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    • 2. 发明申请
    • Aqueous polyester resin dispersion and method for production thereof
    • 水性聚酯树脂分散体及其制造方法
    • US20060069231A1
    • 2006-03-30
    • US10531308
    • 2003-10-21
    • Hiroshi KajimaruYoshitaka NagaraMamiko MatsunagaDaisuke ShirasawaSachiko Kokuryo
    • Hiroshi KajimaruYoshitaka NagaraMamiko MatsunagaDaisuke ShirasawaSachiko Kokuryo
    • C08G63/02
    • C08J3/07C08J3/05C08J2367/00
    • The present invention is to provide an aqueous resin dispersion containing polyester resin having a low acid value and a high-molecular weight that is excellent in storage stability and can form a resin film superior in film properties such as adhesiveness to base materials, water resistance, solvent resistance, processability, and the like, and a process for producing the same. The present invention relates to a polyester resin aqueous dispersion, comprising: a polyester resin (A) having an acid value of 2 mg KOH/g or more and less than 8 mg KOH/g and a number-average molecular weight of 5,000 or more; a basic compound (B); and water (C), wherein the content of the polyester resin (A) is 1 to 70 percent by mass, the content of water (C) is 10 percent by mass or more, and no surfactant is contained, and a process for producing the polyester resin aqueous dispersion by phase-inversion emulsification, wherein the phase-inversion emulsification is carried out at a temperature of 40° C. or lower.
    • 本发明提供一种含有低酸值和高分子量的聚酯树脂的水性树脂分散体,其具有优异的储存稳定性,并且可以形成优异的膜性能如对基材的粘合性,耐水性, 耐溶剂性,加工性等,及其制造方法。 本发明涉及一种聚酯树脂水分散体,其包含:酸值为2mg KOH / g以上且小于8mgKOH / g,数均分子量为5000以上的聚酯树脂(A) ; 碱性化合物(B); 和水(C),其中聚酯树脂(A)的含量为1〜70质量%,水(C)的含量为10质量%以上,不含有表面活性剂, 所述聚酯树脂水分散体通过相转化乳化,其中所述相转化乳化在40℃以下的温度下进行。
    • 3. 发明申请
    • Image-receiving sheet for electrophotography and image-forming process
    • 用于电子照相和图像形成过程的图像接收片
    • US20050208235A1
    • 2005-09-22
    • US11079464
    • 2005-03-15
    • Ashita MuraiYoshio TaniHiroshi Kajimaru
    • Ashita MuraiYoshio TaniHiroshi Kajimaru
    • G03G15/20C08K3/18C08L67/00G03G7/00
    • G03G7/008G03G7/0026G03G7/0046G03G7/006G03G7/0066G03G7/0073G03G2215/2016G03G2215/2032
    • The object of the present invention is to provide an image-receiving sheet for the electrophotography which can form an image having excellent glossiness, a little concave and convex (relief) and a high image quality compared to that of a silver salt photograph, is excellent in adhesion resistance and shelf stability, and can mitigate an environmental load during the production thereof, and also an image-forming process using the image-receiving sheet for the electrophotography. For this object, the present invention provides an image-receiving sheet for the electrophotography comprising a support and a toner image-receiving layer disposed on the support, wherein the toner image-receiving layer comprises a thermoplastic resin which is a polyester resin having a glass transition temperature (Tg) of higher than 60° C., a number average molecular weight (Mn) of 5,000 to 12,000 and the ratio (Mw/Mn) between the weight average molecular weight (Mw) and the number average molecular weight (Mn) of 1≦Mw/Mn≦3.
    • 本发明的目的是提供一种用于电子照相术的图像接收片材,其能够形成与银盐照片相比具有优异的光泽度,小的凹凸(浮雕)和高图像质量的图像,是优异的 耐粘连性和储存稳定性,并且可以在其制造过程中减轻环境负荷,以及使用图像接收片材进行电子照相的图像形成处理。 为此目的,本发明提供了一种用于电子摄影的图像接收片,其包括支撑体和设置在支撑体上的调色剂图像接收层,其中调色剂图像接收层包括热塑性树脂,其是具有玻璃的聚酯树脂 转化温度(Tg)高于60℃,数均分子量(Mn)为5,000〜12000,重均分子量(Mw)与数均分子量(Mn)之比(Mw / Mn) )为1 <= Mw / Mn <= 3。
    • 5. 发明授权
    • Image-recording material, process for producing the same and process for forming image
    • 图像记录材料,其制造方法和图像形成工艺
    • US07270869B2
    • 2007-09-18
    • US10893905
    • 2004-07-20
    • Yasutomo GotoYoshio TaniHiroshi Kajimaru
    • Yasutomo GotoYoshio TaniHiroshi Kajimaru
    • B41M5/00
    • B41M5/52B41M5/41B41M5/508G03C1/04G03C1/043G03C1/7954G03G7/0013G03G7/002G03G7/0046G03G2215/20Y10T428/24802Y10T428/3154
    • The object of the present invention is to provide an image-recording material that may prevent a flocculation of a coating liquid for image-recording layer that contains a water-dispersible emulsion and a water-soluble polymer compound, and that may exhibit an enhanced stability, present an improved film-forming performance, and provide superior surface conditions. In order to achieve the object, an image-recording material according to the present invention is provided, in which the image-recording material comprises a support and at least one image-recording layer on the support, wherein the image-recording layer is formed from a water-dispersible emulsion of which volume-average particle size is 55 nm or more and a water-soluble polymer compound of which weight-average molecular weight (Mw) is 400,000 or less. Preferably, the water-dispersible emulsion is a polyester emulsion. Preferably, the water-soluble polymer compound is polyethyleneoxide.
