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专利名称:Pigment particles comprising particles of
precipitated calcium carbonate and aprocess for the preparation thereof
发明人:Virtanen, Pentti申请号:EP03009146.6申请日:19970304公开号:EP1340795A1公开日:20030903
摘要:This invention relates to a pigment particle product and a method for itspreparation. According to the invention pigment particles, such as kaolin, natural calciumcarbonate or titanium dioxide, and precipitated calcium carbonate are mixed together inan aqueous phase at pH 6 - 11, which causes the pigment particles to become coated withparticles of precipitated calcium carbonate. The brightness of the product is excellent,and it is quite inexpensive to produce.
申请人:FP-Pigments Oy
地址:Ahventie 4 A 21-22 02170 Espoo FI
国籍:FI
代理机构:Sundman, Christoffer
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