature (20 ± 5) DEG C is the wettest
Degree 30% ± 5%；
B, prepare glutaraldehyde cross-linking PVA nano fibrous membrane, measure glutaraldehyde (GA) that 10mL mass fraction is 20% and
10mL mass fraction is the hydrochloric acid of 18%, pours into respectively in 2 identical culture dishs, it is put into together under exsiccator dividing plate
End, puts variable color silica gel in exsiccator dividing plate upper end, Glass rod is put into exsiccator dividing plate upper end, PVA fibrous membrane is fixed on
On Glass rod, in the environment of room temperature is closed, carry out the gas phase crosslinking Treatment of 5.5h respectively.
The invention has the beneficial effects as follows: synthesis technique is simple, reaction condition is gentle, and production cost is relatively low, favorable repeatability.
Detailed description of the invention
Further illustrating present disclosure below in conjunction with example, as known by the technical knowledge, the present invention also can pass through other
The scheme without departing from the technology of the present invention feature describe, the most all within the scope of the present invention or equivalent the scope of the invention in
Change and be all included in the invention.
Embodiment 1:
A, preparation PVA nano fibrous membrane, be dissolved in PVA in the mixed solution of ultra-pure water and formic acid volume ratio 3:1, be placed in 80
DEG C constant temperature oscillator in dissolve 12h, prepared mass fraction is the PVA solution of 12.5%, the PVA spinning that will have configured
Liquid is poured in the 5mL glass syringe being furnished with 9# rustless steel syringe needle, uses the syringe needle scabbled as nozzle needle, and internal diameter is 0.7mm,
Nozzle needle connects the positive pole of high voltage power supply, and aluminium foil fiber receives plate and connects its negative pole, and spray volume is set by syringe pump control, injection electric
Being set to 12kV, the distance between nozzle needle and aluminium foil is 15cm, spinning speed 0.6mL/h, ambient temperature (20+5) DEG C, relative humidity
30%+5%；
B, prepare glutaraldehyde cross-linking PVA nano fibrous membrane, measure glutaraldehyde (GA) that 10mL mass fraction is 20% and
10mL mass fraction is the hydrochloric acid of 18%, pours into respectively in 2 identical culture dishs, it is put into together under exsiccator dividing plate
End, puts variable color silica gel in exsiccator dividing plate upper end, Glass rod is put into exsiccator dividing plate upper end, PVA fibrous membrane is fixed on
On Glass rod, in the environment of room temperature is closed, carry out the gas phase crosslinking Treatment of 5.5h respectively.
Embodiment 2:
A, preparation PVA nano fibrous membrane, be dissolved in PVA in the mixed solution of ultra-pure water and formic acid volume ratio 3:1, be placed in 80
DEG C constant temperature oscillator in dissolve 12h, prepared mass fraction is the PVA solution of 12.5%, the PVA spinning that will have configured
Liquid is poured in the 5mL glass syringe being furnished with 9# rustless steel syringe needle, uses the syringe needle scabbled as nozzle needle, and internal diameter is 0.7mm,
Nozzle needle connects the positive pole of high voltage power supply, and aluminium foil fiber receives plate and connects its negative pole, and spray volume is set by syringe pump control, injection electric
Being set to 12kV, the distance between nozzle needle and aluminium foil is 15cm, spinning speed 0.6mL/h, ambient temperature (20-5) DEG C, relative humidity
30%-5%；
B, prepare glutaraldehyde cross-linking PVA nano fibrous membrane, measure glutaraldehyde (GA) that 10mL mass fraction is 20% and
10mL mass fraction is the hydrochloric acid of 18%, pours into respectively in 2 identical culture dishs, it is put into together under exsiccator dividing plate
End, puts variable color silica gel in exsiccator dividing plate upper end, Glass rod is put into exsiccator dividing plate upper end, PVA fibrous membrane is fixed on
On Glass rod, in the environment of room temperature is closed, carry out the gas phase crosslinking Treatment of 5.5h respectively.
