简介：TheeffectsofmagneticfieldonthegraftratioandstereoregularityofgraftsofPVA-g-MMAinthepresenceofbenzophenoneduringUVirradiationarediscussed.BymeansofIR,itwasfoundthatthegraftratiowasincreasedwiththeincrementofmagneticfieldstrength.Furthermore,applicationofrelativeweakmagneticfieldof0.4Teslahadbeenshowntosubstantiallyenhancethestereo-regularityofgraftcopolymer.Themaximumstereo-regularityappearedwhenthegraftratioapproachedto85%withthemagneticfieldof1.2Tesla(T).Theresistancetomoistureandheatresistanceofthegraftedcopolymerinthepresenceofmagneticfieldwerealsoimproved.
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