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    • 1. 发明申请
    • Microcapsule and Methods of Making and Using Microcapsules
    • 微胶囊和制备和使用微胶囊的方法
    • US20120253000A1
    • 2012-10-04
    • US13393183
    • 2010-09-02
    • David C. OkawaStefan J. PastineAlexander K. ZettlJean M.J. Frechet
    • David C. OkawaStefan J. PastineAlexander K. ZettlJean M.J. Frechet
    • C08F32/06B29D11/00C09K3/00B82Y30/00
    • B01J13/16C09B67/0097Y10S977/742Y10S977/762Y10S977/773Y10S977/774
    • An embodiment of a microcapsule includes a shell surrounding a space, a liquid within the shell, and a light absorbing material within the liquid. An embodiment of a method of making microcapsules includes forming a mixture of a light absorbing material and an organic solution. An emulsion of the mixture and an aqueous solution is then formed. A polymerization agent is added to the emulsion, which causes microcapsules to be formed. Each microcapsule includes a shell surrounding a space, a liquid within the shell, and light absorbing material within the liquid. An embodiment of a method of using microcapsules includes providing phototriggerable microcapsules within a bulk material. Each of the phototriggerable microcapsules includes a shell surrounding a space, a chemically reactive material within the shell, and a light absorbing material within the shell. At least some of the phototriggerable microcapsules are exposed to light, which causes the chemically reactive material to release from the shell and to come into contact with bulk material.
    • 微胶囊的一个实施方案包括围绕空间的壳体,壳体内的液体和液体内的光吸收材料。 制造微胶囊的方法的一个实施方案包括形成光吸收材料和有机溶液的混合物。 然后形成混合物的乳液和水溶液。 向乳液中加入聚合剂,导致形成微胶囊。 每个微胶囊包括围绕空间的壳体,壳体内的液体和液体内的光吸收材料。 使用微胶囊的方法的一个实施方案包括在散装材料内提供可光触发的微胶囊。 每个可光触发的微胶囊包括围绕空间的外壳,壳内的化学反应性材料,以及壳内的光吸收材料。 至少一些可光触发的微胶囊暴露于光,这导致化学反应性材料从壳体释放并与散装材料接触。
    • 3. 发明申请
    • OLIGOMER FUNCTIONALIZED NANOTUBES AND COMPOSITES FORMED THEREWITH
    • 低分子官能化纳米管和复合材料
    • US20120088934A1
    • 2012-04-12
    • US13162422
    • 2011-06-16
    • Alexander K. ZettlToby SainsburyJean M.J. Frechet
    • Alexander K. ZettlToby SainsburyJean M.J. Frechet
    • C07C233/65C07C211/51C07C233/80B82Y40/00B82Y30/00
    • C07C233/65B82Y30/00B82Y40/00C07C211/44C07C233/80C08J5/005C08J2377/06
    • Disclosed herein is a sequential functionalization methodology for the covalent modification of nanotubes with between one and four repeat units of a polymer. Covalent attachment of oligomer units to the surface of nanotubes results in oligomer units forming an organic sheath around the nanotubes, polymer-functionalized-nanotubes (P-NTs). P-NTs possess chemical functionality identical to that of the functionalizing polymer, and thus provide nanoscale scaffolds which may be readily dispersed within a monomer solution and participate in the polymerization reaction to form a polymer-nanotube/polymer composite. Formation of polymer in the presence of P-NTs leads to a uniform dispersion of nanotubes within the polymer matrix, in contrast to aggregated masses of nanotubes in the case of pristine-NTs. The covalent attachment of oligomeric units to the surface of nanotubes represents the formation of a functional nanoscale building block which can be readily dispersed and integrated within the polymer to form a novel composite material.
    • 本文公开了用聚合物的一至四个重复单元共价修饰纳米管的顺序官能化方法。 寡聚体单元与纳米管表面的共价连接导致形成纳米管周围的有机鞘的低聚物单元,聚合物官能化的纳米管(P-NT)。 P-NT具有与官能化聚合物相同的化学功能,因此提供纳米级支架,其可以容易地分散在单体溶液中并参与聚合反应以形成聚合物 - 纳米管/聚合物复合材料。 在存在P-NT的情况下,聚合物的形成导致纳米管在聚合物基质内的均匀分散,与原始NT的情况下的纳米管的聚集体相反。 低聚单元与纳米管表面的共价连接代表形成功能性纳米级结构单元,其可以容易地分散并整合在聚合物内以形成新的复合材料。
    • 10. 发明申请
    • SUPERHYDROPHOBIC AND SUPERHYDROPHILIC MATERIALS, SURFACES AND METHODS
    • 超级和超级材料,表面和方法
    • US20110033663A1
    • 2011-02-10
    • US12988497
    • 2009-04-21
    • Frantisek SvecPavel A. LevkinJean M.J. Frechet
    • Frantisek SvecPavel A. LevkinJean M.J. Frechet
    • B32B3/10C08J9/00B29C65/00
    • C08J9/286C08F220/18C08F222/1006C08J5/00C08J2333/16C08L33/16Y10T428/24355
    • A broadly applicable method requiring no more than a single step facilitates the preparation of large area super hydrophobic or super hydrophilic surfaces on a variety of substrates such as such as glass, metal, plastic, paper, wood, concrete and masonry. The technique involves the free radical polymerization of common acrylic or styrenic monomers in the presence of porogenic solvents in a mold or on a free surface. The material can be semi- or fully-transparent and either super hydrophobic or super hydrophilic depending on the choice of the monomers. Because porosity and dual scale roughness are intrinsic bulk properties of the monolithic materials and not only a surface characteristic, the polymers can be powdered to produce a super hydrophobic powder or otherwise fragmented and attached to the surface of any object to render it super hydrophobic or super hydrophilic. The surface properties of the porous material may also be altered locally by photografting with selected monomers.
    • 广泛应用的方法不需要单一步骤便于在各种基材如玻璃,金属,塑料,纸,木材,混凝土和砖石上制备大面积超疏水或超亲水表面。 该技术涉及常规丙烯酸或苯乙烯类单体在造孔溶剂存在下在模具中或自由表面上的自由基聚合。 根据单体的选择,该材料可以是半透明的或完全透明的,并且是超疏水的或超亲水的。 由于孔隙率和双重尺度粗糙度是整体材料的固有本体特性,不仅表面特性,聚合物可以被粉末化以产生超疏水性粉末,或以其他方式分散和附着到任何物体的表面,使其超疏水或超级 亲水的。 多孔材料的表面性质也可以通过用选择的单体进行光刻而局部改变。