US2389245A - Printing process for textiles - Google Patents
Printing process for textiles Download PDFInfo
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- US2389245A US2389245A US2389245DA US2389245A US 2389245 A US2389245 A US 2389245A US 2389245D A US2389245D A US 2389245DA US 2389245 A US2389245 A US 2389245A
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- US
- United States
- Prior art keywords
- printing
- steaming
- textiles
- leuco
- splitting
- Prior art date
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- Expired - Lifetime
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- 238000000034 method Methods 0.000 title description 64
- 239000004753 textile Substances 0.000 title description 24
- 238000010025 steaming Methods 0.000 description 44
- -1 ester salts Chemical class 0.000 description 32
- 239000011780 sodium chloride Substances 0.000 description 32
- 239000007800 oxidant agent Substances 0.000 description 28
- 239000002253 acid Substances 0.000 description 24
- 239000003795 chemical substances by application Substances 0.000 description 24
- 239000004744 fabric Substances 0.000 description 24
- 239000002585 base Substances 0.000 description 20
- 239000003054 catalyst Substances 0.000 description 18
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 16
- 229910052783 alkali metal Inorganic materials 0.000 description 16
- RPNUMPOLZDHAAY-UHFFFAOYSA-N DETA Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 description 12
- YSAVZVORKRDODB-WDSKDSINSA-N Diethyl tartrate Chemical compound CCOC(=O)[C@@H](O)[C@H](O)C(=O)OCC YSAVZVORKRDODB-WDSKDSINSA-N 0.000 description 10
- YZHUMGUJCQRKBT-UHFFFAOYSA-M Sodium chlorate Chemical compound [Na+].[O-]Cl(=O)=O YZHUMGUJCQRKBT-UHFFFAOYSA-M 0.000 description 10
- 150000007530 organic bases Chemical class 0.000 description 10
- 229940080281 sodium chlorate Drugs 0.000 description 10
- 229920002472 Starch Polymers 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- JUJWROOIHBZHMG-UHFFFAOYSA-N pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 8
- 239000008107 starch Substances 0.000 description 8
- 235000019698 starch Nutrition 0.000 description 8
- LHIJANUOQQMGNT-UHFFFAOYSA-N Aminoethylethanolamine Chemical compound NCCNCCO LHIJANUOQQMGNT-UHFFFAOYSA-N 0.000 description 6
- UXJVWJGDHIZPLD-UHFFFAOYSA-O Ammonium vanadate Chemical compound [NH4+].O=[V-](=O)=O UXJVWJGDHIZPLD-UHFFFAOYSA-O 0.000 description 6
- 241000416162 Astragalus gummifer Species 0.000 description 6
- YODZTKMDCQEPHD-UHFFFAOYSA-N Thiodiglycol Chemical compound OCCSCCO YODZTKMDCQEPHD-UHFFFAOYSA-N 0.000 description 6
- 229950006389 Thiodiglycol Drugs 0.000 description 6
- 229940116362 Tragacanth Drugs 0.000 description 6
- 229920001615 Tragacanth Polymers 0.000 description 6
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Tris Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 6
- 238000009835 boiling Methods 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- 150000007522 mineralic acids Chemical class 0.000 description 6
- 230000001264 neutralization Effects 0.000 description 6
- 239000000196 tragacanth Substances 0.000 description 6
- 235000010487 tragacanth Nutrition 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- PAFZNILMFXTMIY-UHFFFAOYSA-N Cyclohexylamine Chemical compound NC1CCCCC1 PAFZNILMFXTMIY-UHFFFAOYSA-N 0.000 description 4
- BFSVOASYOCHEOV-UHFFFAOYSA-N Diethylethanolamine Chemical compound CCN(CC)CCO BFSVOASYOCHEOV-UHFFFAOYSA-N 0.000 description 4
- 240000007871 Indigofera tinctoria Species 0.000 description 4
- 235000000177 Indigofera tinctoria Nutrition 0.000 description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-O ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 4
- 239000001913 cellulose Substances 0.000 description 4
- 229920002678 cellulose Polymers 0.000 description 4
- XTEGARKTQYYJKE-UHFFFAOYSA-M chlorate Chemical compound [O-]Cl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-M 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 239000000975 dye Substances 0.000 description 4
- 150000002148 esters Chemical class 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- ZMZDMBWJUHKJPS-UHFFFAOYSA-M isothiocyanate Chemical compound [S-]C#N ZMZDMBWJUHKJPS-UHFFFAOYSA-M 0.000 description 4
