Platy precipitated calcium carbonate synthesis method

Details Platy precipitated calcium carbonate synthesis method Platy precipitated calcium carbonate synthesis method

2006-10-31

2006-10-31

Langel, Wayne (Department: 1754)

Chemistry of inorganic compounds

Carbon or compound thereof

Oxygen containing

C423S160000, C423S161000, C423S165000, C423S430000, C106S464000, C524S788000

Reexamination Certificate

active

07128887

ABSTRACT:
A process for the preparation of platy PCC comprising the steps of providing a suspension of calcium hydroxide, carbonating the suspension of calcium hydroxide, adding a condensed phosphate to the suspension prior to the completion of carbonation to precipitate platy calcium carbonate. A paper that is filled is also provided and a paper that is coated and a polymer that is filled are envisioned that use the platy PCC according to the present invention.

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