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    • 1. 发明专利
    • Method for producing polycarbonate resin, polycarbonate resin pellet and stretched film
    • 生产聚碳酸酯树脂,聚碳酸酯树脂薄膜和拉伸薄膜的方法
    • JP2014074106A
    • 2014-04-24
    • JP2012221435
    • 2012-10-03
    • Mitsubishi Chemicals Corp三菱化学株式会社
    • NAMIKI SHINGOYAMAMOTO MASANORI
    • C08G64/30
    • PROBLEM TO BE SOLVED: To provide a polycarbonate resin which is excellent in hue, transparency, heat resistance, weatherability and mechanical strength and has less residual low-molecular weight components.SOLUTION: There is provided a method for producing a polycarbonate by continuously polycondensing a dihydroxy compound having a fluorene structure and a carbonic acid diester using a plurality of reactors. The reactors are connected at least in series, at least one polymerization reactor is a horizontal agitation type reactor having a horizontal rotating shaft in its inside. The polycarbonate resin is filtered with a filter having a filter medium composed of a metal non-woven fabric to obtain a polycarbonate resin having a reduced viscosity of 0.36 to 0.60 dL/g.
    • 要解决的问题:提供一种色调,透明性,耐热性,耐候性和机械强度优异的聚碳酸酯树脂,并且具有较少的残余低分子量组分。解决方案:提供一种通过连续缩聚 具有芴结构的二羟基化合物和使用多个反应器的碳酸二酯。 反应器至少串联连接,至少一个聚合反应器是在其内部具有水平旋转轴的卧式搅拌式反应器。 用具有由金属无纺布构成的过滤介质的过滤器过滤聚碳酸酯树脂,得到比浓粘度为0.36〜0.60dL / g的聚碳酸酯树脂。
    • 2. 发明专利
    • Method for producing polycarbonate resin
    • 生产聚碳酸酯树脂的方法
    • JP2013209563A
    • 2013-10-10
    • JP2012081820
    • 2012-03-30
    • Mitsubishi Chemicals Corp三菱化学株式会社
    • NAMIKI SHINGOYAMAMOTO MASANORI
    • C08G64/30
    • PROBLEM TO BE SOLVED: To provide a preparation method of a polycarbonate resin raw material for stably producing a polycarbonate resin excellent in transparency, hue, heat resistance, moldability and mechanical strength, and having excellent optical characteristics.SOLUTION: There is provided a production method of a polycarbonate resin using a dihydroxy compound and diester carbonate as raw material monomers and polycondensing the monomers by ester exchange reaction in the presence of an ester exchange catalyst, where the dihydroxy compound at least contains an aliphatic dihydroxy compound having an ethereal oxygen atom at least at one β-position or γ-position of the hydroxy group, and the aliphatic dihydroxy compound contains alkanolamine, the method comprising a step of heating the aliphatic dihydroxy compound to 50°C or higher in advance, and mixing with diester carbonate in a molten state.
