Thermoformable polyaryletherketone sheet

Details Thermoformable polyaryletherketone sheet Thermoformable polyaryletherketone sheet

1988-12-13

1991-02-26

Kight, III, John

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528126, 528128, C08G 802

Patent

active

049962876

ABSTRACT:
A thermoformable polyaryletherketone sheet of a thickness of about 625-5000 micrometers, having repeating units derived from diphenyl ether and terephthalyl and isophthalyl groups, especially a polyetherketoneketone in which the terephthalyl to isophthalyl isomer ratio is about 70:30 to 0:100, especially 60:40 to 50:50, which thermoformable sheet has a crystallinity of 5% of less, can be fabricated into three-dimensional articles such as, e.g., panels and ducts for aircraft interiors having good formability and mold replication.

REFERENCES:
patent: 4616056 (1986-10-01), Chan et al.
patent: 4624886 (1986-11-01), Cogswell et al.
patent: 4657717 (1987-04-01), Cattansch et al.
patent: 4662887 (1987-05-01), Turner et al.

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