Chemical modification including oxygenation, esterify, graft copolymerization and so on.

化学改主要有氧化、交联、酯化和接枝共聚。

And it is proved that the trifluoro ethyl methacrylate takes part in the copolymerization reaction.

讨论了氟单体用量对转化率的。

Cast nylon modified with laurolactam was prepared by activated anionic copolymerization under the adiabatic condition.Its mechanical properties were studied.

绝热条件下通过活化阴离共聚制备十二内酰胺改浇铸尼龙,对其力学能进行了研究。

Self-preparation polymerizable macromolecular surfactant HTP and acrylate monomer were used to prepare the amphiphilic polymer by soap-free microemulsion pentamer copolymerization.

以自制可聚合大面活剂HTP与丙烯酸酯类单体进行无皂微乳液五元共聚,制备可热固化双亲聚合物。

Two series of thermotropic liquid crystalline polyureas were synthesized by the copolymerization of benzidine (or o-tolidine),1,6-hexane diamine and 2,4-toluene diisocyanate.

为合成新型热致液晶聚脲，以含液晶基元的联苯二胺（或联邻甲苯胺）、1，6-己二胺、2，4-甲苯二异氰酸酯为原料进行合成。

Modified larch tannin was prepared by grafting copolymerization and sulfoalkylation, and successfully used as retanning agent, possessing good water solubility and enhanced penetration rate.

利用接枝共聚和磺烷基化的方法对落叶松单宁改。