Patent ID: 8765861
Filing Date: 2014-07-01
Classification: B29B,B29C,C08J,C08K,Y10T

Abstract:
1. A masterbatch pellet obtained by melt-kneading a raw material component comprising a thermoplastic resin (A) and a metal oxide (B), wherein the metal oxide (B) is one or more selected from the group consisting of iron oxide, zinc oxide, cobalt oxide, nickel oxide, manganese oxide, chromium oxide, and tin oxide, a content of the metal oxide (B) is 0.5% by mass or more; and a fraction of the metal oxide (B) after the melt-kneading is present as an aggregated particle of 5μm or more in a major axis length, and the number of aggregated particles of metal oxide (B) that are 5-μm or more in major axis length, in a cross section of the masterbatch pellet, after melt-kneading, is 1 to 30/mm