POLYURETHANE UREA FOR STENT COATINGS
    46.
    发明申请
    POLYURETHANE UREA FOR STENT COATINGS 审中-公开
    用于固体涂料的聚氨酯尿素

    公开(公告)号:US20120263778A1

    公开(公告)日:2012-10-18

    申请号:US13516440

    申请日:2010-12-10

    摘要: The invention relates to a polyurethane urea comprising structural units of formula (I), not terminated by at least one copolymer unit of polyethylene oxide and polypropylene oxide, and that can particularly be used for producing stent coatings. The invention further relates to a substrate having a base coating made of a polyurethane urea according to the invention. The invention further relates to a coating structure comprising at least one layer comprising active substances and made of a polyurethane urea according to the invention, and at least one layer free of active substances, made of a polyurethane urea according to the invention. The invention finally relates to a method for coating a substrate, wherein at least one layer made of a polyurethane urea according to the invention is applied to the substrate.

    摘要翻译: 本发明涉及包含式(I)结构单元的聚氨酯脲,其不被聚环氧乙烷和聚环氧丙烷的至少一种共聚物单元封端,并且特别可用于制备支架涂层。 本发明还涉及一种具有根据本发明的由聚氨酯脲制成的基底涂层的基底。 本发明还涉及一种涂层结构,其包括至少一层包含活性物质并由根据本发明的聚氨酯脲制成的层和至少一层不含活性物质的层,该层由本发明的聚氨酯脲制成。 本发明最终涉及用于涂布基材的方法,其中根据本发明的由聚氨酯脲制成的至少一层施加到基材上。

    Nanoparticle-modified polyisocyanates
    47.
    发明授权
    Nanoparticle-modified polyisocyanates 有权
    纳米粒子改性的多异氰酸酯

    公开(公告)号:US08088880B2

    公开(公告)日:2012-01-03

    申请号:US11985448

    申请日:2007-11-15

    IPC分类号: C08G18/06

    摘要: The present invention relates to innovative, nanoparticle-modified polyisocyanates, a process for their preparation and to their use in coating compositions and adhesives. The process comprises the steps of 1) reacting A) polyisocyanates with B) alkoxysilanes, and subsequently 2) incorporating by dispersion inorganic particles, optionally surface modified, having an average particle size of less than 200 nm as determined by means of dynamic light scattering in dispersion, where the alkoxysilanes are according to formula (I) Q-Z—SiXaY3-a  (I) in which Q is an isocyanate-reactive group, X is a hydrolysable group, Y is identical or different alkyl groups, Z is a C1-C12 alkylene group and a is an integer from 1 to 3.

    摘要翻译: 本发明涉及创新的纳米颗粒改性的多异氰酸酯,其制备方法及其在涂料组合物和粘合剂中的用途。 该方法包括以下步骤:1)使A)多异氰酸酯与B)烷氧基硅烷反应,随后2)通过分散无机颗粒(任选表面改性的)并入,通过动态光散射测定其平均粒度小于200nm 分散体,其中烷氧基硅烷根据式(I)其中Q是异氰酸酯反应性基团的QZ-SiXaY3-a(I),X是可水解基团,Y是相同或不同的烷基,Z是C1-C12 亚烷基,a为1〜3的整数。

    Oligocarbonate-containing coating compositions for scratch-resistant topcoats
    50.
    发明申请
    Oligocarbonate-containing coating compositions for scratch-resistant topcoats 审中-公开
    用于耐刮面漆的含碳酸酯的涂料组合物

    公开(公告)号:US20060281857A1

    公开(公告)日:2006-12-14

    申请号:US11448231

    申请日:2006-06-07

    IPC分类号: C08G18/08

    摘要: Coating compositions comprising polyisocyanates, aliphatic oligocarbonate polyols and polyacrylate polyols are provided. The compositions comprise A) a polyol component composed of a) 1% to 50% by weight of aliphatic oligocarbonate polyols having a number-average molecular weight Mn of 200 to 5000 g/mol and b) 50% to 99% by weight of hydroxy-functional polyacrylate polyols; and B) one or more OH-reactive (poly)isocyanate crosslinkers having an average NCO functionality of ≧2.0. A process for preparing the coatings are also provided.

    摘要翻译: 提供包含多异氰酸酯,脂族低聚碳酸酯多元醇和聚丙烯酸酯多元醇的涂料组合物。 所述组合物包含A)多元醇组分,其由a)1%至​​50%重量的数均分子量M n为200至5000g / mol的脂族低聚碳酸酯多元醇和b)50 %至99重量%的羟基官能聚丙烯酸酯多元醇; 和B)平均NCO官能度> = 2.0的一种或多种OH反应性(聚)异氰酸酯交联剂。 还提供了制备涂层的方法。