ES8605604A1 - Procedimiento para la fabricacion de papel neutro - Google Patents
Procedimiento para la fabricacion de papel neutroInfo
- Publication number
- ES8605604A1 ES8605604A1 ES547718A ES547718A ES8605604A1 ES 8605604 A1 ES8605604 A1 ES 8605604A1 ES 547718 A ES547718 A ES 547718A ES 547718 A ES547718 A ES 547718A ES 8605604 A1 ES8605604 A1 ES 8605604A1
- Authority
- ES
- Spain
- Prior art keywords
- calcium carbonate
- water
- alkaline
- mixture
- manufacture
- 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
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/76—Processes or apparatus for adding material to the pulp or to the paper characterised by choice of auxiliary compounds which are added separately from at least one other compound, e.g. to improve the incorporation of the latter or to obtain an enhanced combined effect
- D21H23/765—Addition of all compounds to the pulp
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/62—Rosin; Derivatives thereof
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/66—Salts, e.g. alums
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/675—Oxides, hydroxides or carbonates
Abstract
PROCEDIMIENTO PARA LA FABRICACION DE PAPEL NEUTRO A PARTIR DE CELULOSA Y UTILIZANDO COMO SISTEMA ENCOLANTE COLOFONIA-SULFATO DE ALUMINIO. COMPRENDE LAS SIGUIENTES OPERACIONES: PRIMERA, SE DESFIBRA LA CELULOSA Y SE FORMA UNA MASA DE FIBRAS EN SUSPENSION; SEGUNDA, A LA MASA DE FIBRAS FORMADA SE LE AGREGA UN ENCOLANTE Y TAMBIEN SULFATO DE ALUMINIO; TERCERA, SE CONTROLA EL PH DE LA MASA DE FIBRAS HASTA UN PH DE 4,2 PARA PRECIPITAR EL ENCOLANTE; CUARTA, SE HOMOGENEIZA EL SISTEMA Y SE LE AGREGA UNA SUSTANCIA NEUTRALIZANTE HASTA OBTENER UN PH DE 7 O MAS; QUINTA, SE AGREGA LA CARGA Y EL RESTO DE ADITIVOS Y SE PROCEDE A ELIMINAR AGUA POR MEDIOS MECANICOS Y TERMICOS; Y POR ULTIMO, SE LE DA EL ACABADO A LA HOJA DE PAPEL RESULTANTE.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US65936184A | 1984-10-10 | 1984-10-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
ES547718A0 ES547718A0 (es) | 1986-03-16 |
ES8605604A1 true ES8605604A1 (es) | 1986-03-16 |
Family
ID=24645089
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES547718A Expired ES8605604A1 (es) | 1984-10-10 | 1985-10-09 | Procedimiento para la fabricacion de papel neutro |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0178033A3 (es) |
BR (1) | BR8505044A (es) |
ES (1) | ES8605604A1 (es) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07100391B2 (ja) * | 1991-08-15 | 1995-11-01 | 日本製紙株式会社 | インクジェット記録用紙 |
US5833807A (en) * | 1997-04-17 | 1998-11-10 | E. I. Du Pont De Nemours And Company | Aramid dispersions and aramid sheets of increased uniformity |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1803642A (en) * | 1928-09-05 | 1931-05-05 | Raffold Process Corp | Paper product and method of making the same |
US2109931A (en) * | 1935-08-28 | 1938-03-01 | Du Pont | Paper sizing |
DE813486C (de) * | 1949-03-25 | 1951-09-13 | Johannes Behnke | Verfahren zur Verbesserung des Leimungseffektes bei der Herstellung von Papier, Karton oder Pappe |
SU711219A1 (ru) * | 1977-12-20 | 1980-01-28 | Ленинградская Ордена Ленина Лесотехническая Академия Им.С.М.Кирова | Способ проклейки бумаги в массе |
-
1985
- 1985-10-09 ES ES547718A patent/ES8605604A1/es not_active Expired
- 1985-10-10 BR BR8505044A patent/BR8505044A/pt unknown
- 1985-10-10 EP EP85201656A patent/EP0178033A3/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
EP0178033A3 (en) | 1987-01-28 |
ES547718A0 (es) | 1986-03-16 |
BR8505044A (pt) | 1986-07-29 |
EP0178033A2 (en) | 1986-04-16 |
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