| 摘要 |
PROBLEM TO BE SOLVED: To provide a coloring pigment masterbatch reduced in coloration loss more than that in the conventional, being capable of giving a patterned appearance of a low dispersion, and being capable of forming a composition giving a clearly pattern-colored molding when it is added in a small amount even to a molding material containing a filler injurious to coloration and to provide a method for producing the masterbatch. SOLUTION: The coloring pigment masterbatch is prepared by using (A) a resin composition containing a coloring pigment as a seed material, using (B) a resin that melts and flows at a temperature lower than that at which the seed material melts and flows as a sheath material, and enclosing the seed material in the sheath material. COPYRIGHT: (C)2003,JPO
|
