Patent ID: 9309383
Filing Date: 2016-04-12
CPC Classification: B22F,C04B,C08K,C08L

Claim Text:
1. A composition for injection molding, comprising: an inorganic powder composed of at least one of a metal material and a ceramic material; and a binder containing a polyacetal-based resin, an unsaturated glycidyl group-containing polymer, and a lubricant, wherein the unsaturated glycidyl group-containing polymer is contained in an amount of 1% by mass or more and 30% by mass or less with respect to the polyacetal-based resin, and the composition has: a first layer that is composed mainly of the unsaturated glycidyl group-containing polymer and covers each particle of the inorganic powder, and a second layer that is composed mainly of the polyacetal-based resin and located outside the first layer.