RU2013119173A - METHOD FOR MANUFACTURING ADHESIVE FOR PRODUCING GLUED WOODEN BAR - Google Patents

METHOD FOR MANUFACTURING ADHESIVE FOR PRODUCING GLUED WOODEN BAR Download PDF

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RU2013119173A
RU2013119173A RU2013119173/05A RU2013119173A RU2013119173A RU 2013119173 A RU2013119173 A RU 2013119173A RU 2013119173/05 A RU2013119173/05 A RU 2013119173/05A RU 2013119173 A RU2013119173 A RU 2013119173A RU 2013119173 A RU2013119173 A RU 2013119173A
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Russia
Prior art keywords
formaldehyde
mixture
urea
containing component
reaction mixture
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RU2013119173/05A
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Russian (ru)
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RU2534549C1 (en
Inventor
Вячеслав Ефимович Цветков
Наталья Николаевна Цветкова
Светлана Вячеславовна Приорова
Мария Владимировна Разуваева
Ольга Павловна Мачнева
Мария Юрьевна Зуева
Владимир Иванович Колчев
Евгения Викторовна Колчева
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Вячеслав Ефимович Цветков
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  • Adhesives Or Adhesive Processes (AREA)
  • Phenolic Resins Or Amino Resins (AREA)

Abstract

Способ изготовления клея для производства клееного деревянного бруса, включающий загрузку формальдегидосодержащего компонента, едкого натра, загрузку карбамида, нагрев реакционной смеси, выдержку, после чего добавляют хлористый аммоний до рН смеси 4,9-5,1, затем смесь выдерживают, после чего добавляют раствор едкого натра до рН смеси 9,8-10,2 и загружают меламин, проводят конденсацию, затем реакционную смесь охлаждают, отличающийся тем, что в качестве формальдегидосодержащего компонента используют карбамидоформальдегидный концентрат, доведенный до рабочего значения концентрации ионов водорода солями полифункциональных органических кислот.A method of manufacturing an adhesive for the production of glued wooden beams, including loading a formaldehyde-containing component, caustic soda, loading urea, heating the reaction mixture, aging, then add ammonium chloride to a pH of 4.9-5.1, then the mixture is kept, after which a solution is added sodium hydroxide to a mixture pH of 9.8-10.2 and melamine is charged, condensation is carried out, then the reaction mixture is cooled, characterized in that a urea-formaldehyde concentrate is used as a formaldehyde-containing component, enny to working concentrations of hydrogen ion salts of polyfunctional organic acids.

Claims (1)

Способ изготовления клея для производства клееного деревянного бруса, включающий загрузку формальдегидосодержащего компонента, едкого натра, загрузку карбамида, нагрев реакционной смеси, выдержку, после чего добавляют хлористый аммоний до рН смеси 4,9-5,1, затем смесь выдерживают, после чего добавляют раствор едкого натра до рН смеси 9,8-10,2 и загружают меламин, проводят конденсацию, затем реакционную смесь охлаждают, отличающийся тем, что в качестве формальдегидосодержащего компонента используют карбамидоформальдегидный концентрат, доведенный до рабочего значения концентрации ионов водорода солями полифункциональных органических кислот. A method of manufacturing an adhesive for the production of glued wooden beams, including loading a formaldehyde-containing component, caustic soda, loading urea, heating the reaction mixture, aging, then add ammonium chloride to a pH of 4.9-5.1, then the mixture is kept, after which a solution is added sodium hydroxide to a mixture pH of 9.8-10.2 and melamine is charged, condensation is carried out, then the reaction mixture is cooled, characterized in that a urea-formaldehyde concentrate is used as a formaldehyde-containing component, enny to working concentrations of hydrogen ion salts of polyfunctional organic acids.
RU2013119173/05A 2013-04-25 2013-04-25 Method of production of adhesive for production of laminated timber beam RU2534549C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2013119173/05A RU2534549C1 (en) 2013-04-25 2013-04-25 Method of production of adhesive for production of laminated timber beam

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2013119173/05A RU2534549C1 (en) 2013-04-25 2013-04-25 Method of production of adhesive for production of laminated timber beam

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RU2013119173A true RU2013119173A (en) 2014-10-27
RU2534549C1 RU2534549C1 (en) 2014-11-27

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Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3108279A1 (en) * 1981-03-05 1982-09-16 Schaum-Chemie Wilhelm Bauer GmbH & Co KG, 4300 Essen METHOD FOR PRODUCING MODIFIED AMINOPLAST RESIN PRODUCTS
RU2142966C1 (en) * 1998-03-20 1999-12-20 Открытое акционерное общество "Научно-исследовательский институт пластических масс им.Г.С.Петрова" Method of preparing carbamidomelamino-formaldehyde resins
RU2215007C2 (en) * 2002-01-16 2003-10-27 ОАО "Тольяттиазот" Method for production of modified urea-melamine-formaldehyde resin
CN100516104C (en) * 2006-12-15 2009-07-22 浙江林学院 Melamine and urea modified phenolic resin and its production process
RU2436807C1 (en) * 2010-07-22 2011-12-20 Закрытое акционерное общество "Синтема" Method of producing melamine carbamide formaldehyde resin
RU2458956C1 (en) * 2011-01-20 2012-08-20 Валерий Иванович Кондращенко Adhesive

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Effective date: 20160426