SU184993A1 - METHOD OF OBTAINING NONPYLUSHY POWDERS - Google Patents
METHOD OF OBTAINING NONPYLUSHY POWDERSInfo
- Publication number
- SU184993A1 SU184993A1 SU1011946A SU1011946A SU184993A1 SU 184993 A1 SU184993 A1 SU 184993A1 SU 1011946 A SU1011946 A SU 1011946A SU 1011946 A SU1011946 A SU 1011946A SU 184993 A1 SU184993 A1 SU 184993A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- dye
- powders
- nonpylushy
- obtaining
- inhibitor
- Prior art date
Links
- 239000000843 powder Substances 0.000 title description 6
- 239000000975 dye Substances 0.000 description 17
- 239000003112 inhibitor Substances 0.000 description 12
- 230000002401 inhibitory effect Effects 0.000 description 12
- 239000000428 dust Substances 0.000 description 9
- 239000007900 aqueous suspension Substances 0.000 description 6
- 238000001035 drying Methods 0.000 description 6
- 238000010410 dusting Methods 0.000 description 6
- 239000000839 emulsion Substances 0.000 description 6
- 239000000725 suspension Substances 0.000 description 5
- 239000006185 dispersion Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 238000009835 boiling Methods 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 1
- 229920002456 HOTAIR Polymers 0.000 description 1
- BCKXLBQYZLBQEK-KVVVOXFISA-M Sodium oleate Chemical compound [Na+].CCCCCCCC\C=C/CCCCCCCC([O-])=O BCKXLBQYZLBQEK-KVVVOXFISA-M 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000009837 dry grinding Methods 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000001046 green dye Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- -1 polysiloxane Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- AXMCIYLNKNGNOT-UHFFFAOYSA-M sodium;3-[[4-[(4-dimethylazaniumylidenecyclohexa-2,5-dien-1-ylidene)-[4-[ethyl-[(3-sulfonatophenyl)methyl]amino]phenyl]methyl]-N-ethylanilino]methyl]benzenesulfonate Chemical compound [Na+].C=1C=C(C(=C2C=CC(C=C2)=[N+](C)C)C=2C=CC(=CC=2)N(CC)CC=2C=C(C=CC=2)S([O-])(=O)=O)C=CC=1N(CC)CC1=CC=CC(S([O-])(=O)=O)=C1 AXMCIYLNKNGNOT-UHFFFAOYSA-M 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Description
Известный способ получени иепыл щих порошков нерастворимых в воде органических красителей с применением ингибиторов пылени состоит в том, что водную суспензию красител сушат, мелют, просеивают и смешивают сухой порошок красител с ингибитором пылени . На всех стади х технологического процесса носле сушки сохран етс пылеобразование , привод ш,ее к большим механическим потер м красител ..A known method for preparing powdered water-insoluble organic dyes using dust inhibitors is that the aqueous suspension of the dye is dried, ground, sieved, and the dry powder of the dye is mixed with the dust inhibitor. At all stages of the technological process, the formation of dust is preserved during drying, which leads to a large mechanical loss of the dye.
С целью упрош,еии технологии и улучшени условий труда, по предлагаемому способу ингибитор пылеии ввод т в водную суспензию красител перед сушкой и температура кипени ингибитора пылени быть выше температуры теплоносител в сушилке. Кроме того, дл быстрого и равномерного распределени в суспензии красител ингибитора пылени последний примен ют в виде высокодисперсной стабилизированной водной эмульсии, приготовленной известным способом .In order to simplify the technology and improve the working conditions, according to the proposed method, the dust inhibitor is introduced into the aqueous suspension of the dye before drying and the boiling point of the dust inhibitor should be higher than the temperature of the coolant in the dryer. In addition, in order to quickly and uniformly distribute the dye inhibitor dye in the suspension, the latter is used in the form of a highly dispersed stabilized aqueous emulsion prepared in a known manner.