- GLUUGHFHXGJENI-UHFFFAOYSA-N piperazine Chemical compound C1CNCCN1 GLUUGHFHXGJENI-UHFFFAOYSA-N 0.000 description 4
- 239000004627 regenerated cellulose Substances 0.000 description 4
- SAOJIGZKFVGZDC-UHFFFAOYSA-N 3-(N-ethylanilino)propane-1,2-diol Chemical compound OCC(O)CN(CC)C1=CC=CC=C1 SAOJIGZKFVGZDC-UHFFFAOYSA-N 0.000 description 2
- KHPLPBHMTCTCHA-UHFFFAOYSA-N Ammonium chlorate Chemical compound N.OCl(=O)=O KHPLPBHMTCTCHA-UHFFFAOYSA-N 0.000 description 2
- ZBCBWPMODOFKDW-UHFFFAOYSA-N Diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 2
- 229960001124 Trientine Drugs 0.000 description 2
- VILCJCGEZXAXTO-UHFFFAOYSA-N Triethylenetetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- 238000003776 cleavage reaction Methods 0.000 description 2
- GFEYTWVSRDLPLE-UHFFFAOYSA-L dihydrogenvanadate Chemical compound O[V](O)([O-])=O GFEYTWVSRDLPLE-UHFFFAOYSA-L 0.000 description 2
- 125000000623 heterocyclic group Chemical group 0.000 description 2
- IOVCWXUNBOPUCH-UHFFFAOYSA-M nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 239000002964 rayon Substances 0.000 description 2
- KEAYESYHFKHZAL-UHFFFAOYSA-N sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/22—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using vat dyestuffs including indigo
- D06P1/222—Oxidising agents
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/655—Compounds containing ammonium groups
- D06P1/66—Compounds containing ammonium groups containing quaternary ammonium groups
Definitions
- the present invention relates to an improved textile printin process with leuco ester salts. of vat dyestuffs. .i j
- the printings obtained in this way are much deeper thanthose obtainedby any of the known steam-developing processes.
- the printing pastes containing the above said bases are further more stable than the usual printing pastes, which is naturally of great importance where easily cleavable Indigosols are used.
- aliphatic bases like mono-, diand triethanolamine, diethylmonoethanol amine, monoethanolethylenediamine, diethylenetriamine, .triethylene tetramine, as cycloaliphatic bases, -for example hexahydroaniline, as aromatic bases aniline, N- ethylglycerylaniline and N-diglycerylaniline, and as heterocyclic bases pyridine, piperazine and the like. If the base employed is easily soluble in water, it can be directly added to the already the steaming operation from 15 minutes to about 45.
- the prints obtained according to the presen process are superior in respect of the yield. of the. dyestufi's to the generally known developing processes such as the sol-developing process.
- the present process further presents the great advantage of being able to be combined: with the use of other dyestufis, because the steaming operation is very short and without influence on other dyestuffs like the Rapidogen and Rapidecht dyestuffs.
- Example 2 Vistra mousselineis printed with a printing paste of the following composition:
- a piece of vistra mousseline is printed witli'In-Q ⁇ - I Steaming Example 3 (A piece of vistra fabric is printed with Indigosol .Green-IGG, iIndigosol Olive Green IB (Schultz,
- Example 1 100 Diethyltartrate '.-Tf """I” '-1"T? --Z""'--""' Neutral starch tragacanth thiekening. $70 Sodium chlorate solution 0i! 25% 80 Ammonium vanadate solution o f ⁇ 1% 20 Diethylenetriamine 10
- the prints obtained with the above cited pastes are after drying steamed during 15-20 minutes, rinsed, soaped at boiling temperature, rinsed again "and dried. The prints obtained with these pastes are much deeper than those which can be obtained by the known steam developing process.
- Example 4 A piece of Vistra-mousseline is printed with Indigos'ol Brilliant Violet'l lR. in a printing paste of the following composition:
- a printing paste for textile of cellulosic nature comprising an alkali metal salt of a sulfuric acid ester of a leuco-vat-dyestufi, an oxidising agent, an agent capable of splitting ofi acid and a catalyst and containing at least one volatile organic base which is stable towards the oxidising agent in absence of an inorganic acid, said printing paste allowing the production of deeper and fuller shades on the said textiles by a short steaming process as compared to the shades obtained by the known developing processes.
