Carbon fiber/polyester hemodialysis membrane and preparation method thereof

A technology of hemodialysis and carbon fiber, which is applied in fiber processing, filament/thread forming, textiles and papermaking, etc. It can solve the problems of low moisture content, wrinkle resistance, elasticity and dimensional stability, and poor air permeability, so as to reduce allergies And blood coagulation, improve retention and adsorption, reduce the effect of allergy or blood coagulation

Inactive Publication Date: 2015-09-09
SUZHOU BEC BIOLOGICAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Polyester fiber is one of the fibers commonly used in the field of hemodialysis. It has low moisture content, excellent wrinkle resistance, elasticity and dimensional stability, and is resistant to friction, mildew and moth. It has good chemical resistance and can withstand weak acids and weak alkali, but has the characteristics of poor air permeability

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A carbon fiber / polyester hemodialysis membrane, the dialysis membrane is a hollow fiber membrane, the diameter of the hollow fiber is 1.5 μm, the pore diameter is 2.5 μm, and the wall thickness is 45 μm;

[0023] The dialysis membrane is prepared from the following components in parts by mass: 26 parts of polyester, 5 parts of carbon fiber, 8 parts of acetic acid, 10 parts of tetrahydrofuran, 2 parts of catalyst trimethylamine, 15 parts of dimethylacetamide and 10 parts of acetone.

[0024] A preparation method of carbon fiber / polyester hemodialysis membrane, the preparation steps are as follows:

[0025] (1) Preparation of spinning solution: Dissolve polyester, carbon fiber, acetic acid and tetrahydrofuran in a solvent, heat and dissolve in a water bath at 37°C, and after the solution is clarified, ultrasonically disperse the catalyst in the solution to obtain a spinning solution;

[0026] (2) Electrospinning: Electrospinning the spinning solution to obtain carbon fibe...

Embodiment 2

[0030] A carbon fiber / polyester hemodialysis membrane, the dialysis membrane is a hollow fiber membrane, the diameter of the hollow fiber is 1.5 μm, the pore diameter is 2.5 μm, and the wall thickness is 45 μm;

[0031] The dialysis membrane is prepared from the following components in mass parts: 38 parts of polyester, 12 parts of carbon fiber, 18 parts of acetic acid, 17 parts of tetrahydrofuran, 5 parts of catalyst trimethylamine, 21 parts of dimethylacetamide and 14 parts of acetone.

[0032] A method for preparing a carbon fiber / polyester hemodialysis membrane, characterized in that the preparation steps are as follows:

[0033] (1) Preparation of spinning solution: Dissolve polyester, carbon fiber, acetic acid and tetrahydrofuran in a solvent, heat and dissolve in a water bath at 37°C, and after the solution is clarified, ultrasonically disperse the catalyst in the solution to obtain a spinning solution;

[0034] (2) Electrospinning: Electrospinning the spinning solution...

Embodiment 3

[0038] A carbon fiber / polyester hemodialysis membrane, the dialysis membrane is a hollow fiber membrane, the diameter of the hollow fiber is 1.5 μm, the pore diameter is 2.5 μm, and the wall thickness is 45 μm;

[0039] The dialysis membrane is prepared from the following components in parts by mass: 28 parts of polyester, 7 parts of carbon fiber, 12 parts of acetic acid, 11 parts of tetrahydrofuran, 3 parts of catalyst trimethylamine, 18 parts of dimethylacetamide and 10 parts of acetone.

[0040] A preparation method of carbon fiber / polyester hemodialysis membrane, the preparation steps are as follows:

[0041] (1) Preparation of spinning solution: Dissolve polyester, carbon fiber, acetic acid and tetrahydrofuran in a solvent, heat and dissolve in a water bath at 37°C, and after the solution is clarified, ultrasonically disperse the catalyst in the solution to obtain a spinning solution;

[0042] (2) Electrospinning: Electrospinning the spinning solution to obtain carbon fib...

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Abstract

The invention discloses a carbon fiber / polyester hemodialysis membrane and a preparation method thereof, and relates to the field of biological materials. The hemodialysis membrane is a hollow fiber membrane, the diameter of a hollow fiber is 0.5-5 micrometers, the bore diameter of the hollow fiber is 1.4-4.3 micrometers, the wall thickness of the hollow fiber is 35-60 micrometers, the hemodialysis membrane is prepared from components including, by weight, 26-38 parts of polyester, 5-12 parts of carbon fibers, 8-18 parts of acetic acid, 10-17 parts of tetrahydrofuran, 2-5 parts of catalysts and 25-42 parts of solvents. The preparation method of the carbon fiber / polyester hemodialysis membrane includes the preparation steps: (1) preparing spinning solution; (2) performing electrostatic spinning. The carbon fiber / polyester hemodialysis membrane is prepared by an electrostatic spinning process, the diameter of the hollow fiber and the bore diameter of the fiber membrane are ideal, the wall thickness is proper, the hemodialysis membrane has fine biological compatibility, allergy and coagulation are greatly reduced, and the hemodialysis membrane is ideal.

Description

technical field [0001] The invention belongs to the field of biological materials, in particular to a carbon fiber / polyester hemodialysis membrane and a preparation method of the hemodialysis membrane. Background technique [0002] Hemodialysis membrane uses the principle of semi-permeable membrane, with the help of the solute gradient, osmotic gradient and water pressure gradient on both sides of the membrane, to remove toxins and retain excess water in the body, and at the same time replenish the substances needed in the body, and maintain electrolytes and purpose of acid-base balance. [0003] Polyester fiber is one of the fibers commonly used in the field of hemodialysis. It has low moisture content, excellent wrinkle resistance, elasticity and dimensional stability, and is resistant to friction, mildew and moth. It has good chemical resistance and can withstand weak acids And weak base, but it has the characteristics of poor air permeability. [0004] The chemical pro...

Claims

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Application Information

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IPC IPC(8): D04H1/42D04H1/4242D04H1/435D04H1/728D01D5/00
Inventor 李苏杨李文遐徐勤霞
Owner SUZHOU BEC BIOLOGICAL TECH
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