Пример 1. На высокооборотной мельнице , например виброколлоидной, готов т 75%ную водную эмульсию ингибитора пылеии , например этилполисилоксановых жидкостей с добавкой эмульгатора-олеата натри Б виде 5%-ного водного раствора. В 2 л 25%ной водной суспензии красител кубового рко-зеленого Ж ввод т при размешивании 6,7 г эмульсии иигибитора пылени . Затем суспензию сушат в сушильном шкафу при 70-75°С. После сушки и измельчени получают непыл щий порошок красител , соответствуюший по оттеику, чистоте, степеш дисперсности и смачиваемости типовому образцу.Example 1. A 75% aqueous emulsion of a dusting inhibitor, for example ethyl polysiloxane fluids with the addition of an emulsifier sodium oleate B in the form of a 5% aqueous solution, is prepared in a high-speed mill, for example vibrocolloid. In 2 liters of a 25% aqueous suspension of a vat bright green dye W, 6.7 g of the emulsion and dust inhibitor are added while stirring. Then the suspension is dried in a drying cabinet at 70-75 ° C. After drying and grinding, a non-dusting dye powder is obtained, which is consistent with the resistance, purity, degree of dispersion and wettability of the type sample.
Пример 2. В 2 л 20о/о-ной водной суспензии красител дисперсного фиолетового 2 С ввод т при перемешивании 6 г эмульсии ингибитора пылени , приготовлепной по примеру 1. Затем суспензию сушат в сушилке кип щего сло . Температура теплоносител (гор чий воздух) - . Получают непыл щий порошок красител , соответствующий по оттенку, чистоте, концентрации, степеии дисперсности и смачиваемости типовому образцу ,iExample 2. In a 2 liter of 20 ° / oh aqueous suspension of dispersed violet 2 C dye, 6 g of a dust inhibitor emulsion prepared as in Example 1 are added with stirring. Then the suspension is dried in a fluidized bed dryer. Heat carrier temperature (hot air) -. A non-dusting dye powder is obtained, corresponding in color, purity, concentration, degree of dispersion and wettability to a type sample, i
Пример 3. В водную суспензию, содержащую 35 г красител кубового рко-зелеиого СД при перемешивании ввод т 1 г водной эмульсии ингибитора пылени , приготовленной , как в примере 1. Затем суспензию сушат в распылительной сушилке при температуре вход щих газов 180°С. Получают непыл щий порошок красител , соответствуюший по оттенку , чистоте, концентрации, степени дисперсности и смачиваемости типовому образцу. При сухом помоле на мельнице типа дисмембратор , взвешивании, -фасовке и упаковке этого красител пыль не образуетс .Example 3. 1 g of an aqueous emulsion of a dusting inhibitor prepared as in Example 1 is introduced into the aqueous suspension containing 35 g of a dye bright green LED DM with stirring. The suspension is then dried in a spray dryer at a temperature of incoming gases of 180 ° C. A non-dusting dye powder is obtained, corresponding in color, purity, concentration, degree of dispersion and wettability to the type sample. With dry grinding in a dismembrator type mill, weighing, packing and packaging of this dye, no dust is formed.
Предмет изобретени Subject invention
1. Способ получени пепыл щих порошков нерастворимых в воде органических красителей путем сушки, помола, просева с применением ингибиторов пылени , отличающийс тем, что, с целью упрошени технологии и1. A method for producing ashes powders of water-insoluble organic dyes by drying, grinding, sifting with the use of dusting inhibitors, characterized in that, in order to simplify the process and
улучшени условии труда, в водную суспензию красител перед сушкой ввод т ингибитор пылени , температура кипени которого выше температуры теплоносител в сушилке. 2. Способ по п. 1, отличающийс тем, что, с пелью быстрого и равномерного распределени в суспензии красител ингибитора пылени , последний примеп ют в виде высокодисперсной стабилизированной водной эмульсии , приготовленной известным способом.improvement of the working condition; before the drying, a dust inhibitor is introduced into the aqueous suspension of the dye, the boiling point of which is higher than the temperature of the heat carrier in the dryer. 2. A method according to claim 1, characterized in that, with a quick and uniform distribution of the dye inhibitor dye in suspension, the latter is applied in the form of a highly dispersed stabilized aqueous emulsion prepared in a known manner.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU184993A1 true SU184993A1 (en) |
Family
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0015464A2 (en) * | 1979-03-06 | 1980-09-17 | Mobay Chemical Corporation | Process for producing powders or granules of dyes |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0015464A2 (en) * | 1979-03-06 | 1980-09-17 | Mobay Chemical Corporation | Process for producing powders or granules of dyes |
| EP0015464A3 (en) * | 1979-03-06 | 1981-02-25 | Mobay Chemical Corporation | Process for producing powders or granules of dyes |
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