POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIALS

• Main Authors: KAKINUMA NAOYUKI, HASHIMOTO TOSHIYA, KOJIMA KOUYA
• Format: Patent
• Language: English; French; Japanese
• Published: 18.06.2015
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; CONTACT LENSES; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON 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

This polymerizable composition for optical materials contains (A) at least one polythiol which is selected from among 5,7-dimercaptomethyl-1,11-dimercapto-3,6,9-trithiaundecane, 4,7-dimercaptomethyl-1,11-dimercapto-3,6,9-trithiaundecane and 4,8-dimercaptomethyl-1,11-dimercapto-3,6,9- trithiaundecane, (B) a polyisocyanate, and (C) one or more ultraviolet absorbents, each of which has a maximum absorption peak within the range of from 350 nm to 370 nm (inclusive). Cette composition polymérisable pour matériaux optiques contient: A) au moins un polythiol choisi parmi 5,7-dimercaptométhyl-1,11-dimercapto -3,6,9-trithiaundécane, 4,7-dimercaptométhyl-1,11-dimercapto -3,6,9-trithiaundécane et 4,8-dimercaptométhyl-1,11-dimercapto -3,6,9-trithiaundécane; B) un polyisocyanate; et C) un ou plusieurs absorbants d'ultraviolets présentant chacun un pic d'absorption maximal dans la plage de 350 nm à 370 nm (inclus). 　本発明の光学材料用重合性組成物は、（Ａ） ５，７－ジメルカプトメチル－１，１１－ジメルカプト－３，６，９－トリチアウンデカン、４，７－ジメルカプトメチル－１，１１－ジメルカプト－３，６，９－トリチアウンデカン、４，８－ジメルカプトメチル－１，１１－ジメルカプト－３，６，９－トリチアウンデカンから選択される少なくとも一種以上のポリチオールと、（Ｂ）ポリイソシアネートと、（Ｃ）極大吸収ピークが３５０ｎｍ以上３７０ｎｍ以下の範囲である１種以上の紫外線吸収剤と、を含む。