Ethylene cracking C5 karoloana ea atmospheric pressure rectification intercepts 45-75â isoprene enriched component as raw material A; ethylene cracking C5 karoloana atmospheric khatello ea rectification intercepts 25-45â isoprene enriched component as raw material B; Ethylene cracking C9 fraction is vacuum rectified under 0.08ï½0.095MPa,Petroleum Resin mme karoloana e nang le ntlha e belang ea 140ï½180â e nkuoa e le thepa e tala C. Lisebelisoa tse tharo tse ka holimo A, B le C li lokisitsoe ho latela tekanyo ea boima ba 1:1.5ï½3.0:1.5ï½3.0 C5/C9 petroleum resin polymerization thepa e tala D;
Kamora ho theola metsi a lisebelisoa tse tala tse boletsoeng ka holimo tsa D ka tora ea 4A ea limolek'hule tse pakang, Petroleum Resin selective hydrogenation e etsoa ka Pd/Al2O3 catalyst ho tlosa alkyne, Petroleum Resin ebe 0.05 ho 0.5 wt% ea FriedelCrafts catalyst ea eketsoa. prepolymerized mocheso oa kamore bakeng sa lihora tse 0.5 ho isa ho tse 1.5, Resin ea petroleum le calcium hydroxide The catalyst e tlosoa motsoakong le methanol, 'me ka mor'a distillation, petroleum Resin karoloana ea thepa e tala ea E e nang le ntlha e belang ea 25 ho isa ho 180 ° C e fumanoa. Petroleum Resin e kaholimo e entsoeng ka polymerized e entsoe ka polymerized ka ketleleng ea karabelo e matla e nang le ho sisinyeha ka mocheso oa 180 ° C ho isa ho 230 ° C bakeng sa lihora tse 3 ho isa ho tse 5. Fumana sehlahisoa sa dimerization F sa Centaolefin le Styrene kapa Methyl Styrene;
U sebelisa sehlahisoa se boletsoeng ka holimo sa dimerization F e le thepa e tala, Resin ea Petroleum e kopantsoeng le solvent e hlapollang ka tekanyo ea boima ba 1: 0.1 ho 1.0, Petroleum Resin le ho eketsa khase ea boron trifluoride catalyst accounting bakeng sa 0.1 ho 0.5% ea boima bohle ba boima. ea lintho tse ho catalyze polymerization ka 30 ho 65 ° C 2 ho ea bosehla bo lefifi ho ea sootho polymerization tharollo e ile ea fumanoa ka 5 lihora tse. Tharollo ea polymerization e ile ea tlosoa catalyst ka motsoako oa calcium hydroxide le methanol ho fumana tharollo e mosehla ea resin; Petroleum Resin tharollo ea resin e ka holimo e ne e le tlas'a tsamaiso ea motlakase le phekolo ea ho felloa ke metsi ka 50 ho 80 ° C. Feta bethe e tiileng ea Al2O3. ho â;
Tharollo ea C5/C9 ea petroleum resin ka mor'a hore pele ho ts'ebetso e ka holimo e qhibilihe ka motsoako oa dilution ka tekanyo ea boima ba 1: 1 ho ea ho 5, 'me e tlas'a karabelo ea hydrogenation ka pel'a Pd catalyst e fetotsoeng ho fumana tharollo ea hydrogenated diluted resin. . ï½295â, reaction hydrogen pressure ke 10.0ï½17.0MPa,Petroleum Resin reaction space velocity is 0.125ï½0.333h/1, nako ea ho arabela ke 3ï½8h;Petroleum Resin tlosa solvent le Polymer e tlase, Petroleum Resin e leng , C5/C9 hydrogenated petroleum resin.
