Yaya ake yin esters cellulose?

Cellulose esters wani nau'i ne na kayan da aka samo asali lokacin da aka amsa cellulose tare da acid ko barasa. Samfurin da aka samu shine abu ne mai juriya ga ruwa, zafi, da sinadarai. Ana amfani da esters na cellulose a cikin aikace-aikace iri-iri, ciki har da sutura, adhesives, da robobi.

Cellulose esters yawanci ana yin su ta hanyar amsa cellulose tare da acid ko barasa. Yawanci ana yin maganin ne a gaban mai kara kuzari, irin su sulfuric acid, da kuma yanayin zafi mai yawa. Halin yana haifar da nau'ikan esters daban-daban, dangane da nau'in acid ko barasa da aka yi amfani da su.

Mafi yawan esters cellulose sune cellulose acetate, cellulose propionate, da cellulose butyrate. Cellulose acetate an kafa shi lokacin da aka amsa cellulose tare da acetic acid. An kafa cellulose propionate lokacin da aka amsa cellulose tare da propionic acid. Cellulose butyrate yana samuwa lokacin da cellulose ke amsawa da butyric acid.

Hakanan ana iya samar da esters na cellulose ta hanyar amsa cellulose tare da barasa. Mafi yawan barasa da ake amfani da su don wannan dalili sune methanol, ethanol, da isopropanol. Halin yana haifar da nau'ikan esters daban-daban, dangane da nau'in barasa da aka yi amfani da su.

Hakanan za'a iya samar da esters na cellulose ta hanyar mayar da martani ga cellulose tare da wakili mai esterifying, kamar glycerol ko ethylene glycol. Wannan halayen yana haifar da nau'ikan esters daban-daban, dangane da nau'in wakili na esterifying da aka yi amfani da shi.

Hakanan ana iya samar da esters na cellulose ta hanyar mayar da martani ga cellulose tare da wakili na halogenating, irin su chlorine ko bromine. Wannan halayen yana haifar da nau'ikan esters daban-daban, dangane da nau'in wakili na halogenating da aka yi amfani da shi.

Hakanan za'a iya samar da esters na cellulose ta hanyar amsa cellulose tare da wakili mai oxidizing, kamar hydrogen peroxide. Wannan halayen yana haifar da nau'ikan esters daban-daban, dangane da nau'in wakili na oxidizing da aka yi amfani da shi.

Hakanan ana iya samar da esters na cellulose ta hanyar mayar da martani ga cellulose tare da wakili na amintaccen, kamar ammonia ko amine. Wannan halayen yana haifar da nau'ikan esters daban-daban, dangane da nau'in wakili na aminating da aka yi amfani da shi.

Hakanan ana iya samar da esters na cellulose ta hanyar mayar da martani ga cellulose tare da wakili mai ragewa, kamar sodium borohydride ko lithium aluminum hydride. Wannan halayen yana haifar da nau'ikan esters daban-daban, dangane da nau'in wakili mai rage amfani.

Hakanan ana iya samar da esters na cellulose ta hanyar mayar da martani ga cellulose tare da wakili mai haɗin kai, kamar dialdehyde ko diisocyanate. Wannan halayen yana haifar da nau'ikan esters daban-daban, dangane da nau'in wakili mai haɗin giciye da aka yi amfani da shi.

Hakanan ana iya samar da esters na cellulose ta hanyar mayar da martani ga cellulose tare da wakili na polymerizing, kamar vinyl monomer ko polyester. Wannan halayen yana haifar da nau'ikan esters daban-daban, dangane da nau'in wakili na polymerizing da aka yi amfani da shi.

Hakanan ana iya samar da esters na cellulose ta hanyar mayar da martani ga cellulose tare da wakili mai warkarwa, kamar epoxy ko polyurethane. Wannan halayen yana haifar da nau'ikan esters daban-daban, dangane da nau'in wakili na warkewa da aka yi amfani da shi.

Hakanan ana iya samar da esters na cellulose ta hanyar mayar da martani ga cellulose tare da wakili na filastik, kamar phthalate ko polyethylene glycol. Wannan halayen yana haifar da nau'ikan esters daban-daban, dangane da nau'in wakili na filastik da aka yi amfani da shi.

Hakanan ana iya samar da esters na cellulose ta hanyar mayar da martani ga cellulose tare da surfactant, kamar nonionic ko anionic surfactant. Wannan halayen yana haifar da nau'ikan esters daban-daban, dangane da nau'in surfactant da aka yi amfani da su.

Hakanan ana iya samar da esters na cellulose ta hanyar mayar da martani ga cellulose tare da mai hana wuta, kamar halogenated hydrocarbon ko fili na phosphorous. Wannan halayen yana haifar da nau'ikan esters daban-daban, dangane da nau'in mai hana wuta da aka yi amfani da shi.

A ƙarshe, ana samar da esters cellulose ta hanyar amsawa cellulose tare da acid, barasa, wakili na esterifying, wakili halogenating, wakili na oxidizing, wakili na aminating, wakili mai ragewa, wakili mai haɗin kai, wakili na polymerizing, wakili na warkewa. . Nau'in ester da aka samar ya dogara da nau'in mai amsawa da aka yi amfani da shi. Ana amfani da esters na cellulose a cikin aikace-aikace iri-iri, ciki har da sutura, adhesives, da robobi.