Results 11 to 20 of about 24,899 (245)

Extraction of a novel tanning agent from indigenous plant bark and its application in leather processing

open access: yesJournal of Leather Science and Engineering, 2022
The use of vegetable tanning materials in leather processing has drawn attention as an alternative to basic chromium sulphate for its natural abundance and environmental aspects.
Raju Kumar Das   +5 more
doaj   +1 more source

Gheorghe Alexa, a great personality of the Romanian leather chemistry [PDF]

open access: yesMemoirs of the Scientific Sections of the Romanian Academy, 2021
Professor Dr. Eng. Gheorghe Alexa is the founder of the higher school in the field of chemistry and leather substitutes in Romania. Author of the first treatise on raw materials and auxiliaries in the leather industry (1963), the research interests of ...
Monica Nănescu
doaj  

Reduction of the formaldehyde content in leathers treated with formaldehyde resins by means of plant polyphenols [PDF]

open access: yes, 2017
Formaldehyde has applications in many industrial processes, including synthesis of resins and syntans to be used in the retanning process of leather. When resins are employed, they can hydrolyse, releasing formaldehyde.
Cuadros Domènech, Sara   +3 more
core   +2 more sources

Greener approach for goat skin tanning

open access: yesCogent Engineering, 2022
Chrome tanned leather accounts for 90% of leather in the world. However, chromium is a global environmental disaster and puts the health of millions of leather workers and ordinary citizens at risk.
Tolera Seda Badessa   +2 more
doaj   +1 more source

African botanical heritage for new crop development [PDF]

open access: yes, 2008
The African continent is rather poor in plant biodiversity when compared to other continents on and around the equator. Nevertheless, lots of useful plant species have been domesticated from Sub-Sahara Africa material.
Termote, Céline, Van Damme, Patrick
core   +3 more sources

Characterisation of 17th-18th centuries damask and gilt leathers by ATR-FTIR

open access: yesConservar Património, 2018
In this paper it is presented the characterisation of tannins used in the vegetable tanning of two types of European historic and decorative leathers from Portuguese collections, damask leathers and gilt leathers, dated from the 17th and 18th centuries ...
Lina Falcão   +2 more
doaj   +1 more source

Comparative characteristics of the chemical composition of Veronica incana L. (Plantaginaceae) in Yakutia

open access: yesТрансформация экосистем, 2022
This publication provides a comparative description of the chemical composition of silver speedwell (Veronica incana L.). We chose three different regions of Yakutia as objects of study, namely: Megino-Kangalas District (Central Yakutia); Vilyuisk ...
Vladimir V. Chemposov   +1 more
doaj   +1 more source

Measurement of Tannic Substances in Forest Species

open access: yesFloresta e Ambiente, 2018
This study aimed to quantify the tannic content of the barks and fruit of angico-vermelho, jurema-preta and acacia-negra using skin powder as detanizador agent.
Jordânia Xavier de Medeiros   +4 more
doaj   +1 more source

PENGARUH INSEKTISIDA NABATI DAUN TEMBAKAU DAN PEPAYA TERHADAP MORTALITAS ULAT GRAYAK (Spodoptera litura)

open access: yesAgroradix, 2022
Armyworm (Spodoptera litura) is a polyphagous pest that commonly attacks vegetable cultivation. Farmers are currently still using chemical control, namely spraying chemical pesticides. The consequences are environmental problems, resistance and even pest
Army Dita Serdani   +2 more
doaj   +1 more source

Wine Fining with Plant Proteins [PDF]

open access: yes, 2019
: Fining treatments involve the addition of a substance or a mixture to wine, and are generally carried out in order to clarify, stabilize or modify the wine\u2019s organoleptic characteristics. Usually these fining agents will bind the target compound(s)
Curioni, Andrea   +2 more
core   +1 more source

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