hydroxyethyl carboxymethyl cellulose(hecmc) was synthesized by using chloroethanol as etherifying agent instead of oxirane and chloroacetic acid without isolating intermediate.
探讨了用氯乙醇代替环氧乙烷和一氯醋酸作醚化剂,不用分离中间产物合成hecmc。
formaldehyde, polymer with oxirane and phenol, methyl ether;
甲醛与环氧乙烷、苯酚和甲基醚的聚合物;
to make safety assessment for oxirane production system of ethylene chemical plant in fushun with risk index assessment method of fire and explosion of dow's chemical company.