Low viscosity, ethylenically unsaturated polyurethanes containing
allophanate groups
    1.
    发明授权
    Low viscosity, ethylenically unsaturated polyurethanes containing allophanate groups 失效
    含有脲基甲酸酯基团的低粘度,烯属不饱和聚氨酯

    公开(公告)号:US5739251A

    公开(公告)日:1998-04-14

    申请号:US826262

    申请日:1997-03-27

    摘要: The present invention relates to ethylenically unsaturated polyurethanes which are substantially free from isocyanate groups and have a) a content of .beta.,.gamma.-ethylenically unsaturated ether groups (calculated as C.dbd.C, MW 24) incorporated through allophanate groups of 0.5 to 10% by weight, b) an allophanate group content (calculated as N.sub.2 C.sub.2 HO.sub.3, MW 101) of 1 to 20% by weight and c) a total content of ethylenically unsaturated groups of (calculated as C.dbd.C, MW 24) of 1 to 15% by weight. The present invention also relates to ethylenically unsaturated polyisocyanates which contain allophanate groups and have i) an NCO content of 5 to 25% by weight, ii) a content of .beta.,.gamma.-ethylenically unsaturated ether groups (calculated as C.dbd.C, MW 24) incorporated through allophanate groups of 0.5 to 15% by weight and iii) an allophanate group content (calculated as N.sub.2 C.sub.2 HO.sub.3, MW 101) of 1 to 30%. Finally, the present invention relates to one-component coating compositions containing the ethylenically unsaturated polyurethanes according to the invention.

    摘要翻译: 本发明涉及烯属不饱和聚氨酯,其基本上不含异氰酸酯基团,并且具有a)通过脲基甲酸酯基团通过0.5至10%的通过以下方式引入的β,γ-烯属不饱和醚基团的含量(以C = C,MW 24计算) 重量,b)脲基甲酸酯基含量(以N2C2HO3,MW101计算)为1〜20重量%,c)(计算为C = C,MW 24)的烯属不饱和基团的总含量为1〜15% 重量。 本发明还涉及含有脲基甲酸酯基并且i)NCO含量为5至25重量%的烯键式不饱和多异氰酸酯,ii)β,γ-烯属不饱和醚基团的含量(按C = C计算,MW 24 )通过0.5至15重量%的脲基甲酸酯基组合,和iii)脲基甲酸酯基含量(以N 2 C 2 HO 3,MW 101计算)为1至30%。 最后,本发明涉及含有根据本发明的烯属不饱和聚氨酯的单组分涂料组合物。

    Low viscosity, ethylenically unsaturated polyurethanes containing
allophanate groups
    2.
    发明授权
    Low viscosity, ethylenically unsaturated polyurethanes containing allophanate groups 失效
    含有脲基甲酸酯基团的低粘度,烯属不饱和聚氨酯

    公开(公告)号:US5767220A

    公开(公告)日:1998-06-16

    申请号:US917797

    申请日:1997-08-25

    CPC分类号: C08G18/7837 C08G18/671

    摘要: The present invention relates to ethylenically unsaturated polyurethanes which are substantially free from isocyanate groups and have a) a total content of (meth)acryloyl groups (calculated as C=C, MW 24) of 1 to 20% by weight. b) an allophanate group content (calculated as N.sub.2 C.sub.2 HO.sub.3, MW 101) of 1 to 20% by weight and c) an isocyanurate group content (calculated as N.sub.3,C.sub.3,O.sub.3, MW 126) of up to 18% by weight, in which the allophanate and isocyanurate groups are prepared from aliphatic polyisocyanates. The present invention also relates to a one-component coating composition containing these ethylenically unsaturated polyurethanes.

