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Paint protection film (PPF, also called clear bra, clear film or clear paint film) is a thermoplastic urethane often self-healing film applied to painted surfaces of a new or used car in order to protect the paint from stone chips, bug splatters, and minor abrasions. This film is also used on airplanes, RVs, cell phones, electronics, screens ...
The majority of the approaches that are described in literature regarding self-healing materials can be applied to make “self-healing” coatings, including microencapsulation [87] [59] and the introduction of reversible physical bonds such as hydrogen bonding, [88] ionomers [89] [90] and chemical bonds (Diels-Alder chemistry). [91]
Self-healing hydrogels are a specialized type of polymer hydrogel.A hydrogel is a macromolecular polymer gel constructed of a network of crosslinked polymer chains. Hydrogels are synthesized from hydrophilic monomers by either chain or step growth, along with a functional crosslinker to promote network formation.
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An enraged woman allegedly shouted “You’re all going to die today” before lighting a Queens garage on fire with her ex-boyfriend and his female friend inside — killing them both ...
Maximize the value of new flooring by keeping the cost proportionate to your home’s value. “If you spend too much on new flooring, you will not be able to get your money back,” Harris said ...
Chiefs quarterback Patrick Mahomes has been efficient this season, going interception-free in five of his last six games. But fantasy managers expected more than 1.4 touchdowns per game.
In the context of a PPF, opportunity cost is directly related to the shape of the curve (see below). If the shape of the PPF curve is a straight-line, the opportunity cost is constant as the production of different goods is changing. But, opportunity cost usually will vary depending on the start and end points.