- a printing paste for textiles of cellulosic nature comprising an alkali metal salt of a sulfuric acid ester of a leucovatdyestufi, an oxidising agent, an agent capable of splitting ofi acid, a catalyst and triethanolamine, said printing paste allowing the production of deeper and fuller shades on the said textiles by a short steaming process as compared to the shades obtained by the known developing processes.
- a printing paste for textiles of cellulosic nature comprising an alkali metal salt of a sulfuric acid ester of a leuco-vat-dyestuft, an oxidising agent, an agent capable of splitting oflf acid, a catalyst and diethylenetriamine, said printing paste allowing the production of deeper and fuller shades on the said textiles by a short steaming process as compared to the shades obtained by the known developing processes.
- a printing paste for textiles of cellulosic nature comprising an alkali metal salt of a sulfuric acid ester of a leuco-vat-dyestuff, an oxidising agent, an agent capable of splitting off acid, a catalyst and monoethanolethylenediamine, said printing paste allowing the production of deeper and fuller shades on the said textiles by a short steaming process as compared to the shades obtained by the known developing processes.
- a process for producing deep and full shades by printing leuco ester salts of vat dyestuffs on cellulosic fabrics comprising the step of subjecting to a short steaming cellulosic fabrics printed with a printing paste comprising an alkali metal salt of a sulfuric acid ester of a leuco-vat-dyestuff, an oxidising agent, an agent capable of splitting off acid, a cataylst and a volatile organic base which is stable to the oxidising agent in presence of an inorganic acid.
- a process for producing deep and full shades by printing leuco ester salts of vat dyestuffs on cellulosic fabrics comprising the step of subjecting to a short steaming cellulosic fabrics printed with a printing paste comprising an alkali metal salt of a sulfuric acid ester of a leuco-vat-dyestufi, an oxidising agent, an agent capable of splitting ofi acid, a catalyst and triethanolamine.
- a process for producing deep and full shades by printing leuco ester salts of vat dyestufis on cellulosic fabrics comprising the step of subjecting to a short steaming cellulosic fabrics printed with a printing paste comprising an alkali metal salt of a sulfuric acid ester of a leucovat-dyestufi, an oxidising agent, an agent capable of splitting off acid, a catalyst and diethylenetriamine.
- a process for producing deep and full shades by printing leuco ester salts of vat dyestuffs on cellulosic fabrics comprising the step of subjecting to a short steaming cellulosic fabrics printed with a printing paste comprising an alkali metal salt of a sulfuric acid ester of a leuco-vat-dyestuif, an oxidising agent, an agent capable of splitting ofi acid, a catalyst and monoethanolethylenediamine.
Description
Patented Nov. 20, 1945 PRINTING PROCESS FOR TEXTILES Q-Alexis Wiazmltinow, Basel, Switzerland, asslgnor to Sandoz A. G., Fribourg, Switzerland No Drawing.- Application October 28, 1941, Serial I No. 416,909. In Switzerland November 20,
8 Claims ,The present invention relates to an improved textile printin process with leuco ester salts. of vat dyestuffs. .i j
It isknownthat semantic-5 ester salts o1 vat dyestuffs such as Indigos'ol Green 13 (see Schultz,-
Farbsto'fitabellen, 2d v0l'.,"page{,133), Indigosol- .gr raeand Oliv'G'reen 'IB (see Schultz,
Farbstofftabellen;complemental vol. II, page 209), Indigosol Red IFBB (see Schultz, Farbstofftabellen, complemental volfII, page 209), Indigosol Brilliant Violet 14R give unsatisfactory results in printing; whendeveloped by' one of theknown steaming developing processes, especially on regeiie'ratd cllul6' 'sucli as rayon crepe, ,vistra mous'seli'nd'Be'mberg silk and the like. Especially printirfg's obtained with'f Indigosol Green IB,-In-
digosol Green; IGG andJIndig'osol Olive Green 13 are verypoor. It" is believed thatthis behaviour gf thes'e dy'estufis'is due to their ready cleavage andeto the size of the particles. The practical tests in the textile printing industry have shown that. the above named Indigosol dyestuffs can satisfactorily be fixed on fibres Ofregenerated cellulose, when theylare first subjected to a pre yious steaming and afterwards developed by the so calledwet developing processes, like thenitrite process. 'lh 'previous steaming makes it pos sible for these dyestuffs topenetrate into the fibre before they heeon'ie split andfor the fixation or the lndigosolstotake place inthe inner parts pithe fibre when they become developed.
