OPTICAL POLYMER AND OPTICAL ELEMENT OBTAINED BY FORMING THEREOF

• Main Authors: KOMATSUBARA TAKUYA, HARAUCHI YOSUKE, UMEDA KENJI, HOUKAWA TAKASHI, NISHIOKA HIROYA, SATO AYUMI
• Format: Patent
• Language: English; French; Japanese
• Published: 03.07.2014
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICS; ORGANIC MACROMOLECULAR COMPOUNDS; PHYSICS; THEIR PREPARATION OR CHEMICAL WORKING-UP

An optical polymer which satisfies formula (1) when the melt viscosity at a shear rate of 200 (1/s) at 290°C is A and the melt viscosity at a shear rate of 2000 (1/s) at 290°C is B. ( A- B)/ B×100<60 (1) L'invention porte sur un polymère optique qui satisfait à la formule (1), où A est la viscosité à l'état fondu à un taux de cisaillement de 200 (1/s) à 290°C et B est la viscosité à l'état fondu à un taux de cisaillement de 2 000 (1/s) à 290°C : ( A - B)/ B × 100 < 60 (1).