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Polystyrene electrostatic spinning solution

A polystyrene and electrospinning technology, applied in the field of polymer electrospinning stock solution and polystyrene electrospinning solution, can solve problems affecting the development and popularization of PS ultrafine fiber membrane, low jet splitting degree, solution conductivity problems such as low rate, to achieve the effect of promoting rapid development and popularization and application, improving mechanical properties, and reducing dosage

Inactive Publication Date: 2008-09-10
SUZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to the low polarity of polystyrene, low conductivity of the solution, and low degree of jet splitting, the fibers are usually thicker, especially the obtained fiber membrane is fluffy, has poor mechanical properties, and is easy to stick to the collection screen and is not easy to remove. affect its performance
This has largely affected the rapid development and popularization of PS ultrafine fiber membranes.

Method used

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  • Polystyrene electrostatic spinning solution
  • Polystyrene electrostatic spinning solution
  • Polystyrene electrostatic spinning solution

Examples

Experimental program
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Embodiment 1

[0019] In this embodiment, the selected additive is anionic surfactant sodium dodecylbenzenesulfonate.

[0020] Ordinary PS is used as the raw material, the solvent is methyl ethyl ketone, and the PS content is 10% (w / w). Stir at a temperature of 70°C until the PS is fully dissolved to obtain a uniform solution.

[0021] Add sodium dodecylbenzenesulfonate with a mass ratio of 3% to PS into the dissolved PS solution, and continue stirring until completely dissolved to obtain the polystyrene electrospinning solution of the present invention.

[0022] The above solution was injected into the spinning solution container of the electrospinning machine, the spinning temperature was room temperature, the output voltage of the high voltage power supply was 13kV, and the distance between the receiving screen and the spinneret was 12cm. The electrospinning process is stable, and there is a uniform and dense white fiber film on the collection screen (aluminum foil), which is easy to peel...

Embodiment 2

[0027] In this embodiment, the selected additive is cationic surfactant cetyltrimethylammonium bromide. Ordinary PS is used as the raw material, the solvent is tetrahydrofuran, and the PS content is 10% (w / w). Stir at a temperature of 70°C until the PS is fully dissolved to obtain a uniform solution.

[0028] Add hexadecyltrimethylammonium bromide with a mass ratio of 8% to PS into the dissolved PS solution, and continue stirring until completely dissolved to obtain the polystyrene electrospinning solution of the present invention.

[0029] The above solution was injected into the spinning solution container of the electrospinning machine, the spinning temperature was room temperature, the output voltage of the high voltage power supply was 10kV, and the distance between the receiving screen and the spinneret was 12cm. The electrospinning process is stable, and there is a uniform and dense white fiber film on the collection screen (aluminum foil), which is easy to peel off.

...

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Abstract

The invention relates to macromolecular static spinning solution, in particular to polystyrene static spinning solution consisting of polystyrene, solution and additive; in mass, the polystyrene is 3 to 50 percent of the solution, the additive is 0.1 to 30 percent of the polystyrene, wherein, the additive is one in cationic surfactant, anionic surfactant and zwitterionic surfactant. The addition of the additive enables a polystyrene electrospun membrane to be obviously improved in evenness, compactness, mechanical property and so on, facilitates the functionalization of fibrous membrane, and in particular improves the capacity of peel-off of the PS electrospun membrane taken off from a collection screen. Meanwhile, the additive adopted in the invention with low cost can greatly improve the practicality of the polystyrene electrospun membrane, and promote the fast development, popularization and application for the PS superfine fibrous membrane.

Description

technical field [0001] The invention relates to a polymer electrostatic spinning stock solution, in particular to a polystyrene electrostatic spinning solution, which belongs to the technical field of polymer materials. Background technique [0002] Polystyrene (PS) has relatively stable chemical properties at room temperature and has good processing properties. Therefore, it is widely used in engineering plastics, ion exchange resins and other products. With the further research on ultrafine fiber materials, the potential value of PS ultrafine fiber membranes in filter materials and other fields has been fully revealed. Since the diameter of fibers produced by traditional spinning methods such as dry spinning and wet spinning is generally 5 to 500 μm, special spinning techniques must be used to obtain ultrafine fibers with a diameter of less than 1 μm, while electrospinning Microfiber is currently the easiest and most direct method. According to literature reports, PS sol...

Claims

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Application Information

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IPC IPC(8): D01F6/56D01F1/10
Inventor 居海涛朱新生高强蒋孝山刘立缪洁刘东
Owner SUZHOU UNIV
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