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[Chemical Knowledge]：Properties and Uses of Polyether Polyols

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The nature and use
of polyether polyol in the field of chemical production raw materials
1. Introduction

polyether polyol is an important organic chemical raw material, widely used in polyurethane, polymer modification, synthetic lubricants and other fields. With the continuous development of science and technology, the performance and application of polyether polyols are also expanding. In this paper, the properties and uses of polyether polyols are discussed in detail.

2. The properties of polyether polyols

1. Physical properties: Polyether polyols are usually colorless or pale yellow viscous liquids with lower vapor pressure and higher boiling point. Its viscosity increases with increasing molecular weight, while its density increases with increasing hydroxyl content.
2. chemical properties: the main functional group of polyether polyol is hydroxyl, which can react with isocyanate, anhydride, epoxy resin and other compounds to generate the corresponding polymer. In addition, polyether polyols also have good hydrolysis resistance, oxidation resistance and thermal stability.

3. the use of polyether polyol

1. Polyurethane foam: Polyether polyol is an important raw material for the production of polyurethane foam, which reacts with isocyanate to generate rigid or flexible foam. These foams have excellent thermal insulation, sound insulation, seismic performance, widely used in construction, home appliances, automobiles and other fields.
2. Polymer modification: Polyether polyols can be used as modifiers to improve the performance of polymers. For example, it can improve the toughness, impact resistance, weather resistance and other properties of polymers, and is widely used in plastics, rubber, coatings and other fields.
3. Synthetic lubricants: Polyether polyols can be used as base oils to prepare high-performance synthetic lubricants. These lubricants have excellent oxidation resistance, wear resistance, extreme pressure and other properties, and are widely used in machinery, aviation, ships and other fields.

4. development prospects

With the continuous development of science and technology, the application field of polyether polyols is still expanding. In the future, polyether polyols will pay more attention to the development of environmental protection, high efficiency and functionalization to meet the changing market demand. At the same time, as people's requirements for polymer performance and environmental performance continue to increase, the production process and technology of polyether polyols will continue to improve and optimize.

5. conclusion

polyether polyol as an important organic chemical raw material, has a wide range of uses and excellent performance. In the future development, polyether polyols will continue to play an important role and make greater contributions to the development of chemical production raw materials.

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