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专利名称：ALUMINUM PHOSPHATES, COMPOSITIONS
COMPRISING ALUMINUM PHOSPHATE,AND METHODS FOR MAKING THE SAME
发明人：Raymond E. Foscante,Neil Maynard
Johnson,Yucel Burdurlu Tavolara,DouglasMalcolm Harless,Melanie Astrid Micha-Schama
申请号：US13448271申请日：20120416
公开号：US20130274400A1公开日：20131017
摘要：APs are made by binary condensation via base-to-acid or acid-to-base routes. Inthe base-to-acid route, an aluminum hydroxide slurry is added to phosphoric acid thatreacts to produce an aluminum phosphate condensate. In the acid-to-base route,phosphoric acid is added to an aluminum hydroxide slurry that reacts to produce analuminum phosphate condensate. In an alternative base-to-acid route, an acidic aluminumphosphate is first made by adding phosphoric acid to a first amount of aluminumhydroxide slurry, and such acidic aluminum phosphate is added to a remaining amount ofaluminum hydroxide slurry to react and produce an aluminum phosphate condensate.The reactions can be controlled to form an in-situ layered aluminum phosphate. So-formed APs can be amorphous, crystalline, or a combination thereof, and have low oilabsorption and surface area, making them particularly useful in such end-use applicationsas extender pigments in coating compositions, replacing up to 70 wt % of TiO.
申请人：Raymond E. Foscante,Neil Maynard Johnson,Yucel Burdurlu Tavolara,DouglasMalcolm Harless,Melanie Astrid Micha-Schama
地址：Yorba Linda CA US,Richmond Heights OH US,Strongsville OH US,Belle Mead NJUS,Seven Hills OH US
国籍：US,US,US,US,US
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