1,3-propalendiol da 1,2-propalendiol sune mahaɗan kwayoyin halitta na aji na Diols, wanda ke nufin suna da kungiyoyin aikin hydroxyl guda biyu (-OH). Duk da kamanceceniya na tsarin nasu, suna nuna kaddarorin daban-daban kuma suna da aikace-aikace daban saboda tsarin waɗannan ƙungiyoyin su a cikin tsarin kwayoyin.
1,3-propalendiol, sau da yawa an share a matsayin 1,3-Pdo, yana da tsarin sunadarai C3h8O2. Yana da launi mara launi, mai kamshi, da ruwa mai ban sha'awa a zazzabi a ɗakin. Babban bambanci a cikin tsarin shi ne cewa ƙungiyoyin hydroxyl guda biyu suna nan a kan carbon atoms waɗanda ke raba su ɗaya daga Carbon atom. Wannan yana ba 1,3-pdo na musamman kaddarorin.
Kaddarorin da aikace-aikacen 1,3-propalendiol:
Soform:1,3-Pdo ne mai amfani ga polar da kuma ba a da nakasassu saboda tsarin sinadarsa.
Masanin kwantar da hankali:Ana amfani dashi azaman wakili mai guba a cikin mota da masana'antu saboda yana da ƙananan daskarewa fiye da ruwa.
Ana amfani da samarwa na polymer: 1,3-pdo a cikin samar da polymers na tsirara kamar polytrimethylene (ptt). Wadannan biunto suna da aikace-aikace a cikin rubutu da kuma iyo.
1,2-propalendiol:
1,2-propalendiol, wanda kuma aka sani da propylene glycol, yana da tsarin sunadarai c3h8o2 kuma. Babban bambancin shine ƙungiyoyinsa biyu na ta hydroxyl suna a kan carbon atoms a cikin kwayoyin.
Kayan da aikace-aikace na 1,2-propalendiol (propyleene glycol):
Antifreeze da Deciing wakili: Propylene glycol ana saba amfani dashi azaman maganin rigakafi a cikin sarrafa abinci, dumama, da tsarin sanyaya. Hakanan ana amfani dashi azaman wakili mai kyau don jirgin sama.
Humectant:Ana amfani dashi a cikin kwaskwarima iri iri da kuma kayan kulawa na mutum a matsayin Humuctant don riƙe danshi.
Adadin abinci:An rarraba Glycol Propylele Glycol a matsayin "gaba daya gane shi da aminci" (gras) da ake yi amfani da shi azaman abinci, da farko a matsayin mai ɗaukar kaya, da farko a cikin masana'antar abinci.
Magamfi mai kyau:An yi amfani da shi a wasu abubuwa na magunguna a matsayin sauran ƙarfi da kuma ɗaukar abubuwa don kwayoyi.
A taƙaice, mabuɗin bambanci tsakanin 1,3-propalendiol da 1,2-propalendiol ya ƙaryata a cikin tsarin ƙungiyoyin su na hydroxyl a cikin tsarin kwayoyin. Wannan bambancin tsari yana haifar da bambancin kayan aiki da kuma aikace-aikacen daban-daban na waɗannan diols, da 1,1-propalendiol (Propylene Glycamable (Propyleze Glycolable a cikin maganin rigakafi, abinci, kayan kwalliya, da magunguna.
Lokacin Post: Sat-20-2023