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    • 1. 发明专利
    • Process for production of polycarbonate and molded article of polycarbonate
    • 聚碳酸酯的制造方法和聚碳酸酯的成型品
    • JP2011132539A
    • 2011-07-07
    • JP2011060073
    • 2011-03-18
    • Mitsubishi Chemicals Corp三菱化学株式会社
    • FUJI MICHIAKIAKEDA MINAKOTANAKA TOMOHIKO
    • C08G64/30C08G64/02G02B1/04
    • G11B7/2534C08G64/0208C08G64/1608C08G64/305C08J5/18C08J2369/00G02B1/041C08L69/00
    • PROBLEM TO BE SOLVED: To provide a process for producing a polycarbonate containing a plant-derived starting material and a molded article thereof, the polycarbonate having excellent mechanical strength, heat resistance, a low refractive index, a large Abbe number, low birefringence, and excellent transparency. SOLUTION: The process for producing such a polycarbonate includes a step in which one or more dihydroxy compounds including at least a dihydroxy compound having at least one linking group -CH 2 -O- in the molecule thereof are reacted with a carbonic acid diester in the presence of a polymerization catalyst, wherein the dihydroxy compound having at least one linking group -CH 2 -O- in the molecule thereof has a formic acid content of 2 -O- in the molecule thereof and has an Abbe number of ≥50 and a 5% weight loss temperature of ≥340°C. COPYRIGHT: (C)2011,JPO&INPIT
    • 待解决的问题:为了提供一种制备含有植物来源的原料的聚碳酸酯及其模塑制品的方法,该聚碳酸酯具有优异的机械强度,耐热性,低折射率,大的阿贝数,低 双折射和优异的透明度。 解决方案:制备这种聚碳酸酯的方法包括其中一种或多种二羟基化合物至少包含分子中具有至少一个连接基团-CH 2 -O-的二羟基化合物 在聚合催化剂的存在下与碳酸二酯反应,其中分子中具有至少一个连接基团-CH 2 SB-的-S-二羟基化合物的甲酸含量< 20 ppm。 模塑制品由聚碳酸酯或聚碳酸酯的组合物构成,聚碳酸酯是聚碳酸酯,其含有源自具有至少一个连接基团-CH 2 SB 2的二羟基化合物的构成单元 分子,阿贝数≥50,重量损失温度≥340℃。 版权所有(C)2011,JPO&INPIT
    • 2. 发明专利
    • Molded article with low photoelasticity
    • 具有低光泽度的模制品
    • JP2011127037A
    • 2011-06-30
    • JP2009288107
    • 2009-12-18
    • Mitsubishi Chemicals Corp三菱化学株式会社
    • FUJI MICHIAKIYOKOKI MASASHITANAKA KAZUYATANIGUCHI KOICHIRO
    • C08L69/00C08J5/00
    • PROBLEM TO BE SOLVED: To provide a molded article with a low photoelastic modulus that is excellent in transparency, thermal resistance and impact resistance.
      SOLUTION: The molded article includes a resin composition containing as the main component a mixture (X) of an aliphatic polycarbonate resin (A) having a structural unit (a) derived from a dihydroxy compound with a moiety represented by general formula (1) and a structural unit (b) derived from cyclohexane dimethanol and an aromatic polycarbonate resin (B), and has a photoelastic modulus of 7×10
      -11 Pa
      -1 or lower at a light wavelength of 600 nm. The mixture (X) has a single glass transition temperature, which is as high as or higher than the glass transition temperature of the aliphatic polycarbonate resin (A) and as low as or lower than the glass transition temperature of the aromatic polycarbonate resin (B), (provided that the case where the moiety represented by general formula (1) constitutes a part of -CH
      2 -O-H is excluded).
