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VP/VA Copolymeri

Description:

VP/VA Copolymeri pellucidum, flexibile, oxygenium permeabile efficiunt membranae quae vitreis, materiatis ac metallis adhaerent. Vinylpyrrolidone/Vinyl acetate (VP/VA) resinae lineares sunt, copolymeri temere producti ab liberorum radicalium polymerizatione monomerorum in rationes diferrent. VP/VA Copolymeri praesto sunt sicut pulveris albi vel solutiones perspicuae in ethanolo et aqua. VP/VA copolymeri late usi sunt formatores cinematographici propter flexibilitatem cinematographicam, bonam adhaesionem, splendorem, aquae remoistenabilitatem et duritiem. Hae proprietates PVP/VA aptiores faciunt copolymores variis industrialibus, personalibus curis et pharmaceuticis productis.


  • Product nomen:Copolymer of Vinylpyrrolidone cum Vinyl Acetate
  • INCI Nomen:VP/VA Copolymer
  • Pharmacopeia Name:Copovidone
  • Formulae hypotheticae:(C6H9NO·C4H6O2)x
  • CAS NO.:25086-89-9
  • Product Detail

    Quid elige C. Chemspec

    Product Tags

    *Cosmetic Grade VP/VA Copolymeri cum diversis rationibus N-Vinylpyrrolidone ad Vinyl acetatem, solutum in solventibus maxime organicis. Quod in pulvere, aqua solutione et forma solutionis ethnoli existit. VP/VA Copolymorum solutiones aqueae non-ionicae sunt, neutralisatio non requiritur. Membrana resultantia sunt dura, nitida, et aquae amovibilia; Viscositas tunabilis, punctum molliens et aqua sensibilitatem in ratione VP/VA pendentes; Bene compatibilitas cum multis adiectivis, materiatis, imbre propellantibus et aliis medicamentis medicaminis, et hydroscopitas decrescit pro ratione acetatis Vinyl.

    Key Parametri Technical:

    Product

    PVP/VA 64 Pulvis

    PVP/VA 64W

    PVP/VA 73W

    Aspectus Album to cremeo album, liberum pulveris fluens Perspicuus levi flavo liquore
    VP/VA 60/40 60/40 70/30
    K Value 27-35 27~35 27~35
    Monomers 0.1% max. 0.1% max. 0.1% max.
    Aquae 5.0% max. 48~ 52% 48~51%
    Firmus Content 95% max. 48~51% 48~ 52%
    Cinis sulphated 0.1% max. 0.1% max. 0.1% max.
    PH Value (X% per aquam) 4.0~7.0 4.0~7.0 4.0~7.0

    Applicationes:

    VP/VA Copolymeri optimae electionis sunt cinematographicae formandae agentis et cinematographicarum comarum, quae aptae sunt ad cinematographicas quae utuntur ad cinematographicas formandas et viscositatis modificationes, praesertim in stylis comis productis, ut Hair Gels, Aerosol gas frondis. .

    **********************************************

    * Pharmaceutical Grade VP/VA Copolymer-Copovidonecum 60/40 ratione N-Vinylpyrrolidone ad Vinyl acetatem, solutum in maxime organicis solvents. Quod in pulvere est,Copovidone formas duras, aquatiles amovibiles et nitidum membranas, optimam compatibilitatem habet cum multis plasticistariis et adiectivis. Solubilitas bona in aqua, alcohol et alia menstrua organica.

    Key Parametri Technical:

    Aspectus

    Albus vel flavido-alba vel incanduit, hygroscopic

    Viscositas (Express as K Value)

    25.20~30.24

    Solubilitas

    Gratis solutum in aqua, in alcohole et in chloride methylene

    Identificationes

    A.Infrared effusio

    BA ruber color videtur

    CA color violaceus videtur

    Peroxides (ut H *2O*2)

    400 ppm max.

    Hydrazine

    1 ppm max.

    Monomers(VP+VA)

    0.1% max.

    Impuritas A(2-Pyrrolidone)

    0.5% max.

    Metalla gravia (ut Pb)

    20 ppm max.

    Damnum in Siccatio

    5.0% max.

    Cinis sulphated

    0.1% max.

    Ethenyl Acetate Content

    35.3~42.0% max.

    Nitrogen Content

    7.0~8.0%

    Applicationes:

    Copovidone ligans solubilis et siccus ligans in humidis/directis processibus carunculatis praecipue adhibetur, etiam ut materias cinematographicas formandas adhiberi potest.

    * Aqua solutum tabula ligans, caruncula humida vel sicca idonea/ processibus compressionibus directis.

    * Pelliculae Formae: permeabilis membrana membranae pelliculae et saccharum coatinges ad protegendum contra scindendum, minuendum humorem sensus et praebes bonum cinematographicum adhaesionem.

    *********************************************

    *Technical Grade VP/VA Copolymerscum diversa ratione vinylpyrrolidonei ad acetatem vinyllorum et praesto sicut pulveris albi vel solutiones perspicuae perspicuae in aqua, ethanol et isopropanol. Formae durae, nitidae, flexibiles, aquarum amovibiles, oxygeni permeabiles membranae quae vitreis, plasticis et metallis adhaerent, hae. proprietates, copulata facultate suam hydrophilicitatem per compositionem monomericam temperandi, ad amplam applicationem industriae ducunt.

    Key Parametri Technical:

    Product

    PVP/VA 64 Pulvis

    PVP/VA 64IN'

    PVP/VA 73IN'

    Aspectus

    Alba ad cremeo cerussa

    Perspicuus levi flavo liquore

    VP/VA

    60/40

    60/40

    70/30

    K Value

    27-35

    27~35

    27~35

    Monomers

    0.2% max.

    0.2% max.

    0.2% max.

    Aquae

    5.0% max.

    48~ 52%

    48~51%

    Firmus Content

    95% max.

    48~51%

    48~ 52%

    Cinis sulphated

    0.1% max.

    0.1% max.

    0.1% max.

    PH Value (X% per aquam)

    4.0~7.0

    4.0~7.0

    4.0~7.0

    Applicationes:

    VP/VA coopolymi late industriae applicationes sunt in liquefactionibus adticis calidis, ligaturae photographicae et tunicarum mediarum chartarum atramenti jet, veli plastici, agriculturae & aliorum subiectae.

    * Coatings in charta, pellicula, aliae subiectae * Aqua remoistenable adhesives

    * Aqua solutum tenaces * Decorative ac tutela coatings

    *Photoresist / solidator persona dolatae * Agricultural chemicals

    * Bioadheives * Protective larvis

    * Frons plantae frondis

     


  • Priora: Biotin
  • Deinde: PVP K Series

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