YINGGUAN

16

2022

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08

What does PTT mean?


What does PTT mean?

PTT can be commonly known as elastic polyester (without the addition of any spandex), PTT fiber and PET fiber, PBT fiber is the same polyester fiber. PTT fiber has the characteristics of polyester, nylon, acrylic, and good thermal stability, high fluffiness, excellent stain resistance, easy to dye, soft hand, wrinkle resistance, more elastic, elongation as good as spandex fiber, and elastic fiber Compared with spandex, it is easier to process.

Performance comparison table of PTT fiber and other fibers

Fiber Properties PTT PET PBT PA6 PA66 PP
Melting point ℃ 228 265 221 220 256 160
Vitrification temperature ℃ 45-56 70-80 20-40 45 50-90 -17
Density g/cm2 1.33 1.40 1.35 1.13 1.14 0.91
Water absorption rate %(14d) 0.15 0.49 -- 9.50 8.90 <0.03
Fiber resilience Excellent Medium Good Excellent Excellent Poor or medium
Stain resistance Excellent Good Good Good Good  
Wrinkle resistance Excellent Excellent Medium Medium    
Stainability Excellent Medium Good Medium Medium Difference
Sunlight resistance Excellent Good Good Difference Difference --
Softness Excellent Difference -- Good Good --
Fastness to washing Excellent Excellent -- Difference Difference --
Antistatic properties Excellent Excellent -- Difference Difference --
Chlorine resistance Excellent Difference -- Difference Difference --

As PTT fiber products are put into the market, the application of PTT fiber has been rapidly developed, the main application areas.
1. Home textile fabrics: good tensile recovery, easy dyeing, stain resistance and resilience.
2. Carpet: PTT fiber has good resilience, stain resistance, low static electricity, abrasion resistance, low water absorption, which is very suitable for carpet, with abrasion resistance equal to or better than nylon, no stain and washing problems, and greatly reduces environmental pollution. In addition to the conventional carpet applications, the application of PTT fiber in the field of automotive carpet should not be ignored. According to the estimation, the domestic carpet PTT fiber usage will reach about 3500 tons a year, and it can be imagined that with the development of China's automobile industry, the automobile carpet field will become a new growth point for PTT fiber application. 3.
3. clothing: PTT fiber has strong softness, stretchability, bright color and durability, suitable for knitted fabrics, woven fabrics, hosiery and underwear, lining, denim, swimwear, etc.. It is suitable for knitted fabrics, woven fabrics, hosiery and underwear, lining, denim, swimwear, etc. The clothing made of it is comfortable to wear, comfortable to move, soft to the touch, quick drying, non-iron, very much in line with the requirements of modern people's personalized life.
4. spunbond nonwoven fabric field: the unique performance of PTT is suitable for spunbond nonwoven field.
5. Sewing thread: One of the most recent application areas is sewing thread, which will give added value to garment products with its moderate elongation, recovery and dimensional stability.
6. Film: Compared with PET, softer, less brittle and clearer films can be produced.
7. PTT fiber can also be used as curtains, bedding, mosquito nets, sofa covers, car interiors and other products. It can also be used as construction safety nets, fishing rods, tennis rackets, etc.
In short, PTT fiber has many uses, there is a lot of room for market development and good economic benefits. PTT fiber is the latest industrial development and achieved significant success of modified polyester products. Because it has the advantages of commonly used fibers in one special performance, coupled with the superior conditions of large-scale chemical production, it will become a large class of fibers with a wide range of applications, with a bright development future. Therefore, in the near future, PTT fiber will gradually replace polyester and nylon and become a large fiber in the 21st century, then, PTT fiber will usher in the heyday!


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