CN108950722A - A kind of multi-functional incorgruous fiber and the method prepared in such a way that poor solvent is cured - Google Patents
A kind of multi-functional incorgruous fiber and the method prepared in such a way that poor solvent is cured Download PDFInfo
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- CN108950722A CN108950722A CN201710366132.XA CN201710366132A CN108950722A CN 108950722 A CN108950722 A CN 108950722A CN 201710366132 A CN201710366132 A CN 201710366132A CN 108950722 A CN108950722 A CN 108950722A
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- fiber
- incorgruous
- poor solvent
- solution
- functional
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/08—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyacrylonitrile as constituent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/30—Micromixers
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/02—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from cellulose, cellulose derivatives, or proteins
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/10—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one other macromolecular compound obtained by reactions only involving carbon-to-carbon unsaturated bonds as constituent
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/14—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/16—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one other macromolecular compound obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds as constituent
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention, which provides, a kind of prepares multi-functional incorgruous fiber producing processes and device using poor solvent, the incorgruous fiber of different sides number can be obtained in quantity by changing channel, simultaneously, change the shape of channel exit shell structure, it can get each incorgruous fiber of different-shape, polymer solution is pushed into the solution for receiving bath and is solidified into fiber to get target fibers, the collection of fiber is collected by pulley, collection device.The present invention has started a kind of method for not obtaining fiber continuously in such a way that any chemistry or ultraviolet light solidify etc., the present invention is that the preparation method of fiber is prepared using water as poor solvent, the especially incorgruous fiber of multi-panel, the fiber multifunctional of a micron level can be assigned, experimental facilities is simple, it is easy assembling, material therefor is pollution-free degradation material, used method is simple, green, prepares rapid, size uniformity, based on these advantages, wider potential application is had with each incorgruous fiber prepared by the method.
Description
Technical field
The invention belongs to polymer-function material fields, and in particular to it is a kind of prepared in such a way that poor solvent is cured it is more
The method of the incorgruous fiber of function.
Background technique
Fiber refers to the substance being made of continuous or discontinuous filament.There is many natural fibers in nature,
Fiber, such as jute, wool, mineral fibres can be obtained into mineral from plant, animal, in animal and plant body, fiber exists
It is extensive to maintain the organizational aspects fiber applications that play an important role, fiber can also be made into filament, the end of a thread and the rope made of hemp, papermaking or knit felt
When can also be made into fibrous layer；It is also commonly used to manufacture unclassified stores simultaneously, and collectively constitutes composite material with unclassified stores.At me
Daily life in natural fiber be seen everywhere, compared with natural fiber, chemical fibre is a kind of to add by chemical means
Fiber obtained from work processing, and have extensive source and type, important application is suffered from many industries, such as
The numerous areas such as textile industry, military affairs, medicine, environmental protection, building, biomaterial receive great attention.Scientific and technical quick
Today of development, uniform material, simple function fiber can no longer meet the demand of people, the preparation of composite fibre seems outstanding
For necessity.For traditional fiber producing processes, such as melt spinning, wet spinning, electrostatic spinning, since it is in technique
With the limitation in terms of principle, difficulty is encountered on preparing labyrinth and multi-functional fiber, especially in medicament slow release control
Release, the fields such as bioengineering, uniform material, simple function fiber be difficult or be unable to satisfy the intelligent release of drug and make
For the requirement of organization bracket, the measurements of the chest, waist and hips carrier etc. of cell culture.
Micro-fluidic is the fluid technique in other size in the micron-scale, have device is simple, small in size, liquid flowing is controllable,
The microfiuidic channel devices that the advantages that sample is few, easily operated is prepared using micro-fluidic technologies are consumed, can be controlled well each
The realization of the composition, multifunction of incorgruous fiber has very well in the field of medicament slow release controlled release, genomics, cell culture
Application prospect and space.Traditional microfluid means mostly prepare fiber or microballoon by continuous mobile phase, and flowing mixes
Liquid generally selects methyl-silicone oil, n-hexadecane, paraffin oil, soybean oil etc..Continue the equal impurity, not green enough of introducing using organic
Color, and the step of post-processing and solidify, separating is complex, and which limits its applications in fields such as biology, so
It is imperative that the new method of simple green is established, meanwhile, the exploitation of new method and the incorgruous fiber synthesis of multi-panel are still a tool
Challenging task.
Summary of the invention
The purpose of this section is to summarize some aspects of the embodiment of the present invention and briefly introduce some preferred embodiments.
It may do a little simplified or be omitted in order to avoid making this part, saying in the abstract of description and denomination of invention of this part and application
The purpose of bright book extract and denomination of invention is fuzzy, and this simplification or omission cannot be used for limiting the scope of the invention.
