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    • 3. 发明授权
    • External additive for electrostatically charged latent image developing toner
    • 用于静电充电潜像显影调色剂的外用添加剂
    • US06316155B1
    • 2001-11-13
    • US09524907
    • 2000-03-13
    • Muneo KudoMasaki TanakaYoshiteru SakatsumeShoji IchinoheMitsuo Asai
    • Muneo KudoMasaki TanakaYoshiteru SakatsumeShoji IchinoheMitsuo Asai
    • G03G908
    • C09C1/3081C01P2004/32C01P2004/62G03G9/09725
    • An external additive for electrostatically charged latent image developing toner is provied. The additive includes spherical hydrophobic fine silica particles having primary particles having a particle diameter of from 0.01 to 5 &mgr;m, which fine silica particles fulfill the following conditions (i) and (ii): (i) when an organic compound which is liquid at room temperature and has a dielectric constant of from 1 to 40 F/m and fine silica particles are mixed in a weight ratio of 5:1 and shaken, the fine silica particles disperse uniformly in the organic compound; and (ii) the quantity of primary particles remaining as primary particles when methanol is evaporated under heating by means of an evaporator from a dispersion prepared by dispersing the fine silica particles in methanol and thereafter the particles are held at a temperature of 100° C. for 2 hours, represents at least 20% of the quantity of primary particles originally present. The external additive does not react or has no interaction with an organic photoreceptor and therefore change in quality does not occur or the photoreceptor is not scraped. Furthermore, it has a good flowability and therefore adhesion of a toner to the photoreceptor does not occur.
    • 证明了静电充电潜像显影调色剂的外用添加剂。 添加剂包括具有粒径为0.01〜5μm的一次粒子的球状疏水性细二氧化硅粒子,二氧化硅微粒满足以下条件(i)和(ii):(i)当室内为液体的有机化合物时 介电常数为1〜40F / m,二氧化硅微粒以5:1的重量比混合并摇动,二氧化硅微粒分散在有机化合物中; 和(ii)当通过蒸发器在加热下从通过将二氧化硅微粒分散在甲醇中制备的分散体蒸发而蒸发甲醇时的初级颗粒的量,然后将颗粒保持在100℃的温度。 2小时,表示原始存在的初级粒子的量的至少20%。 外部添加剂不与有机感光体反应或没有相互作用,因此不会发生质量变化或感光体不被刮擦。 此外,它具有良好的流动性,因此不会发生调色剂对感光体的粘附。
    • 4. 发明授权
    • Silica particles surface-treated with silane, process for producing the same and uses thereof
    • 用硅烷表面处理的二氧化硅颗粒,其制造方法及其用途
    • US06855759B2
    • 2005-02-15
    • US10284149
    • 2002-10-31
    • Muneo KudoShoji IchinoheAtsushi AsamiMitsuo AsaiKazuyuki MatsumuraMasaki Tanaka
    • Muneo KudoShoji IchinoheAtsushi AsamiMitsuo AsaiKazuyuki MatsumuraMasaki Tanaka
    • C08K9/06C08K5/24
    • C08K9/06
    • Fine silica particles surface-treated with a silane and having primary particles having a particle diameter of from 0.01 to 5 μm, which fine silica particles fulfill the following conditions (i) and (ii), a process for their production and an organic resin composition containing such particles as a component are provided. (i) When an organic compound which is liquid at room temperature and has a dielectric constant of from 1 to 40 F/m and fine silica particles are mixed in a weight ratio of 5:1 and shaked, the fine silica particles disperse uniformly in the organic compound, and (ii) the quantity of primary particles remaining as primary particles when methanol is evaporated under heating by means of an evaporator from a dispersion prepared by dispersing the fine silica particles in methanol and thereafter the particles are held at a temperature of 100° C. for 2 hours, is in a percentage of at least 20% based on the quantity of primary particles originally present. The present fine silica particles are highly dispersible and low aggregative, and the organic resin composition containing them is useful for obtaining films having a good transparency and superior blocking resistance, slip properties and scratch resistance.
