Global - Premier Adipic Acid: Xiaki xa Nkoka xa Tipholimer na Tikhemikhali ta Matirhelo ya le Henhla

Swihlawulekisi swa Xiviri na Tikhemikhali

Ku languteka na Xivumbeko: Adipic Acid hi ntolovelo yi humelela tani hi powder yo basa, ya crystalline kumbe ti crystals letintsongo, letinga riki na muhlovo. Yina xivumbeko xo olova naswona ayi nun’hweli ehansi ka swiyimo swa ntolovelo, leswi endlaka leswaku yifaneleka eka switirhisiwa swohambana hambana laha ku lavekaka neutral sensory profile.
Ku n’oka: Yikombisa ku n’oka loku ringaneleke ematini, laha kwalomu ka 1.44 g yi n’okaka eka 100 mL ya mati eka 25°C. Hambiswiritano, yi n’oka swinene eka swintshuxo swa organic swofana na ethanol, acetone na benzene. Mahanyelo lawa ya solubility ya pfumelela ku nghenelela kahle eka nxaxamelo wo anama wa ti khemikhali leti cincaka na swivumbeko.

Swilo swa Nkoka swa Miri: Adipic Acid yina molar mass ya 146.14 g/mol. Ku tsindziyela ka yona kuva kwalomu ka 1.36 g/cm3 eka 25°C, leswinga tsindziyela nyana kutlula mati. Melting point ya adipic acid i 152°C, leswi kombaka ku cinca ka yona kusuka eka xiyimo xo tiya kuya eka xiyimo xa mati ehansi ka mahiselo yale henhla. Nhlayo ya ku vila yihumelela eka 337.5°C, hambi leswi yinga sungulaka ku bola loko yinga se fika eka mahiselo lawa ehansi ka ntshikelelo wa xibakabaka. Ndzhawu ya yona yo pfurha i 207°C, leswi kombaka leswaku yilava mahiselo yale henhla swinene xikan’we na swihlovo swa ignition kuva yiva na khombo ro pfurha.

Ku Endliwa ka Tikhemikhali: Tanihi dicarboxylic acid, adipic acid yina mintlawa yimbirhi ya carboxyl functional groups (-COOH), leswi yi nyikaka matimba yale henhla ya ti khemikhali. Yi hlanganyela hiku olova eka ti esterification reactions na ti alcohols, yi endla ti esters leti tirhisiwaka ngopfu eka vuhumelerisi bya tipulasitiki, switolwa na swinun’hweriso. Ku engetela kwalano, yinga endla reaction na ti diamines hiku tirhisa condensation polymerization kuva yi endla ti polyamides, ngopfu ngopfu nylon 6,6. Ku cinca loku ka polymerization i ribye ra xisekelo ra ti indasitiri ta ti fibre ta synthetic na tipulasitiki ta vunjhiniyara. Adipic acid yinga tlhela yiva na ti reduction reactions kuva yi endla ti alcohols leti fambelanaka naswona yinga endla reaction na ti bases kuva yi endla ti salts, leti tivekaka tani hi adipates.

Tindhawu ta Swikombelo

Vuhumelerisi bya Polyamide (Nylon): . Ku tirhisiwa lokukulu na ka nkoka swinene ka adipic acid swile ka ku endliwa ka ti polyamides, ngopfu ngopfu nylon 6,6. Eka endlelo leri, adipic acid yi endla reaction na hexamethylenediamine eka condensation polymerization reaction. Naylon 6,6 leyi humelelaka i pulasitiki ya vunjhiniyara ya matirhelo ya le henhla leyi tivekaka hi matimba ya yona, ku tiya, ku lwisana na ku rhurhumela, na swivumbeko swa kahle swa michini. Nylon 6,6 yitirhisiwa ngopfu eka bindzu ra timovha eka swiphemu swofana na swiphemu swa njhini, tigiya, na ti bearing. Yitlhela yiva xitirhisiwa xa nkoka eka bindzu ra swiambalo, laha yitirhisiwaka ku humelerisa malapi ya xiyimo xale henhla ya swiambalo, tikhapete, na upholstery hikokwalaho ka matimba ya yona, ku tiyisela, na vuswikoti byo khoma tidayi kahle.

