NL7202470A - Unsatd acid distillation - using hydroquinone monomethyl ether benzoquinone and oxygen-contg gas as polymn inhibitors - Google Patents

Unsatd acid distillation - using hydroquinone monomethyl ether benzoquinone and oxygen-contg gas as polymn inhibitors

Info

Publication number
NL7202470A
NL7202470A NL7202470A NL7202470A NL7202470A NL 7202470 A NL7202470 A NL 7202470A NL 7202470 A NL7202470 A NL 7202470A NL 7202470 A NL7202470 A NL 7202470A NL 7202470 A NL7202470 A NL 7202470A
Authority
NL
Netherlands
Prior art keywords
unsatd
benzoquinone
monomethyl ether
hydroquinone monomethyl
contg
Prior art date
Application number
NL7202470A
Other languages
English (en)
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
Priority to JP44049887A priority Critical patent/JPS506449B1/ja
Priority to US00215902A priority patent/US3794567A/en
Priority to CA132,670A priority patent/CA975708A/en
Priority to DE19722202980 priority patent/DE2202980A1/de
Priority to FR7203299A priority patent/FR2170804A1/fr
Priority to BE778869A priority patent/BE778869A/fr
Priority to GB746072A priority patent/GB1380832A/en
Application filed filed Critical
Priority to NL7202470A priority patent/NL7202470A/xx
Publication of NL7202470A publication Critical patent/NL7202470A/xx

Links

Classifications

    • 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
    • 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
    • C07C51/487—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
    • C07C51/50—Use of additives, e.g. for stabilisation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
NL7202470A 1969-06-24 1972-02-24 Unsatd acid distillation - using hydroquinone monomethyl ether benzoquinone and oxygen-contg gas as polymn inhibitors NL7202470A (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP44049887A JPS506449B1 (fr) 1969-06-24 1969-06-24
US00215902A US3794567A (en) 1969-06-24 1972-01-06 Stabilization of unsaturated acids by distillation with a combined polymerization inhibitor
CA132,670A CA975708A (en) 1969-06-24 1972-01-18 Stabilization of acrylic acid or methacrylic acid during distillation
DE19722202980 DE2202980A1 (de) 1969-06-24 1972-01-21 Verfahren zur destillation einer polymerisierbaren ungesaettigten saeure
FR7203299A FR2170804A1 (en) 1969-06-24 1972-02-01 Unsatd acid distillation - using hydroquinone monomethyl ether benzoquinone and oxygen-contg gas as polymn inhibitors
BE778869A BE778869A (fr) 1969-06-24 1972-02-02 Procede de distillation d'un acide insature
GB746072A GB1380832A (en) 1969-06-24 1972-02-17 Distillation and stabilization of acrylic or methacrylic acid
NL7202470A NL7202470A (en) 1969-06-24 1972-02-24 Unsatd acid distillation - using hydroquinone monomethyl ether benzoquinone and oxygen-contg gas as polymn inhibitors

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP44049887A JPS506449B1 (fr) 1969-06-24 1969-06-24
US00215902A US3794567A (en) 1969-06-24 1972-01-06 Stabilization of unsaturated acids by distillation with a combined polymerization inhibitor
CA132,670A CA975708A (en) 1969-06-24 1972-01-18 Stabilization of acrylic acid or methacrylic acid during distillation
DE19722202980 DE2202980A1 (de) 1969-06-24 1972-01-21 Verfahren zur destillation einer polymerisierbaren ungesaettigten saeure
FR7203299A FR2170804A1 (en) 1969-06-24 1972-02-01 Unsatd acid distillation - using hydroquinone monomethyl ether benzoquinone and oxygen-contg gas as polymn inhibitors
GB746072A GB1380832A (en) 1969-06-24 1972-02-17 Distillation and stabilization of acrylic or methacrylic acid
NL7202470A NL7202470A (en) 1969-06-24 1972-02-24 Unsatd acid distillation - using hydroquinone monomethyl ether benzoquinone and oxygen-contg gas as polymn inhibitors

Publications (1)

Publication Number Publication Date
NL7202470A true NL7202470A (en) 1973-08-28

Family

ID=4092095

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7202470A NL7202470A (en) 1969-06-24 1972-02-24 Unsatd acid distillation - using hydroquinone monomethyl ether benzoquinone and oxygen-contg gas as polymn inhibitors

Country Status (8)