In view of the technological gap of above-mentioned and/or existing multifunctional fibre, the present invention is proposed.
Therefore the one of purpose of the present invention is to solve prior art deficiency, is provided a kind of cured using poor solvent
Mode prepares multi-functional incorgruous fiber.
In a preferred embodiments example of the invention, the shape of the multiple component structure is identical or different.
In a preferred embodiments of the invention, the fiber is by polyacrylonitrile, cellulose acetate-phthalate, second
One of base cellulose, cellulose acetate, polystyrene, polycaprolactone, polyurethane or multiple material composition.
In order to solve the above technical problems, the technical solution adopted by the present invention is that: each incorgruous fibre described in a kind of prepare is provided
The preparation method of dimension, prepared fiber are realized by microfluidic device, comprising the following steps:
Firstly, micro fluidic device is built
Using microfluid processing technology, constructing different port numbers and channel exit using microchannel has different shell structures
Microfluidic device, while being equipped with small excessive pulley and fiber collector:
Secondly, the preparation step of multifunctional fibre:
One or more polymer are respectively charged into syringe using the pump housing, respective microchannel entrance is connected, uses numerical control
Syringe pump controls the flow velocity of a polymer solution in each microchannel, and microfluidic device end is inserted into the reception device being filled with water
In, each incorgruous multi-functional microfibre can be obtained in such a way that poor solvent is cured.
It the cross section of the shell structure of the channel exit described in preferred embodiments of the invention can be with shape-variable, such as
Circle, rectangle, zigzag or diamond shape etc., the channel are one or more, and each channel is independent of one another and arranged in parallel.
In preferred embodiments of the invention, it is bad that the curing method, which is with distilled water, ethyl alcohol or both mixture,
The method of solvent cures.
In preferred embodiments of the invention, the collection mode is that the roller of different revolutions is collected, and can control and collects fibre
The thickness of dimension.
Beneficial effects of the present invention, preparation process is simple, used method green, quick, fiber antarafacial quantity, shape
Looks, size are adjustable, and favorable repeatability, are based on these advantages, are had with each incorgruous functional fibre prepared by the method wider
General potential application.
Detailed description of the invention
Fig. 1 is the schematic diagram of complete fiber preparation and collection device of the invention.
In attached drawing each component label it is as follows: 1, single channel 2, single channel 3, single channel 4, shape changeable it is shelly-shaped
Structure, 5, the reception device 6 of poor solvent, the small excessive pulley 7 of auxiliary fiber collection, rotation collection device 8, digit control electricity
Machine
Specific embodiment
In order to keep the above objects, features and advantages of the present invention more obvious and easy to understand, combined with specific embodiments below to this
The specific embodiment of invention does the explanation put in detail, defines to make relatively sharp point to protection scope of the present invention.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, but the present invention can be with
Implemented using other than the one described here other modes, those skilled in the art can be without prejudice to intension of the present invention
In the case where do similar popularization, therefore the present invention is not limited by specific embodiment.
Secondly, " one embodiment " or " embodiment " referred to herein, which refers to, may be included at least one realization side of the invention
A particular feature, structure, or characteristic in formula." in one embodiment " that different places occur in the present specification not refers both to
The same embodiment, nor the individual or selective embodiment mutually exclusive with other embodiments.
Preferably, the polymers compositions in each channel is identical or different.
Preferably, the fiber is by polyacrylonitrile, cellulose acetate-phthalate, ethyl cellulose, acetate fiber
One of element, polystyrene, polycaprolactone, polyurethane or multiple material composition, solvent DMF.
In order to solve the above technical problems, the technical solution adopted by the present invention is that: it provides multi-functional each described in a kind of prepare
The preparation method of incorgruous fiber, prepared fiber are realized by microfluidic device, comprising the following steps:
Firstly, micro fluidic device is built
Using microfluid processing technology, constructing different port numbers and channel exit using microchannel has different shell structures
Microfluidic device, while being equipped with transition truckle and fiber collector:
Secondly, the preparation step of multifunctional fibre:
One or more polymer are respectively charged into syringe using the pump housing, respective microchannel entrance is connected, uses numerical control
Syringe pump controls the flow velocity of a polymer solution in each microchannel, and microfluidic device end is inserted into the reception device being filled with water
In, each incorgruous multi-functional microfibre can be obtained in such a way that poor solvent is cured.
Preferably, the cross section of the shell structure of the channel exit can with shape-variable, such as circle, rectangle,
Zigzag or diamond shape etc., the channel are one or more.
Preferably, the curing method is using water, ethyl alcohol or both mixture as poor solvent, and principle: water or alcohol are
The solvent (DMF) of the poor solvent of selected polymer, polymer is water-soluble or alcohol, and polymer is not soluble in water, as a result causes
Polymer meeting instantaneous solidification is at microballoon.
