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Ethyl N-acetyl-N-butyl-β-alaninate CAS: 52304-36-6
BAAPE ndi mankhwala ophera tizilombo amphamvu kwambiri omwe amathamangitsa ntchentche, nsabwe, nyerere, udzudzu, mphemvu, ntchentche, ntchentche, utitiri wa flat utitiri, utitiri wa mchenga, utitiri wa mchenga, utitiri wa mchenga, ntchentche za cicadas, ndi zina zotero. Mankhwala ophera tizilombo; mphamvu yake yophera tizilombo imakhala nthawi yayitali ndipo ingagwiritsidwe ntchito m'malo osiyanasiyana a nyengo. Ndi yokhazikika pa mankhwala pansi pa mikhalidwe yogwiritsidwa ntchito ndipo imakhala yolimba kwambiri pa kutentha komanso yolimba thukuta kwambiri. BAAPE imagwirizana bwino ndi zodzoladzola ndi mankhwala omwe amagwiritsidwa ntchito nthawi zambiri. Itha kupangidwa kukhala mayankho, ma emulsions, mafuta odzola, zokutira, ma gels, ma aerosols, ma coil a udzudzu, ma microcapsules ndi mankhwala ena apadera ophera tizilombo, ndipo imathanso kuwonjezeredwa kuzinthu zina. Kapena muzinthu zina (monga madzi a chimbudzi, madzi ophera udzudzu), kotero kuti imakhala ndi mphamvu yophera tizilombo.
BAAPE ili ndi ubwino wosakhala ndi zotsatirapo zoyipa pakhungu ndi mucous membranes, palibe ziwengo, komanso palibe kulowa kwa khungu.
Kapangidwe kake: Madzi owoneka bwino opanda utoto kapena achikasu owala, ndi mankhwala abwino kwambiri ophera udzudzu. Poyerekeza ndi mankhwala ophera udzudzu wamba (DEET, omwe amadziwika kuti DEET), ali ndi mawonekedwe odziwika bwino a poizoni wochepa, kukwiya pang'ono, komanso nthawi yayitali yophera udzudzu. , chinthu choyenera cholowa m'malo mwa mankhwala ophera udzudzu wamba.
Mankhwala oletsa udzudzu osungunuka m'madzi (BAAPE) sagwira ntchito bwino poyerekeza ndi mankhwala achikhalidwe a DEET pothamangitsa udzudzu. Komabe, poyerekeza, DEET (IR3535) siimayambitsa chisokonezo ndipo siilowa pakhungu.
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2-Methoxyethanol CAS 109-86-4
Ethylene glycol monomethyl ether (yofupikitsidwa kuti MOE), yomwe imadziwikanso kuti ethylene glycol methyl ether, ndi madzi opanda mtundu komanso owonekera bwino, osakanikirana ndi madzi, mowa, acetic acid, acetone ndi DMF. Monga chosungunulira chofunikira, MOE imagwiritsidwa ntchito kwambiri ngati chosungunulira mafuta osiyanasiyana, ma cellulose acetate, ma cellulose nitrates, utoto wosungunuka ndi mowa ndi ma resins opangidwa.
Imapezeka ndi kuyanjana kwa ethylene oxide ndi methanol. Onjezani methanol ku boron trifluoride ether complex, ndikulowetsa ethylene oxide pa 25-30°C mukusakaniza. Pambuyo podutsa, kutentha kumakwera mpaka 38-45°C. Yankho lotsatira limachiritsidwa ndi potassium hydrocyanide- Sinthani yankho la methanol kukhala pH=8-Chemicalbook9. Bwezerani methanol, isungunuleni, ndikusonkhanitsa magawo asanafike 130°C kuti mupeze chinthu chosaphikidwa. Kenako chitani distillation ya magawo, ndikusonkhanitsa gawo la 123-125°C ngati chinthu chomalizidwa. Pakupanga mafakitale, ethylene oxide ndi anhydrous methanol zimayankhidwa pa kutentha kwakukulu komanso kupanikizika popanda chothandizira, ndipo chinthu chokolola chambiri chingapezeke。
