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[Chemical Knowledge]：What are the upstream raw materials for CASE polyether polyols? What do the downstream products contain?

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CASE polyether polyol has an important position in the field of chemical production raw materials, and its upstream and downstream related products are extensive. This article will detail the upstream and downstream associated products of CASE polyether polyols.

1. Upstream Associated Products

1. Ethylene oxide: Ethylene oxide is one of the main raw materials for the production of polyether polyols. It reacts with water, carbon dioxide, etc. to generate ethylene glycol, and then further polymerizes to generate polyether polyols.
2. Propylene: Propylene is the raw material for the production of propylene alcohol, propylene alcohol is further oxidized to produce acrolein, acrolein is added to hydrogen to produce propylene alcohol, propylene alcohol is then reacted with ethylene oxide to obtain polyether polyols.

2. downstream related products

1. Polyurethane foam: CASE polyether polyol is one of the important raw materials for the production of polyurethane foam. It reacts with isocyanate to generate polyurethane foam, which has excellent heat preservation and sound insulation properties. It is widely used in construction, home appliances, automobiles and other fields.
2. Coating: CASE polyether polyol can be used as the basic resin of the coating. It is made of high-performance coating by mixing with acrylic acid, alkyd and other resins, with good weather resistance, light retention, color retention and other properties.
3. Adhesive: CASE polyether polyol can be used as the basic component of the adhesive, and reacted with isocyanate to make polyurethane adhesive, which has excellent water resistance, oil resistance, weather resistance and other properties, and is widely used in building materials, automobiles, textiles and other fields.
4. Elastomer: CASE polyether polyol reacts with diisocyanate and chain extender to make polyurethane elastomer, which has excellent wear resistance, oil resistance, tear resistance and other properties, and is widely used in shoe making, mechanical seal, shock absorption and other fields.

To sum up, CASE polyether polyols have a wide range of upstream and downstream related products, involving many fields, such as construction, home appliances, automobiles, coatings, adhesives, etc. With the continuous development of polyurethane technology and the expansion of application fields, the market prospect of CASE polyether polyols will be broader.

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