    • 本发明的目的是提供一种图像记录材料,其可以防止含有水分散性乳液和水溶性高分子化合物的图像记录层用涂布液的絮凝,并且可以表现出增强的稳定性 提供了改进的成膜性能,并提供优异的表面条件。 为了实现该目的,提供了根据本发明的图像记录材料,其中图像记录材料包括载体和载体上的至少一个图像记录层,其中形成图像记录层 来自体积平均粒度为55nm以上的水分散性乳液和重均分子量(Mw)为40万以下的水溶性高分子化合物。 优选地,水分散性乳液是聚酯乳液。 优选地,水溶性聚合物化合物是聚环氧乙烷。
    • 6. 发明授权
    • Aqueous dispersion of polyester resin, production method of the same, and aqueous coating composition
    • 聚酯树脂的水分散体,其制备方法和水性涂料组合物
    • US06818699B2
    • 2004-11-16
    • US09961412
    • 2001-09-25
    • Hiroshi KajimaruDaisuke ShirasawaToru TanakaSachiko Kokuryo
    • Hiroshi KajimaruDaisuke ShirasawaToru TanakaSachiko Kokuryo
    • C08L6702
    • C08J3/03C08J2367/00C09D167/00
    • The present invention is to provide an aqueous dispersion of polyester resin with an excellent molecular weight stability, its production method, and an aqueous coating composition. An aqueous dispersion of polyester resin having an acid value of 8 to 40 mg KOH/g and a weight average molecular weight of 9,000 or more contains an organic solvent less than 0.5% by mass. A method for producing the aqueous dispersion of polyester resin comprising a step of at first obtaining an aqueous dispersion of polyester resin containing not lower than 0.5% by mass of an organic solvent by adding the polyester resin and a basic compound to an aqueous medium to make the resulting mixture aqueous and a step of removing the organic solvent from the aqueous dispersion. An aqueous coating composition can be obtained by adding a curing agent to the foregoing aqueous dispersion of polyester resin.
    • 本发明提供具有优异分子量稳定性的聚酯树脂的水分散体,其制备方法和水性涂料组合物。 酸值为8〜40mg KOH / g,重均分子量为9000以上的聚酯树脂的水性分散体含有小于0.5质量%的有机溶剂。 一种聚酯树脂水分散体的制造方法,其特征在于,通过向所述水性介质中添加聚酯树脂和碱性化合物,首先得到含有0.5质量%以上的有机溶剂的聚酯树脂的水性分散液, 所得混合物水溶液和从水分散体中除去有机溶剂的步骤。 通过向上述聚酯树脂的水性分散体中添加固化剂可以得到水性涂料组合物。
    • 7. 发明授权
    • PTC element and process for producing the same
    • PTC元件及其制造方法
    • US5817423A
    • 1998-10-06
    • US607636
    • 1996-02-27
    • Hiroshi KajimaruKeiichi AsamiYoshiaki IwayaYoshiaki EchigoAkira Ito
    • Hiroshi KajimaruKeiichi AsamiYoshiaki IwayaYoshiaki EchigoAkira Ito
    • H01C7/02H01C17/065B32B15/08B29C65/00B30B11/00H01C7/00
    • H01C7/027H01C17/06573Y10T428/31678Y10T428/31692Y10T428/31855
    • A PTC element comprising a conductive sheet of a crystalline polyolefin matrix and a conductive filler, having provided on both sides thereof an electrode of a metallic foil, the PTC element having a resistivity at 20.degree. C. (.rho..sub.20) of not more than 1.8 .OMEGA..multidot.cm, a peak resistivity (.rho..sub.p) of not less than 2.0.times.10.sup.6 .OMEGA..multidot.cm, and a temperature difference �T.sub.a (0.degree.C.)-T.sub.b (.degree.C.)! of not greater than 10.degree. C., wherein T.sub.a (.degree.C.) is a temperature at which the resistivity is 10.sup.6 times the resistivity at 20.degree. C. (.rho..sub.20) and T.sub.b (.degree.C.) is a temperature at which the resistivity is 10 times the resistivity at 20.degree. C. (.rho..sub.20). The PTC element is produced by a process comprising mixing a crystalline polyolefin and a conductive filler, molding the mixture into a conductive sheet, press bonding under heat a metallic foil to both sides of the conductive sheet, and repeatedly subjecting the conductive sheet to a heating and cooling cycle consisting of heating at a temperature of not lower than (the melting point of the crystalline polyolefin minus 5.degree. C.) and then cooling to a temperature lower than (the melting point of the crystalline polyolefin minus 5.degree. C.). The PTC elements exhibit an extremely low resistivity at 20.degree. C. and a high resistivity at a peak temperature, showing a very steep increase in resistance in a narrow temperature range.
    • 一种PTC元件,包括结晶聚烯烃基质和导电填料的导电片,其两侧均设有金属箔的电极,PTC元件的电阻率在20℃(rho 20)不大于1.8 OMEGA xcm,峰值电阻率(rho p)不小于2.0×10 6欧姆×xcm,温度差[Ta(0℃)-Tb(℃)]为10℃以下,其中Ta (℃)是电阻率为20℃时电阻率的106倍的温度(rho 20),Tb(℃)是电阻率为20℃电阻率10倍的温度。 (rho 20)。 PTC元件通过包括混合结晶聚烯烃和导电填料的方法制备,将该混合物成型为导电片,在导热片的两侧将金属箔加热压接,并重复地对导电片进行加热 和冷却循环由不低于(结晶聚烯烃的熔点减去5℃)的温度加热,然后冷却到低于(结晶聚烯烃的熔点减去5℃)的温度。 PTC元件在20℃下表现出非常低的电阻率,在峰值温度下表现出高电阻率,表现出在窄温度范围内电阻非常陡峭的增加。