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    • 3. 发明申请
    • HIGH-REACTIVITY POLYURETHANE COMPOSITIONS CONTAINING URETDIONE GROUPS AND COMPRISING CARBONATE SALTS
    • 含有尿素组的高反应性聚氨酯组合物并包含碳酸盐
    • US20160017179A1
    • 2016-01-21
    • US14796619
    • 2015-07-10
    • Emmanouil SPYROUAndrea DIESVELDAndrea THESINGHolger LOESCH
    • Emmanouil SPYROUAndrea DIESVELDAndrea THESINGHolger LOESCH
    • C09D175/12C09J175/12
    • C09D175/12C08G18/003C08G18/1875C08G18/4236C08G18/798C08K5/1515C09D175/06C09J175/12
    • A high-reactivity polyurethane composition useful in coatings and adhesives, contains the following components A)-D): A) 5 to 98.7 wt %, based on the total mass of the components, of at least one compound containing an uretdione group, and a free NCO content of less than 5 wt %, and an uretdione content of 2 to 25 wt %, based on i) aliphatic and/or (cyclo)aliphatic and/or cycloaliphatic polyisocyanates and ii) compounds containing hydroxyl groups; B) 0.2 to 5 wt %, based on the total mass of the components, of at least one catalyst selected from the group consisting of a substituted carbonate salt having a quaternary ammonium counterion, a substituted carbonate salt having a quaternary phosphonium counterion and mixtures thereof; C) 0.1 to 10 wt %, based on the total mass of the components, of at least one cocatalyst having at least one epoxide group; D) 1 to 90 wt %, based on the total mass of the components, of at least one polymer containing a hydroxyl group and having an OH number of between 20 and 1000 mg KOH/gram; wherein a sum of all components A)-D) is 100 wt %.
    • 用于涂料和粘合剂的高反应性聚氨酯组合物含有以下组分A)-D):A)至少一种含有脲二酮基团的化合物为5〜98.7重量%,基于组分的总质量, 基于i)脂族和/或(环)脂族和/或脂环族多异氰酸酯和ii)含羟基的化合物,游离NCO含量小于5重量%,脲二酮含量为2至25重量% B)0.2至5重量%,基于组分的总质量,至少一种催化剂选自具有季铵抗衡离子的取代碳酸盐,具有季鏻抗衡离子的取代碳酸盐及其混合物 ; C)0.1至10重量%,基于组分的总质量,至少一种具有至少一个环氧基团的助催化剂; D)1至90重量%,基于组分的总质量,至少一种含羟基并且OH值为20至1000mg KOH /克的聚合物; 其中所有组分A)-D)的总和为100重量%。