Henry Jones07 Dec, 2021Business
Procurement Outlook Polyurethane is formed by the reaction of a polyol (an alcohol with more than two reactive hydroxyl groups per molecule) with a diisocyanate or a polymeric isocyanate in the presence of suitable catalysts and additives. Polyurethane can be categorized into two major types; polyester, and polyether. These are both elastomers. Both are abrasive resistant, while polyester has a sliding quality and polyether is abrasion-resistant. Polyester and polyether polyurethanes can be used in the following ways: Flexible polyurethane foam: It is used as a cushioning or protective material in furniture, mattresses, and bedding, and vehicle interiors. Rigid polyurethane foam: These foams are used in commercial and residential insulation as it keeps buildings cool in the summer and warm in the winter. Binders: This type of polyurethane is used to bind different materials and is commonly used in wood panels, flooring materials, and sand casting.
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