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Title:
ANTISTATIC RESIN COMPOSITION AND MOLDED ARTICLE
Document Type and Number:
Japanese Patent JP2013100511
Kind Code:
A
Abstract:

To provide an antistatic resin composition which has excellent antistatic properties, chemical resistance, molded article surface appearance and thermal stability, and which has a reduced leaching amount of ions, and to provide a molded article.

An antistatic resin composition comprises 7-91 mass% of component (A), 2-60 mass% of component (B), 2-50 mass% of component (C), and 5-50 mass% of component (D) (provided that the sum total of components (A) to (D) is 100 mass%); component (A): an olefinic resin (excluding component (B)), component (B): a block copolymer comprising an olefin polymer block and a hydrophilic polymer block, component (C): a block copolymer comprising an aromatic vinyl compound polymer block and a conjugated diene compound polymer block or its hydrogenation product, component (D): a styrenic resin. A molded article of the antistatic resin composition has a surface resistivity (measured under conditions of 23°C and 50% RH) of ≤1×1011 Ω/sq. and has a leaching amount of sodium and potassium ions (measured under conditions of 80°C and extraction for 60 min) of ≤3 μg/cm2.


Inventors:
MOTAI MASAAKI
NISHIYAMA NAOKI
Application Number:
JP2012276649A
Publication Date:
May 23, 2013
Filing Date:
December 19, 2012
Export Citation:
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Assignee:
TECHNO POLYMER CO LTD
International Classes:
C08L23/00; B32B27/30; B32B27/32; C08F279/04; C08F297/04; C08G81/02; C08K3/24; C08K5/41; C08L51/04; C08L53/02
Domestic Patent References:
JP2006008815A2006-01-12
JP2006008816A2006-01-12
JP2003306584A2003-10-31
JP2003048990A2003-02-21
JP2004276442A2004-10-07
JP5361136B22013-12-04
Attorney, Agent or Firm:
Masatake Ide