Method for producing N-vinyl pyrrolidone from lactone-free pyrrolidone
摘要
<p>A process for preparing N-vinylpyrrolidone by reacting 2-pyrrolidone with acetylene, wherein the 2-pyrrolidone used as a starting material (referred to hereinafter as starting 2-pyrrolidone) comprises less than 1 part by weight of γ-butyrolactone per 100 parts by weight of 2-pyrrolidone.</p>
申请公布号
EP2229357(B1)
申请公布日期
2013.06.05
申请号
EP20080856062
申请日期
2008.11.26
申请人
BASF SE
发明人
STAFFEL, WOLFGANG;KAESHAMMER, STEFAN;KESSINGER, ROLAND;VOGELSANG, REGINA;PAUL, AXEL;TUTTELBERG, LEMBIT