ISOCYANATE COMPOSITION, PRODUCTION METHOD FOR ISOCYANATE COMPOSITION, AND PRODUCTION METHOD FOR ISOCYANATE POLYMER
申请人:ASAHI KASEI KABUSHIKI KAISHA
公开号:EP3527593A1
公开(公告)日:2019-08-21
An isocyanate composition according to the present invention contains an isocyanate compound of formula (1) and/or (2) (wherein R1 represents a hydrogen or a monovalent organic group, and R2 represents a monovalent organic group), and, relative to the total mass of the isocyanate compound in the composition, 1.0 ppm by mass to 10% by mass of a compound of formula (3): R13-(COO-R14)a (wherein R13 represents an organic group with a valence of a, R14 represents a monovalent organic group, and a represents an integer of 1 or 2), which is different from the isocyanate compound, and/or, 1.0 ppm by mass to 10% by mass of a compound having an UV absorption in an area of decamer or higher isocyanates in a measurement spectrum of gel permeation chromatography.
根据本发明的异氰酸酯组合物含有式(1)和/或(2)的异氰酸酯化合物(其中 R1 代表氢或一价有机基团,R2 代表一价有机基团),以及相对于组合物中异氰酸酯化合物的总质量,1.0ppm(质量)至 10%(质量)的式(3)化合物:R13-(COO-R14)a(其中 R13 代表价数为 a 的有机基团,R14 代表一价有机基团,a 代表 1 或 2 的整数),该化合物与异氰酸酯化合物不同,和/或,在凝胶渗透色谱法的测量光谱中,在十聚体或更高异氰酸酯区域具有紫外吸收的化合物的质量百分比为 1.0 ppm 至 10%。