IT8219404A0 - Metodo ed apparecchio per controllare la formazione di accumulazioni di polimero durante la distillazione di un monomero vinilaromatico. - Google Patents

Metodo ed apparecchio per controllare la formazione di accumulazioni di polimero durante la distillazione di un monomero vinilaromatico.

Info

Publication number
IT8219404A0
IT8219404A0 IT8219404A IT1940482A IT8219404A0 IT 8219404 A0 IT8219404 A0 IT 8219404A0 IT 8219404 A IT8219404 A IT 8219404A IT 1940482 A IT1940482 A IT 1940482A IT 8219404 A0 IT8219404 A0 IT 8219404A0
Authority
IT
Italy
Prior art keywords
distillation
formation
controlling
vinylaromatic monomer
accumulations during
Prior art date
Application number
IT8219404A
Other languages
English (en)
Other versions
IT1150166B (it
Inventor
Marshall W Abernathy
Darrell E Bailey
Original Assignee
Cosden Technology
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
Application filed by Cosden Technology filed Critical Cosden Technology
Publication of IT8219404A0 publication Critical patent/IT8219404A0/it
Application granted granted Critical
Publication of IT1150166B publication Critical patent/IT1150166B/it

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
    • 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
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • B01D3/16—Fractionating columns in which vapour bubbles through liquid
    • B01D3/18—Fractionating columns in which vapour bubbles through liquid with horizontal bubble plates
    • B01D3/20—Bubble caps; Risers for vapour; Discharge pipes for liquid
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00—Purification; Separation; Use of additives
    • C07C7/04—Purification; Separation; Use of additives by distillation
    • C07C7/05—Purification; Separation; Use of additives by distillation with the aid of auxiliary compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
IT19404/82A 1981-02-02 1982-02-02 Metodo ed apparecchio per controllare la formazione di accumulazioni di polimero durante la distillazione di un monomero vinilaromatico IT1150166B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/230,617 US4374000A (en) 1981-02-02 1981-02-02 Method for controlling the formation of polymer accumulations during distillation of a vinylaromatic monomer

Publications (2)

Publication Number Publication Date
IT8219404A0 true IT8219404A0 (it) 1982-02-02
IT1150166B IT1150166B (it) 1986-12-10

Family

ID=22865915

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19404/82A IT1150166B (it) 1981-02-02 1982-02-02 Metodo ed apparecchio per controllare la formazione di accumulazioni di polimero durante la distillazione di un monomero vinilaromatico

Country Status (9)

Country Link
US (1) US4374000A (it)
JP (1) JPS57181026A (it)
BE (1) BE891976A (it)
CA (1) CA1163950A (it)
DE (1) DE3203418A1 (it)
FR (1) FR2499065A1 (it)
GB (1) GB2092175B (it)
IT (1) IT1150166B (it)
NL (1) NL8200308A (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3539776A1 (de) * 1985-11-09 1987-05-21 Basf Ag Verfahren zur destillation vinylaromatischer verbindungen
US5106556A (en) * 1989-03-08 1992-04-21 Glitsch, Inc. Method of downcoer-tray vapor venting
US4956127A (en) * 1989-03-08 1990-09-11 Glitsch, Inc. Downcomer-tray assembly and method
US4954294A (en) * 1989-08-11 1990-09-04 Shell Oil Company Vapor/liquid contact apparatus
US5192466A (en) * 1991-10-09 1993-03-09 Glitsch, Inc. Method of and apparatus for flow promotion
US5242628A (en) * 1992-10-29 1993-09-07 Nye Trays, Inc. Distillation tray/downcomer
US5547617A (en) * 1995-03-31 1996-08-20 Glitsch, Inc. Apparatus for increasing effective active area
AU694850B2 (en) * 1995-03-31 1998-07-30 Koch (Cyprus) Limited Multi-downcomer high performance tray assembly
JPH10212249A (ja) 1997-01-31 1998-08-11 Nippon Shokubai Co Ltd 易重合性有機化合物の精製方法および精製装置
JPH11226301A (ja) * 1998-02-20 1999-08-24 Nippon Shokubai Co Ltd 蒸留方法及び蒸留装置
US6500982B1 (en) 1999-06-28 2002-12-31 Rohm And Haas Company Process for preparing (meth) acrylic acid

