Polyester process and product

Details Polyester process and product Polyester process and product

1976-10-20

1978-07-11

Phynes, Lucille M.

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

Synthetic resins

Removing and recycling removed material from an ongoing...

264211, 526 65, 528272, 528481, C08G 6370, C08G 6312

Patent

active

041001427

ABSTRACT:
A continuous process for producing high molecular weight polyester of fiber-forming quality is described. The process includes the direct esterification of a dicarboxylic acid with a glycol to yield a prepolymer mixture of ester and low molecular weight polyester condensable under conditions of elevated temperature and vacuum into polymer of high intrinsic viscosity.

REFERENCES:
patent: 3185669 (1965-05-01), McKinney
patent: 3431243 (1969-04-01), Uno et al.
patent: 3438942 (1969-04-01), Scheller
patent: 3446772 (1969-05-01), Forster et al.

Affiliated with

Also associated with

Rating

Polyester process and product does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-261487