BE597457A - Process for treating a concentrated aqueous formaldehyde solution with a view to obtaining, simultaneously, a solid polymer of formaldehyde, and a solution with a controlled concentration of formaldehyde. - Google Patents

Process for treating a concentrated aqueous formaldehyde solution with a view to obtaining, simultaneously, a solid polymer of formaldehyde, and a solution with a controlled concentration of formaldehyde.

Info

Publication number
BE597457A
BE597457A BE597457A BE597457A BE597457A BE 597457 A BE597457 A BE 597457A BE 597457 A BE597457 A BE 597457A BE 597457 A BE597457 A BE 597457A BE 597457 A BE597457 A BE 597457A
Authority
BE
Belgium
Prior art keywords
formaldehyde
solution
treating
obtaining
view
Prior art date
Application number
BE597457A
Other languages
French (fr)
Inventor
Marcel Delassus
Pierre Vasseur
Original Assignee
Houilleres Bassin Du Nord
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 Houilleres Bassin Du Nord filed Critical Houilleres Bassin Du Nord
Publication of BE597457A publication Critical patent/BE597457A/en

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
    • C08G2/08—Polymerisation of formaldehyde

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Phenolic Resins Or Amino Resins (AREA)
  • Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
BE597457A 1959-12-28 1960-11-24 Process for treating a concentrated aqueous formaldehyde solution with a view to obtaining, simultaneously, a solid polymer of formaldehyde, and a solution with a controlled concentration of formaldehyde. BE597457A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR814232A FR1253275A (en) 1959-12-28 1959-12-28 Process for treating a concentrated aqueous solution of formaldehyde with a view to obtaining, simultaneously, a solid polymer of formaldehyde, and a solution with a controlled concentration of formaldehyde

Publications (1)

Publication Number Publication Date
BE597457A true BE597457A (en) 1961-03-15

Family

ID=8723102

Family Applications (1)

Application Number Title Priority Date Filing Date
BE597457A BE597457A (en) 1959-12-28 1960-11-24 Process for treating a concentrated aqueous formaldehyde solution with a view to obtaining, simultaneously, a solid polymer of formaldehyde, and a solution with a controlled concentration of formaldehyde.

Country Status (7)

Country Link
BE (1) BE597457A (en)
CH (1) CH396415A (en)
DE (1) DE1161021B (en)
FR (1) FR1253275A (en)
GB (1) GB895193A (en)
LU (1) LU39467A1 (en)
NL (1) NL130323C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES290018A1 (en) * 1962-07-17 1963-12-01 Montedison Spa Water-soluble paraformaldehyde compositions

Also Published As

Publication number Publication date
NL259254A (en) 1964-04-27
GB895193A (en) 1962-05-02
NL130323C (en) 1970-07-15
FR1253275A (en) 1961-02-10
LU39467A1 (en) 1961-01-28
DE1161021B (en) 1964-01-09
CH396415A (en) 1965-07-31

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