Nylon-6 nanocomposites from alkylammonium-modified clay: the role of alkyl tails on exfoliation (Record no. 41509)

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control field MX-MdCICY
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control field 20250625124656.0
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Transcribing agency CICY
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Classification number (OCLC) (R) ; Classification number, CALL (RLIN) (NR) B-7178
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245 10 - TITLE STATEMENT
Title Nylon-6 nanocomposites from alkylammonium-modified clay: the role of alkyl tails on exfoliation
490 0# - SERIES STATEMENT
Volume/sequential designation Macromolecules, 37(5), p.1793-1798, 2004
520 3# - SUMMARY, ETC.
Summary, etc. Nylon-6-organoclay nanocomposites were prepared by melt processing via twin-screw extrusion for the purpose of comparing the effect of the number alkyl groups attached to the nitrogen of the organic modifier on the level of organoclay exfoliation. Wide-angle X-ray scattering and transmission electron microscopy techniques were employed to assess the morphology developed in each type of nanocomposite, while stress-strain diagrams were used to evaluate mechanical property performance. Nanocomposites derived from an organoclay having no alkyl tails in the quaternary cation result in an immiscible morphology, consisting primarily of unexfoliated clay particles, whereas those derived from an organoclay having one alkyl tail in the quaternary cation lead to a well-exfoliated morphology. Increasing the number of alkyl tails to two produced a mixed structure comprised of a large fraction of clay stacks intercalated with polymer as well as a fraction of dispersed clay platelets. The extent of mechanical reinforcement parallels the degree of exfoliation. Overall, the results may be explained by the competition between the effects of platelet-platelet interactions and the interaction of the polymer with the organoclay platelet.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Fornes, T.D.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Hunter, D.L.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Paul, D.R.
856 40 - ELECTRONIC LOCATION AND ACCESS
Uniform Resource Identifier <a href="https://drive.google.com/file/d/1hBJHUO8GH3wlYtHPddJQ_dLnxZYwydYW/view?usp=drivesdk">https://drive.google.com/file/d/1hBJHUO8GH3wlYtHPddJQ_dLnxZYwydYW/view?usp=drivesdk</a>
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Source of classification or shelving scheme Clasificación local
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  Clasificación local     Ref1 CICY CICY Documento préstamo interbibliotecario 25.06.2025   B-7178 25.06.2025 25.06.2025 Documentos solicitados