Chogulitsachi chimagwiritsidwa ntchito ngati chosungunulira mafuta osiyanasiyana, lignin, nitrocellulose, cellulose acetate, utoto wosungunuka ndi mowa ndi ma resins opangidwa; monga chothandizira kudziwa chitsulo, sulfate ndi carbon disulfide, ngati chosungunulira zokutira, komanso cellophane. Mu zotsekera zopaka, ma varnish ouma mwachangu ndi enamel. Chingagwiritsidwenso ntchito ngati cholowetsa ndi choyezera mumakampani opanga utoto, kapena ngati pulasitiki ndi chowunikira. Monga chothandizira pakupanga mankhwala achilengedwe, ethylene glycol monomethyl ether imagwiritsidwa ntchito kwambiri popanga acetate ndi ethylene glycol dimethyl ether. Ndi chinthu cha Chemicalbook chopangira bis(2-methoxyethyl)phthalate plasticizer. Kusakaniza kwa ethylene glycol monomethyl ether ndi glycerin (ether: glycerin = 98:2) ndi chowonjezera cha mafuta ankhondo chomwe chingalepheretse icing ndi dzimbiri la bakiteriya. Pamene ethylene glycol monomethyl ether imagwiritsidwa ntchito ngati choletsa kukula kwa mafuta a jet, kuchuluka kwa zowonjezera ndi 0.15% ± 0.05%. Ili ndi hydrophilicity yabwino. Imagwiritsa ntchito gulu lake la hydroxyl mu mafuta kuti igwirizane ndi kuchuluka kwa mamolekyu amadzi mu mafuta. Kupangidwa kwa mgwirizano wa hydrogen bond, pamodzi ndi malo ake otsika kwambiri oundana, kumachepetsa malo oundana a madzi mu mafuta, zomwe zimapangitsa kuti madziwo alowe mu ayezi. Ethylene glycol monomethyl ether ndi chowonjezera chotsutsana ndi tizilombo toyambitsa matenda.
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1,4-Butanediol diglycidyl ether CAS 2425-79-8
1,4-Butanediol glycidyl ether, yomwe imadziwikanso kuti 1,4-butanediol dialkyl ether kapena BDG, ndi mankhwala achilengedwe. Ndi madzi opanda mtundu kapena achikasu owala komanso osasinthasintha kwambiri. Amasungunuka m'zinthu zambiri zachilengedwe monga ethanol, methanol ndi dimethylformamide. Amagwiritsidwa ntchito kwambiri ngati zinthu zopangira mankhwala ndi zosungunulira. Amagwiritsidwanso ntchito ngati chokhazikika cha utoto ndi utoto.
1,4-Butanediol glycidyl ether imatha kupangidwa pogwiritsa ntchito esterification ya 1,4-butanediol ndi yankho la methanol kapena methanol. Nthawi zambiri zimachitika pansi pa kupanikizika kwakukulu komanso pamaso pa chothandizira.
Mukamagwiritsa ntchito 1,4-butanediol glycidyl ether, muyenera kusamala kuti musakhudze khungu ndi maso. Mukamagwiritsa ntchito ndi kusunga, kutentha kwambiri ndi magwero a moto ziyenera kupewedwa. Samalani kwambiri potseka ziwiya zosungiramo zinthu kuti mupewe kuuma ndi kutuluka kwa madzi. -
Diethanolamine CAS: 111-42-2
Ethanolamine EA ndiye chinthu chofunikira kwambiri mu ethanol, kuphatikiza monoethanolamine MEA, diethanolamine DEA ndi triethanolamine TEA. Ethanolamine ndi chinthu chofunikira kwambiri cha organic, chomwe chimagwiritsidwa ntchito kwambiri mu ma surfactants, zotsukira zopangira, zowonjezera za petrochemical, utomoni wopangidwa ndi rabara ndi pulasitiki, zofulumizitsa, zotulutsa mpweya ndi zotulutsa thovu, komanso kuyeretsa mpweya, mankhwala oletsa kuzizira, kusindikiza ndi kupaka utoto, mankhwala, mankhwala ophera tizilombo, zomangamanga, mafakitale ankhondo ndi madera ena. Zinthu zomwe zili pansi pa ethanolamine ndi zinthu zofunika kwambiri zapakati pa mankhwala.
Diethanolamine, yomwe imadziwikanso kuti bishydroxyethylamine ndi 2,2′-iminobisethanol, ndi madzi oyera a kristalo kapena opanda mtundu omwe ali ndi hygroscopicity yamphamvu. Amasungunuka mosavuta m'madzi, methanol, ethanol, acetone ndi benzene. Kusungunuka kwake (g/100g) mu benzene pa 25°C ndi 4.2 ndipo mu ether ndi 0.8. Cholinga chake ndi: chotsukira mpweya, chomwe chimatha kuyamwa mpweya wa Chemicalbook acidic mu mpweya, monga carbon dioxide, hydrogen sulfide, sulfure dioxide, ndi zina zotero. Yankho la "Benfield" lomwe limagwiritsidwa ntchito mumakampani opanga ammonia limapangidwa makamaka ndi mankhwalawa; limagwiritsidwanso ntchito popangira emulsification. Zinthu monga mafuta, ma shampoo, ma thickeners, ndi zina zotero; zinthu zosakaniza zachilengedwe, zomwe zimagwiritsidwa ntchito popanga zinthu zopangira sopo, zosungira ndi mankhwala a tsiku ndi tsiku (monga ma surfactants); kupanga morpholine.