;;Inorder to obviate the taking place of an undue rapid splitting of the Indigosols during the steaming process; it is necessary to reduce in the printed pastes the qriantity'bf the'acid splitting agents, suchas animonium= thiocyanate, diethyltartrate, et f oxidising agents such as sodium chlorate, amnidn urnjchlorate and of catalysts such as ammoni'ui'n vanadate'. These changes of the printing recipe require an increase of the duration of fore, their bad fixation in printing on fibres from natural and regenerated cellulose can be avoided by adding to the printing pastes containing besides the leuco ester salts, a certain amount of oxidising agents, of acid splitting agents, of cata- V lysts and of other usual additions, such organic bases that are stable towards the oxidising agents in absence of inorganic acids and by printing this paste on the fabrics and developing the dyestuffs by a short steaming. "By' the addition of the above cited bases a rapid-and satisfactory fixation of thedyestuifs generated from the leuco esters is obtained; without any previous splitting taking place. The printings obtained in this way are much deeper thanthose obtainedby any of the known steam-developing processes. The printing pastes containing the above said bases are further more stable than the usual printing pastes, which is naturally of great importance where easily cleavable Indigosols are used.
--As organic bases that are especially suitable for-carrying out the present process can be cited the aliphatic bases like mono-, diand triethanolamine, diethylmonoethanol amine, monoethanolethylenediamine, diethylenetriamine, .triethylene tetramine, as cycloaliphatic bases, -for example hexahydroaniline, as aromatic bases aniline, N- ethylglycerylaniline and N-diglycerylaniline, and as heterocyclic bases pyridine, piperazine and the like. If the base employed is easily soluble in water, it can be directly added to the already the steaming operation from 15 minutes to about 45. t 60Ylninutes,-' otherwise the Indigosols would not be split at all. Such 'along steaming process is-generally not desired and especially in such cases where the fabricshave been printed notonly withfiIndigosols, but with other dyestuffs, such as Rapidogenor Rapidecht'dyestuffs, which become more or less destroyed by a long steamingoperation and do notgive brilliant prints. Although the steaming operation is extended, the prints 0b-' tained. with the-[Indigosols by this method are fofsthe leuco ester salts of vat dyestuffs and, there- 1 prepared printing paste. In cases where the base is not easily soluble, it is preferable to dissolve it in a solvent such as ethanol, thiodiglycol and the like and to add its solution to the printing paste.
a The fabrics from cellulose or regenerated cellulose printed with the printing pastes prepared as above described are after printing dried in the usual manner and steamed for 10-30 minutes, whereby a good penetration and development of the leuco esters will be obtained. The printings thus obtained do not bleed during soaping operation and give full brilliant patterns. It is obvious that the quantity-of. the acid. splitting agent, of the oxidizing agent and of the catalysts must be adopted to the steaming equipment and steaming method used in the respective printing house. Generally it can be said, that an increase of the quantity of the acid splitting agents will reduce the time of steaming whichhas been increased by the addition of the base,
The prints obtained according to the presen process are superior in respect of the yield. of the. dyestufi's to the generally known developing processes such as the sol-developing process. the
chlorate developing process, the ammonium thiocyanate-chlorateand ammoniumchlorate steam processes and sometimes also the so-called nitrite process.
The present process further presents the great advantage of being able to be combined: with the use of other dyestufis, because the steaming operation is very short and without influence on other dyestuffs like the Rapidogen and Rapidecht dyestuffs.
