| 摘要 |
PURPOSE:To obtain the titled composition and sheet resistant to discoloration at high temperature or in hot and humid atmosphere after contacting with printing ink and suitable as a container for lactic acid beverage, etc., by compounding specific amounts of a specific antioxidant, an antistatic agent, a neutralization agent and a nucleation agent. CONSTITUTION:Polypropylene is compounded with (A) 0.01-1wt% antioxidant comprising (A1) a phenolic antioxidant, (A2) a thioether antioxidant and (A3) a phosphite, phosphonite or phosphonic acid antioxidant, (B) 0.01-1wt% antistatic agent consisting of an alkylglyceride compound, (C) 0.01-1wt% neutralizing agent selected from calcium stearate and calcium carbonate and (D) a nucleation agent comprising (D1) 0.01-0.5wt% dibenzylidene sorbitol derivative of formula (R is 1-8C alkyl, etc.; m and n are 0-3) and/or (D2) 0.5-10,000wt. ppm of polyvinyl cycloalkane. |
