NO933759L - Aqueous urea / formaldehyde resins, process for their preparation, and use thereof - Google Patents

Aqueous urea / formaldehyde resins, process for their preparation, and use thereof

Info

Publication number
NO933759L
NO933759L NO933759A NO933759A NO933759L NO 933759 L NO933759 L NO 933759L NO 933759 A NO933759 A NO 933759A NO 933759 A NO933759 A NO 933759A NO 933759 L NO933759 L NO 933759L
Authority
NO
Norway
Prior art keywords
preparation
aqueous urea
formaldehyde resins
formaldehyde
urea
Prior art date
Application number
NO933759A
Other languages
Norwegian (no)
Other versions
NO933759D0 (en
Inventor
Christel Hittinger
Gunter Lehmann
Manfred Niessner
Walter Denzinger
Heinrich Hartmann
Original Assignee
Basf 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 Basf Ag filed Critical Basf Ag
Publication of NO933759D0 publication Critical patent/NO933759D0/en
Publication of NO933759L publication Critical patent/NO933759L/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
    • C08G12/10—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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L97/00—Compositions of lignin-containing materials
    • C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Materials Engineering (AREA)
  • Phenolic Resins Or Amino Resins (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Alcoholic Beverages (AREA)

Abstract

Aqueous urea-formaldehyde resins obtainable by condensation of urea and formaldehyde in an acidic medium in the presence of di- or polycarboxylic acids. The resins are suitable as binders in the production of mouldings from lignocellulose-containing materials.
NO933759A 1992-10-20 1993-10-19 Aqueous urea / formaldehyde resins, process for their preparation, and use thereof NO933759L (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4235327A DE4235327A1 (en) 1992-10-20 1992-10-20 Aqueous urea-formaldehyde resins

Publications (2)

Publication Number Publication Date
NO933759D0 NO933759D0 (en) 1993-10-19
NO933759L true NO933759L (en) 1994-04-21

Family

ID=6470880

Family Applications (1)

Application Number Title Priority Date Filing Date
NO933759A NO933759L (en) 1992-10-20 1993-10-19 Aqueous urea / formaldehyde resins, process for their preparation, and use thereof

Country Status (5)

Country Link
EP (1) EP0594038B1 (en)
AT (1) ATE147093T1 (en)
DE (2) DE4235327A1 (en)
FI (1) FI934596A (en)
NO (1) NO933759L (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009000109A1 (en) * 2008-06-27 2009-12-31 BAM Bundesanstalt für Materialforschung und -prüfung Method for reducing emissions of wood and wood-based materials
EP2181818A3 (en) * 2008-10-28 2012-08-22 IHD Institut für Holztechnologie Dresden gGmbH Method for manufacturing wood fibre substances and wood fibre substances with lower emissions of volatile VOC

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1470953A (en) * 1973-01-26 1977-04-21 Ici Ltd Thermal insulation in wall cavities
DE3400669A1 (en) * 1984-01-11 1985-09-12 Basf Ag, 6700 Ludwigshafen AQUEOUS HARDENER SOLUTIONS FOR AMINOPLASTIC RESINS, THE GLUE RESIN FLEETS CONTAINING THESE HARDENER SOLUTIONS, AND A METHOD FOR THE PRODUCTION OF SPREADING MATERIALS
US4917764A (en) * 1988-12-12 1990-04-17 Gaf Building Materials Corporation Binder for improved glass fiber mats

Also Published As

Publication number Publication date
EP0594038B1 (en) 1997-01-02
FI934596A0 (en) 1993-10-18
ATE147093T1 (en) 1997-01-15
DE4235327A1 (en) 1994-04-21
FI934596A (en) 1994-04-21
DE59304962D1 (en) 1997-02-13
EP0594038A1 (en) 1994-04-27
NO933759D0 (en) 1993-10-19

Similar Documents

Publication Publication Date Title
ATE94192T1 (en) HEAT-CURING, AQUEOUS RESIN MIXTURES FOR COATING WOOD-BASED MATERIALS.
ES8304169A1 (en) Modified amino resins based on melamine or urea and formaldehyde, and their use as a high-gloss decorative coating.
NO933759L (en) Aqueous urea / formaldehyde resins, process for their preparation, and use thereof
ATE21350T1 (en) PROCESS FOR THE MANUFACTURE OF PLASTIC WOOD MATERIALS WITH REDUCED FORMALDEHYDE EMISSION.
HUT70057A (en) Binding materials based on tannin and process for producing structural materials with said binding materials
DE59502232D1 (en) Process for reducing the release of formaldehyde from lignocellulose products
DE3561463D1 (en) Process for the fabrication of aqueous dispersions of condensation products of urea and aldehydes with acid c-h and their use
AR247223A1 (en) Glutaraldehyde resin binding system for manufacture of wood products
HU9601988D0 (en) Binders for the production of lignocellulose-containing mouldings
DE58906071D1 (en) Process for the production of aqueous non-woven binders with low formaldehyde emission during curing.
ATE271111T1 (en) METHOD FOR PRODUCING A BINDER FLEET CONTAINING TAN CONTAINING WASTE MATERIALS FROM THE WOOD INDUSTRY
HUP9800045A2 (en) More easily washable aqueous aminoplast resins for the productionof timber materials
AU3378889A (en) New process for manufacturing urea/formaldehyde resins
DK159065C (en) APPLICATION OF A HARDENER BASED ON AMMONIUM SALTS OF STRONG ACIDS FOR THE SURFACE ADJUSTMENT OF TREASURY MATERIALS WITH URINE FORMALDEHYD GLUE AND PROCEDURE FOR THE PREPARATION OF SUCH FLAT-LIMITED TREATED MATERIALS
ATE12120T1 (en) PROCESS FOR THE PRODUCTION OF GLUE RESINS.
NO970285D0 (en) Process for the preparation of aqueous aminoplast resins