发明授权
- 专利标题： Process for the manufacture of neutral polyphosphoric acid esters by reacting phosphorus pentoxide and boric acid esters
- 专利标题（中）： 通过反应磷酸二氢铵和硼酸酯制备中性多磷酸酯的方法
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申请号： US3644596D申请日： 1969-04-14
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公开(公告)号： US3644596A公开(公告)日： 1972-02-22
- 发明人: KAMPE KLAUS-DIETER , FISCHER EDGAR
- 申请人： HOECHST AG
- 专利权人： Hoechst AG
- 当前专利权人： Hoechst AG
- 优先权： US84164569 1969-04-14
- 主分类号： C07F9/09
- IPC分类号： C07F9/09 ; C07F9/06 ; C07F5/04
摘要：
A PROCESS HAS BEEN PROVIDED FOR PRODUCING NEUTRAL POLYPHOSPHORIC ACID ESTER DERIVATIVES WHICH COMPRISES REACTING AN ACID ESTER WITH PHOSPHORUS PENTOXIDE AT A TEMPERATURE WITHIN THE RANGE OF-78*C. TO - 140*C. IN THE ABSENCE OF MOISTURE AND IN A MOLE RATIO OF ESTER TO PHOSPHORUS PENTOXIDE FROM 0.05 TO 9 MOLES ESTER TO 1 MOLE PHOSPHORUS PENTOXIDE, SAID ACID ESTER BEING DEFINED BY THE GENERAL FORMULA
(R'',MB-(OR)A
R"M
WHEREIN 1+M+N 3 IN WHICH FORMULA R REPRESENTS A SATURATED, UNSTARUATED, OXALKYLATED, OF HALOGENATED ALIPHATIC RADICAL OF 1 TO 12 CARBON ATOMS, OR AN AROMATIC RADICAL OF 1 TO 12 CARBON ATOMS. R! AND R" EACH REPRESENTS A HYDROGEN A SATURATED, UNSTAURATED, OXALKYLATED, OR HALOGENATED ALIPHATIC OR CYCLOALIPHATIC RADICAL OF 1 TO 12 CARBON ATOMS OR AN AROMATIC RADICAL OF 1 TO 12 CARBON ATOMS. THESE COMPOUNDS ARE USEFUL AS CATALYSTS FOR PRODUCTIN OF PLYACETALS.
(R'',MB-(OR)A
R"M
WHEREIN 1+M+N 3 IN WHICH FORMULA R REPRESENTS A SATURATED, UNSTARUATED, OXALKYLATED, OF HALOGENATED ALIPHATIC RADICAL OF 1 TO 12 CARBON ATOMS, OR AN AROMATIC RADICAL OF 1 TO 12 CARBON ATOMS. R! AND R" EACH REPRESENTS A HYDROGEN A SATURATED, UNSTAURATED, OXALKYLATED, OR HALOGENATED ALIPHATIC OR CYCLOALIPHATIC RADICAL OF 1 TO 12 CARBON ATOMS OR AN AROMATIC RADICAL OF 1 TO 12 CARBON ATOMS. THESE COMPOUNDS ARE USEFUL AS CATALYSTS FOR PRODUCTIN OF PLYACETALS.
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