Wave number (cm−1) | Chemical bond or group | Type of chemical compound | Type of vibration |
---|---|---|---|
3318 | N-H | Amine (biguanide) | Stretch |
2934 | C-H (alif.) | Alifatic hydrocarbons (polyhexamethylene..) | Stretch |
2060 | SCN | Nitrile | Stretch |
1630 | C=N | Biguanide | Stretch |
1551 | N-H | Biguanide | Deformation |
1381 | C-O | Carboxylate anion | Stretch (symetric) |
1153 | C-O | Carboxylate anion | Stretch (asymetric) |
719 | C-H (arom.) | Monosubstituted aromatic ring | Deformation |
Temperature range (°C) | Maximum decomposition temperature (°C) | Weight loss (%) |
---|---|---|
111-175 | 125 | 9.82 |
175-300 | 287 | 26.46 |
300-400 | 365 | 22.18 |
400-500 | 482 | 36.89 |
Type of bacteria | Sample | A | Assessment |
---|---|---|---|
PE/PHMB-BS | 3.9 | Very good effect | |
PE/PHMB-BS | 3.1 | Very good effect |
Type of bacteria | Sample | A | Assessment |
---|---|---|---|
PHMB-SCN | 1.73 | Satisfactory | |
PHMB-BS | 1.49 | Satisfactory | |
PHMB-SCN | 2.41 | Good | |
PHMB-BS | 3.00 | Very good effect |
Zone 1 | Zone 2 | Zone 3 | Three-wire head | |
---|---|---|---|---|
150 | 160 | 170 | 180 |
The effectiveness of the antibacterial action | A |
---|---|
Poor | A<1 |
Satisfactory | 1≤A≤2 |
Good | 2≤A<3 |
Very good | A≥3 |
Zone 1 | Zone 2 | Zone 3 | Flat-slot head | |
---|---|---|---|---|
170 | 170 | 165 | 160 | |
100 | ||||
160 | ||||
0.08-0.085 |