BE755047A - Procede pour reduire au minimum la polymerisation de l'acide acrylique - Google Patents
Procede pour reduire au minimum la polymerisation de l'acide acryliqueInfo
- Publication number
- BE755047A BE755047A BE755047DA BE755047A BE 755047 A BE755047 A BE 755047A BE 755047D A BE755047D A BE 755047DA BE 755047 A BE755047 A BE 755047A
- Authority
- BE
- Belgium
- Prior art keywords
- procedure
- acrylic acid
- minimizing polymerization
- minimizing
- polymerization
- 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
-
- 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
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4199869 | 1969-08-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE755047A true BE755047A (fr) | 1971-02-19 |
Family
ID=10422366
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE755047D BE755047A (fr) | 1969-08-22 | 1970-08-19 | Procede pour reduire au minimum la polymerisation de l'acide acrylique |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE755047A (ko) |
DE (1) | DE2041144A1 (ko) |
FR (1) | FR2056825A5 (ko) |
GB (1) | GB1265419A (ko) |
NL (1) | NL7012289A (ko) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2201275A1 (en) * | 1972-09-29 | 1974-04-26 | Nippon Catalytic Chem Ind | Distillation of (meth)acrylic monomers - in presence of polymerisation inhibitor in column with perforated plates, and without overflow tube |
US5322960A (en) * | 1993-04-15 | 1994-06-21 | Nippon Shokubai Co., Ltd. | Method for inhibiting polymerization of (meth) acrylic acid and esters thereof |
TW294658B (ko) * | 1994-06-02 | 1997-01-01 | Nippon Catalytic Chem Ind | |
US5728872A (en) * | 1994-06-27 | 1998-03-17 | Lutz Riemenschneider | Stabilized acrylic acid compositions |
FR2801306B1 (fr) | 1999-11-24 | 2001-12-28 | Atofina | Procede de purification des monomeres (meth) acryliques par distillation |
CN108349848A (zh) | 2015-11-12 | 2018-07-31 | 沙特基础全球技术有限公司 | 使用一氧化氮抑制丁二烯加工过程中米花状聚合的方法 |
-
1969
- 1969-08-22 GB GB1265419D patent/GB1265419A/en not_active Expired
-
1970
- 1970-08-11 FR FR7029482A patent/FR2056825A5/fr not_active Expired
- 1970-08-19 BE BE755047D patent/BE755047A/xx unknown
- 1970-08-19 DE DE19702041144 patent/DE2041144A1/de active Pending
- 1970-08-19 NL NL7012289A patent/NL7012289A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
NL7012289A (ko) | 1971-02-24 |
FR2056825A5 (ko) | 1971-05-14 |
GB1265419A (ko) | 1972-03-01 |
DE2041144A1 (de) | 1971-04-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BE775252A (fr) | Procede de preparation d'acide acrylique | |
FR2009880A1 (fr) | Procede de preparation d'acide acrylique | |
BE809075A (fr) | Procede pour l'obtention d'acide acrylique et d'acroleine | |
BE760837A (fr) | Procede de preparation d'acide 6-aminopenicillanique | |
FR2275436A1 (fr) | Procede pour la preparation de l'acide acrylique ou de l'acide methacrylique | |
BE769391A (fr) | Procede pour la preparation de polymeres en perles de l'acide acryliqueet utilisation de ces acides polyacryliques | |
BE746202A (fr) | Procede pour la preparation d'acide acrylique par oxydation d'acrolein | |
BE755047A (fr) | Procede pour reduire au minimum la polymerisation de l'acide acrylique | |
BE808771A (fr) | Procede pour inhiber la polymerisation de l'acide acrylique ou de ses esters | |
RO62385A (fr) | Procede pour la preparation des esters d'acide pyridazinothionophosphorique et d'acide pyridazinothionophosphonique | |
BE753756A (fr) | Procede de preparation d'acide phenylacetique | |
BE776166A (fr) | Procede de polymerisation de l'isobutylene | |
BE841585A (fr) | Procede pour inhiber la polymerisation d'acide acrylique | |
BE764364A (fr) | Procede de preparation d'acide levulinique | |
BE762365A (fr) | Procede pour la preparation d'acide amidoalcanes-sulfoniques | |
BE745758A (fr) | Regeneration d'acide sulfurique a partir de boues | |
RO63501A (fr) | Procede pour la preparation d'acide 3-cetoglutarique | |
CH518362A (fr) | Procédé pour la préparation d'une carboxypeptidase acide | |
BE749128A (fr) | Procede pour la preparation de l'acide monochloracetique | |
FR2414036B1 (fr) | Procede pour inhiber la polymerisation d'une solution aqueuse d'un sel d'acide acrylique ou methacrylique | |
RO62391A (fr) | Procede pour la preparation des amidoesters d'acide thiophosphorique | |
BE784175A (fr) | Procede perfectionne pour l'obtention d'acide cyanurique chlore | |
BE744892A (fr) | Procede pour la preparation d'acide | |
BE767051A (fr) | Procede pour la preparation d'un acide aldonique | |
RO63436A (fr) | Procede pour la preparation d'esters d'acide succinylosuccinique |