二甲基-二(三甲基硅烷基)硅烷置于过氧化氢苯甲酰体系中,用 苯 用作溶剂,化学反应生成八甲基三硅氧烷 参考文献:Razuvaev,G. A.; Brevnova,T. N.; Semenov,V. V.,Journal Of General Chemistry Of The Ussr,1986,Vol. 56,P. 773-778 标题:Razuvaev,G. A.; Brevnova,T. N.; Semenov,V. V.,Journal Of General Chemistry Of The Ussr,1986,Vol. 56,P. 773-778
专利信息
专利号:US-11472916-B2 优先权日:2018-01-17 标题:Flow controlled synthesis of bottlebrush macromolecules 发明人:GUIRONNET DAMIEN S; WALSH DYLAN J 权利人:UNIV ILLINOIS 摘要:Shape, size and composition are nature's most fundamental design features, enabling highly complex functionalities. Despite recent advances, the independent control of shape, size and chemistry of macromolecules remains a synthetic challenge. Herein reported is a scalable methodology to produce large well-defined macromolecules with programmable shape, size and chemistry that combines reactor engineering principles and controlled polymerizations. Specifically, bottlebrush polymers with conical, ellipsoidal and concave architectures are synthesized using two orthogonal polymerizations. The chemical versatility is highlighted by the synthesis of a compositional asymmetric cone. The strong agreement between predictions and experiments validate the precision that this methodology offers.
专利号:US-10730994-B2 优先权日:2015-06-08 标 题:Synthesis of polycarbonate siloxane diols 发明人:MAGUIRE FRANCIS P; VENKATARAMANI SRIRAM 权利人:AORTECH INT PLC; MAGUIRE FRANCIS P; VENKATARAMANI SRIRAM 摘要:The present invention provides silicon-based polycarbonates, processes for their preparation and their use in the synthesis of copolymers, in particular segmented copolymers such as polyurethanes for biomedical applications.
专利号:US-12134280-B2 优先权日:2021-04-02 标 题:Optical device with ordered scatterer arrays for secure identity and a method of producing the same 发明人:TAMULEVICIUS TOMAS; JUODENAS MINDAUGAS; TAMULEVICIENE ASTA; KLINAVICIUS TOMAS; TAMULEVICIUS SIGITAS 权利人:KAUNAS UNIV OF TECHNOLOGY 摘要:An optical device with ordered scatterer arrays for secure identity and a method of producing the sameThis invention discloses a method for configurable spatial control and modification of optically active resonantly coupled scatterer arrays to produce identifiable security features and a corresponding photonic secure identity device. The invention comprises at least the steps of (i) producing a deposition template from said master stamp, (ii) synthesis of a plasmonic particle colloid, (iii) producing an optically active, two-dimensional security tag template using self-assembly of said particles on said deposition template, (iv) producing a customized secure identity device from said security tag template by selective removal or modification of optical properties using ultrashort laser pulses. The produced customized plasmonic-photonic device can then be used as secure identity and anti-counterfeiting means. The device exploits customized spatial control and modification of optically active plasmonic particle arrays demonstrating surface lattice resonance optical signature to produce easily identifiable security features.
专利号:US-5840814-A 优先权日:1996-08-07 标题 :Multi-arm star polymers having a well-defined core and methods for the synthesis thereof 发明人:MAJOROS ISTVAN J; MARSALKO TIMEA M; KENNEDY JOSEPH P 权利人:UNIV AKRON 摘要:The synthesis of star polymers having well-defined arms emanating from well-defined and readily controllable calix n!arene (n=4 to 16) cores are described. The synthesis is particularly suitable for polyisobutylene and/or polysiloxane star polymers. The synthesis has been achieved using carbocationic and/or anionic ring-opening polymerization techniques to form polymer arms of desired molecular weights, then separately preparing the calixarene derivative core, and finally, linking the arms to the core by transesterification or hydrosilation.
专利号:US-9029836-B2 优先权日:2010-09-08 标 题 :Controlled synthesis of monolithically-integrated graphene structure 发明人:PARK JUNG-UNG; NAM SUNGWOO; LIEBER CHARLES M 权利人:PARK JUNG-UNG; NAM SUNGWOO; LIEBER CHARLES M; HARVARD COLLEGE 摘要:In a method for fabricating a graphene structure, there is formed on a fabrication substrate a pattern of a plurality of distinct graphene catalyst materials. In one graphene synthesis step, different numbers of graphene layers are formed on the catalyst materials in the formed pattern. In a method for fabricating a graphene transistor, on a fabrication substrate at least one graphene catalyst material is provided at a substrate region specified for synthesizing a graphene transistor channel and at least one graphene catalyst material is provided at a substrate region specified for synthesizing a graphene transistor source, and at a substrate region specified for synthesizing a graphene transistor drain. Then in one graphene synthesis step, at least one layer of graphene is formed at the substrate region for the graphene transistor channel, and at the regions for the transistor source and drain there are formed a plurality of layers of graphene.
专利号:US-10119953-B1 优先权日:2015-03-20 标 题 :Metal chalcogenide quantum dots for the detection of nitroaromatic chemicals 发明人:BACA ALFRED J; MEYLEMANS HEATHER A; CAMBREA LEE R; BALDWIN LAWRENCE 权利人:US NAVY; US NAVY 摘要:The synthesis of AgInS 2 based quantum dots and their use as fluorometric probes for the selective detection of nitroaromatic explosive chemicals, without the use of ligands specific to nitroaromatic explosive chemicals. These quantum dots allow the detection of nitroaromatic explosive molecules by eye. The present invention also represents a simple patterning method for quantum dots on substrates, including low cost filter paper. The ease of fabrication, use of less toxic materials, and the selectivity to nitroaromatic explosive chemicals results in a practical solution to the development of a portable fluorescent probe based on quantum dots for the detection of nitroaromatic explosive chemicals.
参考标题:Pd/c-Catalyzed Cross-Coupling Reaction Of Benzyloxysilanes With Halosilanes For Selective Synthesis Of Unsymmetrical Siloxanes 作者:Masayasu Igarashi,Keiko Kubo,Tomohiro Matsumoto,Kazuhiko Sato,Wataru Ando,Shigeru Shimada 摘要:A New Protocol For The Nonhydrolytic Synthesis Of Unsymmetrical Siloxanes Has Been Developed. The Cross-Coupling Reaction Of Benzyloxysilanes With Halosilanes Catalyzed By Pd/c Afforded Various Unsymmetrical Siloxanes With Co-Production Of Benzyl Halides.
合成参考文献
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