METHOD OF MODIFYING CALCIUM CARBONATE - SHIRAISHI KOGYO KAISHA LTD

Title:

METHOD OF MODIFYING CALCIUM CARBONATE

Document Type and Number:

Japanese Patent JPS5390199

Kind Code:

A

Abstract:

A method for improving calcium carbonate by causing calcium carbonate particles to undergo contact reaction with an acid gas capable of reacting with calcium carbonate for finely uniformizing the calcium carbonate particle size and, at the same time, coating the surface of the calcium carbonate particles with the calcium salt of the acid of the acid gas.

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Inventors:

SHIBAZAKI KOUJI
EDAKAWA SETSUJI
OKAMOTO YOSHINAGA

Application Number:

JP566377A

Publication Date:

August 08, 1978

Filing Date:

January 20, 1977

Export Citation:

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Assignee:

SHIRAISHI KOGYO KAISHA LTD
SHIRAISHI CHUO KENKIYUUSHIYO K

International Classes:

C08K9/00; C01F11/18; C08K3/26; C08K9/02; C08L7/00; C08L21/00; C09C1/00; C09C1/02; (IPC1-7): C01F11/18

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