松香腈生产工艺的研究

Study on The Productive Technology of Rosin Nitrile

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，

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 nitrile