PL70052B2 - - Google Patents

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Publication number
PL70052B2
PL70052B2 PL14527770A PL14527770A PL70052B2 PL 70052 B2 PL70052 B2 PL 70052B2 PL 14527770 A PL14527770 A PL 14527770A PL 14527770 A PL14527770 A PL 14527770A PL 70052 B2 PL70052 B2 PL 70052B2
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PL
Poland
Prior art keywords
melamine
formaldehyde
amine
compound
mole
Prior art date
Application number
PL14527770A
Other languages
Polish (pl)
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.)
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Publication date
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Priority to PL14527770A priority Critical patent/PL70052B2/pl
Publication of PL70052B2 publication Critical patent/PL70052B2/pl

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  • Phenolic Resins Or Amino Resins (AREA)

Claims (3)

1. zastrzezenia patentowe 1. Sposób wytwarzania plastyfikowanych zywic i tworzyw aminowych o malej zawartosci wolnego formalde¬ hydu, znamienny tym, ze jako skladnik prekondensatu zywicy lub tloczywa aminowo-formaldehydowego a w szczególnosci mocznikowo-formaldehydowego, melaminowo-formaldehydowego lub mocznikowo-melamino- wo-formaldehydowego, wprowadza sie zwiazek lub ich mieszanine otrzymane przez ogrzanie 0,8—1,5 korzystnie 1,0—1,2 mola formaliny o stezeniu ponizej 20% i pH nie nizej 8 z 1 molem melaminy i nie mniej niz l/n mola alkoholu zawierajacego ngrup wodorotlenowych gdzie n 1, do temperatury 75-100°C, zakwaszenie do pH ponizej 6,5, zobojetnienie do pH 6,5—11 korzystnie 9-10, oddestylowanie zbednego nadmiaru wody i schlodze¬ nie.1. Patent claims 1. A method for the production of plasticized amino resins and amine plastics with a low content of free formaldehyde, characterized by the fact that as a component of resin precondensate or amine-formaldehyde molding compound, in particular urea-formaldehyde, melamine-formaldehyde or urea-melamine compound, formaldehyde, a compound or their mixture obtained by heating 0.8-1.5, preferably 1.0-1.2 moles of formalin with a concentration below 20% and pH not lower than 8 with 1 mole of melamine and not less than 1 / n mole, is introduced alcohol containing hydroxyl groups where n 1, to a temperature of 75-100 ° C, acidification to a pH below 6.5, neutralization to a pH of 6.5-11, preferably 9-10, distillation of excess water and cooling. 2. Sposób wedlug zastrz. 1, znamienny tym, ze stosuje sie jednopodstawiona melamine, a w szczególnosci etery jednometylolomelaminy i alkoholi wielowodorotlenowych, korzystnie glikoli (polietylenowych).2. The method according to claim The process of claim 1, characterized in that monosubstituted melamine, in particular monomethylol melamine ethers, and polyhydric alcohols, preferably (polyethylene) glycols, are used. 3. Sposób wedlug zastrz. 2, znamienny tym, ze etery metylolomelaminy i alkoholi wielowodorotlenowych' wprowadza sie w dowolnym etapie otrzymywania prekondensatu, zywicy lub tloczywa aminowego.KI. 39bs,9/32 70 052 MKP C08g 9/32 NH CHjO R (OH)JoCHjNH CsNj(NHJz] A m NH CH,0 (CH,CH,0) JCH^NH C^tJHjJ^H, C N' NN I U Wzór Z Prac. Poligraf. UP PRL. zam.l4 3'/74 naklad 120+18 Cena 10 zl. PL PL3. The method according to p. The process of claim 2, wherein the methylol melamine ethers of polyhydric alcohols are introduced at any stage in the preparation of the precondensate, resin or amine mold. 39bs, 9/32 70 052 MKP C08g 9/32 NH CHjO R (OH) JoCHjNH CsNj (NHJz] A m NH CH, 0 (CH, CH, 0) JCH ^ NH C ^ tJHjJ ^ H, CN 'NN IU Formula Z Prac. Poligraf. UP PRL. Order l4 3 '/ 74 circulation 120 + 18 Price PLN 10 PL PL
PL14527770A 1970-12-28 1970-12-28 PL70052B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL14527770A PL70052B2 (en) 1970-12-28 1970-12-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL14527770A PL70052B2 (en) 1970-12-28 1970-12-28

Publications (1)

Publication Number Publication Date
PL70052B2 true PL70052B2 (en) 1974-02-28

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ID=19953054

Family Applications (1)

Application Number Title Priority Date Filing Date
PL14527770A PL70052B2 (en) 1970-12-28 1970-12-28

Country Status (1)

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PL (1) PL70052B2 (en)

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