发明公开
EP1807475A2 ALUMINUM PHOSPHATE OR POLYPHOSPHATE PARTICLES FOR USE AS PIGMENTS IN PAINTS AND METHOD OF MAKING SAME
审中-公开
磷酸铝或ALUMINIUMPOLYPHOSPHATTEILCHEN用作油漆颜料及其制造方法
- 专利标题： ALUMINUM PHOSPHATE OR POLYPHOSPHATE PARTICLES FOR USE AS PIGMENTS IN PAINTS AND METHOD OF MAKING SAME
- 专利标题（中）： 磷酸铝或ALUMINIUMPOLYPHOSPHATTEILCHEN用作油漆颜料及其制造方法
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申请号： EP05797456.0申请日： 2005-08-30
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公开(公告)号： EP1807475A2公开(公告)日： 2007-07-18
- 发明人: DE BRITO, Joao , GALEMBECK, Fernando
- 申请人： Bunge Fertilizantes S.A. , Universidade Estadual de Campinas
- 申请人地址： Av. Maria Coelho Aguiar 215, Bloco "D"-5oandar-Jd San Luis CEP-05804-900 Sao Paulo, SP BR
- 专利权人： Bunge Fertilizantes S.A.,Universidade Estadual de Campinas
- 当前专利权人： Bunge Fertilizantes S.A.,Universidade Estadual de Campinas
- 当前专利权人地址： Av. Maria Coelho Aguiar 215, Bloco "D"-5oandar-Jd San Luis CEP-05804-900 Sao Paulo, SP BR
- 代理机构： Jones Day
- 优先权： BRPI0403713 20040830
- 国际公布： WO2006024959 20060309
- 主分类号： C09C1/40
- IPC分类号： C09C1/40
摘要：
An aluminum phosphate or polyphosphate-based pigment product is made by a process comprising contacting phosphoric acid with aluminum sulfate and an alkaline solution to produce an aluminum phosphate based product; and optionally calcining the aluminum phosphate based product at an elevated temperature, wherein the process is substantially free of an organic acid. The aluminum phosphate or polyphosphate-based pigment is amorphous. The amorphous aluminum phosphate or polyphosphate characterized by a bulk density of less than 2.30 grams per cubic centimeter and a phosphorus to aluminum mole ratio of greater than 0.8. The composition is useful in paints and as a substitute for titanium dioxide.
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