Thermoplastic semi-IPN of polypropylene (PP) and polymeric N-halamine for efficient and durable antibacterial activity
作者： Nan Zhao , Song Liu
DOI: 10.1016/J.EURPOLYMJ.2011.05.017
关键词:
摘要: Abstract Crosslinked polyacrylamide (PAM) was durably immobilized onto polypropylene (PP) by forming a surface thermoplastic semi-interpenetrating network (IPN). Upon conversion of the amide to N-halamine, PP substrate imparted with durable and potent antibacterial activity. The successful modification limited one side fabric only as confirmed XPS. After modification, morphology fiber remained relatively unchanged, slight increase in diameter. When immobilization percentage (IP) less than 2.5%, decrease 6.6% air permeability found. tensile strength fabrics after well retained even showed significant improvement IP exceeded 2.5%. sharp first 4 regeneration cycles, amount N-halamine on chlorinated modified leveled off up 25 cycles. Even PAM–PP–D still able result 100% reduction HA-MRSA 30 min contact.
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