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    • 1. 发明申请
    • LOW SURFACE ENERGY POLYISOCYANATES AND THEIR USE IN TWO-COMPONENT COATING COMPOSITIONS
    • 低表面活性聚异氰酸酯及其在两组分涂料组合物中的用途
    • WO2008020832A1
    • 2008-02-21
    • PCT/US2006/031676
    • 2006-08-14
    • BAYER MATERIALSCIENCE LLCROESLER, Richard, R.GARRETT, JamesLOCKHART, Aaron, A.KINNEY, Carol, L.
    • ROESLER, Richard, R.GARRETT, JamesLOCKHART, Aaron, A.KINNEY, Carol, L.
    • C08G18/28C08G18/10C08G18/73C08G18/79C08G18/78C09D175/06
    • C08G18/289C08G18/10C08G18/73C08G18/7831C08G18/791C09D175/06C08G18/42
    • The present invention is directed to a polyisocyanate mixture i) having a monomeric diisocyanate content of less than 3% by weight, ii) having a urethane group content of more than 50 equivalent %, based on the total equivalents of urethane and allophanate groups, and iii) containing siloxane groups (calculated as SiO, MW 44) in an amount of 0.002 to 50% by weight, wherein the preceding percentages are based on the solids content of the polyisocyanate mixture and wherein the siloxane groups are incorporated by reacting a) an isocyanate group from a polyisocyanate adduct containing at least 60% by weight, based on the total weight of the polyisocyanate adduct, of a polyisocyanate adduct which is prepared from 1,6-hexamethylene diisocyanate, contains isocyanurate, iminooxadiazine dione and/or uretdione groups and has a viscosity at 25°C and 100% solids of less than 2000 mPa.s, with b) a compound containing one or more hydroxyl groups directly attached to a carbon atom and one or more siloxane groups to form urethane groups. The present invention also relates to the use of this polyisocyanate mixture, optionally in blocked form, as an isocyanate component in two- component coating compositions.
    • 本发明涉及单体二异氰酸酯含量小于3重量%的二异氰酸酯混合物,ii)氨基甲酸酯基含量大于等于50当量的氨基甲酸酯和脲基甲酸酯基,和 iii)含有0.002至50重量%的硅氧烷基团(以SiO,MW 44计算),其中前述百分比基于多异氰酸酯混合物的固体含量,并且其中硅氧烷基团通过使a) 基于多异氰酸酯加合物的总重量至少为60重量%的由1,6-六亚甲基二异氰酸酯制备的多异氰酸酯加合物的多异氰酸酯加合物的异氰酸酯基包含异氰脲酸酯,亚氨基恶嗪二酮和/或脲二酮基团, 在25℃下的粘度和100%固体小于2000mPa.s,其中b)包含一个或多个直接连接到碳原子上的羟基的化合物和一个或多个Si 用于形成氨基甲酸酯基团。 本发明还涉及这种多异氰酸酯混合物(任选地以封闭形式)在双组分涂料组合物中作为异氰酸酯组分的用途。
    • 3. 发明申请
    • LOW SURFACE ENERGY POLYISOCYANATES AND THEIR USE IN ONE-OR TWO-COMPONENT COATING COMPOSITIONS
    • 低表面能量聚异氰酸酯及其在一次或双组分涂料组合物中的用途
    • WO2007019132A1
    • 2007-02-15
    • PCT/US2006/029897
    • 2006-08-01
    • BAYER MATERIALSCIENCE LLCROESLER, Richard, R.LOCKHART, AaronKINNEY, Carol, L.GARRETT, James
    • ROESLER, Richard, R.LOCKHART, AaronKINNEY, Carol, L.GARRETT, James
    • C08G18/61C08G18/79C09D175/04
    • C08G18/289C08G18/307C08G18/42C08G18/792C08G18/809C09D175/04
    • The present invention is directed to a polyisocyanate mixture i) having a monomeric diisocyanate content of less than 3% by weight, ii) having a urethane group content of more than 50 equivalent %, based on the total equivalents of urethane and allophanate groups, and iii) containing siloxane groups (calculated as SiO, MW 44) in an amount of 0.002 to 50% by weight, wherein the preceding percentages are based on the solids content of the polyisocyanate mixture and wherein the siloxane groups are incorporated by reacting a) an isocyanate group from a polyisocyanate adduct containing isocyanurate groups and prepared from a monomeric diisocyanate having at least one cycloaliphatic group with b) a compound containing one or more hydroxyl groups directly attached to a carbon atom and one or more siloxane groups to form urethane groups. The present invention also relates to the use of this polyisocyanate mixture, optionally in blocked form, as an isocyanate component in one- or two-component coating compositions.
