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Polyurethane rigid foam is often used as insulation material for construction work. Polyurethane (PU) foams are highly versatile engineering materials used for a wide range of applications such as mattresses, insulation, automotive, footwear and construction materials. [15] Conventional PU foams are cross-linked materials or thermosets.
Another is a humidity-sensitive polymer used in self-adaptive wound dressings that automatically regulate moisture balance in and around the wound. [5] [6] The nonlinear response of smart polymers is what makes them so unique and effective. A significant change in structure and properties can be induced by a very small stimulus.
An adaptive machine is a category of industrial machinery characterized by the ability to adapt itself to the product to be produced, e.g. to move individual products through the manufacturing, assembly, inspection, packaging and other process stations required to produce them.
Untethered actuation is achievable, especially in soft robots with liquid crystal polymers, a category of stimuli-responsive materials with two way shape memory effect. This can allow the liquid crystal polymers to generate mechanical energy by changing shape in response to external stimuli, hence untethered actuation.
Most drivers with E-ZPasses will get dinged the $9 fee to enter Manhattan south of Central Park on weekdays between 5 a.m. and 9 p.m. and on weekends between 9 a.m. and 9 p.m. During off hours ...
Three teenagers and a man have appeared in court accused of murdering a homeless man who was attacked while sheltering in a bin shed in central London.
Mayorkas said Sunday that more than 1 million drones are registered in the U.S., that there are thousands of recreational and commercial drones flown every day − and that a 2023 FAA rule allowed ...