Production of ammonium acrylate

摘要

PCT No. PCT/GB96/03081 Sec. 371 Date Apr. 27, 1998 Sec. 102(e) Date Apr. 27, 1998 PCT Filed Dec. 12, 1996 PCT Pub. No. WO97/21827 PCT Pub. Date Jun. 19, 1997A solution having a high concentration of ammonium (meth)acrylate and which is substantially free of (meth)acrylonitrile is made by enzymatic hydrolysis of (meth)acrylonitrile in the presence of water using an enzyme which has Km for (meth)acrylonitrile below 500 mu m and Ki for ammonium (meth)acrylate above 100,000.