Copolyester having gas-barrier property

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

528176, 528190, 528195, 525437, 525444, C08G 6302, C08G 6318

Patent

active

050397800

ABSTRACT:
A copolyester having an intrinsic viscosity, measured in o-chlorophenol at 25.degree. C., of 0.3 to 1.5 dl/g and being derived from dicarboxylic acid units composed of 95 to 60 mole % of isophthalic acid units and 5 to 40 mole % of 2,6-naphthalenedicarboxylic acid units and dihydroxy compound units composed of 95 to 70 mole % of ethylene glycol units and 5 to 30 mole % of 1,3-bis(2-hydroxyethoxy)benzene units; a gas barrier imparting agent composed of the copolyester; a polyester composition composed of (A) a polyethylene terephthlate and (B) the copolyester; and a film, a preform and a container composed of the polyester composition. Also provided are a polyester laminated structure, a stretched laminated structure, a preform and a laminated blow-molded article each composed of (C) a polyalkylene terephthalate layer and (D) a copolyester layer composed of the copolyester or the polyester composition.

REFERENCES:
patent: 3972852 (1976-08-01), Inata et al.
patent: 4060516 (1977-11-01), Kuratsuji et al.
patent: 4100142 (1978-07-01), Schaefer et al.
patent: 4390683 (1983-06-01), Yatsu et al.
patent: 4692506 (1987-09-01), Yatsu 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

Copolyester having gas-barrier property does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Copolyester having gas-barrier property, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Copolyester having gas-barrier property will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1528197

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