IT1075807B - Processo per la distillazione di composti aromatici vinilici,facilmente polimerizzabili - Google Patents
Processo per la distillazione di composti aromatici vinilici,facilmente polimerizzabiliInfo
- Publication number
- IT1075807B IT1075807B IT20433/77A IT2043377A IT1075807B IT 1075807 B IT1075807 B IT 1075807B IT 20433/77 A IT20433/77 A IT 20433/77A IT 2043377 A IT2043377 A IT 2043377A IT 1075807 B IT1075807 B IT 1075807B
- Authority
- IT
- Italy
- Prior art keywords
- distillation
- aromatic compounds
- vinyl aromatic
- easily polymerizable
- polymerizable
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/20—Use of additives, e.g. for stabilisation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S585/00—Chemistry of hydrocarbon compounds
- Y10S585/949—Miscellaneous considerations
- Y10S585/952—Reaction stopping or retarding
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Water Supply & Treatment (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Polymerisation Methods In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/659,570 US4061545A (en) | 1976-02-19 | 1976-02-19 | Polymerization inhibitor for vinyl aromatic compounds |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1075807B true IT1075807B (it) | 1985-04-22 |
Family
ID=24645893
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT20433/77A IT1075807B (it) | 1976-02-19 | 1977-02-18 | Processo per la distillazione di composti aromatici vinilici,facilmente polimerizzabili |
Country Status (10)
Country | Link |
---|---|
US (1) | US4061545A (it) |
JP (1) | JPS52113925A (it) |
BE (1) | BE851596A (it) |
BR (1) | BR7701084A (it) |
CA (1) | CA1091616A (it) |
DE (1) | DE2707074A1 (it) |
FR (1) | FR2341542A1 (it) |
GB (1) | GB1522913A (it) |
IT (1) | IT1075807B (it) |
NL (1) | NL7701747A (it) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4161554A (en) * | 1978-04-28 | 1979-07-17 | The Dow Chemical Company | Method for preventing polymers formation in styrene storage containers |
US4177110A (en) * | 1978-07-18 | 1979-12-04 | Cosden Technology, Inc. | Method for the distillation of vinyl aromatic compounds using polymerization inhibitors with low-volatility |
US4260821A (en) * | 1979-03-15 | 1981-04-07 | Halcon Research And Development Corp. | Minimizing polymerization during recovery of methacrylic acid |
US4237326A (en) * | 1979-05-30 | 1980-12-02 | Mitsubishi Petrochemical Company Limited | Method of inhibiting polymerization of styrene |
US4376678A (en) * | 1982-07-29 | 1983-03-15 | American Hoechst Corporation | Method of inhibiting polymerization of vinyl aromatic compounds |
US4466905A (en) * | 1983-04-11 | 1984-08-21 | Cosden Technology, Inc. | Polymerization inhibition process for vinyl aromatic compounds |
CA1224811A (en) * | 1983-04-11 | 1987-07-28 | James R. Butler | Polymerization inhibition process for vinyl aromatic compounds |
US4468343A (en) * | 1983-04-11 | 1984-08-28 | Cosden Technology, Inc. | Polymerization co-inhibitors for vinyl aromatic compounds |
US4465882A (en) * | 1983-09-08 | 1984-08-14 | Atlantic Richfield Company | Inhibiting polymerization of vinyl aromatic monomers |
US4487981A (en) * | 1983-09-08 | 1984-12-11 | Atlantic Richfield Company | Inhibiting polymerization of vinyl aromatic monomers |
US4465881A (en) * | 1983-09-08 | 1984-08-14 | Atlantic Richfield Company | Inhibiting polymerization of vinyl aromatic monomers |
US4529500A (en) * | 1984-08-10 | 1985-07-16 | Atlantic Richfield | Method for minimizing fouling of heat exchanger |
US4915873A (en) * | 1988-01-22 | 1990-04-10 | Uniroyal Chemical Company, Inc. | Polymerization inhibitor composition for vinyl aromatic compounds |
US4944847A (en) * | 1989-06-12 | 1990-07-31 | Nalco Chemical Company | Method for inhibiting epichlorohydrin fouling |
US5128022A (en) * | 1991-01-18 | 1992-07-07 | Betz Laboratories, Inc. | Antioxidant compositions and methods using p-phenylenediamine compounds and organic acid compounds |
