US2511938A - Pad dyeing of cellulose derivative - Google Patents
Pad dyeing of cellulose derivative Download PDFInfo
- Publication number
- US2511938A US2511938A US2511938DA US2511938A US 2511938 A US2511938 A US 2511938A US 2511938D A US2511938D A US 2511938DA US 2511938 A US2511938 A US 2511938A
- Authority
- US
- United States
- Prior art keywords
- cellulose
- size
- fabrics
- fabric
- organic derivative
- 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
- 229920002678 cellulose Polymers 0.000 title claims description 48
- 239000001913 cellulose Substances 0.000 title claims description 46
- 238000009980 pad dyeing Methods 0.000 title description 6
- 239000004744 fabric Substances 0.000 claims description 96
- 239000000835 fiber Substances 0.000 claims description 54
- 239000000463 material Substances 0.000 claims description 48
- 239000000975 dye Substances 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 24
- 230000002522 swelling Effects 0.000 claims description 16
- 239000003795 chemical substances by application Substances 0.000 claims description 14
- DNIAPMSPPWPWGF-UHFFFAOYSA-N propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 12
- 229920002301 Cellulose acetate Polymers 0.000 description 40
- 235000019441 ethanol Nutrition 0.000 description 24
- 238000004043 dyeing Methods 0.000 description 20
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 16
- 238000009991 scouring Methods 0.000 description 16
- 239000000203 mixture Substances 0.000 description 14
- 238000009941 weaving Methods 0.000 description 14
- VGTPCRGMBIAPIM-UHFFFAOYSA-M Sodium thiocyanate Chemical compound [Na+].[S-]C#N VGTPCRGMBIAPIM-UHFFFAOYSA-M 0.000 description 12
- 150000003839 salts Chemical class 0.000 description 10
- 239000011780 sodium chloride Substances 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- LRHPLDYGYMQRHN-UHFFFAOYSA-N n-butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 8
- ZMZDMBWJUHKJPS-UHFFFAOYSA-N Thiocyanic acid Chemical compound SC#N ZMZDMBWJUHKJPS-UHFFFAOYSA-N 0.000 description 6
- 150000001298 alcohols Chemical class 0.000 description 6
- 238000005470 impregnation Methods 0.000 description 6
- 239000002759 woven fabric Substances 0.000 description 6
- 108010010803 Gelatin Proteins 0.000 description 4
- 238000005296 abrasive Methods 0.000 description 4
- -1 aliphatic alcohols Chemical class 0.000 description 4
- 239000005018 casein Substances 0.000 description 4
- 235000021240 caseins Nutrition 0.000 description 4
- 239000010685 fatty oil Substances 0.000 description 4
- 229920000159 gelatin Polymers 0.000 description 4
- 239000008273 gelatin Substances 0.000 description 4
- 235000019322 gelatine Nutrition 0.000 description 4
- 235000011852 gelatine desserts Nutrition 0.000 description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N iso-propanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 4
- AMQJEAYHLZJPGS-UHFFFAOYSA-N n-pentanol Chemical group CCCCCO AMQJEAYHLZJPGS-UHFFFAOYSA-N 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- HKQOBOMRSSHSTC-DIBAFDJWSA-N (2R,3S,4S,5R,6S)-2-(hydroxymethyl)-6-[(2R,3S,4R,5R,6R)-4,5,6-trihydroxy-2-(hydroxymethyl)oxan-3-yl]oxyoxane-3,4,5-triol;[(2R,3R,4S,5R,6S)-4,5,6-triacetyloxy-3-[(2S,3R,4S,5R,6R)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxyoxan-2-yl]methyl acetate;[( Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1O[C@@H]1[C@@H](CO)O[C@@H](O)[C@H](O)[C@H]1O.CC(=O)OC[C@H]1O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](OC(C)=O)[C@@H]1O[C@H]1[C@H](OC(C)=O)[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1.CCC(=O)OC[C@H]1O[C@@H](OC(=O)CC)[C@H](OC(=O)CC)[C@@H](OC(=O)CC)[C@@H]1O[C@H]1[C@H](OC(=O)CC)[C@@H](OC(=O)CC)[C@H](OC(=O)CC)[C@@H](COC(=O)CC)O1 HKQOBOMRSSHSTC-DIBAFDJWSA-N 0.000 description 2
