▁The ▁polym er ▁obtained ▁is ▁pure . ▁ ▁Lar ge ▁cast ings ▁may ▁be ▁prepared ▁directly . ▁ ▁M ole cular ▁weight ▁distribution ▁can ▁be ▁easily ▁changed ▁▁ ▁The ▁product ▁obtained ▁has ▁high ▁optical ▁clar ity ▁ ▁Dis adv antages ▁: ▁ ▁He at ▁transfer ▁and ▁mixing ▁become ▁difficult ▁as ▁the ▁vis cos ity ▁of ▁reaction ▁mass ▁increases . ▁ ▁The ▁problem ▁of ▁heat ▁transfer ▁is ▁comp ounded ▁by ▁the ▁highly ▁ex oth erm ic ▁nature ▁of ▁free ▁radical ▁addition ▁polym er ization . ▁ ▁The ▁polym er ization ▁is ▁obtained ▁with ▁a ▁broad ▁mole cular ▁weight ▁distribution ▁due ▁to ▁the ▁high ▁vis cos ity ▁and ▁lack ▁of ▁good ▁heat ▁transfer . ▁ ▁Very ▁high ▁mole cular ▁weights ▁are ▁obtained . ▁ ▁Gel ▁effect . ▁For ▁reducing ▁the ▁dis adv antages ▁of ▁bulk ▁polym er ization , ▁the ▁process ▁can ▁be ▁carried ▁out ▁in ▁a ▁solution . ▁This ▁is ▁known ▁as ▁solution ▁polym er ization . ▁ ▁References ▁ ▁Category : Pol ym er ization ▁re actions ▁ ▁fr : Proc édé ▁de ▁polym ér isation # Pol ym ér isation ▁en ▁mas se <0x0A> </s> ▁K atherine ▁is ▁a ▁femin ine ▁given ▁name . ▁ ▁K atherine , ▁Catherine ▁or ▁Kath ar ine ▁may ▁also ▁refer ▁to : ▁ ▁Historical ▁figures ▁ ▁Sain ts ▁ ▁Saint ▁Catherine ▁of ▁Alexand ria ▁( 4 th ▁century ) ▁ ▁Saint ▁Catherine ▁of ▁Sweden ▁( cir ca ▁ 1 3 3 2 – 1 3 8 1 ) ▁ ▁Saint ▁Catherine ▁of ▁S ien a ▁(