Country Link
US (1) US3794567A (fr)
JP (1) JPS506449B1 (fr)
BE (1) BE778869A (fr)
CA (1) CA975708A (fr)
DE (1) DE2202980A1 (fr)
FR (1) FR2170804A1 (fr)
GB (1) GB1380832A (fr)
NL (1) NL7202470A (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4021310A (en) * 1972-12-22 1977-05-03 Nippon Shokubai Kagaku Kogyo Co., Ltd. Method for inhibiting the polymerization of acrylic acid or its esters
US3960671A (en) * 1974-06-17 1976-06-01 Rohm And Haas Company Quinones as corrosion inhibitor in distilling alkanoic acids
US4061545A (en) * 1976-02-19 1977-12-06 Cosden Technology, Inc. Polymerization inhibitor for vinyl aromatic compounds
US4144137A (en) * 1976-12-13 1979-03-13 Rohm And Haas Company Method for removal of polymerization inhibitor
US4260821A (en) * 1979-03-15 1981-04-07 Halcon Research And Development Corp. Minimizing polymerization during recovery of methacrylic acid
JPS5713986U (fr) * 1980-06-26 1982-01-25
US4529500A (en) * 1984-08-10 1985-07-16 Atlantic Richfield Method for minimizing fouling of heat exchanger
DE3575418D1 (de) * 1984-10-10 1990-02-22 Amoco Corp Verfahren zur reinigung von methacrylsaeure.
US4780555A (en) * 1988-01-04 1988-10-25 Dow Corning Corporation Method for preparing and stabilizing acryl-functional halosilanes
CA2070551C (fr) * 1991-07-12 2003-04-01 Anthony V. Grossi Inhibiteurs de polymerisation pour acides acryliques et acrylates-esters
US5322960A (en) * 1993-04-15 1994-06-21 Nippon Shokubai Co., Ltd. Method for inhibiting polymerization of (meth) acrylic acid and esters thereof
MY121525A (en) * 1999-03-11 2006-01-28 Nippon Catalytic Chem Ind Shell-and tube heat exchanger and method for inhibiting polymerization in the shell-and-tube heat exchanger
JP3787261B2 (ja) 1999-04-16 2006-06-21 株式会社日本触媒 易重合性化合物の重合防止方法
DE10064642A1 (de) * 2000-12-22 2002-06-27 Basf Ag Verfahren zur Herstellung von (Meth)acrylsäure
DE102009058058A1 (de) 2009-12-14 2011-06-16 Basf Se Verfahren zur Polymerisationsinhibierung von (Meth)acrylsäure und/oder Meth)acrylsäureestern
ES2630757T3 (es) * 2013-03-15 2017-08-23 Bausch & Lomb Incorporated Método y aparato para retrasar la polimerización

Also Published As

Publication number Publication date
BE778869A (fr) 1972-08-02
CA975708A (en) 1975-10-07
US3794567A (en) 1974-02-26
GB1380832A (en) 1975-01-15
FR2170804B1 (fr) 1976-07-23
DE2202980A1 (de) 1973-07-26
FR2170804A1 (en) 1973-09-21
JPS506449B1 (fr) 1975-03-14

Similar Documents

Publication Publication Date Title
FR2170804A1 (en) Unsatd acid distillation - using hydroquinone monomethyl ether benzoquinone and oxygen-contg gas as polymn inhibitors
GB1257371A (fr)
GB1244576A (en) PREPARATION OF beta-DIMETHYLAMINO ETHYL METHACRYLATE
JPS51146418A (en) Purification of methacrylic esters
GB1528871A (en) Polymerizable acrylic adhesives
GB1256428A (en) Stabilization of acrylic acid or esters thereof
GB958226A (en) Improvements in the handling of acrylic acid
FR2433229A1 (fr) Procede de traitement d'un melange d'air avec des gaz rares
ES318539A1 (es) Procedimiento para la separacion de dioxido de carbono y amoniaco de una mezcla de los mismos con vapor de agua.
GB1265419A (fr)
GB1317517A (en) Method for rectifying oxygen-containing tetrafluoroethylene
JPS5374533A (en) Actinic radiation-curable temporary corrosion-resistant coating composition removable by alkali treatment
GB1262756A (en) Process for producing nitric acid
GB920353A (en) Process for stabilizing acrylic acid alkyl esters
JPS51119382A (en) Ultralow temperature gas adsorbing refinary column
ES418450A3 (es) Una columna de destilacion continua de liquidos densos.
USD204290S (en) Wire carrier
SU517559A1 (ru) Каплеуловитель к устройствам дл розлива жидкостей
USD239899S (en)
JPS51114375A (en) A shelf plate for gas-liguid contact apparatus
JPS5239100A (en) The enriched extraction of 85kr from the bottom liquid of a column still
JPS543194A (en) Continuos production of polyester oligomer
USD201265S (en) Merchandising display stand for writing instruments and the like
JPS52103701A (en) Vertical multi-stage pump
JPS53106793A (en) Treatment of polyester by-product