Triexta is the new kid on the block in the way of synthetic fibres used in carpeting. Triexta is modified polyester.
Polyester was used in carpeting during the seventies and marketed as an easy care, stain resistant carpets and inexpensive substitute to more expensive Nylons and Wools.
Early carpets with Polyester fibre where problematic due to is high static attraction. The fibres would attract pill and fluff from other fabric and these would adhere to the fibres. Even with a strong vacuum with a power head, the pilling was not easily removed. This can still be seen today in inexpensive floor coverings such as rugs which contain Polyester.
The other issue with Polyester is the inherent very low surface tension of the fibre. Surface tension is the ability for one substrate to cling to the other. When spills occur on these carpets, the fibre will not hold any of the spills due to its inability to absorb moisture – in combination to the low surface tension means the spill will quickly slip past the fibres and find their way to the bottom of the pile with the help of gravity. This can cause issues with regular carpet cleaning methods such as dry cleaning and steam cleaning as these methods cleans primarily the first two thirds of the fibre from the top.
Due to the physical effect of wicking, soils can surface to the visible fibres during drying after a clean – in these cases the carpets may be buffed to remove residual soils after drying. Polyesters also had a tendency the mat, (also known as pile crush) in high traffic area such doorways or in front of couches.