By experiment, when PVA mass fraction is 12.5%, best by SEM photograph fiber morphology.
By experiment, when crosslinking time is 5.5h, the water absorbent rate of fibrous membrane reaches maximum, for 905g/g.
Claims (1)
1. a preparation method for cross-linking polyvinyl alcohol nano fibrous membrane, comprises the steps:
A, preparation PVA nano fibrous membrane, be dissolved in PVA in the mixed solution of ultra-pure water and formic acid volume ratio 3:1, be placed in 80
DEG C constant temperature oscillator in dissolve 12h, prepared mass fraction is the PVA solution of 12.5%, the PVA spinning that will have configured
Liquid is poured in the 5mL glass syringe being furnished with 9# rustless steel syringe needle, uses the syringe needle scabbled as nozzle needle, and internal diameter is 0.7mm,
Nozzle needle connects the positive pole of high voltage power supply, and aluminium foil fiber receives plate and connects its negative pole, and spray volume is set by syringe pump control, injection electric
Being set to 12kV, the distance between nozzle needle and aluminium foil is 15cm, spinning speed 0.6mL/h, and ambient temperature (20 ± 5) DEG C is the wettest
Degree 30% ± 5%；
B, prepare glutaraldehyde cross-linking PVA nano fibrous membrane, measure glutaraldehyde (GA) that 10mL mass fraction is 20% and
10mL mass fraction is the hydrochloric acid of 18%, pours into respectively in 2 identical culture dishs, it is put into together under exsiccator dividing plate
End, puts variable color silica gel in exsiccator dividing plate upper end, Glass rod is put into exsiccator dividing plate upper end, PVA fibrous membrane is fixed on
On Glass rod, in the environment of room temperature is closed, carry out the gas phase crosslinking Treatment of 5.5h respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610699394.3A CN106223019A (en) | 2016-08-22 | 2016-08-22 | A kind of preparation method of cross-linking polyvinyl alcohol nano fibrous membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610699394.3A CN106223019A (en) | 2016-08-22 | 2016-08-22 | A kind of preparation method of cross-linking polyvinyl alcohol nano fibrous membrane |
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| CN106223019A true CN106223019A (en) | 2016-12-14 |
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| CN201610699394.3A Pending CN106223019A (en) | 2016-08-22 | 2016-08-22 | A kind of preparation method of cross-linking polyvinyl alcohol nano fibrous membrane |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108654394A (en) * | 2018-05-29 | 2018-10-16 | 南京林业大学 | A kind of nanofiber cation-exchange membrane and the preparation method and application thereof |
| CN111876405A (en) * | 2020-08-10 | 2020-11-03 | 山东华熙海御生物医药有限公司 | Method for immobilizing enzyme on nanofiber |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1600855A (en) * | 2004-08-06 | 2005-03-30 | 天津大学 | Nano superfine fiber membrane of polyvinyl alcohol with immovable cellulase |
-
2016
- 2016-08-22 CN CN201610699394.3A patent/CN106223019A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1600855A (en) * | 2004-08-06 | 2005-03-30 | 天津大学 | Nano superfine fiber membrane of polyvinyl alcohol with immovable cellulase |
Non-Patent Citations (1)
| Title |
|---|
| 朱广千 等: "交联聚乙烯醇纳米纤维膜的制备与性能研究", 《化工新型材料》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108654394A (en) * | 2018-05-29 | 2018-10-16 | 南京林业大学 | A kind of nanofiber cation-exchange membrane and the preparation method and application thereof |
| CN108654394B (en) * | 2018-05-29 | 2020-08-25 | 南京林业大学 | Nanofiber cation exchange membrane and preparation method and application thereof |
| CN111876405A (en) * | 2020-08-10 | 2020-11-03 | 山东华熙海御生物医药有限公司 | Method for immobilizing enzyme on nanofiber |
| CN111876405B (en) * | 2020-08-10 | 2022-07-15 | 山东华熙海御生物医药有限公司 | Method for immobilizing enzyme on nano fiber |
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Application publication date: 20161214 |