SU131A1 - The method of obtaining the condensation product of betanaftol with formaldehyde - Google Patents
The method of obtaining the condensation product of betanaftol with formaldehydeInfo
- Publication number
- SU131A1 SU131A1 SU76204A SU76204A SU131A1 SU 131 A1 SU131 A1 SU 131A1 SU 76204 A SU76204 A SU 76204A SU 76204 A SU76204 A SU 76204A SU 131 A1 SU131 A1 SU 131A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- formaldehyde
- condensation product
- obtaining
- betanaftol
- naphthol
- Prior art date
Links
Description
Предметом насто щего изобретени вл етс способ получени продукта конденсации бэтанафтола с формальдегидом в присутствии солей сернистой кислоты и щелочей. Полученный продукт может быть выгодно применен 15 текстильной промышленности дл закреплени основных красок на хлопчато-бумажных ткан х, вместо других уже известных закрепителей, напр., продукта конденсации формалина с резорцином , танина и других, перед которыми он, по мнению автора, имеет то преимущество, что он не подвергаетс окислению воздухом и вл етс продуктом посто нным.The object of the present invention is a process for the preparation of a condensation product of beta-naphthol with formaldehyde in the presence of sulfuric acid salts and alkalis. The resulting product can be advantageously applied by the 15 textile industry to fix basic dyes on cotton fabrics, instead of other already known fixers, for example, the condensation product of formalin with resorcinol, tannin and others, to which, according to the author, has the advantage that it is not subject to oxidation by air and is a constant product.
При получении вышеуказанного продукта , реакци , по опытам автора, происходит следующим образом. При слабом нагревании бэтанафтола с формальдегидом в присутствии незначительного количества калнумсульфита, формальдегид и бэтанафтол вступают в реакцию в соотношени х, близких к их молекул рным весам; калиумсульфит служит, повидимому, катализатором. При помеп1ивании реакци начинаетс спуст коротко еврем , при чем бэтанафтол принимает вид маслообразного вепхества на дне сосуда, а далее, при повышающейс температуре, происходит энергичное взаимодействие бэтанафтола и формальдегида и окончательный продукт конденсации принимает твердую консистенцию .Upon receipt of the above product, the reaction, according to the experiments of the author, is as follows. With weak heating, formaldehyde and beta-naphthol in the presence of insignificant amounts react with formaldehyde and beta-naphthol in ratios close to their molecular weights; kaliumsulfite apparently serves as a catalyst. When the reaction is started, the reaction starts shortly afterwards, at which the batanaftol takes the form of an oily liquid at the bottom of the vessel, and then, with increasing temperature, there is a vigorous interaction of the beta-naphthol and formaldehyde and the final condensation product takes on a solid consistency.
Пример:Example:
75 гр. бэтанафтола, 45 гр. формалина и 15 гр. калиумсулГ)фита нагревают при помешивании в открытом сосуде до и прибавл ют 135 гр. каустика и 1200 гр. воды. Реакци кончаетс твердым продуктом конденсации.75 gr. Batanaftol, 45 gr. formalin and 15 gr. kalyumsulg) fita is heated with stirring in an open vessel until and add 135 gr. caustic and 1200 gr. water. The reaction ends with a solid condensation product.
ПРЕДМЕТ ИЗОБРЕТЕНИЯ.SUBJECT OF INVENTION.
Способ получени продукта конденсации р - нафтола с формальдегидом, отличающийс тем, что |5-нафтол нагревают с водным раствором формальдегида в присутствии солей сернистой кислоты и щелочей.A method of obtaining a condensation product of p-naphthol with formaldehyde, characterized in that | 5-naphthol is heated with an aqueous solution of formaldehyde in the presence of sulfuric acid salts and alkalis.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU76204K SU132A1 (en) | 1923-01-05 | 1923-01-05 | The method of obtaining insoluble varnishes basic dyes in the substance and on the fibers |
| SU76204A SU131A1 (en) | 1923-01-05 | 1923-01-05 | The method of obtaining the condensation product of betanaftol with formaldehyde |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU76204A SU131A1 (en) | 1923-01-05 | 1923-01-05 | The method of obtaining the condensation product of betanaftol with formaldehyde |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU131A1 true SU131A1 (en) | 1924-09-15 |
Family
ID=48326954
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU76204A SU131A1 (en) | 1923-01-05 | 1923-01-05 | The method of obtaining the condensation product of betanaftol with formaldehyde |
| SU76204K SU132A1 (en) | 1923-01-05 | 1923-01-05 | The method of obtaining insoluble varnishes basic dyes in the substance and on the fibers |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU76204K SU132A1 (en) | 1923-01-05 | 1923-01-05 | The method of obtaining insoluble varnishes basic dyes in the substance and on the fibers |
Country Status (1)
| Country | Link |
|---|---|
| SU (2) | SU131A1 (en) |
-
1923
- 1923-01-05 SU SU76204A patent/SU131A1/en active
- 1923-01-05 SU SU76204K patent/SU132A1/en active
Also Published As
| Publication number | Publication date |
|---|---|
| SU132A1 (en) | 1924-09-15 |
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