COMPOSITION POLYMERISABLE PAR VOIE RADICALAIRE CONDUISANT A DES VERRES ORGANIQUES RESISTANTS AU CHOC

Radically polymerizable composition comprises: (A) more than 15 wt.% of an at least bifunctional oligomer capable of forming a homopolymer with a glass transition temperature (Tg) below 50 deg C and a copolymer with a Tg of 50 deg C or less; and (B) at least 15 wt.% of a hydrogen-bonding (meth)acryl...

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Bibliographische Detailangaben
Hauptverfasser:	YEAN LEANIRITH, RICHARD GILLES, PRIMEL ODILE
Format:	Patent
Sprache:	fre
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON CONTACT LENSES MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS ORGANIC MACROMOLECULAR COMPOUNDS PHYSICS SPECTACLES SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	Radically polymerizable composition comprises: (A) more than 15 wt.% of an at least bifunctional oligomer capable of forming a homopolymer with a glass transition temperature (Tg) below 50 deg C and a copolymer with a Tg of 50 deg C or less; and (B) at least 15 wt.% of a hydrogen-bonding (meth)acrylic monomer. An Independent claim is also included for a product resulting from the thermal and/or photochemical polymerization of a composition as above.