SU128969A1 - Chrome tanning process for small leather upper - Google Patents

Chrome tanning process for small leather upper

Info

Publication number
SU128969A1
SU128969A1 SU633239A SU633239A SU128969A1 SU 128969 A1 SU128969 A1 SU 128969A1 SU 633239 A SU633239 A SU 633239A SU 633239 A SU633239 A SU 633239A SU 128969 A1 SU128969 A1 SU 128969A1
Authority
SU
USSR - Soviet Union
Prior art keywords
tanning
chrome tanning
tanning process
leather upper
small leather
Prior art date
Application number
SU633239A
Other languages
Russian (ru)
Inventor
М.М. Жарныльский
Е.П. Задорина
Б.В. Сенилов
И.Г. Франчески
Original Assignee
М.М. Жарныльский
Е.П. Задорина
Б.В. Сенилов
И.Г. Франчески
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 М.М. Жарныльский, Е.П. Задорина, Б.В. Сенилов, И.Г. Франчески filed Critical М.М. Жарныльский
Priority to SU633239A priority Critical patent/SU128969A1/en
Application granted granted Critical
Publication of SU128969A1 publication Critical patent/SU128969A1/en

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

Description

Известен метод, так называемого «сухого, дублени  xpoMOiibi.x кож, согласно которому дубление производ т при жидкостном коэффициенте -- 0,25-0,35 и повышенной начальной концентрации хромовых ;:олей в дубильной ванне (45-50 г/.i в расчете на СгоОз) при трехчасовом вращении барабана. Этот метод дублени  не получил практического применени  по р ду причин, в том числе и вследствие «жраитени  площади выделанной кожи и ее пом тости.A known method of the so-called "dry, tanned xpoMOiibi.x leather, according to which tanning is carried out at a liquid ratio of 0.25-0.35 and a higher initial concentration of chromic; oley in a tanning bath (45-50 g / .i based on SgoOz) with a three-hour rotation of the drum. This method of tanning has not received practical application for a number of reasons, including as a result of the loss of skin area and its thickness.

Предлагаемый способ дублени  ме.тких хромовых кож д.т  верха обуви с прИ Мененнем повышенных концентраций хромовых солеГ в первой стадии дублени  позвол ет сократить продолжительиО|:ть процесса. От.чичнтельной особенностью этого способа  вл етс  то, что во BTOpoii стадии дублени  голье, пропитанное раствором хромовой соли, обрабатывают в течение 20-30 мин гор чей водой с температурой 80-90 что способствует окончанию проце:сса фор.мпровани  хромколлагенового комплекса.The proposed method of tanning m.h. chromic leather of the upper shoe with the use of increased concentrations of chromium in the first stage of tanning makes it possible to shorten the duration of the process. The distinctive feature of this method is that in the BTOpoii tanning stage, the gravel, impregnated with a solution of chromium salt, is treated for 20-30 minutes with hot water at a temperature of 80-90, which contributes to the termination of the process of chromollagen complex.

Комбинаци  по предлагаемому способу высокой концентрации хромовых солей первой дуби.тьной ванны, с высокотемпературной обработKoii - во второй, а также исключение стадии прошелачи;5ани  дуб:.|.тьного раствора в процес-:е дублени , позвол ет устранить указанные недостатки «сухого дублени  и получить кожу с высокими п.тастпчными свойствами. Описываемый способ позвол ет также сократить потребность в электрозпергии, уменьшить потери хромовых ;:олей с отработанными сол ми и, кроме того, увеличить площадь готовой кожи на l---3.The combination of the proposed method of high concentration of chromium salts of the first oak bath, with high-temperature processing Koi - in the second, as well as the elimination of the stage of passing; 5i oak:. | Solution in process: tanning, eliminates the indicated disadvantages of "dry tanning and get skin with high quality properties. The described method also makes it possible to reduce the need for electrical power, to reduce the loss of chromic; • oleic with waste salts and, moreover, to increase the area of the finished skin by l --- 3.

Пример 1. Дубление овчины.Example 1. Tanning sheepskin.

Преддубильные операции провод т согласно единым методика.м производства . При этом солевание и обезжиривание выполн ют по второму варианту единой методики; обезжиривание можно производить и одним препаратом ОП-10 или ОП-7, -по соответствующей методике.Pre-blasting operations are carried out according to uniform production methods. In this case, salt and degreasing are performed according to the second variant of the unified method; degreasing can be performed with a single preparation OP-10 or OP-7, according to the appropriate method.

SU633239A 1959-07-08 1959-07-08 Chrome tanning process for small leather upper SU128969A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU633239A SU128969A1 (en) 1959-07-08 1959-07-08 Chrome tanning process for small leather upper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU633239A SU128969A1 (en) 1959-07-08 1959-07-08 Chrome tanning process for small leather upper

Publications (1)

Publication Number Publication Date
SU128969A1 true SU128969A1 (en) 1959-11-30

Family

ID=48400150

Family Applications (1)

Application Number Title Priority Date Filing Date
SU633239A SU128969A1 (en) 1959-07-08 1959-07-08 Chrome tanning process for small leather upper

Country Status (1)

Country Link
SU (1) SU128969A1 (en)

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