用catalyst system造句子，“catalyst system”造句
These catalyst systems are generally used to produce polyolefins having broad molecular weight distributions, especially polyethylene. Some systems are used to produce branched or block polymers.
A high-activity catalyst system for polyester consisted of Sb 2(EG) 3 and at least one kind of metal acetate catalyst of manganese, zinc, cobalt or lead.
Styrene butadiene rubber (SBR) was cyclized with the aid of cationic catalyst system based on diethylaluminum chloride(Al) and benzyl chloride(RCl).
The results indicated that novel catalyst system had high activity for propylene oligomerization. The products were mainly tetramer and pentamer.
furan resin-acid catalyst system
Deep study is carried out for the magnesium nitrate based catalyst system in DP finishing of cotton fabrics.
The bulk of homo-polypropylene and propylene-ethylene co-polymer were produced with different catalyst systems on a continuous polypropylene pilot plant.
