RO95934A2 - PROCESS AND PLANT FOR OBTAINING ALKYLMETHACRYLATES - Google Patents

PROCESS AND PLANT FOR OBTAINING ALKYLMETHACRYLATES

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Publication number
RO95934A2
RO95934A2 RO87126480A RO12648087A RO95934A2 RO 95934 A2 RO95934 A2 RO 95934A2 RO 87126480 A RO87126480 A RO 87126480A RO 12648087 A RO12648087 A RO 12648087A RO 95934 A2 RO95934 A2 RO 95934A2
Authority
RO
Romania
Prior art keywords
preamidation
alkylmethacrylates
plant
obtaining
amidation
Prior art date
Application number
RO87126480A
Other languages
French (fr)
Romanian (ro)
Inventor
Filon O Isaila
Romeo L Stoia
Augustin C Crucean
Lucica Stanulet
Sofronie T Oana
Victor Puica
Original Assignee
Intreprinderea Chimica "Carbosin",Ro
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Intreprinderea Chimica "Carbosin",Ro filed Critical Intreprinderea Chimica "Carbosin",Ro
Priority to RO87126480A priority Critical patent/RO95934A2/en
Publication of RO95934A2 publication Critical patent/RO95934A2/en

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Various alkyl-methacrylates are prepd. using acetone-cyanohydrin and sulphuric acid in molar ratios of 1:1.74-1.9. A preamidation step at 85-135 deg. C is followed by an amidation step at 125-145 deg. C. The prepn. takes place in adjoining units of sulphate prodn., preamidation, amidation, a series of four hydrolysis and esterification submits a stripper, an extraction column, a number of azeotrope and alcohol recovering columns and of a final purification column.
RO87126480A 1987-01-09 1987-01-09 PROCESS AND PLANT FOR OBTAINING ALKYLMETHACRYLATES RO95934A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO87126480A RO95934A2 (en) 1987-01-09 1987-01-09 PROCESS AND PLANT FOR OBTAINING ALKYLMETHACRYLATES

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO87126480A RO95934A2 (en) 1987-01-09 1987-01-09 PROCESS AND PLANT FOR OBTAINING ALKYLMETHACRYLATES

Publications (1)

Publication Number Publication Date
RO95934A2 true RO95934A2 (en) 1988-09-15

Family

ID=20120330

Family Applications (1)

Application Number Title Priority Date Filing Date
RO87126480A RO95934A2 (en) 1987-01-09 1987-01-09 PROCESS AND PLANT FOR OBTAINING ALKYLMETHACRYLATES

Country Status (1)

Country Link
RO (1) RO95934A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006058250A1 (en) * 2006-12-08 2008-06-12 Evonik Röhm Gmbh Integrated process and apparatus for producing methacrylic acid esters from acetone and hydrocyanic acid

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006058250A1 (en) * 2006-12-08 2008-06-12 Evonik Röhm Gmbh Integrated process and apparatus for producing methacrylic acid esters from acetone and hydrocyanic acid

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