Product & Application



N-Vinylpyrrolidone/N-Vinylcaprolactam copolymer(VP/V-cap)

Chemical composition: N-Vinylpyrrolidone and N-Vinylcaprolactam copolymer

Abbr.: VP/CL or VP/V-cap 

Appearance:Colorless to yellowish solution

CAS number:  51987-20-3

Solid content:30±2%,40±2%(aqueous)

VP/V-Cap ratio:  50% VP/50% V-Cap

                      60% VP/40% V-Cap

                      Other proportion can be customized according to the need.

K value: 40±2 and 50±2, Other K value product can be customized.

Cloud point:≈50℃(Related with the difference ratios)



pH(as is):   6~8

Residual monomer (by HPLC):NVP ≤200ppm; V-cap ≤200ppm


1. Personal care. Use in hair styling products as Film-forming agent, thickening agent, such as hair gel, hair mousse, pump spray, etc. Use in cream emulsion as Emulsifying stabilizer; Dispersants for hair dyes; Foam stabilizer, etc.

2. Oil and gas field. Use to Oil/Gas Well Maintenance as inhibitor.

3. Metallurgy.  Use in metal quenching baths as viscosity modifier and non-toxic quench agent.

4. Pharmacy. Used in drug slow release, targeted drug delivery and treatment.

5. Textiles. Use to textile printing as dye dispersant. Use to temperature sensitive textiles and smart waterproof transparent fabrics as temperature sensitive material

6. Others. Such as special printing paper/coating; Temperature sensor.