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Polyvinylpyrrolidone
Polyvinylpyrollidone (PVP) Tekonolosi Vasega oloa o loʻo i ai e pei o le pauta ma le vai fofo fomu, ma le sapalaiina i le lautele lapoʻa fua mamafa, faigofie ona faʻavaivaia i le vai, ava malosi ma isi meaola solvent. O latou sili hygroscopicity, sili ona lelei ata-fausia tulaga, pipiʻi ma mautu vailaʻau, leai se mea oona. Matua Tapulaʻa Faʻatatau: Oloa PVP K15P PVP K17 PVP K25 PVP K30 PVP K90 PVP K30L PVP K85L PVP K90L Foliga Vaaia Paʻepaʻe pe paʻe paʻepaʻe leai se lanu i sina samasama ... -
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. Le tele o faʻataʻitaʻiga faʻatekinolosi: Oloa PVP / VA 64 efuefu PV ... -
PVPP
O le PVPP o le fesoʻotaʻiga o le PVP, o le hygroscopic, e le mafai ona liua i le vai ma isi solvents masani, ae e vave lava ona fula i totonu o le vai e aunoa ma se gel. Matua Faʻatekinolosi Parameter: Oloa PVPP (Tasi Ala) PVPP (Faʻafouina) Foliga Vaaia paʻepaʻe papaʻe, hygroscopic, saoloto-tafe pauta Faʻamalologa Totoina i vai ma isi masani solvents. Manogi o le faamalolo lē tumau Faint, Masani Nitrogen 11.0-12.8% 11.0-12.8% Mamafa uʻamea (A Pb) 10ppm max. 10ppm maualuga Taʻimua 2 ppm max. 2 ppm max ...
