Patent ID: 6770355
Filing Date: 2004-08-03
Classification: B29D,B29K,B32B,C08F,C08J,Y10T

Abstract:
A polypropylene film, comprising:a propylene homopolymer (A-1) having (1) a meso pentad fraction [mmmm] of from 70 to 78 mol %; and (2) a racemic pentad fraction [rrr] satisfying the following formula: [rrr]/(1âˆ’[mmmm])<0.1; wherein said polypropylene film satisfies the following formula:TM&gE;12.5Ã—HSTâˆ’800, and wherein HST&lE;130,wherein TM is a tensile modulus in &Parenopenst;MPa&Parenclosest; and HST is a heat seal temperature in &Parenopenst;Â° C.&Parenclosest;.