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

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2/00Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
    • C08G2/06Catalysts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/08Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J19/10Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing sonic or ultrasonic vibrations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/16Chemical 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/18Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
    • B01J8/24Chemical 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/18Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
    • B01J8/24Chemical 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
    • B01J8/38Chemical 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
    • B01J8/382Chemical 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
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2/00Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
    • C08G2/08Polymerisation of formaldehyde
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008Controlling the process
    • B01J2208/00017Controlling the temperature
    • B01J2208/00106Controlling the temperature by indirect heat exchange
    • B01J2208/00115Controlling the temperature by indirect heat exchange with heat exchange elements inside the bed of solid particles
    • B01J2208/00141Coils
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00796Details of the reactor or of the particulate material
    • B01J2208/00823Mixing elements
    • B01J2208/00858Moving elements
    • B01J2208/00867Moving elements inside the bed, e.g. rotary mixer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
BE635002D 1962-07-16 BE635002A (US07922777-20110412-C00004.png)

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 (US07922777-20110412-C00004.png)

Family

ID=7096836

Family Applications (1)

Application Number Title Priority Date Filing Date
BE635002D BE635002A (US07922777-20110412-C00004.png) 1962-07-16

Country Status (7)

Country Link
US (1) US3296205A (US07922777-20110412-C00004.png)
AT (1) AT238951B (US07922777-20110412-C00004.png)
BE (1) BE635002A (US07922777-20110412-C00004.png)
CH (1) CH433749A (US07922777-20110412-C00004.png)
DE (1) DE1176858B (US07922777-20110412-C00004.png)
GB (1) GB981376A (US07922777-20110412-C00004.png)
NL (1) NL295328A (US07922777-20110412-C00004.png)

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 (US07922777-20110412-C00004.png) * 1958-10-16
BE586725A (US07922777-20110412-C00004.png) * 1959-01-20
US3005799A (en) * 1959-05-18 1961-10-24 Bayer Ag Polymerization of formaldehyde
NL263965A (US07922777-20110412-C00004.png) * 1960-06-14
FR1291999A (fr) * 1960-06-14 1962-04-27 Nippon Catalytic Chem Ind Procédé de polymérisation du formaldéhyde
FR1300492A (fr) * 1960-09-17 1962-08-03 Bayer Ag Préparation des polyoxyméthylènes à poids moléculaire élevé par polymérisation du formaldéhyde
NL128011C (US07922777-20110412-C00004.png) * 1961-03-29

Also Published As

Publication number Publication date
DE1176858B (de) 1964-08-27
AT238951B (de) 1965-03-10
NL295328A (US07922777-20110412-C00004.png)
GB981376A (en) 1965-01-27
US3296205A (en) 1967-01-03
CH433749A (de) 1967-04-15

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