Nylon 6 crystal‐phase transition in nylon 6/clay/poly(vinyl alcohol) nanocomposites | Zendy

Cui Li | Zendy; Yeh JenTaut | Zendy

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Nylon 6 crystal‐phase transition in nylon 6/clay/poly(vinyl alcohol) nanocomposites

Author(s) -

Cui Li,

Yeh JenTaut

Publication year - 2010

Publication title -

journal of applied polymer science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.575

H-Index - 166

eISSN - 1097-4628

pISSN - 0021-8995

DOI - 10.1002/app.32578

Subject(s) - vinyl alcohol , nanocomposite , materials science , crystallization , nylon 6 , scanning electron microscope , polymer chemistry , nylon 66 , glass transition , composite material , chemical engineering , polymer , polyamide , engineering

A study of the dependence of the poly(vinyl alcohol) (PVA) content on the nylon 6 crystal‐phase transition properties and PVA morphologies of nylon 6/clay nanocomposite (NYC)/PVA specimens was conducted. The degree of compatibility between NYC and PVA was examined by dynamic mechanical analysis measurement. The strong hydrogen bonding between the nylon 6 and PVA molecules led to nearly complete inhibition of PVA crystallization when the PVA contents were less than 16.7 wt %. Moreover, scanning electron microscopy analysis indicated that the clays originally present in the nylon 6 matrices migrated gradually into the PVA phases with increasing PVA content in the NYC/PVA series specimens. This interesting migration of clay from nylon 6 to PVA led to a nylon 6 crystal‐phase transition from the γ to the α form. © 2010 Wiley Periodicals, Inc. J Appl Polym Sci, 2010

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