Synthetic fraipontite and process for preparation thereof

Details Synthetic fraipontite and process for preparation thereof Synthetic fraipontite and process for preparation thereof

C - Chemistry, Metallurgy

09

C

42/16, 23/185

C09C 1/04 (2006.01) B41M 5/155 (2006.01) C01B 33/20 (2006.01) C01B 33/24 (2006.01) C01B 33/26 (2006.01)

Patent

CA 1224623

Abstract of the Disclosure : An oxide or hydroxide mixture or coprecipitate having a three-component oxide composition comprising 5 to 45 mole% of SiO2, 35 to 65 mole% of ZnO and 0 to 60 mole% of A?2O3 is heated in the presence of water to form a crystal of the fraipontite type. The obtained synthetic mineral has a fraipontite type crystal structure and has a high whiteness and a large specific surface area. For example, this synthetic mineral is valuable as a color developer for a leuco dye.

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