Tg of MMA/EA copolymer increased as the MMA molar fraction in feeding monomer increased. Tg obtained by using the revised Barton & Johnson equation fitted well with experimental results.

• MMA/EA共聚物玻璃化温度随着单体投料组成中MMA分率增加而增大,实验值和校正Barton与Johnson公式计算值符合较好。