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FTIR and strengthen...
FTIR and strengthening studies on liquid crystalline oligomers of 2-thioalkoxy/2-alkoxyhydroquinones and terephthaloyl chloride
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- Moilanen, A.M. (författare)
- Univ. Oulu
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- Hormi, O.E.O. (författare)
- Univ. Oulu
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- Skrifvars, Mikael (författare)
- RISE,SICOMP
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- Hyvärinen, S. (författare)
- VTT Chemical Technology
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- Sundholm, F. (författare)
- Univ. Helsinki
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Univ Oulu SICOMP (creator_code:org_t)
- Elsevier Science Ltd, Exeter, United Kingdom, 2000
- 2000
- Engelska.
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Ingår i: Polymer. - : Elsevier Science Ltd, Exeter, United Kingdom. - 0032-3861 .- 1873-2291. ; 41:20, s. 7297-7302
- Relaterad länk:
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http://www.sciencedi...
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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
- The properties of liquid crystalline (LC) oligomers produced from 2-thioalkoxyhydroquinones (2-thioalkoxyHQs) and 2-alkoxyhydroquinones (2-alkoxyHQs) with terephthaloyl chloride (1a-c, 2a-c) have been studied and their compatibility with polyamide 11 (PA 11) has been investigated. FTIR studies showed two conformations of the synthesized oligomers. A three-point bending test indicated that oligomeric chains could strengthen the final flexural properties of the polyamide. Strength of PA 11 was increased by addition of only 1% of LC oligomers to the matrix. Compatibility between oligomer chains and PA 11 was lower than the compatibility between corresponding oligomers of 2-alkoxy-4-hydroxybenzoic acids (2-alkoxyHBAs) and PA 11. (C) 2000 Elsevier Science Ltd. All rights reserved.The properties of liquid crystalline (LC) oligomers produced from 2-thioalkoxyhydroquinones (2-thioalkoxyHQs) and 2-alkoxyhydroquinones (2-alkoxyHQs) with terephthaloyl chloride (1a-c, 2a-c) have been studied and their compatibility with polyamide 11 (PA 11) has been investigated. FTIR studies showed two conformations of the synthesized oligomers. A three-point bending test indicated that oligomeric chains could strengthen the final flexural properties of the polyamide. Strength of PA 11 was increased by addition of only 1% of LC oligomers to the matrix. Compatibility between oligomer chains and PA 11 was lower than the compatibility between corresponding oligomers of 2-alkoxy-4-hydroxybenzoic acids (2-alkoxyHBAs) and PA 11.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Materialteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering (hsv//eng)
Nyckelord
- Aromatic polyesters
- Liquid crystalline polymers
- Polymer blends
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- ref (ämneskategori)
- art (ämneskategori)
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