The following examples, without'being limitative, illustrate the present prooesstl'le by weight:
Example 1 digosol Green IB (Schultz, Farbstofitabellen, 2nd
vol., page 133) with a printing'paste of the fol-r.
lowing oomposition:
The following table showsa series of organic 5 bases that can be used and how long the printing fabric must be steamed in each case: I
. Organic base i Y period Minute:
ZOpm-ts ol-triethanolsmine i parts of diethylmonoethanolamine.- 20 parts of tetmethanolammonium-hyd lO parts of pyridine. r 20 parts of N-ethylglycerylan ne dissolved n 20 parts of alcohol 20 patrts oi N-diglyoerylaniline dissolved in 20 parts of 20 parts of hexahydroaniline c 20 parts 01 piperazine 20 parts of monoethanolethylonedmmino. 20 parts of diethanolamine. 20 parts of monoethimolamin 20 parts of anilineg;
assesses;- s 5852 The prints obtained with the 'aboveoited printing pastes are after drying steamed for 10-30 minutes, rinsed, soaped at boiling temperature; rinsed again and dried. The prints obtained in this manner are much deeper thanthose which are obtained by the so-oalled ammonium. thiocyanate steaming process.
Example 2 Vistra mousselineis printed with a printing paste of the following composition:
A piece of vistra mousseline is printed witli'In-Q}- I Steaming Example 3 (A piece of vistra fabric is printed with Indigosol .Green-IGG, iIndigosol Olive Green IB (Schultz,
Earbstoiftabellen,,complemental vol. II, page 209) J and Indigosollted IFBB (Schultz, Farbstofitabellen, complemental vol II, page 209) in printing pastes of thefollowing compositions:
Parts Indigosol Green IGG a0 DehagenO (see Example 1)----" 100 Hotwater; o -.210 Neutral starch tragacanth thickening..' 500. Sodium chlorate solution of 25% 50 Ammoniumvainadatesolution of 1 l Diethyl tartrate .40 Diethylenetriamine V 10 IndigosolBed 'IF'BB 70 Thiodiglycol 50 Hot .water. rl 250 Starch tragacanth thickening 495 Diethyltartrate 50 Sodium chlorate solution 25'% Ammonium vanadate solution 1% 20 Diethylenetriamine l0 1 V p r V Parts Indigosol OiiveGreen IB .50 Dehagen 0 (see. Example 1) 100 Diethyltartrate '.-Tf """I" '-1"T? --Z""'--""' Neutral starch tragacanth thiekening. $70 Sodium chlorate solution 0i! 25% 80 Ammonium vanadate solution o f\ 1% 20 Diethylenetriamine 10 The prints obtained with the above cited pastes are after drying steamed during 15-20 minutes, rinsed, soaped at boiling temperature, rinsed again "and dried. The prints obtained with these pastes are much deeper than those which can be obtained by the known steam developing process.
Example 4 A piece of Vistra-mousseline is printed with Indigos'ol Brilliant Violet'l lR. in a printing paste of the following composition:
f Part5 Indigosol Brilliant Violet 14R 50 Thiodiglycol 50 Dehagen 0' (see Ebzample'l) 100 Diethyltartrate so Hot water 200 Neutral starch tragaoanththickening 440 Sodium chlorate solution'of 25% 60 Ammonium vanadate solution of 1% 20 Triethanola'mine' 20 Sodium sulphoxylate-iorgnaldehyde 10 The prints are steamed for 10 to 15 minutes, rinsed, soaped at boiling temperature, rinsed again and dried, The print obtained according to this composition is much deeper than those which can be obtained by the well-known steam developing processes.
What I claim is:
1. A printing paste for textile of cellulosic nature, comprising an alkali metal salt of a sulfuric acid ester of a leuco-vat-dyestufi, an oxidising agent, an agent capable of splitting ofi acid and a catalyst and containing at least one volatile organic base which is stable towards the oxidising agent in absence of an inorganic acid, said printing paste allowing the production of deeper and fuller shades on the said textiles by a short steaming process as compared to the shades obtained by the known developing processes.
2. A printing paste for textiles of cellulosic nature, comprising an alkali metal salt of a sulfuric acid ester of a leucovatdyestufi, an oxidising agent, an agent capable of splitting ofi acid, a catalyst and triethanolamine, said printing paste allowing the production of deeper and fuller shades on the said textiles by a short steaming process as compared to the shades obtained by the known developing processes.
3. A printing paste for textiles of cellulosic nature, comprising an alkali metal salt of a sulfuric acid ester of a leuco-vat-dyestuft, an oxidising agent, an agent capable of splitting oflf acid, a catalyst and diethylenetriamine, said printing paste allowing the production of deeper and fuller shades on the said textiles by a short steaming process as compared to the shades obtained by the known developing processes.
