GB351417A - Improvements in or relating to materials made of or containing organic esters of cellulose - Google Patents
Improvements in or relating to materials made of or containing organic esters of celluloseInfo
- Publication number
- GB351417A GB351417A GB930330A GB930330A GB351417A GB 351417 A GB351417 A GB 351417A GB 930330 A GB930330 A GB 930330A GB 930330 A GB930330 A GB 930330A GB 351417 A GB351417 A GB 351417A
- Authority
- GB
- United Kingdom
- Prior art keywords
- materials
- saponification
- threads
- fibres
- cellulose
- 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
Links
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
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/22—Effecting variation of dye affinity on textile material by chemical means that react with the fibre
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
- D01F2/24—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives
- D01F2/28—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives from organic cellulose esters or ethers, e.g. cellulose acetate
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/38—Oxides or hydroxides of elements of Groups 1 or 11 of the Periodic System
- D06M11/385—Saponification of cellulose-acetate
Abstract
The process for the saponification of materials made of a containing cellulose acetate or other organic esters of cellulose as described in the parent Specification and in Specification 318,468, [Class 2 (ii), Cellulose &c.], is carried out in the case of filaments, threads, yarns, ribbons, &c., by applying the saponifying agent to the travelling materials and immediately drying the same under the application of heat. The saponifying agent is conveniently applied continuously with the production of the threads &c., for example, as they leave a dry or wet spinning apparatus or as they emerge from an after-treatment bath; or the saponifying agent may be applied as the materials are being wound from one package to another, or during a washing operation in which case it may precede and be combined with a sizing operation. The saponification may also be combined with operations designed to produce particular effects such as modification of the lustre, the production of metallic effects, the dyeing of the material, or the imparting of a fugitive colouration for identification purposes. It is convenient to treat a number of yarns simultaneously. The dyeing properties of the materials depend on the depth and extent of the saponification; thus, if saponification is complete, the materials acquire an affinity for cotton dyes, but if not complete, materials may be obtained which have an affinity for both cotton dyes and cellulose ester dyes, for example, the dispersed insoluble colours. For the purpose of obtaining cross-dyed effects such fibres may be mixed with completely saponified fibres or with fibres saponified to a less extent. As another alternative, completely saponified fibres may be mixed with unsaponified fibres; and generally any of the saponified fibres, whether the saponification be complete, partial or superficial, may be mixed with other fibres of artificial, animal or vegetable origin. The saponification process may be applied to mixed yarns. When a number of threads are treated together, the process may be arranged so that differential saponification occurs, for example, by arranging that certain threads are caused to follow a different path or are treated with a stronger saponifying agent or for a longer time, other threads being saponified to a less extent or not at all. Differential effects may also be produced along the length of certain threads. The saponified threads &c. wet out more quickly, are less liable to crease, and have an improved safe-ironing point. The saponifying agent is preferably employed as a solution, which may be applied in a bath through which the materials pass, or by means of a wick, roller, &c., or as a spray; but a paste may be used, in which case it may be applied by a roller. The solution or paste may be applied uniformly to the threads or at selected points along their length, in order to obtain differential effects, as in Specification 332,263, [Class 2 (ii), Cellulose &c.]. Materials capable of producing coloured or other effects may be incorporated in the solution or paste. In order to secure uniform saponification it is preferred to employ a solution or paste containing a low concentration of alkali, for example, of 1-5 per cent of caustic soda. The saponification is preferably carried out at temperatures below 85 DEG C., and the materials after the application of the saponifying agent are quickly dried without washing, preferably at 65-85 DEG C., by passage round heated cans or rollers, or over a hot plate, or through a heated atmosphere. After drying, the materials are washed either with water or, if cross-dyeing effects are subsequently to be produced, with dilute hydrochloric acid; washing may be effected by passage through a bath or by padding rolls. The materials may be dyed prior to or during saponification, in the latter case by incorporating dyes having an affinity for cotton in the saponifying medium. Specification 330,950, [Class 2 (ii), Cellulose &c.], is referred to.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE363405D BE363405A (en) | 1930-03-24 | ||
GB930330A GB351417A (en) | 1928-07-28 | 1930-03-24 | Improvements in or relating to materials made of or containing organic esters of cellulose |
FR713184D FR713184A (en) | 1930-03-24 | 1931-03-13 | Improvements to materials consisting of or containing organic esters of cellulose |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US296094A US1884622A (en) | 1928-07-28 | 1928-07-28 | Treatment of fabric containing cellulose esters |
US303600A US1884623A (en) | 1928-09-01 | 1928-09-01 | Process of partial saponification of cellulose ester material and product thereof |
GB930330A GB351417A (en) | 1928-07-28 | 1930-03-24 | Improvements in or relating to materials made of or containing organic esters of cellulose |
Publications (1)
Publication Number | Publication Date |
---|---|
GB351417A true GB351417A (en) | 1931-06-24 |
Family
ID=27255343
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB930330A Expired GB351417A (en) | 1928-07-28 | 1930-03-24 | Improvements in or relating to materials made of or containing organic esters of cellulose |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB351417A (en) |
-
1930
- 1930-03-24 GB GB930330A patent/GB351417A/en not_active Expired
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