Diethanolamine imagwiritsidwa ntchito ngati zinthu zopangira zinthu zosungiramo zinthu m'makampani opanga mankhwala. Imagwiritsidwa ntchito ngati chinthu cholumikizirana popanga thovu la polyurethane lolimba kwambiri. Imasakanizidwa ndi triethanolamine ngati sopo wa ma piston a injini ya ndege. Imayanjana ndi mafuta acids kupanga ma alkyl alkyl. Imagwiritsidwanso ntchito mu zinthu zopangira zachilengedwe, zinthu zopangira ma surfactants Chemicalbook ndi acid gas absorbers, yomwe imagwiritsidwa ntchito ngati zothina ndi zosinthira thovu m'ma shampu ndi sopo wopepuka, ngati zinthu zosinthira pakati pa makampani opanga zinthu zachilengedwe, komanso m'makampani opanga mankhwala. Monga chosungunulira, imagwiritsidwa ntchito kwambiri m'makampani ochapira, makampani odzola, ulimi, makampani omanga ndi mafakitale achitsulo.
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2-Acrylamide-2-methylpropanesulfonic acid CAS 15214-89-8
2-Acrylamide-2-methylpropanesulfonic acid (AMPS) ndi vinyl monomer yokhala ndi gulu la sulfonic acid. Ili ndi kutentha kokhazikika bwino, kutentha kwake kumafika 210°C, ndipo sodium salt homopolymer yake imakhala ndi kutentha kotsika mpaka 329°C. Mu yankho lamadzi, kuchuluka kwa hydrolysis kumakhala pang'onopang'ono, ndipo sodium salt solution imakhala ndi kukana kwabwino kwa hydrolysis pansi pa pH yayikulu. Pansi pa acidity, kukana kwa hydrolysis kwa copolymer yake kumakhala kwakukulu kwambiri kuposa kwa polyacrylamide. Monomer imatha kupangidwa kukhala makhiristo kapena kukhala yankho lamadzi la sodium salt. 2-Acrylamide-2-methylpropanesulfonic acid ili ndi mphamvu zabwino zophatikizana, mphamvu zotsamira, ntchito yachilengedwe, ntchito ya pamwamba, kukhazikika kwa hydrolysis ndi kukhazikika kwa kutentha.
Kagwiritsidwe Ntchito
1. Kusamalira madzi: Homopolymer ya AMPS monomer kapena copolymer yokhala ndi acrylamide, acrylic acid ndi ma monomers ena ingagwiritsidwe ntchito ngati chotsukira madzi mu njira yoyeretsera zinyalala, ndipo ingagwiritsidwe ntchito ngati chitsulo, zinc, aluminiyamu, ndi mkuwa m'machitidwe otsekedwa oyendera madzi. Kuphatikiza pa zoletsa dzimbiri za alloys; ingagwiritsidwenso ntchito ngati zotsukira ndi zoletsa kukula kwa zotenthetsera, nsanja zoziziritsira, zotsukira mpweya ndi zotsukira gasi.
2. Kemistri ya Mafuta: Kugwiritsa ntchito zinthu m'munda wa kemistri ya mafuta kukukula mofulumira. Kufunika kwake kumaphatikizapo kusakaniza simenti ya chitsime cha mafuta, zinthu zobowola madzi, madzi opangitsa asidi, madzi osweka, madzi omalizidwa ndi zowonjezera zamadzimadzi, ndi zina zotero.
3. Ulusi Wopangidwa: AMPS ndi monomer yofunika kwambiri yomwe imawongolera mawonekedwe a ulusi wina wopangidwa, makamaka ulusi wa acrylic kapena acrylic. Mlingo wake ndi 1% -4% ya ulusi, zomwe zingathandize kwambiri kuyera ndi utoto wa ulusi. , antistatic, breathable komanso lawi loletsa.
