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Polyurethane - Wikipedia
Polyurethane (/ ˌ p ɒ l i ˈ jʊər ə ˌ θ eɪ n,-j ʊəˈr ɛ θ eɪ n /; [1] often abbreviated PUR and PU) refers to a class of polymers composed of organic units joined by carbamate (urethane) links.
List of polyurethane applications - Wikipedia
Polyurethane (PU) is popularized in the manufacturing of some of the highest quality aerodynamic components /body kits for varying automobiles (car, truck, and SUV) on the market. These components include bumpers , side skirts, roll pans, and wiper cowls.
Polyurethane - Simple English Wikipedia, the free encyclopedia
Polyurethane is a polymer. Its name is often shortened to PU or PUR. Polyurethane is made of organic units, which are joined by urethane. Polyurethane polymers are formed through step-growth polymerization.
Polyuréthane — Wikipédia
Un polyuréthane ou polyuréthanne est un polymère d' uréthane, une molécule organique. On appelle uréthane, ou plus couramment « carbamate », tout composé produit par la réaction d'un isocyanate et d'un alcool conformément à la réaction suivante :
Polyurethane | Foam, Synthesis, Plastics | Britannica
Nov 12, 2024 · polyurethane, any of a class of synthetic resinous, fibrous, or elastomeric compounds belonging to the family of organic polymers made by the reaction of diisocyanates (organic compounds containing two functional groups of structure ―NCO) with other difunctional compounds such as glycols.
Polyurethane foam - Wikipedia
Polyurethane foam is a solid polymeric foam based on polyurethane chemistry. As a specialist synthetic material with highly diverse applications, polyurethane foams are primarily used for thermal insulation and as a cushioning material in mattresses, upholstered furniture or as …
Polyurethanes (PUR) - Plastics Europe
What is polyurethane? Polyurethane (PUR) is a resilient, flexible and durable manufactured material. There are various types of polyurethanes, which look and feel very different from each other.
The history of polyurethane - pu-schaum.center
The name 'polyurethane' is derived from the main urethane group NH-CO-O that is formed. PU's key to success lies in its almost legendary adaptability: polyurethanes can be flexible or rigid, hard or soft – and that in every possible degree depending on requirements.
Thermoplastic polyurethane - Wikipedia
Thermoplastic polyurethane (TPU) is any of a class of polyurethane plastics with many properties, including elasticity, transparency, and resistance to oil, grease, and abrasion.
The History of Polyurethane - Otto Bayer - ThoughtCo
Mar 17, 2017 · Polyurethane is an organic polymer composed of organic units joined by carbamate (urethane) links. While most polyurethanes are thermosetting polymers that do not melt when heated, thermoplastic polyurethanes are also available.
Polyurethane - Wikipedia, the free encyclopedia - Zubiaga
A polyurethane, commonly abbreviated PU, is any polymer consisting of a chain of organic units joined by urethane (carbamate) links. Polyurethane polymers are formed through step-growth polymerization by reacting a monomer containing at least two isocyanate functional groups with another monomer containing at least two hydroxyl ( alcohol ...
How Polyurethane is Made: Production Process Explained | Blog
Nov 26, 2024 · Polyurethane, or PU, is a synthetic polymer formed through a chemical reaction between polyols and diisocyanates. Known for its adaptability, polyurethane can be manufactured in rigid and flexible forms, ranging from soft foam cushions to strong, durable coatings.
Polyurethane - Wikiwand
Polyurethane (/ ˌ p ɒ l i ˈ jʊər ə ˌ θ eɪ n,-j ʊəˈr ɛ θ eɪ n /; [1] often abbreviated PUR and PU) refers to a class of polymers composed of organic units joined by carbamate (urethane) links.
Polyurethane dispersion - Wikipedia
Polyurethane dispersion, or PUD, is understood to be a polyurethane polymer resin dispersed in water, rather than a solvent, although some cosolvent may be used.
polyurethane - Wiktionary, the free dictionary
Oct 6, 2024 · polyurethane (plural polyurethanes) (organic chemistry) Any of various polymeric resins containing urethane links; used in very many industrial and domestic applications.
What is polyurethane (PU) and what properties does it have?
Nov 12, 2024 · What is polyurethane (PU) and what properties does it have? Asma Polska specialises in the manufacture of flexible products made from polyurethane - an extremely versatile synthetic material. In the following article, you will learn a lot of basic information about our most important material.
Memory foam - Wikipedia
Memory foam with a slower springback than the foam above. Note characteristic polyurethane yellowing caused by light exposure.. Memory foam was developed in 1966 under a contract by NASA's Ames Research Center to improve the safety of aircraft cushions. The temperature-sensitive memory foam was initially referred to as "slow spring back foam"; most called it …
What is Polyurethane (PU)? Where is Polyurethane Used?
Dec 1, 2021 · Polyurethanes, which are used in the production of many products in our living spaces today and constitute one of the most important polymer classes, are classified in the polymer group that contains diisocyanate and diol groups in their structures in various proportions and combinations.
Polyurea - Wikipedia
Polyurea is a type of elastomer that is derived from the reaction product of an isocyanate component and an amine component. The isocyanate can be aromatic or aliphatic in nature. It can be monomer, polymer, or any variant reaction of …
Polyurethane urea elastomer - Wikipedia
The polyurethane urea elastomer (PUU), or poly (urethane urea) elastomer, is a flexible polymeric material that is composed of linkages made out of polyurethane and polyurea compounds. Due to its hyperelastic properties, it is capable of bouncing back high-speed ballistic projectiles as if the material had “hardened” upon impact.
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