| 摘要 |
<p>A polymerizable phosphoric ester comprising at least one compound represented by the general formula (1), (1) (wherein R1 represents hydrogen or C¿1-4? alkyl; R?2¿ represents linear or branched C¿2-6? alkylene; and n is 1 or 2) wherein the volatile solvent content is 50 ppm or lower and the content of polymerizable organic acids represented by the general formula (2) (2) (wherein R?1¿ represents hydrogen or C¿1-4? alkyl) is 1 wt.% or lower; and a process for producing the polymerizable phosphoric ester, which comprises using the polymerizable phosphoric ester as a reaction solvent to react a polyphosphoric acid with a hydroxyalkyl a-substituted acrylate.</p> |
