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Method for preparing hemodialysis membrane containing bamboo shoot fibers

A bamboo shoot fiber, hemodialysis technology, applied in dialysis systems, wet spinning and other directions, can solve the problems of macromolecular permeability effect, negative effect on dialysis performance, etc., achieve excellent biocompatibility, improve hemodialysis performance, overcome Effects of adverse reactions

Inactive Publication Date: 2017-02-01
张东
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The above-mentioned dialysis membrane is made of polylactic acid as the main material. Polylactic acid has good biocompatibility and film-forming performance, but the introduction of epoxy groups has a certain negative impact on the dialysis performance. Moreover, although the anticoagulant performance is excellent, but It has a certain influence on the permeability of some macromolecules

Method used

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  • Method for preparing hemodialysis membrane containing bamboo shoot fibers

Examples

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Comparison scheme
Effect test

Embodiment 1

[0024] A preparation method for a hemodialysis membrane containing bamboo shoot fiber, comprising the steps of:

[0025] Step 1, preparation of bamboo shoot fiber powder: After cleaning and slicing bamboo shoot raw materials, perform grinding treatment, then rinse with water, put into dilute hydrochloric acid solution for acid treatment, the pH of acid treatment is 3, and the treatment time is 3h; rinse with water until After the pH is 7, put it into NaOH solution for alkali treatment, the pH of the alkali treatment is 12, and the treatment time is 2 hours. After the alkali treatment, wash with boiling water until neutral, then dry and pulverize, and pass through a 150-mesh sieve to obtain Bamboo shoot fiber powder;

[0026] In the second step, 30Kg of cellulose acetate and 25Kg of polyacrylonitrile are added to 40Kg of acetone and DMAC mixed solvent, wherein 20Kg of acetone and 20Kg of DMAC; mix well to obtain the initial mixture;

[0027] The 3rd step, add bamboo shoot fibe...

Embodiment 2

[0032] A preparation method for a hemodialysis membrane containing bamboo shoot fiber, comprising the steps of:

[0033] Step 1, preparation of bamboo shoot fiber powder: After cleaning and slicing bamboo shoot raw materials, perform grinding treatment, then rinse with water, put into dilute hydrochloric acid solution for acid treatment, the pH of acid treatment is 3, and the treatment time is 3h; rinse with water until After the pH is 7, put it into NaOH solution for alkali treatment, the pH of the alkali treatment is 12, and the treatment time is 2 hours. After the alkali treatment, wash with boiling water until neutral, then dry and pulverize, and pass through a 150-mesh sieve to obtain Bamboo shoot fiber powder;

[0034] In the second step, 45Kg of cellulose acetate and 35Kg of polyacrylonitrile are added to 75Kg of acetone and DMAC mixed solvent, wherein 25Kg of acetone and 50Kg of DMAC; mix well to obtain the initial mixture;

[0035] The 3rd step, add bamboo shoot fibe...

Embodiment 3

[0040] A preparation method for a hemodialysis membrane containing bamboo shoot fiber, comprising the steps of:

[0041] Step 1, preparation of bamboo shoot fiber powder: After cleaning and slicing bamboo shoot raw materials, perform grinding treatment, then rinse with water, put into dilute hydrochloric acid solution for acid treatment, the pH of acid treatment is 3, and the treatment time is 3h; rinse with water until After the pH is 7, put it into NaOH solution for alkali treatment, the pH of the alkali treatment is 12, and the treatment time is 2 hours. After the alkali treatment, wash with boiling water until neutral, then dry and pulverize, and pass through a 150-mesh sieve to obtain Bamboo shoot fiber powder;

[0042]In the second step, 35Kg of cellulose acetate and 28Kg of polyacrylonitrile are added to 45Kg of acetone and DMAC mixed solvent, wherein 15Kg of acetone and 30Kg of DMAC; mix well to obtain the initial mixture;

[0043] In the 3rd step, add bamboo shoot fi...

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Abstract

The invention relates to a method for preparing a hemodialysis membrane containing bamboo shoot fibers and belongs to the technical field of biopolymer materials. The method includes the following steps that firstly, bamboo shoot fiber powder is prepared; secondly, a primary mixed solution is prepared; thirdly, a spinning solution is prepared; fourthly, the spinning solution is placed in a spinning solution tank for vacuum defoaming; fifthly, spinning parameters are adjusted; sixthly, spinning starts, and the hemodialysis membrane containing bamboo shoot fibers is prepared. The hemodialysis membrane prepared through the method has good biocompatibility, adverse reactions in the dialysis process are overcome, and dialysis performance of the hemodialysis membrane is further improved.

Description

technical field [0001] The invention relates to a preparation method of a hemodialysis membrane containing bamboo shoot fiber, and belongs to the technical field of biopolymer materials. Background technique [0002] Bamboo shoot fiber is a fiber material obtained after bamboo shoots are processed. Bamboo shoots are widely distributed in my country and are mainly used as food materials. Due to the high cellulose content of bamboo shoots, the edible part is relatively small, resulting in low bioavailability. A large number of bamboo shoots and their waste are due to the cost of recycling. High, and the lack of limited utilization, resulting in waste of resources. [0003] Hemodialysis membrane is a type of membrane used for hemodialysis, and its purpose is to replace some of the functions lost in renal failure, such as removing metabolic waste and regulating water, electrolyte and acid-base balance. Hemodialysis membrane uses the principle of semi-permeable membrane, with ...

Claims

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Application Information

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IPC IPC(8): C08L1/12C08L33/20C08L97/02C08L5/08C08L67/02C08L5/04C08K13/06C08K3/22C08K3/16C08K3/34C08K9/00D01D5/06A61M1/16
CPCC08L1/12A61M1/16C08L2203/02C08L2203/16C08L2205/035C08L2205/16D01D5/06C08L33/20C08L97/02C08L5/08C08L67/02C08L5/04C08K13/06C08K2003/2227C08K3/16C08K3/346C08K9/00
Inventor 张东
Owner 张东
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