Title:
ポリカーボネート樹脂組成物の製造方法及び成形品の製造方法
Document Type and Number:
Japanese Patent JP7334593
Kind Code:
B2
Abstract:
To provide a polycarbonate resin composition which can stably and surely obtain a polycarbonate resin molding that is suitable as a molding material of a light guide member and is excellent in hue and heat resistance, and a molded article obtained by molding the polycarbonate resin composition.SOLUTION: A polycarbonate resin composition contains 0.001-1 pts.mass of aromatic alcohol (B) represented by the following general formula (1A) and 0.003-0.5 pts.mass of a phosphorus-based stabilizer (C) with respect to 100 pts.mass of a polycarbonate resin (A). An amount of sodium (Na) in the aromatic alcohol (B) is 200 ppm or less, and an amount of potassium (K) is 200 ppm or less. In the general formula (1A), X is an organic group that does not contain any element of nitrogen, sulfur and halogen; n represents an integer of 0-4; and when n is 2 or larger, n pieces of X may be the same or different.SELECTED DRAWING: None
Inventors:
Junya Hayakawa
Application Number:
JP2019213355A
Publication Date:
August 29, 2023
Filing Date:
November 26, 2019
Export Citation:
Assignee:
Mitsubishi Engineering-Plastics Corporation
International Classes:
C08L69/00; C08K5/05; C08K5/49; C08L63/00
Domestic Patent References:
| JP2001279085A | ||||
| JP6136113A | ||||
| JP2003268111A | ||||
| JP2018059081A |
Foreign References:
| WO2019198321A1 |
Attorney, Agent or Firm:
Takeshi Shigeno
Takayuki Shigeno
Takayuki Shigeno
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