Process for the production of allophanate modified isocyanates
    1.
    发明授权
    Process for the production of allophanate modified isocyanates 有权
    生产脲基甲酸酯改性异氰酸酯的方法

    公开(公告)号:US06469121B1

    公开(公告)日:2002-10-22

    申请号:US09751972

    申请日:2000-12-29

    IPC分类号: C08G1822

    CPC分类号: C08G18/222 C08G18/7837

    摘要: A method for the preparation of a storage stable organic polyisocyanate having allophanate linkages prepared by reacting a urethane containing organic polyisocyanate with a reactive hydroxyl compound in the presence of a liquid organic titanium oxide, or zirconium oxide, or hafnium oxide catalyst that is fully miscible in the reactive hydroxyl compound is disclosed. After completion of the allophanate reaction, the catalyst is deactivated by the use of a strong inorganic acid, organic acid, organic chloroformate or acid chloride.

    摘要翻译: 一种制备具有脲基甲酸酯键的储存稳定的有机多异氰酸酯的方法,其通过使氨基甲酸酯含有机多异氰酸酯与活性羟基化合物在液体有机氧化钛或氧化锆或氧化铪催化剂存在下反应制备,所述催化剂与所述反应性羟基化合物完全混溶 公开了反应性羟基化合物。 在脲基甲酸酯反应完成后,通过使用强无机酸,有机酸,有机氯甲酸酯或酰氯使催化剂失活。

    Polyurethane products produced from aluminum phosphonate catalyzed polyetherols
    2.
    发明授权
    Polyurethane products produced from aluminum phosphonate catalyzed polyetherols 失效
    由膦酸膦酸酯催化的聚醚酯生产的聚氨酯产品

    公开(公告)号:US06706844B2

    公开(公告)日:2004-03-16

    申请号:US10036928

    申请日:2001-12-21

    IPC分类号: C08G1822

    摘要: A method for the production of polyurethane products using very low unsaturation polyether polyols prepared in the presence of aluminum phosphonate catalysts is disclosed. Reaction products of the process include various polyurethane products including foams, coatings, adhesives, sealants and elastomers. The aluminum phosphonate catalyst preferably has a general structure of RPO-(OAlR′R″)2, wherein O represents oxygen, P represents pentavalent phosphorous, Al represents aluminum, R comprises a hydrogen, an alkyl group, or an aryl group, and R′ and R″ independently comprise a halide, an alkyl group, an alkoxy group, an aryl group, or an aryloxy group.

    摘要翻译: 公开了一种使用在磷酸铝催化剂存在下制备的非常低不饱和聚醚多元醇生产聚氨酯产品的方法。 该方法的反应产物包括各种聚氨酯产品,包括泡沫,涂料,粘合剂,密封剂和弹性体。 磷酸铝催化剂优选具有RPO-(OAlR'R“)2的一般结构,其中O表示氧,P表示五价磷,Al表示铝,R包括氢,烷基或芳基, R'和R“独立地包括卤素,烷基,烷氧基,芳基或芳氧基。

    Polycondensation resins and polyaddition resins produced by heterogeneous catalysis
    3.
    发明授权
    Polycondensation resins and polyaddition resins produced by heterogeneous catalysis 失效
    通过非均相催化制备的缩聚树脂和加聚树脂

    公开(公告)号:US06657036B1

    公开(公告)日:2003-12-02

    申请号:US09913602

    申请日:2001-10-04

    IPC分类号: C08G1822

    CPC分类号: C08G18/4288 C08G63/82

    摘要: The invention relates to polycondensation resins which are prepared by polycondensation of compounds having a low molecular weight and separation of small molecules in the presence of at least one hetergeneous catalyst. The invention also relates to polyaddition resins which are prepared by polyaddition in the presence of at least one heterogeneous catalyst. The invention further relates to the use of said polycondensation resins and polyaddition resins for the preparation of moulded parts, adhesives and coating materials.

    摘要翻译: 本发明涉及通过在至少一种异源催化剂的存在下使低分子量化合物和小分子的分离缩聚制备的缩聚树脂。 本发明还涉及在至少一种非均相催化剂存在下通过加聚制备的加聚树脂。 本发明还涉及所述缩聚树脂和加聚树脂在制备模制件,粘合剂和涂料中的用途。

    Polyisocyanate compositions for fast cure
    4.
    发明授权
    Polyisocyanate compositions for fast cure 有权
    用于快速固化的多异氰酸酯组合物

    公开(公告)号:US06750310B1

    公开(公告)日:2004-06-15

    申请号:US10030384

    申请日:2002-01-10

    IPC分类号: C08G1822

    摘要: Use of Titanium complex in a polyisocyanate composition comprising a titanium complex consisting of titanium and an acetoacetate ester in which the molar ratio of Ti to acetoacetate ester is in the range 1:2 and 1:8 and said acetoacetate ester is an ester of alcohol containing 1 to 4 carbon atoms for accelerating the binding of lignocellulosic materials.

