OPTICAL GRADE MOULDING COMPOSITIONS HAVING INCREASED THERMAL STABILITY

• Main Author: CARLOFF Rüdiger
• Format: Patent
• Language: English; Spanish
• Published: 24.01.2023
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; CHEMISTRY; COMPOSITIONS BASED THEREON; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS; METALLURGY; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICS; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; PHYSICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

The present invention relates to a copolymer having increased heat resistance, high transparency and low haze values. The invention further relates to moulding compositions comprising this copolymer and to a process for the manufacturing this copolymer. The moulding compositions of the present invention are highly suitable for the manufacturing of optical elements used in various optical devices including primary optics, secondary optics, tertiary optics as well as light guides. La presente invención se relaciona con un copolímero que tienen mayor resistencia térmica, alta transparencia y bajos valores de turbidez. La invención se relaciona además con composiciones de moldeo que comprenden este copolímero y con un proceso para la fabricación de este copolímero. Las composiciones de moldeo de la presente invención son altamente adecuadas para la fabricación de elementos ópticos utilizados en varios dispositivos ópticos incluyendo dispositivos ópticos primarios, dispositivos ópticos secundarios, dispositivos ópticos terciarios así como guías de luz.