- AQXYVFBSOOBBQV-UHFFFAOYSA-N 1-amino-4-hydroxyanthracene-9,10-dione Chemical compound O=C1C2=CC=CC=C2C(=O)C2=C1C(O)=CC=C2N AQXYVFBSOOBBQV-UHFFFAOYSA-N 0.000 description 2
- XXJWXESWEXIICW-UHFFFAOYSA-N 2-(2-Ethoxyethoxy)ethanol Chemical compound CCOCCOCCO XXJWXESWEXIICW-UHFFFAOYSA-N 0.000 description 2
- SOIFLUNRINLCBN-UHFFFAOYSA-N Ammonium thiocyanate Chemical compound [NH4+].[S-]C#N SOIFLUNRINLCBN-UHFFFAOYSA-N 0.000 description 2
- 240000006775 Enicostema verticillatum Species 0.000 description 2
- 239000001856 Ethyl cellulose Substances 0.000 description 2
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 description 2
- 206010027626 Milia Diseases 0.000 description 2
- ZNNZYHKDIALBAK-UHFFFAOYSA-M Potassium thiocyanate Chemical compound [K+].[S-]C#N ZNNZYHKDIALBAK-UHFFFAOYSA-M 0.000 description 2
- KSQXVLVXUFHGJQ-UHFFFAOYSA-M Sodium orthophenyl phenol Chemical compound [Na+].[O-]C1=CC=CC=C1C1=CC=CC=C1 KSQXVLVXUFHGJQ-UHFFFAOYSA-M 0.000 description 2
- MSXVEPNJUHWQHW-UHFFFAOYSA-N Tert-Amyl alcohol Chemical group CCC(C)(C)O MSXVEPNJUHWQHW-UHFFFAOYSA-N 0.000 description 2
- DQWPFSLDHJDLRL-UHFFFAOYSA-N Triethyl phosphate Chemical compound CCOP(=O)(OCC)OCC DQWPFSLDHJDLRL-UHFFFAOYSA-N 0.000 description 2
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Tris Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 2
- DQEFEBPAPFSJLV-WLTGXWPBSA-N [(2R,3R,4S,5R,6S)-4,5,6-tri(propanoyloxy)-3-[(2S,3R,4S,5R,6R)-3,4,5-tri(propanoyloxy)-6-(propanoyloxymethyl)oxan-2-yl]oxyoxan-2-yl]methyl propanoate Chemical compound CCC(=O)OC[C@H]1O[C@@H](OC(=O)CC)[C@H](OC(=O)CC)[C@@H](OC(=O)CC)[C@@H]1O[C@H]1[C@H](OC(=O)CC)[C@@H](OC(=O)CC)[C@H](OC(=O)CC)[C@@H](COC(=O)CC)O1 DQEFEBPAPFSJLV-WLTGXWPBSA-N 0.000 description 2
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 2
- 229920001727 cellulose butyrate Polymers 0.000 description 2
- 229920003086 cellulose ether Polymers 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 2
- 238000009990 desizing Methods 0.000 description 2
- 229940075557 diethylene glycol monoethyl ether Drugs 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 229920001249 ethyl cellulose Polymers 0.000 description 2
- 235000019325 ethyl cellulose Nutrition 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 229940116357 potassium thiocyanate Drugs 0.000 description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propanol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 2
- 230000000717 retained Effects 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 239000000344 soap Substances 0.000 description 2
- DKGAVHZHDRPRBM-UHFFFAOYSA-N t-BuOH Chemical group CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- MLVWCBYTEFCFSG-UHFFFAOYSA-L zinc;dithiocyanate Chemical compound [Zn+2].[S-]C#N.[S-]C#N MLVWCBYTEFCFSG-UHFFFAOYSA-L 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
- D06P1/90—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 dyes dissolved in organic solvents or aqueous emulsions thereof
- D06P1/92—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 dyes dissolved in organic solvents or aqueous emulsions thereof in organic solvents
- D06P1/928—Solvents other than hydrocarbons
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S8/00—Bleaching and dyeing; fluid treatment and chemical modification of textiles and fibers
- Y10S8/92—Synthetic fiber dyeing
- Y10S8/921—Cellulose ester or ether
Definitions
- the dyestuffs employed are preferably those dyes which are relatively insoluble in water and which are usually appliedto organic acid ester of cellulose materials in the form of aqueous dispersions.