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供透明性,耐热性和耐冲击性优异的低光弹性模量的成型体。 &lt; P&gt;解决方案:模制品包括含有具有来自二羟基化合物的结构单元(a)的脂肪族聚碳酸酯树脂(A)的混合物(X)作为主要成分的树脂组合物,其具有由通式 1)和由环己烷二甲醇和芳香族聚碳酸酯树脂(B)衍生的结构单元(b),光弹性模量为7×10 SP-1 SP / 或者在600nm的光波长处更低。 混合物(X)具有单一玻璃化转变温度,其高于或高于脂族聚碳酸酯树脂(A)的玻璃化转变温度,并且低于或低于芳族聚碳酸酯树脂(B)的玻璃化转变温度 )(除了由通式(1)表示的部分构成-CH 2 S 2 -OH的一部分的情况除外)。 版权所有(C)2011,JPO&INPIT
    • 3. 发明专利
    • Polycarbonate resin
    • 聚碳酸酯树脂
    • JP2011111613A
    • 2011-06-09
    • JP2009272414
    • 2009-11-30
    • Mitsubishi Chemicals Corp三菱化学株式会社
    • NAMIKI SHINGOFUJI MICHIAKIYAMAMOTO MASANORI
    • C08G64/00B29C45/00B29K69/00C08J5/00
    • PROBLEM TO BE SOLVED: To provide a polycarbonate resin excellent in light resistance, transparency, hue, heat resistance, thermal stability, and mechanical strengths. SOLUTION: The polycarbonate resin containing at least a structural unit originated from a dihydroxy compound having a site represented by formula (1) in one part of the structure is characterized in that the yellow index (YI) value based on ASTM D1925-70 and measured with transmitted light is ≤12, after a molded article (thickness: 3 mm) molded from the polycarbonate resin is irradiated with a metal halide lamp with an irradiation illumination of 1.5 kW/m 2 in a wavelength of 300 to 400 nm for 100 hrs in an environment having a relative humidity of 50% at 63°C. [Here, the case wherein the site represented by formula (1) is a part of -CH 2 -O-H is excluded]. COPYRIGHT: (C)2011,JPO&INPIT
    • 解决的问题:提供耐光性,透明性,色调,耐热性,热稳定性和机械强度优异的聚碳酸酯树脂。 解决方案:一部分结构中至少含有具有式(1)表示的位点的二羟基化合物的结构单元的聚碳酸酯树脂的特征在于,基于ASTM D1925-的黄色指数(YI) 70,透射光测定为≤12,在用聚碳酸酯树脂成型的成型品(厚度:3mm)用金属卤化物灯照射1.5kW / m 2的照射照射下,在 在63℃的相对湿度为50%的环境中,波长为300〜400nm,持续100小时。 [这里,排除由式(1)表示的位置是-CH 2的部分-O-H的情况]。 版权所有(C)2011,JPO&INPIT
    • 7. 发明专利
    • ポリカーボネート樹脂
    • 聚碳酸酯树脂
    • JP2015014013A
    • 2015-01-22
    • JP2014213781
    • 2014-10-20
    • 三菱化学株式会社Mitsubishi Chemicals Corp
    • NAMIKI SHINGOFUJI MICHIAKIYAMAMOTO MASANORI
    • C08G64/00
    • 【課題】耐光性、透明性、色相、耐熱性、熱安定性、及び機械的強度に優れたポリカーボネート樹脂を提供することにある。【解決手段】構造の一部に下記一般式(1)で表される部位を有するジヒドロキシ化合物を含むジヒドロキシ化合物と、下記一般式(2)で表される炭酸ジエステルとを、触媒の存在下、重縮合により得られるポリカーボネート樹脂であって、該触媒がリチウム及び長周期型周期表における2族からなる群より選ばれた少なくとも1種の金属を含む化合物であり、該金属を含む化合物量が金属量として該ジヒドロキシ化合物1mol当たり、20μmol以下であり、かつ、芳香族モノヒドロキシ化合物を700重量ppm以下含有することを特徴とするポリカーボネート樹脂。(但し、上記一般式(1)で表される部位が−CH2−O−Hである場合を除く。)【選択図】なし
    • 要解决的问题:提供具有优异的耐光性,透明性,色调,耐热性,热稳定性和机械强度的聚碳酸酯树脂。溶液:聚碳酸酯树脂通过包含二羟基化合物的二羟基化合物的缩聚获得, 部分结构,由以下通式(1)表示的位点和由以下通式(2)表示的碳酸二酯在催化剂存在下进行。 该催化剂是包含长周期表中选自锂和第2族中的至少一种金属的化合物。 包含金属的化合物的量相对于每1摩尔二羟基化合物为金属量的20μmol以下,进一步含有700重量ppm以下的芳香族单羟基化合物。 (但是,在通式(1)中,除去该部分为-CH-O-H的情况)
    • 9. 发明专利
    • Polycarbonate resin
