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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 ...
Self-healing of early stage damage is thus a promising new approach to extend the lifetime of the metallic components. In metals, self-healing is intrinsically more difficult to achieve than in most other material classes, due to their high melting point and, as a result, low atom mobility.
Melamine-based resin (e.g., melamine-formaldehyde or melamine-urea-formaldehyde resins) can also be used to microencapsulate active agents, such as healing agents or phase change materials, to prevent leakage above their melting temperature.
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Allow us to say what we’re all thinking: Holiday shopping can be seriously stressful. Sure, we love seeing the looks on our friends’ and family’s faces as they open our carefully curated ...
Autogenous self-healing crack. Self-healing concrete is characterized as the capability of concrete to fix its cracks on its own autogenously or autonomously. It not only seals the cracks but also partially or entirely recovers the mechanical properties of the structural elements. This kind of concrete is also known as self-repairing concrete.
The self-healing was observed in a very specific environment using a device called an electron microscope. "One of the big questions left open from the study is if the process also happens in air ...
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