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- In addition polymerization, unsaturated or cyclic molecules add to each other without elimination of any portion of the monomer molecule. The empirical formula of the polymer is then, of course, the same as that of the monomer. 在加聚反应中,不饱和的或环状的分子之间彼此加成,没有消除任何分子,这样,聚合物的实验式就当然与单体的实验式相同。
- It is the reverse of the propagation step in addition polymerization. 这一过程是加聚反应历程中链增长步序的逆过程。
- Two types of polymerization are recognized: (1)condensation polymerization and (2) addition polymerization. 人们已知有两种聚合方式:(1)缩聚,(2)加聚。
- Depending upon reaction conditions, the product may be a polyketone formed b y addition polymerization of the ketene double bond. 随着反应条件的不同,产物可以是由烯酮的双键加成聚合得到的聚酮。
- By using real time FTIR, the additive polymerization process of hydrogen silicone with vinyl silicone rubber was monitored in-situ. 摘要用实时傅里叶变换红外光谱仪(FTIR)对乙烯基硅橡胶和含氢硅油的加成聚合过程进行了表征,得到了基团浓度消耗比随反应时间变化的曲线。
- Waterborne polyurethane (WPU) emulsions were synthesized by step-growth addition polymerization from a polyether polylol, toluene diisocyanate, dimethylolpropionic acid. 摘要以甲苯二异氰酸酯、聚醚二元醇、二经甲基丙酸为主要原料通过逐步加成聚合合成水性聚氨酯(WPU)乳液。
- In addition polymerization, the monomer need have only one functional group - the presence of two or more functional groups usually leads to the production of cross-linked addition polymers. 而在加聚反应中,每个单体只要有一个官能团即可,如果一个单体有两个或更多的官能团,通常将导致交联的加聚物的形成。
- It contains the requisite double bond for the addition polymerization which is involved in the cross-linking of the polyester resins and could be used as active diluent and cross-linking agent for UPR. 可利用不饱和聚酯、收缩剂和分散稳定剂适当的配合,组成低收缩型不饱和聚酯:这种组成物可长时间保存而没有低收缩剂漂浮而分层的现象。
- The printer can set this additional page in here. 这位印刷工把这额外的一页加在这里。
- The shop stuck an additional charge on the bill. 商店在帐单上增收了一笔费用。
- A polymer of two or more different monomers. 共聚物一种由两种或多种不同单体构成的聚合物
- He had to pay some additional charges. 他不得不付些附加费。
- An additional charge is made for heavy bags. 份量重的包裹要增收费用。
- Hydrogen transfer addition polymerization 氢转移加成聚合
- mechanism of addition polymerization 加成聚合机理
- stepwise addition polymerization 逐步加成聚合
- We needed additional money for our trip. 我们出去旅行需要更多的钱。
- Additional material is overprinted in red. 附加材料是用红色加印上的。
- A molecule that can combine with others to form a polymer. 单体可以与其他分子结合形成聚合物的分子
- An additional telephone connected to a main line. 电话分机一部连到主线上的增设电话