Title:
【発明の名称】沈殿炭酸カルシウムで被覆された顔料粒子とその製造方法
Document Type and Number:
Japanese Patent JP2000506205
Kind Code:
A
Abstract:
This invention relates to a pigment particle product and a method for its preparation. According to the invention pigment particles, such as kaolin, natural calcium carbonate or titanium dioxide, and precipitated calcium carbonate are mixed together in an aqueous phase at pH 6 - 11, which causes the pigment particles to become coated with particles of precipitated calcium carbonate. The brightness of the product is excellent, and it is quite inexpensive to produce.
Inventors:
Virtanen, Penty
Application Number:
JP53149397A
Publication Date:
May 23, 2000
Filing Date:
March 04, 1997
Export Citation:
Assignee:
FP-Pigment Osuke Yukichia
International Classes:
C01B33/26; C01F11/18; C09C1/00; C09C1/02; C09C1/36; C09C1/42; C01G23/04; C09C3/04; C09C3/06; D21H17/67; D21H17/69; D21H19/38; (IPC1-7): C09C3/06; C09C1/02; C09C1/36; C09C1/42; D21H17/67; D21H19/38
Attorney, Agent or Firm:
Takashi Koshiba