Polyphenylene producing method

Details Polyphenylene producing method Polyphenylene producing method

2006-02-17

2010-02-23

Boykin, Terressa M (Department: 1796)

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

C524S114000, C524S115000, C524S186000, C524S196000, C524S414000, C524S496000, C528S086000, C528S087000, C528S217000

Reexamination Certificate

active

07666974

ABSTRACT:
Disclosed is a method for production of polyphenylene by means of polymerization of phenols. The method comprises using hydroquinone as a phenol, which is predissolved in water or in alcoholic solution, adding hydrogen peroxide in the presence of transition metals aquo-ions, and controlling temperature during polymerization keeping it not higher than the boiling point, and controlling pH in the range of 2-7. In on example embodiment, Cr, Mn, Fe, Cu, Ni, Co, Zn aquo-ions or a combination thereof may be used as transition metal aquo-ions.

REFERENCES:
patent: 4263426 (1981-04-01), Cooper et al.
patent: 4404354 (1983-09-01), Kitamura
patent: 598911 (1978-03-01), None

Affiliated with

Also associated with

Rating

Polyphenylene producing method does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Polyphenylene producing method, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Polyphenylene producing method will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4203416