SU124798A1 - Method for tanning gelatinous layers - Google Patents

Method for tanning gelatinous layers

Info

Publication number
SU124798A1
SU124798A1 SU620969A SU620969A SU124798A1 SU 124798 A1 SU124798 A1 SU 124798A1 SU 620969 A SU620969 A SU 620969A SU 620969 A SU620969 A SU 620969A SU 124798 A1 SU124798 A1 SU 124798A1
Authority
SU
USSR - Soviet Union
Prior art keywords
tanning
solution
salts
basicity
gelatinous
Prior art date
Application number
SU620969A
Other languages
Russian (ru)
Inventor
Б.Б. Беркенгейм
З.М. Чуева
Original Assignee
Б.Б. Беркенгейм
З.М. Чуева
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Б.Б. Беркенгейм, З.М. Чуева filed Critical Б.Б. Беркенгейм
Priority to SU620969A priority Critical patent/SU124798A1/en
Application granted granted Critical
Publication of SU124798A1 publication Critical patent/SU124798A1/en

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  • Treatment And Processing Of Natural Fur Or Leather (AREA)

Description

I) двухромовокислый натрий , серна  кислота (уд. в. 1,83) сульфит натри  безводный хлористый натрий:I) sodium dichromate, sulfuric acid (sp. C. 1.83) sodium sulfite anhydrous sodium chloride:

водаwater

20 г20 g

11 .«311. "3

30 г30 g

60 г60 g

до 1лup to 1l

№ 124798No. 124798

2)двухромовокислый натрий- 20 г серна  кислота (уд. в. 1,83) - 11 см2) sodium bichromate - 20 g sulfuric acid (beats in. 1.83) - 11 cm

глюкоза . - - 8 гglucose. - - 8 g

вода-до 1 лwater up to 1 l

3)двухромовокислый натрий -20 г серна  кислота (уд. в.1,83) -11 м гипосульфит-35 г сернокислый натрий-50 г вода-.чп 1 .;3) sodium dichromate -20 g sulfuric acid (sp. In. 1.83) -11 m hyposulfite-35 g sodium sulfate-50 g water-1.

Предмет изобретени  Subject invention

Claims (3)

1. Способ дублени  желатиновых слоев, например бланкфильма, отличающийс  тем, что, с целью ускорени  процесса дублени  и его стабилизации и, в частности, увеличени  резкости окрашенного изображени , получаемого гидротипным способом на бла11К(})и.:)ме, а также стабилизации во времени свойств дуб щего раствора, примен ют дуО щ .ий раствор, получаемый восстановлением двухромовокис тых солей умеренными восстановител ми в водном растворе cepHoii кислоты в присутствии нейтральных солей щелочных металлов.1. A method for tanning gelatinous layers, for example, a blank film, characterized in that, in order to speed up the tanning process and stabilize it and, in particular, increase the sharpness of a colored image obtained by a hydrotypic method on a blackboard (}) and. :) Ie, as well as stabilization over time, the properties of the tanning solution are applied to duo shchy solution, obtained by reducing dichromate salts with moderate reducing agents in an aqueous solution of cepHoii acid in the presence of neutral alkali metal salts. 2.Прием выполнени  способа по п. 1, отличающийс  тем, что в качестве умеренных восстановителей примен ют сернистокислый натрий , гипосульфит или глюкозу.2. A method according to claim 1, characterized in that sodium sulphite, hyposulfite or glucose is used as moderate reducing agents. 3.Прием выполнени  способа по п. 1, отличающийс  тем, что, с целью увеличени  или уменьщени  степени задубленности желатинового сло ,измен ют «основность дуб н;ег1Э раствора, т. е. соотношение в нем кислоты и солей хрома путем добавлени  к нему вновь приготовленного раствора соответственно большей или меньшей «основности .3. Acceptance of the method according to claim 1, characterized in that, in order to increase or decrease the degree of zadralinity of the gelatinous layer, the "basicity of the oak n; er1E solution, i.e. the ratio of acid and salts of chromium in it is changed newly prepared solution, respectively, more or less "basicity.
SU620969A 1959-03-03 1959-03-03 Method for tanning gelatinous layers SU124798A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU620969A SU124798A1 (en) 1959-03-03 1959-03-03 Method for tanning gelatinous layers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU620969A SU124798A1 (en) 1959-03-03 1959-03-03 Method for tanning gelatinous layers

Publications (1)

Publication Number Publication Date
SU124798A1 true SU124798A1 (en) 1959-11-30

Family

ID=48396225

Family Applications (1)

Application Number Title Priority Date Filing Date
SU620969A SU124798A1 (en) 1959-03-03 1959-03-03 Method for tanning gelatinous layers

Country Status (1)

Country Link
SU (1) SU124798A1 (en)

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