How To Make Cool gel Memory Foam? Chemicals And Formula? "From Viscoelasticity to Comfort"

How To Make Cool gel Memory Foam? Chemicals And Formula?
"From Viscoelasticity to Comfort"
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Viscoeslastic or “memory” foam was developed for the Space Program to redistribute G-forces encountered by astronauts during take-off and re-entry. It also provided commercial pilots a more comfortable seating surface during long flights. Viscoelastic pressure distribution performance represents one of the most significant comfort innovations from the FPF industry.
Viscoelastic foam is typified by its slow recovery after compression. When a weighted object (for example, the human body) is positioned on viscoelastic foam, the foam progressively conforms to the shape of the object, and after the weight is removed, the foam slowly reassumes its initial shape. Due to this gradual recovery, viscoelastic foam also can be described as “slow recovery” foam.
This slow recovery also suggested the foam had a “memory” of the object shape.
Viscoelastic foam was adopted into the bedding industry because of its combination of softness and support. The “cradling” effect of the foam provided the sleeper with a new sensation, and viscoelastic foam has found applications in full-foam mattress constructions, comfort layers in innerspring mattresses, mattress topper pads, and pillows. It is sometimes even used in combination with another type of foam, latex, to provide a unique mattress feel.
Mattresses with memory foam construction now account for over 40% of products sold in North America.