    • 聚碳酸酯树脂
    • JP2011111614A
    • 2011-06-09
    • JP2009272415
    • 2009-11-30
    • Mitsubishi Chemicals Corp三菱化学株式会社
    • NAMIKI SHINGOFUJI MICHIAKIYAMAMOTO MASANORI
    • C08G64/30B29C45/00B29K69/00C08J5/00
    • PROBLEM TO BE SOLVED: To provide a polycarbonate resin excellent in light resistance, transparency, hue, heat resistance, thermal stability, and mechanical strengths. SOLUTION: The polycarbonate resin obtained by the polycondensation of a dihydroxy compound containing a dihydroxy compound having a structure of formula (1) [the case wherein the site represented by formula (1) is -CH 2 -O-H is excluded] with a carbonic diester of formula (2) (A 1 and A 2 are each independently a substituted or non-substituted 1 to 18C aliphatic group or a substituted or nonsubstituted aromatic group) in the presence of a catalyst is characterized in that the catalyst is a compound containing at least one metal selected from the group consisting of lithium and the group 2 in the long period type periodic table; the amount of the metal-containing compound is ≤20 μmol as the metal per mole of the dihydroxy compound; and an aromatic monohydroxy compound is contained in an amount of ≤700 wt.ppm. COPYRIGHT: (C)2011,JPO&INPIT
    • 解决的问题:提供耐光性,透明性,色调,耐热性,热稳定性和机械强度优异的聚碳酸酯树脂。 解决方案:通过含有具有式(1)结构的二羟基化合物的二羟基化合物缩合获得的聚碳酸酯树脂[由式(1)表示的位置为-CH 2 1 和A 2 各自独立地是取代或未取代的1至18C脂族基团或 取代或非取代的芳基)在催化剂存在下的特征在于,所述催化剂是含有选自锂和在长周期型周期表中的基团2中的至少一种金属的化合物; 含金属化合物的量相对于每摩尔二羟基化合物为金属元素≤20μmol; 芳族单羟基化合物的含量为≤700重量ppm。 版权所有(C)2011,JPO&INPIT
    • 10. 发明专利
    • Polycarbonate copolymer and method for producing the same
    • 聚碳酸酯共聚物及其制造方法
    • JP2008024919A
    • 2008-02-07
    • JP2007156525
    • 2007-06-13
    • Mitsubishi Chemicals Corp三菱化学株式会社
    • FUJI MICHIAKITANAKA TOMOHIKOAKEDA MINAKO
    • C08G64/00
    • PROBLEM TO BE SOLVED: To provide a polycarbonate copolymer which has an excellent mechanical strength, heat resistance, a small refractive index, a large Abbe's number, a small birefringence, and excellent transparency, and contains a raw material originated from plants. SOLUTION: This polycarbonate copolymer comprising constituent units originated from a dihydroxy compound represented by the general formula (1) and constituent units originated from an alicyclic dihyroxy compound is characterized in that Abbe's number is ≥50, and 5% thermal reduction temperature is ≥340°C. A method for producing the polycarbonate copolymer. COPYRIGHT: (C)2008,JPO&INPIT
    • 解决问题:提供具有优异的机械强度,耐热性,小折射率,大的阿贝数,小的双折射和优异的透明性的聚碳酸酯共聚物,并且含有源自植物的原料。 该聚碳酸酯共聚物包含由通式(1)表示的二羟基化合物构成的构成单元和由脂环族二羟基化合物构成的构成单元,其特征在于阿贝值≥50,热还原温度为5% ≥340℃。 聚碳酸酯共聚物的制造方法。 版权所有(C)2008,JPO&INPIT