US463326A - Albumenized paper - Google Patents
Albumenized paper Download PDFInfo
- Publication number
- US463326A US463326A US463326DA US463326A US 463326 A US463326 A US 463326A US 463326D A US463326D A US 463326DA US 463326 A US463326 A US 463326A
- Authority
- US
- United States
- Prior art keywords
- paper
- albumenized
- mineral
- coating
- albumen
- 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 - Lifetime
Links
- 239000011248 coating agent Substances 0.000 description 9
- 238000000576 coating method Methods 0.000 description 9
- 229910052500 inorganic mineral Inorganic materials 0.000 description 9
- 239000011707 mineral Substances 0.000 description 9
- 239000000203 mixture Substances 0.000 description 9
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000004078 waterproofing Methods 0.000 description 5
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 3
- 238000003490 calendering Methods 0.000 description 3
- 229910021653 sulphate ion Inorganic materials 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 101100218970 Drosophila melanogaster borr gene Proteins 0.000 description 1
- 229910011620 Lix My Inorganic materials 0.000 description 1
- 235000010804 Maranta arundinacea Nutrition 0.000 description 1
- 229920001800 Shellac Polymers 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 235000012419 Thalia geniculata Nutrition 0.000 description 1
- 244000145580 Thalia geniculata Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229940037003 alum Drugs 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 229910021538 borax Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008240 homogeneous mixture Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- ZLGIYFNHBLSMPS-ATJNOEHPSA-N shellac Chemical compound OCCCCCC(O)C(O)CCCCCCCC(O)=O.C1C23[C@H](C(O)=O)CCC2[C@](C)(CO)[C@@H]1C(C(O)=O)=C[C@@H]3O ZLGIYFNHBLSMPS-ATJNOEHPSA-N 0.000 description 1
- 229940113147 shellac Drugs 0.000 description 1
- 235000013874 shellac Nutrition 0.000 description 1
- 239000004208 shellac Substances 0.000 description 1
- 239000004328 sodium tetraborate Substances 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C1/00—Photosensitive materials
- G03C1/76—Photosensitive materials characterised by the base or auxiliary layers
- G03C1/775—Photosensitive materials characterised by the base or auxiliary layers the base being of paper
- G03C1/79—Macromolecular coatings or impregnations therefor, e.g. varnishes
Definitions
- My invention relates to the production of an improved paper for photographic printing, and has for its object to prevent the albumen coating, which is to receive the 'subsequent sensitized coating of silver, from sinking into the body of the paper.
- the albumen coating which is to receive the 'subsequent sensitized coating of silver
- I iuterpose between the albumen coating and the surface of the paper an intermediate stratum or layer of a suitable mineral-such as sulphate of barytes (commercially known as blanc fixe) or its equivalent'capable of receiving a veryhigh finish, and whose adherence to the paper surface is insured bymeans of an adhesive waterproofing composition with which it is intermixed prior to its application.
- the result attained by my invention is a paper for photographic printing wherein the albumen coating is separated from the body of the paper by a smooth even resistant substratum of a mineral character impervious to the albumen itself, and which serves as I a barrier to prevent any impurities in the paper fromaffecting the albumeni'zed surface, or through such surface the sensitized coating of silver subsequently applied.
- my improved paper it is capable of rendering the finest detail heretofore lost in the use of the ordinary albumenized paper, and it permits the employment, while still insuring these radically better effects, of a paper requiring less care, time, and skill in its manufacture, and consequently of considerably lower cost.
- the mineral substance employed is, when added to the waterproofing composition, either an impalpable powder or in the form of a paste prepared from said powder, this minute state of subdivision being essential to the production of the smooth highly-finished facing.
- the mineral substance must also be carefully and thoroughly incorporated with the constituents of the adhesive or waterproofing composition, so as to produce a homogeneous mixture throughout, thereby securing uniformity in the final product.
- the constituents of the adhesive or waterproofing composition and the proportions thereof for use with different kinds of minerals may be considerably varied, as will be apparent to those skilled in the art. Both the paper itself and the composition should, however, be devoid of acid, and the mineral should be in such large proportion to the ingredients of the composition that the highly-calendered facing will be esthe finishing and calendering operations.
