ES448537A1 - Procedimiento para preparar resinas de urea-formaldehido me-joradas. - Google Patents

Procedimiento para preparar resinas de urea-formaldehido me-joradas.

Info

Publication number
ES448537A1
ES448537A1 ES448537A ES448537A ES448537A1 ES 448537 A1 ES448537 A1 ES 448537A1 ES 448537 A ES448537 A ES 448537A ES 448537 A ES448537 A ES 448537A ES 448537 A1 ES448537 A1 ES 448537A1
Authority
ES
Spain
Prior art keywords
formaldehyde
urea
melamine
resin
denaturant
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES448537A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Publication of ES448537A1 publication Critical patent/ES448537A1/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
    • C08J3/03—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media
    • C08J3/05—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media from solid polymers
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2361/00—Characterised by the use of condensation polymers of aldehydes or ketones; Derivatives of such polymers
    • C08J2361/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Phenolic Resins Or Amino Resins (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Adhesives Or Adhesive Processes (AREA)
ES448537A 1975-06-05 1976-06-04 Procedimiento para preparar resinas de urea-formaldehido me-joradas. Expired ES448537A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2426475 1975-06-05

Publications (1)

Publication Number Publication Date
ES448537A1 true ES448537A1 (es) 1977-07-01

Family

ID=10208983

Family Applications (1)

Application Number Title Priority Date Filing Date
ES448537A Expired ES448537A1 (es) 1975-06-05 1976-06-04 Procedimiento para preparar resinas de urea-formaldehido me-joradas.

Country Status (9)

Country Link
JP (1) JPS51148743A (es)
AU (1) AU497955B2 (es)
BE (1) BE842563A (es)
DE (1) DE2625056A1 (es)
ES (1) ES448537A1 (es)
FR (1) FR2313427A1 (es)
IT (1) IT1063582B (es)
NL (1) NL7606068A (es)
SE (1) SE7606277L (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59115704A (ja) * 1982-12-24 1984-07-04 Toray Ind Inc 半透膜の処理法
DE3522358A1 (de) * 1985-06-22 1987-01-02 Basf Ag Pulverfoermiges aminoplastleimharz fuer holzwerkstoffe mit geringer formaldehydabspaltung, verfahren zu dessen herstellung und konfektioniertes, pulverfoermiges aminoplastleimharz
US4812366A (en) * 1988-01-25 1989-03-14 Borden Inc. Viscosity adjustment of ammoniated urea-formaldehyde resin compositions by addition of dried urea-formaldehyde powder
CN103391964B (zh) * 2011-02-24 2016-03-16 巴斯夫欧洲公司 具有微粒填料的三聚氰胺树脂泡沫

Also Published As

Publication number Publication date
JPS51148743A (en) 1976-12-21
AU497955B2 (en) 1979-01-25
BE842563A (fr) 1976-12-03
AU1458676A (en) 1977-12-08
NL7606068A (nl) 1976-12-07
IT1063582B (it) 1985-02-11
DE2625056A1 (de) 1976-12-23
FR2313427A1 (fr) 1976-12-31
FR2313427B3 (es) 1979-02-23
SE7606277L (sv) 1976-12-06

Similar Documents

Publication Publication Date Title
DK133475B (da) Stabil, vandig suspension til limning af papir og indeholdende partikler af en harpiksblanding på basis af modificeret kolofoniumharpiks, og fremgangsmåde til fremstilling af suspensionen.
ES448537A1 (es) Procedimiento para preparar resinas de urea-formaldehido me-joradas.
ES333177A1 (es) Procedimiento para el tratamiento posterior de moldes para impresion plana, revelados con emulsion de barniz.
ES411269A1 (es) Un procedimiento para preparar una solucion de resina de melamina-formaldehido.
FR2335558A1 (fr) Procede de preparation d'une composition de moulage thermodurcissable granulaire contenant une resine phenolique novolaque
ES435914A1 (es) Procedimiento para la preparacion de resinas fenolicas en- durecibles.
ZA762575B (en) Process for preparing melamine formaldehyde resins
ES418324A1 (es) Procedimiento para la fabricacion de una estructura tridi- mensional o plana a base de particulas de corcho.
ES413572A1 (es) Procedimiento para la produccion de composiciones de moldeode aminoplastos termoendurecibles sinteticos.
ES353291A1 (es) Procedimiento para preparar por condensacion resinas de fe-nolaldehido.
JPS5235779A (en) Method of producing macroporous anion-exchange resin
BR7408227D0 (pt) Processo para preparar granulos de resina de ureia formaldeido
BR7602981A (pt) Processo para preparacao de colas ou resinas de ureia-formaldeido,e colas,concentrados e solucoes aquosas obtidas por realizacao deste processo
ES411717A1 (es) Un procedimiento para la preparacion de ligantes aminoplas-tos.
ES417941A1 (es) Un procedimiento para la disminucion de la fragilidad de piezas moldeadas a partir de masas a base de resinas de urea-formaldehido.
ES286954A1 (es) Procedimiento para la obtención de productos plásticos por condensación
IT1057328B (it) Perfezionamento nei procedimenti per la fabbricazione di oggetti stampati da resine termoindurenti
ES439847A1 (es) Procedimiento para preparar composiciones adhesivas.
ES329922A1 (es) Procedimiento de fabricacion de una composicion resinosa fenolica de curado rapido.
ES401115A1 (es) Procedimiento para la obtencion de resinas a base de for- maldehido.
JPS5215595A (en) Process for preparing an amino resin essentially free from free formal dehyde
ES425769A1 (es) Procedimiento para la fabricacion de un aglutinante.
ES430115A1 (es) Procedimiento para la produccion de aductos de un producto de condensacion apropiado como agente endurecedor pa ra re- sinas epoxidicas y un compuesto epoxidico.
ES382377A1 (es) Procedimiento para la produccion de materiales espumados pulverulentos o granulados a base de resinas de aminoplastos.
ES404785A3 (es) Procedimiento para la separacion de glucagon de los extrac-tos pancreaticos.