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HPC Hydroxypropyl Cellulose Supplier in China - High and Low Substituted Cellulose Factory for Pharmaceuticals
product introduction
Hydroxypropyl Cellulose (Hydroxypropyl cellulose) is a non-ionic cellulose ether that appears as a white or white-like powder.
product characteristics
- Excellent water solubility: it can be quickly dissolved in cold water to form a transparent and stable solution.
- Good thermal stability: it can still maintain its stable performance at higher temperatures.
- Surface activity: Has a certain surface activity, can improve the interface performance.
- Good film formation: The film formed is tough, transparent and has good air permeability.
- Wide compatibility: compatible with a variety of organic and inorganic compounds.
product use
- Pharmaceutical industry: As an adhesive and film coating material for tablets, it can also be used to manufacture slow-release preparations.
- For example, in some sustained-release tablets, the release speed of the drug is controlled to improve the efficacy.
- Cosmetics: Used in lotions, creams and other products to increase consistency and stability.
- Food industry: as a thickening agent, emulsifier and stabilizer, improve the texture and taste of food.
- As in ice cream, to make it more delicate and smooth.
- Building materials: can improve the adhesion and construction performance of mortar, putty, etc.
Production process
It is usually made from cellulose and propylene oxide by etherification under alkaline conditions.
Market prospects
With the rising demand for high-quality raw materials in various industries, Hydroxypropyl Cellulose has a promising market. Driven by strict standards in the pharmaceutical sector and innovative developments in the cosmetics and food industries, its market demand continues to grow.
use precautions
- Storage should be placed in a dry, well-ventilated environment, avoid moisture and high temperature.
- When dissolved, it should be gradually added and stirred to ensure full dissolution and avoid agglomeration.
- According to different application scenarios and formulations, reasonable adjustment of the addition amount to achieve the best effect.
In short, Hydroxypropyl Cellulose plays an important role in many fields due to its excellent properties, providing strong support for the quality improvement and performance optimization of related products.
Technical indicators
| Model | Low substitution | High substitution |
|---|---|---|
| Appearance | White or yellowish powder | |
| Hydroxypropoxy content /% | ≤10.0 | ≥55.0 |
| Fineness /% | 80 | mesh sieve residue≤8.0 |
| Dry weight loss rate /% | ≤5.0 | |
| Ash /% | ≤0.5 | |
| Viscosity /MPa·S | 50.0-1000.0 | |
| PH value | 5.0-9.0 | |
| Light transmittance /% | ≥80 | |
details pictures
Frequently Asked Questions
What is Hydroxypropyl Cellulose?
Hydroxypropyl Cellulose is a non-ionic cellulose ether that appears as a white or white-like powder and is widely used across various industries for its excellent solubility and stability.
What are the primary characteristics of Hydroxypropyl Cellulose?
Key characteristics include excellent cold-water solubility to form transparent solutions, good thermal stability at high temperatures, surface activity, tough and transparent film-forming capability, and wide compatibility with multiple organic and inorganic compounds.
How is Hydroxypropyl Cellulose used in the pharmaceutical and food industries?
In pharmaceuticals, it acts as an adhesive and film coating material for tablets, and controls drug release in sustained-release preparations. In the food industry, it serves as a thickening agent, emulsifier, and stabilizer to improve texture and taste, such as making ice cream smoother.
What precautions should be taken when storing and dissolving Hydroxypropyl Cellulose?
It should be stored in a dry, well-ventilated environment away from moisture and high temperatures. When dissolving, it must be added gradually and stirred constantly to ensure complete dissolution and prevent agglomeration.
What is the production process of Hydroxypropyl Cellulose?
It is typically manufactured through the chemical process of etherification, combining cellulose and propylene oxide under alkaline conditions.
What are the technical indicators for High Substitution Hydroxypropyl Cellulose?
High substitution types typically have a hydroxypropoxy content of ≥55.0%, dry weight loss rate of ≤5.0%, ash content of ≤0.5%, viscosity ranging from 50.0 to 1000.0 MPa·S, a PH value of 5.0-9.0, and light transmittance of ≥80%.