CAS: 9004-65-3 Factory Price High Viscosity Hydroxypropyl Methyl Cellulose HPMC
CAS: 9004-65-3 Factory Price High Viscosity Hydroxypropyl Methyl Cellulose HPMC
HPMC is a semi-synthetic nonionic cellulose mixed ether that usually appears as a white or white-like powder. It is prepared by chemical modification of natural cellulose.
Good water solubility: It can be quickly dissolved in cold water to form a transparent viscous solution.
Product Details
| Model | I | II | III | IV |
| Methoxy content /% | 28.0-30.0 | 27.0-30.0 | 16.5-20.0 | 19.0-24.0 |
| Hydroxypropoxy content /% | 7.5-12.0 | 4.0-7.5 | 23.0-32.0 | 4.0-12.0 |
| Dry weight loss rate /% | ≤5.0 | |||
| Viscosity /MPa·S | 100.0 - 80000.0 (annotated value±20%) | |||
| PH(1%25ºC) | 5.0-9.0 | |||
| Light transmittance /% | ≥80 | |||
| Gel temperature /ºC | 58.0-64.0 | 62.0-68.0 | 68.0-75.0 | 70.0-90.0 |
PRODUCT CHARACTERISTICS
PRODUCT USE
PRODUCTION PROCESS
Usually cotton, wood as raw materials, through the alkalization, propylene oxide and chloromethane etherification process to prepare.
MARKET PROSPECTS
With global economic development and environmental awareness, its market demand continues to grow. Applications in green buildings, environmental protection coatings, biomedicine and other fields continue to expand, and the market scale is expected to further expand. But at the same time, the industry is also facing challenges in technological innovation, market competition and environmental protection requirements.
USE PRECAUTIONS
In the process of use, it is necessary to pay attention to the dissolution method, and choose the appropriate dissolution method according to different models. At the same time, pay attention to storage conditions, should be placed in a dry, clean cool place to ensure product quality and performance.
FAQ
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