POSS functionalized graphene oxide nanosheets with multiple reaction sites improve the friction and wear properties of polyamide 6
作者：Author links open overlay panelLeiSunMingCaoFanXiaoJiaopengXuYingboChen
關鍵字：Polyamide 6Graphene oxidePOSSFriction and wear
論文來源：期刊
具體來源：Tribology International Volume 154, February 2021, 106747
發表時間：2021年
Frictional and wear properties of polyamide 6 (PA6) are very important for its use as anengineering plastic. In this study, octaamino-polyhedral oligomeric silsesquioxane (POSS) functionalized graphene oxide (GO) was used to fabricate a PA6/reduced GO-POSS (rGO-POSS) nanocomposites. Compared with PA6, the PA6/rGO-POSS nanocomposites with 0.3 wt% GO-POSS has a decrease of friction coefficient by 86.36% from 0.44 to 0.06. The depth and width of the wear scar were reduced by 79.64% and 70.69%, respectively. Meanwhile, the wear rate reached the lowest and dropped by about 65.72%. The research found that GO-POSS is self-fixed in the matrix and effectively increases the interface bonding strength.
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PA6/rGO-POSS nanocomposites were synthesized via in situ polymerization.
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?GO-POSS can be self-fixed in the nanocomposite and form a large mesh structure.
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?PA6/rGO-POSS nanocomposites have excellent wear resistance and mechanical properties.
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?A transfer film is formed on the surface of the steel ball during the tribological process.