aldehyde acetal
- aldehyde acetal的基本解释
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[化] 缩醛, 乙缩醛
- 相似词
- 更多 网络例句 与aldehyde acetal相关的网络例句 [注：此内容来源于网络，仅供参考]
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Through copolymerizing AA and AN in different mole ratio, and compare the PV performance with membrane of PVA acetal membrane, we can concluded that, the separation flux of composite membrane is less than PVA acetal membrane, however, when the mole ratio of AA and AN is 1:1, the separation factor is higher than PVA acetal membrane, from the view of PSI, the composite membrane is better, thats the reason of the hydrophilic functional group and hydrophobic functional group ratio proper, it achieved good balance.
经过研究得到相对最佳的制膜条件：PVA浓度10％，甲醛浓度36％，采用加热到75℃的方法缩醛和制膜，热处理时间为15min；AA与AN的投料摩尔比为1比1左右，复合膜厚为30gm。通过渗透汽化指数的综合衡量，得到对于共聚复合膜最佳的使用温度为50℃左右。
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Thus, in order to attain acetal can be used as precursor of its matrix olefine aldehyde, 2-undecental glycol acetal was synthesized, and the corresponding optimum reaction conditions as: 2-undecental 0.2mol, glycol 0.3mol, cyclohexane as solvent, catalysed by vitamin C, the optium reaction time was 6h, its reaction yield could reach over 77.25%.
为了进一步探求效果更理想的前体化合物，本文继续合成了2-十一烯醛乙二醇缩醛，通过单因素优化实验得到最佳反应条件为：环己烷作溶剂，VC作催化剂，用量0.42%，醛醇物质的量之比0.2：0.3，反应时间6h，此条件下产品收率达77.25%。
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In the existing process of PVB, it has disadvantages of unsteady aldehyde groupdistribution, low content of aldehyde acetal group .
本文针对聚乙烯醇缩丁醛传统生产工艺生产的PVB存在缩醛基分布不均，缩醛度低等缺陷，系统地研究了分阶段醇解一缩合的均相工艺，二甲基亚砜的均相工艺以及极性匹配的醇法均相工艺。
- 更多网络解释 与aldehyde acetal相关的网络解释 [注：此内容来源于网络，仅供参考]
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Acetal resin：缩醛树脂 聚甲醛树脂
acetal phosphatide | 缩醛磷脂 | acetal resin | 缩醛树脂 聚甲醛树脂 | acetal | 乙缩醛, 乙缩醛二乙醇
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acetal phosphatide：缩醛磷脂
acetal 乙缩醛 | acetal phosphatide 缩醛磷脂 | acetal resin 缩醛尸
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Acetal plastic：缩醛塑料,聚甲醛塑料
Acetal matrix composites|缩醛树脂基复合材料 | Acetal plastic|缩醛塑料,聚甲醛塑料 | Acetal resin|缩醛树脂