    摘要翻译: 钛复合物在由钛和乙酰乙酸酯组成的钛络合物的多异氰酸酯组合物中的用途,其中Ti与乙酰乙酸酯的摩尔比在1:2至1:8的范围内,而所述乙酰乙酸酯是含有 1至4个碳原子,用于加速木质纤维素材料的结合。

    Process for preparing urethane compound for medical instruments
    5.
    发明授权
    Process for preparing urethane compound for medical instruments 有权
    制备医疗器械用聚氨酯化合物的方法

    公开(公告)号:US06495651B1

    公开(公告)日:2002-12-17

    申请号:US09608004

    申请日:2000-06-30

    IPC分类号: C08G1822

    摘要: A process for preparing an urethane compound for medical instruments, characterized by reacting a hydroxyl compound (A) with an isocyanate compound (B) in the absence of a catalyst or in the presence of a reaction catalyst other than an organic tin compound to give an urethane compound (I). According to the process, the urethane compound showing high safety can be easily prepared, in particular, while molecular weight of the compound is controlled.

    摘要翻译: 一种用于医疗器械的氨基甲酸酯化合物的制备方法,其特征在于在不存在催化剂的情况下或在除有机锡化合物以外的反应催化剂存在下使羟基化合物(A)与异氰酸酯化合物(B)反应,得到 氨基甲酸酯化合物(I)。 根据该方法,可以容易地制备显示高安全性的氨基甲酸酯化合物,特别是在控制化合物的分子量时。

    Process for preparing ocular lens with urethane compound and process for preparing urethane compound for medical instruments
    6.
    发明授权
    Process for preparing ocular lens with urethane compound and process for preparing urethane compound for medical instruments 失效
    用氨基甲酸酯化合物制备眼镜片的方法和用于制备医疗器械的聚氨酯化合物的方法

    公开(公告)号:US06770728B2

    公开(公告)日:2004-08-03

    申请号:US10284112

    申请日:2002-10-31

    IPC分类号: C08G1822

    摘要: A process for preparing an ocular lens with a urethane compound comprising the steps of a) preparing a urethane compound by reacting at least one hydroxyl compound and at least one isocyanate compound in the presence of an organic iron compound, b) removing the organic iron compound from the urethane compound obtained in the step a) c) mixing the urethane compound obtained in the step b) with at least one compound selected from the group consisting of another copolymerizable compound, a crosslinking agent, a UV absorbent, a dye, a polymerization initiator, a photosensitizer, and an organic solvent to obtain a mixture, and d) curing the mixture obtained in the step c) to prepare a lens.

    摘要翻译: 一种制备具有氨基甲酸酯化合物的眼用透镜的方法,包括以下步骤:a)在有机铁化合物存在下使至少一种羟基化合物和至少一种异氰酸酯化合物反应制备氨基甲酸酯化合物,b)从有机铁化合物中除去有机铁化合物 在步骤a)中获得的氨基甲酸酯化合物c)将步骤b)中获得的氨基甲酸酯化合物与至少一种选自另一种可共聚化合物,交联剂,UV吸收剂,染料,聚合引发剂 ,光敏剂和有机溶剂以获得混合物,并且d)固化步骤c)中获得的混合物以制备透镜。

    Cleaning blade and electrophotographic apparatus using the same
    7.
    发明授权
    Cleaning blade and electrophotographic apparatus using the same 有权
    清洁刮板和使用其的电子照相设备

    公开(公告)号:US06703472B2

    公开(公告)日:2004-03-09

    申请号:US10105418

    申请日:2002-03-26

    IPC分类号: C08G1822

    摘要: A cleaning blade for use in an electrophotographic apparatus, which rubs and eliminates residual toners. The cleaning blade is made up of polyrethane resin sheet controls chipping of a top end of the cleaning blade and reduces an abrasion of a photosensitive drum. The cleaning blade is prepared by mixing and hardening at least a prepolymer, which is obtained from butylene adipate polyester polyol, hexylene adipate polyester polyol and polyisocyanate, and a hardening agent including a low molecular weight polyol and potassium acetate so that a mol ration (&agr; value) of hydroxyl group to isocyanate group becomes not less than 0.7 and not more than 0.9.

