我们发现了一种新的自发模型氧化,它产生了一种强大的碱,能够进行碳-碳键形成缩合反应,类似于在维生素 K 介导的谷氨酸羧化中观察到的反应。该模型序列包含一个新的碱基强度增强序列,它暗示分子氧是维生素 K 依赖性羧化的起始因子。当在 (18)O2 气氛下进行氧化时,两个 (18)O 原子会结合到维生素 K 氧化物产品中。选择性 (18)O 标记将甲基旁边的羰基定义为维生素 K 的活性位点。
SEALING AGENT FOR LIQUID-CRYSTAL DISPLAY CELL, COMPOSITION FOR SEALING AGENT FOR LIQUID-CRYSTAL DISPLAY CELL, AND LIQUID-CRYSTAL DISPLAY ELEMENT
申请人:Mitsui Chemicals, Inc.
公开号:EP1153952A1
公开(公告)日:2001-11-14
A sealant for a liquid crystal display cell which has a water absorption coefficient of 2 mass % or less, and a composition for a liquid crystal display cell sealant comprising an epoxy resin (1), a curing agent (2) comprising at least one selected from polyphenol compounds, polyphenol resins and esterified products thereof and a curing accelerator (3) comprising at least one selected from alkylurea derivatives and phosphazene compounds. A liquid crystal display element produced by using the composition is capable of securing long time display (quality) stability under high temperature and high humidity.
Sealant for liquid crystal display cell, composition for liquid crystal display cell sealant and liquid crystal display element
申请人:MITSUI CHEMICALS, INC.
公开号:US20040075802A1
公开(公告)日:2004-04-22
A sealant for a liquid crystal display cell which has a water absorption coefficient of 2 mass % or less, and a composition for a liquid crystal display cell sealant comprising an epoxy resin (1), a curing agent (2) comprising at least one selected from polyphenol compounds, polyphenol resins and esterified products thereof and a curing accelerator (3) comprising at least one selected from alkylurea derivatives and phosphazene compounds. A liquid crystal display element produced by using the composition is capable of securing long time display (quality) stability under high temperature and high humidity.