Process for producing mesophase pitch

Details Process for producing mesophase pitch Process for producing mesophase pitch

1981-07-08

1985-08-06

Gantz, Delbert E.

Mineral oils: processes and products

Asphalts, tars, pitches and resins; making, treating and...

Chemical modification of asphalt, tar, pitch or resin

208 40, C10C 300

Patent

active

045334617

ABSTRACT:
A substantially uniform mesophase pitch is prepared by treating a mesophase forming pitch material at elevated temperatures above about 380.degree. C. to produce a mixture of mesophase and non-mesophase pitch containing about 20% to about 80% mesophase. The mixture is then maintained at a temperature below about 400.degree. C. for a time sufficient to allow the mesophase to coalesce and settle as a lower separable layer. A mesophase pitch so produced may contain from 90 to 100% mesophase with a softening point of less than 320.degree. C.

REFERENCES:
patent: 2896261 (1959-07-01), Mc Afee
patent: 3976729 (1976-08-01), Lewis et al.
patent: 4026788 (1977-05-01), Mc Henry
patent: 4033430 (1977-06-01), Lewis
patent: 4184942 (1980-01-01), Angier et al.

Affiliated with

Also associated with

Rating

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

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-511212