4. Kukula kwa nsalu: Copolymer ya 2-acrylamido-2-methylpropanesulfonic acid, ethyl acetate, ndi acrylic acid. Ndi chinthu chabwino kwambiri chopangira kukula kwa nsalu zosakanikirana ndi thonje ndi polyester. N'zosavuta kugwiritsa ntchito komanso zosavuta kuchotsa ndi madzi. Zinthu zake ndi monga:
5. Kupanga Mapepala: Copolymer ya 2-acrylamide-2-methylpropanesulfonic acid ndi ma monomers ena osungunuka m'madzi ndi mankhwala ofunikira kwambiri pa mafakitale osiyanasiyana a mapepala. Ingagwiritsidwe ntchito ngati chothandizira kutulutsa madzi, chothandizira kukula, komanso chowonjezera mphamvu ya pepala komanso chimagwiranso ntchito ngati chosungunulira utoto wa utoto.
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(2-CARBOXYETHYL)DIMETHYLSULFONIUM CHLORIDE CAS: 4337-33-1
DMPT ndi chida chokopa chakudya cha m'madzi chogwira mtima kwambiri chomwe chapezeka m'badwo wachinayi. Anthu ena amagwiritsa ntchito mawu oti "miyala yoluma nsomba" pofotokoza momveka bwino momwe imakokera chakudya - ngakhale itajambulidwa pamwala, nsomba imaluma. Mwala. Kugwiritsa ntchito kwambiri DMPT ndi ngati nyambo yosodza kuti nyamboyo ikhale yokongola komanso kuti nsomba zizitha kuluma mbedza mosavuta. Kugwiritsa ntchito DMPT m'mafakitale ndi chakudya chobiriwira cha m'madzi kuti chilimbikitse kudya nyama zam'madzi ndikuwonjezera kukula kwawo.
Dimethyl-beta-propionate thiatin yoyambirira ndi mankhwala achilengedwe ochokera ku nyanja yamchere. Ndipotu, njira yopezera dimethyl-beta-propionate thiatin inayambanso kuchokera ku nyanja yamchere: asayansi adawona kuti nsomba za m'madzi a m'nyanja ndimakonda kudya nyanja yamchere, choncho ndinayamba kuphunzira zinthu zomwe zimakopa chakudya mu nyanja yamchere. Pambuyo pake ndinapeza kuti chifukwa chomwe nsomba zimakondera kudya nyanja yamchere ndichakuti nyanja yamchere ili ndi DMPT yachilengedwe.
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N,N-Diethylhydroxylamine CAS:3710-84-7
N,N-Diethylhydroxylamine CAS:3710-84-7
katundu wa mankhwala
Madzi owoneka bwino opanda mtundu. Amanunkhira ngati ammonia. Amasungunuka mosavuta m'madzi, amasungunuka mu ethanol, ether, chloroform, ndi benzene.
Imagwiritsidwa ntchito ngati choletsa polymerization cha olefin, choletsa polymerization cha terminal, komanso ngati vinyl monomer popanga rabara yopangidwa. Monga antioxidant ndi stabilizer, ingagwiritsidwe ntchito kwambiri mu ma resins okonda kuwala, ma emulsion okonda kuwala, latex yopangidwa, ndi zina zotero. Ingagwiritsidwenso ntchito ngati choletsa polymerization ya emulsion, choletsa smog ya photochemical, ndi zina zotero. Sulfate iyi ndi wothandizira kulinganiza ma toni pakupanga mtundu.
Kulongedza, kusungira ndi kunyamula
Yopakidwa m'migolo yapulasitiki kapena migolo ya resin. Chogulitsachi chiyenera kusungidwa chotsekedwa m'nyumba yosungiramo zinthu yozizira komanso youma komanso chotetezedwa ku moto. -
Dipropylamine CAS No.:142-84-7
Dipropylamine, yomwe imadziwikanso kuti di-n-propylamine, ndi madzi owononga omwe amatha kuyaka komanso oopsa kwambiri omwe amapezeka m'masamba a fodya komanso zinyalala zamafakitale zomwe zimatulutsidwa mwadala.
