SULFUR-CONTAINING URETHANE-BASED RESIN COMPOSITION, ITS RESIN, AND OPTICAL ELEMENT AND LENS COMPRISING RESIN

• Main Authors: KANEMURA, YOSHINOBU, NAGATA, TERUYUKI, IRIZATO, YOSHIHIRO, UMEDA, SHINICHI
• Format: Patent
• Language: English; Korean
• Published: 01.10.1999
• Edition: 6
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICS; ORGANIC MACROMOLECULAR COMPOUNDS; PHYSICS; THEIR PREPARATION OR CHEMICAL WORKING-UP

본 발명은, 본 발명의 황함유우레탄계 수지조성물이 (1)식: (식중, X, X및 X은 각각 수소원자 또는 메르캅토기; x,y 및 z는 각각 08의 정수; 이들 배합에 있어서, (1)식은 적어도 2개의 메르캅토기를 지님)으로 표시되는 폴리티올화합물과, 폴리이소(티오)시아네이트화합물과, 조성물의 전체중량에 대해서 3070중량의 2개이상의 반응성불포화기를 지닌 화합물로 이루어진 황함유우레탄계 수지조성물, 또는 (1)식으로 표시되는 폴리티올화합물과, 폴리이소(티오)시아네이트화합물과, 전체중량에 대해서 1070중량의 2개이상의 반응성불포화기를 지닌 화합물과, 광중합촉매로 이루어진 황함유우레탄계수지조성물에 관한 것이다. The present application discloses a sulfur-containing urethane-based resin composition which comprises a polythiol compound represented by formula (1): wherein X1, X2 and X3 each is a hydrogen atom or a mercapto group; x, y and z each is an integer of 0 to 8; and in their combinations, formula (1) has at least two mercapto groups, a polyiso(thio)cyanate compound, and a compound having two or more reactive unsaturated groups in an amount of 30 to 70% by weight based on the total weight of the composition, or a sulfur-containing urethane-based resin composition which comprises the polythiol compound represented by formula (1), the polyiso(thio)cyanate compound, the compound having two or more reactive unsaturated groups in an amount of 10 to 70% by weight based on the total weight, and a photopolymerization catalyst.