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    • 43. 发明授权
    • Composite materials and their use in smoking articles
    • 复合材料及其在吸烟用品中的应用
    • US08746254B2
    • 2014-06-10
    • US13765246
    • 2013-02-12
    • Philip Morris USA Inc.
    • Zhaohua LuanDiane L. GeeJose NepomucenoShuzhong ZhuangJay A Fournier
    • A24F1/20
    • A24D3/163A24D3/166
    • Smoking articles, filters, and methods for selectively removing selected components from tobacco smoke are disclosed. The smoking articles and filters include composites composed of a porous alumina and/or aluminosilicate matrix containing particles of activated carbon and zeolite molecular sieve adsorbents distributed throughout the matrix which can selectively remove selected components of tobacco smoke. The composites may be made by admixing the adsorbent mixture and a binder such as aluminum hydroxide or montmorillonite clay, adding an aqueous mineral acid to gel the mixture and drying and firing the gel paste. The proportions and adsorption capacities of the components can be selected to tailor the adsorption characteristics of the composites to selectively remove targeted constituents such as acrolein and 1,3-butadiene in tobacco smoke. Methods for making filters and smoking articles using the composites, as well as methods for smoking products comprising the composites, are also provided.
    • 公开了用于从烟草烟雾中选择性地去除所选组分的吸烟制品,过滤器和方法。 吸烟制品和过滤器包括由多孔氧化铝和/或包含活性炭颗粒的铝硅酸盐基质和分布在整个基质中的沸石分子筛吸附剂组成的复合材料,其可以选择性地除去选定的烟草烟雾组分。 复合材料可以通过混合吸附剂混合物和粘合剂如氢氧化铝或蒙脱石粘土来制备,加入无机酸水溶液使混合物凝胶化并干燥并焙烧凝胶糊剂。 可以选择组分的比例和吸附能力来定制复合材料的吸附特性,以便在烟草烟雾中选择性地除去目标成分如丙烯醛和1,3-丁二烯。 还提供了使用复合材料制造过滤器和吸烟制品的方法以及包含复合材料的吸烟产品的方法。
    • 44. 发明授权
    • Filtered cigarette incorporating an adsorbent material
    • 过滤香烟结合吸附材料
    • US07856990B2
    • 2010-12-28
    • US10675937
    • 2003-09-30
    • Evon Llewellyn CrooksSheila Lynnette CashJoanne Naomi Taylor
    • Evon Llewellyn CrooksSheila Lynnette CashJoanne Naomi Taylor
    • A24D3/06
    • A24D3/163A24D3/043A24D3/048A24D3/061A24D3/166
    • A filter element incorporating an adsorbent material is provided. The filter element may comprise a first section of filter material and a second section of filter material spaced apart to form a compartment therebetween. The compartment may be filled with one or more adsorbents or the compartment may be divided into two regions, wherein one compartment region is filled with an adsorbent and the other compartment region is either filled with an ion-exchange resin or remains empty. The section of filter material adjacent to the tobacco rod may include one or more channels therethrough for passaging smoke directly from the tobacco rod into the adsorbent-filled compartment. The mouth end section of filter material may contain a breakable capsule, wherein the breakable capsule is filled with a flavoring agent capable of altering the taste characteristics of mainstream smoke.