    • 要解决的问题:提供用于稳定生产透明性,色调,耐热性,成型性和机械强度优异的聚碳酸酯树脂的聚碳酸酯树脂原料的制备方法,并且具有优异的光学特性。解决方案:提供了一种生产方法 使用二羟基化合物和二酯碳酸酯作为原料单体的聚碳酸酯树脂,并且在酯交换催化剂存在下,通过酯交换反应使单体缩聚,其中二羟基化合物至少含有具有醚性氧原子的脂族二羟基化合物至少 在羟基的一个或多个位置或γ-位,并且脂族二羟基化合物含有链烷醇胺,该方法包括预先将脂肪族二羟基化合物加热至50℃以上并与碳酸二酯混合的步骤 熔融状态。
    • 6. 发明专利
    • Method for producing purified pentamethylenediamine, and method for producing polyamide resin
    • 生产纯化的戊烯酰胺的方法和生产聚酰胺树脂的方法
    • JP2012201817A
    • 2012-10-22
    • JP2011068302
    • 2011-03-25
    • Mitsubishi Chemicals Corp三菱化学株式会社
    • HITOMI TATSUYAYAMAMOTO MASANORINISHIDA YUICHIKUSANO KAZUNAOURASHIMA HIDETOSHIMIYAOKU KOHEI
    • C08G69/28C07C209/84C07C211/09C12N15/09C12P13/00
    • PROBLEM TO BE SOLVED: To provide a method for producing purified pentamethylenediamine, in which the purified pentamethylenediamine is recovered in high yield in a simple production process while preventing trouble in manufacturing such as pipeline clogging in the manufacture of pentamethylenediamine by pyrolysis of pentamethylenediamine carbonate.SOLUTION: The method for producing purified pentamethylenediamine includes a pyrolysis step of heating the aqueous solution of the pentamethylenediamine carbonate to decompose it into crude pentamethylenediamine and carbon dioxide and is characterized in that the pressure at the pyrolysis step is 0.21-1.0 MPa. When the aqueous solution of the pentamethylenediamine carbonate is pyrolyzed to obtain the crude pentamethylenediamine and carbon dioxide, the pyrolysis is performed under specific pressure, so that the risk caused by the trouble in manufacturing such as the pipeline clogging can be reduced and the purified pentamethylenediamine can be obtained in high yield.
    • 待解决的问题:提供一种纯化的五亚甲基二胺的制备方法,其中在简单的制备方法中以高收率回收纯化的戊二胺,同时防止在制备戊二胺时通过五亚甲基二胺的热解制造中管道堵塞等麻烦 碳酸盐。 解决方案:纯化的五亚甲基二胺的制备方法包括加热五亚甲基二胺碳酸酯的水溶液以将其分解成粗戊二胺和二氧化碳的热解步骤,其特征在于热解步骤的压力为0.21-1.0MPa。 当将五亚甲基二胺碳酸酯的水溶液热解得到粗戊二胺和二氧化碳时,在特定压力下进行热分解,可以降低管道堵塞等制造中的麻烦引起的风险,纯化的五亚甲基二胺可以 以高产量获得。 版权所有(C)2013,JPO&INPIT
    • 7. 发明专利
    • Polycarbonate resin composition and method for manufacturing the same
    • 聚碳酸酯树脂组合物及其制造方法
    • JP2012177093A
    • 2012-09-13
    • JP2011256727
    • 2011-11-24
    • Mitsubishi Chemicals Corp三菱化学株式会社
    • NISHIHARA RYOHEIHITOMI TATSUYAYAMAMOTO MASANORINAKADA MICHIO
    • C08L69/00C08G64/06
    • PROBLEM TO BE SOLVED: To provide a polycarbonate resin composition excellent in surface hardness, heat-resistant moldability, color tone and impact resistance.SOLUTION: The polycarbonate resin composition is characterized in that the polycarbonate resin composition includes at least a polycarbonate resin (a) and a polycarbonate resin (b) having a different structural unit from that of the polycarbonate resin (a), and satisfies the following conditions. (i) The pencil hardness prescribed by ISO 15184 of the polycarbonate resin (a) is higher than the pencil hardness prescribed by ISO 15184 of the polycarbonate resin (b). (ii) The weight ratio of the polycarbonate resin (a) and the polycarbonate resin (b) in the polycarbonate resin composition is in a range of 1:99-45:55. (iii) The melt viscosity at temperature 280°C and shearing speed of 122 secof the polycarbonate resin (b) is higher than the melt viscosity at temperature 280°C and shearing speed of 122 secof the polycarbonate resin (a).
