Thermoplastic polyester series resin foamed material and product

Details Thermoplastic polyester series resin foamed material and product Thermoplastic polyester series resin foamed material and product

1993-01-19

1994-07-26

Lesmes, George F.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

4283179, 4283193, 4283197, 428332, B32B 522, B32B 2700

Patent

active

053326202

ABSTRACT:
A thermoplastic polyester series foamed material having a thickness of at least 3 mm and an apparent density of from 0.05 to 0.7 g/cm.sup.3 is diclosed, wherein the crystallinity of the resin in the surface portion within 0.5 mm from the surface of the foamed material is not more than 30% and at least 1% lower than the crystallinity of the resin in the central portion of the foamed material.

REFERENCES:
patent: 3299192 (1967-01-01), Lux
patent: 3317363 (1967-05-01), Weber
patent: 3988403 (1976-10-01), Angell, Jr. et al.
patent: 3993265 (1976-11-01), Parks
patent: 4097421 (1978-06-01), Chang
patent: 4462947 (1984-07-01), Huggard
patent: 4844944 (1989-07-01), Graefe et al.
patent: 4964935 (1990-10-01), Biggs et al.
patent: 5087514 (1992-02-01), Graefe
patent: 5128202 (1992-07-01), Subramanian et al.
patent: 5134028 (1992-07-01), Hayashi et al.
patent: 5186999 (1993-02-01), Brambach
Database WPI, No. 85-239402 (39), Derwent Publications Ltd., London, GB: & JP-A-60 155 243/bas sur Pr: 84-JP 0011523 (Toyobo K.K.) Jan. 24, 1984.
Plastverarbetter, vol. 29, No. 5, May 1978, pp. 256-266, Speyer, DE; P. Gebauer: "Strukturschaum aus polybutylenterephthalat".
Patent Abstracts of Japan, vol. 6, No. 83, (M-130) (961), 21st May 1982, & JP-A-57 20 333 (Teijin K.K.) Feb. 2, 1982.

Affiliated with

Also associated with

Rating

Thermoplastic polyester series resin foamed material 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 Thermoplastic polyester series resin foamed material and product, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Thermoplastic polyester series resin foamed material and product will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1052212