    摘要翻译: 本发明涉及基本上不含异氰酸酯基并且具有(a)(i = C,MW 24计算)的(甲基)丙烯酰基的总含量为1〜20重量%的烯属不饱和聚氨酯。 b)脲基甲酸酯基含量(以N2C2HO3,MW101计算)为1〜20重量%,c)异氰脲酸酯基含量(以N 3,C 3,O 3,MW 126计)高达18重量%,其中 脲基甲酸酯和异氰脲酸酯基团由脂族多异氰酸酯制备。 本发明还涉及含有这些烯属不饱和聚氨酯的单组分涂料组合物。

    Low viscosity ethylenically unsaturated polyurethanes containing
allophanate groups
    3.
    发明授权
    Low viscosity ethylenically unsaturated polyurethanes containing allophanate groups 失效
    含有脲基甲酸酯基团的低粘度烯属不饱和聚氨酯

    公开(公告)号:US5951911A

    公开(公告)日:1999-09-14

    申请号:US5272

    申请日:1998-01-09

    摘要: The present invention relates to ethylenically unsaturated polyurethanes which are substantially free from isocyanate groups and havea) a content of .beta.,.gamma.-ethylenically unsaturated ether groups (calculated as C.dbd.C, MW 24) incorporated through allophanate groups of 0.5 to 10% by weight,b) an allophanate group content (calculated as N.sub.2 C.sub.2 HO.sub.3, MW 101) of 1 to 20% by weight andc) a total content of ethylenically unsaturated groups of (calculated as C.dbd.C, MW 24) of 1 to 15% by weight.The present invention also relates to ethylenically unsaturated polyisocyanates which contain allophanate groups and havei) an NCO content of 5 to 25% by weight,ii) a content of .beta.,.gamma.-ethylenically unsaturated ether groups (calculated as C.dbd.C, MW 24) incorporated through allophanate groups of 0.5 to 15% by weight andiii) an allophanate group content (calculated as N.sub.2 C.sub.2 HO.sub.3, MW 101) of 1 to 30%.Finally, the present invention relates to one-component coating compositions containing the ethylenically unsaturated polyurethanes according to the invention.

    摘要翻译: 本发明涉及烯属不饱和聚氨酯,其基本上不含异氰酸酯基团,并且具有a)通过脲基甲酸酯基团通过0.5至10%的通过以下方式引入的β,γ-烯属不饱和醚基团的含量(以C = C,MW 24计算) 重量,b)脲基甲酸酯基含量(以N2C2HO3,MW101计算)为1〜20重量%,c)(计算为C = C,MW 24)的烯属不饱和基团的总含量为1〜15% 重量。 本发明还涉及含有脲基甲酸酯基并且i)NCO含量为5至25重量%的烯属不饱和多异氰酸酯,ii)β,γ-烯属不饱和醚基团的含量(按C = C计算,MW 24 )通过0.5至15重量%的脲基甲酸酯基组合,和iii)脲基甲酸酯基含量(以N 2 C 2 HO 3,MW 101计算)为1至30%。 最后,本发明涉及含有根据本发明的烯属不饱和聚氨酯的单组分涂料组合物。

    Soft, transparent and processable thermoplastic polyurethane
    6.
    发明授权
    Soft, transparent and processable thermoplastic polyurethane 有权
    柔软,透明和可加工的热塑性聚氨酯

    公开(公告)号:US06294638B1

    公开(公告)日:2001-09-25

    申请号:US09415341

    申请日:1999-10-08

    IPC分类号: C08G1848

    CPC分类号: C08G18/6674

    摘要: A soft, transparent and processable thermoplastic polyurethane resin suitable in optical application is disclosed. The resin is the product of reacting a diisocyanate, a chain extender, and a mixture of polyether polyols. The mixture of polyether polyols comprise (A) a C4 polyether polyol and (B) a C2-C3 polyether polyol where the weight ratio A/B is in the range of about 85/15 to 15/85.

    摘要翻译: 公开了一种适用于光学应用的柔软,透明和可加工的热塑性聚氨酯树脂。 树脂是使二异氰酸酯,扩链剂和聚醚多元醇的混合物反应的产物。 聚醚多元醇的混合物包含(A)C4聚醚多元醇和(B)C2-C3聚醚多元醇,其中重量比A / B在约85/15至15/85的范围内。

    Process for preparing and optionally chain extending aqueous
polyisocyanate dispersions using static mixers
    7.
    发明授权
    Process for preparing and optionally chain extending aqueous polyisocyanate dispersions using static mixers 失效
    使用静态混合器制备和选择性链延长水性聚异氰酸酯分散体的方法

