GB733102A - A method of improving the dyeing properties of shaped polyvinyl alcohol structures - Google Patents
A method of improving the dyeing properties of shaped polyvinyl alcohol structuresInfo
- Publication number
- GB733102A GB733102A GB854653A GB854653A GB733102A GB 733102 A GB733102 A GB 733102A GB 854653 A GB854653 A GB 854653A GB 854653 A GB854653 A GB 854653A GB 733102 A GB733102 A GB 733102A
- Authority
- GB
- United Kingdom
- Prior art keywords
- amino
- polyvinyl alcohol
- fibres
- per cent
- treated
- 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
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/58—Material containing hydroxyl groups
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Coloring (AREA)
- Artificial Filaments (AREA)
Abstract
The dyeing properties of heat-treated polyvinyl alcohol fibres which shrink in water of 80 DEG C. not more than 5 per cent of their original length are improved by treating the fibres which contain at least 80 per cent by weight of polyvinyl alcohol with an amino compound selected from secondary amino-aldehydes, secondary amino-acetals, tertiary amino-aldehydes and tertiary amino-acetals. The fibres may be treated with an aqueous acid solution containing an aliphatic aldehyde containing 1 to 3 carbon atoms and subsequently with the amino-compound or this compound may be present in the solution. The fibres may be preheated at 140-225 DEG C. and the amine treatment may take place at 30-90 DEG C. An aqueous solution of polyvinyl alcohol may be spun into a coagulating bath containing an inorganic salt, the fibre so obtained dried, heated at 140-225 DEG C., treated with the aldehyde to acetalize at least 25 per cent of the hydroxyl groups, and then with the amino compound until at least 0.1 per cent of nitrogen is bound by the polyvinyl alcohol.ALSO:The dyeing properties of heat-treated polyvinyl alcohol fibres which shrink in water of 80 DEG C. not more than 5 per cent of their original length are improved by treating the fibres, which contain at least 80 per cent by weight of polyvinyl alcohol, with an amino compound selected from secondary amino-aldehydes, secondary amino-acetals, tertiary amino-aldehydes and tertiary amino-acetals. The fibres may be treated with an aqueous acid solution containing an aliphatic aldehyde containing 1 to 3 carbon atoms and subsequently with the amino-compound or this compound may be present in the solution. The fibres may be preheated at 140-225 DEG C. and the amino treatment may take place at 30-90 DEG C. An aqueous solution of polyvinyl alcohol may be spun into a coagulating bath containing an inorganic salt, the fibre so obtained dried, heated at 140-225 DEG C., treated with the aldehyde to acetalize at least 25 per cent of the hydroxyl groups, and then with the amino compound until at least 0.1 per cent of nitrogen is bound by the polyvinyl alcohol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB854653A GB733102A (en) | 1953-03-27 | 1953-03-27 | A method of improving the dyeing properties of shaped polyvinyl alcohol structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB854653A GB733102A (en) | 1953-03-27 | 1953-03-27 | A method of improving the dyeing properties of shaped polyvinyl alcohol structures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB733102A true GB733102A (en) | 1955-07-06 |
Family
ID=9854536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB854653A Expired GB733102A (en) | 1953-03-27 | 1953-03-27 | A method of improving the dyeing properties of shaped polyvinyl alcohol structures |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB733102A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3251795A (en) * | 1959-04-07 | 1966-05-17 | Kurashiki Rayon Co | Stable emulsions of vinyl polymers and process of producing same |
-
1953
- 1953-03-27 GB GB854653A patent/GB733102A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3251795A (en) * | 1959-04-07 | 1966-05-17 | Kurashiki Rayon Co | Stable emulsions of vinyl polymers and process of producing same |
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