CS196288B2 - Method of producing solutions of urea-formaldehyde impregnating resins - Google Patents

Method of producing solutions of urea-formaldehyde impregnating resins Download PDF

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Publication number
CS196288B2
CS196288B2 CS756862A CS686275A CS196288B2 CS 196288 B2 CS196288 B2 CS 196288B2 CS 756862 A CS756862 A CS 756862A CS 686275 A CS686275 A CS 686275A CS 196288 B2 CS196288 B2 CS 196288B2
Authority
CS
Czechoslovakia
Prior art keywords
urea
mmol
solution
ammonia
added
Prior art date
Application number
CS756862A
Other languages
Czech (cs)
English (en)
Inventor
Ulrich Holtschmidt
Arnold Laqua
Bruno Petrik
Original Assignee
Goldschmidt Ag Th
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 Goldschmidt Ag Th filed Critical Goldschmidt Ag Th
Publication of CS196288B2 publication Critical patent/CS196288B2/cs

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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
    • C08G12/00—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
    • C08G12/02—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes
    • C08G12/04—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds
    • C08G12/043—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds with at least two compounds covered by more than one of the groups C08G12/06 - C08G12/24
    • C08G12/046—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds with at least two compounds covered by more than one of the groups C08G12/06 - C08G12/24 one being urea or thiourea

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  • 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)
  • Laminated Bodies (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Polymerisation Methods In General (AREA)
  • Materials For Medical Uses (AREA)
  • Paper (AREA)
CS756862A 1974-10-11 1975-10-10 Method of producing solutions of urea-formaldehyde impregnating resins CS196288B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2448472A DE2448472C3 (de) 1974-10-11 1974-10-11 Verfahren zur Herstellung von Lösungen von Harnstoff-Formaldehyd-Tränkharzen

Publications (1)

Publication Number Publication Date
CS196288B2 true CS196288B2 (en) 1980-03-31

Family

ID=5928060

Family Applications (1)

Application Number Title Priority Date Filing Date
CS756862A CS196288B2 (en) 1974-10-11 1975-10-10 Method of producing solutions of urea-formaldehyde impregnating resins

Country Status (11)

Country Link
AT (1) AT348260B (xx)
BE (1) BE834032A (xx)
CS (1) CS196288B2 (xx)
DD (1) DD120454A5 (xx)
DE (1) DE2448472C3 (xx)
ES (1) ES441641A1 (xx)
FR (1) FR2287459A1 (xx)
GB (1) GB1513409A (xx)
HU (1) HU170828B (xx)
NO (1) NO140674C (xx)
SE (1) SE426495B (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2734638C2 (de) * 1977-08-01 1982-12-30 Th. Goldschmidt Ag, 4300 Essen Verfahren zur Herstellung von Lösungen härtbarer Harnstoff-Formaldehydharze für die Tränkung und Beschichtung von Trägerbahnen zur Oberflächenvergütung von Holzwerkstoffplatten
DE2825590C2 (de) * 1978-06-10 1983-05-05 Th. Goldschmidt Ag, 4300 Essen Verfahren zur Herstellung von wärmehärtbaren Harnstoff-Formaldehyd-Harzen und deren Verwendung
CH648570A5 (de) * 1981-10-26 1985-03-29 Sika Ag Polykondensationsprodukt.
GB2192005B (en) * 1986-06-27 1989-12-13 Ciba Geigy Ag Process for the preparation of urea-formaldehyde resins

Also Published As

Publication number Publication date
NO753400L (xx) 1976-04-13
NO140674C (no) 1979-10-31
FR2287459B1 (xx) 1978-04-07
BE834032A (fr) 1976-01-16
DD120454A5 (xx) 1976-06-12
FR2287459A1 (fr) 1976-05-07
ES441641A1 (es) 1977-04-01
SE7511396L (sv) 1976-04-12
AT348260B (de) 1979-02-12
HU170828B (hu) 1977-09-28
NO140674B (no) 1979-07-09
DE2448472C3 (de) 1979-08-30
DE2448472B2 (de) 1979-01-11
DE2448472A1 (de) 1976-04-22
ATA775275A (de) 1978-06-15
SE426495B (sv) 1983-01-24
GB1513409A (en) 1978-06-07

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