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Memory foam. Memory foam consists mainly of polyurethane with additional chemicals that increase its viscosity and density. It is often referred to as "viscoelastic" polyurethane foam, or low-resilience polyurethane foam (LRPu). The foam bubbles or ‘cells’ are open, effectively creating a matrix through which air can move.
Polyurethane synthesis, wherein the urethane groups −NH− (C=O)−O− link the molecular units. A kitchen sponge made of polyurethane foam. Polyurethane (/ ˌpɒliˈjʊərəˌθeɪn, - jʊəˈrɛθeɪn /; [1] often abbreviated PUR and PU) refers to a class of polymers composed of organic units joined by carbamate (urethane) links.
Foam, in this case meaning "bubbly liquid", is also produced as an often-unwanted by-product in the manufacture of various substances. For example, foam is a serious problem in the chemical industry, especially for biochemical processes. Many biological substances, for example proteins, easily create foam on agitation or aeration.
Tempur-pedic. Memory foam is widely used in mattress toppers due to its ability to contour to your body. It's made from polyurethane foam that softens with body heat, allowing it to mold to your ...
Premium Latex Pillow. Like so many products that flex their all-natural composition, latex pillows tend to fall on the pricey side of the spectrum, so when we happened upon this Leesa one (a brand ...
Marlow Memory Foam Pillow. Marlow’s bedding products have consistently ranked high on our product reviews, noted for their high thread count, washability, and fair pricing.