Gypsum board with a fluorine-containing antifungal agent
申请人:Toreki William
公开号:US20090104144A1
公开(公告)日:2009-04-23
A novel gypsum board having improved antifungal properties is disclosed. The board comprises a gypsum core, front and back paper facings, and a polymeric antifungal agent effective at inhibiting fungal growth. A preferred polymeric antifungal agent is polyDADMAC or polyTMMC. The novel gypsum board further comprises a non-polymeric antifungal agent comprising a fluorine-containing quaternary ammonium compound. Preferred non-polymeric ammonium compounds include Tetra-n-butylammonium fluoride and Tetraethylammonium fluoride. The polymeric antifungal agent can be present in the gypsum core and/or on one or both of the paper facings. The non-polymeric antifungal agent may be encapsulated in a material or ionically associated with the polymeric antifungal agent to allow releases of the non-polymeric antifungal agent over time and/or upon exposure to moisture. Methods for preparing the aforementioned novel gypsum board are also disclosed.
A New Class of Hydrophobic Ionic Liquids: Trialkyl(2-methoxyethyl)ammonium Perfluoroethyltrifluoroborate
作者:Zhi-Bin Zhou、Hajime Matsumoto、Kuniaki Tatsumi
DOI:10.1246/cl.2004.886
日期:2004.7
New hydrophobic ionic liquids consisting of trialkyl(2-methoxyethyl)ammonium ([R1R2R3NCH2CH2OCH3]+, R1, R2, R3 = CH3 or C2H5) cation and perfluoroethyltrifluoroborate ([C2F5BF3]−) anion were prepared by neutralization of aq. [R1R2R3NCH2CH2OCH3][OH] with aq. H[C2F5BF3]. The new [C2F5BF3]−-based ionic liquids show much lower melting points and viscosities (58–86 cP at 25 °C), hence higher ionic conductivities, than the [BF4]−-based ones.
通过用 H[C2F5BF3]中和[R1R2R3NCH2CH2OCH3][OH]等离子,制备了由三烷基(2-甲氧基乙基)铵([R1R2R3NCH2CH2OCH3]+,R1、R2、R3 = CH3 或 C2H5)阳离子和全氟乙基三氟硼酸盐([C2F5BF3]-)阴离子组成的新型疏水性离子液体。与基于[BF4]的离子液体相比,基于[C2F5BF3]的新型离子液体显示出更低的熔点和粘度(25 °C 时为 58-86 cP),因此离子电导率更高。
Ionic liquids for electrochemical applications: Correlation between molecular structure and electrochemical stability window
guidelines were determined from the experimental results: first, the cations influence both cathodic and anodic limits; second, the asymmetric ammoniumcations show larger electrochemical stability than symmetric ones; third, the electrochemical stability decreases at the increase of the length of the ''long chain''; fourth, alkyl long chains show a larger anodic limit, but smaller cathodic limit than
离子门控已成为一种有效且通用的工具,可调节材料的电荷载流子密度并控制其电子基态,以及开发低温器件,如电化学晶体管。离子液体因其在基础研究和应用研究中的高热稳定性和电化学稳定性而成为一种很有前途的门控剂。然而,对离子液体的分子结构与其电化学稳定性之间的相关性的理解相当有限。出于这个原因,本研究旨在确定合成适合在低温下用作电解质的离子液体的指南。一系列二十三种具有各种铵阳离子的离子液体,由三个“短链”和一个“长链”组成,N作为阴离子,被合成。之后,确定它们的热行为以识别那些表现出T g的离子液体 < -50 °C。所选离子液体的阳极和阴极极限是通过线性扫描伏安法使用电化学晶体管配置测量的,工作温度为-33°C。测量了绝对值从 2.9 到 5.7 V 的电化学窗口。总体而言,根据实验结果确定了五个指导原则:首先,阳离子影响阴极和阳极极限;其次,不对称铵阳离子比对称铵阳离子表现出更大的电化学稳定性
METHOD FOR PRODUCING ORGANIC COMPOUND
申请人:M. Technique Co., Ltd.
公开号:EP3318543A1
公开(公告)日:2018-05-09
The present invention addresses the problem of providing a method for producing an organic compound by a phase transfer catalysis reaction using a forced thin-film microreactor. In the present invention, at least two types of fluid, which are a first fluid and a second fluid are used; the first fluid and the second fluid are not miscible with each other; at least the first fluid thereamong includes one or two items selected from the three items of an organic compound, a reactant, and a phase transfer catalyst; from among the fluids other than the first fluid, at least the second fluid includes at least one item from among the items not selected from the three items; the overall first fluid and second fluid contain all of the three items; and each of the fluids meraged
Method for producing an organic compound in a rotating forced thin-film microreactor
申请人:M. TECHNIQUE CO., LTD.
公开号:US10287232B2
公开(公告)日:2019-05-14
At least a first fluid and a second fluid are used and are not miscible with each other. At least the first fluid includes one or two items selected from an organic compound, a reactant, and a phase transfer catalyst. From among the fluids other than the first fluid, at least the second fluid includes at least one item from among the items not selected from the three items. The first fluid and second fluid contain all three items. Each of the fluids are merged in a thin-film fluid formed between processing faces that rotate relative to each other. A phase transfer catalyst reaction occurs in the thin-film fluid. Among the first fluid and the second fluid, at least the fluid containing the phase transfer catalyst is prepared so that the phase transfer catalyst is substantially homogeneously mixed before being introduced between the processing faces.