SU101574A1 - Method of dyeing viscose silk - Google Patents
Method of dyeing viscose silkInfo
- Publication number
- SU101574A1 SU101574A1 SU450740A SU450740A SU101574A1 SU 101574 A1 SU101574 A1 SU 101574A1 SU 450740 A SU450740 A SU 450740A SU 450740 A SU450740 A SU 450740A SU 101574 A1 SU101574 A1 SU 101574A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- viscose silk
- dyeing viscose
- solution
- silk
- dyeing
- Prior art date
Links
Landscapes
- Coloring (AREA)
Description
При обычном использовании технического дииитронафталина {смеси изомеров) дл получени сернистых красителей, 1,8-изомер, содержащийс в этой смеси в количестве 50- 60%, вл етс вредной примесью, ухудшающей оттенок получаемого сернистого красител .In the usual use of technical diitronaphthalene (mixture of isomers) to obtain sulfur dyes, the 1,8-isomer contained in this mixture in an amount of 50-60% is a harmful impurity that worsens the color of the resulting sulfur dye.
По предлагаемому способу 1,8-динитронафталин используетс дл кращени вискозного шелка путем растворени его в водном растворе сернистого натри . Полученный раствор окрашивает вискозный щелк в фиолетовый цвет, переход щий после хромировани в коричневый.In the inventive method, 1,8-dinitronaphthalene is used to reduce viscose silk by dissolving it in an aqueous solution of sodium sulphide. The resulting solution stains the viscous click purple to become brown after chrome plating.
Пример. 10 г 1,8-динитронафталина внос т в 1200-1500 мл 1%-ного раствора сернистого патри и нагре (.ают при 80-100° до полного растворени . В полученный фиолетовый раствор помещают вискозное 1ЮЛОКНО, которое выдерживают в растворе до получени выкраски требуемой копцентрации. Полученную выкраску обрабатывают водным раствором хромпика и уксусной кислогы и получают коричневую окраску.Example. 10 g of 1,8-dinitronaphthalene are added to 1200-1500 ml of a 1% aqueous solution of sulfurous patry and heated (80-100 ° until complete dissolution.) Viscose solution is placed in the resulting purple solution, which is kept in solution until color is obtained. The resulting color is treated with an aqueous solution of chromium and acetic acid and get a brown color.
П р е д м е т и з о б р е т с и и PREDETE H and o about the and with and
Способ кращени вискозного шелка в коричневый цвет 1,8-динитронафталином , отличающийс тем, что, с целью использовани технического продукта, 1,8-динитронафгалин раствор ют в водном растворе сернистого натри , после чего окрашенный этим раствором вискозный нелк хромируют.The method of reducing viscose silk to brown with 1,8-dinitronaphthalene, characterized in that, with the aim of using a technical product, 1,8-dinitronaphgaline is dissolved in an aqueous solution of sodium sulphide, after which the viscose lly colored with this solution is chrome plated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU450740A SU101574A1 (en) | 1954-06-22 | 1954-06-22 | Method of dyeing viscose silk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU450740A SU101574A1 (en) | 1954-06-22 | 1954-06-22 | Method of dyeing viscose silk |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU101574A1 true SU101574A1 (en) | 1954-11-30 |
Family
ID=48375401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU450740A SU101574A1 (en) | 1954-06-22 | 1954-06-22 | Method of dyeing viscose silk |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU101574A1 (en) |
-
1954
- 1954-06-22 SU SU450740A patent/SU101574A1/en active
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