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- General Physics & Mathematics (AREA)
- Paper (AREA)
Description
NITED STAIES:
ARTHUR BOTT, OF ALBANY, NEIV YORK.
ALBUMENIZED PAPER.
SPECIFICATION forming part of Letters Patent No. 463,326, dated November 17, 1891.
Application filed October 24, 1890. Serial No. 369,195. (No specimens.)
To all whom it may concern:
Beit known that I, ARTHUR Borr, a citizen of the United States, residing at Albany, in the county of Albany and State of New York, have invented certain new and useful Improvements in Albumenized Paper; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.
My invention relates to the production of an improved paper for photographic printing, and has for its object to prevent the albumen coating, which is to receive the 'subsequent sensitized coating of silver, from sinking into the body of the paper. To this end I iuterpose between the albumen coating and the surface of the paper an intermediate stratum or layer of a suitable mineral-such as sulphate of barytes (commercially known as blanc fixe) or its equivalent'capable of receiving a veryhigh finish, and whose adherence to the paper surface is insured bymeans of an adhesive waterproofing composition with which it is intermixed prior to its application.
The result attained by my invention is a paper for photographic printing wherein the albumen coating is separated from the body of the paper by a smooth even resistant substratum of a mineral character impervious to the albumen itself, and which serves as I a barrier to prevent any impurities in the paper fromaffecting the albumeni'zed surface, or through such surface the sensitized coating of silver subsequently applied. By reason of these distinguishing characteristics of my improved paper it is capable of rendering the finest detail heretofore lost in the use of the ordinary albumenized paper, and it permits the employment, while still insuring these radically better effects, of a paper requiring less care, time, and skill in its manufacture, and consequently of considerably lower cost.
In carrying out my invention I first prepare a highly-sized and highly-calendered paper free from metallic substances,wl1ich paper is to constitute the main body portion of the final product. Upon the surface of this paper I apply by any of the ordinary machines well known in the art for such purposes a coating consisting of a mineral subtion with any of the well-known waterproofing adhesive compositions as to form a flowing paste that can be readily spread upon the paper by the machines just referred to in such manner as to effectually coat the paper with a thin layer, whereupon I finish the said surface and calender it very highly, thereby producing the smooth, even, resistant, and water-proof mineralized facing desired.
It will be understood that the mineral substance employed is, when added to the waterproofing composition, either an impalpable powder or in the form of a paste prepared from said powder, this minute state of subdivision being essential to the production of the smooth highly-finished facing. The mineral substance must also be carefully and thoroughly incorporated with the constituents of the adhesive or waterproofing composition, so as to produce a homogeneous mixture throughout, thereby securing uniformity in the final product. The constituents of the adhesive or waterproofing composition and the proportions thereof for use with different kinds of minerals may be considerably varied, as will be apparent to those skilled in the art. Both the paper itself and the composition should, however, be devoid of acid, and the mineral should be in such large proportion to the ingredients of the composition that the highly-calendered facing will be esthe finishing and calendering operations.
For the adhesive composition I have success fully employed a solutionin water of shellac, borax, and alum with gelatiue, starch, or arrow-root; but, as I have said before, such composit-ions are well known in the art, and I do not therefore restrict myself to the employment of any particular one. In so far as the mineral is concerned I have secured the best results by the employment of sulphate of barytes, (or blame fixe.)
It will be understood that after the highlycalendered mineralized facing is produced I apply the albumen coating thereon in the usual manner.
Having thus described in y invention, what I claim is- 1. The process of preparing an improved albumenized paper for photographic pur-- poses, which consists in providing the paper previous to the application of the albumen With a Water-proof mineral facing, substantially as described.
2. As a new article of manufacture, paper having a Water-proof mineral facing and a coating of albumen thereon, substantially as described.
3. As a new article of manufacture, paper having a Water-proof facing of sulphate of barytes and a coating of albumen thereon, substantially as described.
In testimony whereof I ai'lix my signature in presence of two Witnesses.
ARTHUR BOT \Vitnesses:
J OSEPH Rev, J. A. GOLDSBOROUGH.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US463326A true US463326A (en) | 1891-11-17 |
Family
ID=2532198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US463326D Expired - Lifetime US463326A (en) | Albumenized paper |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US463326A (en) |
-
0
- US US463326D patent/US463326A/en not_active Expired - Lifetime
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