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    • 1. 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。
    • 2. 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。
    • 3. 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。
    • 4. 发明申请
    • 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
    • US20080249258A1
    • 2008-10-09
    • US12078165
    • 2008-03-27
    • Daisuke MasukoKatsuhiko KomuroMasahiko ItoTadasu Kawashima
    • Daisuke MasukoKatsuhiko KomuroMasahiko ItoTadasu Kawashima
    • C08G18/58
    • 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. 发明授权
    • Latent curing agent
    • 潜在固化剂
    • US07557230B2
    • 2009-07-07
    • US11884527
    • 2006-06-02
    • Katsuhiko KomuroTadasu KawashimaMasahiko ItoDaisuke Masuko
    • Katsuhiko KomuroTadasu KawashimaMasahiko ItoDaisuke Masuko
    • C07F7/02C11D3/39
    • 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。
    • 7. 发明申请
    • 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
    • US20080249257A1
    • 2008-10-09
    • US12078156
    • 2008-03-27
    • Daisuke MasukoKatsuhiko KomuroMasahiko ItoTadasu Kawashima
    • Daisuke MasukoKatsuhiko KomuroMasahiko ItoTadasu Kawashima
    • C08G18/58
    • C08G18/6484C08G18/7664C08G18/7671H05K3/323
    • 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, 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. If necessary, the ethyl cellulose film is crosslinked with a polyfunctional isocyanate compound.
    • 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,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。 如果需要,乙基纤维素膜与多官能异氰酸酯化合物交联。
    • 8. 发明授权
    • Pressure-sensitive adhesive tape and process for producing the same
    • 胶带及其制造方法
    • US06534172B1
    • 2003-03-18
    • US09424045
    • 1999-11-18
    • Tadasu Kawashima
    • Tadasu Kawashima
    • B32B712
    • B32B38/0012B32B2038/0016B32B2307/716C09J7/25C09J2421/00C09J2429/005C09J2467/006C09J2479/086Y10T428/28Y10T428/2839Y10T428/2843Y10T428/2857
    • A technique for improving the adhesive force between a biodegradable base film and a rubbery adhesive layer. An adhesive tape is obtained by rubbing the surface of a biodegradable film 9 by a means of rubbing 7 and then applying solution of ingredients of adhesive layer thereonto, thus forming an adhesive layer. The adhesion force between the base film and the adhesive layer is improved by the rubbing treatment. When the solution of ingredients of adhesive layer is an aqueous system, it is also possible that solution of ingredients of primer layer containing an organic compound as a solvent is applied onto the rubbed surface to thereby form a primer layer followed by the formation of the adhesive layer. The adhesive layer may contain fillers, coloring agents, age resistors, etc. so long as the biodegradability is not deteriorated thereby. It is preferable that a separate film to be bonded to the surface of the adhesive layer is also a biodegradable one.
    • 一种用于改善生物降解性基底膜和橡胶粘合剂层之间的粘合力的技术。通过摩擦7将生物降解性膜9的表面摩擦,然后在其上涂覆粘合剂层的成分的溶液,获得粘合带,因此 形成粘合剂层。 通过摩擦处理可提高基膜与粘合剂层之间的粘附力。 当粘合剂层的成分溶液是水性体系时,也可以将含有有机化合物的底漆层的成分作为溶剂的溶液施加到摩擦面上,从而形成底漆层,然后形成粘合剂 层。 粘合剂层可以含有填料,着色剂,耐老化剂等,只要生物降解性不会降低。 要粘合到粘合剂层的表面上的单独的膜也是可生物降解的。