Trade name: NKY® PVP K
Chemical Name: Polyvinylpyrrolidone
INCI/CTFA: PVP (Polyvinylpyrrolidone)
CAS NO.: 9003-39-8
Appearance: White powder or colorless transparent liquid.
Odor: This product has a faint almond-like taste, amine, or ammonia smell.
产品详情
NKY® PVP Specifications:
Types | K Value | Content% | Ash%max | pH（10% aqueous solution） | NVP %max |
NKY® PVP K15 | 13-18 | 95-100 | 0.1 | 3.0-7.0 | 0.1 |
NKY® PVP K17 | 15-19 | 95-100 | 0.1 | 3.0-7.0 | 0.1 |
NKY® PVP K25 | 23-28 | 95-100 | 0.1 | 3.0-7.0 | 0.1 |
NKY® PVP K30 | 26-35 | 95-100 | 0.1 | 3.0-7.0 | 0.1 |
NKY® PVP K60 | 55-65 | 95-100 | 0.1 | 5.0-9.0 | 0.1 |
NKY® PVP K80 | 75-83 | 95-100 | 0.1 | 5.0-9.0 | 0.1 |
NKY® PVP K90 | 88-96 | 95-100 | 0.1 | 5.0-9.0 | 0.1 |
The role of NKY®PVP in glue sticks:
Solid glue sticks are a new type of office adhesive that is easy to use and has strong initial adhesion. They are suitable for various types of paper, providing a smooth and wrinkle-free bond, overcoming the various disadvantages of liquid glue.
PVP has a simple and stable chemical structure, excellent water solubility, is non-toxic and non-irritating, and has strong chemical stability. This makes it an ideal choice for applications requiring water solubility, film-forming properties, or adhesive capabilities. In glue sticks, PVP can provide good bonding performance.
Due to the presence of both hydrophilic and hydrophobic groups within PVP molecules, it is soluble in water as well as in most organic solvents. This allows PVP to improve the physical properties of glue sticks, such as enhancing their adhesiveness and flexibility.
PVP plays multiple key roles in colloidal systems, mainly reflected in stabilizing colloids, promoting emulsification, and improving the uniformity of dispersion systems. Thanks to PVP's high molecular weight and good water solubility, it can form a stable coating layer on the surface of colloidal particles, preventing particle aggregation and enhancing the stability of the system.
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