copolymerization

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

化学改性主要有氧化、交联、酯化接枝共聚。

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

讨论了氟单体用对转化率影响。

1-己烯投料对1-己烯插入影响较大。

The results confirmed that the metallocene adduct possessed higher activity in copolymerization than in homopolymerization.

The method of synthesizing vinylpolychloridevinyl acetate copolymerization resin using PVC residual liquid distillate was introduced.Basing on this, the adhensive used for plastic was prepared.

介绍了用PVC残液蒸馏物合成多氯乙烯醋酸乙烯酯多元共聚树脂方法用该共聚树脂制备塑料专用胶粘剂方法。

Phenic acid and alkyphenol polyethenoxy ether were selected for copolymerization in mass ratio 3∶1 and sulfomethylation also conducted.

选用苯酚、烷基酚聚氧乙烯醚按3∶1比进行共聚,同时进行磺亚甲基化。

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。

The second component can be added into aspartic acid by copolymerization to improve polarity and crystallization of primary polymer,and can make primary polymer without reactive group functionalize.

可以通过共聚引入第二组分,改善原聚合物极性结晶性,可以使原来主链无活性基团聚合物功能化,制备了PASP-PEG嵌段共聚物、梳状PASP-PEG嵌段共聚物、天冬氨酸与氨基乙酸、谷氨酸氨基丁酸共聚物等;

The progress in lignin chemical modification was reviewed as well,including sulfonation,oxidation,graft copolymerization,condensation reaction,Mannich reaction,alkylation,hydroxyalkylation,etc.

并综述了木素在磺化反应、氧化反应、接枝共聚反应、缩合反应、曼尼希反应、烷基化反应、羟烷基化反应等化学改性反应中研究进展。

Firstly, fluorinated acrylate copolymer was obtained by solution copolymerization in the presence of α-α＇-azobis-isobutyronitrile(AIBN) as initiator and 1,4-dioxane as solvent.

首先以1,4-二氧六环为溶剂，偶氮二异丁氰（AIBN）为引发剂，采用溶液聚合方法制备含氟丙烯酸酯类共聚物；

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

在绝热条件下通过活化阴离子共聚制备十二内酰胺改性浇铸尼龙,对其力学性能进行了研究。

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

用接枝共聚磺烷基化方法对落叶松单宁改性。