shi-bg

Bambanci tsakanin 1,3 propanediol da 1,2 propanediol

1,3-propanediol da 1,2-propanediol duka kwayoyin halitta ne na nau'in diols, wanda ke nufin suna da ƙungiyoyi biyu na hydroxyl (-OH).Duk da kamanceceniyansu na tsari, suna baje kolin kaddarori daban-daban kuma suna da aikace-aikace daban-daban saboda tsarin waɗannan ƙungiyoyi masu aiki a cikin tsarin kwayoyin su. 

1,3-Propanediol:

1,3-propanediol, sau da yawa ana rage shi azaman 1,3-PDO, yana da dabarar sinadarai C3H8O2.Ruwa ne mara launi, mara wari, kuma mara ɗanɗano a cikin ɗaki.Bambanci mai mahimmanci a tsarinsa shine ƙungiyoyin hydroxyl guda biyu suna zaune akan carbon atom waɗanda aka raba su da carbon atom ɗaya.Wannan yana ba 1,3-PDO kayan sa na musamman.

Kayayyaki da Aikace-aikace na 1,3-Propanediol:

Mai narkewa:1,3-PDO wani kaushi ne mai amfani ga nau'in polar daban-daban da mahadi marasa iyaka saboda tsarin sinadarai na musamman.

Antifreeze:Ana amfani da shi azaman maganin daskarewa a aikace-aikacen motoci da masana'antu saboda yana da ƙarancin daskarewa fiye da ruwa.

Polymer Production: Ana amfani da 1,3-PDO a cikin samar da polymers masu lalacewa kamar polytrimethylene terephthalate (PTT).Waɗannan na'urorin biopolymers suna da aikace-aikace a cikin yadi da marufi.

1,2-Propanediol:

1,2-propanediol, wanda kuma aka sani da propylene glycol, yana da tsarin sinadarai C3H8O2 kuma.Bambanci mai mahimmanci shine ƙungiyoyin hydroxyl guda biyu suna zaune a kusa da carbon atom a cikin kwayoyin.

Kayayyaki da Aikace-aikace na 1,2-Propanediol (Propylene Glycol):

Magance daskarewa da Wakilin Deicing: Ana amfani da propylene glycol azaman maganin daskarewa a tsarin sarrafa abinci, dumama, da tsarin sanyaya.Hakanan ana amfani da shi azaman wakili na deicing don jirgin sama.

Humectant:Ana amfani da shi a cikin kayan kwalliya daban-daban da samfuran kulawa na sirri azaman huctant don riƙe danshi.

Ƙarin Abinci:Hukumar Abinci da Magunguna ta Amurka (FDA) ta keɓe Propylene glycol a matsayin “wanda aka sani gabaɗaya lafiya” (GRAS) kuma ana amfani dashi azaman ƙari na abinci, da farko azaman mai ɗaukar ɗanɗano da launuka a cikin masana'antar abinci.

Magunguna:Ana amfani da shi a cikin wasu nau'ikan magunguna azaman sauran ƙarfi da jigilar magunguna.

A taƙaice, babban bambanci tsakanin 1,3-propanediol da 1,2-propanediol ya ta'allaka ne a cikin tsarin ƙungiyoyin hydroxyl su a cikin tsarin kwayoyin halitta.Wannan bambance-bambancen tsarin yana haifar da ƙayyadaddun kaddarorin da aikace-aikace daban-daban na waɗannan diols guda biyu, tare da 1,3-propanediol da ake amfani da su a cikin kaushi, maganin daskarewa, da polymers na biodegradable, yayin da 1,2-propanediol (propylene glycol) ya sami aikace-aikace a cikin maganin daskarewa, abinci, kayan shafawa. , da kuma magunguna.


Lokacin aikawa: Satumba-20-2023