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[Chemical Knowledge]：Uses and characteristics of ethylene glycol

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1. industrial application

1, polymer industry: ethylene glycol is an important raw material for the synthesis of polyethylene glycol (PEG), PEG has excellent interfacial activity, plasticization and biocompatibility, is widely used in the manufacture of drugs, cosmetics, food packaging materials and resins.

2. Fiber industry: Ethylene glycol is used as the raw material of polyester fiber. The polyester fiber (such as polyester fiber and PET bottle) has good heat resistance and chemical resistance, and is widely used in textile, bottling and oil filter materials.

3. Refrigerant: Ethylene glycol is one of the commonly used refrigerant raw materials. It has excellent low toxicity and low corrosion performance. It is commonly used in refrigerants to prevent cold water from freezing and manufacture low-temperature hot water pumps.

2. medicine application

1, beauty and health care: ethylene glycol is an excellent solvent, is widely used in the production of beauty and health products. For example, ethylene glycol has a similar flavor to peppermint oil and can be used to make breath fresheners, mouth cleaners, toothpastes, lip balms and other health products.

2. Oral formulations: Ethylene glycol can also be used as an excipient in oral formulations to improve the solubility and bioavailability of drugs. For example, ethylene glycol is used as a substitute for mannitol in oral children's drugs.

3. Daily Life

1. Antifreeze: Ethylene glycol is often used in the production of automobile antifreeze as a substitute for water to protect the engine from severe cold.

2, acrylic cells: ethylene glycol can also be used to make acrylic cells and used in microscopes, spectrometers and other experimental equipment.

features:

1, stable nature: ethylene glycol chemical stability, repeated use does not decompose, derivatives will not residue and accumulation in the environment, is a relatively safe and environmentally friendly organic chemicals.

2, good solubility: ethylene glycol and water miscibility, widely used in dyes, pigments, and other solvents.

3. Low toxicity: After ethylene glycol poisoning, the toxicity is low, it is not easy to cause serious toxic reactions and hazards, and can be absorbed through the skin, so it is often used as a raw material for the manufacture of medicines and cosmetics.

4. Excellent high temperature stability: Ethylene glycol has excellent high temperature stability and is an ideal choice for manufacturing high temperature softening point polymers.