Di-n-propylamine ndi madzi opanda mtundu komanso owonekera. Pali fungo la ammonia. Limatha kupanga ma hydrate. Limasungunuka mosavuta m'madzi, ethanol ndi ether. Limapanga ma hydrate ndi madzi. Kuchulukana 0.738, malo osungunuka -63℃, malo owira 110℃, malo owunikira 17℃, chizindikiro chowongolera 1.40445。
Di-n-propylamine ingagwiritsidwe ntchito ngati chosungunulira komanso chothandizira popanga mankhwala, mankhwala ophera tizilombo, utoto, zinthu zodulira mchere, ma emulsifiers ndi mankhwala abwino. Njira yokonzekera ndikugwiritsa ntchito propanol ngati zinthu zopangira, ndikuipeza kudzera mu catalytic dehydrogenation, ammoniation, dehydration ndi hydrogenation. Chothandizira kuchitapo kanthu ndi Ni-Cu-Al2O3, kuthamanga ndi (39±1)kPa, kutentha kwa reactor ndi (Chemicalbook190±10)℃, liwiro la malo la propanol ndi 0.05~0.15h-1, ndipo chiŵerengero cha zinthu zopangira ndi propanol:ammonia ∶Hydrogen = 4:2:4, dipropylamine ndi tripropylamine zimapezeka nthawi imodzi, ndipo dipropylamine ingapezeke mwa kugawa. -
Diethylenetriamine pentaacetic acid CAS: 67-43-6
Diethylenetriamine pentaacetic acid CAS: 67-43-6
Diethylenetriaminepentacetic acid (DTPA), yomwe imatchedwanso diethylenetriaminepentacetic acid, ndi mankhwala abwino kwambiri a aminocarboxylic complexing omwe ali ndi mphamvu zamphamvu zoyezera. Chomera chomwe chimapanga ndi ma cations ambiri ndi chabwino kuposa cha ethylenediaminetetraacetic acid. Chelate yofanana nayo iyenera kukhala yokhazikika.
Monga chothandizira kwambiri pa chelating, diethylene triamine pentaacetic acid ingagwiritsidwe ntchito poletsa mitundu popanga ulusi wa acrylic, makampani opanga mapepala, zofewetsa madzi, zothandizira nsalu, zotengera chelating, kujambula mitundu ndi mafakitale azakudya. Imagwiritsidwanso ntchito muzinthu zamankhwala, zachilengedwe zosowa. Imagwiritsidwanso ntchito kwambiri popanga zinthu zosiyanasiyana komanso ulimi.
Chogulitsachi ndi ufa woyera wa kristalo kapena kristalo. Malo osungunuka 230 ℃ (kuwola), amasungunuka m'madzi otentha ndi yankho la alkali, amasungunuka pang'ono m'madzi ozizira, osasungunuka m'zinthu zachilengedwe monga ma ether a mowa. -
DIALLL ISOPHTHALATE CAS: 1087-21-4
DALLYL ISOPHTHALATE CAS: 1087-21-4，Amadziwikanso kuti reagent ya level four. Ndi ya mankhwala a propyl ester.
Ma polima a Diallyl isophthalate amafanana kwambiri pokonzekera, makhalidwe ndi ntchito ndi ma polima a diallyl isophthalate omwe afotokozedwa pamwambapa. Ma molding opangidwa ndi diallyl isophthalate ndi okwera mtengo koma amapereka kukhazikika kwa kutentha (amatha kupirira kutentha mpaka pafupifupi 220°C kwa nthawi yayitali) komanso kukana zinthu zachilengedwe.
Ndi madzi achikasu pang'ono amafuta. Onunkhira pang'ono. Amasakanikirana ndi ethanol, osasungunuka m'madzi.
Amagwiritsidwa ntchito makamaka pa kafukufuku wa biochemical. Organic synthesis. Kukonzekera utomoni wotentha kwambiri. -
N,N-Bis(2-cyanoethyl)aniline CAS: 1555-66-4
N,N-Bis(2-cyanoethyl)aniline CAS: 1555-66-4
Ufa woyera wa krustalo. Umasungunuka mosavuta mu zosungunulira zachilengedwe, umasungunuka ma asidi ndi kusungunuka alkali, koma susungunuka m'madzi. Umagwiritsidwa ntchito ngati utoto wapakati.
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N,N-Dimethylbenzylamine CAS: 103-83-3
N,N-Dimethylbenzylamine CAS: 103-83-3
N,N-dimethylbenzylamine nthawi zambiri imagwiritsidwa ntchito ngati reagent mu organic synthesis komanso ngati chothandizira kupanga thovu la polyurethane ndi epoxy resin. Imayanjana ndi Os3(CO) kuti ipange gulu la triosmium.
N,N dimethylbenzylamine mu methanol-tetra-N-butyl ammonium fluoroborate ndi methanol-potassium hydroxide. Amagwiritsidwa ntchito popanga bis[(N,N-dimethylamino)benzyl]selenoether. Ingagwiritsidwenso ntchito ngati organic synthesis intermediate, dehydrogenation catalyst, preservative, acid neutralizer, ndi zina zotero.
Ndi madzi oyaka opanda mtundu kapena wachikasu wopepuka. Amanunkhiza ngati ammonia. Amasungunuka mosavuta mu ethanol ndi ether, samasungunuka kwambiri m'madzi.
