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    • 9. 发明授权
    • Radiation-curable silicone-release compositions with high and controlled
release values
    • 具有高和控制释放值的可辐射固化的硅氧烷释放组合物
    • US5494945A
    • 1996-02-27
    • US439477
    • 1995-05-11
    • William E. KidonThanh V. NguyenTenhong V. Lee
    • William E. KidonThanh V. NguyenTenhong V. Lee
    • C08F2/50C08L83/06C09D183/06C09J7/02C09J7/04B32B9/04C08L83/07
    • C09J7/045C09D183/06C09J7/0228C08L83/06C09J2203/334C09J2205/114C09J2205/31C09J2400/283C09J2433/005C09J2483/005Y10T428/2839Y10T428/2848Y10T428/31663
    • A radiation-curable silicone release composition is described which comprises (A) a mixture of organopolysiloxanes characterized by the formulaRSi(CH.sub.3).sub.2 --O--(Si(CH.sub.3).sub.2 O).sub.n (Si(CH.sub.3)(R)O).sub.m Si(CH.sub.3).sub.2 R (I)wherein the mixture comprises (A-1) from about 25% to 95% by weight of at least one organopolysiloxane characterized by Formula I wherein each R is --R.sup.1 --O(O)C--C(R.sup.2).dbd.CH.sub.2, R.sup.1 is a hydrocarbylene group, R.sup.2 is hydrogen or a methyl or ethyl group, m is a number from about 1 to about 15, and n is a number from about 50 to about 300, and (A-2) from about 5% to 75% by weight of at least one other organopolysiloxane characterized by Formula I wherein R is --R.sup.1 --OCH.sub.2 CH(OH)--CH.sub.2 O(O)C--C(R.sup.2).dbd.CH.sub.2, R.sup.1 is a hydrocarbylene group, R.sup.2 is hydrogen or a methyl or ethyl group, m is a number from about 1 to about 25, and n is a number from about 50 to about 300, and (B) from 0% to about 5% by weight of a photoinitiator. A method of producing silicone release-coated substrates, the release-coated articles thus produced, and multi-layer articles or constructions incorporating a silicone-release layer also are described. When the silicone compositions are cured such as by electron beam radiation, the cured compositions exhibit a desirable high and controlled release force at high speeds such as the speeds utilized in label processing.
    • 描述了一种可辐射固化的有机硅剥离组合物,其包含(A)以式RSi(CH3)2-O-(Si(CH3)2O)n(Si(CH3)(R)O)mSi为特征的有机聚硅氧烷的混合物 CH3)2R(I),其中所述混合物包含(A-1)约25%至95%重量的至少一种式I表征的有机聚硅氧烷,其中每个R是-R1-O(O)CC(R2)= CH2 R 1为亚烃基,R 2为氢或甲基或乙基,m为约1至约15的数,n为约50至约300的数,和(A-2)约5% 至75重量%的至少一种其它式I表示的其它有机聚硅氧烷,其中R是-R 1 -OCH 2 CH(OH)-CH 2 O(O)CC(R 2)= CH 2,R 1是亚烃基,R 2是氢或甲基或 乙基,m为约1至约25的数,n为约50至约300的数,和(B)0至5重量%的光引发剂。 还描述了制造硅氧烷剥离基材的方法,如此制备的脱模涂层制品,以及结合有硅酮释放层的多层制品或结构。 当硅氧烷组合物例如通过电子束辐射固化时,固化的组合物在高速下表现出期望的高和控制释放力,例如在标签处理中使用的速度。
    • 10. 发明申请
    • EXPANDABLE SHEATH FOR INTRODUCING AN ENDOVASCULAR DELIVERY DEVICE INTO A BODY
    • 将内膜输送装置引入身体的可扩展的护理
    • US20120083877A1
    • 2012-04-05
    • US13312739
    • 2011-12-06
    • Duy NguyenKim NguyenThanh V. Nguyen
    • Duy NguyenKim NguyenThanh V. Nguyen
    • A61F2/24B29C53/08
    • A61F2/2427A61B90/39A61F2/2418A61F2/2433A61F2/2436Y10T156/1026
    • Embodiments of an expandable sheath can be used in conjunction with a catheter assembly to introduce a prosthetic device, such as a heart valve, into a patient. Such embodiments can minimize trauma to the vessel by allowing for temporary expansion of a portion of the introducer sheath to accommodate the delivery apparatus, followed by a return to the original diameter once the prosthetic device passes through. Some embodiments can include a sheath with inner and outer layers, where a folded portion of the inner layer extends through a slit in the outer layer and a portion of the outer layer overlaps the folded portion of the inner layer. Some embodiments include an elastic outer cover positioned outside the outer layer. Embodiments of the present expandable sheath can avoid the need for multiple insertions for the dilation of the vessel, thus offering advantages over prior art introducer sheaths.
    • 可扩张护套的实施例可以与导管组件一起使用以将诸如心脏瓣膜的假体装置引入患者体内。 这样的实施例可以通过允许引导器护套的一部分临时膨胀以适应输送装置来最小化对容器的创伤,然后一旦假肢装置通过就恢复到原始直径。 一些实施例可以包括具有内层和外层的护套,其中内层的折叠部分延伸穿过外层中的狭缝,并且外层的一部分与内层的折叠部分重叠。 一些实施例包括位于外层外部的弹性外盖。 本发明的可扩张护套的实施例可以避免需要多次插入用于扩张容器,从而提供优于现有技术的导引器护套的优点。