    • 二氧化硅微粒用硅烷表面处理,具有粒径为0.01〜5μm的一次粒子,二氧化硅微粒满足下述条件(i)和(ii),其制造方法和有机树脂组合物 提供含有作为组分的颗粒。 (i)当室温下介电常数为1〜40F / m的有机化合物和二氧化硅微粒以5:1的重量比混合并摇动时,二氧化硅微粒分散在 有机化合物,和(ii)当通过蒸发器从通过将二氧化硅微粒分散在甲醇中制备的分散体在蒸发器中加热蒸发甲醇时剩余的一次颗粒的量,然后将颗粒保持在 100℃,2小时,以原始存在的一次粒子的量为至少20%的百分比。 本发明的二氧化硅微粒高分散性和低聚集性,含有它们的有机树脂组合物可用于获得具有良好透明性和优异的抗粘连性,滑爽性和耐划伤性的膜。
    • 5. 发明授权
    • Process for producing organosilicon resin, and process for producing
polyurethane foam by using the organosilicon resin obtained by that
process
    • 制造有机硅树脂的方法,以及使用通过该方法得到的有机硅树脂制造聚氨酯泡沫的方法
    • US6124369A
    • 2000-09-26
    • US397635
    • 1999-09-16
    • Muneo KudoShinichi MoriokaMitsuo Asai
    • Muneo KudoShinichi MoriokaMitsuo Asai
    • C08G18/00C08G77/06C08G77/08C08G101/00C08G18/61
    • C08G77/10C08G77/06
    • A process for producing an organosilicon resin is disclosed. The process includes the steps of equilibrating a mixture of silane compounds of Si(OR.sup.3).sub.4 wherein R.sup.3 's are a monovalent hydrocarbon group having 1 to 6 carbon atoms; R.sup.2 Si(OR.sup.4).sub.3 wherein R.sup.2 is a monovalent hydrocarbon group having 1 to 20 carbon atoms, and R.sup.4 's are a monovalent hydrocarbon group having 1 to 6 carbon atoms; and R.sup.1.sub.3 SiX wherein X is an --OH group, an --OSiR.sup.1.sub.3 group or a hydrolyzable group, and R.sup.1 's are a monovalent hydrocarbon group having 1 to 6 carbon atoms; adding water to the product of the equilibration reaction to carry out hydrolysis reaction; and adding an aqueous alkali to the product of the hydrolysis reaction to carry out condensation reaction. The organosilicon resin obtained is well dispersible in a resin premix containing a polyol, a blowing agent, a catalyst and a foam stabilizer, and also is highly hydrophobic and low reactive. Hence, the resin premix containing the organosilicon resin has good storage stability. Accordingly, this resin premix need not be agitated when used and also can provide polyurethane foams having superior properties such as dimensional stability.
    • 公开了一种制备有机硅树脂的方法。 该方法包括使Si(OR 3)4的硅烷化合物的混合物平衡的步骤,其中R 3是具有1至6个碳原子的一价烃基; R2Si(OR4)3,其中R2是具有1至20个碳原子的一价烃基,R4是具有1至6个碳原子的一价烃基; 和R 13 SiX,其中X为-OH基,-OSiR13基或可水解基,R 1为具有1至6个碳原子的一价烃基; 向平衡反应产物中加入水进行水解反应; 并向水解反应产物中加入碱水溶液进行缩合反应。 获得的有机硅氧烷树脂可以良好地分散在含有多元醇,发泡剂,催化剂和泡沫稳定剂的树脂预混物中,并且还具有高疏水性和低反应性。 因此,含有有机硅树脂的树脂预混物具有良好的储存稳定性。 因此,该树脂预混物在使用时不需要搅拌,也可以提供具有优异性能如尺寸稳定性的聚氨酯泡沫。
    • 6. 发明授权
    • Silica particles surface-treated with silane, process for producing the same and uses thereof
    • 用硅烷表面处理的二氧化硅颗粒,其制造方法及其用途
    • US06521290B1
    • 2003-02-18
    • US09312054
    • 1999-05-17
    • Muneo KudoShoji IchinoheAtsushi AsamiMitsuo AsaiKazuyuki MatsumuraMasaki Tanaka
    • Muneo KudoShoji IchinoheAtsushi AsamiMitsuo AsaiKazuyuki MatsumuraMasaki Tanaka
    • B05D700
    • C08K9/06
    • Fine silica particles surface-treated with a silane and having primary particles having a particle diameter of from 0.01 to 5 &mgr;m, which fine silica particles fulfill the following conditions (i) and (ii), a process for their production and an organic resin composition containing such particles as a component are provided. (i) When an organic compound which is liquid at room temperature and has a dielectric constant of from 1 to 40 F/m and fine silica particles are mixed in a weight ratio of 5:1 and shaked, the fine silica particles disperse uniformly in the organic compound, and (ii) the quantity of primary particles remaining as primary particles when methanol is evaporated under heating by means of an evaporator from a dispersion prepared by dispersing the fine silica particles in methanol and thereafter the particles are held at a temperature of 100° C. for 2 hours, is in a percentage of at least 20% based on the quantity of primary particles originally present. The present fine silica particles are highly dispersible and low aggregative, and the organic resin composition containing them is useful for obtaining films having a good transparency and superior blocking resistance, slip properties and scratch resistance.
