CN108752824A - A kind of preparation method of dialysis capillary fibers - Google Patents
A kind of preparation method of dialysis capillary fibers Download PDFInfo
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- CN108752824A CN108752824A CN201810625615.1A CN201810625615A CN108752824A CN 108752824 A CN108752824 A CN 108752824A CN 201810625615 A CN201810625615 A CN 201810625615A CN 108752824 A CN108752824 A CN 108752824A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/42—Nitriles
- C08F220/44—Acrylonitrile
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/18—Homopolymers or copolymers of nitriles
- C08L33/20—Homopolymers or copolymers of acrylonitrile
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/12—Applications used for fibers
Abstract
The invention belongs to therapeutic technical fields, and in particular to a kind of preparation method of dialysis capillary fibers.A kind of preparation method of dialysis capillary fibers is：By mass fraction be 100-120 parts of acrylic fiber ternary copolymer fibre, 100-150 parts of solvent, 2-3 parts of auxiliary agent, 0.1-0.2 parts of antioxidant, 1-2 parts of reinforcing agent mix, and solution progress dry method extrusion molding can be obtained by the capillary fibers of required diameter after mixing；A kind of preparation method of dialysis capillary fibers proposed by the present invention；Capillary fibers are prepared by way of continuously squeezing out, and are used as main basis material by adding acrylic fiber ternary copolymer fibre so that the capillary fibers have intensity high, and the excellent performance such as corrosion-resistant can put into routine use.
Description
Technical field
The invention belongs to field of medical technology, and in particular to a kind of preparation method of dialysis capillary fibers.
Background technology
Dialysis is to be diffused into the principle of water (or buffer solution) through semi-permeable membrane by small molecule, and small molecule is divided greatly with biology
A kind of separated separating and purifying technology of son.Dialysis therapy is to make the ingredient (solute or moisture) in body fluid that body be discharged by semi-permeable membrane
Outer therapy generally can be divided into two kinds of haemodialysis and peritoneal dialysis.
101883624 A of Chinese patent application CN disclose the preparation of doughnut, are related to composite hollow fibre capillary
Film, it is especially useful in using dialyzate value and its production method and its purposes especially in blood and peritoneal dialysis.
105693935 A of Chinese patent application CN disclose a kind of hydroxyethyl cellulose modified object of bisexual ion purification and its
Preparation method and purposes, the invention is using ammonium ceric nitrate and disodium ethylene diamine tetraacetate as redox initiation system, using 3- (2-
Methylacryoyloxyethyl dimethylamino) propane sulfonic acid salt zwitterionic monomer to hydroxyethyl cellulose carry out grafting, copolymerization and modification,
The hydroxyethyl cellulose modified object of bisexual ion purification is made.Compared with unmodified hydroxyethyl cellulose, bisexual ion purification ethoxy is fine
The plain modifier of dimension, which is more easy to be attached to capillary tube inner wall surface, forms stable coating, and then reduces protein in capillary tube inner wall table
The absorption in face, the efficiency for improving capillary electrophoresis separation protein；Moreover, modifier coating is formed by also with wider
The pH scope of applications, variety classes, different isoelectric point protein macromolecule can more effectively be detached.
But it is still grown a lot space with capillary fibers field in dialysis, because the invention proposes a kind of dialysis use
The preparation method of capillary fibers.
Invention content
In order to achieve the purpose that in background technology, a kind of preparation method of dialysis capillary fibers proposed by the present invention；
The present invention prepares capillary fibers by way of continuously squeezing out, and is used as by addition acrylic fiber ternary copolymer fibre main
Basis material so that the capillary fibers have intensity high, and the excellent performance such as corrosion-resistant can put into routine use.
What the present invention realized by the following technical solutions
A kind of a kind of preparation method of dialysis capillary fibers, which is characterized in that dialysis capillary fibers
Preparation method be：It is 100-120 parts of acrylic fiber ternary copolymer fibre, 100-150 parts of solvent, 2-3 by mass fraction
The auxiliary agent, 0.1-0.2 parts of antioxidant, 1-2 parts of reinforcing agent of part are mixed, and after mixing squeeze solution progress dry method
Go out the capillary fibers that molding can be obtained by required diameter.
