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Usoro nke PVP K
PVP K bụ polymer hygroscopic, nke a na-enye ya na ọcha ma ọ bụ ude na-acha ọcha ntụ ntụ, sitere na ala ruo elu viscosity & dị ala ruo elu molecular arọ na solubility na aqueous na organic solvents, nke ọ bụla e ji mara K Value.PVP K bụ Solubility na mmiri na ọtụtụ oter. organic solvents.,Hygroscopicity,Fim mbụ,Adhesive,Intial tack,Complex Forma-tion,Stabilization,Solubilization,Crosslinkability,Biological compatibility and Toxicological safeness.
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VP/VA Copolymers
VP/VA Copolymers na-emepụta ihe nkiri transperent, mgbanwe, oxygen permeable ihe nkiri nke na-arapara na iko, plastik na ọla.Vinylpyrrolidone/Vinyl acetate (VP/VA) resins bụ linear, random copolymers nke a na-emepụta site na free-radical polymerization nke monomers dị iche iche.VP/VA Copolymers dị dị ka ntụ ntụ ọcha ma ọ bụ ngwọta doro anya na ethanol na mmiri.A na-eji VP/VA copolymers eme ihe dị ka ndị na-eme ihe nkiri n'ihi mgbanwe ihe nkiri ha, ezigbo adhesion, luster, remoistenability water and hardness.Ngwongwo ndị a na-eme ka ndị na-emepụta PVP/VA dị mma maka ụlọ ọrụ mmepụta ihe dị iche iche, nlekọta onwe onye na ngwaahịa ọgwụ.