    公开(公告)号:US5221710A

    公开(公告)日:1993-06-22

    申请号:US677002

    申请日:1991-03-28

    摘要: The present invention is directed to a process for preparing an aqueous polyisocyanate dispersion which has an isocyanate content of at least 0.5% by weight bya) introducing an aqueous medium into a static mixer,b) introducing a polyisocyanate into the static mixer,c) mixing the polyisocyanate with the aqueous medium in the static mixer andd) withdrawing the aqueous polyisocyanate dispersion from the outlet of the static mixer,e) introducing the aqueous polyisocyanate dispersion into the inlet of a second static mixer,f) introducing into the same of a different inlet of the second static mixer a chain extender containing at least a primary or secondary hydroxy monoamine and/or a polyamine having primary and/or a polyamine having primary and/or secondary amino groupsg) mixing the chain extender with the aqueous polyisocyanate dispersion in the second static mixer,h) withdrawing the reacting mixture of the aqueous polyisocyanate dispersion and the chain extender from the outlet of the second static mixer andi) allowing the polyisocyanate and chain extender to react to form the aqueous modified polyisocyanate dispersion.

    Continuous process for the production of aqueous polyurethane urea
dispersions
    8.
    发明授权
    Continuous process for the production of aqueous polyurethane urea dispersions 失效
    用于生产水性聚氨酯脲分散体的连续工艺

    公开(公告)号:US4879322A

    公开(公告)日:1989-11-07

    申请号:US188823

    申请日:1988-05-02

    摘要: The present invention is directed to a continuous process for the production of aqueous polyurethane-urea dispersions by(a) mixing an emulsifiable isocyanate-terminated prepolymer with an aqueous medium in a low shear, stator-rotor dynamic mixer operating at a speed of about 500 to 8000 rpm utilizing a mixing wattage of about 0.3 to 10.0 watts/cubic centimeter and a mixing volume of at least about 0.1 liters, the average residence time of the aqueous medium and the prepolymer being about 1 to 30 seconds and the overall flow rate through the dynamic mixer being at least about 50 kg/h and(b) reacting the dispersed isocyanate-terminated prepolymer prepared in (a) with a polyamine chain extender to form an aqueous polyurethane-urea dispersion.

    摘要翻译: 本发明涉及一种用于生产水性聚氨酯 - 脲分散体的连续方法,其通过(a)在低剪切,定子 - 转子动态混合器中以约500的速度混合可乳化的异氰酸酯封端的预聚物与水性介质 使用约0.3至10.0瓦/立方厘米的混合功率和至少约0.1升的混合体积,水介质和预聚物的平均停留时间为约1至30秒,总流速通过 所述动态混合器至少约50kg / h,和(b)使(a)中制备的分散的异氰酸酯封端的预聚物与聚胺扩链剂反应以形成水性聚氨酯 - 尿素分散体。

    Continuous process for the production of aqueous polyurethane-urea
dispersions
    9.
    发明授权
    Continuous process for the production of aqueous polyurethane-urea dispersions 失效
    用于生产水性聚氨酯 - 尿素分散体的连续工艺

    公开(公告)号:US4742095A

    公开(公告)日:1988-05-03

    申请号:US914908

    申请日:1986-10-21

    摘要: The present invention is directed to a continuous process for the production of aqueous polyurethane-urea dispersions by(a) mixing an emulsifiable isocyanate-terminated prepolymer with an aqueous medium in a low shear, stator-rotor dynamic mixer operating at a speed of about 500 to 8000 rpm utilizing a mixing wattage of about 0.3 to 10.0 watts/cubic centimeter and a mixing volume of at least about 0.1 liters, the average residence time of the aqueous medium and the prepolymer being about 1 to 30 seconds and the overall flow rate through the dynamic mixer being at least about 50 kg/h and(b) reacting the dispersed isocyanate-terminated prepolymer prepared in (a) with a polyamine chain extender to form an aqueous polyurethane-urea dispersion.

    摘要翻译: 本发明涉及一种用于生产水性聚氨酯 - 脲分散体的连续方法,其通过(a)在低剪切,定子 - 转子动态混合器中以约500的速度混合可乳化的异氰酸酯封端的预聚物与水性介质 使用约0.3至10.0瓦/立方厘米的混合功率和至少约0.1升的混合体积,水介质和预聚物的平均停留时间为约1至30秒,总流速通过 所述动态混合器至少约50kg / h,和(b)使(a)中制备的分散的异氰酸酯封端的预聚物与聚胺扩链剂反应以形成水性聚氨酯 - 尿素分散体。