OPTICAL ELEMENT COMPOSED OF FLAME-RESISTANT PLASTIC

PROBLEM TO BE SOLVED: To provide optical elements composed of flame-resistant plastics. SOLUTION: The optical elements are optical elements for applications in regions with stringent fire safety regulations, whose color rendering index Rais at least 97 at a thickness of 4 mm, and which are flame-ret...

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Bibliographic Details
Main Authors SCHNELL RUPERT, ZWICKEL GERHARD, GAYDOUL EKKEHARD
Format Patent
LanguageEnglish
Published 18.06.2009
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
METALLURGY
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
ORGANIC MACROMOLECULAR COMPOUNDS
PHYSICS
THEIR PREPARATION OR CHEMICAL WORKING-UP
USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Summary:PROBLEM TO BE SOLVED: To provide optical elements composed of flame-resistant plastics. SOLUTION: The optical elements are optical elements for applications in regions with stringent fire safety regulations, whose color rendering index Rais at least 97 at a thickness of 4 mm, and which are flame-retardant according to DIN 60332 and are mainly composed of a plastic having at least one structural element selected from the group comprising sulfones, sulfides, ethers, esters, ketones and imides. COPYRIGHT: (C)2009,JPO&INPIT
Bibliography:Application Number: JP20080304860