BE635002A - - Google Patents

Info

Publication number
BE635002A
BE635002A BE635002DA BE635002A BE 635002 A BE635002 A BE 635002A BE 635002D A BE635002D A BE 635002DA BE 635002 A BE635002 A BE 635002A
Authority
BE
Belgium
Application number
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.)
Publication of BE635002A publication Critical patent/BE635002A/xx

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
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J19/10—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing sonic or ultrasonic vibrations
    • 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
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/16—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with particles being subjected to vibrations or pulsations
    • 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
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
    • B01J8/24—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique
    • 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
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
    • B01J8/24—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique
    • B01J8/38—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with fluidised bed containing a rotatable device or being subject to rotation or to a circulatory movement, i.e. leaving a vessel and subsequently re-entering it
    • B01J8/382—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with fluidised bed containing a rotatable device or being subject to rotation or to a circulatory movement, i.e. leaving a vessel and subsequently re-entering it with a rotatable device only
    • 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
    • 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
    • B01J2208/00115—Controlling the temperature by indirect heat exchange with heat exchange elements inside the bed of solid particles
    • B01J2208/00141—Coils
    • 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
    • B01J2208/00796—Details of the reactor or of the particulate material
    • B01J2208/00823—Mixing elements
    • B01J2208/00858—Moving elements
    • B01J2208/00867—Moving elements inside the bed, e.g. rotary mixer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
BE635002D 1962-07-16 BE635002A (OSRAM)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF37322A DE1176858B (de) 1962-07-16 1962-07-16 Verfahren zur Polymerisation von gasfoermigem Formaldehyd

Publications (1)

Publication Number Publication Date
BE635002A true BE635002A (OSRAM)

Family

ID=7096836

Family Applications (1)

Application Number Title Priority Date Filing Date
BE635002D BE635002A (OSRAM) 1962-07-16

Country Status (7)

Country Link
US (1) US3296205A (OSRAM)
AT (1) AT238951B (OSRAM)
BE (1) BE635002A (OSRAM)
CH (1) CH433749A (OSRAM)
DE (1) DE1176858B (OSRAM)
GB (1) GB981376A (OSRAM)
NL (1) NL295328A (OSRAM)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
GB1176748A (en) * 1967-04-29 1970-01-07 Sir Soc Italiana Resine Spa Process for Polymerizing Gaseous Formaldehyde.
DE3241115A1 (de) * 1982-11-06 1984-05-10 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von polyoxymethylenen aus formaldehyd

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2841476A (en) * 1953-07-16 1958-07-01 Dorr Oliver Inc Apparatus for contacting solids with gases
FR1211002A (fr) * 1958-09-24 1960-03-11 Saint Gobain Procédé de polymérisation du formaldéhyde
BE572997A (OSRAM) * 1958-10-16
NL235301A (OSRAM) * 1959-01-20
US3005799A (en) * 1959-05-18 1961-10-24 Bayer Ag Polymerization of formaldehyde
FR1291999A (fr) * 1960-06-14 1962-04-27 Nippon Catalytic Chem Ind Procédé de polymérisation du formaldéhyde
LU39964A1 (OSRAM) * 1960-06-14
FR1300492A (fr) * 1960-09-17 1962-08-03 Bayer Ag Préparation des polyoxyméthylènes à poids moléculaire élevé par polymérisation du formaldéhyde
NL128011C (OSRAM) * 1961-03-29

Also Published As

Publication number Publication date
CH433749A (de) 1967-04-15
US3296205A (en) 1967-01-03
DE1176858B (de) 1964-08-27
AT238951B (de) 1965-03-10
NL295328A (OSRAM)
GB981376A (en) 1965-01-27

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