Further, the preparation method is, in a kettle, the acrylic fiber ternary for being 100-120 parts by mass fraction
Copolymer fibre is dissolved in 100-150 parts of solvent, carries out high-speed stirred after 1-2 hours, respectively by 2-3 parts of auxiliary agent,
0.1-0.2 parts of antioxidant, 1-2 parts of reinforcing agent are added in reaction kettle, and reaction obtains gelatinous solid after 1-2 hours,
Then the substance is added in extruding groove, is squeezed out, mold is changed into the mold of extruding pipe before extrusion, then by dry section
The temperature in domain is controlled at 120-150 DEG C, and then length starts to squeeze out in 1-2m, in dry slot back and forth by the filament of extrusion
It is 2-3 times dry, the speed of dragger is controlled, the size of capillary inside diameter can be effectively controlled, passes through winding
The hollow pipe of function admirable is obtained, then hollow pipe is cut as needed, so that it may to obtain different length specification
Capillary, while can also obtain the capillary of different pore size size by controlling hauling speed.
Further, the acrylic fiber ternary copolymer fibre be by mass fraction be 100-120 parts acrylonitrile,
12-20 parts of styrene, 30-35 parts of butyl methacrylate, 100-200 parts of solvent is mixed, and after mixing will
It is according to 1：4 ratio is divided into two parts, wherein few part is added in reaction kettle, more parts is added in constant pressure buret；
Then it is added in another buret, the solvent of 1-2 parts of benzoyl peroxide and 10-20 part；By two when starting to react
A constant pressure buret is opened, and is controlled its drop speed, is made the substance in two burets in 2-3 hours while dripping off, reacting
The speed control of blender is in 200-300rpm in journey, it is to be titrated completely after, increase 5-10 DEG C, after isothermal reaction 1-2 hours, stop
It only heats, takes out after naturally cooling to room temperature, be then dried, remove solvent, it is exactly acrylic fiber ternary polymerization to obtain substance
Fibres.
Further, the solvent is, according to mass ratio is 1-2 by dichloromethane, chloroform, petroleum ether, hexamethylene：3-5:
5-10:The mixed liquor that the ratio of 4-8 is mixed to get.
Further, the auxiliary agent is, by 2-8 parts of dodecyl sodium sulfonate lithium, 1-2 parts of zinc laurate, 2-3 parts
Stearic acid, 10-20 parts of solvent carries out mixture prepared substance.
Further, the antioxidant is, by 1-2 parts of P-TOLUENE SULFO ACID 99's sodium, the Pyrogentisinic Acid of 0.2-0.5,1-2 parts
Salicylic acid, 10-20 parts of solvent carries out mixture prepared substance.
Further, the reinforcing agent is 10-20 parts of poly- biphenyl, 6-10 parts of polyurethane, 4-8 parts of melamine
The substance that amine is prepared after being mixed.
Further, the reaction condition is that temperature is controlled at 70-80 DEG C.
Beneficial to benefit
1, the present invention prepared by way of continuously squeezing out capillary fibers its to prepare speed fast, it is efficient, and pass through this
Capillary dimensions prepared by method is controllable, product mechanics uniform properties；
2, by the present invention in that using acrylic fiber ternary copolymer fibre as main basis material, there is intensity height, it is resistance to
The excellent performances such as corrosion.
Specific implementation mode
In order to keep the purpose of the present invention, technical solution and advantageous effect clearer, below in conjunction with experimental data, to this
The preferred embodiment of invention is described in detail, to facilitate the technical staff to understand.
Embodiment 1
A kind of preparation method of dialysis capillary fibers includes the following steps：
(1) mass fraction is 100-120 parts of acrylonitrile, 12-20 parts of benzene second at 75 DEG C by control temperature of reaction kettle
Alkene, 30-35 parts of butyl methacrylate, 200 parts of solvent are mixed, after mixing by it according to 1：4 ratio point
At two parts, wherein few part is added in reaction kettle, more parts is added in constant pressure buret；Then in another titration
It is added in pipe, 1.5 parts of benzoyl peroxide and 12 parts of solvent；Start to open two constant pressure burets when reaction, control
It drips speed, makes the substance in two burets in 2 hours while dripping off, the speed control of blender exists during the reaction
250rpm, it is to be titrated completely after, increase 5 DEG C, after isothermal reaction 2 hours, stop heating, taken out after naturally cooling to room temperature, so
After be dried, remove solvent, it is exactly acrylic fiber ternary copolymer fibre to obtain substance；
(2) in a kettle, it is that 120 parts of acrylic fiber ternary copolymer fibre is dissolved in 100 parts molten by mass fraction
In agent, high-speed stirred is carried out after 2 hours, and reaction is added in 2 parts of auxiliary agent, 0.1 part of antioxidant, 1 part of reinforcing agent respectively
In kettle, reaction obtains gelatinous solid after 2 hours, and then the substance is added in extruding groove, is squeezed out, and before extrusion will
Mold changes the mold of extruding pipe into, then controls the temperature of arid region at 125 DEG C, then length starts to squeeze out in 1m,
The filament of extrusion is dried 3 times back and forth in dry slot, controls the speed of dragger, can effectively be controlled straight inside capillary
The size of diameter can be obtained by the hollow pipe of function admirable by winding, then be cut as needed to hollow pipe, just
The capillary of different length specification can be obtained, while the capillary of different pore size size can also be obtained by controlling hauling speed
Pipe.