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3448015A (en) * 1967-12-21 1969-06-03 Phillips Petroleum Co Distillation process with polymerization inhibitor addition at specific locations for the purification of polymerizable organic compounds
JPS4915153B1 (it) * 1969-06-06 1974-04-12
US3988212A (en) * 1975-03-21 1976-10-26 Cosden Technology, Inc. Polymerization inhibitor for vinyl aromatic compounds
US4086147A (en) * 1976-12-10 1978-04-25 Cosden Technology, Inc. Polymerization inhibitor for vinyl aromatic compounds
FR2465700A2 (fr) * 1979-04-04 1981-03-27 Cosden Technology Procede pour inhiber la polymerisation de composes vinylaromatiques facilement polymerisables

Also Published As

Publication number Publication date
DE3203418A1 (de) 1982-09-30
CA1163950A (en) 1984-03-20
BE891976A (fr) 1982-05-27
NL8200308A (nl) 1982-09-01
GB2092175B (en) 1984-05-10
US4374000A (en) 1983-02-15
FR2499065A1 (fr) 1982-08-06
GB2092175A (en) 1982-08-11
JPS57181026A (en) 1982-11-08
IT1150166B (it) 1986-12-10

Similar Documents

Publication Publication Date Title
IT1153634B (it) Apparecchio e metodo per l'introduzione di un catetere
IT8220258A0 (it) Metodo per la polimerizzazione di alfa-olefine.
FI822688L (fi) Metoder foer infusion av frukter
DE3276066D1 (en) Method for preparing condensation polymers by emulsion polymerization
IT1195798B (it) Apparato per il trattamento di un combustibile
DZ1012A1 (fr) Procédé pour accroître le degré d'extraction du pétrole.
IT8122721A0 (it) Circuito ed apparato per il controllo di un addolcitore d'acqua.
IT8219404A0 (it) Metodo ed apparecchio per controllare la formazione di accumulazioni di polimero durante la distillazione di un monomero vinilaromatico.
ES513287A0 (es) "un metodo con su aparato correspondiente, para la limpieza de electrodos".
IT8222867A0 (it) Metodo per il trattamento disistemi acquosi.
OA07370A (fr) Procédé et appareil pour effectuer une extrusion sous l'action d'un frottement.
IT8223560A0 (it) Metodo per rompere emulsioni.
FR2586591B1 (fr) Appareil d'homogeneisation, appareil de revetement en rideau le comportant et procede pour l'utilisation de cet appareil de revetement.
FR2483852B1 (fr) Procede pour dessiner automatiquement le contour d'un objet
FR2476126B1 (fr) Procede pour l'expression d'un gene codant pour une proteine
DE3273792D1 (en) Process for the preparaton of nylon block polymers
IT1136625B (it) Metodo per la polimerizzazione di un'alfa-olefina
FR2552751B1 (fr) Appareil et procede de degazage d'un liquide, notamment de l'eau
ES508506A0 (es) "metodo de efectuar la conversion de un material de carga hidrocarbonado".
IT8224937A0 (it) Metodo ed apparecchio per inibire la formazione di composti vinilaromatici polimerizzati durante la purificazione distillativa di un monomero vinilaromatico.
NO158985C (no) Apparat for rynking av roerformet omhylling.
FR2502288B1 (fr) Procede pour revetir un tube et tube obtenu
ES510835A0 (es) "un metodo para la polimerizacion en suspension de uno o mas monomeros estirenicos".
ES511960A0 (es) "un metodo de preparar un polimero funcional de azodicarboxilato".
BE894897A (fr) Stabilisants pour polymerisation en emulsion et procede les mettant en oeuvre