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    • 32. 发明授权
    • Coating compositions based on aldimines and polyisocyanates containing
uretdione groups
    • 基于含有脲二酮基团的醛亚胺和多异氰酸酯的涂料组合物
    • US5523376A
    • 1996-06-04
    • US361270
    • 1994-12-21
    • Sharon D. HicksJohn H. HunterDouglas A. Wicks
    • Sharon D. HicksJohn H. HunterDouglas A. Wicks
    • C08G18/32C08G18/72C08G18/79C08G18/00C08G18/16C08G18/18
    • C08G18/3256C08G18/725C08G18/798
    • The present invention is directed to coating compositions which have long pot lives and may be rapidly cured under ambient conditions to provide coatings with improved optical properties and resistance to yellowing, such coating compositions containing as bindera) a polyisocyanate component containingi) 5 to 100% by weight of a polyisocyanate adduct containing uretdione groups andii) 0 to 95% by weight of a monomeric polyisocyanate, an NCO prepolymer or a polyisocyanate adduct other than i), andb) an aldimine based on the reaction product of a polyamine having 2 or more primary amino groups with an aldehyde corresponding to the formula:O.dbd.CHCH(R.sub.1)(R.sub.2)wherein R.sub.1 and R.sub.2 may be the same or different and represent optionally substituted hydrocarbon radicals, or R.sub.1 and R.sub.2 together with the .beta.-carbon atom form a cycloaliphatic or heterocyclic ring,wherein components a) and b) are present in an amount sufficient to provide an equivalent ratio of isocyanate groups to aldimine groups of 0.5:1 to 20:1.
    • 本发明涉及具有长的使用寿命并且可以在环境条件下快速固化以提供具有改善的光学性质和耐黄变性的涂层的涂料组合物,所述涂料组合物含有作为粘合剂的包含i)多异氰酸酯组分,其包含i)5至100 重量%的含有脲二酮基团的多异氰酸酯加合物和ii)0至95重量%的单体多异氰酸酯,NCO预聚物或除i)之外的多异氰酸酯加合物,和b)基于具有 2个或更多个具有对应于下式的醛的伯氨基:O = CHCH(R 1)(R 2),其中R 1和R 2可以相同或不同,表示任选取代的烃基,或R 1和R 2与β-碳 原子形成脂环族或杂环,其中组分a)和b)以足以提供异氰酸酯基团与醛亚胺基团的当量比例的量存在o f 0.5:1至20:1。
    • 35. 发明申请
    • KETAL ESTERS OF OXOCARBOXYLIC ACIDS AND PROCESS OF MAKING
    • 羟基羧酸的酯盐和制备方法
    • US20120323024A1
    • 2012-12-20
    • US13395317
    • 2010-09-13
    • Douglas A. WicksSergey SelifonovMarc Davis Scholten
    • Douglas A. WicksSergey SelifonovMarc Davis Scholten
    • C07D317/24C07D319/06
    • C07D317/14
    • A ketal ester of an oxocarboxylic acid and a process to make the same, where the ketal ester is of Structure (I): wherein a is 0 or an integer from 1 to 12; n is 0 or 1; R1 is a linear alkyl, aryl, arylalkylene, or branched alkyl group with 1-18 carbon atoms; R2 and R5 can be hydrogen, C1-6 straight chain or branched alkyl, phenyl, substituted phenyl, C1-6 alkyl substituted with up to four OH groups, C1-6 alkyl, or acetyl optionally substituted hydrocarbon radicals, or R2 and R4 together with the α-carbon form a cycloaliphatic or heterocyclic ring with 3-6 carbon atoms and 0-3 heteroatoms, provided that only one of R2 and R5 is hydrogen; R3 is a linear alkyl or branched alkyl group with 1-18 carbon atoms; and R4 is hydrogen, or an alkyl, aryl, aralkyl or branched alkyl group with 1-10 carbon atoms.
    • 一种氧代羧酸的缩酮酯及其制备方法,其中缩酮为结构式(I):其中a为0或1至12的整数; n为0或1; R1是具有1-18个碳原子的直链烷基,芳基,芳基亚烷基或支链烷基; R 2和R 5可以是氢,C 1-6直链或支链烷基,苯基,取代的苯基,被至多四个OH基取代的C 1-6烷基,C 1-6烷基或乙酰基任选取代的烃基,或者R 2和R 4一起 与α-碳形成具有3-6个碳原子和0-3个杂原子的脂环族或杂环,条件是只有一个R2和R5是氢; R3是具有1-18个碳原子的直链烷基或支链烷基; 和R 4是氢,或具有1-10个碳原子的烷基,芳基,芳烷基或支链烷基。