Cellulose Ether:
Chemical Structure:
Cellulose ethers are derivatives of cellulose, where hydroxyl groups (-OH) are replaced by alkyl or hydroxyalkyl groups.
Types:
1. Methyl Cellulose (MC)
2. Ethyl Cellulose (EC)
3. Hydroxyethyl Cellulose (HEC)
4. Hydroxypropyl Cellulose (HPC)
5. Hydroxypropyl Methyl Cellulose (HPMC)
6. Carboxymethyl Cellulose (CMC)
Properties:
1. Thickening agents
2. Emulsifiers
3. Stabilizers
4. Film-formers
5. Water retention agents
6. Biodegradable
Applications:
1. Construction: cement, mortar, and gypsum
2. Pharmaceuticals: tablets, capsules, and ointments
3. Food: ice cream, sauces, and dressings
4. Cosmetics: creams, lotions, and shampoos
5. Paints and coatings
6. Paper and textile industries
7. Oil drilling and mining
