JPS5424813A - Separation of methacrylic acid - Google Patents

Separation of methacrylic acid

Info

Publication number
JPS5424813A
JPS5424813A JP8799077A JP8799077A JPS5424813A JP S5424813 A JPS5424813 A JP S5424813A JP 8799077 A JP8799077 A JP 8799077A JP 8799077 A JP8799077 A JP 8799077A JP S5424813 A JPS5424813 A JP S5424813A
Authority
JP
Japan
Prior art keywords
methacrylic acid
separation
methyl methacrylate
mixture
water
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
JP8799077A
Other languages
Japanese (ja)
Other versions
JPS6115057B2 (en
Inventor
Tatsuro Masuko
Shigeo Fukaya
Kazuhiko Masaoka
Yasuo Takeuchi
Takashi Uchida
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Chemical Corp
Original Assignee
Mitsubishi Chemical Industries Ltd
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 Mitsubishi Chemical Industries Ltd filed Critical Mitsubishi Chemical Industries Ltd
Priority to JP8799077A priority Critical patent/JPS5424813A/en
Priority to NL7807420A priority patent/NL7807420A/en
Priority to CS464278A priority patent/CS214895B2/en
Priority to GB7830309A priority patent/GB2001315B/en
Priority to FR7821746A priority patent/FR2398037A1/en
Priority to DE19782832202 priority patent/DE2832202A1/en
Publication of JPS5424813A publication Critical patent/JPS5424813A/en
Publication of JPS6115057B2 publication Critical patent/JPS6115057B2/ja
Granted legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: To separate the title compound from a mixture of water, methanol, methacrylic acid, and methyl methacrylate, in high selectivity and efficiency, by distilling the mixture in the presence of sufficient amount of methyl methacrylate to attain the azeotropic distillation of water and the methyl methacrylate.
COPYRIGHT: (C)1979,JPO&Japio
JP8799077A 1977-07-22 1977-07-22 Separation of methacrylic acid Granted JPS5424813A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP8799077A JPS5424813A (en) 1977-07-22 1977-07-22 Separation of methacrylic acid
NL7807420A NL7807420A (en) 1977-07-22 1978-07-10 PROCESS FOR THE SEPARATION OF METHACRYLIC ACID FROM A MIXTURE CONTAINING WATER, METHANOL, METHACRYLIC ACID AND METHYL METHACRYLATE.
CS464278A CS214895B2 (en) 1977-07-22 1978-07-11 Method of separation of the methacryl acid
GB7830309A GB2001315B (en) 1977-07-22 1978-07-19 Process for separating methacrylic acid from an esterification mixture
FR7821746A FR2398037A1 (en) 1977-07-22 1978-07-21 METHOD FOR SEPARATING METHACRYLIC ACID FROM AN ESTERIFICATION MIXTURE
DE19782832202 DE2832202A1 (en) 1977-07-22 1978-07-21 PROCESS FOR SEPARATION OF METHACRYLIC ACID FROM AN ESTERIFICATION MIXTURE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8799077A JPS5424813A (en) 1977-07-22 1977-07-22 Separation of methacrylic acid

Publications (2)

Publication Number Publication Date
JPS5424813A true JPS5424813A (en) 1979-02-24
JPS6115057B2 JPS6115057B2 (en) 1986-04-22

Family

ID=13930243

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8799077A Granted JPS5424813A (en) 1977-07-22 1977-07-22 Separation of methacrylic acid

Country Status (1)

Country Link
JP (1) JPS5424813A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58162105A (en) * 1982-03-23 1983-09-26 Matsushita Electric Ind Co Ltd crystal oscillation circuit

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3639460A (en) * 1967-07-11 1972-02-01 Roehm Gmbh Esterification of methacrylic acid
JPS49124018A (en) * 1973-04-03 1974-11-27
JPS51146418A (en) * 1975-06-10 1976-12-16 Nippon Zeon Co Ltd Purification of methacrylic esters

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3639460A (en) * 1967-07-11 1972-02-01 Roehm Gmbh Esterification of methacrylic acid
JPS49124018A (en) * 1973-04-03 1974-11-27
JPS51146418A (en) * 1975-06-10 1976-12-16 Nippon Zeon Co Ltd Purification of methacrylic esters

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58162105A (en) * 1982-03-23 1983-09-26 Matsushita Electric Ind Co Ltd crystal oscillation circuit

Also Published As

Publication number Publication date
JPS6115057B2 (en) 1986-04-22

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