GB517258A - Improvements in the manufacture of paper - Google Patents
Improvements in the manufacture of paperInfo
- Publication number
- GB517258A GB517258A GB3082738A GB3082738A GB517258A GB 517258 A GB517258 A GB 517258A GB 3082738 A GB3082738 A GB 3082738A GB 3082738 A GB3082738 A GB 3082738A GB 517258 A GB517258 A GB 517258A
- Authority
- GB
- United Kingdom
- Prior art keywords
- water
- aluminium
- phosphate
- gallons
- lbs
- 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
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
-
- 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
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/38—Coatings with pigments characterised by the pigments
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
Abstract
517,258. Aluminium phosphate pigments. BURGESS, A. F. (Paper Patents Co.). Oct. 25, 1938, No. 30827. [Class 1 (iii)] [Also 'in Group VIII] In the preparation of acidic or basic aluminium phosphate, double phosphate or alkali or alkaline earth-aluminium phosphate pigments for use in paper-manufacture, 1.-600 lbs. each of sodium and aluminium hydrates are boiled 20-30 mins. in 290 gallons of water until the solution is clear, diluted to 720 gallons with water and added slowly to 720 gallons of water to which separately, but at the same time, is added diluted phosphoric acid, alumium sulphate is then added to give pH=5 and the precipated filtered. II.-A solution of phosphoric acid in water is mixed with 720 lbs. of iron-free aluminium sulphate in 720 lbs. of water, and an aqueous suspension of calcium hydroxide (100 grams per litre) until pH rises to 5-5.2, and the calcium aluminium phosphate complex filtered. Phosphoric acid may be partially or wholly replaced by alkali phosphates, e.g., disodium phosphate, and oxides or carbonate may replace hydroxide of alkali or alkaline earth metals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3082738A GB517258A (en) | 1938-10-25 | 1938-10-25 | Improvements in the manufacture of paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3082738A GB517258A (en) | 1938-10-25 | 1938-10-25 | Improvements in the manufacture of paper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB517258A true GB517258A (en) | 1940-01-24 |
Family
ID=10313745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3082738A Expired GB517258A (en) | 1938-10-25 | 1938-10-25 | Improvements in the manufacture of paper |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB517258A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010093693A1 (en) * | 2009-02-10 | 2010-08-19 | Bunge Fertilizates S.A. | Use of aluminum phosphate, polyphosphate and metaphosphate particles in paper coating applications |
| US9840625B2 (en) | 2010-10-15 | 2017-12-12 | Bunge Amorphic Solutions Llc | Coating compositions with anticorrosion properties |
-
1938
- 1938-10-25 GB GB3082738A patent/GB517258A/en not_active Expired
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010093693A1 (en) * | 2009-02-10 | 2010-08-19 | Bunge Fertilizates S.A. | Use of aluminum phosphate, polyphosphate and metaphosphate particles in paper coating applications |
| JP2012517537A (en) * | 2009-02-10 | 2012-08-02 | ブンゲ フェルチリザンテス エス．エー． | Use of aluminum phosphate, aluminum polyphosphate and aluminum metaphosphate particles in paper coating applications |
| AU2010213871B2 (en) * | 2009-02-10 | 2014-10-02 | Bunge Fertilizantes S.A. | Use of aluminum phosphate, polyphosphate and metaphosphate particles in paper coating applications |
| CN106638130A (en) * | 2009-02-10 | 2017-05-10 | 鲍吉肥料公司 | Use of aluminum phosphate, polyphosphate and metaphosphate particles in paper coating applications |
| US9840625B2 (en) | 2010-10-15 | 2017-12-12 | Bunge Amorphic Solutions Llc | Coating compositions with anticorrosion properties |
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