International Journal of Polymer Science / 2017 / Article / Tab 5

Research Article

Modeling and Optimizing of Producing Recycled PET from Fabrics Waste via Falling Film-Rotating Disk Combined Reactor

Table 5

Main performance indexes of recycled PET staple fiber (6.67 dtex 51 mm).

Performance indexesFabrics Fabrics Bottle flakes

Polydispersity index (PDI)2.402.16
Deviation of linear density (%)±10±10±10
Length deviation (%)±10±8.0±8.0
Curl number (per/25 mm)7 ± 2.07 ± 2.08 ± 2.0
Double length fiber (mg/100 g)≤100≤30≤30
Defect content (mg/100 g)≤2000≤100≤80
Filling power (cm3/g)168 ± 3175 ± 3
Filling power (cm3/g)50 ± 254 ± 2
Filling power (cm3/g)145 ± 2145 ± 2
Compression resilience ratio (%)≥68≥70
Hollowness (%)18 ± 322 ± 3
Breaking strength (cN/dtex)2.63.64.2

waste without liquid-phase polymerization. waste with liquid-phase polymerization in the falling film-rotating disk combined reactor. flakes waste without liquid-phase polymerization.

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