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Loofah sponge polypyrrole polymer composite material and preparation method thereof

A loofah polypyrrole and composite material technology, applied in the directions of plant fibers, textiles, papermaking, fiber processing, etc., can solve the problems of poor solubility and processing performance of polypyrrole, achieve high strength, expand the scope of application, and increase flexibility. effect with intensity

Pending Publication Date: 2021-08-10
JIANGSU UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In view of this, the present invention provides a kind of loofah polypyrrole polymer composite material and preparation method thereof, to solve the problem that polypyrrole limits its application due to its poor solubility and processability

Method used

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preparation example Construction

[0022] In order to solve the problem that polypyrrole is limited in its application due to poor solubility and processability, the invention provides a preparation method of polypyrrole polypyrrole polymer composite material comprising the steps of:

[0023] S1: Pretreating the loofah with an alkaline solution and an oxidizing agent for pretreatment in sequence to obtain pretreated loofah;

[0024] S2: After immersing the pretreated loofah into the pyrrole monomer solution, adding a morphology control agent, an oxidizing agent for polymerization, and a complexing agent to obtain a mixed solution;

[0025] S3: heating the mixed solution to 50° C. to 500° C., and simultaneously irradiating the mixed solution to obtain polypyrrole-modified loofah fibers;

[0026] S4: fully mixing the polypyrrole-modified loofah fiber with the polymer precursor to obtain a polypyrrole-modified loofah fiber / polymer precursor mixture;

[0027] S5: heating the polypyrrole-modified loofah fiber / polym...

Embodiment 1

[0054] The present embodiment provides a kind of preparation method of loofah polypyrrole polymer composite material, and this preparation method comprises the steps:

[0055] S11: Cut the loofah into 1cm*1cm*1cm blocks, put it into a beaker, add 1L of 0.001mol / L NaOH solution prepared in the beaker, and place it at 50°C for 50h; Wash the loofah to be neutral and dry to obtain the loofah after the alkaline solution treatment;

[0056] S12: Put the loofah treated with the alkaline solution into the beaker again, add 1 L of 0.05mol / L bromic peroxodisulfuric acid solution prepared in the beaker, and place it at 30°C for 10 hours; then use deionized water to dissolve the loofah Wash the loofah to neutrality and then dry to obtain the pretreated loofah;

[0057] S2: Add 20mL of 0.5g / L pyrrole monomer solution and pretreated loofah into the dry hydrothermal reaction kettle, then add 0.001g of sodium dodecylsulfonate, 0.005g of ED-900, The ferric chloride of 0.003g obtains mixed so...

Embodiment 2

[0067] The present embodiment provides a kind of preparation method of loofah polypyrrole polymer composite material, and this preparation method comprises the steps:

[0068] S11: Cut the loofah into 1cm*0.5cm*0.5cm blocks, put it into a beaker, add 1L of 5mol / L KOH solution prepared in the beaker, and place it at 20°C for 0.5h; use deionized water washing the loofah to neutrality and then drying to obtain the loofah treated with the alkaline solution;

[0069] S12: Put the loofah treated with the alkaline solution into the beaker again, add 1 L of 0.03mol / L sodium hypochlorite solution prepared in the beaker, and place it at 25°C for 7 hours; then wash the loofah with deionized water to medium drying after drying to obtain the pretreated loofah;

[0070] S2: Add 10mL of 1.0g / L pyrrole monomer solution and pretreated loofah into the dry hydrothermal reaction kettle, then add 0.003g of cetyltrimethylammonium bromide, 0.01g of D -2000, the ammonium persulfate of 0.006g, obtai...

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Abstract

The invention provides a loofah polypyrrole polymer composite material and a preparation method thereof. The preparation method comprises the following steps: pretreating loofah; immersing the pretreated loofah sponge into a pyrrole monomer solution, then adding a morphology control agent, an oxidizing agent for polymerization and a complexing agent, heating to 50-500 DEG C, and meanwhile, carrying out irradiation treatment to obtain polypyrrole modified loofah sponge fibers; and fully mixing the polypyrrole modified loofah sponge fiber with a high-molecular polymer precursor, heating to 90-160 DEG C, and carrying out curing treatment to obtain the loofah sponge polypyrrole polymer composite material. According to the preparation method of the loofah sponge polypyrrole polymer composite material provided by the invention, the application range of polypyrrole is expanded by loading the polypyrrole particles in the micron pore channels in the loofah sponge fibers, and the problem that the application of polypyrrole is limited due to poor solubility and processability is solved.

Description

technical field [0001] The invention relates to the technical field of preparation of polymer composite materials, in particular to a loofah polypyrrole polymer composite material and a preparation method thereof. Background technique [0002] Polymer materials such as conductive polymers have excellent structure and physical and chemical properties, making them a research focus in the field of material science since their discovery; at present, conductive polymers have been widely used in semiconductor materials, electromagnetic materials, sensors, energy, Optoelectronic devices and life sciences and many other fields; Among them, polypyrrole is a typical representative of conductive polymers, it has the advantages of convenient synthesis, no strong acid and strong alkali environment, low electropolymerization potential, good air stability, good mechanical tolerance, biological It has the advantages of high compatibility, low cost, good conductivity, photoelectricity, and p...

Claims

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Application Information

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IPC IPC(8): C08L83/04C08L79/04C08L99/00C08L63/00C08L33/12C08G73/06D06M15/37D06M101/04
CPCC08L83/04C08L63/00C08L33/12C08G73/0611D06M15/37C08L2201/04C08L2205/16D06M2101/04
Inventor 鲁彤向萌吴静高重阳梁正辉陈含冰史苏凡叶惠尹李丰满全梦湫刘诚徐佩雯
Owner JIANGSU UNIV OF TECH
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