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Method for preparing functional vinyl polysiloxane nanofiber membrane through electrostatic spinning

A vinyl polysiloxane, nanofiber membrane technology, applied in the processing of textile materials, continuous processing of textile materials, textiles and papermaking, etc., can solve the problems of limited popularization and application, single function, low porosity, etc. The effect of improving dispersibility, simple preparation method and high production efficiency

Active Publication Date: 2015-07-29
WUHAN TEXTILE UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although there are many types of non-woven fabrics disclosed in the prior art, there is no one type of fiber film or non-woven fabric that can meet the needs of various industries, and the process is complicated, the porosity is low, the function is single, and the cost is high. Most importantly, the current The non-woven fabrics disclosed in the technology are all prepared from organic polymers, which limits their popularization and application to a large extent.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] A method for preparing functional vinyl polysiloxane nanofiber membrane by electrospinning, comprising the following steps:

[0034] Vinylpolysiloxane with a weight-average molecular weight of 68000g / mol, ferric iron tetroxide with an average particle diameter of 50nm, and a methanol solution with a mass fraction of 98% were mixed uniformly in a mass ratio of 6.5:0.2:3.3, and heated at a temperature of Ultrasonic dispersion at 30°C for 1 h, the prepared spinning solution was electrospun with the help of an electrospinning machine, the spinning voltage was 15KV, the spinning distance between the spinning port and the receiving device was 10cm, and the injection flow rate was 1mL / h , the receiving device is a grounded conductive plate, and the electrospinning machine is started. Under the action of the electric field, the spinning solution is gradually drawn and refined, and the solvent is volatilized at the same time, and the formed functional vinyl polysiloxane nanofiber...

Embodiment 2

[0036] A method for preparing functional vinyl polysiloxane nanofiber membrane by electrospinning, comprising the following steps:

[0037]Vinyl polysiloxane with a weight-average molecular weight of 60000 g / mol, carbon nanotubes with an average particle diameter of 80 nm, and anhydrous ethanol solution were mixed uniformly at a mass ratio of 6:5.0.2:3.3, and heated at a temperature of 30 Ultrasonic dispersion was carried out at ℃ for 1 h, and the prepared spinning solution was electrospun with the help of an electrospinning machine, the spinning voltage was 15 KV, the spinning distance between the spinning port and the receiving device was 10 cm, and the injection flow rate was 1 mL / h, the receiving device is a grounded conductive plate, start the electrospinning machine, under the action of the electric field, the spinning solution is gradually drawn and refined, and the solvent is volatilized at the same time, forming a functional vinyl polysiloxane nanofiber film collected...

Embodiment 3

[0039] A method for preparing functional vinyl polysiloxane nanofiber membrane by electrospinning, comprising the following steps:

[0040] Vinyl polysiloxane with a weight average molecular weight of 57000 g / mol, graphene with an average particle size of 80 nm, and anhydrous propanol solution were mixed uniformly at a mass ratio of 6.8:0.2:3, and heated at a temperature of 30°C Ultrasonic dispersion was carried out for 1 h, and the prepared spinning solution was electrospun with the help of an electrospinning machine, the spinning voltage was 15 KV, the spinning distance between the spinning port and the receiving device was 10 cm, and the injection flow rate was 1 mL / h, the receiving device is a grounded conductive plate, start the electrospinning machine, under the action of the electric field force, the spinning solution is gradually drawn and refined, and the solvent is volatilized at the same time, and the formed functional vinyl polysiloxane nanofiber film is collected ...

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Abstract

The invention relates to a method or preparing a functional vinyl polysiloxane nanofiber membrane, belonging to the technical field of processing of textile materials. The method comprises the following steps: mixing vinyl polysiloxane, functional nanoparticles and an organic solvent according to proportions to prepare a spinning solution; carrying out electrostatic spinning by using an electrostatic spinning machine; collecting; and finally drying to obtain the functional vinyl polysiloxane nanofiber membrane. The functional vinyl polysiloxane nanofiber membrane prepared by the preparation method disclosed by the invention can realize a synergistic effect of multiple functions, can be widely used for biomedicine, energy and chemical industry, water purification, air filtration, lithium ion battery separators and carrier materials and also can be used for preparing self-cleaning, waterproof and windproof, windproof and heat preservation, moisture-permeable and air-permeable textile materials. The preparation method disclosed by the invention is simple, high in production efficiency, low in energy consumption, free of pollution to the ecological environment and suitable for industrial production.

Description

[0001] Technical field: [0002] The invention specifically relates to a method for preparing a functional vinyl polysiloxane nanofiber membrane, which belongs to the technical field of new textile materials. Background technique [0003] Nanofiber membrane is a new type of environmentally friendly material, which is composed of oriented or random fibers. It is moisture-proof, breathable, flexible, light in weight, non-combustible, easy to decompose, non-toxic and non-irritating, rich in color, low in price, and recyclable. Features such as reuse. Due to the above characteristics, nanofibrous membranes are widely used in the fields of biology, medicine, energy, environment and so on. Chinese Patent Publication No. CN 103599752 A, the publication date is February 26, 2014, and the title of the invention is "Preparation method of non-woven petroleum adsorption bag coated with MIL-101 adsorbent". The active MIL-101 is packaged in a non-woven fabric bag by heat-press sealing me...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D04H1/728D04H1/4382D06B21/00D06B15/00
Inventor 陈凤翔陈东志刘欣徐卫林周应山
Owner WUHAN TEXTILE UNIV
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