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 a polyhydric alcohol compound (D) are bound via an ester bond formed by a carboxyl group of the block polymer (C) and a hydroxyl group of the polyhydric alcohol 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 and hydroxyl groups, and the polyhydric alcohol compound (D) comprising three or more hydroxyl groups.
本发明提供了:一种
抗静电剂,该
抗静电剂能够以少量提供优异的抗静电效果,并具有足够的持久性和耐擦拭性;一种
抗静电剂组合物;一种抗静电
树脂组合物;以及一种成型制品。
抗静电剂包括一种聚合物化合物(E),其结构是嵌段聚合物(C)和多元醇化合物(D)通过由嵌段聚合物(C)的羧基和多元醇化合物(D)的羟基形成的酯键结合在一起,嵌段聚合物(C)具有在两端包含羧基的结构、在该结构中,由两端具有羧基的聚酯(A)和由两端具有羟基的化合物(B)构成的嵌段通过羧基和羟基形成的酯键反复交替结合,多羟基化合物(D)包括三个或三个以上的羟基。