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A new carbon fiber thermoplastic prepreg unidirectional tape (TPUD) based on polyphenylene sulfide (PPS) made its debut at Teijin Carbon Europe
.
Tenax TPUDs with a PPS matrix can enter new cost-sensitive markets while offering the inherent advantages of TPUDs such as chemical and solvent resistance, low flammability, room temperature storage or transport, and recyclability
.
Due to its flame retardant properties and low smoke emissions, this unidirectional tape can be used for interior applications in aircraft or rail vehicles
.
It is also suitable for demanding applications in the aerospace, oil and gas, sporting goods or industrial sectors while remaining cost-effective
.
The maximum continuous working temperature can reach 220℃
.
Extremely low water absorption, creep resistance at high temperatures and high dimensional stability round out the combination of properties of this new TPUD
.
These properties make the product suitable for highly automated processing such as automated tape layup (ATL) or automated fiber placement (AFP) combined with injection overmolding of complex geometries
.
For nearly a decade, unidirectional belts have been manufactured in Heinsburg, Germany, from carbon fiber and thermoplastic
.
So far, semi-finished products have been supplied in PEEK or PAEK; now PPS has been added to the list of available substrates
.
Compared to PEEK or PAEK, PPS can accommodate lower processing temperatures
.
Especially for the industrial market, increasing production speed to make the process more cost-effective is a milestone
.
To meet the needs of a range of application areas, Teijin's carbon fiber business offers various types of Tenax TPUD
.
Not only do these products differ in the matrix, but also in the Tenax carbon fiber used, with different tensile strengths and moduli
.
This makes it possible to find the best products even with high technical requirements
.
Depending on the Tenax TPUD type, the carbon fiber has a basis weight of between 190 g/m² and a roll length of 2000 m and a width of 24 inches
.
In most applications, fast processing cycles of a few minutes can be achieved
.