Preferably, the collection mode is that the roller of different revolutions is collected, and can control the thickness for collecting fiber.
The present invention utilizes microflow control technique, and the microfluidic device of multichannel of the design and assembly with shell structure passes through adjusting
The type and flow velocity of the polymer solution in each channel prepare each incorgruous multifunctional fibre, the type and function of each component polymer
It can be carried out differentiation.Polymer solution of different nature (or functional molecular or particle etc. are added in different polymer) is selected to carry out
Fiber preparation, each incorgruous fiber that different function can be prepared are compared with traditional fiber producing processes, can realize fibre first
The multifunction of dimension, it is easy to operate, method is green, receives application in some biological correlations secondly, the device of the invention is simple
It is stronger.Specific preparation method the following steps are included:
The present invention provides a kind of preparation sides that the incorgruous multifunctional fibre of multi-panel is prepared in such a way that poor solvent is cured
Method comprising three steps:
Solution is pushed into reception device；
Fiber is solidified into get target fibers in collection device solution into the fluid in reception device.
Fiber is collected with certain revolution with roller collector；
Step 1: certain density nanoparticle or drug are added in polymer solution, sufficiently oscillation or ultrasound is mixed
Even (these polymer can be used alone), polymer can be polyacrylonitrile, cellulose acetate-phthalate, ethyl cellulose
One of element, cellulose acetate, polystyrene, polycaprolactone, polyurethane, the different channels of microfluidic device can be with same
Kind polymer solution or different polymer solutions, poor solvent is aqueous solution.
Step 2: using promoting pump that one or more polymer solutions are pushed into channel, in the shell portion of channel exit
Collect at part, touch the poor solvent in reception device and be solidified into fiber immediately, furthermore passes through the shape of change channel envelope
It can get the fiber of different shape and surface texture.
Step 3: obtaining the multi-functional incorgruous fiber of different-diameter by the gathering speed for adjusting collector.
Embodiment 1 has the preparation of each incorgruous multifunctional fibre of two component structures:
1. the building of microfluidic device:
Using the method for micromechanics and manual processing, microfluidic channel, including each single channel component and channel are prepared
The shell structure component in exit, shell structure component are circular configuration.
2. the preparation of fiber
(1) configuration of various polymer solutions:
0.2 nano ferriferrous oxide particle is added in the polyacrylonitrile solution of polymer solution 1:10%.
Polymer solution 2:11% cellulose acetate solution, the cumarin for entraining into 1% is model drug
(2) formation and solidification of fiber
Above two solution is respectively charged into different syringes, connects respective microchannel entrance, microfluidic device goes out
Mouth is immersed in distilled water liquid level hereinafter, controlling the flowing velocity of two-phase polymer solution using numerical control syringe pump, starts roller
Collection device collects fiber, and fiber has the taxis of height, and obtaining fiber is the circular two-sided incorgruous fibre with magnetic response
Dimension, can be used for medicament slow release.
The preparation of the incorgruous multifunctional fibre in 2 three face of embodiment
1. the building of microfluidic device:
Using the method for micromechanics and manual processing, microfluidic channel, including each single channel component and channel are prepared
The shell structure component (shell-like structure is circle) in exit.
2. the preparation of fiber
(1) configuration of every polymer solution:
Polymer solution 1: Cellulose Acetate Phthalate solution is faced in configuration 25%, and the cumarin for wrapping up 1% is model drug
Object.
Polymer solution 2: 30% polystyrene solution of configuration wraps up 1% Ag nanoparticle and 1% cumarin is mould
Type drug.
Polymer solution 3: 20% polycaprolactone solution is configured, 0.5% ferriferrous oxide nano-particle is wrapped up.
(2) formation and solidification of fiber
Above-mentioned three kinds of solution is respectively charged into different syringes, respective microchannel entrance is connected, by microfluidic device
Hereinafter, controlling the flowing velocity of three-phase polymer solution using numerical control syringe pump, after regulating, i.e., outlet is immersed in water level
Fiber can be carried out solidifying and being collected by adjusting the revolution of collector, obtain ringing pH response, near-infrared response and magnetic
The multi-functional incorgruous fiber answered is, it can be achieved that drug multiple response discharges.
The preparation of the incorgruous multifunctional fibre in 3 five face of embodiment
1. the building of microfluidic device:
Using the method for micromechanics and manual processing, microfluidic channel, including each single channel component and channel are prepared
The shell structure component (shell-like structure is zigzag) in exit.
2. the preparation of fiber
(1) configuration of every polymer solution:
Polymer solution 1: Cellulose Acetate Phthalate solution is faced in configuration 10%, and the cumarin for wrapping up 1% is model drug
Object.
