Hydroxypropylmethyl Cellulose HPMC

Hydroxypropylmethyl Cellulose HPMC
Cas.9004-65-3
For PVC suspending polymerization system
Specification:
Viscosity (cps), 40.0-60.0
Ash, wt% ,≤ 3.0
Water, wt%, ≤ 5.0
Hydroxypropyl, wt%,7.0-12.0, 4.0-7.5
Methoxy, wt%, 28-30, 27-30
Gel temperature,
o
C, 58.0-64, 62.0-68.0
pH (1% solution) 4.0- 8.0
Applications:
The monomer should be dispersed to stable granule in the polymerization process of PVC suspending polymerization system. By using HPMC as dispersant, it can effectively improve the suspending dispersing performance, the shape of granule, and the absorbency to plasticizing agent.