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Table 2 Elemental composition (atomic percentage) of the powder surfaces investigated by XPS

From: Modifying a thermoplastic polyurethane for improving the bonding performance in an adhesive technical process

Sample C (at %) O (at %) Zn (at %)
TPU 89.2 8.7 1.9
TPU white spirit 90.8 7.6 1.7
TPU plasma 89.8 8.6 1.6
Zinc stearate 91.2 7.0 1.9