因此在其制备过程中,首先由醋酸乙烯酯聚合生成 聚醋酸乙烯酯,然后醇解生成PVA,其反应式为: 醇解(Alcoholysis)是指酯、酰氯、酸酐、酰胺等化合物在醇 作用下发生的分解反应。它是溶剂解的一种形式。
基于933个网页-相关网页
alcoholysis reaction 醇解反应
alcoholysis of alkoxides metal 金属烷氧基化合物醇解
partial alcoholysis pva 部分醇解pva
The obtained polyvinyl alcohol had the alcoholysis degree of 80.6% when the process conditions of PVA were optimized as followed: alkali content 0.38%,moisture content 1.2%,acid addition time 50 min. And the quality satisfied the requirement of the dispersant KH-20 imported from Japan.
在含碱量0.38%,含水量1.2%,加酸时间50 m in的最佳醇解条件下,可得到醇解度为80.6%的PVA,其质量指标达到日本进口分散剂KH-20要求。
参考来源 - 80%醇解度聚乙烯醇的制备工艺·2,447,543篇论文数据,部分数据来源于NoteExpress
The temperature and time of alcoholysis and polycondensation were discussed.
讨论了醇解和缩聚的温度及时间等因素。
The degrading mechanism of polyester (PET) was studied, and practicable process of PET degradation is found to be alcoholysis.
探讨了聚酯(PET)废料的解聚机理,确定其合理解聚方法为醇解。
The effect of the reaction time, temperature, the concentration of reactant and catalyst on the alcoholysis process were investigated.
分析了催化剂、醇解温度、反应物浓度等对醇解度的影响。
应用推荐