Polyisocyanate composition, polyurethane resin, two-liquid curable polyurethane composition, and coating material

• Main Authors: KIYONO SHINJI, NAKAGAWA AYA, NAKAGAWA TOSHIHIKO, MORITA HIROKAZU, YAMASAKI SATOSHI
• Format: Patent
• Language: Chinese; English
• Published: 16.02.2018
• Subjects: ADHESIVES; CHEMICAL PAINT OR INK REMOVERS; CHEMISTRY; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS; COMPOSITIONS BASED THEREON; CORRECTING FLUIDS; DYES; FILLING PASTES; INKS; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; ORGANIC MACROMOLECULAR COMPOUNDS; PAINTS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; POLISHES; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF MATERIALS THEREFOR; WOODSTAINS

This polyisocyanate composition includes a modified product of xylylene diisocyanate and a modified product of pentamethylene diisocyanate, and/or includes a modified product comprising xylylene diisocyanate and pentamethylene diisocyanate. The ratio of pentamethylene diisocyanate to the total amount of xylylene diisocyanate and pentamethylene diisocyanate is at least 5 mol%, but not more than 40mol%. 多异氰酸酯组合物含有：苯二甲撑二异氰酸酯的改性体及五亚甲基二异氰酸酯的改性体，以及/或者，由苯二甲撑二异氰酸酯和五亚甲基二异氰酸酯形成的改性体。五亚甲基二异氰酸酯相对于苯二甲撑二异氰酸酯和五亚甲基二异氰酸酯的总量的比例为5摩尔％以上40摩尔％以下。