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    • 4. 发明授权
    • Latent curing agent for epoxy resin and method for manufacturing the same
    • 环氧树脂的潜在固化剂及其制造方法
    • US08211330B2
    • 2012-07-03
    • US12078165
    • 2008-03-27
    • Daisuke MasukoKatsuhiko KomuroMasahiko ItoTadasu Kawashima
    • Daisuke MasukoKatsuhiko KomuroMasahiko ItoTadasu Kawashima
    • C09K3/00C08L63/00C08G59/18C08G59/68
    • C08G18/6484
    • A latent epoxy resin curing agent is provided which can be manufactured without using an amphiphilic polymer compound requiring a painful trial and error selection process, exhibits excellent solvent resistance and low-temperature fast-curing ability, and contains an imidazole-based compound as a main component. In the latent epoxy resin curing agent containing the imidazole-based compound as a main component, the adduct particles of the epoxy-based compound and the imidazole-based compound are coated with an ethyl cellulose film, and the surface thereof is crosslinked with a polyfunctional isocyanate compound. The epoxy-based compound, the imidazole-based compound, and ethyl cellulose are dissolved in a predetermined saturated hydrocarbon-based solvent under stirring and heating. Then, the epoxy-based compound and the imidazole-based compound are subjected to adduct reaction to obtain a slurry of the adduct. After the slurry was cooled, the polyfunctional isocyanate compound is added thereto to crosslink the ethyl cellulose film.
    • 提供一种潜在的环氧树脂固化剂,其可以在不需要使用痛苦的试错误选择方法的两亲性聚合物化合物的情况下制造,显示出优异的耐溶剂性和低温快速固化能力,并且含有咪唑类化合物作为主要 零件。 在含有咪唑类化合物作为主要成分的潜在环氧树脂固化剂中,环氧类化合物和咪唑类化合物的加合物颗粒用乙基纤维素膜包覆,其表面与多官能团 异氰酸酯化合物。 环氧类化合物,咪唑类化合物和乙基纤维素在搅拌和加热下溶解在预定的饱和烃类溶剂中。 然后,将环氧类化合物和咪唑类化合物进行加合反应,得到加合物的淤浆。 在浆料冷却后,加入多官能异氰酸酯化合物以使乙基纤维素膜交联。
    • 6. 发明申请
    • Latent Curing Agent
    • 潜在固化剂
    • US20080161589A1
    • 2008-07-03
    • US11884527
    • 2006-06-02
    • Katsuhiko KomuroTadasu KawashimaMasahiko ItoDaisuke Masuko
    • Katsuhiko KomuroTadasu KawashimaMasahiko ItoDaisuke Masuko
    • C07F5/06
    • C07F7/21
    • An aluminum chelate-based latent curing agent capable of curing a thermosetting epoxy resin under the condition of relatively low temperature in a short period of time is provided. Furthermore, a method for manufacturing the latent curing agent is provided, in which the curing conditions of the aluminum chelate-based latent curing agent can be controlled relatively easily.The aluminum chelate-based latent curing agent is prepared by reacting an aluminum chelate agent with a silsesquioxane type oxetane derivative in the presence of a water insoluble or poorly water-soluble cellulose ether, whereby latency properties are imparted thereto. This latent curing agent contains a coating layer composed of the water insoluble or poorly water-soluble cellulose ether. Preferably, the surface is treated with an isocyanate compound.
