Recovery of 2,6-naphthalene dicarboxylic acid from polyesters

Details Recovery of 2,6-naphthalene dicarboxylic acid from polyesters Recovery of 2,6-naphthalene dicarboxylic acid from polyesters

1998-09-18

2000-08-15

Richter, Johann

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acids and salts thereof

528176, 528272, 528298, C07C 51347, C07C 5109

Patent

active

061039306

ABSTRACT:
This invention concerns a method for recycling polyesters comprising the hydrolysis of polyesters containing repeat units derived from 2,6-naphthalene dicarboxylic acid in the presence of a carboxylic acid which gives pure 2,6-naphthalene dicarboxylic acid suitable for use as a monomer.

REFERENCES:
patent: 3629202 (1971-12-01), Gilkey et al.
patent: 5414113 (1995-05-01), Broeker et al.
patent: 5473102 (1995-12-01), Johnson et al.
Encyclopedia of Polymer Science and Engineering, vol. 12, pp. 29-31, 34 and 35, 1988.
Ullmann's Encyclopedia of Industrial Chemistry, Fifth edition, pp. 228-239, 1992.
H. Zhang et al., Macromolecules, 28, 7622-7629, 1995.

Affiliated with

Also associated with

Rating

Recovery of 2,6-naphthalene dicarboxylic acid from polyesters does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Recovery of 2,6-naphthalene dicarboxylic acid from polyesters, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Recovery of 2,6-naphthalene dicarboxylic acid from polyesters will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2008732