    • 本发明涉及单体二异氰酸酯含量小于3重量%的二异氰酸酯混合物,ii)氨基甲酸酯基含量大于等于50当量的氨基甲酸酯和脲基甲酸酯基,和 iii)含有0.002至50重量%的硅氧烷基团(以SiO,MW 44计算),其中前述百分比基于多异氰酸酯混合物的固体含量,并且其中硅氧烷基团通过使a) 异氰酸酯基团,其由含有异氰脲酸酯基团的多异氰酸酯加合物制备,并由具有至少一个脂环族基团的单体二异氰酸酯制备,b)含有一个或多个直接连接到碳原子上的羟基和一个或多个硅氧烷基团以形成氨基甲酸酯基团的化合物。 本发明还涉及这种多异氰酸酯混合物(任选地为封闭形式)在单组分或双组分涂料组合物中作为异氰酸酯组分的用途。
    • 9. 发明公开
    • LOW SURFACE ENERGY POLYISOCYANATES AND THEIR USE IN ONE-OR TWO-COMPONENT COATING COMPOSITIONS
    • 低表面能多异氰酸酯及其在单组分或双组分涂料组合物中的用途
    • EP1919974A1
    • 2008-05-14
    • EP06789083.0
    • 2006-08-01
    • Bayer MaterialScience LLC
    • ROESLER, Richard, R.LOCKHART, AaronKINNEY, Carol L.GARRETT, James
    • C08G18/61C08G18/79C09D175/04
    • C08G18/289C08G18/307C08G18/42C08G18/792C08G18/809C09D175/04
    • The present invention is directed to a polyisocyanate mixture i) having a monomeric diisocyanate content of less than 3% by weight, ii) having a urethane group content of more than 50 equivalent %, based on the total equivalents of urethane and allophanate groups, and iii) containing siloxane groups (calculated as SiO, MW 44) in an amount of 0.002 to 50% by weight, wherein the preceding percentages are based on the solids content of the polyisocyanate mixture and wherein the siloxane groups are incorporated by reacting a) an isocyanate group from a polyisocyanate adduct containing isocyanurate groups and prepared from a monomeric diisocyanate having at least one cycloaliphatic group with b) a compound containing one or more hydroxyl groups directly attached to a carbon atom and one or more siloxane groups to form urethane groups. The present invention also relates to the use of this polyisocyanate mixture, optionally in blocked form, as an isocyanate component in one- or two-component coating compositions.
    • 本发明涉及单体二异氰酸酯含量小于3重量%的多异氰酸酯混合物i),ii)基于氨基甲酸酯和脲基甲酸酯基团的总当量计,氨基甲酸酯基含量大于50当量%,和 iii)含有0.002至50重量%的硅氧烷基团(以SiO计算,MW 44),其中前述百分比基于多异氰酸酯混合物的固体含量,并且其中硅氧烷基团通过以下反应引入:a) 由含有异氰脲酸酯基团并由具有至少一个环脂族基团的单体二异氰酸酯与b)含有一个或多个直接连接至碳原子的羟基和一个或多个硅氧烷基团以形成氨基甲酸酯基团的化合物制备的多异氰酸酯加合物。 本发明还涉及这种多异氰酸酯混合物,任选地以封端形式用作单组分或双组分涂料组合物中的异氰酸酯组分。