Alcohol polyvinyl (PVA) Wanwei
Mae alcohol polyvinyl (PVA) yn bolymer sy'n hydoddi mewn dŵr nad yw'n llygru, fel arfer fflocwlyn gwyn neu felyn bach, ffloch, gronynnog neu solid powdr.Mae ei berfformiad rhwng plastig a rwber.Mae ganddo adlyniad da, gallu ffurfio ffilm, inswleiddio, ymwrthedd olew, ymwrthedd crafiad ac eiddo rhwystr nwy, ac ati.
Defnyddiau Cynnyrch
Mae gan alcohol polyvinyl (PVA) ystod eang o ddefnyddiau.
Yn y diwydiant tecstilau, fe'i defnyddir fel slyri ystof, asiant gorffen tecstilau, a gludyddion ffabrigau heb eu gwehyddu.
Yn y diwydiant adeiladu, fe'i defnyddir fel ychwanegion sment, gludyddion plât mowldio, a gludion adeiladu.
Yn y diwydiant cemegol, fe'i defnyddir sefydlogwr semwlsiwn a gwasgarwyr.
Yn y diwydiant gwneud papur, fe'i defnyddir fel gludyddion.
Yn ogystal, gellir ei ddefnyddio mewn diwydiant colur, amaethyddiaeth, diwydiant fferyllol, ac ati.
Paramedrau Manwl
| Mynegai Wanwei PVA | ||||||||
| Enw | Gludedd (mPa.s) | Gradd gyfartalog o polymerization | Gradd alcoholosis (mol %) | pwysau moleciwlaidd | Cyfansoddyn anweddol(%) | asetad sodiwm(%) | onnen (%) | PH |
| 04-88(L) | 3.0-4.5 | / | 86.0-90.0 | / | 7.0 | 2.8 | 1.0 | 5-7 |
| 04-99(L) | 3.0-4.5 | 300-450 | 98.0-100.0 | 13200-19800 | 7.0 | 2.8 | 1.0 | 5-7 |
| 05-88(L) | 4.0-6.0 | / | 86.0-90.0 | 17600-26400 | 7.0 | 2.8 | 1.0 | 5-7 |
| 05-99(L) | 4.0-6.0 | 450-600 | 98.0-100.0 | 19800-26400 | 7.0 | 2.8 | 1.0 | 5-7 |
| 10-92(L) | 8.0-13.0 | / | 90.0-94.0 | / | 7.0 | 2.8 | 1.0 | 5-7 |
| 10-99(L) | 9.0-14.0 | 900-1100 | 98.0-100.0 | 39600-48400 | 7.0 | 2.8 | 1.0 | 5-7 |
| 14-92(L) | 13.0-18.0 | / | 90.0-94.0 | / | 7.0 | 2.8 | 1.0 | 5-7 |
| 15-99(L) | 20.0-26.0 | 1450-1650 | 98.0-100.0 | 63800-72600 | 7.0 | 2.8 | 1.0 | 5-7 |
| 17-80(L) | 18.0-24.0 | / | 78.0-82.0 | / | 7.0 | 2.8 | 1.0 | 5-7 |
| 17-88(L) | 20.0-28.0 | / | 86.0-90.0 | 72600-81400 | 7.0 | 2.8 | 1.0 | 5-7 |
| 17-92(L) | 20.0-30.0 | / | 90.0-94.0 | 72600-81400 | 7.0 | 2.8 | 1.0 | 5-7 |
| 17-95(L) | 20.0-30.0 | / | 94.0-96.0 | 72600-81400 | 7.0 | 2.8 | 1.0 | 5-7 |
| 17-96(L) | 20.0-30.0 | / | 94.0-98.0 | / | 7.0 | 2.8 | 1.0 | 5-7 |
| 17-97(L) | 21.0-31.0 | 1650-1850 | 96.0-98.0 | 72600-81400 | 7.0 | 2.8 | 1.0 | 5-7 |
| 17-98(L) | 20.0-26.0 | 1600-1800 | 97.0-99.0 | 70400-79200 | 7.0 | 2.8 | 1.0 | 5-7 |
| 17-99(L) | 20.0-26.0 | 1680-1850 | 98.0-100.0 | 73900-82700 | 7.0 | 2.8 | 1.5 | 5-7 |
| 17-99(H) | 20.0-26.0 | 1650-1850 | 98.5-100.0 | 72600-81400 | 9.0 | 7.0 | 3.0 | 5-7 |
| 19-99(L) | 26.0-32.0 | 1800-2000 | 98.0-100.0 | 79200-88000 | 7.0 | 2.8 | 1.0 | 5-7 |
| 19-99(H) | 26.0-34.0 | 1800-2000 | 98.5-100.0 | 79200-88000 | 9.0 | 7.0 | 1.5 | 5-7 |
| 20-88(L) | 28.0-40.0 | / | 86.0-90.0 | 81400-94600 | 7.0 | 2.8 | 3.0 | 5-7 |
| 20-99(L) | 32.0-40.0 | 2000-2200 | 98.0-100.0 | 88000-96800 | 7.0 | 2.8 | 1.5 | 5-7 |
| 20-99(H) | 34.0-42.0 | 2000-2300 | 98.5-100.0 | 88000-101200 | 9.0 | 7.0 | 1.0 | 5-7 |
| 22-99(L) | 40.0-48.0 | 2200-2400 | 98.0-100.0 | 96800-105600 | 7.0 | 2.8 | 1.5 | 5-7 |
| 23-99(H) | 42.0-55.0 | 2300-2600 | 98.5-100.0 | 101200-114400 | 9.0 | 7.0 | 3.0 | 5-7 |
| 24-88(L) | 40.0-55.0 | / | 86.0-90.0 | 101200-110000 | 7.0 | 2.8 | 1.5 | 5-7 |
| 24-99(L) | 48.0-60.0 | 2400-2600 | 98.0-100.0 | 105600-114400 | 7.0 | 2.8 | 1.5 | 5-7 |
| 26-99(L) | 60.0-75.0 | 2600-2800 | 98.0-100.0 | 114400-123200 | 7.0 | 2.8 | 3.0 | 5-7 |
| 28-99(L) | 75.0-90.0 | 2800-3000 | 98.0-100.0 | 123200-132000 | 7.0 | 2.8 | 1.5 | 5-7 |