- Cellulose acetate yarns of the deniers and construction described in Example I are sized on a slasher at 150 F. with a size of the following composition.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Coloring (AREA)
Description
Patented June 20, 1950 rim DYEiNG F CELLULOSE' DERIVATIVE FABRICSMADE FROM SIZED SPUN STAPLE- FIBERS FOLLOWED BY DESIZING Wilfred T. Normand, Cumberland, assign or to Celanese Corporation of America, a corporation of Delaware No Drawing. Application September 26, 1947, i
' Serial No. 776,419
This invention relates to the dyeing of fabric materials and relates more particularly to the dyeing of fabric materials made of or containing spun yarns of staple fibers having a basis of cellulose acetate or other organic derivative of cellulose material. I
An object of this invention is the provision of an improved process for the dyeing of fabric materials made of or containing spun yarns of staple fibers having a basis of cellulose acetate or other organic derivative of cellulose material whereby said fabrics may be dyed in even, level shades free of overdyed surface fibers.
Other objects of this invention will appear from the following detailed description.
In weaving fabrics, both the warp and filling yarns are usually sized with a suitable sizing composition prior to the weaving operation in order to impart a measure of physical protection to the yarns. The size placed on the yarns renders them smooth and, therefore, highly resistant to the abrasive action of the moving shuttle supplying the filling yarn and to the mutually abrasive action of the yarns. When dyeing a woven fabric containing the weaving size, the fabric is first scoured to remove the size and then dyed employing a suitable dyebath and dyeing procedure to obtain the desired shade. The sequence of steps comprising scouring and dyeing is satisfactory for many types of fabrics woven of or containing yarns having a basis of cellulose acetate or other'organic derivative of cellulose. However, it has been observed that when fabrics woven of or containing spun yarns of staple fibers having a basis of cellulose acetate or other organic derivative of cellulose material 7 Claims.
sized fabric the fact that such even, level dyeings are obtained, despite the presence of the size, is quite unexpected. After dyeing is completed, the dyed fabric may be de-sized in a suitable scouring bath. The size employed may comprise a casein or gelatin base. size, for example.
The lower aliphatic alcohols which are suitable for use in forming the solvent dyebaths'which we employ for the pad-dyeing operation are those alcohols which are solvents for the dyestuffs employed and which exert at least a swelling or softening action on the organic derivative of cellulose materials. 'While we prefer to employ ethyl alcohol in forming the dyebath, other a1cohols such as methyl alcohol, propyl alcohol, isopropyl alcohol, n-butyl alcohol, secondary butyl alcohol, tertiary butyl alcohol, n-amyl alcohol, secondary amyl alcohol and tertiary amyl alcohol, or mixture of these alcohols may be used. The amount of the alcohol used in the dye liquor will vary depending upon the alcohol or alcohols used.
Optimum results are obtained when the lower are first scoured and dyeing then effected by a mechanical impregnation method such as padding, the staple fiber ends which project from the surface of the fabrics are dyed a considerably deeper shade than the'main body of the 'fabric. This results in a dyed fabric presenting an unevenly dyed appearance.
I have now found that fabrics madeof or con taining spun yarns of staple fibers of cellulose acetate or other organic derivative of cellulose material may be dyed rapidlyin even, level shades bymechanical impregnation methods, such as pad-dyeing, and without anyoverdjr'eingbf the surface fibers if said fabrics are dyed in theraw state, without priorscouring, and while still containingthe size originally placed thereon to aid the weaving operation. The most advantageous results are obtained, in accordancewith my novel process, if the dyebathemployedfor dyeing said raw,- sized fabrics by mech'anical impregnation methods comprises an aqueous alcohol solution of achieved employing sodium thiocyanate.
aliphatic alcohol employed is ethyl alcohol and the latter comprises at least 60% by weight of the dyebath.
As examples of swelling agents for the organic derivative of cellulose materials, there may be mentioned the salts of thiocyanic acid such as ammonium thiocyanate, sodium thiocyanate and potassium thiocyanate, as well as other salts such as zincthiocyanate. Optimum results are The swelling agent is preferably present in amounts of from 1 to, 3% on the weight of the dyebath.
Various 'dyestufl fs for the cellulose acetate or organic derivative of cellulose materials may be employed in accordance with my novel process.
The dyestuffs employed are preferably those dyes which are relatively insoluble in water and which are usually appliedto organic acid ester of cellulose materials in the form of aqueous dispersions.
= f Mixtures of dyestuffs may also be employed.
