RO92634B1 - Procedeu de obtinere a unor rasini alchilformaldehidice - Google Patents

Procedeu de obtinere a unor rasini alchilformaldehidice

Info

Publication number
RO92634B1
RO92634B1 RO119810A RO11981085A RO92634B1 RO 92634 B1 RO92634 B1 RO 92634B1 RO 119810 A RO119810 A RO 119810A RO 11981085 A RO11981085 A RO 11981085A RO 92634 B1 RO92634 B1 RO 92634B1
Authority
RO
Romania
Prior art keywords
formaldehyde resins
preparation
preparing alkyl
adhesives
alkyl formaldehyde
Prior art date
Application number
RO119810A
Other languages
English (en)
Other versions
RO92634A2 (ro
Inventor
Ana Popescu
Delia Aldea
Elena Stan
Sanda Rey
Costel Stefan
Constanta Ioan
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 RO119810A priority Critical patent/RO92634B1/ro
Publication of RO92634A2 publication Critical patent/RO92634A2/ro
Publication of RO92634B1 publication Critical patent/RO92634B1/ro

Links

Landscapes

  • Phenolic Resins Or Amino Resins (AREA)

Abstract

Inventia se refera la un procedeu de obtinere a unor rasini alchilfenolformaldehidice utilizate drept componente de baza în prepararea de adezivi policloroprenici speciali, destinati industriei de autoturisme, prin reactia dintre un alchifenol formaldehida sau paraformaldehida, descompunerea metiolderivatului cu acid, condensarea pana la obtinerea unui interval de topire de 65..85grade C si diluarea cu un solvent aromatic, pana la un continut de substante nevolatile de 50..70%. Produsul obtinut permite obtinerea unor adezivi cu caracteristici superioare.
RO119810A 1985-08-09 1985-08-09 Procedeu de obtinere a unor rasini alchilformaldehidice RO92634B1 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO119810A RO92634B1 (ro) 1985-08-09 1985-08-09 Procedeu de obtinere a unor rasini alchilformaldehidice

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO119810A RO92634B1 (ro) 1985-08-09 1985-08-09 Procedeu de obtinere a unor rasini alchilformaldehidice

Publications (2)

Publication Number Publication Date
RO92634A2 RO92634A2 (ro) 1987-09-30
RO92634B1 true RO92634B1 (ro) 1987-10-01

Family

ID=20117779

Family Applications (1)

Application Number Title Priority Date Filing Date
RO119810A RO92634B1 (ro) 1985-08-09 1985-08-09 Procedeu de obtinere a unor rasini alchilformaldehidice

Country Status (1)

Country Link
RO (1) RO92634B1 (ro)

Also Published As

Publication number Publication date
RO92634A2 (ro) 1987-09-30

Similar Documents

Publication Publication Date Title
SE7707242L (sv) Sett for framstellning av vattenhaltiga formaldehydhartslosningar
SE8406166D0 (sv) A process for preparing a urea-formaldehyde resin having a very low mole ratio of formaldehyde to urea
ATE50582T1 (de) Verfahren zur herstellung von glyphosat und glyphosatderivaten.
RO92634B1 (ro) Procedeu de obtinere a unor rasini alchilformaldehidice
ATE754T1 (de) Verfahren zur herstellung weitgehend monomerer methylveraetherter methylolmelamine.
EP0277926A3 (en) A method for the production of amino resin
DK547987A (da) Fremgangsmaade til kondensation af aromatiske forbindelser med carbonylforbindelser
FR2384011A1 (fr) Liants pour peintures et vernis applicables par electrodeposition cathodique
AU8872582A (en) Sulfamic acid - aldehyde polycondensates
ATE14138T1 (de) Dispersion auf der basis von selbsthaertenden mischungen, verfahren zu deren herstellung und deren verwendung.
GB1190685A (en) Process for preparing Paraformaldehyde
FR2371417A1 (fr) Procede perfectionne pour la preparation de polyamines aromatiques polycycliques
FR2298562A1 (fr) Procede pour la preparation de condensats pulverulents de melamine et de formaldehyde
ATE41422T1 (de) Verfahren zur kontinuierlichen herstellung von trioxan.
GB1273371A (en) Improvements in partially n-alkylated diphenylmethane bases as new curing agents for epoxy resins
RO97955B1 (ro) Procedeu pentru obtinerea de lacuri electroizolante
IE40333B1 (en) Derivatives of 1-phenoxy-3-aminopropan-2-ol and process for their preparation
DK0520377T3 (da) Fremgangsmåde til selektiv fremstilling af 4,4-methylen-bis-(N-phenylalkylcarbamat)
ES269242A2 (es) Procedimiento para la preparaciën de productos resinosos particularmente adecuados en la fabricaciën de fibras textiles a base de polimeros sinteticos
EP0307751A3 (en) 3-mono- and 3,5-disubstituted-4-acetoxy and -4-hydroxystyrenes and process for their production
RO81615B (ro) Procedeu pentru obtinerea unor derivati de nitrobenzonitril
RO100883B1 (ro) Procedeu de obtinere a unor rasini fenolformaldehidice
RO96380B1 (ro) Procedeu de obtinere a hidrazobisciclopentancarbonitrilului
DK437787A (da) 2,6-bis-(chlormethyloxy-carbonyloxymethyl)-pyridinsamt fremgangsmaade til fremstilling deraf
RO98179B1 (ro) Compozitie pe baza de rasini epoxidice modificate pentru mase de turnare si procedeu de obtinere a acesteia