Branched copolyesters especially suitable for extrusion blow mol

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

528272, 528302, 528308, 5283086, 2641761, C08G 6312

Patent

active

055233821

ABSTRACT:
Disclosed are polyester particles adapted to be extrusion blow molded into articles having improved rheological qualities and a process for producing such particles, said particles comprising a polyester having repeat units from about 40 to 100 mol % terephthalic acid, about 80-98 mol % ethylene glycol, about 0.5-10 mol % 1,4-cyclohexanedimethanol, about 3-10 mol % diethylene glycol, and about 0.05-1.0 mol % of a polyfunctional branching agent, the molecular weight gradient from core to surface of said particles satisfying the following parameters:

REFERENCES:
patent: 2895946 (1959-07-01), Huffman
patent: 3406045 (1968-10-01), Sattler
patent: 3502620 (1970-03-01), Caldwell
patent: 3576773 (1971-04-01), Vaginay
patent: 3580874 (1971-05-01), Nishimura
patent: 4064112 (1977-12-01), Rothe et al.
patent: 4217440 (1980-08-01), Barkey
patent: 4983711 (1991-01-01), Sublett et al.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Branched copolyesters especially suitable for extrusion blow mol does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Branched copolyesters especially suitable for extrusion blow mol, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Branched copolyesters especially suitable for extrusion blow mol will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-384122

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.