Poliviniel alkohol (PVA) Wanwei
Polivinielalkohol (PVA) is 'n nie-besoedelende wateroplosbare polimeer, gewoonlik wit of effense geel vlokkies, vlokkies, korrel- of poeiervaste stof.Sy werkverrigting is tussen plastiek en rubber.Dit het goeie adhesie, filmvormende vermoë, isolasie, olieweerstand, skuurweerstand en gasversperringseienskappe, ens.
Produk Gebruike
Polivinielalkohol (PVA) het 'n wye reeks gebruike.
In die tekstielbedryf word dit gebruik as kettingslib, tekstielafwerkingsmiddel en kleefmiddels van nie-geweefde stowwe.
In die konstruksiebedryf word dit as sementbymiddels, gietplaatkleefmiddels en bougom gebruik.
In die chemiese industrie word dit semulsiestabiliseerder en dispergeermiddels gebruik.
In die papiervervaardigingsbedryf word dit as kleefmiddels gebruik.
Daarbenewens kan dit gebruik word in die skoonheidsmiddels industrie, landbou, farmaseutiese industrie, ens.
Gedetailleerde parameters
| Wanwei PVA-indeks | ||||||||
| Naam | Viskositeit (mPa.s) | Gemiddelde graad van polimerisasie | Alkoholisegraad (mol %) | molekulêre gewig | Vlugtige bestanddeel (%) | Natrium asetaat(%) | As (%) | 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 |