US5157175A (en) * | 1991-09-09 | 1992-10-20 | Nalco Chemical Company | Composition and method for inhibition of styrene polymerization |
US5221461A (en) * | 1992-06-09 | 1993-06-22 | Betz Laboratories, Inc. | Antioxidant compositions and methods using catechol compounds and organic acid compounds |
US5470440A (en) * | 1994-04-19 | 1995-11-28 | Betz Laboratories, Inc. | Method for inhibiting vinyl aromatic monomer polymerization |
US5489720A (en) * | 1994-06-30 | 1996-02-06 | Betz Laboratories, Inc. | Methods for inhibiting vinyl aromatic monomer polymerization |
US5426257A (en) * | 1994-06-30 | 1995-06-20 | Betz Laboratories, Inc. | Compositions and methods for inhibiting vinyl aromatic monomer polymerization |
AU7169196A (en) * | 1995-09-29 | 1997-04-17 | Yield Improvement Engineering, Inc. | Distillation of vinylaromatic monomer |
US6096941A (en) * | 1998-02-25 | 2000-08-01 | Art; Billie E. | Distillation of vinylaromatic monomer |
IT1306138B1 (it) * | 1999-05-07 | 2001-05-30 | Chimec Spa | Composizione stabilizzante per benzine per inibire la formazione digomme. |
JP4430788B2 (ja) * | 2000-06-02 | 2010-03-10 | 株式会社日本触媒 | 蒸留塔のスタートアップ方法 |
DE10064641A1 (de) * | 2000-12-22 | 2002-06-27 | Basf Ag | Verfahren zur Herstellung von Acrylsäure |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2388041A (en) * | 1941-07-26 | 1945-10-30 | Goodrich Co B F | Process for the extraction of butadiene |
DE1114806B (de) * | 1960-07-28 | 1961-10-12 | Knapsack Ag | Verfahren zur Isolierung und Reinigung von 2-Chlorbutadien-(1, 3) |
US3239433A (en) * | 1962-05-31 | 1966-03-08 | Phillips Petroleum Co | Addition of oxygen during methylvinyl-pyridine distillation to prevent polymerization |
NL302210A (it) * | 1963-01-16 | |||
DE1211150B (de) * | 1963-05-15 | 1966-02-24 | Knapsack Ag | Verfahren zur kontinuierlichen Isolierung und Reinigung von 1, 3-Dichlorbuten-(2) |
US3433831A (en) * | 1965-06-30 | 1969-03-18 | Asahi Chemical Ind | Separation and purification of acrylic acid from acetic acid by solvent extraction and azeotropic distillation with a two component solvent-entrainer system |
US3666794A (en) * | 1969-01-22 | 1972-05-30 | Toyo Soda Mfg Co Ltd | Stabilization of acrylic acid or esters thereof |
JPS506449B1 (it) * | 1969-06-24 | 1975-03-14 | ||
JPS5021B1 (it) * | 1970-07-18 | 1975-01-06 | ||
US3816265A (en) * | 1971-10-13 | 1974-06-11 | Cosden Oil & Chem Co | Distillation of readily polymerizable ethylenically unsaturated aromatic hydrocarbon compounds with n-nitrosodiphenylamine |
US3933599A (en) * | 1974-12-09 | 1976-01-20 | Cosden Technology, Inc. | Nitrosyl chloride as a polymerization inhibitor for vinyl aromatic compounds |
-
1976
- 1976-02-19 US US05/659,570 patent/US4061545A/en not_active Expired - Lifetime
-
1977
- 1977-02-14 CA CA271,744A patent/CA1091616A/en not_active Expired
- 1977-02-17 GB GB6729/77A patent/GB1522913A/en not_active Expired
- 1977-02-18 DE DE19772707074 patent/DE2707074A1/de not_active Withdrawn
- 1977-02-18 IT IT20433/77A patent/IT1075807B/it active
- 1977-02-18 NL NL7701747A patent/NL7701747A/xx not_active Application Discontinuation
- 1977-02-18 BR BR7701084A patent/BR7701084A/pt unknown
- 1977-02-18 BE BE175070A patent/BE851596A/xx not_active IP Right Cessation
- 1977-02-18 JP JP1628177A patent/JPS52113925A/ja active Granted
- 1977-02-21 FR FR7704872A patent/FR2341542A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
DE2707074A1 (de) | 1977-10-13 |
FR2341542B1 (it) | 1983-07-29 |
GB1522913A (en) | 1978-08-31 |
FR2341542A1 (fr) | 1977-09-16 |
CA1091616A (en) | 1980-12-16 |
JPS619291B2 (it) | 1986-03-22 |
JPS52113925A (en) | 1977-09-24 |
US4061545A (en) | 1977-12-06 |
NL7701747A (nl) | 1977-08-23 |
BR7701084A (pt) | 1977-12-06 |
BE851596A (fr) | 1977-06-16 |
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