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    • 1. 发明授权
    • Crosslinking agents for textile printing fixing agents
    • 纺织印花固定剂交联剂
    • US5607482A
    • 1997-03-04
    • US525109
    • 1995-09-08
    • Helmut ReiffHerbert WiggerMatthias GehlingKarl-Heinz Passon
    • Helmut ReiffHerbert WiggerMatthias GehlingKarl-Heinz Passon
    • C08G18/08C08G18/10C08G18/28C08G18/48C08G18/80D06P1/52D06P1/54
    • D06P1/54C08G18/0804C08G18/283C08G18/8061C08G18/8064C08G18/8077D06P1/5285
    • The present invention relates to a method for textile printing with aqueous dispersions in which an organic fixing agent is crosslinked with a blocked polyisocyanate having (i) an average molecular weight of about 800 to about 25,000, (ii) a content of blocked isocyanate groups, calculated as free NCO and based on non-blocked polyisocyanate, corresponding to an NCO content of about 5 to about 20% by weight, (iii) an ionic group content of about 1 to about 75 milliequivalents per 100 g of blocked polyisocyanate, and (iv) a content of polyalkylene oxide units of about 1 to about 20% by weight, based on blocked polyisocyanate, said blocked polyisocyanate being obtained by the reaction of(a) organic polyisocyanates,(b) isocyanate-reactive compounds containing (potential) ionic groups,(c) polyalkylene ether alcohols,(d) NCO blocking agents, and(e) optionally, isocyanate-reactive compounds that are different from components (b), (c), and (d).
    • 本发明涉及用水分散体进行纺织印花的方法,其中有机固定剂与封端多异氰酸酯交联,所述封端多异氰酸酯的平均分子量为约800至约25,000,(ii)封端异氰酸酯基的含量, 计算为游离NCO并基于非封端多异氰酸酯,对应于约5至约20重量%的NCO含量,(iii)离子基团含量为约1至约75毫当量/ 100g封端多异氰酸酯,和( iv)基于封端多异氰酸酯的约1至约20重量%的聚环氧烷单元的含量,所述封端多异氰酸酯是通过(a)有机多异氰酸酯反应获得的,(b)含有(电位)离子的异氰酸酯反应性化合物 (c)聚亚烷基醚醇,(d)NCO封闭剂,和(e)任选的不同于组分(b),(c)和(d)的异氰酸酯反应性化合物。
    • 2. 发明授权
    • Water-dispersible blocked isocyanates, method of manufacture, and use
thereof
    • 水分散性封闭异氰酸酯,其制造方法和用途
    • US5508370A
    • 1996-04-16
    • US135642
    • 1993-10-12
    • Helmut ReiffKarl-Heinz PassonHans-Albert EhlertPeter Nussbaum
    • Helmut ReiffKarl-Heinz PassonHans-Albert EhlertPeter Nussbaum
    • C08G18/08C08G18/10C08G18/28C08G18/80D06M15/277D06M15/568
    • D06M15/568C08G18/0804C08G18/0819C08G18/10C08G18/283C08G18/8077D06M15/277
    • The invention relates to a blocked polyisocyanate having an NCO functionality of from 2.2 to 4.5 and an average molecular weight of 800 to 25,000 and containing (1) blocked isocyanate groups corresponding to an NCO content of 5 to 20 wt. % calculated as free NCO, relative to unblocked polyisocyanate, (2) 1 to 75 meq of ionic groups per 100 g of blocked polyisocyanate, and (3) 3 to 40 wt. % of polyalkylene oxide units relative to the blocked polyisocyanate prepared by the reaction of(a) organic polyisocyanates,(b) NCO-reactive compounds containing ionic or potentially ionic groups,(c) polyalkylene ethers,(d) NCO-blocking agents, and(d) optionally, other NCO-reactive compounds different from components (b), (c) and (d),wherein said process is carried out by either (A) reacting components (a), (b), (c) and, optionally, (e) to form an unblocked polyisocyanate intermediate and then reacting the intermediate with NCO-blocking agent (d) other than an alkali metal bisulfite to form the blocked polyisocyanate, or (B) reacting components (a), (c) and, optionally, (e) with an alkali-metal bisulfite to form the blocked polyisocyanate.