Theamount of dyestuff dissolved in the dyebath will, of course, vary with the final shade desired in the material which is being dyed and may be from as low a's0.01% up to 5.0% based on the weight of the material to be dyed. Thus, as
a continuous process, the raw, sized fabric may be unwound from a roll, passed through a solution of the dyestuff, then between nipping rolls of a padding mangle which are adjusted to permit the desired amount of dye liquor to be retained in the fabric, and the fabric then subjected directly to washing or scouring whereby the size and any excess dyestuff removed. The duration of the immersion of the fabric in the dye liquor is relatively short and may be from 1 to 6 seconds. If desired, the fabric may be processed through the padding mangle at speeds ranging up to 60 yards per minute.
The staple fibers comprising the spun yarns in the fabrics dyed in accordance with my novel process may have a basis of cellulose acetate or other organic derivative of cellulose. Examples of other organic derivatives of cellulose are cellulose esters such as cellulose propionate, cellulose butyrate, cellulose acetate-propionate and cellulose acetatebutyrate, as well as cellulose ethers such as ethyl cellulose and benzyl cellulose.
In order further to illustrate my' invention, but without being limited thereto, the following examples are given:
Example I A warp of 150 denier, 40 filament cellulose acetate yarn and a 150 denier filling yarn spun of cellulose acetate staple fiber is sized with a size of the following composition applied on a slasher at 140F.
Parts by weight Casein H 50 Triethanolamine 10 Triethyl phosphate 3 Water 1,000
The sized yarns are then woven in the usual manner into a heavy suiting fabric,
The woven fabric containing the weaving size is then padded through a dye solution of the following composition employing a suitable padding mangle:
' 1 Parts by weight Ethyl alcohol (95%) 60 Water 38 Sodium thiocyanate 2 l :4-dimethylamino-anthraquinone 1.5
Cellulose acetate yarns of the deniers and construction described in Example I are sized on a slasher at 150 F. with a size of the following composition.
Parts by weight Gelatin 50 Sulfated fatty oil 3.9 Fatty oil 3.9 Soap 1.7 Water 1,000
Salt v 0.1 Diethylene glycol mono-ethyl ether 5 Sodium ortho-phenyl phenate i.-s 0.5
The sized yarns are then woven into a heavy suiting fabric.
The woven fabric containing the weaving size is then padded through a dye solution of the following composition employing a suitable padding mangle:
Parts by weight Ethyl alcohol 60 Water 38 Sodium thiocyanate 2 1-hydroxy-4-amino-anthraquinone 1.5
The dyed fabric containing the weaving size is then set to a jig for two ends and scoured as described in Example I to remove the size. The scoured fabric is dried and is found to be dyed in a level, even red shade free of overdyed surface fibers.
It is to be understood that the foregoing detailed description is given merely by way of illustration and that many variations ma be made therein without departing from the spirit of my invention.
Having described my invention, what I desire to secure by Letters Patent is:
1. Process for the coloration of fabrics containing spun yarns of organic derivative of eellulose staple fibers, having thereon a proteinaceous size, in level, even shades free of overdyed surface fibers, which comprises padding said fabrics of said sized spun yarns with a solution of a dyestufi for the organic derivative of cellulose material in an aqueous medium comprising a lower aliphatic alcohol and an inorganic swelling agent for the organic derivative of cellulose material and then souring said dyed fabric to remove the size therefrom.
2. Process for the coloration of fabrics containing spun yarns of cellulose acetate staple fibers, having thereon a proteinaceous size, in level, even shades free of overdyed surface fibers, which comprises padding said fabrics of said sized spun yarns with a solution of a dyestufi for the cellulose acetate material in an aqueous medium comprising a lower aliphatic alcohol and an inorganic swelling agent for the cellulose acetate material and then scouring said dyed fabric to remove the size therefrom.
3. Process for the coloration of fabrics containing spun yarns of organic derivative of cellulose staple fibers, having thereon a proteinaceous size, in level, even shades free of overdyed surface fibers, which comprises padding said fabrics of said sized spun yarns with a solution of a dyestuif for the organic derivative of cellulose material in an aqueous medium comprising a lower aliphatic alcohol and a salt of thiocyanic acid which is a swelling agent for the organic derivative of cellulose material and then scouring said dyed fabric to remove the size therefrom. l
4. Process for the coloration of fabrics containing spun yarns of cellulose acetate staple fibers, having thereon a proteinaceous size, in
' level, even shades free of overdyed surface fibers,
which comprises padding said fabrics of said sized spun yarns with a solution of a dyestuff for the cellulose acetate material in an aqueous medium comprising a lower aliphatic alcohol and a salt of thiocyanic acid which is a swelling agent for the cellulose acetate material and then scouring said dyed fabric to remove the size therefrom.
