CH155273A - Process for the manufacture of aromatic amide preparations of salicylic acids intended for the protection of textile products, seeds, etc. against fungal vegetations and preparation obtained by this process. - Google Patents
Process for the manufacture of aromatic amide preparations of salicylic acids intended for the protection of textile products, seeds, etc. against fungal vegetations and preparation obtained by this process.Info
- Publication number
- CH155273A CH155273A CH155273DA CH155273A CH 155273 A CH155273 A CH 155273A CH 155273D A CH155273D A CH 155273DA CH 155273 A CH155273 A CH 155273A
- Authority
- CH
- Switzerland
- Prior art keywords
- protection
- manufacture
- aromatic amide
- seeds
- textile products
- Prior art date
Links
- 150000008430 aromatic amides Chemical class 0.000 title claims description 10
- 238000000034 method Methods 0.000 title claims description 10
- 238000002360 preparation method Methods 0.000 title claims description 6
- 230000002538 fungal effect Effects 0.000 title claims description 4
- 150000003870 salicylic acids Chemical class 0.000 title claims description 4
- 239000004753 textile Substances 0.000 title claims description 4
- 238000004519 manufacturing process Methods 0.000 title claims description 3
- YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical compound OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 claims description 11
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 6
- FJKROLUGYXJWQN-UHFFFAOYSA-N papa-hydroxy-benzoic acid Natural products OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 claims description 6
- 229960004889 salicylic acid Drugs 0.000 claims description 6
- 239000000080 wetting agent Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 239000000047 product Substances 0.000 claims description 4
- 239000007859 condensation product Substances 0.000 claims description 3
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 claims description 2
- 229920002678 cellulose Polymers 0.000 claims description 2
- 239000001913 cellulose Substances 0.000 claims description 2
- 230000012010 growth Effects 0.000 claims description 2
- 239000006188 syrup Substances 0.000 claims description 2
- 235000020357 syrup Nutrition 0.000 claims description 2
- 150000001408 amides Chemical class 0.000 claims 2
- 239000000463 material Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- -1 for example Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- WKEDVNSFRWHDNR-UHFFFAOYSA-N salicylanilide Chemical compound OC1=CC=CC=C1C(=O)NC1=CC=CC=C1 WKEDVNSFRWHDNR-UHFFFAOYSA-N 0.000 description 2
- 159000000000 sodium salts Chemical class 0.000 description 2
- 239000004744 fabric Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- PSZYNBSKGUBXEH-UHFFFAOYSA-N naphthalene-1-sulfonic acid Chemical compound C1=CC=C2C(S(=O)(=O)O)=CC=CC2=C1 PSZYNBSKGUBXEH-UHFFFAOYSA-N 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 229950000975 salicylanilide Drugs 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
Procédé pour la fabrication de préparations d'amides aromatiques d'acides salicyliques destinées à la protection des produits textiles, graines, etc. contre les végétations fongiques et préparation obtenue par ce procédé. Le brevet anglais n 323579 du 18 octo bre 1928 décrit l'utilisation des amides aro matiques des acides salicyliques pour la protection des textiles et des autres mar chandises, graines, matières, produits, etc. contre le mildiou et autres végétations fon giques. On a constaté que, lorsque ces substances sont utilisées de la manière décrite dans ce brevet, c'est-à-dire en suspension, il est difficile d'assurer la protection uniforme des matières ainsi traitées.
Ce défaut pré sente spécialement des inconvénients lorsque l'on applique le procédé aux tissus. L'amide aromatique libre, par exemple le salicylani- lide, est obtenue industriellement sous la forme d'une poudre granuleuse à laquelle l'eau ne se mélange pas facilement pour obtenir une pâte lisse; elle est .en conséquence difficile à manipuler avec son application ; c'est principalement pour cette raison que l'on n'obtient pas facilement une protection uniforme des matières, ayant constaté que l'on obtient les meilleurs résultats au point de vue protection en appliquant l'amide aro matique de l'acide salicylique à l'état libre et non sous la forme, par exemple, d'un sel de sodium.
