Research Article
Vegetable-Oil-Based Hyperbranched Polyester-Styrene Copolymer Containing Silver Nanoparticle as Antimicrobial and Corrosion-Resistant Coating Materials
Table 1
Physicochemical and physicomechanical characterization of resins.
| | Resin code* | POH | HBPE | HBPE-St75 | HBPE-St80 | HBPE-St85 | HBPE-St90 |
| | Hydroxyl value | 39 | 10 | 8.5 | 8 | 7.8 | 7.5 | | Iodine value | 10 | 160 | 25 | 16 | 15 | 13.8 | | Refractive index | 1.3811 | 1.3932 | 1.4000 | 1.4010 | 1.4023 | 1.4025 | | Inherent viscosity | 0.601 | 0.701 | 0.765 | 0.766 | 0.766 | 0.765 | | Gloss at 45° | — | — | 65 | 69 | 77 | 80 | | Impact resistance (ln/inch) | — | — | 150 | 150 | 150 | 150 | | Bend test (inch) | — | — | 1/8 | 1/8 | 1/8 | 1/8 | | Scratch hardness (kg) | — | — | 1.8 | 1.9 | 2.2 | 2.1 |
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Last numeral digit indicates the loading of styrene.
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