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Preparation method of pet porous fiber membrane

A technology of porous fiber and composite fiber membrane, applied in fiber treatment, fiber chemical characteristics, rayon manufacturing, etc.

Active Publication Date: 2021-09-28
江苏源源山富数码喷绘科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] Currently, there is no method for making porous fibers using PET / PEG materials

Method used

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  • Preparation method of pet porous fiber membrane
  • Preparation method of pet porous fiber membrane
  • Preparation method of pet porous fiber membrane

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0034] The invention discloses a preparation method of a PET porous fiber membrane, which is carried out sequentially according to the following steps:

[0035] The first step is to dry the PET chips;

[0036] Dry the PET slices in a vacuum oven at a temperature of 70±1°C (preferably 70°C) for 16±0.5 hours (preferably 16 hours), take them out of the bag and store them in a desiccator for use in the second step;

[0037] The second step is to prepare mixed solute and mixed solvent;

[0038] Weigh PEG and PET as a mixed solute, the weight ratio of PEG to PET is 1: (6±0.2); prepare a mixed solvent of trifluoroacetic acid and dichloromethane at the same time, the volume ratio of trifluoroacetic acid and dichloromethane is 1:1 ;Put the prepared mixed solvent into a clean and dry container (such as iodine bottle);

[0039] The third step is to prepare mixed solution;

[0040] Weigh the mixed solute and the mixed solvent, put the mixed solute into the mixed solvent to prepare a mi...

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Abstract

The invention discloses a preparation method of a PET porous fiber membrane, which is carried out in sequence as follows: the first step is to dry PET slices; the second step is to prepare a mixed solute and a mixed solvent; the third step is to prepare a mixed solution; the fourth step is to prepare a mixed solution; The first step is magnetic stirring; the fifth step is to prepare PET / PEG composite fiber membrane by electrospinning; the sixth step is to prepare PET porous fiber membrane by boiling; Silk solution, the prepared porous fibers are relatively smooth and have excellent tensile properties.

Description

technical field [0001] The invention relates to the technical field of electrospinning, in particular to a method for preparing porous fibers. Background technique [0002] Electrospinning technology provides a simple and efficient method to process solutions or melts to spin polymers into continuous fibers with diameters ranging from a few nanometers to a few micrometers. This technology can effectively produce ultra-fine fibers with diameters ranging from tens to hundreds of nanometers. Electrospinning is a spinning method that uses a high-voltage electric field to drive a polymer solution or melt to the spinning receiving roller in a strong electric field, and the droplets form fibers during operation. Due to the rapid development of nanotechnology, electrospinning technology that can easily and effectively produce nanofibers will shine in many fields. [0003] The properties of the solution have a great influence on the morphology and properties of the fibers prepared ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D04H1/728D01D5/00D01D5/24
CPCD01D5/0007D01D5/003D01D5/24D04H1/728
Inventor 赵红丽
Owner 江苏源源山富数码喷绘科技有限公司