PVP va copolymer is a water-soluble polymer resin. It is an odorless, non-toxic, non-irritant white powder or transparent solution; soluble in water, alcohols, amines and other organic solvents; it has good adhesion, moisture absorption, film formation, and surface activity; the solutions formed copolymer by PVP VA in water range from clear to turbidite. The degree of turbidity depends on the ratio of vinylpyrrolidone to vinyl acetate, and the solution is slightly acidic but not electrolytic. Let’s take a closer look at pvp va copolymer.
What is PVP va copolymer?
PVP va refers to the copolymer of Polyvinylpyrrolidone (PVP) with ethyl acetate, also known as PVP VA64. This copolymer has various forms and functions, including but not limited to PVP copolymer VA series, povidone copolymer VA64, polyvinylpyrrolidone VA64 and so on. It is an important polymer, cosmetic grade, industrial grade, pharmaceutical grade. PVP va is widely used in medicine, cosmetics, coating, ink and other fields. The advantages of PVP va include good solubility, stability, film formation and biocompatibility, make it an indispensable material in these fields.
Product Specifications:
Cosmetic grade
| Product | K value | Solid content | Ph * | Residual (nvp) | Residual Note (vac) | Moisture |
| pvp va37 e | 28.0~36.0 | 48.0~52.0% | 5.0~9.0 | <0.1% | <0.03% | / |
| pvp va55 e | 22.0~28.0 | 48.0~52.0% | 5.0~9.0 | <0.1% | <0.03% | / |
| pvp va64 e | 26.0~34.0 | 48.0~52.0% | 5.0~9.0 | <0.1% | <0.03% | / |
| pvp va64 powder | 26.0~34.0 | >95.0% | 5.0~7.0 | <0.1% | <0.03% | <5% |
| pvp va73 e | 28.0~38.0 | 48.0~52.0% | 7.0~9.0 | <0.1% | <0.03% | / |
| Product | Pvp va64 powder |
| k value | 26~32 |
| Solid content, % | >95.0 |
| ph *(10% aqueous solution) | 3.0~7.0 |
| Residual bill, % | <0.2 |
| Sulfate ash | <0.1% |
| Nitrogen content, % | 7.0~8.0 |
| Heavy metals, ppm | <10 |
| Aldehyde, % | <0.05 |
| Hydrazine, ppm | <1 |
| ppm peroxide | <400 |
What is PVP va copolymer used for?
Cosmetics Industry:
For the cosmetics made of PVP va, such as hair spray and mousse, compared with those made of natural shellac, has the advantages of good luster, strong elasticity, easy combing, non-brittle, non-stick and comfortable after use. For example, in hair fixing agent raw materials, the addition of PVP va can significantly enhance the hair fixing effect, at the same time to maintain a good feeling. When mixed with PVP-K30, it can enhance the effect of fixed hair.
Other industrial uses
As an adhesive, PVP va can be used as paper adhesive, and various ink thickeners and protective colloid.
In the coating industry, PVP va can be used as an adhesive for coatings, helps to improve the adhesion and durability of coatings.
Water-soluble PVP/VA64 series products are also commonly used as emulsifiers and protective colloids for plant protection agents. In addition, PVP va copolymer can also be used as a rewetting binder, suitable for a variety of application scenarios.
Unilong Industry is a technology-oriented enterprise specialized in the research and development, production and sales of new polymer polyethylpyrrolidone PVP series products. Polyvinylpyrrolidone PVP series products are mainly: PVPK12, PVPK15, PVPK17, PVPK30, PVPK60, PVPK90, PVPK120, PVP-I, PVPP, NVP, PVP VA, PVPSH, etc., The series of products are widely used in medicine, cosmetics, beverages, binders, synthetic resins, textile printing and dyeing, detergent, ink, glue.
