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Title:
THERMOPLASTIC RESIN COMPOSITION AND MOLDED ITEM FORMED FROM SAME
Document Type and Number:
WIPO Patent Application WO/2012/043219
Kind Code:
A1
Abstract:
Provided are thermoplastic resin composition obtained by combining 100 parts by weight of a thermoplastic resin (A) containing polylactide resin, with 1-100 parts by weight of a flame retardant (B) containing: a flame retardant (B-1) which is obtained by selecting melamine phosphate and/or melamine pyrophosphate and/or melamine polyphosphate; and a flame retardant (B-2) which is obtained by selecting piperazine phosphate and/or piperazine pyrophosphate and/or piperazine polyphosphate. Observed under a transmission electronic microscope, the major axis of the largest particle of the flame retardant (B) in the composition is 10μm or less, and the ratio of the quantity of articles of the flame retardant (B) with major axes of 3μm or less relative to the quantity of articles per 1,000 μm2 is 70% or more, in the thermoplastic resin composition. The thermoplastic resin composition forms a molded item. The thermoplastic resin composition and the molded item formed from the thermoplastic resin provide superior mold processability, impact resistance, and heat resistance, in addition to particularly strong fire resistance.

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Inventors:
SATO DAISUKE
ONOUE YOSUKE
KUMAZAWA SADANORI
Application Number:
PCT/JP2011/070861
Publication Date:
April 05, 2012
Filing Date:
September 13, 2011
Export Citation:
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Assignee:
TORAY INDUSTRIES (JP)
SATO DAISUKE
ONOUE YOSUKE
KUMAZAWA SADANORI
International Classes:
C08L67/04; C08K3/20; C08K5/3462; C08K5/3477; C08L27/12; C08L69/00; C08L101/16
Domestic Patent References:
WO2005080494A12005-09-01
Foreign References:
JP2009242803A2009-10-22
JP2009120717A2009-06-04
JP2009249532A2009-10-29
JP2008074879A2008-04-03
JP2001503075A2001-03-06
JP2009242803A2009-10-22
JP2009120717A2009-06-04
JP2009249532A2009-10-29
JP2000226523A2000-08-15
Other References:
"Chemical handbook", 1966, MARUZEN PUBLISHING CO., LTD.
See also references of EP 2524945A4
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