5. Process for the coloration of fabrics containing spun yarns of cellulose acetate staple fibers, having thereon a proteinaceous size, in level, even shades free, from overdyed surface fibers, which comprises padding said fabrics of said sized spun yarns with a solution of a dyestufi-for the cellulose acetate material in an aquedus medium comprising at least 60% by weight of ethyl alcohol-{and from 1 to 3% by weight of sodium thiocyanate and then scouring said'fd'yed fabric to remove the size therefrom.
,fiiProcess for the coloration of fabrics containing spun yarns of cellulose acetate staple fibers, having thereon a .proteinaceous size, in level; even shades free of overdyed surface fibers, which comprises padding said fabrics of said-sized spun yarns with a solution of 1:4-dimethylamino-anthraquinone in an aqueous medium comprising at least 60% by weight of ethyl alcohol and from 1 to 3% by weight of sodium thiocyanate and then scouring said dyed fabric to remove the size therefrom.
v 7., Process for the coloration of fabrics containing spun yarns of cellulose acetate staple fibers, having thereon a. proteinaceous size, in level, even shades free of overdyed surface fibers, which comprises padding said fabrics of REFERENCES CITED The following references are of record in the file of this patent:
UNITED STATES PATENTS- Number Name Date 1,883,346 Dreyfus Oct. 18, 1932 2,003,409 Whitehead June 4, 1935 2,274,751 Sowter Mar. 3, 1942 2,428,835 Croft Oct. 14, 1947 OTHER REFERENCES Amer. Dye. Rep. for November 15, 1937, page 711.
Claims (1)
1. PROCESS FOR THE COLORATION OF FABRICS CONTAINING SPUN YARNS OF ORGANIC DERIVATIVE OF CELLULOSE STAPLE FIBERS, HAVING THEREON A PROTEINANCEOUS SIZE, IN LEVEL, EVEN SHADES FREE OF OVERDYED SURFACE FIBERS, WHICH COMPRISES PADDING SAID FABRICS OF SAID SIZED SPUN YARNS WITH A SOLUTION OF A DYESTUFF FOR THE ORGANIC DERIVATIVE OF CELLULOSE MATERIAL IN AN AQUEOUS MEDIUM COMPRISING A LOWER ALIPHATIC ALCOHOL AND AN INORGANIC SWELLING AGENT FOR THE ORGANIC DERIVATIVE OF CELLULOSE MATERIAL AND THEN SOURING SAID DYED FABRIC TO REMOVE THE SIZE THEREFROM.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US2511938A true US2511938A (en) | 1950-06-20 |
Family
ID=3437250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US2511938D Expired - Lifetime US2511938A (en) | Pad dyeing of cellulose derivative |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US2511938A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3153563A (en) * | 1960-10-19 | 1964-10-20 | Celanese Corp | Process for dyeing cellulose trifsters with disperse acetate dyes in the presence ofan organic liquid |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1883346A (en) * | 1932-10-18 | Lb dbeypus | ||
| US2003409A (en) * | 1933-10-03 | 1935-06-04 | Celanese Corp | Sizing and dyeing of textiles |
| US2274751A (en) * | 1942-03-03 | Materials | ||
| US2428835A (en) * | 1943-10-21 | 1947-10-14 | Celanese Corp | Dyeing of fabrics comprising cellulose acetate with an alcohol-thiocyanate swelling mixture |
-
0
- US US2511938D patent/US2511938A/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1883346A (en) * | 1932-10-18 | Lb dbeypus | ||
| US2274751A (en) * | 1942-03-03 | Materials | ||
| US2003409A (en) * | 1933-10-03 | 1935-06-04 | Celanese Corp | Sizing and dyeing of textiles |
| US2428835A (en) * | 1943-10-21 | 1947-10-14 | Celanese Corp | Dyeing of fabrics comprising cellulose acetate with an alcohol-thiocyanate swelling mixture |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3153563A (en) * | 1960-10-19 | 1964-10-20 | Celanese Corp | Process for dyeing cellulose trifsters with disperse acetate dyes in the presence ofan organic liquid |
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