NL23271C - Process for the preparation of plastics, and / or objects therefrom, from condensation products of urea with formaldehyde or formaldehyde releasing substances - Google Patents

Process for the preparation of plastics, and / or objects therefrom, from condensation products of urea with formaldehyde or formaldehyde releasing substances

Info

Publication number
NL23271C
NL23271C NL37269A NL37269A NL23271C NL 23271 C NL23271 C NL 23271C NL 37269 A NL37269 A NL 37269A NL 37269 A NL37269 A NL 37269A NL 23271 C NL23271 C NL 23271C
Authority
NL
Netherlands
Prior art keywords
formaldehyde
urea
plastics
preparation
condensation products
Prior art date
Application number
NL37269A
Other languages
Dutch (nl)
Inventor
Fritz Schmidt
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 filed Critical
Application granted granted Critical
Publication of NL23271C publication Critical patent/NL23271C/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
    • C08L61/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
    • C08L61/22—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds
    • C08L61/24—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds with urea or thiourea
    • 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
    • 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
    • C08G12/10—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds with acyclic compounds having the moiety X=C(—N<)2 in which X is O, S or —N
    • C08G12/12—Ureas; Thioureas

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Phenolic Resins Or Amino Resins (AREA)
NL37269A 1926-12-08 1927-06-10 Process for the preparation of plastics, and / or objects therefrom, from condensation products of urea with formaldehyde or formaldehyde releasing substances NL23271C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DESCH81018D DE591045C (en) 1926-12-08 1926-12-08 Process for the production of hardenable, compressible substances from condensation products of formaldehyde or formaldehyde-releasing bodies and ureas or urea derivatives and swellable carrier substances

Publications (1)

Publication Number Publication Date
NL23271C true NL23271C (en) 1930-12-15

Family

ID=7442196

Family Applications (1)

Application Number Title Priority Date Filing Date
NL37269A NL23271C (en) 1926-12-08 1927-06-10 Process for the preparation of plastics, and / or objects therefrom, from condensation products of urea with formaldehyde or formaldehyde releasing substances

Country Status (4)

Country Link
DE (1) DE591045C (en)
FR (1) FR636219A (en)
GB (1) GB281993A (en)
NL (1) NL23271C (en)

Also Published As

Publication number Publication date
DE591045C (en) 1934-01-16
FR636219A (en) 1928-04-04
GB281993A (en) 1928-11-16

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