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Preparation of polypropylene/nanoclay composite fibers

Zengwei Guo ; Bengt Hagström (Institutionen för material- och tillverkningsteknik, Polymera material och kompositer)
Polymer Engineering and Science (0032-3888). Vol. 53 (2013), 10, p. 2035-2044.
[Artikel, refereegranskad vetenskaplig]

Melt spinning of nanoclay (NA)/polypropylene (PP) composites into textile fibers is studied. The synthetic NA Perkalite F100 is prone to be exfoliated in PP matrix. With the help of a maleic anhydride-grafted low-molecular-weight PP as compatibilizer (Epolene E43), a highly exfoliated PP/NA composite was successfully prepared. However, the prepared PP/NA composite shows a poor spinnability because of the phase separation between Epolene E43 and PP matrix. The combination of two different groups of compatibilizers, which are Polybond 1001 (acrylic acid-grafted PP) for the dispersion of NA and Epolene G3216 (maleic anhydride-grafted PP-based copolymer) for the exfoliation of NA, can solve this problem. The PP/NA composite prepared by these two compatibilizers can be smoothly spun into fiber at the NA concentration below 1.9 wt%, which is found to be the percolation concentration of formation of NA network structure in PP matrix.



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Denna post skapades 2013-12-02. Senast ändrad 2015-03-10.
CPL Pubid: 188046

 

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