PL396432A1 - Method for obtaining a modified resole resin - Google Patents

Method for obtaining a modified resole resin

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Publication number
PL396432A1
PL396432A1 PL396432A PL39643211A PL396432A1 PL 396432 A1 PL396432 A1 PL 396432A1 PL 396432 A PL396432 A PL 396432A PL 39643211 A PL39643211 A PL 39643211A PL 396432 A1 PL396432 A1 PL 396432A1
Authority
PL
Poland
Prior art keywords
phenol
formaldehyde
urea
resin
benzylphenol
Prior art date
Application number
PL396432A
Other languages
Polish (pl)
Other versions
PL217012B1 (en
Inventor
Bronislaw Kaledkowski
Edward Jasiński
Mariusz Szemień
Halina Goliszewska
Danuta Kania
Janina Gil
Grażyna Bieniek
Bolesław Łoziński
Janina Fila
Original Assignee
Instytut Ciezkiej Syntezy Organicznej Blachownia
Lerg Spółka Akcyjna
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 Instytut Ciezkiej Syntezy Organicznej Blachownia, Lerg Spółka Akcyjna filed Critical Instytut Ciezkiej Syntezy Organicznej Blachownia
Priority to PL396432A priority Critical patent/PL217012B1/en
Publication of PL396432A1 publication Critical patent/PL396432A1/en
Publication of PL217012B1 publication Critical patent/PL217012B1/en

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  • Phenolic Resins Or Amino Resins (AREA)
  • Laminated Bodies (AREA)

Abstract

Sposób wytwarzania modyfikowanej zywicy rezolowej w procesie polikondensacji fenolu z formaldehydem realizowanym w obecnosci katalizatorów zasadowych a nastepnie reakcje z mocznikiem, rozcienczenie otrzymanej zywicy alkoholami C1÷C4 lub ich mieszanina polega na tym, ze w pierwszym etapie prowadzi sie kondensacje fenolu i benzylofenolu z formaldehydem w obecnosci wodorotlenków metali alkalicznych i/lub amoniaku przy stosunku molowym fenol : formaldehyd : katalizator wynoszacym 1 : 1,4÷1,8 : 0,005÷0,15, przy czym ilosc benzylofenolu wynosi 0,1 ÷ 7 czesci wagowych na 100 czesci wagowe fenolu, w temperaturze 55÷100°C, w czasie pozwalajacym na uzyskanie czasu zelowania 100÷350 s, po czym w drugim etapie prowadzi sie reakcje z mocznikiem przy stosunku molowym 0,001÷0,3 mola mocznika/1 mol fenolu a nastepnie zywice rozciencza sie glikolami o wzorze HO(CH2CH2)nOH, gdzie n = 1÷2 i/lub alkoholami C1÷C4 lub ich mieszaninami.The method of producing modified resole resin in the process of polycondensation of phenol with formaldehyde carried out in the presence of basic catalysts followed by reactions with urea, dilution of the resulting resin with C1 to C4 alcohols or a mixture thereof consists in the first stage of condensation of phenol and benzylphenol with formaldehyde in the presence of alkali metal hydroxides and / or ammonia at a phenol: formaldehyde: catalyst ratio of 1: 1.4 ÷ 1.8: 0.005 ÷ 0.15, the amount of benzylphenol being 0.1 ÷ 7 parts by weight per 100 parts by weight of phenol, at a temperature of 55 ÷ 100 ° C, in a time allowing to obtain a gel time of 100 ÷ 350 s, then in the second stage reactions with urea are carried out at a molar ratio of 0.001 ÷ 0.3 mole urea / 1 mole phenol and then the resin is diluted with glycols of the formula HO (CH2CH2) nOH, where n = 1 ÷ 2 and / or C1 ÷ C4 alcohols or mixtures thereof.

PL396432A 2011-09-26 2011-09-26 Method for obtaining a modified resole resin PL217012B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL396432A PL217012B1 (en) 2011-09-26 2011-09-26 Method for obtaining a modified resole resin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL396432A PL217012B1 (en) 2011-09-26 2011-09-26 Method for obtaining a modified resole resin

Publications (2)

Publication Number Publication Date
PL396432A1 true PL396432A1 (en) 2013-04-02
PL217012B1 PL217012B1 (en) 2014-06-30

Family

ID=48040833

Family Applications (1)

Application Number Title Priority Date Filing Date
PL396432A PL217012B1 (en) 2011-09-26 2011-09-26 Method for obtaining a modified resole resin

Country Status (1)

Country Link
PL (1) PL217012B1 (en)

Also Published As

Publication number Publication date
PL217012B1 (en) 2014-06-30

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