Silica powder and method for producing the same

Details Silica powder and method for producing the same Silica powder and method for producing the same

2005-02-15

2005-02-15

Yoon, Tae H. (Department: 1714)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

C523S216000, C523S440000, C428S403000, C430S018000, C430S031000

Reexamination Certificate

active

06855751

ABSTRACT:
A silica powder surface-treated with and epoxy compound having a plurality of epoxy groups, in which at least one epoxy group of the epoxy compound is ring-opened to bind to the surface of the silica powder and at least a portion of the remaining epoxy groups of the epoxy compound are bonded to amine compounds. The silica powder may be produced by the surface treatment of a silica powder with an epoxy compound and an amine compound successively or with both these compound simultaneously.

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