| 摘要 |
FIELD: polymer production. SUBSTANCE: process involves suspension polymerization of styrene in aqueous medium in presence of polymerization initiator, fire retardant, fire retardant synergist, chain growth regulator, foaming agent, and stabilizer: polyvinyl alcohol whose aqueous solution additionally contains calcium chloride. EFFECT: simplified polystyrene granule drying operation and reduced consumption of power on preparation of granules. 4 ex |
