The small size EBR latex which has bigger size and enough gel can be prepared when emulsifier ratio is 2.9,electrolyte ratio is 0.5,water ratio is 150 and reaction temperature of late stage is sixty-six degrees centigrade.

• 讨论了乳化剂用量、电解质用量、水比、后期反应温度等因素对EBR胶乳质量的影响。