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Thermal Properties of Crosslinking Modified Ultrahigh Molecular Weight Polyethylene Fibers by Ultra-Violet Irradiation
Pages: 74-76
Year: Issue:  1
Journal: Journal of Donghua University(English Edition)

Keyword:  UHMWPE fibersthermal propertyultra - vio-let irradiationmodification.;
Abstract: <正>By means of ultra-violet(UV)irradiation with photoini-tiator and multifunctional crosslinking agent,thecrosslinking modification of ultrahigh molecular weightpolyethylene(UHMWPE)fibers prepared by gel-spin-ning was carried out.Thermal properties of fiber sampleswere examined using differential scanning calorimetry(DSC),thermomechanical analysis(TMA)apparatusand a manual device.The results indicated that the opti-mal irradiation energy is 250-400 mJ/cm~2,heat-andcreep-resistant behaviors of modified fibers have beenimproved.
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