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Styrene block copolymers (SBC), also called styrene copolymer adhesives and rubber-based adhesives, have good low-temperature flexibility, high elongation, and high heat resistance. They are frequently used in hot melt adhesive applications, where the composition retains tack even when solidified; however non-pressure-sensitive formulations are ...
Acrylic-based adhesives offer a wide temperature range, providing adhesion from sub-freezing temperatures up to 275–325 °F (about 150 °C). Silicone-based adhesives provide the highest temperature resistance, with some tapes (such as some polyimide films and glass cloth tapes) allowing for intermittent use up to 500 °F (260 °C).
An adhesive can be defined as a substance that causes two surfaces to stick together. By this definition, the earliest "adhesive" could be considered to have been developed three billion years ago, when primordial cells produced a tacky outer membrane allowing them to stick to adjacent cells.
An adhesive can be formulated to maintain tack in cooler temperatures or a greater amount of adhesive coating on the tape may be necessary. The backing of the adhesives may also be plasticized in order to lower its glass transition temperature and retain its flexibility .
Its amorphous and dense structure makes it adhesive. Soft and hard rime are less dense than clear ice and less adhesive, thus generally cause less damage. Glaze ice is similar in appearance to clear ice, however it is the result of a completely different process, occurring during freezing rain or drizzle.
There are two types of adhesives that harden by drying: solvent-based adhesives and polymer dispersion adhesives, also known as emulsion adhesives. Solvent-based adhesives are a mixture of ingredients (typically polymers) dissolved in a solvent. White glue, contact adhesives and rubber cements are members of the drying adhesive family. As the ...