US1839967A - Ministrator - Google Patents
Ministrator Download PDFInfo
- Publication number
- US1839967A US1839967A US1839967DA US1839967A US 1839967 A US1839967 A US 1839967A US 1839967D A US1839967D A US 1839967DA US 1839967 A US1839967 A US 1839967A
- Authority
- US
- United States
- Prior art keywords
- copper sulfate
- ministrator
- basel
- acetic anhydride
- immunizing
- 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
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 12
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 229960000355 copper sulfate Drugs 0.000 description 6
- 229910000365 copper sulfate Inorganic materials 0.000 description 6
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 6
- 239000000835 fiber Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 235000013311 vegetables Nutrition 0.000 description 4
- 238000009967 direct dyeing Methods 0.000 description 3
- 230000003053 immunization Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 101100020619 Arabidopsis thaliana LATE gene Proteins 0.000 description 1
- 241000501754 Astronotus ocellatus Species 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B3/00—Preparation of cellulose esters of organic acids
- C08B3/06—Cellulose acetate, e.g. mono-acetate, di-acetate or tri-acetate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B3/00—Preparation of cellulose esters of organic acids
- C08B3/20—Esterification with maintenance of the fibrous structure of the cellulose
Definitions
- Hitherto vegetable fibers have been immunizcd to directdyeing dyestuffs by means of acetic anhydride by treating the fibers for a long time with the aeylating agent, to which a catalyst has been added.
- the present invention essentially simplifies this process, in that the textile to be immunized is first treated with a heavy metal salt of a strong acid, such as copper sulfate or cop per sulfate in the presence of a. very small amount of sulfuric acid, as is the case with crude copper sulfate, and then acylated by means of. an acylating mixture.
- a heavy metal salt of a strong acid such as copper sulfate or cop per sulfate
- sulfuric acid as is the case with crude copper sulfate
- the advantage of the invention resides in the substantial shortening of the acylating operation, which is reduced by the invention from several hours or days to a fraction of an hour.
- a process for immunizing vegetable fibers to direct dyeing dyestuffs by means of acetic anhydride wherein the ve etable fiber is first treated with a solution 0 copper sulfate in the presence at a very small amount of sulfuric acid and then, after preliminary gryng, acylated by means of acetic anhy- Deceased.
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Coloring (AREA)
Description
Patented Jan. 5, 1932 UNITED STATES PATENT OFFICE OSCAR JAECK, DECEASED, LATE OF REINACII, NEAR BASEL, I BY WOLFGANG JAECK, AD-
MINISTRATOR, OF BASEL, SWITZERLAND, AND FRITZ SCH'U'TZ, OF BASEL, SWITZER- LAND, ASSIGNORS TO THE FIRM F SOCIETY OF CHEMICAL INDUSTRY IN BASLE, OF
BASEL, SWITZERLAND PROCESS OF MAKING ACIDYL CELLULOSE No Drawing. Application filed June 27, 1929, Serial No. 374,268, and in Switzerland July 13, 1928.
Hitherto vegetable fibers have been immunizcd to directdyeing dyestuffs by means of acetic anhydride by treating the fibers for a long time with the aeylating agent, to which a catalyst has been added.
The present invention essentially simplifies this process, in that the textile to be immunized is first treated with a heavy metal salt of a strong acid, such as copper sulfate or cop per sulfate in the presence of a. very small amount of sulfuric acid, as is the case with crude copper sulfate, and then acylated by means of. an acylating mixture. The advantage of the invention resides in the substantial shortening of the acylating operation, which is reduced by the invention from several hours or days to a fraction of an hour.
The following example illustrates the invention 1 kilo of the usual prepared cotton is im;
pregnated with a solution of crude copper sulfate of 1 per cent. strength and then hydroextracted and dried. The goods are then immersed in 10 parts of acetic anhydride at the temperature of the water-bath. At the end of half-an-hour, the immunizing is complete, whereupon the goods are removed, hydro-extracted, rinsed and dried.
What we claim is 1. A process for immunizing vegetable fibers to direct dyeing dyestuffs by means of acetic anhydride, wherein the vegetable fiber is first treated with a solution of copper sulfate in the presence of a very small amount of sulfuric acid and then, after preliminary drying, acylated by means of an acylating agent.
2. A process for immunizing vegetable fibers to direct dyeing dyestuffs by means of acetic anhydride, wherein the ve etable fiber is first treated with a solution 0 copper sulfate in the presence at a very small amount of sulfuric acid and then, after preliminary gryng, acylated by means of acetic anhy- Deceased.
FRl TZ SCHUTZ.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US1839967A true US1839967A (en) | 1932-01-05 |
Family
ID=3422916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US1839967D Expired - Lifetime US1839967A (en) | Ministrator |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US1839967A (en) |
-
0
- US US1839967D patent/US1839967A/en not_active Expired - Lifetime
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US1839967A (en) | Ministrator | |
| US2726133A (en) | Effect threads | |
| US1812790A (en) | Wolfgang jaeck | |
| US2035483A (en) | Treatment of textile materials | |
| DE1080963B (en) | Whitening agents | |
| US2093576A (en) | Sulphonated esters of fatty acids and methods of making the same | |
| GB339300A (en) | Improvements in the treatment of fabrics | |
| US2270520A (en) | Process for improving materials containing cellulose | |
| US2146116A (en) | Process for treating artificial casein fibers | |
| US1856033A (en) | Artificial forms or threads fast to water and easily dyed and process of making same | |
| US3472609A (en) | Bleaching of jute | |
| US1844718A (en) | Process for the manufacture of cellulose acetate | |
| US2220805A (en) | Treatment for animal fiber | |
| US2153701A (en) | Process for dyeing animal fibers with complex chromium compounds of azo dyestuffs | |
| US1500255A (en) | Process for the production of effect threads with animal fibers | |
| US2103452A (en) | Treatment of textile materials | |
| US1727862A (en) | Manufacture of leather substitutes | |
| DE728157C (en) | Process for improving the fastness properties of dyeings with substantive dyes on cellulose fibers against non-alkaline treatment | |
| US2200452A (en) | Method of producing cellulosic fibers having affinity for acid dyes | |
| US2117614A (en) | Production of fast dyeings | |
| DE1094699B (en) | Post-treatment agent for colorings | |
| US1633617A (en) | oe basel | |
| US1893239A (en) | Coloration of textile material | |
| US1717322A (en) | Treating cotton fibers to produce woollike effects | |
| US1634012A (en) | T offiff |