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- W2558834621 abstract "Although polyamide 6 (PA6) obtained from ε-caprolactame (CL) is an engineering polymer with outstanding properties used in sliding applications, it exhibits low impact strength and high water absorption. Those are some of the reasons why copolymerization between CL and laurolactame (LL) is desired. In this work, copolymers from 0–100 wt% LL are prepared to evaluate crystallinity, melting behavior, tensile properties and those properties are correlated with coefficient of friction. Experimental results show that PA6 (0 wt%) crystallinity and elasticity modulus are higher than those obtained from 100 wt%LL (PA12), but friction coefficient in PA6 is lower than that of PA12. While with 60 wt% LL crystallinity and elastic modulus reach a minimum value, with 350% elongation and coefficient of friction they register a maximum value. Our results suggest that crystallinity and elastic modulus are opposed to coefficient of friction. The absence of hydrogen bonds produces irregularities in the chain, reducing the crystal formation; such behavior is a consequence of copolymerization. Our findings will help to customize copolyamide, modulate the response between mechanical properties and friction behavior, as well as evaluate when it is necessary to add lubricants in the copolymer formulations." @default.
- W2558834621 created "2016-12-08" @default.
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- W2558834621 date "2017-02-01" @default.
- W2558834621 modified "2023-09-30" @default.
- W2558834621 title "Correlations between thermal and tensile behavior with friction coefficient in copolyamides 6/12" @default.
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- W2558834621 doi "https://doi.org/10.1016/j.wear.2016.11.018" @default.
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