    • 二氧化硅微粒用硅烷表面处理,具有粒径为0.01〜5μm的一次粒子,二氧化硅微粒满足下述条件(i)和(ii),其制造方法和有机树脂组合物 提供含有作为组分的颗粒。 (i)当室温下介电常数为1〜40F / m的有机化合物和二氧化硅微粒以5:1的重量比混合并摇动时,二氧化硅微粒分散在 有机化合物,和(ii)当通过蒸发器从通过将二氧化硅微粒分散在甲醇中制备的分散体在蒸发器中加热蒸发甲醇时剩余的一次颗粒的量,然后将颗粒保持在 100℃,2小时,以原始存在的一次粒子的量为至少20%的百分比。 本发明的二氧化硅微粒高分散性和低聚集性,含有它们的有机树脂组合物可用于获得具有良好透明性和优异的抗粘连性,滑爽性和耐划伤性的膜。
    • 7. 发明授权
    • Process for producing organosilicon resin and process for producing
polyurethane foam by using the organosilicon resin obtained by that
process
    • 生产有机硅树脂的方法和使用通过该方法获得的有机硅树脂生产聚氨酯泡沫的方法
    • US6166163A
    • 2000-12-26
    • US593058
    • 2000-06-13
    • Muneo KudoShinichi MoriokaMitsuo Asai
    • Muneo KudoShinichi MoriokaMitsuo Asai
    • C08G18/00C08G77/06C08G77/08C08G101/00
    • C08G77/10C08G77/06
    • A process for producing an organosilicon resin is disclosed. The process includes the steps of equilibrating a mixture of silane compounds of Si(OR.sup.3).sub.4 wherein R.sup.3 's are a monovalent hydrocarbon group having 1 to 6 carbon atoms; R.sup.2 Si(OR.sup.4).sub.3 wherein R.sup.2 is a monovalent hydrocarbon group having 1 to 20 carbon atoms, and R.sup.4 's are a monovalent hydrocarbon group having 1 to 6 carbon atoms; and R.sup.1.sub.3 SiX wherein X is an --OH group, an --OSiR.sup.1.sub.3 group or a hydrolyzable group, and R.sup.1 's are a monovalent hydrocarbon group having 1 to 6 carbon atoms; adding water to the product of the equilibration reaction to carry out hydrolysis reaction; and adding an aqueous alkali to the product of the hydrolysis reaction to carry out condensation reaction. The organosilicon resin obtained is well dispersible in a resin premix containing a polyol, a blowing agent, a catalyst and a foam stabilizer, and also is highly hydrophobic and low reactive. Hence, the resin premix containing the organosilicon resin has good storage stability. Accordingly, this resin premix need not be agitated when used and also can provide polyurethane foams having superior properties such as dimensional stability.
    • 公开了一种制备有机硅树脂的方法。 该方法包括使Si(OR 3)4的硅烷化合物的混合物平衡的步骤,其中R 3是具有1至6个碳原子的一价烃基; R2Si(OR4)3,其中R2是具有1至20个碳原子的一价烃基,R4是具有1至6个碳原子的一价烃基; 和R 13 SiX,其中X为-OH基,-OSiR13基或可水解基,R 1为具有1至6个碳原子的一价烃基; 向平衡反应产物中加入水进行水解反应; 并向水解反应产物中加入碱水溶液进行缩合反应。 获得的有机硅氧烷树脂可以良好地分散在含有多元醇,发泡剂,催化剂和泡沫稳定剂的树脂预混物中,并且还具有高疏水性和低反应性。 因此,含有有机硅树脂的树脂预混物具有良好的储存稳定性。 因此,该树脂预混物在使用时不需要搅拌,也可以提供具有优异性能如尺寸稳定性的聚氨酯泡沫。