聚丙烯单丝
Polypropylene monofilaments
polypropylene monofilament
中空硬弹聚丙烯单丝
hollow hard elastic PP monofilament
长丝状聚合法
polymerization in filament form
烟用改性聚丙烯丝束纤维
modified polypropylene tow for cigarette filter
烟用聚丙烯丝束
PP tow for cigarette filter
PP tow for filter tips of cigarette
PP tow for cigarette filter tips
苯乙烯—丙烯酸酯类合成聚合物
styrene acrylic emulsions
丙烯聚合
propene polymer ization
Ethylene-propylene copolymerization
Lewis base
Propene polymerization
propylene polymerization
opylene polymerization