临时弹性体一橡胶态 VIscous liquid Rubbery 粘流态 橡胶态 glass transition Glassy玻璃态 Molecular weight临时弹性体—橡胶态 Glassy 玻璃态 glass transition (Tg) Rubbery 橡胶态 viscous liquid 粘流态 Mc Molecular weight Te m p e r a tu r e