    摘要翻译: 一种用于电子照相设备的清洁刮板,其用于擦拭和消除残留的调色剂。 清洁刮板由多聚乙二醇树脂板组成,控制清洁刮板顶端的切屑并减少感光鼓的磨损。 通过混合和固化至少一种由己二酸丁二醇酯聚酯多元醇,己二酸己二酸酯聚酯多元醇和多异氰酸酯获得的预聚物和包含低分子量多元醇和乙酸钾的硬化剂,使得摩尔比(α 值)为0.7以上0.9以下。

    Condensation polymerization method for isocyanates
    8.
    发明授权
    Condensation polymerization method for isocyanates 有权
    异氰酸酯缩合聚合法

    公开(公告)号:US06653432B2

    公开(公告)日:2003-11-25

    申请号:US10168020

    申请日:2002-06-18

    IPC分类号: C08G1822

    摘要: The invention concerns a (cyclo)trimerisation method for isocyanates having at least two isocyanate functions, characterised in that it comprises: a) reacting initial isocyanate monomers having at least two isocyanate functions, optionally in the presence of other monomers reactive with the isocyanate monomers having at least two isocyanate functions at a temperature of at least 20° C., advantageously at least 50° C., and lower than 200° C., advantageously lower than 150° C., in the presence of a compound comprising at least one rare earth alcoholate function; b) stopping the reaction by inactivating the catalyst or its derivative forms in the reaction medium at a transformation rate of at least 2.5% and at most 90% of the initial isocyanate functions; and optionally c) distilling the reaction medium to eliminate the unreacted monomers.

    摘要翻译: 本发明涉及具有至少两种异氰酸酯官能团的异氰酸酯的(环)三聚方法,其特征在于其包括:a)使具有至少两个异氰酸酯官能团的初始异氰酸酯单体反应,任选地在与具有 至少两个异氰酸酯官能团在至少20℃,有利地至少50℃,低于200℃,有利地低于150℃的温度下,在包含至少一种 稀土醇酸盐功能; b)通过使反应介质中的催化剂或其衍生物形式以初始异氰酸酯官能团的至少2.5%和至多90%的转化速率失活来停止反应; 并且任选地c)蒸馏反应介质以除去未反应的单体。

    Process for preparing urethane compound for medical instruments
    9.
    发明授权
    Process for preparing urethane compound for medical instruments 有权
    制备医疗器械用聚氨酯化合物的方法

    公开(公告)号:US06770727B2

    公开(公告)日:2004-08-03

    申请号:US10284104

    申请日:2002-10-31

    IPC分类号: C08G1822

    摘要: A process for preparing an urethane compound for medical instruments, characterized by reacting a hydroxyl compound (A) with an isocyanate compound (B) in the absence of a catalyst or in the presence of a reaction catalyst other than an organic tin compound to give an urethane compound (I). According to the process, the urethane compound showing high safety can be easily prepared, in particular, while molecular weight of the compound is controlled.

    摘要翻译: 一种用于医疗器械的氨基甲酸酯化合物的制备方法,其特征在于在不存在催化剂的情况下或在除有机锡化合物以外的反应催化剂存在下使羟基化合物(A)与异氰酸酯化合物(B)反应,得到 氨基甲酸酯化合物(I)。 根据该方法,可以容易地制备显示高安全性的氨基甲酸酯化合物,特别是在控制化合物的分子量时。

    Self-emulsifiable polyisocyanate with high functionality and process for producing the same
    10.
    发明授权
    Self-emulsifiable polyisocyanate with high functionality and process for producing the same 失效
    具有高功能性的自乳化多异氰酸酯及其制造方法

    公开(公告)号:US06743374B2

    公开(公告)日:2004-06-01

    申请号:US10208034

    申请日:2002-07-31

    IPC分类号: C08G1822

    摘要: A self-emulsifiable polyisocyanate with high functionality, having the average number of functional groups in 4.3 or more and a viscosity of 8,000 mPa·s (at 25° C.) or less, which is obtained by subjecting a modified polyisocyanate containing allophanate bonds and a poly(oxyalkylene)glycol monoalkyl ether (e) having oxyethylene bonds in a total amount of 30 mole % or more in its molecule to a urethanization reaction, said modified polyisocyanate being obtained by reacting a polyol (a) having the average number of functional groups in an amount of 2 or more with an organic polyisocyanate (b) in the presence of an allophanate-forming catalyst (c) comprising a zirconium carboxylate; and a process for producing the same.

    摘要翻译: 具有高官能度的自乳化多异氰酸酯,其官能团的平均数为4.3以上,粘度为8,000mPa.s(25℃)以下,其通过使含有脲基甲酸酯键的改性多异氰酸酯和 所述改性多异氰酸酯通过使具有平均数量的官能团的多元醇(a)反应获得,所述聚(异氰酸酯)是分子内具有30摩尔%以上氧化乙烯键的聚(氧化烯)二醇单烷基醚(e) 在含有羧酸锆的脲基甲酸酯形成催化剂(c)的存在下,使用有机多异氰酸酯(b)的量为2以上的基团; 及其制造方法。