Embodiment 2
A kind of preparation method of dialysis capillary fibers includes the following steps：
(1) control temperature of reaction kettle is at 70 DEG C, by mass fraction be 110 parts of acrylonitrile, 16 parts of styrene, 33 parts
Butyl methacrylate, 120 parts of solvent are mixed, after mixing by it according to 1：4 ratio is divided into two parts,
In few part be added in reaction kettle, more parts is added in constant pressure buret；Then it is added in another buret, 1
The benzoyl peroxide and 10 parts of solvent of part；Start to open two constant pressure burets when reaction, controls its drop speed, make two
Substance in buret drips off simultaneously in 2 hours, and the speed control of blender is to be titrated complete in 230rpm during the reaction
Quan Hou increases 5 DEG C, after isothermal reaction 2 hours, stops heating, take out after naturally cooling to room temperature, be then dried, removes
Solvent, it is exactly acrylic fiber ternary copolymer fibre to obtain substance；
(2) in a kettle, it is that 110 parts of acrylic fiber ternary copolymer fibre is dissolved in 115 parts molten by mass fraction
In agent, high-speed stirred is carried out after 1 hour, and reaction is added in 3 parts of auxiliary agent, 0.1 part of antioxidant, 2 parts of reinforcing agent respectively
In kettle, reaction obtains gelatinous solid after 2 hours, and then the substance is added in extruding groove, is squeezed out, and before extrusion will
Mold changes the mold of extruding pipe into, then controls the temperature of arid region at 125 DEG C, then length starts to squeeze out in 2m,
The filament of extrusion is dried 3 times back and forth in dry slot, controls the speed of dragger, can effectively be controlled straight inside capillary
The size of diameter can be obtained by the hollow pipe of function admirable by winding, then be cut as needed to hollow pipe, just
The capillary of different length specification can be obtained, while the capillary of different pore size size can also be obtained by controlling hauling speed
Pipe.
Embodiment 3
A kind of preparation method of dialysis capillary fibers includes the following steps：
(1) control temperature of reaction kettle is at 72 DEG C, by mass fraction be 120 parts of acrylonitrile, 12 parts of styrene, 35 parts
Butyl methacrylate, 160 parts of solvent are mixed, after mixing by it according to 1：4 ratio is divided into two parts,
In few part be added in reaction kettle, more parts is added in constant pressure buret；Then it is added in another buret, 1
The benzoyl peroxide and 10 parts of solvent of part；Start to open two constant pressure burets when reaction, controls its drop speed, make two
Substance in buret drips off simultaneously in 3 hours, and the speed control of blender is to be titrated complete in 300rpm during the reaction
Quan Hou increases 6 DEG C, after isothermal reaction 2 hours, stops heating, take out after naturally cooling to room temperature, be then dried, removes
Solvent, it is exactly acrylic fiber ternary copolymer fibre to obtain substance；
(2) in a kettle, it is that 120 parts of acrylic fiber ternary copolymer fibre is dissolved in 150 parts molten by mass fraction
In agent, high-speed stirred is carried out after 2 hours, and reaction is added in 3 parts of auxiliary agent, 0.2 part of antioxidant, 2 parts of reinforcing agent respectively
In kettle, reaction obtains gelatinous solid after 2 hours, and then the substance is added in extruding groove, is squeezed out, and before extrusion will
Mold changes the mold of extruding pipe into, then controls the temperature of arid region at 125 DEG C, then length starts to squeeze out in 2m,
The filament of extrusion is dried 3 times back and forth in dry slot, controls the speed of dragger, can effectively be controlled straight inside capillary
The size of diameter can be obtained by the hollow pipe of function admirable by winding, then be cut as needed to hollow pipe, just
The capillary of different length specification can be obtained, while the capillary of different pore size size can also be obtained by controlling hauling speed
Pipe.
