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Kayayyaki

Adipic acid-Amfani da sinadarai/haɗuwar kwayoyin/magunguna/mai mai

Takaitaccen Bayani:

CAS No.:124-04-9

Lakabin Sinawa:fatty acid

Sunan Ingilishi:Adipic acid.

Tsarin tsari:Adipic-acid-2


Cikakken Bayani

Tags samfurin

Amfani

Adipic acid na iya fuskantar halayen haɓakar gishiri, halayen esterification, halayen amidation, da dai sauransu, kuma ana iya sanya shi tare da diamines ko glycols don ƙirƙirar polymers masu girma.Adipic acid shine dicarboxylic acid na babban mahimmancin masana'antu.Yana taka muhimmiyar rawa wajen samar da sinadarai, masana'antar hada magunguna, magani, da masana'antar mai.Adipic acid kuma danyen kayan magani ne, tsarkake yisti, magungunan kashe qwari, adhesives, fata na roba, rini na roba da turare.

Adipic acid ana amfani dashi galibi azaman albarkatun ƙasa don nailan 66 da robobin injiniya.Hakanan ana amfani dashi don samar da samfuran ester daban-daban.Hakanan ana amfani dashi azaman ɗanyen abu don polyurethane elastomers kuma azaman acidifier don abinci da abubuwan sha daban-daban.Citric acid da tartaric acid.

Adipic acid kuma danyen kayan magani ne, tsarkake yisti, magungunan kashe qwari, adhesives, fata na roba, rini na roba da turare.

Adipic acid yana da ɗanɗano mai laushi da ɗanɗano mai ɗanɗano, kuma ƙimar pH ta canza ƙasa a cikin kewayon taro mafi girma.Yana da mafi kyawun tsarin ƙimar pH.GB2760-2007 ya nuna cewa matsakaicin adadin amfanin wannan samfurin don abubuwan sha mai ƙarfi shine 0.01g/kg;Hakanan za'a iya amfani dashi don jelly da jelly foda, kuma matsakaicin adadin amfani don jelly shine 0.01g / kg;lokacin da aka yi amfani da shi don jelly foda, ana iya danna shi Daidaita yawancin don ƙara yawan amfani.

Adipic acid ko hexanedioic acid shine sinadarin kwayoyin halitta tare da dabara
(CH2)4 (COOH)2.Daga hangen nesa na masana'antu, shine mafi mahimmancin dicarboxylic acid: kimanin kilogiram biliyan 2.5 na wannan farin crystalline foda ana samarwa a kowace shekara, musamman a matsayin maƙasudin samar da nailan.Adipic acid in ba haka ba da wuya yana faruwa a cikin yanayi, amma an san shi da ƙera E355 abinci ƙari.

Kimanin kashi 60% na kilogiram biliyan 2.5 na adipic acid da ake samarwa kowace shekara ana amfani da shi azaman monomer don samar da nailan ta hanyar haɓakar polycondensation tare da hexamethylene diamine forming nailan 66. Sauran manyan aikace-aikace kuma sun haɗa da polymers;monomer ne don samar da polyurethane kuma esters sune masu yin filastik, musamman a cikin PVC.

Aikace-aikace

Adipic acid ana amfani dashi galibi azaman albarkatun ƙasa don nailan 66 da robobin injiniya.Hakanan ana amfani dashi don samar da samfuran ester daban-daban.Hakanan ana amfani dashi azaman ɗanyen abu don polyurethane elastomers kuma azaman acidifier don abinci da abubuwan sha daban-daban.Citric acid da tartaric acid.

Adipic acid kuma danyen kayan magani ne, tsarkake yisti, magungunan kashe qwari, adhesives, fata na roba, rini na roba da turare.

Adipic acid yana da ɗanɗano mai laushi da ɗanɗano mai ɗanɗano, kuma ƙimar pH ta canza ƙasa a cikin kewayon taro mafi girma.Yana da mafi kyawun tsarin ƙimar pH.GB2760-2007 ya nuna cewa matsakaicin adadin amfanin wannan samfurin don abubuwan sha mai ƙarfi shine 0.01g/kg;Hakanan za'a iya amfani dashi don jelly da jelly foda, kuma matsakaicin adadin amfani don jelly shine 0.01g / kg;lokacin da aka yi amfani da shi don jelly foda, ana iya danna shi Daidaita yawancin don ƙara yawan amfani.

A cikin magani:
An shigar da Adipic acid cikin allunan matrix na tsarin sarrafawa-saki don samun sakin mai zaman kansa na pH don duka magunguna marasa ƙarfi da raunin acidic.Hakanan an haɗa shi cikin rufin polymeric na tsarin tsarin monolithic na hydrophilic don daidaita pH intragel, wanda ya haifar da sakin sifili na maganin hydrophilic.An ba da rahoton rarrabuwa a pH na intestinal na enteric polymer shellac don inganta lokacin da aka yi amfani da adipic acid a matsayin wakili mai haifar da pore ba tare da rinjayar saki a cikin kafofin watsa labaru na acidic ba.Sauran abubuwan da aka sarrafa-saki sun haɗa da adipic acid tare da niyyar samun bayanan fashe a ƙarshen.

A cikin abinci:
Ana amfani da ƙananan adadin adipic acid a matsayin kayan abinci a matsayin taimakon ɗanɗano da gelling.Ana amfani dashi a cikin wasu antacids na calcium carbonate don sanya su tart.A matsayin acidulant a cikin yin burodi foda, yana guje wa kaddarorin hygroscopic maras so na tartaric acid.Adipic acid, da wuya a cikin yanayi, yana faruwa ta dabi'a a cikin beets, amma wannan ba shine tushen tattalin arziki don kasuwanci ba idan aka kwatanta da haɗin masana'antu.

Kulawar aminci:
Adipic acid, kamar yawancin acid carboxylic, yana da laushin fata.Yana da ɗanɗano mai guba, tare da matsakaiciyar kisa na 3600 mg/kg don shan baki ta hanyar beraye.

Abubuwan da suka shafi muhalli:
Samar da adipic acid yana da alaƙa da fitar da N2O, mai ƙarfi
greenhouse gas da kuma dalilin stratospheric ozone depletion.A masu samar da adipic acid DuPont da Rhodia (yanzu Invista da Solvay, bi da bi), an aiwatar da matakai don canza nitrous oxide cikin hanzari zuwa samfuran marasa lahani:

2 N2O → 2 N2 + O2


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