GB950970A - Improvements in or relating to the polymerisation of formaldehyde - Google Patents

Improvements in or relating to the polymerisation of formaldehyde

Info

Publication number
GB950970A
GB950970A GB21364/61A GB2136461A GB950970A GB 950970 A GB950970 A GB 950970A GB 21364/61 A GB21364/61 A GB 21364/61A GB 2136461 A GB2136461 A GB 2136461A GB 950970 A GB950970 A GB 950970A
Authority
GB
United Kingdom
Prior art keywords
formaldehyde
polymerisation
relating
polymerization
cyclohexyldibutyl
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
Application number
GB21364/61A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Compagnie de Saint Gobain SA
Original Assignee
Compagnie de Saint Gobain SA
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 Compagnie de Saint Gobain SA filed Critical Compagnie de Saint Gobain SA
Publication of GB950970A publication Critical patent/GB950970A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2/00—Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
    • C08G2/06—Catalysts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J12/00—Chemical processes in general for reacting gaseous media with gaseous media; Apparatus specially adapted therefor
    • B01J12/02—Chemical processes in general for reacting gaseous media with gaseous media; Apparatus specially adapted therefor for obtaining at least one reaction product which, at normal temperature, is in the solid state
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/28—Moving reactors, e.g. rotary drums
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2/00—Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
    • C08G2/08—Polymerisation of formaldehyde
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2/00—Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
    • C08G2/30—Chemical modification by after-treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008—Controlling the process
    • B01J2208/00017—Controlling the temperature
    • B01J2208/00026—Controlling or regulating the heat exchange system
    • B01J2208/00035—Controlling or regulating the heat exchange system involving measured parameters
    • B01J2208/00044—Temperature measurement
    • B01J2208/00061—Temperature measurement of the reactants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008—Controlling the process
    • B01J2208/00017—Controlling the temperature
    • B01J2208/00026—Controlling or regulating the heat exchange system
    • B01J2208/00035—Controlling or regulating the heat exchange system involving measured parameters
    • B01J2208/00088—Flow rate measurement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008—Controlling the process
    • B01J2208/00017—Controlling the temperature
    • B01J2208/00106—Controlling the temperature by indirect heat exchange
    • B01J2208/00168—Controlling the temperature by indirect heat exchange with heat exchange elements outside the bed of solid particles
    • B01J2208/00212—Plates; Jackets; Cylinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00054—Controlling or regulating the heat exchange system
    • B01J2219/00056—Controlling or regulating the heat exchange system involving measured parameters
    • B01J2219/00058—Temperature measurement
    • B01J2219/00063—Temperature measurement of the reactants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00054—Controlling or regulating the heat exchange system
    • B01J2219/00056—Controlling or regulating the heat exchange system involving measured parameters
    • B01J2219/00069—Flow rate measurement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
    • B01J2219/00087—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
    • B01J2219/00094—Jackets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/18—Details relating to the spatial orientation of the reactor
    • B01J2219/182—Details relating to the spatial orientation of the reactor horizontal

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
GB21364/61A 1960-06-14 1961-06-13 Improvements in or relating to the polymerisation of formaldehyde Expired GB950970A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR829971A FR1285909A (fr) 1960-06-14 1960-06-14 Perfectionnement à la polymérisation du formaldéhyde

Publications (1)

Publication Number Publication Date
GB950970A true GB950970A (en) 1964-03-04

Family

ID=8733389

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21364/61A Expired GB950970A (en) 1960-06-14 1961-06-13 Improvements in or relating to the polymerisation of formaldehyde

Country Status (9)

