Antistatic agent, antistatic agent composition, antistatic resin composition, and molded body
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United States of America Patent
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Oct 16, 2018
Grant Date -
Dec 10, 2015
app pub date -
Jan 22, 2014
filing date -
Jan 23, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
Provided are: an antistatic agent which is capable of imparting excellent antistatic effect in a small amount and has sufficient persistence and wiping resistance; an antistatic agent composition; an antistatic resin composition; and a molded article. The antistatic agent comprises a polymer compound (E) having a structure in which a block polymer (C) and an epoxy compound (D) are bound via an ester bond formed by a carboxyl group of the block polymer (C) and an epoxy group of the epoxy compound (D), the block polymer (C) having a structure comprising carboxyl groups at both ends, in which structure a block constituted by a polyester (A) having carboxyl groups at both ends and a block constituted by a compound (B) having hydroxyl groups at both ends are repeatedly and alternately bound via ester bonds formed by the carboxyl groups and the hydroxyl groups, and the epoxy compound (D) comprising two or more epoxy groups.
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