Vinylpyrrolidone / Vinyl Acetate
VP / VA Copolymers e i ai 'eseʻese vaevaega o vinylpyrrolidone e vinyl acetate ma avanoa e pei o paʻepaʻe paʻepaʻe pe manino manino fofo i le vai, ethanol ma isopropanol. E foliga faigata, susulu, fetuutuunai, vai-aveʻeseina, okesene permeable ata tifaga e tausisi i tioata, uga. ma metala, nei meatotino, faʻatasi ai ma le agavaʻa e faʻatonutonu ai latou hydrophilicity ala monomer tuufaatasiga, taʻitaʻia ai le tele o lona alamanuia faʻaaogaina.
Tapulaʻa Faʻapitoa metotia:
Oloa |
PVP / VA 64 efuefu |
PVP / VA 64W |
PVP / VA 73W |
Foliga Vaaia | Paʻepaʻe i le papaʻe papaʻe efuefu | Faigofie i sina vai samasama samasama | |
VP / VA | 60/40 | 60/40 | 70/30 |
K Taua | 27-35 | 27 ~ 35 | 27 ~ 35 |
Monomers | 0.2% max | 0.2% max | 0.2% max |
Vai | 5.0% max | 48 ~ 52% | 48 ~ 51% |
Mautu mataupu | 95% max | 48 ~ 51% | 48 ~ 52% |
Lefulefu Sulphated | 0.1% max | 0.1% max | 0.1% max |
Tulaga taua (10% i le vai) | 4.0 ~ 7.0 | 4.0 ~ 7.0 | 4.0 ~ 7.0 |
Talosaga:
VP / VA copolymers lautele alamanuia apalai o loʻo i totonu o le vevela liusuavai pipiʻi, photoresist binders ma coatings mo vaitusi vaʻalele pepa faʻasalalau, palasitika ata tifaga, Faʻatoʻaga ma isi substrates.
* O peleue i luga o pepa, ata tifaga, ma isi faʻamaʻotiʻesega vai * Faʻapipiʻi vai e le mafai ona toe faʻaaogaina
* Vai pipiʻi solo * teuteu ma puipui puipuia
* Photoresist / solder mask maskers * O vailaʻau faʻatoʻaga
* Bioadheives * Puipui puipuia
* Laʻau fualaʻau fualaʻau