Embodiment 4
A kind of preparation method of dialysis capillary fibers includes the following steps：
(1) control temperature of reaction kettle is at 78 DEG C, by mass fraction be 100 parts of acrylonitrile, 18 parts of styrene, 35 parts
Butyl methacrylate, 150 parts of solvent are mixed, after mixing by it according to 1：4 ratio is divided into two parts,
In few part be added in reaction kettle, more parts is added in constant pressure buret；Then it is added in another buret, 1
The benzoyl peroxide and 10 parts of solvent of part；Start to open two constant pressure burets when reaction, controls its drop speed, make two
Substance in buret drips off simultaneously in 2 hours, and the speed control of blender is to be titrated complete in 200rpm during the reaction
Quan Hou increases 5 DEG C, after isothermal reaction 1 hour, stops heating, take out after naturally cooling to room temperature, be then dried, removes
Solvent, it is exactly acrylic fiber ternary copolymer fibre to obtain substance；
(2) in a kettle, it is that 110 parts of acrylic fiber ternary copolymer fibre is dissolved in 100 parts molten by mass fraction
In agent, high-speed stirred is carried out after 1 hour, and reaction is added in 2 parts of auxiliary agent, 0.2 part of antioxidant, 2 parts of reinforcing agent respectively
In kettle, reaction obtains gelatinous solid after 2 hours, and then the substance is added in extruding groove, is squeezed out, and before extrusion will
Mold changes the mold of extruding pipe into, then controls the temperature of arid region at 130 DEG C, then length starts to squeeze out in 2m,
The filament of extrusion is dried 3 times back and forth in dry slot, controls the speed of dragger, can effectively be controlled straight inside capillary
The size of diameter can be obtained by the hollow pipe of function admirable by winding, then be cut as needed to hollow pipe, just
The capillary of different length specification can be obtained, while the capillary of different pore size size can also be obtained by controlling hauling speed
Pipe.
Experimental analysis：
1, capillary Mechanics Performance Testing
The capillary that 1-4 of the embodiment of the present invention capillaries prepared and market are bought, carries out mechanics properties testing, passes through
Test, result are as follows：
It may be seen that its mechanical property relative market of the capillary of this method preparation is sold it can be seen from table above
The capillary sold is more excellent, and shock strength and tensile strength are superior to commercially available capillary.
2, cost compares
1-4 costs of the embodiment of the present invention are respectively 28 Yuan/㎏, 28.5 Yuan/㎏, 28.6 Yuan/㎏, 29 Yuan/㎏, and commercially available
The capillary sold is 42-46 Yuan/㎏, and therefore, product price of the invention is cheap, can be used for large-scale mass production.
3, corrosion resistance is tested
The capillary that 1-4 of the embodiment of the present invention capillaries prepared and market are bought, carries out corrosion-resistant test, tests
Method be capillary is respectively placed in strong acid, strong base solution and strong solvent carry out impregnate 1-2 days after, whether observe its surface
It changes, by test, result is as follows：
It may be seen that its corrosion resistance relative market of the capillary of this method preparation it can be seen from table above
The capillary sold is higher, can be used for medical use.
Finally illustrate, preferred embodiment above is only used to illustrate the technical scheme of the present invention and unrestricted, although logical
It crosses above preferred embodiment the present invention is described in detail, however, those skilled in the art should understand that, can be
Various changes are made to it in form and in details, defined by claims of the present invention.
Claims (8)
1. a kind of preparation method of dialysis capillary fibers, which is characterized in that a kind of dialysis capillary fibers
Preparation method is：By mass fraction be 100-120 parts of acrylic fiber ternary copolymer fibre, 100-150 parts of solvent, 2-3 parts
Auxiliary agent, 0.1-0.2 parts of antioxidant, 1-2 parts of reinforcing agent mixed, solution is subjected to dry method extrusion after mixing
Molding can be obtained by the capillary fibers of required diameter.
2. a kind of preparation method of dialysis capillary fibers according to claim 1, which is characterized in that the preparation
Method is in a kettle, the acrylic fiber ternary copolymer fibre that mass fraction is 100-120 parts to be dissolved in 100-150 parts
Solvent in, carry out high-speed stirred after 1-2 hours, respectively by 2-3 parts of auxiliary agent, 0.1-0.2 parts of antioxidant, 1-2 parts
Reinforcing agent is added in reaction kettle, and reaction obtains gelatinous solid after 1-2 hours, and then the substance is added in extruding groove, into
Row squeezes out, and mold is changed into the mold of extruding pipe before extrusion, then controls the temperature of arid region at 120-150 DEG C,
Then length starts to squeeze out in 1-2m, the filament of extrusion is dried 2-3 times back and forth in dry slot, controls the speed of dragger,
The size that capillary inside diameter can effectively be controlled can be obtained by the hollow pipe of function admirable by winding, then
Hollow pipe is cut as needed, so that it may to obtain the capillary of different length specification, while by controlling hauling speed
It can also obtain the capillary of different pore size size.
