ECOLOGICAL COMPOSITION FOR TREATING NATURAL HIDES WITH THERAPEUTICAL PROPERTIES

• Main Author: NICULESCU OLGA
• Format: Patent
• Language: English; Romanian
• Published: 30.04.2024
• Subjects: APPARATUS THEREFOR; CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING,IMPREGNATING, FINISHING; CHEMISTRY; COMPOSITIONS FOR TANNING; HIDES; LEATHER; METALLURGY; PELTS; SKINS

The invention relates to an ecological composition for treating natural hides by wet finishing, by dyeing and lubricating the bovine hides ecologically tanned with tanning materials or metal-free syntans, the composition being used for manufacturing footwear with therapeutical properties based on natural dye extracted from chilli powder, with addition of chilli essential oil in the emulsion for the final lubrication of crust leathers. According to the invention, the composition consists of the following components: 30...40% natural dye extracted from chilli powder, 3...4% mordant (alum or Cu sulphate), 3...6% acetic acid, 4...6% oil based on natural and synthetic substances, 1...2% chilli essential oil, 3...5% biodegradable non-ionic emulsifier and water for the remainder, the percentage being expressed by mass. Invenţia se referă la o compoziţie ecologică de tratare a pieilor naturale prin finisare umedă, respectiv prin vopsire şi ungere a pieilor de bovine tăbăcite ecologic cu materiale tanante sau cu sintani fără metale, compoziţia fiind utilizată pentru confecţionarea de încălţăminte cu proprietăţi terapeutice pe bază de colorant natural extras din pulbere de ardei chili, cu adaos de ulei esenţial de chili în emulsia de ungere finală a pieilor crust. Compoziţia conform invenţiei este constituită din următoarele componente exprimate în procente masice: 30...40% colorant natural extras din pulberede ardei chili, 3...4% mordant ( alaun sau sulfat de Cu), 3...6% acid acetic, 4...6% ulei pe bază de substanţe naturale şi sintetice, 1...2% ulei esenţial de ardei chili, 3...5% emulgator neionic biodegradabil şi restul apă.