Polymer solution 2: Cellulose Acetate Phthalate solution is faced in configuration 20%, and the cumarin for wrapping up 1% is model drug
Object.
Polymer solution 3: configuring 10% polycaprolactone solution, wraps up 0.5%Ag nanoparticle ferriferrous oxide nano
Particle and 1% rhodamine be model drug
Polymer solution 4: configuring 20% polycaprolactone solution, and wrapping up 1%Ag nanoparticle and 1% rhodamine is mould
Type drug.
Polymer solution 5: configuring 15% polyurethane solutions, wraps up 0.5% ferriferrous oxide nano-particle.
(2) formation and solidification of fiber
Above-mentioned five kinds of solution is respectively charged into different syringes, respective microchannel entrance is connected, by microfluidic device
Exit immerse poor solvent water level hereinafter, control the flowing velocity of each gathering polymer solution using numerical control syringe pump,
After adjusting flow velocity, fiber can be solidified and be collected, obtain the fiber that outer surface is laciniation, fiber is double carries
Medicine can be achieved to discharge stage by stage, while have near-infrared response and magnetic response, and obtain that double load medicines, multiple response, stage can be achieved
Property release multifunctional fibre.
, it can be achieved that the synchronous package of drug or other function nano materials, can be applied to medicine in the preparation process of fiber
The fields such as object release, organizational project, cell culture.
The present invention can prepare the incorgruous fiber of multi-panel, benefit by utilizing microflow control technique in such a way that poor solvent is cured
Multifunctional fibre can be easily realized with the polymer difference of each incorgruous fiber of composition and the functional particle difference of addition etc.
Preparation, meanwhile, preparation process is simple, efficient, green and appearance and size is controllable, reproducible.
Claims (5)
1. a kind of method for preparing multifunctional fibre, which is characterized in that the fiber is prepared by micro-fluidic method, packet
Include following steps:
Firstly, micro fluidic device is built
Using microfluid processing technology, microfluidic device, the fiber collector of different port numbers are constructed using microchannel:
Secondly, the preparation step of multifunctional fibre:
One or more polymer are respectively charged into syringe using the pump housing, respective microchannel entrance is connected, is injected with numerical control
Pump controls the flow velocity of a polymer solution in each microchannel, and device end is inserted into the reception device for containing distilled water, utilizes
Each incorgruous multi-functional microfibre can be obtained in the cured mode of poor solvent.
Finally, collecting fiber using roller collection device
2. the method as described in claim 1, it is characterised in that by one or more inner passages, that are constituted microfluid, and logical
There is the shell-like structure for collecting effect together in the exit in road, and the exit of shell-like structure can be processed into different structures.
3. the method according to claim 1, wherein polymer solution comes from polyacrylonitrile, phthalic acid esters
One of acid cellulose, ethyl cellulose, cellulose acetate, polystyrene, polycaprolactone, polyurethane are a variety of.
4. according to the method described in claim 1, the reception device solution, as bad molten for deionized water or ethyl alcohol
Agent is placed on the lower section of the preparation facilities, it is characterised in that the curing method is poor solvent solidification method.
The target fibers are one of homo-fibre, 2,3,4,5,6,7, the 8 incorgruous fibers in face or a variety of.
5. being placed on the side of reception device according to the method described in claim 1, collector is rotary drum collector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710366132.XA CN108950722A (en) | 2017-05-17 | 2017-05-17 | A kind of multi-functional incorgruous fiber and the method prepared in such a way that poor solvent is cured |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710366132.XA CN108950722A (en) | 2017-05-17 | 2017-05-17 | A kind of multi-functional incorgruous fiber and the method prepared in such a way that poor solvent is cured |
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| CN108950722A true CN108950722A (en) | 2018-12-07 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110004506A (en) * | 2019-04-17 | 2019-07-12 | 中国科学院长春应用化学研究所 | A kind of micro-fluidic device for spinning and method |
| CN111663197A (en) * | 2019-03-08 | 2020-09-15 | 南京林业大学 | Method for preparing anisotropic multifunctional fibers by using gas |
| CN112921436A (en) * | 2021-03-08 | 2021-06-08 | 南京鼓楼医院 | Fiber wrapping perovskite quantum dots, preparation method and device |
-
2017
- 2017-05-17 CN CN201710366132.XA patent/CN108950722A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111663197A (en) * | 2019-03-08 | 2020-09-15 | 南京林业大学 | Method for preparing anisotropic multifunctional fibers by using gas |
| CN110004506A (en) * | 2019-04-17 | 2019-07-12 | 中国科学院长春应用化学研究所 | A kind of micro-fluidic device for spinning and method |
| CN112921436A (en) * | 2021-03-08 | 2021-06-08 | 南京鼓楼医院 | Fiber wrapping perovskite quantum dots, preparation method and device |
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