Polyester, process for producing the same and molding product th

Details Polyester, process for producing the same and molding product th Polyester, process for producing the same and molding product th

1997-04-15

1998-12-22

Acquah, Samuel A.

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

Synthetic resins

From carboxylic acid or derivative thereof

528275, 528277, 528280, 528281, 528283, 528285, 528286, 528307, 5283086, 524706, 524710, 524779, 524783, 524784, 524785, C08G 6378, C08K 302

Patent

active

058521640

ABSTRACT:
A polyester comprises a dicarboxylic acid moiety comprising terephthalic acid or its ester forming derivative and a diol moiety comprising ethylene glycol and 1,4-cyclohexanedimethanol of 10 to 60 mol % based on the whole diol moiety, the intrinsic viscosity of the polyester being 0.68 to 0.95 dl/g, the "b" value of color tone of the produced pellets of polyester being -5 to 5, the number of the carboxylic acid terminals being not more than 30 eq/ton, and the sum of the numbers of the vinyl terminals, the vinylidene terminals and the methylcyclohexene terminals being not more than 25 eq/ton.

REFERENCES:
patent: 4010145 (1977-03-01), Russin et al.
patent: 4104263 (1978-08-01), Kenney
patent: 4122107 (1978-10-01), Kenney
patent: 4128533 (1978-12-01), Kohler et al.
patent: 4356299 (1982-10-01), Cholod et al.
patent: 4424140 (1984-01-01), Weinberg et al.
patent: 4440924 (1984-04-01), Kuze et al.
patent: 4499262 (1985-02-01), Fagerburg et al.
patent: 4692506 (1987-09-01), Yatsu et al.
patent: 5021485 (1991-06-01), Gugumus
patent: 5340908 (1994-08-01), Idage et al.
patent: 5480926 (1996-01-01), Fagerburg et al.
patent: 5608031 (1997-03-01), Yau et al.
patent: 5650481 (1997-07-01), Yau et al.
Mater. Plast., Bucharest, 1980, 17(2), 85-88 Abstr. 1980: 585355.
Derwent Abstr. 97-041659/04.
Derwent Abstr. 94-006072/01.
Derwent Abstr. 77-335004/19.

Affiliated with

Also associated with

Rating

Polyester, process for producing the same and molding product th 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 for producing the same and molding product th, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Polyester, process for producing the same and molding product th will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2049115