Switirhisiwa swa Tipulasitiki na Switolwa: Adipic acid yitirhisiwa ku humelerisa ti adipate - based plasticizers. Ti plasticizers leti ti cheriwa eka ti polymers, ngopfu ngopfu polyvinyl chloride (PVC), ku antswisa ku olova ka tona, ku lulamisiwa na ku tiya ka tona. Ti adipate plasticizers titsakeriwa eka switirhisiwa laha ku lavekaka ku cinca cinca ka mahiselo yale hansi, kufana na vuhumelerisi bya ti wiring insulation ta mimovha, ti medical tubing, na switirhisiwa swa PVC leswinga tiyelangiki. Ku engetela kwalano, ti esters leti humaka eka adipic acid titirhisiwa tani hi switolwa eka switirhisiwa swohambana hambana swa ti indasitiri, leswi nyikaka swivumbeko swa kahle swinene swa anti - wear na anti - friction, naswona swi lulamerile kutirhisiwa eka tinjhini, ti gears, na maendlelo yan’wana ya michini.

Vumaki bya Swakudya na Swinwiwa (Ku tirhisiwa loku nga kongomangiki): . Loko adipic acid yinga dyiwi hiku kongoma eka swakudya, yitirhisiwa eka vuhumelerisi bya switirhisiwa swa swakudya - contact na switirhisiwa swo lulamisa swakudya. Ti esters ta yona, loko titirhisiwa eka ti coatings nati sealants ta swakudya - switirhisiwa swo paka, ti pfuneta ku tiyisisa vutshembeki na vuhlayiseki bya switirhisiwa swa swakudya hiku sivela ku thyakisa xikan’we naku hlayisa kutsakama ka swihumelerisiwa. Ku engetela kwalano, ti polymers leti simekiweke eka adipic acid tinga tirhisiwa eka vuhumelerisi bya swiphemu swa switirhisiwa leswi hlanganaka na swakudya hinkarhi wa ku lulamisiwa, kufana na ti conveyor belts nati seals.

Tiindasitiri ta Mirhi na Switolwa: Eka bindzu ra mirhi, adipic acid yinga tirhisiwa tani hi excipient eka swivumbeko swa mirhi. Yinga tirha tani hi buffering agent ku lawula pH ya ti pharmaceutical solutions nati suspensions, kutiyisisa kutshamiseka xikan’we naku tirha kahle ka mirhi. Eka bindzu ra switolwa, ti adipic acid esters titirhisiwa eka switirhisiwa swohambana hambana, swofana na ti cream, lotions, na lipsticks, ku antswisa xivumbeko, ku antswisa ku hangalaka, naku nyika swivumbeko swo olovisa, leswi endlaka leswaku nhlonge yiva yi olovile naswona yi rhetela.

Maendlelo yo Lunghiselela

Ku endliwa ka oxidation ka Cyclohexane: . Leyi i ndlela leyikulu ya ti indasitiri yo humelerisa adipic acid. Endlelo risungula hi oxidation ya cyclohexane eka vukona bya catalyst, hi ntolovelo i cobalt - based catalyst. Eka oxidation ya xiteji xosungula, cyclohexane yi endla reaction na moya kumbe oxygen kuva yi endla nkatsakanyo wa cyclohexanol na cyclohexanone, endlelo leri tivekaka tani hi "KA oil" (ketone - alcohol oil) process. Ku cinca cinca loku ku endliwa eka mahiselo ya kwalomu ka 150 - 160°C na ntshikelelo wa 1 - 1.5 MPa. Endzhaku ka sweswo, mafurha ya KA yatlhela ya oxidized eka second - stage reaction hiku tirhisa nitric acid tani hi oxidizing agent, hi ntolovelo eka mahiselo ya 60 - 80°C xikan’we na ntshikelelo wa xibakabaka. Oxidation leyi ya xiteji xa vumbirhi yi hundzula cyclohexanol na cyclohexanone kuva adipic acid. Hambiswiritano, ndlela leyi yina swiphiqo swin’wana swa mbango, tani hileswi kutirhisiwa ka nitric acid swihumesaka nitrous oxide (N2O), gasi ya matimba ya greenhouse, naswona swilava vulawuri bya vukheta bya swinambyana swa thyaka.

