FLAME-RETARDANT POLYCARBONATE RESIN COMPOSITION AND MOLDED ARTICLE

Title:

FLAME-RETARDANT POLYCARBONATE RESIN COMPOSITION AND MOLDED ARTICLE

Document Type and Number:

WIPO Patent Application WO/2001/072899

Kind Code:

A1

Abstract:

A flame-retardant polycarbonate resin composition which comprises: 100 parts by weight of a resin consisting of (A) 60 to 99 wt.% polycarbonate resin and (B) 40 to 1 wt.% polycarbonate copolymer containing phosphorous atoms in the main chain; and 0.02 to 5 parts by weight of (C) a dripping inhibitor. An example of the polycarbonate copolymer (B) is one made up of repeating structural units which comprise units derived from an aromatic organic phosphoric ester. The flame-retardant polycarbonate resin composition, which is halogen-free, retains the impact resistance, heat resistance, and rigidity inherent in polycarbonate resins, does not adhere to molds, and has excellent flowability. From the composition, a molded article of high quality, including good appearance, can be stably produced for long.

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Inventors:

ISOZAKI TOSHIO (JP)

Application Number:

PCT/JP2001/001639

Publication Date:

October 04, 2001

Filing Date:

March 02, 2001

Export Citation:

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Assignee:

IDEMITSU PETROCHEMICAL CO (JP)
ISOZAKI TOSHIO (JP)

International Classes:

C08G64/08; C08G79/02; C08K3/00; C08J5/00; C08K3/013; C08K3/016; C08K7/04; C08L25/04; C08L51/04; C08L69/00; C08L101/12; (IPC1-7): C08L69/00; C08G64/08; C08J5/00

Foreign References:

US5312890A	1994-05-17
US4093582A	1978-06-06

Other References: