Products
Adipic Acid-inoshandiswa makemikari/organic synthesis/medicine/lubricant
Tsanangudzo Pfupi
Nhamba yeCAS:124-04-9
Chinese alias:mafuta acid
Chirungu zita:Adipic acid.
Structural formula:
Uses
Adipic acid inogona kusangana nekuita munyu-kugadzira maitiro, esterification reactions, amidation reactions, nezvimwewo, uye inogona kuve polycondensed nemadiamines kana glycols kuti iite ma-high-molecular polymers.Adipic asidhi idicarboxylic acid ine kukosha kukuru kwemaindasitiri.Inoita basa rakakosha mukugadzirwa kwemakemikari, organic synthesis indasitiri, mushonga, uye kugadzira mafuta.Adipic asidhi zvakare chigadziriso chemushonga, mbiriso yekuchenesa, mishonga yezvipembenene, zvinonamira, zvinogadzirwa matehwe, madhayi ekugadzira uye pefiyumu.
Adipic acid inonyanya kushandiswa seyakagadzirwa naironi 66 uye mapurasitiki einjiniya.Inoshandiswawo pakugadzirwa kwezvinhu zvakasiyana-siyana ester.Iyo inoshandiswa zvakare seyakagadzirwa zvinhu zve polyurethane elastomers uye se acidifier yezvikafu zvakasiyana uye zvinwiwa.Pamusoro pe citric acid uye tartaric acid.
Adipic asidhi zvakare chigadziriso chemushonga, mbiriso yekuchenesa, mishonga yezvipembenene, zvinonamira, zvinogadzirwa matehwe, madhayi ekugadzira uye pefiyumu.
Adipic asidhi ine yakapfava uye inogara kwenguva refu inovava kuravira, uye iyo pH kukosha inoshanduka kushoma muhukuru hwekusunga renji.Iyo iri nani pH kukosha regulator.GB2760-2007 inotaura kuti huwandu hwekushandiswa kwechigadzirwa ichi kune zvinwiwa zvakasimba ndeye 0.01g/kg;inogona zvakare kushandiswa kune jelly uye jelly poda, uye iyo yakanyanya kushandiswa huwandu hwejelly ndeye 0.01g/kg;kana ichishandiswa jelly powder, inogona kudzvinyirirwa Rongedza kuwanda kuti uwedzere kushandiswa.
Adipic acid kana hexanedioic acid ndiyo organic compound ine fomula
(CH2)4(COOH)2.Kubva pakuona kwemaindasitiri, ndiyo inonyanya kukosha dicarboxylic acid: inenge 2.5 bhiriyoni makirogiramu eiyi chena crystalline poda inogadzirwa gore negore, kunyanya sechigadziro chekugadzirwa kwenylon.Adipic acid neimwe nzira haiwanzo kuitika mumasikirwo, asi inozivikanwa seyakagadzirwa E nhamba yechikafu chekuwedzera E355.
Inenge 60% ye2.5 bhiriyoni kg yeadipic acid inogadzirwa gore negore inoshandiswa semonomeri yekugadzirwa kwenylon ne polycondensation reaction ne hexamethylene diamine inogadzira nylon 66. Zvimwe zvinoshandiswa zvikuru zvinosanganisirawo mapolima;imonoma yekugadzira polyurethane uye esters ayo mapurasitiki, kunyanya muPVC.
Application
Adipic acid inonyanya kushandiswa seyakagadzirwa naironi 66 uye mapurasitiki einjiniya.Inoshandiswawo pakugadzirwa kwezvinhu zvakasiyana-siyana ester.Iyo inoshandiswa zvakare seyakagadzirwa zvinhu zve polyurethane elastomers uye se acidifier yezvikafu zvakasiyana uye zvinwiwa.Pamusoro pe citric acid uye tartaric acid.
Adipic asidhi zvakare chigadziriso chemushonga, mbiriso yekuchenesa, mishonga yezvipembenene, zvinonamira, zvinogadzirwa matehwe, madhayi ekugadzira uye pefiyumu.
Adipic asidhi ine yakapfava uye inogara kwenguva refu inovava kuravira, uye iyo pH kukosha inoshanduka kushoma muhukuru hwekusunga renji.Iyo iri nani pH kukosha regulator.GB2760-2007 inotaura kuti huwandu hwekushandiswa kwechigadzirwa ichi kune zvinwiwa zvakasimba ndeye 0.01g/kg;inogona zvakare kushandiswa kune jelly uye jelly poda, uye iyo yakanyanya kushandiswa huwandu hwejelly ndeye 0.01g/kg;kana ichishandiswa jelly powder, inogona kudzvinyirirwa Rongedza kuwanda kuti uwedzere kushandiswa.
Mumushonga:
Adipic asidhi yakaiswa mune inodzorwa-kuburitsa kugadzirwa matrix mahwendefa kuti iwane pH-yakazvimiririra kusunungurwa kune ese ari maviri asina simba ekutanga uye asina kusimba madhiragi ane acid.Iyo yakaverengerwa mu polymeric coating ye hydrophilic monolithic masisitimu kuti igadzirise iyo intragel pH, zvichikonzera zero-odha kuburitswa kwemushonga wehydrophilic.Kuparara kwemudumbu pH ye enteric polymer shellac kwanzi kunowedzera apo adipic acid yakashandiswa se pore-forming agent pasina kukanganisa kusunungurwa mune acidic media.Mamwe magadzirirwo anodzorwa-akaburitsa akabatanidza adipic asidhi nechinangwa chekuwana kunonoka-kuputika kuburitsa chimiro.
Muzvokudya:
Madiki asi akakosha huwandu hweadipic asidhi inoshandiswa sechikafu chekudya seanonhuwirira uye gelling rubatsiro.Inoshandiswa mune mamwe calcium carbonate antacids kuti iite tart.Se acidulant muhupfu hwekubikisa, inodzivirira zvisingadiwe hygroscopic zvimiro zve tartaric acid.Adipic asidhi, isingawanzo muzvisikwa, inongoitika mubeet, asi iyi haisi yehupfumi sosi yekutengeserana kana ichienzaniswa nemaindasitiri synthesis.
Kuchengetedza kuchengetedza:
Adipic acid, kufanana neakawanda carboxylic acids, inoshatisa ganda rakapfava.Iyo ine muchetura zvinyoro, ine chiyero chinouraya chepakati che 3600 mg/kg yekunwa nemuromo nemakonzo.
Environmental issues:
Kugadzirwa kweadipic acid kwakabatana nekubuda kweN2O, ine simba
greenhouse gasi uye chikonzero che stratospheric ozone kupera.Paadipic acid vanogadzira DuPont naRhodia (ikozvino Invista neSolvay, zvichiteerana), maitiro akashandiswa kushandura zvine hungwaru iyo nitrous oxide kune zvigadzirwa zvisina mhosva:
2 N2O → 2 N2 + O2