Thermoplastics

In contrast to crosslinking thermosets, whose cure reaction cannot be reversed, thermoplastics harden when cooled but retain their plasticity; that is, they will remelt and can be reshaped by reheating them above their processing temperature. Less-expensive thermoplastic matrices offer lower processing temperatures but also have limited use temperatures. They draw from the menu of both engineered and commodity plastics, such as polyethylene (PE), polyethylene terephthalate (PET), polybutylene terephthalate (PBT), polycarbonate (PC), acrylonitrile butadiene styrene (ABS), polyamide (PA or nylon) and polypropylene (PP). High-volume commercial products, such as athletic footwear, orthotics and medical prostheses, benefit from the toughness and moisture resistance of these resins, as do automotive air intake manifolds and other underhood parts.
Features

Thermoplastic composites: Past the tipping point?

The manufacturing world watched a decade ago as automatically placed thermoset composite tapes replaced aluminum in commercial airframes and made composites a household word in markets around the world. Has the time come for thermoplastic composite tapes to make a similar impact?
Features

Consolidating thermoplastic composite aerostructures in place, Part 2

Thermoplastic composite structures could eliminate the autoclave and fasteners, but will a one- or two-step process prevail?
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New light-curing adhesive bonds temperature resistant thermoplastics

Vitralit UV 4802 was developed by Panacol for bonding high-temperature resistant thermoplastics such as PEEK with other non-compatible materials.