4. A printing paste for textiles of cellulosic nature, comprising an alkali metal salt of a sulfuric acid ester of a leuco-vat-dyestuff, an oxidising agent, an agent capable of splitting off acid, a catalyst and monoethanolethylenediamine, said printing paste allowing the production of deeper and fuller shades on the said textiles by a short steaming process as compared to the shades obtained by the known developing processes.
5. A process for producing deep and full shades by printing leuco ester salts of vat dyestuffs on cellulosic fabrics, comprising the step of subjecting to a short steaming cellulosic fabrics printed with a printing paste comprising an alkali metal salt of a sulfuric acid ester of a leuco-vat-dyestuff, an oxidising agent, an agent capable of splitting off acid, a cataylst and a volatile organic base which is stable to the oxidising agent in presence of an inorganic acid.
6. A process for producing deep and full shades by printing leuco ester salts of vat dyestuffs on cellulosic fabrics, comprising the step of subjecting to a short steaming cellulosic fabrics printed with a printing paste comprising an alkali metal salt of a sulfuric acid ester of a leuco-vat-dyestufi, an oxidising agent, an agent capable of splitting ofi acid, a catalyst and triethanolamine.
7. A process for producing deep and full shades by printing leuco ester salts of vat dyestufis on cellulosic fabrics, comprising the step of subjecting to a short steaming cellulosic fabrics printed with a printing paste comprising an alkali metal salt of a sulfuric acid ester of a leucovat-dyestufi, an oxidising agent, an agent capable of splitting off acid, a catalyst and diethylenetriamine.
8. A process for producing deep and full shades by printing leuco ester salts of vat dyestuffs on cellulosic fabrics, comprising the step of subjecting to a short steaming cellulosic fabrics printed with a printing paste comprising an alkali metal salt of a sulfuric acid ester of a leuco-vat-dyestuif, an oxidising agent, an agent capable of splitting ofi acid, a catalyst and monoethanolethylenediamine.
ALEXIS W'IAZMITINOW.
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2521485A (en) * | 1948-02-25 | 1950-09-05 | Gen Aniline & Film Corp | Method of printing with sulfuric acid esters of leuco vat dyes of the anthraquinone series |
DE912450C (en) * | 1951-12-18 | 1954-05-31 | Bayer Ag | Process for dyeing or printing acrylonitrile polymers with Kuepenfabstoffe |
US2827358A (en) * | 1953-06-15 | 1958-03-18 | American Cyanamid Co | Preparation of stable compositions of sulfuric acid half esters of leuco vat dyestuffs |
US2882280A (en) * | 1955-02-14 | 1959-04-14 | Pittsburgh Coke & Chemical Co | Dibenzanthrone vat dyestuffs |
US2940814A (en) * | 1953-12-04 | 1960-06-14 | Gen Aniline & Film Corp | Vat dye compositions containing pyrimidines |
US2940815A (en) * | 1953-12-04 | 1960-06-14 | Gen Aniline & Film Corp | Vat dye compositions containing benzotriazoles |
US2940813A (en) * | 1953-12-04 | 1960-06-14 | Gen Aniline & Film Corp | Vat dye compositions containing azoles |
-
0
- US US2389245D patent/US2389245A/en not_active Expired - Lifetime
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2521485A (en) * | 1948-02-25 | 1950-09-05 | Gen Aniline & Film Corp | Method of printing with sulfuric acid esters of leuco vat dyes of the anthraquinone series |
DE912450C (en) * | 1951-12-18 | 1954-05-31 | Bayer Ag | Process for dyeing or printing acrylonitrile polymers with Kuepenfabstoffe |
US2827358A (en) * | 1953-06-15 | 1958-03-18 | American Cyanamid Co | Preparation of stable compositions of sulfuric acid half esters of leuco vat dyestuffs |
US2940814A (en) * | 1953-12-04 | 1960-06-14 | Gen Aniline & Film Corp | Vat dye compositions containing pyrimidines |
US2940815A (en) * | 1953-12-04 | 1960-06-14 | Gen Aniline & Film Corp | Vat dye compositions containing benzotriazoles |
US2940813A (en) * | 1953-12-04 | 1960-06-14 | Gen Aniline & Film Corp | Vat dye compositions containing azoles |
US2882280A (en) * | 1955-02-14 | 1959-04-14 | Pittsburgh Coke & Chemical Co | Dibenzanthrone vat dyestuffs |
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