    • 要解决的问题:提供表面硬度,耐热成型性,色调和耐冲击性优异的聚碳酸酯树脂组合物。 聚碳酸酯树脂组合物的特征在于,聚碳酸酯树脂组合物至少含有与聚碳酸酯树脂(a)的结构单元不同的聚碳酸酯树脂(a)和聚碳酸酯树脂(b),并且满足 以下条件。 (i)由聚碳酸酯树脂(a)的ISO 15184规定的铅笔硬度高于聚碳酸酯树脂(b)的ISO 15184规定的铅笔硬度。 (ii)聚碳酸酯树脂组合物中的聚碳酸酯树脂(a)和聚碳酸酯树脂(b)的重量比在1:99-45:55的范围内。 (iii)聚碳酸酯树脂(b)的280℃温度下的熔体粘度和122秒的剪切速度高于280℃的熔融粘度, 聚碳酸酯树脂(a)的剪切速度为122秒。 版权所有(C)2012,JPO&INPIT
    • 8. 发明专利
    • Polycarbonate resin composition and method for manufacturing the same
    • 聚碳酸酯树脂组合物及其制造方法
    • JP2012177091A
    • 2012-09-13
    • JP2011256725
    • 2011-11-24
    • Mitsubishi Chemicals Corp三菱化学株式会社
    • NISHIHARA RYOHEIHITOMI TATSUYAYAMAMOTO MASANORINAKADA MICHIO
    • C08L69/00
    • PROBLEM TO BE SOLVED: To provide a polycarbonate resin composition excellent in surface hardness, heat-resistant moldability or the like.SOLUTION: The polycarbonate resin composition includes at least a polycarbonate resin (a) and a polycarbonate resin (b) having a different structural unit from that of the polycarbonate resin (a), and the polycarbonate resin composition satisfies the following conditions. (i) The pencil hardness prescribed by ISO 15184 of the polycarbonate resin (a) is higher than the pencil hardness prescribed by ISO 15184 of the polycarbonate resin (b). (ii) The glass transition point Tg(a) of the polycarbonate resin (a) and the glass transition point Tg(b) of the polycarbonate resin (b) satisfy a relation of the equation 1. (iii) The pencil hardness prescribed by ISO 15184 of the polycarbonate resin composition is at least 2 rank higher than the pencil hardness prescribed by ISO 15184 of the polycarbonate resin (b).
    • 待解决的问题:提供表面硬度,耐热成型性等优异的聚碳酸酯树脂组合物。 解决方案:聚碳酸酯树脂组合物至少包含与聚碳酸酯树脂(a)的结构单元不同的聚碳酸酯树脂(a)和聚碳酸酯树脂(b),聚碳酸酯树脂组合物满足以下条件。 (i)由聚碳酸酯树脂(a)的ISO 15184规定的铅笔硬度高于聚碳酸酯树脂(b)的ISO 15184规定的铅笔硬度。 (ii)聚碳酸酯树脂(a)的玻璃化转变点Tg(a)和聚碳酸酯树脂(b)的玻璃化转变点Tg(b)满足式(1)的关系。(iii)由 聚碳酸酯树脂组合物的ISO 15184比聚碳酸酯树脂(b)的ISO 15184规定的铅笔硬度至少高2级。 版权所有(C)2012,JPO&INPIT
    • 9. 发明专利
    • Method of manufacturing particle-like polymer and device of manufacturing particle-like polymer
    • 制造颗粒状聚合物的方法和制造颗粒状聚合物的装置
    • JP2012148579A
    • 2012-08-09
    • JP2012115038
    • 2012-05-18
    • Mitsubishi Chemicals Corp三菱化学株式会社
    • KUMAZAWA KATSUHISATAURA TAKAYUKIYAMAMOTO MASANORI
    • B29B9/06B29K69/00
    • PROBLEM TO BE SOLVED: To provide a method of manufacturing a particle-like polymer such as a pellet having a uniform size or the like.SOLUTION: When a molten polymer is let to pass through a die head 11 having a plurality of holes and is made into strands followed by cutting the strands into the particle-like polymer, the molten polymer is supplied from the horizontal direction to the die head 11, and is extruded from the lower part of the die head 11 while the difference between the highest value and the lowest value of the temperature of the outlet of the die head 11 is controlled within a temperature of 5°C. The applicable molten polymer is for example a polycarbonate obtained by molten polycondensation by transesterification of an aromatic dihydroxy compound and a diester carbonate or the like.
