New type of thermoplastic multiblock elastomers––poly(ester- block-amide)s––based on oligoamide 12 and oligoester prepared from dimerized fatty acid
Multiblock poly(ester- block-amide)s (PEA) elastomers comprising hard blocks of oligoamide and oligoester soft segments were prepared and their structure-property relations were analysed. The polycondensation reaction of oligoesters (prepared from 1,4-butanediol and dimerized fatty acid) with oligol...
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| Veröffentlicht in: | European polymer journal 2004-12, Vol.40 (12), p.2767-2772 |
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| creator | Kozlowska, Agnieszka Ukielski, Ryszard |
| description | Multiblock poly(ester-
block-amide)s (PEA) elastomers comprising hard blocks of oligoamide and oligoester soft segments were prepared and their structure-property relations were analysed. The polycondensation reaction of oligoesters (prepared from 1,4-butanediol and dimerized fatty acid) with oligolaurolactam (PA12) gave copolymer series with variable blocks content (the soft segments content was varied from 24 to 60 wt.%). PEAs are the phase system composed of crystallised sequences of oligoamide (hard segment phase) as well as oligoesters (soft segment phase). Mixing between the hard and soft phases was studied by thermal and mechanical measurements (DSC, DMTA). These results have indicated on a multiphase structure of investigated materials. The relationship between the observed thermal and tensile properties and the soft/hard segments content indicated on an increase of the phase separation with soft segments content. |
| doi_str_mv | 10.1016/j.eurpolymj.2004.07.011 |
| format | Article |
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block-amide)s (PEA) elastomers comprising hard blocks of oligoamide and oligoester soft segments were prepared and their structure-property relations were analysed. The polycondensation reaction of oligoesters (prepared from 1,4-butanediol and dimerized fatty acid) with oligolaurolactam (PA12) gave copolymer series with variable blocks content (the soft segments content was varied from 24 to 60 wt.%). PEAs are the phase system composed of crystallised sequences of oligoamide (hard segment phase) as well as oligoesters (soft segment phase). Mixing between the hard and soft phases was studied by thermal and mechanical measurements (DSC, DMTA). These results have indicated on a multiphase structure of investigated materials. The relationship between the observed thermal and tensile properties and the soft/hard segments content indicated on an increase of the phase separation with soft segments content.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.eurpolymj.2004.07.011</doi><tpages>6</tpages></addata></record> |
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| identifier | ISSN: 0014-3057 |
| ispartof | European polymer journal, 2004-12, Vol.40 (12), p.2767-2772 |
| issn | 0014-3057 1873-1945 |
| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Applied sciences Dimerized fatty acid Exact sciences and technology Interphase Multiblock thermoplastic elastomers Organic polymers PA12 Phase separation Physicochemistry of polymers Polycondensation Preparation, kinetics, thermodynamics, mechanism and catalysts |
| title | New type of thermoplastic multiblock elastomers––poly(ester- block-amide)s––based on oligoamide 12 and oligoester prepared from dimerized fatty acid |
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