医药中间体种类:氰酸钠、氰酸钾、热处置基盐、盐酸异丙嗪主环、盐酸异丙嗪侧链。
Pharmaceutical Intermediates species: Sodium Cyanate, Potassium Cyanate, Subsalt of Heat Treatment, the Main Ring of Promethazine Hydrochloride, Promethazine Hydrochloride Side Chain.
本文合成了侧链上带有酰胺基、羧基、酯基和羟基的水溶性聚丙烯酸树脂。
A water soluble acrylic coatings with amide, carboxyl, ester and hydroxyl group on side-chain have been synthesized.
许多文献报道证实,庞大的侧基或具有形成氢键能力的基团有利于聚合物主链形成稳定的螺旋构象,从而赋予材料高度的旋光活性和某些特殊功能。
In general, bulky side-chain and hydrogen bonding are in favor of the formation of stable helical conformation for polymers, which endows them with high optical property and some special performance.
依据液晶分子结构理论,选择联苯基作为介晶基元,六亚甲基为柔性间隔基,合成了一种丙烯酸酯侧链型液晶高分子。
Based on the liquid crystalline polymer theory, a kind of polyacrylate was synthesized by choosing biphenyl group as rigid nucleus of mesogenic unit and hexylidene as flexible spacing group.
通过对该合聚物的IR和NMR谱图分析,得知该聚合物含有酯基和酮基的结构单元,以及环缩醛的侧链。
The IR and NMR spectra of the polymers indicated that the polymer structure contained ester and ketone units in the backbone, and a cyclic acetals as side chain.
合成了三种新型的主链为聚4-乙烯基吡啶的侧链型紫精聚合物和相应的小分子紫精,研究了它们的电还原及光还原行为。
Three new types of side chain polyviologen, using poly 4-vinyl pyridine as main chain, were synthesized and their electroredox and photoreduction behaviors were investigated.
在已经合成的螺旋聚合物中,具有主链共轭双键和功能侧基的取代乙炔类聚合物更是引起了广泛兴趣。
Among the synthetic helical polymers, polyacetylene derivatives with conjugated main chains and functional pendent groups, have gathered much more attention.
对于侧基的异常透气性影响,提出了气体分子透过高分子链节新的机理假设。
Considering this discrepancy in the effects of side groups on gas permeation, a hypothesis is proposed for the mechanism of gas molecule's transport in polymer linkage.
将柠檬酸作为侧基引入到聚羧酸大分子链中,合成了一种新型聚羧酸系高效减水剂。
A new polycarboxylic acid type superplasticizer was synthesized by introducing citric acid to polycarboxylic acid molecule as branch in order to solve concretes slump-loss, bleeding and segregation.
此类柴油流动改进剂的酯基侧链碳数分布和柴油的正构烷烃分布是影响其效果的主要因素。
It is indicated that the performance of the flow improver is influenced by the carbon distribution of the alkyl ester and then paraffin distribution of the diesel.
可成像元件还包含辐射吸收性化合物和耐溶剂聚合物,所述聚合 物含有聚合物主链和磷酸侧基、金刚烷基侧基或这两种侧基。
The imageable elements also include a radiation absorbing compound and a solvent-resistant polymer comprising pendant phosphoric acid groups, pendant adamantyl groups, or both.
用MNDO方法对磷酰化组氨酸磷上酯交换反应侧链咪唑基所参与的六配位磷机理进行了研究。
The ester exchange reaction on phosphorus of N-phosphorylhistidine with primary alcohol has been studied by MNDO method.
在旋转异构态理论基础上,建立双侧基高分子链均方旋转半径的计算公式,由此得到聚甲基苯乙烯的均方旋转半径特征比与链长的关系,计算结果与实验数值十分一致。
Using the rotational isomeric state theory, the mean square radius of gyration < S 2> and its temperature coefficient for the polymer chain with large side groups are derived.
在旋转异构态理论基础上,建立双侧基高分子链均方旋转半径的计算公式,由此得到聚甲基苯乙烯的均方旋转半径特征比与链长的关系,计算结果与实验数值十分一致。
Using the rotational isomeric state theory, the mean square radius of gyration < S 2> and its temperature coefficient for the polymer chain with large side groups are derived.
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