发明名称 Pentamethylene diisocyanate, method for producing pentamethylene diisocyanate, polyisocyanate composition, polyurethane resin, and polyurea resin
摘要 A Pentamethylene diisocyanate is obtained by phosgenating pentamethylenediamine or its salt obtained by a biochemical method, and contains 5 to 400 ppm of a compound represented by the general formula (1) below and a compound represented by the general formula (2) below in total:;;
申请公布号 US9376404(B2) 申请公布日期 2016.06.28
申请号 US201514962369 申请日期 2015.12.08
申请人 MITSUI CHEMICALS, INC. 发明人 Nakagawa Toshihiko;Takeuchi Hiroshi;Sato Kuniaki;Yamasaki Satoshi
分类号 C07C263/10;C07D251/34;C08G18/73;C08G18/78;C08G18/79 主分类号 C07C263/10
代理机构 Foley & Lardner LLP 代理人 Foley & Lardner LLP
主权项 1. A polyisocyanate composition produced by modifying a pentamethylene diisocyanate obtained by phosgenating pentamethylenediamine or its salt obtained by a biochemical method and contains 5 to 200 ppm of a compound represented by the general formula (1) below and a compound represented by the general formula (2) below in total, wherein the polyisocyanate composition contains at least one functional group of (a) to (e) below: (a) an isocyanurate group, (b) an allophanate group, (c) a biuret group, (d) a urethane group, and (e) a urea group,
地址 Tokyo JP