Country Link
US (1) US3428604A (US08063081-20111122-C00044.png)
BE (1) BE601893A (US08063081-20111122-C00044.png)
CH (1) CH395537A (US08063081-20111122-C00044.png)
DE (1) DE1232349B (US08063081-20111122-C00044.png)
ES (1) ES266933A1 (US08063081-20111122-C00044.png)
FR (1) FR1285909A (US08063081-20111122-C00044.png)
GB (1) GB950970A (US08063081-20111122-C00044.png)
LU (1) LU39964A1 (US08063081-20111122-C00044.png)
NL (1) NL263965A (US08063081-20111122-C00044.png)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL289972A (US08063081-20111122-C00044.png) * 1962-03-10
BE635002A (US08063081-20111122-C00044.png) * 1962-07-16
NL302396A (US08063081-20111122-C00044.png) * 1963-01-29
NL302397A (US08063081-20111122-C00044.png) * 1963-01-29
FR1386500A (fr) * 1963-12-13 1965-01-22 Pechiney Saint Gobain Procédé et appareillage pour la préparation de polymères et de copolymères à base de formaldéhyde
DE1745379C3 (de) * 1966-04-02 1973-11-15 Societa Italiana Resine S.I.R. S.P.A., Mailand (Italien) Verfahren zur Herstellung von makromolekularen Polyoxymethylenen
GB1176748A (en) * 1967-04-29 1970-01-07 Sir Soc Italiana Resine Spa Process for Polymerizing Gaseous Formaldehyde.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2479360A (en) * 1943-12-09 1949-08-16 Standard Oil Dev Co Process for polymerizing hydrocarbons
US2529269A (en) * 1948-06-18 1950-11-07 Du Pont Paraformaldehyde from formaldehyde-containing gas
GB748836A (en) * 1952-08-30 1956-05-09 Du Pont Improvements in or relating to formaldehyde polymers
FR1211002A (fr) * 1958-09-24 1960-03-11 Saint Gobain Procédé de polymérisation du formaldéhyde

Also Published As

Publication number Publication date
FR1285909A (fr) 1962-03-02
ES266933A1 (es) 1961-11-01
DE1232349B (de) 1967-01-12
BE601893A (US08063081-20111122-C00044.png)
LU39964A1 (US08063081-20111122-C00044.png)
CH395537A (fr) 1965-07-15
NL263965A (US08063081-20111122-C00044.png)
US3428604A (en) 1969-02-18

Similar Documents

Publication Publication Date Title
ES435408A1 (es) Un procedimiento para polimerizar etileno o una mezcla de etileno y una o mas 1-olefinas diferentes.
GB950970A (en) Improvements in or relating to the polymerisation of formaldehyde
YU39175B (en) Process for the polymerization and co-polymerization of ethylene by means of cooling the mixture of the polymer and monomer between the reactor and the separator
GB840327A (en) Polymerisation catalysts
GB925145A (en) Improvements in or relating to the polymerisation of formaldehyde
GB836588A (en) Process for polymerising ethylene
ES303258A1 (es) Procedimiento para polimerizar alfa-olefinas.
GB932231A (en) Polymerisation of ethylene
SE309964B (US08063081-20111122-C00044.png)
GB824616A (en) Process for the preparation of catalysts for the polymerisation of ethylene
ES424778A1 (es) Procedimiento para la polimerizacion de etileno.
GB880598A (en) Improvements relating to the polymerisation of ethylene and catalyst therefor
GB981376A (en) A process and apparatus for the polymerisation of gaseous formaldehyde
ES292033A1 (es) Procedimiento para preparar copolímeros de peso molecular elevado
GB970967A (en) Improvements in or relating to polychloral film and sheet products
ES451957A1 (es) Procedimiento para la preparacion de copolimeros.
GB824198A (en) Process for the polymerisation of olefins
ES249776A1 (es) Procedimiento para la preparacion de polimerizados mixtos a base de acrilonitrilo
ES266692A1 (es) Procedimiento para regular el peso molecular en la polimerizacion de alfa-olefinas con catalizadores mixtos metalorganicos (catalizadores de ziegler9
ES301412A1 (es) Procedimiento para la polimerización continua de monómeros orgánicos insaturados
GB1029713A (en) Process for the polymerisation of olefins
ES283101A1 (es) Procedimiento para preparar copolímeros vulcanizables
GB883392A (en) Improvements relating to polymerisation
GB1213416A (en) A process for the polymerisation of ethylene
GB891575A (en) Improvements in the production of polyethylene and catalyst therefor