HIGH-REACTIVITY POLYURETHANE COMPOSITIONS CONTAINING URETDIONE GROUPS AND COMPRISING CARBONATE SALTS
    94.
    发明申请
    HIGH-REACTIVITY POLYURETHANE COMPOSITIONS CONTAINING URETDIONE GROUPS AND COMPRISING CARBONATE SALTS 审中-公开
    含有尿素组的高反应性聚氨酯组合物并包含碳酸盐

    公开(公告)号:US20160017179A1

    公开(公告)日:2016-01-21

    申请号:US14796619

    申请日:2015-07-10

    Abstract: 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 %.

    Abstract translation: 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%。

    COMPOSITIONS COMPRISING ALKOXYSILANE-CONTAINING ISOCYANATES AND ACID STABILISERS
    95.
    发明申请
    COMPOSITIONS COMPRISING ALKOXYSILANE-CONTAINING ISOCYANATES AND ACID STABILISERS 有权
    含有含烷氧基亚烷基的异氰酸酯和酸稳定剂的组合物

    公开(公告)号:US20150274760A1

    公开(公告)日:2015-10-01

    申请号:US14433186

    申请日:2013-09-25

    Abstract: The present invention relates to a composition comprising (A) an isocyanate of formula (I) OCN-A-SiR1R2R3 (I), wherein A is straight-chain, branched, substituted and/or unsubstituted aliphatic hydrocarbyl of 1 to 12 carbon atoms or substituted or unsubstituted cycloaliphatic hydrocarbyl of 4 to 18 carbon atoms, wherein R1 is selected from the group comprising —O—Ralk, wherein R2 and R3 are each independently selected from the group of substituents comprising —Ralk and —O—Ralk, and wherein —Ralk is hydrocarbyl of 1 to 6 carbon atoms, and B) a Bronstedt or Lewis acid or a compound which releases a Bronstedt or Lewis acid at room temperature; and also to a process for producing a stabilized alkoxysilane-containing isocyanate comprising the step of adding a Lewis or Bronstedt acid or a compound which releases a Bronstedt or Lewis acid at room temperature to an alkoxysilane-containing isocyanate.

    Abstract translation: 本发明涉及包含(A)式(I)的异氰酸酯OCN-A-SiR 1 R 2 R 3(I)的组合物,其中A是具有1至12个碳原子的直链,支链,取代和/或未取代的脂族烃基或 取代或未取代的具有4至18个碳原子的脂环族烃基,其中R 1选自-O-Ralk,其中R 2和R 3各自独立地选自包括-Ralk和-O-Ralk的取代基,并且其中 - Ralk是1至6个碳原子的烃基,B)Bronstedt或Lewis酸或在室温下释放布朗斯台特或路易斯酸的化合物; 还涉及一种制备含稳定的含烷氧基硅烷的异氰酸酯的方法,包括在室温下将路易斯或布朗斯特酸或将布朗斯台德或路易斯酸释放到含烷氧基硅烷的异氰酸酯的化合物的步骤。

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