[Upstream Raw Materials For Polyurethane] Effect of Polyvinylpyrrolidone PVP-K30 on Direct Dyeing 2023-05-18
Polyvinylpyrrolidone (PVP) is a water-soluble polymer with excellent solubility, biodegradability, physiological compatibility, low toxicity, high molecular surfactant properties and good compounding ability with other compounds and high stability to salts, acids and heat, and is now widely used in
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