3. a kind of preparation method of dialysis capillary fibers according to claim 1, which is characterized in that the acrylic fibers
Based terpolymers fiber be by mass fraction be 100-120 parts of acrylonitrile, 12-20 parts of styrene, 30-35 parts
Butyl methacrylate, 100-200 parts of solvent is mixed, after mixing by it according to 1：4 ratio is divided into two parts,
Wherein few part is added in reaction kettle, and more parts is added in constant pressure buret；Then it is added in another buret,
The solvent of 1-2 parts of benzoyl peroxide and 10-20 part；Start to open two constant pressure burets when reaction, control its drop speed,
Make the substance in two burets in 2-3 hours while dripping off, the speed control of blender is in 200- during the reaction
300rpm, it is to be titrated completely after, increase 5-10 DEG C, after isothermal reaction 1-2 hour, stop heating, be taken after naturally cooling to room temperature
Go out, be then dried, removes solvent, it is exactly acrylic fiber ternary copolymer fibre to obtain substance.
4. a kind of preparation method of dialysis capillary fibers according to claim 1, which is characterized in that the solvent
For, by dichloromethane, chloroform, petroleum ether, hexamethylene according to mass ratio be 1-2：3-5:5-10:The ratio of 4-8 mix
The mixed liquor arrived.
5. a kind of preparation method of dialysis capillary fibers according to claim 1, which is characterized in that the auxiliary agent
For 2-8 parts of dodecyl sodium sulfonate lithium, 1-2 parts of zinc laurate, 2-3 parts of stearic acid, 10-20 parts of solvent are mixed
Close the substance being prepared.
6. a kind of preparation method of dialysis capillary fibers according to claim 1, which is characterized in that the oxygen
Agent is to mix 1-2 parts of P-TOLUENE SULFO ACID 99's sodium, the Pyrogentisinic Acid of 0.2-0.5,1-2 parts of salicylic acid, 10-20 parts of solvent
Close the substance being prepared.
7. a kind of preparation method of dialysis capillary fibers according to claim 1, which is characterized in that the enhancing
Agent is, the object that 10-20 parts of poly- biphenyl, 6-10 parts of polyurethane, 4-8 parts of melamine is prepared after being mixed
Matter.
8. a kind of preparation method of dialysis capillary fibers according to claim 3, which is characterized in that the reaction
Condition is that temperature is controlled at 70-80 DEG C.
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| CN201810625615.1A CN108752824A (en) | 2018-06-18 | 2018-06-18 | A kind of preparation method of dialysis capillary fibers |
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| CN201810625615.1A CN108752824A (en) | 2018-06-18 | 2018-06-18 | A kind of preparation method of dialysis capillary fibers |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5236592A (en) * | 1990-06-25 | 1993-08-17 | Hospal Industrie | Haemocompatible composite material and method of using thereof |
| CN1958136A (en) * | 2006-10-17 | 2007-05-09 | 浙江大学 | Antibacterial hollow-fiber membrane, preparation method and application |
| CN101596417A (en) * | 2009-06-19 | 2009-12-09 | 东华大学 | Be used for the preparation of the blend polyvinylidene fluoride hollow-fibre membrane of blood purification |
| CN101626821A (en) * | 2007-04-23 | 2010-01-13 | 弗雷泽纽斯医疗保健德国有限公司 | Hollow fiber capillary membrane and method for the production thereof |
| US20140326669A1 (en) * | 2011-12-15 | 2014-11-06 | Gambro Lundia Ab | Doped membranes |
-
2018
- 2018-06-18 CN CN201810625615.1A patent/CN108752824A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5236592A (en) * | 1990-06-25 | 1993-08-17 | Hospal Industrie | Haemocompatible composite material and method of using thereof |
| CN1958136A (en) * | 2006-10-17 | 2007-05-09 | 浙江大学 | Antibacterial hollow-fiber membrane, preparation method and application |
| CN101626821A (en) * | 2007-04-23 | 2010-01-13 | 弗雷泽纽斯医疗保健德国有限公司 | Hollow fiber capillary membrane and method for the production thereof |
| CN101596417A (en) * | 2009-06-19 | 2009-12-09 | 东华大学 | Be used for the preparation of the blend polyvinylidene fluoride hollow-fibre membrane of blood purification |
| US20140326669A1 (en) * | 2011-12-15 | 2014-11-06 | Gambro Lundia Ab | Doped membranes |
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