Water-soluble self-acid-doped polyaniline, method of preparation

Details Water-soluble self-acid-doped polyaniline, method of preparation Water-soluble self-acid-doped polyaniline, method of preparation

1995-07-12

1997-06-24

Clark, W. Robinson H.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Nitrogen-containing reactant

528373, 528391, C08G 7300

Patent

active

056418590

ABSTRACT:
The present invention discloses a water-soluble self-acid-doped polyaniline, and its sodium salt, which can be cast into free-standing films from their aqueous solutions. A process for preparing a water-soluble self-acid-doped polyaniline is also disclosed, which comprises reacting a polyaniline with a strong base to convert the amino nitrogen thereof to anionic nitrogen; reacting sultone with the anionic nitrogen to form a side chain alkanesulfonic acid group; doping with protonic acid to form precipitate; dissolving (undoping) the precipitate in an alkaline aqueous solution; removing excess alkali from the alkaline aqueous solution; and contacting the resulting aqueous solution with a H.sup.+ -type ion exchange resin. Moreover, an aqueous solution of the present water-soluble self-acid-doped PAn can be easily mixed with an additional water soluble polymer or polymer emulsion, which can then be cased into a polymer blend film having improved mechanical properties and coupling strength to a substrate.

REFERENCES:
patent: 5232631 (1993-08-01), Cao et al.
Show-An Chen et al. "Synthesis of Water-Soluble Self-Acid-Doped Polyaniline" J. Am. Chem. Soc./ Aug. 1994/ 116, 7939-7940.
P. Hany et al., "Polyanilines with Covalently Bonded Alkyl Sulfonates as Doping Agent. Synthesis and Properties", Synthetic Metals,/ 1989/ 369-378.

Affiliated with

Also associated with

Rating

Water-soluble self-acid-doped polyaniline, method of preparation does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Water-soluble self-acid-doped polyaniline, method of preparation, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Water-soluble self-acid-doped polyaniline, method of preparation will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-149918