Patent ID: 6187422
Filing Date: 2001-02-13
Classification: B29C,B29K,Y10T

Abstract:
A transparent, amorphous sheet having a thickness in the range from 1-20 mm which contains, as principal constituent, a crystallizable thermoplastic selected from the group consisting of polyethylene terephthalate, polybutylene terephthalate a cycloolefin polymer and a cycloolefin copolymer, where the surface gloss, measured in accordance with DIN 67530 (measurement angle 20.degree.), is greater than 130, the light transmission, measured in accordance with ASTM D 1003, is greater than 84%, and the haze of the sheet, measured in accordance with ASTM D 1003, is less than 15% and where the sheet has a degree of crystallinity of less than 5%.