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Test results of various colorfastness indicators for tea polyphenol functional dyed and finished modified cotton fabrics
| Tea polyphenols o.w.f concentration/% | Sunlight fastness/grade | Washing fastness/grade | Rubbing fastness/grade | |
|---|---|---|---|---|
| Dry state | Wet state | |||
| 4 | 3~4 | 4 | 4 | 3~4 |
| 5 | 3~4 | 4~5 | 4~5 | 3~4 |
| 6 | 4 | 4~5 | 4~5 | 4~5 |
| 7 | 4 | 4 | 4 | 4 |
| 8 | 4~5 | 4 | 4 | 4 |
Test results of antibacterial and ultraviolet protection properties of tea polyphenol dyed and finished modified cotton fabrics
| Tea polyphenols o.w.f concentration/% | Antibacterial performance (%) | UV protection | Deodorization rate (%) | |||
|---|---|---|---|---|---|---|
| Escherichia coli | Staphylococcus aureus | UPF | T %(UVA) | T(UVB) % | ||
| 0 | 49.95 | 58.95 | 11.86 | 14.74 | 11.93 | —— |
| 4 | 53.62 | 63.44 | 20.38 | 10.92 | 9.37 | 85.68 |
| 5 | 58.91 | 67.53 | 29.72 | 6.67 | 5.82 | 86.13 |
| 6 | 78.49 | 72.68 | 38.27 | 3.14 | 1.59 | 86.52 |
| 7 | 80.21 | 73.32 | 41.73 | 3.02 | 1.36 | 87.07 |
| 8 | 81.16 | 75.65 | 43.81 | 2.86 | 1.24 | 87.21 |