CA1224811A - Polymerization inhibition process for vinyl aromatic compounds - Google Patents
Polymerization inhibition process for vinyl aromatic compoundsInfo
- Publication number
- CA1224811A CA1224811A CA000451559A CA451559A CA1224811A CA 1224811 A CA1224811 A CA 1224811A CA 000451559 A CA000451559 A CA 000451559A CA 451559 A CA451559 A CA 451559A CA 1224811 A CA1224811 A CA 1224811A
- Authority
- CA
- Canada
- Prior art keywords
- ppm
- vinyl aromatic
- phenylenediamine
- column
- aromatic compound
- 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.)
- Expired
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
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 (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US483,976 | 1983-04-11 | ||
US06/483,978 US4466905A (en) | 1983-04-11 | 1983-04-11 | Polymerization inhibition process for vinyl aromatic compounds |
US483,978 | 1983-04-11 | ||
US06/483,976 US4468343A (en) | 1983-04-11 | 1983-04-11 | Polymerization co-inhibitors for vinyl aromatic compounds |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1224811A true CA1224811A (en) | 1987-07-28 |
Family
ID=27047805
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000451559A Expired CA1224811A (en) | 1983-04-11 | 1984-04-09 | Polymerization inhibition process for vinyl aromatic compounds |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPH0680085B2 (de) |
CA (1) | CA1224811A (de) |
DE (1) | DE3413642C2 (de) |
FR (1) | FR2543944B1 (de) |
GB (1) | GB2138010B (de) |
IT (1) | IT1196078B (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4774374A (en) * | 1987-06-12 | 1988-09-27 | Uniroyal Chemical Company, Inc. | Stabilized vinyl aromatic composition |
US4915873A (en) * | 1988-01-22 | 1990-04-10 | Uniroyal Chemical Company, Inc. | Polymerization inhibitor composition for vinyl aromatic compounds |
JPH05506248A (ja) * | 1990-10-18 | 1993-09-16 | ユニロイヤル ケミカル カンパニー インコーポレイテッド | ビニル芳香族重合防止剤としてのベンゾキノンイミン |
US6342648B1 (en) * | 1999-09-30 | 2002-01-29 | Baker Hughes Incorporated | Methods and compositions for inhibiting vinyl aromatic monomer polymerization |
JP2006176417A (ja) * | 2004-12-21 | 2006-07-06 | Hakuto Co Ltd | 芳香族ビニル化合物の重合抑制方法 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE932487C (de) * | 1937-09-11 | 1955-09-01 | Int Standard Electric Corp | Verfahren zur zeitweisen Stabilisation von Styrol gegen Polymerisation unter Zusatz von Stabilisatoren |
US2867672A (en) * | 1955-08-29 | 1959-01-06 | Shell Dev | Method of minimizing styrene polymerization during storage |
JPS4972219A (de) * | 1972-11-18 | 1974-07-12 | ||
JPS5729692B2 (de) * | 1974-09-17 | 1982-06-24 | ||
US3988212A (en) * | 1975-03-21 | 1976-10-26 | Cosden Technology, Inc. | Polymerization inhibitor for vinyl aromatic compounds |
US4061545A (en) * | 1976-02-19 | 1977-12-06 | Cosden Technology, Inc. | Polymerization inhibitor for vinyl aromatic compounds |
US4105506A (en) * | 1977-02-24 | 1978-08-08 | Cosden Technology, Inc. | Polymerization inhibitor for vinyl aromatic compounds |
US4132602A (en) * | 1977-11-23 | 1979-01-02 | Cosden Technology, Inc. | Polymerization inhibitor for vinyl aromatic compounds |
US4132601A (en) * | 1977-11-23 | 1979-01-02 | Cosden Technology, Inc. | Polymerization inhibitor for vinyl aromatic compounds |
US4252615A (en) * | 1978-07-18 | 1981-02-24 | Cosden Technology, Inc. | Polymerization inhibitor for vinyl aromatic compounds |
GB2069523B (en) * | 1979-04-03 | 1983-03-23 | Cosden Technology | Distillation of vinyl aromatic compounds |
DE2931553A1 (de) * | 1979-08-03 | 1981-02-26 | Basf Ag | Verfahren zur stabilisierung monomerer acrylsaeureester gegen vorzeitige polymerisation |
US4343956A (en) * | 1980-03-13 | 1982-08-10 | Ethyl Corporation | Stabilization dibromostyrene |
US4341600A (en) * | 1981-04-06 | 1982-07-27 | Cosden Technology, Inc. | Polymerization inhibitor for vinyltoluene |
-
1984
- 1984-04-09 CA CA000451559A patent/CA1224811A/en not_active Expired
- 1984-04-10 FR FR8405644A patent/FR2543944B1/fr not_active Expired
- 1984-04-10 JP JP59070176A patent/JPH0680085B2/ja not_active Expired - Lifetime
- 1984-04-11 GB GB08409407A patent/GB2138010B/en not_active Expired
- 1984-04-11 DE DE3413642A patent/DE3413642C2/de not_active Expired - Lifetime
- 1984-04-11 IT IT20487/84A patent/IT1196078B/it active
Also Published As
Publication number | Publication date |
---|---|
FR2543944A1 (fr) | 1984-10-12 |
DE3413642A1 (de) | 1984-10-11 |
GB2138010A (en) | 1984-10-17 |
FR2543944B1 (fr) | 1987-02-13 |
GB8409407D0 (en) | 1984-05-23 |
GB2138010B (en) | 1986-09-10 |
JPS59206419A (ja) | 1984-11-22 |
IT8420487A0 (it) | 1984-04-11 |
IT1196078B (it) | 1988-11-10 |
DE3413642C2 (de) | 1999-09-09 |
JPH0680085B2 (ja) | 1994-10-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |