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  • 专利标题:   Preparing large-diameter sheet-shaped calcium carbonate comprises e.g. adding fibrous calcium carbonate into water and adding composite grinding aid, dispersant and graphene into water, dispersing and grinding the slurry.
  • 专利号:   CN107244686-A
  • 发明人:   ZHU Z
  • 专利权人:   CHANGXING EARTH NEW TYPE MATERIAL CO LTD
  • 国际专利分类:   C01F011/18
  • 专利详细信息:   CN107244686-A 13 Oct 2017 C01F-011/18 201776 Pages: 5 Chinese
  • 申请详细信息:   CN107244686-A CN10475781 21 Jun 2017
  • 优先权号:   CN10475781

▎ 摘　　要

NOVELTY - Preparing large-diameter sheet-shaped calcium carbonate comprises (i) adding fibrous calcium carbonate into water, (ii) adding composite grinding aid, dispersant and graphene into water and uniformly dispersing to obtain slurry and (iii) grinding the slurry to obtain final product. USE - The method is useful for preparing large-diameter sheet-shaped calcium carbonate (claimed).