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. 2021 Jul 5;26(13):4091. doi: 10.3390/molecules26134091

Figure 9.

Figure 9

(a,b) Schematic of a low-pressure plasma (LPP) reactor used for the surface treatment of polyethylene wood plastic composite (PE-WPC) and chamber scheme and (b) the direct configuration scheme. (c) Schematic of an atmospheric pressure plasma jet (APPJ) system used for the surface treatment of PE-WPC. (d) The 180° peel strength values for an as-received and plasma-treated PE-WPC/acrylic adhesive joints. An adhesion failure always occurred. Reproduced from Yáñez-Pacios et al. (2018) [90] under conditions of the CC BY license.