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Orientation of crystalline polymers by non‐classical means
Author(s) -
Lotz Bernard,
Wittmann JeanClaude
Publication year - 1993
Publication title -
makromolekulare chemie. macromolecular symposia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.257
H-Index - 76
eISSN - 1521-3900
pISSN - 0258-0322
DOI - 10.1002/masy.19930690118
Subject(s) - polyolefin , polymer , materials science , epitaxy , composite material , enhanced data rates for gsm evolution , polymer substrate , orientation (vector space) , crystal structure , composite number , crystallography , chemistry , geometry , layer (electronics) , telecommunications , mathematics , computer science
Crystalline polymers can be oriented by epitaxy on various substrates, including low molecular weight, usually aromatic compounds and polymers oriented by epitaxy and by mechanical means (strain induced polyolefin films and friction‐deposited PTFE layers). The resulting oriented films are thin, but display unusual morphologies with lamellae standing edge‐on and, often, single crystal structure. They are adequate investigation materials for structure determination, show enhanced or maximized orientation‐dependent properties, and may contribute to mechanical strengthening in composite polymer films.