Aromatic polycarbonate resin composition, and molded article comprising same

一种聚碳酸酯树脂、芳香族的技术，应用在仪器、光学、光学元件等方向，达到改善分散度、优异总光线透射率、耐热性优异的效果

Inactive Publication Date: 2014-04-30
MITSUBISHI GAS CHEM CO INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the viscosity-average molecular weight of the polycarbonate used in the flame-retardant polycarbonate resin composition disclosed in these patent documents is 100,000 or more, or the addition ratio of the flame retardant is 0.1 parts by weight or more, which has a negative impact on the resistance of the molded product. Problems with flammability and transparency

Method used

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  • Aromatic polycarbonate resin composition, and molded article comprising same
  • Aromatic polycarbonate resin composition, and molded article comprising same
  • Aromatic polycarbonate resin composition, and molded article comprising same

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Embodiment

[0222] Next, the present invention will be described more concretely by showing examples. However, the present invention is not limited to the following examples, and can be implemented with arbitrary modifications within a range not departing from the gist of the present invention. In addition, in the following description, unless otherwise specified, "parts" means "parts by mass" based on mass standards.

[0223] The measurement and evaluation methods and materials used in the following examples and comparative examples are as follows.

[0224] [measurement, evaluation method]

[0225]

[0226] Utilize the Ubbelohde capillary viscometer to measure the dichloromethane solution of 0.2 g / dl polycarbonate resin at a temperature of 20°C, and obtain the intrinsic viscosity [η] deciliter / g with the Herkins constant 0.45, by the following formula The viscosity average molecular weight (Mv) was calculated.

[0227] η=1.23×10 -4 ×Mv 0.83

[0228]

[0229] The granules obtain...

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Abstract

One aspect of the present invention relates to an aromatic polycarbonate resin composition which contains 100 parts by mass of (A) an aromatic polycarbonate resin, which contains (a1) an aromatic polycarbonate resin having a viscosity average molecular weight of 3*103 to 2.5*104 and (a2) an aromatic polycarbonate resin having a viscosity average molecular weight of 5*104 to 9*104 in such proportions that (a1):(a2)=99-50 mass %:1-5 mass % if the total quantity of the aromatic polycarbonate resins (a1) and (a2) is 100 mass %, 0.01 to 10 parts by mass of (B) microparticles selected from among the group comprising polyorganosilsesquioxane microparticles and (meth)acrylic resin microparticles, and 0.005 to 0.1 parts by mass of (C) a flame retardant comprising a metal salt of an organic sulfonic acid, and in which the quantity (Q) of molten resin flowing out from an orifice having a diameter of 1 mm and a length of 10 mm at a temperature of 280 DEG C and under a load of 1.57*107 Pa in an elevated type flow tester is not lower than 0.01 cm3 / sec and not higher than 0.1 cm3 / sec.

Description

[0001] Cross-references to related applications [0002] This application claims the priority of Japanese Patent Application No. 2011-191215 and Japanese Patent Application No. 2011-191216 filed on September 2, 2011, and all descriptions thereof are hereby incorporated by reference as publications. technical field [0003] The present invention relates to an aromatic polycarbonate resin composition and a molded article made of the same, in particular, to a method for improving flame retardancy without impairing the excellent mechanical properties of an aromatic polycarbonate resin, and An aromatic polycarbonate resin composition further improved in heat resistance, and an aromatic polycarbonate resin molded article obtained by molding the aromatic polycarbonate resin composition. Background technique [0004] Polycarbonate resins are widely used as thermoplastic resins excellent in impact resistance, heat resistance, flame retardancy, and transparency. Compared with inorgan...

Claims

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Application Information

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Patent Type & AuthorityApplications(China)
IPC IPC(8): C08L69/00C08J5/18C08K5/42C08L83/04G02B5/02
CPCG02B1/04C08L69/00C08K5/42C08L2205/02C08G77/045G02B5/0242C08L83/04C08K5/549
Inventor田岛纯西林丰长岛广光
OwnerMITSUBISHI GAS CHEM CO INC