Reactive compositions with an extended pot life
    1.
    发明授权
    Reactive compositions with an extended pot life 失效
    具有延长适用期的活性组合物

    公开(公告)号:US06624282B2

    公开(公告)日:2003-09-23

    申请号:US08908655

    申请日:1997-08-07

    IPC分类号: C08G1810

    摘要: The present invention relates to reactive compositions containing (A) NCO prepolymers based on (cyclo)aliphatic polyisocyanates having an NCO content of 1 to 8 wt. % and a monomeric polyisocyanate content of less than 2 wt. %, (B) amine-free chain extenders containing at least 50 equivalent percent of a compound melting between 50° and 160° C. having formula (I) HO—X—Y—X—OH  (I)  wherein Y denotes methylene, ethylene, —C≡C—, 1,4-, 1,3-, or 1,2-cyclohexylene, or 1,4-, 1,3-, or 1,2-phenylene, and X denotes methylene, —OCH2CH2— (wherein oxygen is bonded to group Y), or 1,4-, 1,3-, or 1,2-cyclohexylene, and (C) 0 to 20 wt. %, relative to component (A), of inert organic solvents, wherein the equivalent ratio of the free NCO groups of component (A) to the NCO-reactive groups of component (B) is 0.90 to 1.35.

    摘要翻译: 本发明涉及含有(A)基于(环)脂族多异氰酸酯的NCO预聚物的反应性组合物,其NCO含量为1-8重量% %和单体多异氰酸酯含量小于2wt。 %,(B)含有至少50当量%的熔点在50°至160℃之间的化合物的无胺扩链剂,式(I)其中Y表示亚甲基,亚乙基,-C = C-, 1,3-或1,2-亚环己基,或1,4-,1,3-或1,2-亚苯基,X表示亚甲基,-OCH 2 CH 2 - (其中氧与基团Y键合),或1, 4-,1,3-或1,2-亚环己基,和(C)0-20重量% 组分(A)的游离NCO基与组分(B)的NCO反应性基团的当量比为0.90至1.35,相对于组分(A)为惰性有机溶剂的%。

    Polyurethane coatings, based on polyisocyanates containing uretdione and/or oxadiazinetrione groups
    3.
    发明授权
    Polyurethane coatings, based on polyisocyanates containing uretdione and/or oxadiazinetrione groups 失效
    聚氨酯涂料,基于含有脲二酮和/或恶二嗪四酮基团的多异氰酸酯

    公开(公告)号:US06806340B2

    公开(公告)日:2004-10-19

    申请号:US10204978

    申请日:2002-08-27

    IPC分类号: C09D17504

    摘要: Polyurethane coatings which are the reaction product of A) an aliphatic, isocyanate-containing prepolymer having an isocyanate content of 1-8 wt. % and a free monomeric diisocyanate content of less than 2 wt. %, and containing 0.1 to 1.5 moles of per 1000 g of prepolymer of aliphatically bound uretdione and oxadiazinetrione groups, and B) a polyol component B) comprising at least 50 equivalent % of a compound corresponding to the formula HO—X—Y—X—OH where Y represents methylene, ethylene, —C≡C—, cyclohexylene-1,4, -1,3, -1,2, or phenylene-1,4, -1,3, -1,2 and X represents methylene, —OCH2CH2— (the oxygen being bound to the Y), or cyclohexylene-1,4, -1,3, -1,2, and where the equivalent ratio of the free NCO groups to isocyanate-reactive groups is 0.90 to 1.5. The coatings are applied to flexible substrates such as textile or leather by the casting or knife coating process by means of reactive compositions.

    摘要翻译: 聚氨酯涂料,其是A)具有异氰酸酯含量为1-8重量%的脂族异氰酸酯的预聚物的反应产物。 %和游离的单体二异氰酸酯含量小于2wt。 并且含有0.1-1.5摩尔的每1000克脂族酯结合的脲二酮和恶二嗪二酮基团的预聚物,和B)包含至少50当量%的对应于所述甲基的化合物的多元醇组分B)代表亚甲基,亚乙基,-C = C-,亚环己基-1,4,-1,3,...,1,2-或亚苯基-1,4,-1,3,-1,2-,X表示亚甲基,-OCH 2 CH 2 - (氧与 Y)或亚环己基-1,4,1,3 -1,2,其中游离NCO基团与异氰酸酯反应性基团的当量比为0.90至1.5。 通过使用反应性组合物的铸造或刮刀涂布将涂层施加到柔性基材如纺织品或皮革上。

    Reactive binding agent with an extended pot life
    4.
    发明授权
    Reactive binding agent with an extended pot life 失效
    活性粘合剂,使用寿命延长

    公开(公告)号:US06548615B1

    公开(公告)日:2003-04-15

    申请号:US09786554

    申请日:2001-03-02

    IPC分类号: C08G1824

    摘要: The invention relates to a reactive composition containing A) an isocyanate-containing compound, B) a polyol, C) an organic tin or bismuth compound, D) a thiol group-containing compound or a polyphenol which is able to react with an isocyanate group in the presence of a tertiary amine as activator and with adjacent hydroxyl groups and E) a hydrolyzable halogen compound, wherein the molar ratio SH and/or OH:metal is 2 to 500 and the molar ratio halogen/metal is 0.05 to 10.

    摘要翻译: 本发明涉及含有A)含异氰酸酯的化合物,B)多元醇,C)有机锡或铋化合物的反应性组合物,D)含硫醇基化合物或能够与异氰酸酯基反应的多酚 叔胺作为活化剂和相邻羟基的存在,和E)可水解的卤素化合物,其中SH和/或OH:金属的摩尔比为2至500,卤素/金属的摩尔比为0.05至10。

    Polyurethane solutions terminated with amino-functional heterocyclic stoppers
    10.
    发明授权
    Polyurethane solutions terminated with amino-functional heterocyclic stoppers 失效
    聚氨酯溶液用氨基官能的杂环阻塞物封端

    公开(公告)号:US06251988B1

    公开(公告)日:2001-06-26

    申请号:US09537589

    申请日:2000-03-28

    IPC分类号: C08J300

    摘要: The present invention relates to solutions of polyurethanes in organic solvents, wherein the polyurethanes are the reaction products of a) one or more at least difunctional polyols having a number average molecular weight of 500 to 16,000, b) one or more at least difunctional polyisocyanates having a molecular weight of 140 to 1500, c) optionally one or more low molecular weight at least difunctional alcohols and/or amines having a molecular weight of 32 to 500 and d) one or more monoamino-functional heterocyclic compounds. The present invention also relates to a process for preparing these polyurethane solutions and to their use in lacquers, coatings, sealants and/or adhesives.

    摘要翻译: 本发明涉及聚氨酯在有机溶剂中的溶液,其中聚氨酯是a)一种或多种数均分子量为500至16,000的至少二官能多元醇的反应产物,b)一种或多种至少二官能的多异氰酸酯,其具有 分子量为140至1500,c)任选一种或多种低分子量至少二官能醇和/或分子量为32至500的胺,和d)一种或多种单氨基官能的杂环化合物。本发明还涉及 制备这些聚氨酯溶液的方法及其在漆,涂料,密封剂和/或粘合剂中的应用。