Dab tsi yog Kev Siv Levulinic Acid?

Levulinic acid yog cov khoom siv ntau yam uas muaj carbonyl, -hydrogen thiab carboxyl pawg. Nws yog ib qho tseem ceeb raw khoom rau synthesizing ntau yam khoom siv tshuaj. Nws muaj ntau yam kev siv tus nqi hauv cov organic synthesis, kev lag luam, kev ua liaj ua teb thiab tshuaj. Cov khoom siv hydrogenation ntawm levulinic acid, -valerolactone, yog cov kuab tshuaj qib siab thiab tuaj yeem siv los ua cov khoom nruab nrab rau kev npaj cov roj hmab hluavtaws, cov yas tiv taus txias thiab cov surfactants. Chlorolevulinic acid tuaj yeem siv los ua tus neeg sawv cev tiv thaiv kab mob rau cov dej hauv dej. Hauv kev ua liaj ua teb, amine ntsev ntawm chlorolevulinic acid tuaj yeem siv los ua tshuaj tua kab mob thiab tshuaj tua kab mob. Hauv cov tshuaj, cov tshuaj tiv thaiv kab mob thiab cov tshuaj txhaj tshuaj tuaj yeem npaj tau los ntawm levulinic acid los ntawm kev sib sib zog nqus hydrolysis ntawm cov hmoov txhuv nplej siab, piam thaj thiab cellulose raw cov ntaub ntawv. Feem ntau, nws yog rhuab nyob rau hauv lub xub ntiag ntawm hydrochloric acid (los yog sulfuric acid) los yog lwm yam hydrolysis catalysts los tsim 5-hydroxymethylfurfural, thiab ces 5-hydroxymethylfurfural yog decomposed kom tau levulinic acid, uas yog lim thiab concentrated, thiab tom qab ntawd cov khoom tiav yog tau los ntawm lub tshuab nqus tsev distillation lossis extraction. Nws tuaj yeem siv los ua cov tshuaj tiv thaiv carboxylic acid lossis ketone cov tshuaj tiv thaiv. Ntau yam khoom tuaj yeem tau txais los ntawm esterification, halogenation, hydrogenation, oxidative dehydrogenation, condensation thiab lwm yam tshuaj tiv thaiv. Xws li siv los ua cov yas hloov kho, cov kuab tshuaj, tshuaj, tshuaj muaj tshuaj, tshuaj tsw qab, tshuaj tua kab intermediates, organic synthesis intermediates, polymer additives, lubricant additives, surfactants, printing inks, roj hmab additives, cosmetic additives (xws li tshuaj zawv plaub hau, toiletries), thiab lwm yam.