Maendlelo ya Thekinoloji ya Swilo leswi hanyaka: Emalembeni ya sweswinyana, kuve na ku tsakela loku kulaka eka tindlela ta biotechnological to humelerisa adipic acid tani hi ndlela yin’wana leyi nga ta tshama nkarhi wo leha. Ti microorganisms, tofana na ti genetically engineered bacteria kumbe yeast, tinga tirhisiwa ku hundzula switirhisiwa leswi pfuxetiwaka, kufana na chukele kumbe mafurha lawa ya endliweke hi swimilani, kuva adipic acid hiku tirhisa nxaxamelo wa tindlela ta metabolic. Hi xikombiso, tibakteriya tin’wana ti nga endliwa hi vunjhiniyara leswaku ti humesa swilo swa le xikarhi leswi nga hundzuriwaka ku ya emahlweni swi va adipic acid. Loko maendlelo lawa ya biotechnological yahari eka xiteji xa nhluvukiso naswona ya langutane na mintlhontlho leyi fambelanaka na vuhumelerisi na ntsengo - ku tirha kahle, ya nyika vuswikoti bya vuhumelerisi bya adipic acid lebyi nga onhiki mbango xikan’we naku tshamiseka eka nkarhi lowu taka.

Switsundzuxo

Makhombo ya Rihanyo: Adipic acid yinga vanga ku pfimba ka nhlonge na mahlo loko yi khumbana hiku kongoma. Loko nhlonge yi tshama nkarhi wo leha kumbe yi phindha-phindha yi nga ha vanga vuvabyi bya nhlonge, naswona loko byi hlangana ni mahlo, byi nga ha vanga ku tshwuka, ku vava ni ku onhaka loku nga ha vaka kona ka cornea. Ku hefemula swiphemuphemu swa ntshuri swa adipic acid swi nga ha hlundzukisa xirho xo hefemula, swi vanga ku khohlola, ku hefemula ni ku hefemula hi ku nonoka. Ku dya nhlayo leyikulu ya adipic acid swi nga endla leswaku munhu a nga tsaki hi khwiri, ku katsa ni ku pfimba ka khwiri, ku hlanta ni ku pfimba ka khwiri. Vatirhi lava khomaka adipic acid va fanele ku ambala switirhisiwa leswi faneleke swo tisirhelela swa munhu hi xiyexe, swo tanihi magilavu, tinghilazi ta vuhlayiseki, na swisirhelelo swo hefemula, ngopfu-ngopfu eka tindhawu leti ku humesiwaka ntshuri ku kotekaka.

Makhombo ya Ndzilo na ku Buluka: Hambileswi adipic acid yi nga ni ndhawu leyi tlakukeke yo voninga, ya pfurha. Hi xivumbeko xa powder, yinga endla swihlanganisi leswi pfurhaka na moya loko yi hangalasiwa hi nhlayo leyi ringaneleke. Tindzhawu to hlayisa tifanele ku vekiwa ekule na swihlovo swa ndzilo, naswona ku nghenisiwa ka moya kahle i swa nkoka kuva ku sivela ku hlengeletana ka ntshuri. Loko kuri na ndzilo lowu katsaka adipic acid, switirhisiwa leswi faneleke swo tima ndzilo, swofana na dry chemical powder kumbe carbon dioxide, swifanele kutirhisiwa.

Vuyelo bya Ntivo-mbango: . Adipic acid yitshama yirikarhi yiringanela eka mbango. Loko yi humesiwa eka mati, yinga onhiwa hi switsongwatsongwana hiku famba ka nkarhi, kambe nhlayo yale henhla yahari na nkucetelo eka vutomi byale matini. Swinga tlhela swi khumba pH ya maendlelo ya mati hikokwalaho ka ntumbuluko wa yona wa acid. Hikokwalaho, vulawuri lebyi faneleke bya thyaka xikan’we na magoza yo khoma swina nkoka swinene ku sivela ku humesiwa lokunga lawuriwiki ka adipic acid eka mbango. Ti indasitiri leti humelerisaka kumbe ku tirhisa adipic acid ti laveka ku landzelela milawu yo tika ya mbango ku hunguta ku khumbeka ka yona eka misava, mati na khwalithi ya moya.

Swihlawulekisi swa kona

Xiphephana xa Vulawuri bya Khwalithi