GB761933A - Production of sizing materials - Google Patents
Production of sizing materialsInfo
- Publication number
- GB761933A GB761933A GB22292/54A GB2229254A GB761933A GB 761933 A GB761933 A GB 761933A GB 22292/54 A GB22292/54 A GB 22292/54A GB 2229254 A GB2229254 A GB 2229254A GB 761933 A GB761933 A GB 761933A
- Authority
- GB
- United Kingdom
- Prior art keywords
- acid
- alkaline material
- per cent
- mol
- rosin
- 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
- D21H17/62—Rosin; Derivatives thereof
Landscapes
- Paper (AREA)
Abstract
A resin dispersion suitable for sizing paper is prepared by dissolving maleic acid or anhydride or fumaric acid in molten rosin, adding an alkaline material and water, and heating to 150-500 DEG C. under a pressure of 250-1000 lb./sq. in. The alkaline material, which may be caustic soda, soda ash, ammonia, mono-ethanolamine, morpholine or trisodium phosphate, is preferably in sufficient quantity to yield products having acid numbers between +35 and - 10. Reaction time is from 30 secs. to 60 mins. The rosin preferably contains less than 0.2 per cent volatile ingredients, and is reacted, per mol., with 0.05 to 0.7 mol. of acid. The final dispersions contain 40-80 per cent solids. Specification 755,149 is referred to.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US761933XA | 1953-07-31 | 1953-07-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB761933A true GB761933A (en) | 1956-11-21 |
Family
ID=22130505
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB22292/54A Expired GB761933A (en) | 1953-07-31 | 1954-07-30 | Production of sizing materials |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB761933A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1095101B (en) * | 1956-12-19 | 1960-12-15 | Becker & Company Ltd | Process for producing a glue for paper |
-
1954
- 1954-07-30 GB GB22292/54A patent/GB761933A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1095101B (en) * | 1956-12-19 | 1960-12-15 | Becker & Company Ltd | Process for producing a glue for paper |
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