    • 提供了包含吸附剂材料的过滤元件。 过滤元件可以包括过滤材料的第一部分和间隔开以在其间形成隔室的过滤材料的第二部分。 隔室可以填充有一个或多个吸附剂,或者隔室可以分成两个区域,其中一个隔室区域填充有吸附剂,另一隔室区域填充有离子交换树脂或保持空。 与烟草杆相邻的过滤材料的部分可以包括一个或多个通道,用于将烟直接从烟丝棒传播到吸附剂填充的隔室中。 过滤材料的口端部分可以包含可破坏的胶囊,其中可破坏的胶囊填充有能够改变主流烟雾的味道特征的调味剂。
    • 46. 发明授权
    • Smoking articles and filters with carbon-coated molecular sieve sorbent
    • 吸烟制品和带碳涂层分子筛吸附剂的过滤器
    • US07448392B2
    • 2008-11-11
    • US10740508
    • 2003-12-22
    • Jay A FournierZhaohua Luan
    • Jay A FournierZhaohua Luan
    • A24D1/04
    • A24D3/163A24D3/166
    • Smoking articles and filters, which involve the use of carbon-coated molecular sieve sorbents are provided. The carbon-coated molecular sieve sorbent has a carbon coating within pores of a mesoporous molecular sieve. The carbon-coated molecular sieve sorbent provides selective adsorption of one or more constituents from mainstream smoke, such as acrolein or 1,3-butadiene. Thus, certain constituents from cigarette smoke will be selectively removed, while maintaining other constituents, such as those that contribute to flavor. Methods for making cigarette filters and smoking articles using the carbon-coated molecular sieve sorbent, as well as methods for smoking a cigarette comprising the carbon-coated molecular sieve sorbent, are also provided.
    • 提供了涉及使用碳涂层分子筛吸附剂的吸烟制品和过滤器。 碳涂分子筛吸附剂在介孔分子筛的孔内具有碳涂层。 碳涂层分子筛吸附剂提供主流烟雾中一种或多种成分的选择性吸附,如丙烯醛或1,3-丁二烯。 因此,来自香烟烟雾的某些成分将被选择性地除去,同时保持其它成分,例如有助于风味的成分。 还提供了使用碳涂层分子筛吸附剂制造香烟过滤嘴和吸烟制品的方法,以及用于吸烟的方法,该方法包括涂覆有碳的分子筛吸附剂。
    • 48. 发明申请
    • Method of making surface modified silica gel
    • 制备表面改性硅胶的方法
    • US20050205102A1
    • 2005-09-22
    • US11051637
    • 2005-01-27
    • Zuyin YangJohn Paine
    • Zuyin YangJohn Paine
    • B01D15/08B01J20/10B01J20/32
    • A24D3/166B01D2253/106B01J20/103B01J20/28019B01J20/28083B01J20/3204B01J20/3217B01J20/3257
    • A method of treating silica gel to improve its characteristics as a filter material. The method comprises the steps of preparing surface modified silica gel by introducing fluidizing gas into a reactor at least partially filled with silica gel particles so as to form a fluidized bed of the silica gel particles; and introducing a liquid reagent into the reactor so as to modify the surface of the silica gel particles by covalently bonding at least one functional group thereto. The liquid reagent may be prepared such that the functional group includes a 3-aminopropylsilyl group, a N-[2-aminoethyl]-3-aminopropylsilyl group, a N-[N-(2-aminoethyl)-2-aminoethyl]-3-aminopropylsilyl group or a mixture thereof. The liquid reagent can be an aqueous or non-aqueous solution containing 3-aminopropyltriethoxysilane, 3-aminopropyltrimethoxysilane, N-[3-(trimethoxysilyl)propyl]-ethylenediamine and/or N′-[3-(trimethoxysilyl)propyl]-diethylenetriamine.
    • 一种处理硅胶以提高其作为过滤材料的特性的方法。 该方法包括以下步骤:通过将流化气体引入至少部分填充有硅胶颗粒的反应器中以形成硅胶颗粒的流化床来制备表面改性硅胶; 并将液体试剂引入反应器中,以通过共价键合至少一个官能团来改变硅胶颗粒的表面。 可以制备液体试剂,使得官能团包括3-氨基丙基甲硅烷基,N- [2-氨基乙基] -3-氨基丙基甲硅烷基,N- [N-(2-氨基乙基)-2-氨基乙基] -3 - 氨基丙基甲硅烷基或其混合物。 液体试剂可以是含有3-氨基丙基三乙氧基硅烷,3-氨基丙基三甲氧基硅烷,N- [3-(三甲氧基甲硅烷基)丙基] - 乙二胺和/或N' - [3-(三甲氧基甲硅烷基)丙基] - 二亚乙基三胺的水溶液或非水溶液。