Patent ID: 7423088
Filing Date: 2008-09-09
Classification: C08K

Abstract:
1. A composition containing (1) a crystalline polypropylene resin and (2) one or more β-nucleating agents of the formula (I), wherein R C C C C C cyclohexylmethyl; cyclohexylmethyl substituted by 1, 2 or 3 C C C phenyl substituted by 1, 2 or 3 radicals selected from the group consisting of C C acylamino and phenylazo; C C naphthyl, naphthyl substituted by C adamantyl, or a 5 to 6 membered heterocyclic group; characterized in that the polypropylene resin has a content of β-form crystals of at least 10% calculated by means of the following equation where P