    • 解决的问题:提供具有均匀尺寸等的颗粒状聚合物如颗粒的制造方法。 解决方案:当使熔融的聚合物通过具有多个孔的模头11并制成股线,然后将线切割成颗粒状聚合物时,熔融聚合物从水平方向被供应到 模头11,并且从模头11的下部挤出,同时模头11的出口的温度的最高值和最低值之间的差被控制在5℃的温度内。 适用的熔融聚合物是例如通过芳族二羟基化合物和二酯碳酸酯等的酯交换而熔融缩聚获得的聚碳酸酯。 版权所有(C)2012,JPO&INPIT
    • 10. 发明专利
    • Polycarbonate resin
    • 聚碳酸酯树脂
    • JP2011214015A
    • 2011-10-27
    • JP2011168646
    • 2011-08-01
    • Mitsubishi Chemicals Corp三菱化学株式会社
    • NAMIKI SHINGOFUJI MICHIAKIYAMAMOTO MASANORI
    • C08G64/30
    • PROBLEM TO BE SOLVED: To provide a method for efficiently and stably producing a polycarbonate resin having excellent light resistance, transparency, hue, heat resistance, thermal stability and mechanical strength and stable performances.SOLUTION: The method for producing a polycarbonate resin comprises carrying out polycondensation by transesterification using a catalyst and, as raw material monomers, a carbonic acid diester and a dihydroxy compound, in a multistage process in a plurality of reactors. The carbonic acid diester used is purified by distillation. The dihydroxy compound comprises a plurality of kinds of dihydroxy compounds, in which at least one compound includes a -CH-O- moiety as a part of the structure (however, a moiety as a part of -CH-O-H is excluded). At least one reactor gives a distillation amount of monohydroxy compounds as a byproduct of the transesterification reaction, amounting to 20% or more of the theoretical distillation amount, and has an internal volume of 20 L or more, including a heating means for heating the reactor by use of a heating medium, and a reflux cooler, wherein the temperature difference between the heating medium and a reaction liquid in the reactor is at least 5°C. When the difference between a molar percentage of the dihydroxy compound upon feeding the compound as a raw material to the reactor, and a molar percentage of dihydroxy compound structural units in the obtained polycarbonate resin is divided by the molar percentage of the dihydroxy compound upon feeding the compound as a raw material to the reactor, the obtained value in terms of an absolute value falls in a specified range.
    • 要解决的问题:提供一种高效稳定地制造具有优异的耐光性,透明性,色调,耐热性,热稳定性和机械强度以及稳定性能的聚碳酸酯树脂的方法。解决方案:聚碳酸酯树脂的制造方法包括进行 通过在多个反应器中的多级方法中使用催化剂和作为原料单体的碳酸二酯和二羟基化合物的酯交换进行缩聚。 使用的碳酸二酯通过蒸馏纯化。 二羟基化合物包含多种二羟基化合物,其中至少一种化合物包括-CH-O-部分作为结构的一部分(然而,作为-CH-O-H的一部分的部分被排除)。 至少一个反应器产生作为酯交换反应的副产物的单羟基化合物的蒸馏量,其为理论蒸馏量的20%或更多,并且具有20L或更大的内部容积,包括用于加热反应器的加热装置 通过使用加热介质和回流冷却器,其中加热介质和反应器中的反应液体之间的温度差为至少5℃。 当将作为原料的化合物与反应器一起供给的二羟基化合物的摩尔百分数与得到的聚碳酸酯树脂中的二羟基化合物结构单元的摩尔百分比除以二羟基化合物在进料时的摩尔百分数 化合物作为反应器的原料,所获得的绝对值的值落在指定范围内。