GRAFT POLYMERIZATION OF ACRYLIC ACID ON POLYESTER FIBER BY IONIZING IRRADIATION
聚酯纤维与丙烯酸的辐照-过氧化法接枝聚合

When poly (ethylene terephthalate) fibers were irradiated by gamma radiation in air, macromolecular peroxides were formed, which could be decomposed into macromole-cular radicals by hydrazine cupric ion catalytic system. These radicals thus formed can initiate in situ graft copolymerization of acrylic acid in its aqueous solution. The oxygen in the reaction medium has no effect on the graft yield. There is a optimal concentration range of the hydazine for the graft reaction pertinent to the graft condition. The graft yield increases with cupric ion concentration within the range of 0---2.5×10-3mole/l.