G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 5/02 (2006.01) C08L 69/00 (2006.01)
Patent
CA 2619498
The invention relates to a solid plate consisting of a composition of a transparent polycarbonate with a molar mass of Mw of between 16,000 and 21,000 g/mol and an MFR of between 50 and 80 cm3/(10 min) (3000C; 1.2 kg), and transparent polymer particles having an optical density which is different from that of matrix materials. The invention also relates to the use of one such solid plate as a diffuser plate in flat-panel monitors.
L'invention concerne une plaque compacte composée d'un polycarbonate transparent, de masse molaire Mw = 16.000 à 21.000 g/mol et de MFR = 50 à 80 cm3/(10 min) (3000C; 1,2 kg), et de particules polymères transparentes dont la densité optique est différente du matériau de matrice. La présente invention porte également sur l'utilisation d'une plaque compacte de ce type comme plaque de diffusion dans des écrans plats.
Grueter-Reetz Tanja
Kaneko Fumika
Kraner Klaus
Roehner Juergen
Ruediger Claus
Bayer Materialscience Ag
Fetherstonhaugh & Co.
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