| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an unstretched film/sheet having excellent antistatic properties and transparency, a resin composition used for producing the unstretched film/sheet, and a polymer antistatic agent composed of a potassium ionomer contained in the composition. <P>SOLUTION: The polymer antistatic agent is composed of the potassium ionomer of a polymer or a polymer composition which contains (a) 30-60 wt.% of an ethylene unit, (b) 30-60 wt.% of a propylene unit, (c) 2-10 wt.% of a butene unit, (d) 0-10 wt.% of a (meth)acrylic ester unit and (e) 5-15 wt.% of a (meth)acrylic acid unit (wherein the total of the component units (a)-(e) is 100 wt.%), and potassium ion density of the potassium ionomer is within the range of 0.5-1.5 mmol/g. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
