Patent ID: 8993655
Filing Date: 2015-03-31
Classification: C08G,C08J,C08K,C08L

Abstract:
1. A master batch, comprising: a polyamide (X) comprising a diamine unit containing 70 mole % or more of a metaxylylenediamine unit and a dicarboxylic acid unit; and an alkali compound (A), wherein: an average particle diameter of the alkali compound (A) contained in the master batch is 50 μm or less; a contained number of particles having a particle diameter of exceeding 80 μm in 5 square millimeter of a cross section of the master batch is 1.5 particle or less; and a sum (m) of values obtained by multiplying a mole concentration of an alkali metal atom and a mole concentration of an alkaline earth metal atom each contained per g of the master batch by valencies thereof respectively is 60 μmol/g or more and 1710 μmol/g or less.