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lignin model compound [1 record]
Record 1 - internal organization data 2003-07-14
Record 1, English
Record 1, Subject field(s)
- Chemical Elements and Compounds
- Pulp Preparation (papermaking)
Record 1, Main entry term, English
- lignin model compound
1, record 1, English, lignin%20model%20compound
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
lignin model compounds: Synthesized compounds which are assumed to be reasonable representatives or models of lignin units. 1, record 1, English, - lignin%20model%20compound
Record number: 1, Textual support number: 1 OBS
Common model compounds are produced from oxidative coupling of coniferyl alcohol or p-coumaryl alcohol. Model compounds are used to study the kinetics of bleaching reactions and to characterize bleaching reactions in order to improve the selectivity, efficiency, and environmental impact of bleaching processes. 1, record 1, English, - lignin%20model%20compound
Record number: 1, Textual support number: 2 OBS
lignin model compound: term usually used in the plural ("lignin model compounds.") 2, record 1, English, - lignin%20model%20compound
Record 1, Key term(s)
- lignin model compounds
Record 1, French
Record 1, Domaine(s)
- Éléments et composés chimiques
- Préparation de la pâte à papier
Record 1, Main entry term, French
- composé modèle de la lignine
1, record 1, French, compos%C3%A9%20mod%C3%A8le%20de%20la%20lignine
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- lignine de synthèse 2, record 1, French, lignine%20de%20synth%C3%A8se
avoid, feminine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Composé synthétique considéré comme représentatif de la lignine. 3, record 1, French, - compos%C3%A9%20mod%C3%A8le%20de%20la%20lignine
Record number: 1, Textual support number: 1 CONT
[...] il a été démontré que les boranamines peuvent efficacement blanchir une pâte thermomécanique d'épinette-sapin en réduisant les groupements aldéhydes de la lignine. [...] Les boranamines sont sensibles à la densité électronique des groupements carbonyles et donnent de meilleurs résultats de blanchiment à pH acide. La réduction chimique de certains composés modèles de la lignine indique que les boranamines peuvent réduire ou même inhiber la réversion photochimique. 4, record 1, French, - compos%C3%A9%20mod%C3%A8le%20de%20la%20lignine
Record number: 1, Textual support number: 1 OBS
La plupart de ces composés sont produits par couplage oxydatif de l'alcool conyférylique ou p-coumarylique. Ils sont employés pour étudier la cinétique des réactions de blanchiment ainsi que les mécanismes de ces réactions. Ceci afin d'améliorer la sélectivité, l'efficacité et l'impact environnemental des procédés de blanchiment. 3, record 1, French, - compos%C3%A9%20mod%C3%A8le%20de%20la%20lignine
Record number: 1, Textual support number: 2 OBS
composé modèle de la lignine : terme habituellement utilisé au pluriel («composés modèles de la lignine»). 5, record 1, French, - compos%C3%A9%20mod%C3%A8le%20de%20la%20lignine
Record number: 1, Textual support number: 3 OBS
lignine de synthèse : faux, terme à éviter. 6, record 1, French, - compos%C3%A9%20mod%C3%A8le%20de%20la%20lignine
Record 1, Key term(s)
- composés modèles de la lignine
Record 1, Spanish
Record 1, Textual support, Spanish
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