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Urethane Meaning: Definition, Examples, and Translations

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urethane

[ˈjʊərɪθeɪn ]

Definition

Context #1 | Noun

chemical compound

Urethanes are a class of chemical compounds that contain the isocyanate functional group. They are commonly used in the production of plastics, foams, and coatings due to their durability and resistance to wear.

Synonyms

isocyanate compound, polyurethane, urea derivative.

Examples of usage

  • The urethane coating protects the surface from scratches.
  • He used a urethane-based adhesive for the project.
  • Urethanes are found in many household products.
  • The upholstery was made from high-quality urethane.

Translations

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Interesting Facts

Science

  • Urethanes are part of the broader family of polymers, specifically known for their elasticity and durability.
  • They can be processed into various forms, including flexible foams and hard rigid plastics, making them versatile.
  • Chemical reactions used in making urethanes often involve isocyanates, which can be hazardous under improper conditions.

Industry

  • Urethanes are widely used in paints and coatings, providing water resistance and enhancing surface durability.
  • The automotive industry utilizes urethane for insulation and soundproofing materials.
  • In furniture manufacturing, flexible urethane foams are essential for creating comfortable seating.

Environmental Impact

  • Certain types of urethanes can release harmful chemicals during production and disposal, raising environmental concerns.
  • The recycling of urethane products is challenging, but advancements are being made to improve sustainability.
  • Biodegradable urethane alternatives are being researched to reduce plastic waste in various industries.

Health and Safety

  • Exposure to isocyanates used in creating urethane can lead to respiratory issues, necessitating protective equipment during manufacturing.
  • Certain urethane-based products may off-gas volatile organic compounds (VOCs) when new, impacting indoor air quality.
  • Regulatory bodies monitor the use of urethanes in consumer products to ensure safety standards are met.

Origin of 'urethane'

Main points about word origin

  • The word 'urethane' comes from 'urea' (a compound found in urine) and 'ethane' (a simple hydrocarbon).
  • Coined in the mid-19th century, it reflects the combination of components used to make the chemical.
  • The 'ane' suffix indicates that it's part of a larger family of compounds, specifically dealing with organic chemistry.

The term 'urethane' is derived from the root 'urea' coupled with the Greek word 'thanatos,' meaning 'death.' This nomenclature was established as urea was initially involved in the process of forming urethanes. Urethanes were first described in the late 18th century but became prevalent in the 20th century with the development of synthetic materials. The versatility of urethanes has led to their widespread use in various industries, including automotive, construction, and healthcare. This evolution reflects significant advancements in chemical manufacturing processes and materials science, allowing for the production of durable and flexible products tailored for diverse applications.

Word Frequency Rank

Positioned at #24,375, this word is part of extensive vocabulary. It's relatively rare in general usage but may be important in specific fields or formal writing.