1、与R0加成 base CH≡CH+C2H5OH 2 C2H5OCH= ch 机捏: OH- ROH RO+H-C=c-H- Ro-Ch=c-H ROH ROCH=CH2 +rO- n rOCH=CH→>+ CH-CH2 to OR 聚乙烯醚,粘合剂1、与ROH加成 CH = CH + C2H5OH base C2H5OCH = CH2 机理： ROH RO- + H - C = C - H OH- RO - CH = C - H - ROH ROCH = CH2 + RO￾n ROCH = CH2 CH -CH2 OR ( )n 聚乙烯醚, 粘合剂