    • 本发明涉及NCO官能度为2.2〜4.5,平均分子量为800〜25,000的封端多异氰酸酯,其含有(1)对应于NCO含量为5〜20重量%的封端异氰酸酯基。 相对于未封端的多异氰酸酯计算的游离NCO%,(2)每100g封端多异氰酸酯1至75meq的离子基团,和(3)3至40wt。 通过(a)有机多异氰酸酯,(b)含有离子或潜在离子基团的NCO反应性化合物(c)聚亚烷基醚,(d)NCO封闭剂和 (d)任选地,不同于组分(b),(c)和(d)的其它NCO反应性化合物,其中所述方法通过(A),(b),(c)和 任选地(e)形成未封端的多异氰酸酯中间体,然后使中间体与除碱金属亚硫酸氢盐以外的NCO封闭剂(d)反应以形成封端多异氰酸酯,或(B)使组分(a),(c) 和任选地(e)与碱金属亚硫酸氢盐形成封端多异氰酸酯。
    • 3. 发明授权
    • Water-dispersible blocked isocyanates, method of manufacture, and use
thereof
    • 水分散性封闭异氰酸酯,其制造方法和用途
    • US5693737A
    • 1997-12-02
    • US588960
    • 1996-01-19
    • Helmut ReiffKarl-Heinz PassonHans-Albert EhlertPeter Nussbaum
    • Helmut ReiffKarl-Heinz PassonHans-Albert EhlertPeter Nussbaum
    • C08G18/08C08G18/10C08G18/28C08G18/80D06M15/277D06M15/568
    • D06M15/568C08G18/0804C08G18/0819C08G18/10C08G18/283C08G18/8077D06M15/277
    • The invention relates to a blocked polyisocyanate having an NCO functionality of from 2.2 to 4.5 and an average molecular weight of 800 to 25,000 and containing (1) blocked isocyanate groups corresponding to an NCO content of 5 to 20 wt. % calculated as free NCO, relative to unblocked polyisocyanate, (2) 1 to 75 meq of ionic groups per 100 g of blocked polyisocyanate, and (3) 3 to 40 wt. % of polyalkylene oxide units relative to the blocked polyisocyanate prepared by the reaction of (a) organic polyisocyanates, (b) NCO-reactive compounds containing ionic or potentially ionic groups, (c) polyalkylene ethers, (d) NCO-blocking agents, and (d) optionally, other NCO-reactive compounds different from components (b), (c) and (d), wherein said process is carried out by either (A) reacting components (a), (b), (c) and, optionally, (e) to form an unblocked polyisocyanate intermediate and then reacting the intermediate with NCO-blocking agent (d) other than an alkali metal bisulfite to form the blocked polyisocyanate, or (B) reacting components (a), (c) and, optionally, (e) with an alkali-metal bisulfite to form the blocked polyisocyanate.
    • 本发明涉及NCO官能度为2.2〜4.5,平均分子量为800〜25,000的封端多异氰酸酯,其含有(1)对应于NCO含量为5〜20重量%的封端异氰酸酯基。 相对于未封端的多异氰酸酯计算的游离NCO%,(2)每100g封端多异氰酸酯1至75meq的离子基团,和(3)3至40wt。 通过(a)有机多异氰酸酯,(b)含有离子或潜在离子基团的NCO反应性化合物(c)聚亚烷基醚,(d)NCO封闭剂和 (d)任选地,不同于组分(b),(c)和(d)的其它NCO反应性化合物,其中所述方法通过(A),(b),(c)和 任选地(e)形成未封端的多异氰酸酯中间体,然后使中间体与除碱金属亚硫酸氢盐以外的NCO封闭剂(d)反应以形成封端多异氰酸酯,或(B)使组分(a),(c) 和任选地(e)与碱金属亚硫酸氢盐形成封端多异氰酸酯。