Polyurethane: meaning, definitions and examples

Etymology

• The word 'polyurethane' comes from 'poly,' meaning many, and 'urethane,' which is derived from uniting urea and alcohol.
• It was first used in the 1930s when scientists were trying to create new types of plastics.
• Originally created as a synthetic rubber substitute, it quickly found uses in various industries.

Applications

• It is widely used in furniture, providing cushioning in sofas and mattresses for comfort.
• You can find it in coatings and adhesives, protecting surfaces like wood and metal.
• In the automotive industry, it is used for parts that need flexibility and durability, such as bumpers.

Science

• Polyurethane can be produced in various densities, which means it can be soft like foam or hard like plastic.
• The material is often categorized into two main types: flexible and rigid, each having different properties.
• Its properties can be adjusted by changing the chemicals used in its production, allowing custom applications.

Health and Safety

• Some polyurethane products can release harmful chemicals when not cured properly, emphasizing the need for safety in manufacturing.
• It's essential to ensure proper ventilation when using certain polyurethane products to avoid exposure to toxic fumes during application.
• Innovations in safer formulations are ongoing, reducing environmental impact and enhancing safety for consumers.

Cultural References

• This material plays a significant role in modern design, from high-end furniture to everyday consumer products.
• In the arts, polyurethane is used in sculptures and installations due to its versatility and durability.
• Documentaries highlight how this invention revolutionized packaging, contributing to increased globalization by protecting goods in transit.

Positioned at #20,960, this word is part of extensive vocabulary. It's relatively rare in general usage but may be important in specific fields or formal writing.

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• 20957 trepidation
• 20958 notional
• 20959 extolled
• 20960 polyurethane
• 20961 bloodless
• 20962 scowl
• 20963 kelp
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