Method for covering nano calcium carbonate on heavy mass calcium carbonate surface
Title：
Method for covering nano calcium carbonate on heavy mass calcium carbonate surface
Application Number：
 01104494
Application Date：
 2001/02/27
Announcement Date：
 2002/10/02
Pub. Date：
Publication Number：
 1371947
Announcement Number：
 1208399
Grant Date：
 2005-6-29
Granted Pub. Date：
 2005-6-29
ApplicationType：
 Invention
State/Country：
 11[China|beijing]
IPC：
 C09C 3/06
Applicant(s)：
 Gai Guosheng
Inventor(s)：
 Gai Guosheng, Liu Liren, Fan Shimin
Key Words：
 cover, nano calcium carbonate, heavy mass calcium carbonate surface
Abstract：
 The method for preparing nano calcium carbonate-heavy calcium carbonate composition nano material combines advantages of physical method and chemical method, and is characterized by that on the surface of heavy calcium carbonate made up by physical method a layer of nano calcium carbonate granules is deposited by means of chemical method. Said invented composite nano material can be extensively used in the fields of paper-making industry, plastics, rubber and paint industries.
Claim：
Priority：
PCT：
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