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连续加料蒸馏法制备丙烯酰氯(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2001年05期
Page:
37-39
Column:
研究论文
publishdate:
1900-01-01

Article Info:/Info

Title:
Preparation of Acryloyl Chloride by Adding Acrylic Acid in Drops and Distilling Continuously
Article ID:
1000-2006(2001)05-0037-03
Author(s):
SHEN De-yuan ZHOU Xiao-fanWU Jing-bo
College of Chemical Engineering Nanjing Forestry University,Na njing 210037,China
Keywords:
Acryloyl chloridePreparationDistillation
Classification number :
623
DOI:
10.3969/j.jssn.1000-2006.2001.05.009
Document Code:
A
Abstract:
This article introduce a new method for preparation of a cryloyl chloride with acrylic acid and phosphorous oxychloride as raw materials and adopts a new technology that acrylic acid is added dropwise and acryloyl chl oride is distilled continuously.The results indicated that,owning to the signif icant decrease in the polymerization acrylic acid and acryloyl chloride by addin g reactant and distilling resultant continuousely,the demand of inhabitor could be decreased,so as to increase the yield and purity of the product.When the mole ratio of acrylic acid and phosphorous oxychloride is 1∶1,the yield of acryloy l chloride is 92.2%,the purity is 98.3%.

References

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Last Update: 1900-01-01