The suspension process is a batch p

The suspension process is a batch polymerization process that may be used to produce crystal,
impact, or expandable polystyrene beads. An expandable polystyrene (EPS) bead typically consists of
high molecular weight crystal grade polystyrene (to produce the proper structure when the beads are
expanded) with 5 to 8 percent being a low-boiling-point aliphatic hydrocarbon blowing agent dissolved
in the polymer bead. The blowing agent typically is pentane or isopentane although others, such as
esters, alcohols, and aldehydes, can be used. When used to produce an EPS bead, the suspension
process can be adapted in one of two ways for the impregnation of the bead with the blowing agent.
One method is to add the blowing agent to a reactor after polymerization, and the other is to add the
blowing agent to the monomer before polymerization. The former method, called the
"post-impregnation" suspension process, is more common than the latter, referred to as the "in-situ"
suspension process. Both processes are described below.

ผลลัพธ์ (แอฟริกา) 1:

Die skorsing polimerisasie batch proses is 'n proses wat gebruik kan word om Produseer Crystal,
Impact, of Uitbreidbaar polistireen krale. Uitbreidbaar polistireen n (EPS) bestaan ​​tipies uit Bead
gewig Crystal graad polistireen hoë molekulêre (Proper om die struktuur wanneer die krale is Produseer
uitgebrei) met 5 tot 8 persent 'n lae-kookpunt koolwaterstofoplosmiddels Blowing Agent opgeloste
in die Polimeerwetenskap Bead. Waai agent of die Isopentane Pentaan is tipies Hoewel ander, soos
esters, alkohole, aldehiede en gebruik kan word. Wanneer dit gebruik word om 'n EPS Bead Produseer, die skorsing
kan verwerk word aangepas in een van twee maniere vir die bevrugting van die Bead met die blaas agent.
Een metode is om die blaas agent by 'n reaktor na polimerisasie, en die ander is om Voeg. die
Blowing Agent om die monomeer voor polimerisasie. Die voormalige metode, genaamd die
"Post-bevrugting" Proses skorsing, is meer algemeen as die laasgenoemde, waarna verwys word as die "in-situ"
Proses skorsing. Beide prosesse word hieronder beskryf.