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УДОСКОНАЛЕННЯ ТЕХНОЛОГІЇ ВИГОТОВЛЕННЯ ХУТРОВОГО ВЕЛЮРУ ЗА ДОПОМОГОЮ ЕЛЕКТРОХІМІЧНО АКТИВОВАНОЇ ВОДИ

IMPROVEMENT OF TECHNOLOGY OF MANUFACTURE OF FUR VELOUR WITH THE HELP OF ELECTROCHEMICALLY ACTIVATED WATER

Сторінки: 215-221. Номер: №3, 2020 (285)
Автори:
А. Г. ДАНИЛКОВИЧ, О. О. РОМАНЮК
Київський національний університет технологій та дизайну
А. DANYLKOVYCH, O. ROMANIUK
Kyiv National University of Technologies and Design
DOI: https://www.doi.org/10.31891/2307-5732-2020-285-3-33
Рецензія/Peer review : 22.04.2020 р.
Надрукована/Printed : 02.06.2020 р.

Анотація мовою оригіналу

У роботі запропонована інноваційна технологія виготовлення хутрового велюру з овчин прісно-сухого консервування. Розроблена технологія передбачає використання електрохімічно активованої води в технологічних процесах регенерації водного балансу сировини, знежирювання, пікелювання-дублення та додублювання сполуками хрому. Запропонована технологія забезпечує інтенсифікацію відмочування сировини і більш ефективне зв’язування хромового дубителя з колагеном шкірної тканини овчин. Отриманий хутровий велюр характеризується підвищеними показниками термостійкості та фізико-механічних властивостей.
Ключові слова: овчина прісно-сухого консервування, електрохімічно активована вода, технологія, хутровий велюр, фізико-хімічні властивості.

Розширена анотація англійською мовою

The paper proposes an innovative technology for the production of fur velour from fresh-dry canned sheepskin. The developed technology involves the use of electrochemically activated water in the technological processes of soaking-degreasing, pickling-tanning and tanning with chromium compounds. The experimental halves of fresh-dry canned sheep were soaked in a mixture of catholyte / anolyte at a volume ratio of 5: 1 with an initial pH of 8,2 at LR  7 and a temperature of 25 °C for 6 hours. The second soaking at pH 8,2 and two-stage degreasing of sheepskins was carried out at pH 9,5–9,7 (catholyte medium) with the addition of nonionic surfactant (NS), respectively, 50% and 33% of the current technology. Subsequent tanning of the semi-finished product was performed on the spent anolyte, to which one hour before the completion of the pickling process was added lactic acid. The proposed technology in comparison with the current allows to perform the soaking process at a lower 5 °C ambient temperature, reduce the cost of chromium tanning agent in 2 times, alum-potassium alum in 2,3 times, NS in 3 times, to exclude from technological solutions environmentally harmful formalin and sodium carbonate, reduce the duration of soaking, tanning and tanning processes by 2,4-2,7 times. The use of the developed technology provides effective binding of chromium tanning agent with collagen of sheepskin skin, which increases the environmental friendliness of wastewater. The content of chromium tanning agent in the skin fabric of sheepskin, the content of unbound fatty substances in the skin tissue and hair does not exceed the relevant values provided by the standard. Fur velour obtained from sheepskin is characterized by heat resistance of 92 °С and physical and mechanical parameters increased by 13–16%.
Keywords: sheepskin of the fresh-dry canned, electrochemically activated water, technology, fur velour, physical and chemical properties.

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