Kwayoyin polypropylene sun ƙunshi ƙungiyoyin methyl, waɗanda za a iya raba su zuwa polypropylene isotactic, polypropylene atactic da polypropylene syndiotactic bisa ga tsarin ƙungiyoyin methyl. Lokacin da aka shirya ƙungiyoyin methyl a gefe ɗaya na babban sarkar, ana kiran shi polypropylene isotactic; idan an rarraba kungiyoyin methyl bazuwar a bangarorin biyu na babban sarkar, ana kiran shi polypropylene atactic; lokacin da aka tsara ƙungiyoyin methyl a madadin su a bangarorin biyu na babban sarkar, ana kiran shi syndiotactic. polypropylene. A cikin samar da resin polypropylene gaba ɗaya, abun ciki na tsarin isotactic (wanda ake kira isotacticity) shine kusan 95%, sauran kuma shine atactic ko syndiotactic polypropylene. An rarraba resin polypropylene a halin yanzu da aka samar a kasar Sin bisa ga ma'aunin narkewa da ƙari.
Atactic polypropylene shine samfurin samar da isotactic polypropylene. Ana samar da polypropylene atactic a cikin samar da polypropylene isotactic, kuma an raba polypropylene isotactic daga atactic polypropylene ta hanyar rabuwa.
Atactic polypropylene abu ne mai mahimmanci na thermoplastic na roba tare da kyakkyawan ƙarfi mai ƙarfi. Hakanan ana iya lalata shi kamar roba ethylene-propylene.
Lokacin aikawa: Fabrairu-28-2023