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polyurethane    音标拼音: [p,ɑli'ʊrəθ,en]
n. 聚亚安酯

聚亚安酯

polyurethane
n 1: any of various polymers containing the urethane radical; a
wide variety of synthetic forms are made and used as
adhesives or plastics or paints or rubber [synonym:
{polyurethane}, {polyurethan}]


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  • Polyurethane - Wikipedia
    Polyurethane ( ˌpɒliˈjʊərəˌθeɪn, - jʊəˈrɛθeɪn ; [1] often abbreviated PUR and PU) is a class of polymers composed of organic units joined by carbamate (urethane) links In contrast to other common polymers such as polyethylene and polystyrene, polyurethane term does not refer to the single type of polymer but a group of polymers
  • All About Polyurethane - This Old House
    Polyurethane provides a durable, protective finish for floors or furniture in your home In this guide, we discuss the various types of polyurethane, when to use each one, and how to apply the coating to get a beautiful result
  • How to Apply Polyurethane to Wood - The Home Depot
    Learning how to apply polyurethane can give wood furniture and flooring a glossy, smooth finish while improving its durability Read on for steps on how to apply polyurethane to furniture, plus tips for getting professional results The two basic types of polyurethane are oil-based and water-based Both have different pros and cons
  • What is polyurethane? - Polyurethanes
    Polyurethanes are plastic polymers made by combining diisocyanates ( TDI and MDI) and polyols There are literally hundreds of different types of polyurethanes and each is made in a slightly different way: Carbon dioxide is used as a blowing agent to create the soft, comfortable feel of a mattress or sofa
  • Polyurethane: Definition, Properties, Types and Applications
    Polyurethane is a versatile synthetic thermoset polymer Commonly abbreviated as PUR and PU, it is known for its wide application in various industries and offers excellent properties such as strength, durability, flexibility, and thermal stability
  • Polyurethane: What It Is, History, and How It’s Made | Xometry
    Polyurethane is a typical thermoset polymer compound characterized by durability, flexibility, toughness, and resistance to abrasion, acids alkalis, solvents, and weathering It is formed through a covalent polymerization reaction between a polyol group and an isocyanate group
  • How polyurethane is made - material, production process, making . . .
    Polyurethanes are linear polymers that have a molecular backbone containing carbamate groups (-NHCO2) These groups, called urethane, are produced through a chemical reaction between a diisocyanate and a polyol First developed in late 1930s, polyurethanes are some of the most versatile polymers
  • Understanding Polyurethane: Composition and Applications
    Polyurethane can be defined as a type of polymer composed of organic units joined by urethane links It’s a synthetic compound synthesized through a chemical reaction between two primary components: polyols and isocyanates
  • Polyurethane - American Chemistry Council
    Polyurethanes, some of the most versatile plastics materials in use today, are critical to a variety of applications and products that help enhance our everyday lives





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