Conducting Insulating Polyaniline

Details:

Description of Polyaniline from Wuhan Fortuna Chemical Co.,Ltd

Basic Information of Polyaniline
Product Name	Polyaniline(Conducting State/Insulating State)
CAS NO.	25233-30-1/5612-44-2
Apperance	Dark Green Powder
Assay	98%
Pacakge	1kg/Foil Bag
MOQ	1kg
Storage	Cool and dry place
Shelf Life	2 Years
Brand	Watson

Specifications(COA) of PANI Polyaniline Conducting/Insulating State CAS 25233-30-1/5612-44-2 Conductive Polymer Emeraldine Salt High Purity of 98%

 

ITEMS	SPECIFICATION	RESULTS
Appearance	Green Powder(100um)	Dark Green Powder
Purity wt %	≥98	98.5
Electric Conductivity S/cm	0.5 ～ 1.5	0.5
Performance density g/cm3	0.25～ 0.45	0.3
Partical size µm	＜106µm	100µm
Doping rate (molar ratio)	>30%	35%
Conclusion	QUALIFIED.

 

Polyaniline (often abbreviated as PANI) is a conducting polymer that has garnered significant attention in the fields of materials science and engineering due to its unique electrical, chemical, and physical properties. It is one of the most extensively studied conducting polymers alongside polythiophene and polypyrrole.

 

Chemical Structure and Synthesis

Polyaniline is derived from the oxidative polymerization of aniline, an aromatic amine. The polymer can exist in several oxidation states, including:

 

1. Leucoemeraldine: The fully reduced form.

2. Emeraldine: The half-oxidized form, which is electrically conductive when doped.

3. Pernigraniline: The fully oxidized form.

 

The emeraldine salt form is particularly notable for its conductivity and stability. The synthesis of polyaniline typically involves chemical or electrochemical methods, with chemical oxidative polymerization being the most common approach. Various dopants, such as acids, can be used to enhance its conductivity by introducing charge carriers.

 

Properties

- Electrical Conductivity: Polyaniline exhibits variable conductivity, which can be tuned by doping and the oxidation state of the polymer. Its conductivity ranges from insulating in its leucoemeraldine form to metallic levels in its pernigraniline form.

 

- Environmental Stability: PANI is relatively stable under ambient conditions, resisting degradation from air and moisture better than some other conducting polymers.

 

- Mechanical Properties: It possesses good mechanical strength and flexibility, making it suitable for various applications.

 

- Color Variations: Depending on its oxidation state and doping level, polyaniline can display a range of colors from yellow (leucoemeraldine) to green (emeraldine) and blue (pernigraniline).

 

Applications

Polyaniline's unique properties make it suitable for a wide array of applications, including:

 

- Electronics and Sensors: Used in antistatic coatings, electromagnetic shielding, and as a material for sensors detecting gases like ammonia and nitric oxide.

 

- Energy Storage: Utilized in batteries and supercapacitors due to its good electrical conductivity and redox properties.

 

- Corrosion Protection: Acts as a protective coating for metals, preventing corrosion.

 

- Biomedical Devices: Explored for use in biosensors and drug delivery systems owing to its biocompatibility.

 

Flexible Electronics: Its flexibility and conductivity make it ideal for wearable electronic devices.

 

Advantages and Challenges

Advantages:

Tunability: Its electrical properties can be easily modified through doping and synthesis conditions.

Cost-Effectiveness: Relatively inexpensive to produce compared to some other conducting polymers.

Environmental Stability: Greater resistance to environmental degradation.

 

Challenges:

Processability: Polyaniline can be challenging to process into certain forms, such as films or fibers, without compromising its properties.

Limited Solubility: Its solubility is often limited, which can hinder processing and application development.

Mechanical Brittleness: While it has good mechanical strength, it can be brittle under certain conditions.

 

Conclusion

Polyaniline stands out as a versatile and promising material in the realm of conducting polymers. Its adjustable electrical properties, combined with environmental stability and a range of practical applications, continue to drive research and development aimed at harnessing its full potential in advanced technological solutions.

 

 

FAQ From Wuhan Fortuna Chemical Co.,Ltd
Q	Can I get a sample for free ?
A	For small QTY and low value product, we can provide sample for free exclude shipping cost. For high value sample, we will charge the basic sample cost, but we can refund all the cost if customers place order after sample test.
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A	For less than 100kg gross weight order will ship with courier like FedEx or UPS, we support customers to place courier orders remotely by their account, we will package the goods well and wait for pick up.For more than 100kg goods, we will transport by Air or Sea according to customers' requirement.
Q	How long is your after-sales service?
A	We accept customer’s quality complaint in three month after customer received the goods. We provide tech.support for all-life if customer place order from our company.
Q	How do you treat quality complaint ?
A	We support customer to provide our products to any rightful third party testing organization to test our products according to the COA specification, if the test result is confirm with COA, we will take all the loss for customers.

Wuhan Fortuna Chemical Co.,Ltd is a professional manufacturer which provide Polyaniline with good quality and best price, welcome to contact us to get COA/TDS/MSDS of Polyaniline.