A kind of butadiene rubber micro-nano fiber based on solution jet spinning method

A technology of micro-nano fiber and cis-butadiene rubber, which is applied in the directions of drawing spinning, spinning solution preparation, fiber chemical characteristics, etc., can solve problems such as breakage and discontinuous spinning process, and achieve flexible production operation and low equipment cost. , good controllability and repeatability

Active Publication Date: 2021-11-02
JIANGNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During the spinning process, the solvent volatilizes quickly, and the rubber fiber is prone to discontinuity and even breakage due to its high elastic recovery.

Method used

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  • A kind of butadiene rubber micro-nano fiber based on solution jet spinning method
  • A kind of butadiene rubber micro-nano fiber based on solution jet spinning method
  • A kind of butadiene rubber micro-nano fiber based on solution jet spinning method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] A kind of preparation method based on the butadiene rubber micro-nano fiber of solution jet spinning method, comprises the steps:

[0047] 0.6g (100 parts) butadiene rubber was added in 9.4g tetrahydrofuran, stirred at room temperature (stirring speed is 400r / m) 24 hours to obtain butadiene rubber solution (concentration is 6%); Then in butadiene rubber solution Add 0.072 g (12 parts) of 2-methyl-1-(4-methylthiophenyl)-2-morpholinyl-1-propanone and 0.072 g (12 parts) of trimethylolpropane tris(3-mercapto Propionate) was stirred at room temperature for 4 hours, and finally left to stand at room temperature for 12 hours for degassing to obtain a homogeneously mixed butadiene rubber spinning solution.

[0048] The obtained butadiene rubber spinning solution is jet-spun, and the extrusion rate of the solution is set to be 1.2mL / h, the diameter of the spinneret is 0.4mm, the distance between the spinneret and the receiving device is 15cm, and the drafting wind pressure is 0.4M...

Embodiment 2

[0050] A kind of preparation method based on the butadiene rubber micro-nano fiber of solution jet spinning method, comprises the steps:

[0051] Add 0.6g (100 parts) of butadiene rubber to 9.4g of tetrahydrofuran, stir at room temperature (stirring speed is 400r / m) for 24 hours to obtain a butadiene rubber solution; then add 0.048g (8 parts) to the solution) 2-Methyl-1-(4-methylthiophenyl)-2-morpholino-1-propanone and 0.048 g (8 parts) of trimethylolpropane tris(3-mercaptopropionate) at room temperature Stirring at low temperature for 4 hours, and finally standing at room temperature for 12 hours for defoaming, to obtain a homogeneously mixed butadiene rubber spinning solution.

[0052] The obtained butadiene rubber spinning solution is jet-spun, and the extrusion rate of the solution is set to be 1.2mL / h, the diameter of the spinneret is 0.5mm, the distance between the spinneret and the receiving device is 20cm, and the drafting wind pressure is 0.4MPa , the spinning enviro...

Embodiment 3

[0054] A kind of preparation method based on the butadiene rubber micro-nano fiber of solution jet spinning method, comprises the steps:

[0055] 0.7g (100 parts) of butadiene rubber was added to 9.3g of tetrahydrofuran, and stirred at room temperature (stirring speed was 400r / m) for 24 hours to obtain a butadiene rubber solution; then 0.084g (12 parts) of 2 -Methyl-1-(4-methylthiophenyl)-2-morpholino-1-propanone and 0.056 g (8 parts) of trimethylolpropane tris(3-mercaptopropionate) at room temperature Stir for 4 hours, and finally stand at room temperature for 12 hours for defoaming to obtain a homogeneously mixed butadiene rubber spinning solution.

[0056] The obtained butadiene rubber spinning solution is jet-spun, and the extrusion rate of the solution is set to be 1.2mL / h, the diameter of the spinneret is 0.5mm, the distance between the spinneret and the receiving device is 15cm, and the drafting wind pressure is 0.4MPa , the spinning environment temperature is 30°C, an...

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Abstract

The invention discloses a butadiene rubber micro-nano fiber based on a solution jet spinning method, which belongs to the field of industrial textiles. The method of the present invention comprises the steps of: (1) adding a photoinitiator and a crosslinking agent in the butadiene rubber solution, stirring to obtain a spinning stock solution; wherein the mass ratio of the photoinitiator to the butadiene rubber is 0 ~20:100, but not 0; the mass ratio of crosslinking agent to butadiene rubber is 0~20:100, but not 0; (2) spinning the spinning dope by solution jet spinning method, The butadiene rubber fibers are irradiated and cured by ultraviolet lamps during the spinning process. The invention adopts the solution injection technology to prepare butadiene rubber micro-nano fibers, the production operation is flexible and simple, the single-hole extrusion rate is several times higher than that of electrospinning, and the multi-hole nozzle can be used for spinning, the production efficiency is high, and the method is suitable for industrial production.

Description

technical field [0001] The invention relates to a butadiene rubber micro-nano fiber based on a solution jet spinning method, which belongs to the field of industrial textiles. Background technique [0002] As a new method of preparing micro-nanofibers, the solution jet spinning method has attracted extensive attention of researchers since it came out in 2009. It was first proposed by Medeiros et al. by combining the characteristics of the melt-blown method and the dry spinning method to prepare micro-nano fibers. The basic principle of this method is to use high-speed airflow to ultra-finely stretch the thin stream of solution, and solidify it into fibers with the evaporation of solvent. Polymer fibers that have been successfully prepared by solution jet spinning include polyvinyl alcohol (PVA), polyacrylonitrile (PAN), polyethersulfone (PES), polyurethane (PU), polyethylene glycol (PEG), meta Aramid (MPIA), polyether ether ketone (PEEK), polymethyl methacrylate (PMMA), po...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D01D5/14D01D1/02D01F6/44D01F1/10
CPCD01D1/02D01D5/14D01F1/10D01F6/44D10B2505/04
Inventor 邓炳耀吴晓壮李大伟刘庆生
Owner JIANGNAN UNIV
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