RO94287B1 - Paper for protecting photosensitive materials and process for obtainng the same - Google Patents
Paper for protecting photosensitive materials and process for obtainng the sameInfo
- Publication number
- RO94287B1 RO94287B1 RO121646A RO12164685A RO94287B1 RO 94287 B1 RO94287 B1 RO 94287B1 RO 121646 A RO121646 A RO 121646A RO 12164685 A RO12164685 A RO 12164685A RO 94287 B1 RO94287 B1 RO 94287B1
- Authority
- RO
- Romania
- Prior art keywords
- photosensitive materials
- paper
- protection
- cellulose
- obtainng
- Prior art date
Links
- 239000000463 material Substances 0.000 title abstract 3
- 229920002678 cellulose Polymers 0.000 abstract 3
- 239000001913 cellulose Substances 0.000 abstract 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 abstract 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 abstract 2
- 229910021653 sulphate ion Inorganic materials 0.000 abstract 2
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- ZXJXZNDDNMQXFV-UHFFFAOYSA-M crystal violet Chemical compound [Cl-].C1=CC(N(C)C)=CC=C1[C+](C=1C=CC(=CC=1)N(C)C)C1=CC=C(N(C)C)C=C1 ZXJXZNDDNMQXFV-UHFFFAOYSA-M 0.000 abstract 1
- 239000000839 emulsion Substances 0.000 abstract 1
- 239000003292 glue Substances 0.000 abstract 1
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 230000007935 neutral effect Effects 0.000 abstract 1
- 229920000768 polyamine Polymers 0.000 abstract 1
- 229920000573 polyethylene Polymers 0.000 abstract 1
- 239000011347 resin Substances 0.000 abstract 1
- 229920005989 resin Polymers 0.000 abstract 1
- 239000000779 smoke Substances 0.000 abstract 1
- 239000011122 softwood Substances 0.000 abstract 1
Landscapes
- Paper (AREA)
Abstract
Inventia se refera la o hîrtie pentru protectia materialelor fotosensibile, cu comportare fotochimica neutra si inactiva din punct de vedere radioactiv, compatibila cu emulsia fotosensibila destinata protectiei materialelor fotosensibile fata de penetrabilitatea luminii si variatiile de umiditate, constituita dintr-un strat suport cu continut de amestec de celuloza sulfat din rasinoase semiîncalzita tip Holerith si celuloza sulfat înalbita din foioase tip O cu continut limitat de fier, 20...60 ppm, negru microdis tip M, metilviolet, negru direct tip A sau O, rasina poliamin-poliamid-epiclorhidrina tip PPE si agenti de încleiere, care are depus un strat de polietilena fotografica aditivata cu 2% negru de fum si la un procedeu de obtinere a acesteia.The invention relates to a paper for the protection of photosensitive materials, with a neutral and radioactively inactive photochemical behavior, compatible with the photosensitive emulsion intended for the protection of the photosensitive materials against the light penetrability and humidity variations consisting of a carrier layer containing the mixture cellulose sulphate of Holerith semi-heated softwood cellulose and cellulose sulphate blasted iron oxide type O with limited iron content, 20 ... 60 ppm, micronized black type M, methylviolet, direct black type A or O, polyamine polyamide-epichlorohydrin resin PPE and glue agents, which has deposited a layer of photographic polythene with 2% black smoke and a process for obtaining it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO121646A RO94287B1 (en) | 1985-12-31 | 1985-12-31 | Paper for protecting photosensitive materials and process for obtainng the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO121646A RO94287B1 (en) | 1985-12-31 | 1985-12-31 | Paper for protecting photosensitive materials and process for obtainng the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO94287A2 RO94287A2 (en) | 1988-06-30 |
| RO94287B1 true RO94287B1 (en) | 1988-07-01 |
Family
ID=20118748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO121646A RO94287B1 (en) | 1985-12-31 | 1985-12-31 | Paper for protecting photosensitive materials and process for obtainng the same |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO94287B1 (en) |
-
1985
- 1985-12-31 RO RO121646A patent/RO94287B1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO94287A2 (en) | 1988-06-30 |
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