Ciamexon

Rosin and gaseous ammonia occurred the reaction of ammoniation by the catalyst of para ammonium tungstate,and dehydrating action, which might produce the high quality rosin nitril

松香与气态氨在仲钨酸铵催化剂作用下发生氨化和脱水反应后， 可生产出性能优良的松香腈产