8 Years Exporter China Mixed Na/Ca Salts of Pvm/Ma Copolymer CAS 62386-95-2
8 Years Exporter China Mixed Na/Ca Salts of Pvm/Ma Copolymer CAS 62386-95-2 Detail:
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The copolymer supplied in powder form, is slowly soluble in water resulting in amber-colored solutions with high viscosity and adhesivity. It is used as a bioadhesive in denture adhesives, and as mucoadhesive for drug delivery to mucous membranes.And the Calcium salt bridges enhance cohesive properties.It’s excellent Wet adhesive strength,Long-lasting Hold,Mucoadhesive that enables delivery to mucous membranes.
Key Technical Paremeters:
| Appearance |
White to off-white powder |
| Water % |
6.0~15.0 |
| pH(1% in water) |
5.5~7.0 |
| Calcium(Anhydrous Basis) % |
11.0~16.0 |
| Tap Density g/cc |
≥0.5 |
| Heavy metals ppm |
≤7.0 |
| Benzene ppm |
≤40 |
| Total Aerobic Plate cfu/g |
≤500 |
| Mold/Yeast cfu/g |
≤200 |
| Staphylococcus Aureus cfu/g |
Negative |
| Salmonella cfu/g |
Negative |
| Pseudomonas Aeruginosa cfu/g |
Negative |
| E.Coli cfu/g |
Negative |
| G-bacilli cfu/g |
Negative |
Applications:
The copolymer can be used directly in the formulation of a denture adhesive. In denture adhesives the salts provide excellent wet adhesive strength and duration of hold.It’s an outstanding oral mucosal adhesive,suitable for denture adhesive formulations.The ionic bridges inside the copolymer molecule results in both adhesive and cohesive adhension to generate long lasting and durable denture adhesive systems.It acts as an adhesive cushion between the denture and gums to strong adhere to the gums and reduce the likehood for irritation due to a loose fitting denture.This copolymer is an essential component in the denture adhesive,such ingredient can help people abtain natural and comfortable feeling from their dentures.
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