    • 提供一种能够在短时间内在相对较低温度的条件下固化热固性环氧树脂的铝螯合物系潜在性固化剂。 此外,提供了一种用于制造潜在性固化剂的方法,其中可以相对容易地控制铝螯合物类潜在性固化剂的固化条件。 铝螯合物系潜在性固化剂是通过使铝螯合剂与倍半硅氧烷型氧杂环丁烷衍生物在水不溶性或难溶于水的纤维素醚存在下反应制备的,由此赋予延迟性能。 该潜在性固化剂含有由水不溶性或难溶于水的纤维素醚构成的涂层。 优选地,用异氰酸酯化合物处理表面。
    • 9. 发明授权
    • Latent curing agent for epoxy resin and method for manufacturing the same
    • 环氧树脂的潜在固化剂及其制造方法
    • US08128837B2
    • 2012-03-06
    • US12078156
    • 2008-03-27
    • Daisuke MasukoKatsuhiko KomuroMasahiko ItoTadasu Kawashima
    • Daisuke MasukoKatsuhiko KomuroMasahiko ItoTadasu Kawashima
    • C09K3/00C08L63/00C08G59/18C08G59/68
    • C08G18/6484C08G18/7664C08G18/7671H05K3/323
    • A latent epoxy resin curing agent is provided which exhibits excellent solvent resistance and low-temperature fast-curing ability, and contains an imidazole-based compound as a main component. In the latent epoxy resin curing agent containing the imidazole-based compound as a main component, adduct particles formed through adduct reaction of an epoxy-based compound with the particulate imidazole-based compound are coated with an ethyl cellulose film. Furthermore, the surfaces of the adduct particles may be crosslinked with a polyfunctional isocyanate compound. A mixture of the epoxy-based compound, the particulate imidazole-based compound, and ethyl cellulose in a predetermined saturated hydrocarbon-based solvent is heated under stirring. Then, the epoxy-based compound and the particulate imidazole-based compound are subjected to adduct reaction to give a slurry of the adduct. After the slurry is cooled, the latent epoxy resin curing agent is filtrated.
    • 提供一种潜在的环氧树脂固化剂,其具有优异的耐溶剂性和低温快速固化能力,并且含有咪唑类化合物作为主要成分。 在含有咪唑类化合物作为主要成分的潜在环氧树脂固化剂中,通过环氧类化合物与微粒状咪唑类化合物的加成反应而形成的加合物粒子被乙基纤维素膜包覆。 此外,加合物颗粒的表面可以与多官能异氰酸酯化合物交联。 在预定的饱和烃类溶剂中将环氧类化合物,微粒状咪唑类化合物和乙基纤维素的混合物在搅拌下加热。 然后,将环氧类化合物和微粒状咪唑类化合物进行加合反应,得到加合物的淤浆。 在浆液冷却后,过氧化潜在的环氧树脂固化剂。
    • 10. 发明授权
    • Polycarbosilane and method for producing same
    • 聚碳硅烷及其制备方法
    • US07652118B2
    • 2010-01-26
    • US11572178
    • 2005-07-15
    • Katsuhiko KomuroHiroshi Suzuki
    • Katsuhiko KomuroHiroshi Suzuki
    • C08G77/00C08G77/60
    • C08G77/60C08G77/52
    • An object of the present invention is to provide polycarbosilane which is excellent in solubility in general-purpose organic solvents, and heat resistance, and a method for producing the same. Polycarbosilane of the present invention comprises the following repeated unit [1]. Polycarbosilane may further comprise the following repeated unit [2] and, in that case, a content of the repeated unit [1] is preferably not less than 20 mol % relative to 100 mol % of a total of the repeated unit [1] and the repeated unit [2]. (wherein R1 represents an C1-C6 alkyl group, R2 represents an alkyl group having 2 or more carbon atoms, and R1 and R2 may be the same or different) (wherein Me represents a methyl group).
    • 本发明的目的是提供在通用有机溶剂中的溶解性和耐热性优异的聚碳硅烷及其制造方法。 本发明的聚碳硅烷包括以下重复单元[1]。 聚碳硅烷可以进一步包括以下重复单元[2],在这种情况下,重复单元[1]的含量相对于重复单元[1]的总计100摩尔%优选不小于20摩尔%,并且 重复单位[2]。 (其中R1表示C1-C6烷基,R2表示碳原子数2以上的烷基,R1和R2可以相同或不同)(其中Me表示甲基)。