NL160802B - PROCEDURE FOR INHIBITING THE POLYMERIZATION OF ACRYLIC OR ACRYLIC ESTERS DURING THE DISTILLATIVE SEPARATION OR PURIFICATION OF THESE COMPOUNDS. - Google Patents
PROCEDURE FOR INHIBITING THE POLYMERIZATION OF ACRYLIC OR ACRYLIC ESTERS DURING THE DISTILLATIVE SEPARATION OR PURIFICATION OF THESE COMPOUNDS.Info
- Publication number
- NL160802B NL160802B NL7317334A NL7317334A NL160802B NL 160802 B NL160802 B NL 160802B NL 7317334 A NL7317334 A NL 7317334A NL 7317334 A NL7317334 A NL 7317334A NL 160802 B NL160802 B NL 160802B
- Authority
- NL
- Netherlands
- Prior art keywords
- acrylic
- inhibiting
- polymerization
- purification
- compounds
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/34—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
- C07C51/44—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/50—Use of additives, e.g. for stabilisation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
- C07C67/62—Use of additives, e.g. for stabilisation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/38—Polymerisation using regulators, e.g. chain terminating agents, e.g. telomerisation
- C08F2/40—Polymerisation using regulators, e.g. chain terminating agents, e.g. telomerisation using retarding agents
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12818472A JPS5234606B2 (en) | 1972-12-22 | 1972-12-22 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NL7317334A NL7317334A (en) | 1974-06-25 |
| NL160802B true NL160802B (en) | 1979-07-16 |
| NL160802C NL160802C (en) | 1979-12-17 |
Family
ID=14978499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7317334A NL160802C (en) | 1972-12-22 | 1973-12-18 | PROCEDURE FOR INHIBITING THE POLYMERIZATION OF ACRYLIC OR ACRYLIC ESTERS DURING THE DISTILLATIVE SEPARATION OR PURIFICATION OF THESE COMPOUNDS. |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS5234606B2 (en) |
| BE (1) | BE808771A (en) |
| BR (1) | BR7310015D0 (en) |
| CA (1) | CA1013705A (en) |
| CS (1) | CS171189B2 (en) |
| FR (1) | FR2211440B1 (en) |
| GB (1) | GB1433400A (en) |
| IT (1) | IT1000592B (en) |
| NL (1) | NL160802C (en) |
| PL (1) | PL94830B1 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2931553A1 (en) * | 1979-08-03 | 1981-02-26 | Basf Ag | METHOD FOR STABILIZING MONOMERIC ACRYLIC ACID ESTERS AGAINST EARLY POLYMERIZATION |
| JPS57197684U (en) * | 1981-06-11 | 1982-12-15 | ||
| US4915873A (en) * | 1988-01-22 | 1990-04-10 | Uniroyal Chemical Company, Inc. | Polymerization inhibitor composition for vinyl aromatic compounds |
| US5371280A (en) * | 1990-11-09 | 1994-12-06 | Nippon Shokubai Co., Ltd. | Polymerization inhibitor and inhibiting method for vinyl compound |
| JP2001081050A (en) * | 1999-09-10 | 2001-03-27 | Nippon Shokubai Co Ltd | Apparatus and method for handling readily polymerizable compound |
| CN1305832C (en) * | 2003-11-28 | 2007-03-21 | 三菱化学株式会社 | Method for producing purified (meth)acrylic acid |
| JP2005179352A (en) * | 2003-11-28 | 2005-07-07 | Mitsubishi Chemicals Corp | Method of purifying (meth)acrylic acid |
| DE102010042216A1 (en) * | 2010-10-08 | 2011-06-09 | Basf Se | Inhibiting the unwanted radical polymerization of acrylic acid present in a liquid phase, comprises adding a chemical compound of copper to the liquid phase, and the liquid phase additionally contains propionic acid and glyoxal |
| JP7204980B1 (en) * | 2022-04-18 | 2023-01-16 | 信越化学工業株式会社 | Method for purifying siloxane containing hydroxyl group and (meth)acrylic group, and siloxane composition containing hydroxyl group and (meth)acrylic group |
-
1972
- 1972-12-22 JP JP12818472A patent/JPS5234606B2/ja not_active Expired
-
1973
- 1973-12-12 GB GB5762473A patent/GB1433400A/en not_active Expired
- 1973-12-18 NL NL7317334A patent/NL160802C/en not_active IP Right Cessation
- 1973-12-18 BE BE138988A patent/BE808771A/en not_active IP Right Cessation
- 1973-12-20 BR BR1001573A patent/BR7310015D0/en unknown
- 1973-12-21 CA CA188,746A patent/CA1013705A/en not_active Expired
- 1973-12-21 IT IT7081573A patent/IT1000592B/en active
- 1973-12-21 PL PL16756273A patent/PL94830B1/en unknown
- 1973-12-21 FR FR7345893A patent/FR2211440B1/fr not_active Expired
- 1973-12-22 CS CS896873A patent/CS171189B2/cs unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CS171189B2 (en) | 1976-10-29 |
| BE808771A (en) | 1974-04-16 |
| JPS4985016A (en) | 1974-08-15 |
| PL94830B1 (en) | 1977-08-31 |
| BR7310015D0 (en) | 1974-08-29 |
| NL7317334A (en) | 1974-06-25 |
| FR2211440B1 (en) | 1976-10-08 |
| AU6353073A (en) | 1975-06-12 |
| CA1013705A (en) | 1977-07-12 |
| JPS5234606B2 (en) | 1977-09-05 |
| DE2362373A1 (en) | 1974-07-11 |
| FR2211440A1 (en) | 1974-07-19 |
| IT1000592B (en) | 1976-04-10 |
| DE2362373B2 (en) | 1977-06-02 |
| NL160802C (en) | 1979-12-17 |
| GB1433400A (en) | 1976-04-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NL80 | Abbreviated name of patent owner mentioned of already nullified patent |
Owner name: NIPPON SHOKU |
|
| V4 | Lapsed because of reaching the maxim lifetime of a patent |