Patent ID: 9056950
Filing Date: 2015-06-16
Classification: A21B,B29C,B29K,B29L,C08J,Y10T

Abstract:
1. An extruded sheet for use in a thermoformed product, wherein the sheet has a thickness of less than about 7 millimeters, the sheet being formed from a polymeric composition that comprises an aromatic liquid crystal polymer and filler particles, wherein the aromatic liquid crystal polymer contains repeating units derived from p-hydroxybenzoic acid, 4,4′-dihydroxybiphenyl, terephthalic acid, and 2-hydroxy-6-naphthalenecarboxylic acid, and wherein the polymer has a heat of crystallization of greater than about 3.3 J/g as determined in accordance with ISO Test No. 11357, a melting point of greater than about 300° C., and a melt viscosity of greater than about 50 Pa-s as determined in accordance with ASTM Test No. 1238-70 at a shear rate of 1000 s −1 and at a temperature that is 20° C. above the melting point.