METHOD FOR PRODUCTION OF WATER-SOLUBLE ACETONE-FORMALDEHYDE RESIN

FIELD: production of water-soluble acetone-formaldehyde resin. ^ SUBSTANCE: claimed resin is obtained by condensation of acetone with formaldehyde at molar ratio of 1-2 at 40-450C and pH of 11.0-11.5 to 7.0-7.5 in presence of 5 % aqua sodium hydroxide as a catalyst; evacuation; drying at 55-600C; an...

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Main Authors MANIK ALEKSANDR NIKOLAEVICH, PETUKHOVA ELENA VLADIMIROVNA, JANKOVSKIJ NIKOLAJ ANDREEVICH, STEPANOV VALERIJ ANDREEVICH, OLEJNIK ELENA VIKTOROVNA, RODYGIN MIKHAIL JUR'EVICH, MEL'NIKOVA ELENA PAVLOVNA, VISOTSKIJ SERGEJ PAVLOVICH
Format Patent
LanguageEnglish
Russian
Published 20.12.2004
Edition7
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Summary:FIELD: production of water-soluble acetone-formaldehyde resin. ^ SUBSTANCE: claimed resin is obtained by condensation of acetone with formaldehyde at molar ratio of 1-2 at 40-450C and pH of 11.0-11.5 to 7.0-7.5 in presence of 5 % aqua sodium hydroxide as a catalyst; evacuation; drying at 55-600C; and cooling of resin. Alkali catalyst is beforehand dissolved in solvent. ^ EFFECT: product with increased yield and improved quality. ^ 5 ex, 1 tbl
Bibliography:Application Number: RU20030108423