ES8601163A1 - Un procedimiento para el tratamiento de la madera y de la pasta de madera - Google Patents

Un procedimiento para el tratamiento de la madera y de la pasta de madera

Info

Publication number
ES8601163A1
ES8601163A1 ES536401A ES536401A ES8601163A1 ES 8601163 A1 ES8601163 A1 ES 8601163A1 ES 536401 A ES536401 A ES 536401A ES 536401 A ES536401 A ES 536401A ES 8601163 A1 ES8601163 A1 ES 8601163A1
Authority
ES
Spain
Prior art keywords
wood
improving
pulp properties
processing
pulp
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES536401A
Other languages
English (en)
Other versions
ES536401A0 (es
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Melamine Chemicals Inc
Original Assignee
Melamine Chemicals Inc
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
Priority claimed from US06/537,876 external-priority patent/US4487656A/en
Application filed by Melamine Chemicals Inc filed Critical Melamine Chemicals Inc
Publication of ES536401A0 publication Critical patent/ES536401A0/es
Publication of ES8601163A1 publication Critical patent/ES8601163A1/es
Expired legal-status Critical Current

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Abstract

METODO DE PRODUCCION DE PASTA DE PAPEL A PARTIR DE MADERA. COMPRENDE EL CORTE Y ASTILLADO DE LOS TRONCOS DE MADERA DIGESTION DE LAS ASTILLAS EN UNA OPERACION QUIMICA SEMIQUIMICA O TERMOMECANICA PARA SEPARAR LA LIGUINA Y SOMETER LA PASTA DE MADERA ASI FORMASA A OPERACIONES DE BLANQUEO REFINADO Y OTRAS OPERACIONES TODAS DE FORMA CONVENCIONAL SALVO QUE SE ADICIONA EN CUALQUIERA DE LAS FASES DEL PROCESO UN COMPUESTO DE 1-TRIAZINA DE FORMULA (I) EN LA QUE X ES AMINO O HIDROXI. ESTA PASTA DE MADERA TIENE APLICACIONES PARA LA FABRICACION DE PRODUCTOS DE PAPEL.
ES536401A 1983-09-30 1984-09-28 Un procedimiento para el tratamiento de la madera y de la pasta de madera Expired ES8601163A1 (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US53792783A 1983-09-30 1983-09-30
US53792683A 1983-09-30 1983-09-30
US06/537,876 US4487656A (en) 1983-09-30 1983-09-30 Process for bleaching paper pulp using melamine as a viscosity stabilizer

Publications (2)

Publication Number Publication Date
ES536401A0 ES536401A0 (es) 1985-10-16
ES8601163A1 true ES8601163A1 (es) 1985-10-16

Family

ID=27415261

Family Applications (1)

Application Number Title Priority Date Filing Date
ES536401A Expired ES8601163A1 (es) 1983-09-30 1984-09-28 Un procedimiento para el tratamiento de la madera y de la pasta de madera

Country Status (1)

Country Link
ES (1) ES8601163A1 (es)

Also Published As

Publication number Publication date
ES536401A0 (es) 1985-10-16

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Legal Events

Date Code Title Description
MM4A Patent lapsed

Effective date: 19960506