ZA747946B - Process for preparing copolymers of trioxane - Google Patents

Process for preparing copolymers of trioxane

Info

Publication number
ZA747946B
ZA747946B ZA00747946A ZA747946A ZA747946B ZA 747946 B ZA747946 B ZA 747946B ZA 00747946 A ZA00747946 A ZA 00747946A ZA 747946 A ZA747946 A ZA 747946A ZA 747946 B ZA747946 B ZA 747946B
Authority
ZA
South Africa
Prior art keywords
trioxane
preparing copolymers
copolymers
preparing
Prior art date
Application number
ZA00747946A
Other languages
English (en)
Inventor
G Sectro
K Burg
K Duerichen
Original Assignee
Hoechst Ag
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 Hoechst Ag filed Critical Hoechst Ag
Publication of ZA747946B publication Critical patent/ZA747946B/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
    • C08G2/18—Copolymerisation of aldehydes or ketones
    • C08G2/24—Copolymerisation of aldehydes or ketones with acetals
    • 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
    • B01J19/0006—Controlling or regulating processes
    • B01J19/0013—Controlling the temperature of the process
    • 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
    • B01J8/0015—Feeding of the particles in the reactor; Evacuation of the particles out of the reactor
    • B01J8/002—Feeding of the particles in the reactor; Evacuation of the particles out of the reactor with a moving instrument
    • 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
    • B01J2219/00076—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements inside the reactor
    • 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
    • B01J2219/00162—Controlling or regulating processes controlling the pressure
    • 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
    • B01J2219/00168—Controlling or regulating processes controlling the viscosity
    • 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
    • B01J2219/00184—Controlling or regulating processes controlling the weight of reactants in the reactor vessel

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
ZA00747946A 1973-12-14 1974-12-13 Process for preparing copolymers of trioxane ZA747946B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2362172A DE2362172C3 (de) 1973-12-14 1973-12-14 Verfahren zur Herstellung von Copolymeren des Trioxans

Publications (1)

Publication Number Publication Date
ZA747946B true ZA747946B (en) 1976-01-28

Family

ID=5900743

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00747946A ZA747946B (en) 1973-12-14 1974-12-13 Process for preparing copolymers of trioxane

Country Status (13)

Country Link
JP (1) JPS5848564B2 (xx)
AT (1) AT335734B (xx)
BE (1) BE823402R (xx)
BR (1) BR7410463D0 (xx)
CA (1) CA1028443A (xx)
CH (1) CH606163A5 (xx)
DE (1) DE2362172C3 (xx)
FR (1) FR2254591B2 (xx)
GB (1) GB1453779A (xx)
IT (1) IT1046173B (xx)
NL (1) NL7415994A (xx)
SE (1) SE7415191L (xx)
ZA (1) ZA747946B (xx)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4567302A (en) * 1984-07-20 1986-01-28 Angus Chemical Polymeric quaternary ammonium salts possessing antimicrobial activity and methods for preparation and use thereof
GB9909630D0 (en) 1999-04-28 1999-06-23 Zeneca Ltd Reactor

Also Published As

Publication number Publication date
BE823402R (fr) 1975-06-16
DE2362172C3 (de) 1980-12-18
FR2254591A2 (xx) 1975-07-11
CH606163A5 (xx) 1978-10-31
SE7415191L (xx) 1975-06-16
JPS5848564B2 (ja) 1983-10-29
IT1046173B (it) 1980-06-30
AU7635074A (en) 1976-06-17
NL7415994A (nl) 1975-06-17
GB1453779A (en) 1976-10-27
AT335734B (de) 1977-03-25
CA1028443A (en) 1978-03-21
ATA995974A (de) 1976-07-15
DE2362172A1 (de) 1975-06-26
JPS5092389A (xx) 1975-07-23
FR2254591B2 (xx) 1979-08-10
DE2362172B2 (de) 1980-03-27
BR7410463D0 (pt) 1975-09-16

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