GB1125956A - A process for the production of paper with a low dielectric loss factor - Google Patents
A process for the production of paper with a low dielectric loss factorInfo
- Publication number
- GB1125956A GB1125956A GB3900565A GB3900565A GB1125956A GB 1125956 A GB1125956 A GB 1125956A GB 3900565 A GB3900565 A GB 3900565A GB 3900565 A GB3900565 A GB 3900565A GB 1125956 A GB1125956 A GB 1125956A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cellulose
- paper
- water
- oxide
- treated
- 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
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/001—Modification of pulp properties
- D21C9/002—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
-
- 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
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/16—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only modified by a particular after-treatment
- D21H11/20—Chemically or biochemically modified fibres
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/48—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances fibrous materials
- H01B3/52—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances fibrous materials wood; paper; press board
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Biochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Paper (AREA)
Abstract
1,125,956. Cellulosic pulps; paper. FIDES TREUHAND-VEREINIGUNG. 13 Sept., 1965 [14 Sept.. 1964], No. 39005/65. Headings D2B and D2W. Paper having a low dielectric loss is obtained by treating an aqueous dispersion of finelydivided cellulose comprising at least 80% of alpha-cellulose with an aqueous solution of a water-soluble salt, oxide or hydroxide of lead, mercury, nickel, beryllium, aluminium, germanium, cadmium, tin, zinc or zirconium, washing the treated cellulose with water and converting the washed cellulose into paper the washed cellulose comprising substantially the sole cellulose constituent of the paper. The aqueous suspension may be placed in an electrolytic tank having an anode, which may be a wall of the tank of a separate anode, of one of the metals listed, and the water-soluble salt, oxide or hydroxide formed therein. The cathode may then be in a compartment separated from the reaction compartment by a cation-exchange diaphragm. The water in which the salt is dissolved, and that used to wash the treated pulp may be deionized. The pulp to be treated may be first washed with an acid to remove ashforming constituents, and in this case the watersoluble salt, oxide or hydroxide may serve to neutralize excess acid.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEP0035062 | 1964-09-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1125956A true GB1125956A (en) | 1968-09-05 |
Family
ID=7374019
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3900565A Expired GB1125956A (en) | 1964-09-14 | 1965-09-13 | A process for the production of paper with a low dielectric loss factor |
Country Status (6)
Country | Link |
---|---|
CH (1) | CH442961A (en) |
DE (1) | DE1546428B2 (en) |
FI (1) | FI52232C (en) |
GB (1) | GB1125956A (en) |
NL (1) | NL6511529A (en) |
SE (1) | SE312066B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140045684A1 (en) * | 2010-07-28 | 2014-02-13 | Nippon Paper Papylia Co., Ltd. | Water-dispersible paper |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53142652A (en) * | 1977-05-17 | 1978-12-12 | Nippon Kodoshi Kogyo Kk | Paper for electrolytic capacitor |
-
1964
- 1964-09-14 DE DE19641546428 patent/DE1546428B2/en active Granted
-
1965
- 1965-09-02 CH CH1159465A patent/CH442961A/en unknown
- 1965-09-03 NL NL6511529A patent/NL6511529A/xx unknown
- 1965-09-13 SE SE1189565A patent/SE312066B/xx unknown
- 1965-09-13 GB GB3900565A patent/GB1125956A/en not_active Expired
- 1965-09-14 FI FI220165A patent/FI52232C/en active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140045684A1 (en) * | 2010-07-28 | 2014-02-13 | Nippon Paper Papylia Co., Ltd. | Water-dispersible paper |
US8877678B2 (en) * | 2010-07-28 | 2014-11-04 | Nippon Paper Papylia Co., Ltd. | Water-dispersible paper |
US9388532B2 (en) | 2010-07-28 | 2016-07-12 | Nippon Paper Papylia Co., Ltd. | Water-dispersible paper |
Also Published As
Publication number | Publication date |
---|---|
FI52232C (en) | 1977-07-11 |
DE1546428A1 (en) | 1969-07-24 |
DE1546428C3 (en) | 1973-10-11 |
SE312066B (en) | 1969-06-30 |
NL6511529A (en) | 1966-03-15 |
DE1546428B2 (en) | 1973-03-22 |
FI52232B (en) | 1977-03-31 |
CH442961A (en) | 1967-08-31 |
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