LASTRE O BLOCCHI DI VETRO ACRILICO TRASPARENTE PROCEDIMENTO PER LALORO PREPARAZIONE ED USO PER LA FABBRICAZIONE DI STRUMENTI OTTICI

LASTRE O BLOCCHI DI VETRO ACRILICO TRASPARENTE PROCEDIMENTO PER LALORO PREPARAZIONE ED USO PER LA FABBRICAZIONE DI STRUMENTI OTTICI

A sheet or block of crystal-clear acrylic glass with a smallest dimension of at least 20 mm, particularly suitable for the manufacture of optical equipment, it contains 0.5 to 1.5% by weight. At average relative humidities, the water content of the acrylic glass is in equilibrium with the moisture i...

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Hauptverfasser: JURGEN KRAUTTER, KURT KINDINGER
Format: Patent
Sprache:ita
Schlagworte:
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
PHYSICS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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creator JURGEN KRAUTTER
KURT KINDINGER
description A sheet or block of crystal-clear acrylic glass with a smallest dimension of at least 20 mm, particularly suitable for the manufacture of optical equipment, it contains 0.5 to 1.5% by weight. At average relative humidities, the water content of the acrylic glass is in equilibrium with the moisture in the air, so that there is no gradient in the optical refractive index as a result of the uptake or release of water in the outer regions of the acrylic glass object. The blocks or sheets are obtained by a bulk in-mould polymerization of methyl methacrylate in the presence of the water.
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At average relative humidities, the water content of the acrylic glass is in equilibrium with the moisture in the air, so that there is no gradient in the optical refractive index as a result of the uptake or release of water in the outer regions of the acrylic glass object. 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At average relative humidities, the water content of the acrylic glass is in equilibrium with the moisture in the air, so that there is no gradient in the optical refractive index as a result of the uptake or release of water in the outer regions of the acrylic glass object. The blocks or sheets are obtained by a bulk in-mould polymerization of methyl methacrylate in the presence of the water.</abstract><edition>3</edition><oa>free_for_read</oa></addata></record>
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subjects 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
PHYSICS
THEIR PREPARATION OR CHEMICAL WORKING-UP
title LASTRE O BLOCCHI DI VETRO ACRILICO TRASPARENTE PROCEDIMENTO PER LALORO PREPARAZIONE ED USO PER LA FABBRICAZIONE DI STRUMENTI OTTICI
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