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[Chemical Knowledge]：Properties, uses, upstream and downstream raw materials, storage methods, active polymers of highly active polyether polyols

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Properties of highly active polyether polyols

highly active polyether polyol is a kind of polymer compound prepared by polymerization of epoxy compounds such as ethylene oxide (EO), propylene oxide (PO) and active hydrogen-containing compounds under the action of a catalyst. Such polyols have a high Hydroxyl value and exhibit excellent reactivity. In general, the molecular weight of highly reactive polyether polyols can be controlled by adjusting the ratio of reactants and reaction conditions, ranging from a few hundred to thousands. Its chemical structure usually contains multiple ether bonds and hydroxyl groups, and has good chemical stability and mechanical properties.

Application of high activity polyether polyol

high activity polyether polyol is mainly used in the production of polyurethane foam, widely used in construction, automobile, furniture, electronic appliances and other industries. Specifically:

soft foam application: In the manufacture of furniture and mattresses, highly active polyether polyols are used to prepare flexible polyurethane foams to provide a comfortable touch and excellent cushioning properties.
Hard Foam Applications in the construction and cold chain industry, high activity polyether polyol is used to produce rigid polyurethane foam. Because of its excellent thermal insulation performance, it is widely used in wall insulation, cold storage and other fields.
Elastomer Applications: In the fields of shoe soles and seals, high-activity polyether polyols are used as the key raw materials of polyurethane elastomers to provide good elasticity and wear resistance.

Upstream and downstream raw materials of high activity polyether polyol

upstream raw materials

the production of high activity polyether polyols requires a variety of upstream raw materials, including:

epoxy compound such as ethylene oxide (EO) and propylene oxide (PO), which are the main monomers for the synthesis of polyether polyols.
Initiator commonly used initiators are glycerol, ethylene glycol, propylene glycol, etc., which provide the starting group for the polymerization reaction.
Catalyst commonly used catalysts include alkaline catalysts (such as potassium hydroxide) and acidic catalysts (such as sulfuric acid).

Downstream Products

highly active polyether polyols as intermediates, further processing can produce a variety of polyurethane materials, downstream products include:

polyurethane foam soft and rigid foam used in furniture, construction, refrigeration, insulation and other fields.
polyurethane coating: Anticorrosive coatings and decorative coatings for industrial and civil buildings.
polyurethane elastomer: Used to manufacture soles, seals, shock-absorbing materials, etc.

Storage method of high activity polyether polyol

because highly active polyether polyols have high chemical activity and hygroscopicity, their storage requires special attention to the following points:

storage environment: Should be stored in a dry, cool warehouse, avoid direct sunlight and high temperature environment. The recommend storage temperature is between 15°C and 30°C to prevent product degradation or deterioration.
Packaging Requirements: Containers with good sealing performance should be used for packaging. Common packaging materials include steel drums and plastic drums to prevent moisture absorption and oxidation of the product.
prevent pollution: Prevent the entry of impurities and moisture during storage, because these impurities may cause product performance degradation or even product failure.
Safety protection: During handling and storage, necessary protective measures should be equipped to prevent leakage and accidental contact. Operators should wear protective gloves and goggles.

Conclusion

as an important raw material of polyurethane materials, highly active polyether polyols have a wide range of applications. Its excellent chemical properties and versatile uses make it an important part of the chemical industry. By understanding its nature, use, upstream and downstream raw materials and storage methods, we can better grasp and apply this material, so as to obtain higher efficiency and better product quality in industrial production. In the future development, with the continuous advancement of technology and the increasing demand, high-activity polyether polyols will play an important role in more fields.

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