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Acylated and hydrox...
Acylated and hydroxylated polyamides derived from L-tartaric acid
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- Alla, Abdelilah (författare)
- Departament d'Enginyeria Química, Universitat Politècnica de Catalunya, ETSEIB, Barcelona, Spain
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- Oxelbark, Joachim, 1970- (författare)
- Departament d'Enginyeria Química, Universitat Politècnica de Catalunya, ETSEIB, Barcelona, Spain
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- Rodríguez-Galán, Alfonso (författare)
- Departament d'Enginyeria Química, Universitat Politècnica de Catalunya, ETSEIB, Barcelona, Spain
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- Muñoz-Guerra, Sebastián (författare)
- Departament d'Enginyeria Química, Universitat Politècnica de Catalunya, ETSEIB, Barcelona, Spain
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(creator_code:org_t)
- Elsevier, 2005
- 2005
- Engelska.
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Ingår i: Polymer. - : Elsevier. - 0032-3861 .- 1873-2291. ; 46:9, s. 2854-2861
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- A series of polyamides 6,4 were prepared from 1,6-hexanediamine and active esters of 2,3-di-O-acylated l-tartaric acid by polycondensation in solution. Both O-alkoyl and O-benzoyl esters were used as hydroxyl protecting groups. The resulting acylated polytartaramides were found to be semicrystalline polymers with Tm between 100 and 200°C and Tg slightly above 100°C. Controlled hydrolysis of the ester side group led to the preparation of poly(hexamethylene l-tartaramide)s with different content in free hydroxyl groups. These polyamides continue being crystalline but their properties largely differ from those displayed by their parent acylated polymers.
Ämnesord
- NATURVETENSKAP -- Kemi -- Organisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Organic Chemistry (hsv//eng)
Nyckelord
- Carbohydrated-based polyamides
- Hydroxylated polyamides
- Polyamides
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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Polymer
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