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    • 1. 发明申请
    • METHOD OF PRODUCING ALKOXYSILANES AND PRECIPITATED SILICAS FROM BIOGENIC SILICAS
    • 从生物硅中生产烷基氧化物和降解硅的方法
    • US20130184483A1
    • 2013-07-18
    • US13737103
    • 2013-01-09
    • Mayaterials, Inc.
    • Richard M. LAINEJulien C. MARCHALVera POPOVADavid J. KRUG
    • C07F7/07
    • C07F7/07
    • A method of producing alkoxysilanes and precipitated silicas from biogenic silicas is provided. In a first step, biogenically concentrated silica is mixed with a liquid polyol to obtain a mixture, and then the mixture is heated. In a second step, a base is added to obtain a reaction mixture. In a third step, the reaction mixture is filtered to remove the carbon enriched RHA or other undissolved biogenic silica and recover the solution of alkoxysilane and alcoholate. In a fourth step, alkoxysilane is purified by filtering, distilling, precipitating or extracting from the original reaction solution to precipitate various forms of silica. In a final step, residual base present in alkoxysilane is neutralized to eliminate the residual alkali metal base.
    • 提供了从生物二氧化硅生产烷氧基硅烷和沉淀二氧化硅的方法。 在第一步中,将生物浓缩的二氧化硅与液体多元醇混合以获得混合物,然后将混合物加热。 在第二步中,加入碱以得到反应混合物。 在第三步中,过滤反应混合物以除去富含碳的RHA或其它未溶解的生物二氧化硅,并回收烷氧基硅烷和醇化物的溶液。 在第四步骤中,通过过滤,蒸馏,沉淀或从原始反应溶液中提取烷氧基硅烷以沉淀各种形式的二氧化硅,从而纯化烷氧基硅烷。 在最后一步中,中和烷氧基硅烷中存在的残留碱以除去残留的碱金属碱。
    • 8. 发明授权
    • Method of producing alkoxysilanes and precipitated silicas from biogenic silicas
    • 从生物二氧化硅生产烷氧基硅烷和沉淀二氧化硅的方法
    • US08916122B2
    • 2014-12-23
    • US13737103
    • 2013-01-09
    • Mayaterials, Inc.
    • Richard M. LaineJulien C. MarchalVera PopovaDavid J. Krug
    • C01B33/039
    • C07F7/07
    • A method of producing alkoxysilanes and precipitated silicas from biogenic silicas is provided. In a first step, biogenically concentrated silica is mixed with a liquid polyol to obtain a mixture, and then the mixture is heated. In a second step, a base is added to obtain a reaction mixture. In a third step, the reaction mixture is filtered to remove the carbon enriched RHA or other undissolved biogenic silica and recover the solution of alkoxysilane and alcoholate. In a fourth step, alkoxysilane is purified by filtering, distilling, precipitating or extracting from the original reaction solution to precipitate various forms of silica. In a final step, residual base present in alkoxysilane is neutralized to eliminate the residual alkali metal base.
    • 提供了从生物二氧化硅生产烷氧基硅烷和沉淀二氧化硅的方法。 在第一步中,将生物浓缩的二氧化硅与液体多元醇混合以获得混合物,然后将混合物加热。 在第二步中,加入碱以得到反应混合物。 在第三步中,过滤反应混合物以除去富含碳的RHA或其它未溶解的生物二氧化硅,并回收烷氧基硅烷和醇化物的溶液。 在第四步骤中,通过过滤,蒸馏,沉淀或从原始反应溶液中提取烷氧基硅烷以沉淀各种形式的二氧化硅,从而纯化烷氧基硅烷。 在最后一步中,中和烷氧基硅烷中存在的残留碱以除去残留的碱金属碱。