Abstract

Polypropylene fiber (PP) was radiation-induced graft polymerization of lauryl acrylate (LA) and butyl acrylate (BA)
using a 60Co gamma radiation source. Then the grafted polypropylene fiber was characterized by a Fourier transform
infrared (FT-IR) spectrometer, Scanning Electron Microscopy (SEM), differential scanning calorimetry (DSC) and
thermogravimetry (TG), which indicated that LA and BA have been grafted onto PP. The article focused on some
factors that influenced on the graft degree, such as the cross-linking agent concentration, monomer concentration. The
results showed that: the degree of grafting BA reached the maximum of 20.53%, while the maximum graft degree of LA
was 29.90%.

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