结构对熔点的影响H:,S:,()G H T S=0 0=A.Hm Tm B.Sm Tm PE PVC PA66 PANTm(oC)146 212 280 317 Tm(oC)146 375 5301 CH2CH2Tm=146 oCCH2CHCH3Tm=176 CCH2CHCH CH3CH3Tm=304 CCH2CHC CH3CH3CH3Tm=320 C聚3,3 二甲基1 丁烯1 CH2CH2Tm=146 CCH2CHCH3Tm=176 CTm=130 C Tm=-55 CCH2CH2CH2CH2CH3CH2CH2CH2CH32 1418 22 260100200300 PE COO-PE-CC-COO-2 C 3-C=C-C=C-50 0 4 267 oC 240oC(Kevlar)500oC 430oC S 180 Tm Tm()74oC 28oC 结束
