GB570411A - Stabilised paper - Google Patents
Stabilised paperInfo
- Publication number
- GB570411A GB570411A GB964743A GB964743A GB570411A GB 570411 A GB570411 A GB 570411A GB 964743 A GB964743 A GB 964743A GB 964743 A GB964743 A GB 964743A GB 570411 A GB570411 A GB 570411A
- Authority
- GB
- United Kingdom
- Prior art keywords
- paper
- resin
- ply
- wet
- stabilized
- 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
- 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
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/47—Condensation polymers of aldehydes or ketones
- D21H17/49—Condensation polymers of aldehydes or ketones with compounds containing hydrogen bound to nitrogen
- D21H17/50—Acyclic compounds
-
- 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
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/22—Addition to the formed paper
- D21H23/24—Addition to the formed paper during paper manufacture
- D21H23/26—Addition to the formed paper during paper manufacture by selecting point of addition or moisture content of the paper
- D21H23/28—Addition before the dryer section, e.g. at the wet end or press section
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
- Paper (AREA)
Abstract
570,411. Stabilized paper ; waterproofing. WATSON, J. H., and ANDERSON, H. E. June 16, 1943, Nos. 9647 and 15503. [Classes 96 and 140] Single or multiple-ply paper, e.g., made from Manilla or wood pulp, is stabilized against dimensional changes under differing temperature and humidity as disclosed in Specification 553,122 viz. by impregnating a wet web subsequently to the second wet-pressing in a paper-making machine, with a solution of the constituents of a urea-or phenol-formaldehyde or other themosetting resin or a pre-condensate thereof and condensing or polymerizing the resin, but the product of the present invention contains only 2 to 3 per cent. of resin. Ammonium phosphate may be used as a catalyst. The paper, which may be dyed, &c., may be used in patterns, templets, packing, floor coverings, or multiple ply-wood. &c.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB964743A GB570411A (en) | 1943-06-16 | 1943-06-16 | Stabilised paper |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB964743A GB570411A (en) | 1943-06-16 | 1943-06-16 | Stabilised paper |
Publications (1)
Publication Number | Publication Date |
---|---|
GB570411A true GB570411A (en) | 1945-07-05 |
Family
ID=9876032
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB964743A Expired GB570411A (en) | 1943-06-16 | 1943-06-16 | Stabilised paper |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB570411A (en) |
-
1943
- 1943-06-16 GB GB964743A patent/GB570411A/en not_active Expired
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