I-PVA yePhasi loke: Ipholima yekhwalithi ephezulu yokusetjenziswa okuhlukahlukeneko
Iindawo ezikulu zokusebenza
I-PVA isetjenziswa khulu embonini yezindwangu. Isebenza njenge-ejenti yokulinganisa iintambo, yenza ngcono amandla nokutjhelela kwazo ngesikhathi sokuluka. Lokhu kusiza ukwehlisa ukuphuka begodu kuthuthukise ikhwalithi yoke yendwangu. Ngemva kwekambiso yokuluka, i-PVA ingasuswa lula ngokugeza, kutjhiye indwangu inezinto zayo zokuthoma. Ukungezelela, i-PVA isetjenziselwa ukukhiqizwa kweengubo zokunamathela kanye nokunamathela, okwenza bona kube nokunamathela okuhle nokuqina.
Embonini yamaphepha, i-PVA isetjenziswa njenge-ejenti yokulinganisa indawo kanye nesihlanganisi. Njenge-ejenti yokulinganisa indawo, yenza ngcono ukujamelana namanzi, ukuqina, nokuphrinta kwephepha. Yakha ifilimu encani, ekhanyako phezu kwephepha, ivimbela i-inki bona ingasabalali begodu yenza ngcono ukukhanya kweenthombe ezigadangisiweko. Njengesihlanganisi, i-PVA isetjenziselwa ukwenza amaphepha ahlanganisiweko namabhodi wephepha, ukuthuthukisa ukunamathelana hlangana nesendlalelo sokugcotshwa kanye nesisekelo, begodu kwenza ngcono amandla nokuqina kwemikhiqizo yamaphepha.
I-PVA nayo yinto eqakathekileko embonini yokunamathela. Inezinto ezihle khulu zokunamathelana, khulukhulu izinto ezineembobo ezifana neenkuni, iphepha, kanye nezindwangu. Iinamatheli ezisekelwe ku-PVA zincibilika emanzini, kulula ukuzisebenzisa, begodu zinamandla wokubopha amahle. Zisetjenziswa khulu emabubulweni wokwakha, wefenitjhara, kanye nokupakisha ukubopha izinto ezihlukahlukeneko. Ukungezelela, iinamatheli ze-PVA zingatjhugululwa ngezinye iinthako ukwenza ngcono ukujamelana nokutjhisa, ukujamelana namanzi, nezinye izakhiwo ukuhlangabezana neemfuneko ezithileko zokusetjenziswa.
Emkhakheni wokugqoka, i-PVA isetjenziswa njenge-ejenti yokwakha ifilimu. Yakha ifilimu ekhanyako, eguquguqukako, nengajamelani namanzi ebusweni bento efakwe ngaphakathi, ivikela umswakama, amakhemikhali, kanye nemisebe ye-UV. Iingubo ezisekelwe ku-PVA zisetjenziswa khulu ekuvikeleni iinkuni, iinsimbi, kanye nendawo zeplastiki. Zingasetjenziswa njenge-primer nofana njenge-coating ephakathi ukwenza ngcono ukunamathelana nokusebenza kwe-coating ephezulu.
Iinqophiso
| Ibizo lomkhiqizo | Utjwala be-Polyvinyl | |||||||||
| Ifomula yamakhemikhali | (C2H4O)n | |||||||||
| Ubunzima bamamolekhyuli | 30,000–150,000 g/mol | |||||||||
| Ukuvela | Ipuyere emhlophe nofana i-granule | |||||||||
| Indawo yokuncibilika | 230–240°C | |||||||||
| Ukuminyana | 1.26–1.31 g/cm3 | |||||||||
| CAS NO | 9002-89-5 | |||||||||
| Ikhodi ye-HS | 39053000 | |||||||||
| I-EINECS NO | 209-183-3 | |||||||||
| Isibawo | Isetjenziselwa ukunamathela, iindwangu, ukugcotshwa kwamaphepha, kanye namafilimu | |||||||||
Iphepha lokulawula ikhwalithi
| Ibizo lomkhiqizo | Utjwala be-Polyvinyl | ||||||
| I-AYITHEMU | INANI ELIJWAYELEKILEKO (%) | INANI LOKUHLOLA (%) | |||||
| I-Alcoholysis Degree%(mol/mol) | 86.5～88.0 | 86 | |||||
| I-Viscosity mPa·s | 45.0～55.0 | 48 | |||||
| Okuqukethwe Okungatjhugulukiko | ≤5 | 3 | |||||
| Okuqukethwe mlotha% | ≤0 | 0 | |||||
| Inani le-pH | 5.0 | 5.0 | |||||
| Ubukhulu beenhlayiya obukhulu ukudlula i-10mesh | - | 2 | |||||
| Ubukhulu bezinhlayiya obuncani kune-60mesh | - | 2 | |||||
Ngokufingqa
I-PVA yethu ye-Global - Premier itholakala ngezigaba ezihlukahlukeneko, kufaka hlangana amapuyere, ama-granules, kanye nezixazululo, ukuhlangabezana neendingo ezithileko zamabubulo ahlukahlukeneko. Igreyidi ngayinye ye-PVA inezinto ezithileko ezifana nokunamathelana, izinga lokupholimera, kanye nezinga lokutjwala, okungalungiswa ngokuya ngeemfuneko zamakhasimende. Imikhiqizo yethu ye-PVA ipakishwa ngamaphakheji angangenwa mswakama begodu angangenwa mumoya ukuqinisekisa ikhwalithi nokuzinza kwawo ngesikhathi sokugcinwa nokuthuthwa. Noma ngabe ungumkhiqizi wezindwangu e-Asia, isigayo samaphepha e-Europe, umkhiqizi wokunamathela e-North America, nofana inkampani yokugcoba e-South America, i-Global - Premier PVA yethu yi-polymer ethembekileko nesezingeni eliphezulu engakusiza ukuthuthukisa ukusebenza nekhwalithi yemikhiqizo yakho.