La demanderesse a constaté, et l'inven tion est basée sur cette découverte, que ces défauts disparaissent lorsque les amides aro matiques de l'acide salicylique sont utilisées à l'état de division suffisamment fine.
L'invention consiste en un procédé, et dans le produit qui en résulte, de broyage d'une amide aromatique de l'acide salicylique avec de l'eau en présence d'un agent de mouillage tel que, par exemple, des savons, des composés organiques sulfonés à poids molé culaire élevé, etc., jusqu'à ce que toutes les particules d'amide aromatique d'acide salicy- lique aient des dimensions linéaires inférieures à 2 @.c.
Les produits sulfonés de condensation du naphtalène et de la formaldéhyde, ainsi que celui connu sous le nom de bébène ou sirop de sulfite de cellulose, sont des agents de mouillage particulièrement efficaces.
Dans la forme préférée de réalisation de l'invention, on mélange 25 parties d'anilide salicylique anhydre avec 25 parties d'eau et 2,5 parties d'une solution à 50 % du sel de sodium d'un produit de condensation de la formaldéhyde avec l'acide naphtalène sul- fonique préparé, par exemple,
de la manière décrite dans l'exemple 1 du brevet anglais n 7.137A913 du 25 mars 1913, et le mé lange est broyé dans un appareil mécanique jusqu'au moment où les particules solides ont, en majorité, des dimensions d'environ 1 tc.
Process for the manufacture of aromatic amide preparations of salicylic acids intended for the protection of textile products, seeds, etc. against fungal vegetations and preparation obtained by this process. British Patent No. 323579 of October 18, 1928 describes the use of aromatic amides of salicylic acids for the protection of textiles and other goods, seeds, materials, products, etc. against mildew and other fungal growths. It has been found that when these substances are used in the manner described in this patent, i.e. in suspension, it is difficult to ensure uniform protection of the materials thus treated.
This defect presents especially disadvantages when applying the method to fabrics. The free aromatic amide, for example salicylanilide, is obtained industrially in the form of a granular powder with which water does not mix easily to obtain a smooth paste; it is consequently difficult to handle with its application; it is mainly for this reason that uniform protection of the materials is not easily obtained, having found that the best results from the point of view of protection are obtained by applying the aromatic amide of salicylic acid to the free state and not in the form, for example, of a sodium salt.
The Applicant has observed, and the invention is based on this discovery, that these defects disappear when the aromatic amides of salicylic acid are used in the state of sufficiently fine division.
The invention consists of a process, and the resulting product, of grinding an aromatic amide of salicylic acid with water in the presence of a wetting agent such as, for example, soaps, high molecular weight sulfonated organic compounds, etc., until all particles of salicylic acid aromatic amide have linear dimensions of less than 2%.
The sulfonated condensation products of naphthalene and formaldehyde, as well as that known as bebene or cellulose sulfite syrup, are particularly effective wetting agents.
In the preferred embodiment of the invention, 25 parts of anhydrous salicylic anilide are mixed with 25 parts of water and 2.5 parts of a 50% solution of the sodium salt of a condensation product of the. formaldehyde with prepared naphthalene sulphonic acid, for example,
in the manner described in Example 1 of British Patent No. 7,137A913 of March 25, 1913, and the mixture is ground in a mechanical apparatus until the moment when the solid particles have, for the most part, dimensions of about 1 tc .
Claims (1)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB155273X | 1930-04-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH155273A true CH155273A (en) | 1932-06-15 |
Family
ID=10060700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH155273D CH155273A (en) | 1930-04-09 | 1931-04-09 | Process for the manufacture of aromatic amide preparations of salicylic acids intended for the protection of textile products, seeds, etc. against fungal vegetations and preparation obtained by this process. |
Country Status (1)
| Country | Link |
|---|---|
| CH (1) | CH155273A (en) |
-
1931
- 1931-04-09 CH CH155273D patent/CH155273A/en unknown
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