Three polycaprolactam samples modified by 0.05—0.50% polyphenylquinoxaline(PPQ)by weight were prepared.Their structure and mechanical properties were characterized by FT-IR
SEM
density
tensile
impact
DTAand visco-elastic method
PPQ induced the formation of "crystal grains" distributed evenly over nylon spherulites in modified samples
which were observed for the first time
and strengthened modified samples. Modified nylons had higher crystallinities
higher T
g
more nearly perfect spherulites than MC nylon itself
and showed typical reinforcing effect on mechanical properties.
Abstract
Three polycaprolactam samples modified by 0.05—0.50% polyphenylquinoxaline(PPQ)by weight were prepared.Their structure and mechanical properties were characterized by FT-IR
SEM
density
tensile
impact
DTAand visco-elastic method
PPQ induced the formation of "crystal grains" distributed evenly over nylon spherulites in modified samples
which were observed for the first time
and strengthened modified samples. Modified nylons had higher crystallinities
higher T
g
more nearly perfect spherulites than MC nylon itself
and showed typical reinforcing effect on mechanical properties.
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