RO99809B1 - Procedeu de obtinere a unor rasini fenolformaldehidice - Google Patents

Procedeu de obtinere a unor rasini fenolformaldehidice

Info

Publication number
RO99809B1
RO99809B1 RO130839A RO13083987A RO99809B1 RO 99809 B1 RO99809 B1 RO 99809B1 RO 130839 A RO130839 A RO 130839A RO 13083987 A RO13083987 A RO 13083987A RO 99809 B1 RO99809 B1 RO 99809B1
Authority
RO
Romania
Prior art keywords
phenole
preparing
formaldehyde resin
formaldehyde
lacquer
Prior art date
Application number
RO130839A
Other languages
English (en)
Inventor
Teodor Domide
Tamara Pintilie
Alexandru Iordache
Gheorghe Petre
Floarea Iliescu
Elena Sames
Original Assignee
Centrul De Cercetari Protectii Anticorosive
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 Centrul De Cercetari Protectii Anticorosive filed Critical Centrul De Cercetari Protectii Anticorosive
Priority to RO130839A priority Critical patent/RO99809B1/ro
Publication of RO99809B1 publication Critical patent/RO99809B1/ro

Links

Landscapes

  • Phenolic Resins Or Amino Resins (AREA)

Abstract

Prezenta inventie se refera la un procedeu pentru obtinerea unor rasini fenolformaldehidice pentru industria de lacuri, vopsele si adezivi prin aditionarea formaldehidei în trepte, în prezenta a doi catalizatori alcalini. Procedeule ste simplu si usor de controlat.
RO130839A 1987-12-09 1987-12-09 Procedeu de obtinere a unor rasini fenolformaldehidice RO99809B1 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO130839A RO99809B1 (ro) 1987-12-09 1987-12-09 Procedeu de obtinere a unor rasini fenolformaldehidice

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO130839A RO99809B1 (ro) 1987-12-09 1987-12-09 Procedeu de obtinere a unor rasini fenolformaldehidice

Publications (1)

Publication Number Publication Date
RO99809B1 true RO99809B1 (ro) 1990-09-28

Family

ID=40907866

Family Applications (1)

Application Number Title Priority Date Filing Date
RO130839A RO99809B1 (ro) 1987-12-09 1987-12-09 Procedeu de obtinere a unor rasini fenolformaldehidice

Country Status (1)

Country Link
RO (1) RO99809B1 (ro)

Similar Documents

Publication Publication Date Title
ES8507578A1 (es) Un procedimiento para producir una resina cationica, termoendurecible, soluble en agua
GB2192005B (en) Process for the preparation of urea-formaldehyde resins
FI96520C (fi) Menetelmä pihkavaikeuksien estämiseksi
RO99809B1 (ro) Procedeu de obtinere a unor rasini fenolformaldehidice
ES433213A1 (es) Procedimiento para la produccion de placas de virutas de madera con resinas de condensacion en calidad de aglutinan- te.
ES8306165A1 (es) Procedimiento para la preparacion de resinas sinteticas
EP0317216A3 (en) Polyaminobisimide resins
DE3887166D1 (de) Ether von oligomeren phenol-dialdehyd-kondensationserzeugnissen als wärmehärtbare harze für komposite.
DE58902848D1 (de) Einrichtung zur aufnahme von katalysatoren, insbesondere bei der erzeugung von synthesegas.
ATE85612T1 (de) Verbessertes verfahren zur katalytischen hydrierung von dahnp und zur herstellung von dafhp.
BR8404816A (pt) Processo para obtencao de catalisador para ciano-hidrinacao,processo para diretamente preparar ou ativar catalisador,processo para producao de catalisador para ciano-hidrinacao com elevada seletividade enantiomerica,processo para aumentar seletividade enantiomerica de catalisador para ciano-hidrinacao e processo para ciano-hidrinacao de aldeidos e cetonas com elevada seletividade enantiomerica
RO94664B1 (ro) Procedeu de preparare a unei rasini alchil-fenol-formaldehidice pentru industria cauciucului
ATE45137T1 (de) Heterogener katalysator.
DE3760809D1 (en) Melamine-formaldehyde condensation products comprising sulphonic-acid groups, process for making them and their use
IE891461L (en) Process for preparing 5-c-hydroxymethyl aldohexose-based¹compounds
DE3760246D1 (en) Process for the preparation of 4-monoacetals of 2-methyl-2-butene-1,4-dial
PL261963A1 (en) Procedure for the production of urea-formaldehyde resin adhesives for wood-working industry
RO93137B1 (ro) PROCEDEU PENTRU OBTINEREA UNOR RASINI EPOXIDOFENOLFORMALDEHIDICE, UTILIZABILE îN ELECTROTEHNICA
RO98487B1 (ro) Rasini epoxidice modificate
RO97422B1 (ro) Compozitie pe baza de rasini sintetice
EP0273794A3 (en) Process for producing aminoplast binders
PL262323A1 (en) Filling material for the production of adhesives,especially urea-formaldehyde resins
RO86610B1 (ro) PROCEDEU DE OBTINERE A UNEI RASINI ADEZIVE PENTRU îNCLEIEREA LEMNULUI STRATIFICAT
HUT42104A (en) Process for the production of chrome compounds and solid, carrier catalysts comprising them, as well as for the polymerization of ethylene by using the catalysts
RO100883B1 (ro) Procedeu de obtinere a unor rasini fenolformaldehidice