-
2-Acrylamide-2-methylpropanesulfonic acid CAS 15214-89-8
2-Acrylamide-2-methylpropanesulfonic acid (AMPS) shine monomer na vinyl tare da rukuni na sulfonic acid. Yana da kwanciyar hankali mai kyau na thermal, tare da zafin bazuwar har zuwa 210 ° C, kuma sodium homopolymer gishirinsa yana da zafin bazuwa har zuwa 329 ° C. A cikin maganin ruwa mai ruwa, ƙimar hydrolysis yana jinkirin, kuma sodium gishiri bayani yana da kyakkyawan juriya na hydrolysis a ƙarƙashin yanayin pH mai girma. A karkashin yanayin acidic, juriya na hydrolysis na copolymer ya fi na polyacrylamide yawa. Ana iya yin monomer ya zama lu'ulu'u ko a cikin wani bayani mai ruwa na sodium gishiri. 2-Acrylamide-2-methylpropanesulfonic acid yana da kyawawan kaddarorin hadaddun abubuwa, kaddarorin adsorption, ayyukan nazarin halittu, aikin farfajiya, kwanciyar hankali na hydrolysis da kwanciyar hankali na thermal.
Amfani
1. Ruwa magani: The homopolymer na AMPS monomer ko copolymer tare da acrylamide, acrylic acid da sauran monomers za a iya amfani da a matsayin sludge dehydrating wakili a cikin najasa tsarkakewa tsari, kuma za a iya amfani da baƙin ƙarfe, zinc, aluminum, da kuma jan karfe a rufaffiyar ruwa. tsarin wurare dabam dabam. Kazalika masu hana lalata ga gami; Hakanan za'a iya amfani da shi azaman abubuwan cirewa da kuma hana lalata don dumama, hasumiya mai sanyaya, tsabtace iska da masu tsabtace iskar gas.
2. Chemistry of Oilfield: Aikace-aikacen samfuran a fagen ilimin kimiyyar mai yana haɓaka cikin sauri. Iyalin sa hannu ya haɗa da haɗaɗɗen siminti rijiyar mai, ma'aikatan jiyya na hakowa, ruwan acidizing, ruwan da ke karyewa, ruwan gamawa da abubuwan ƙara ruwa mai aiki, da sauransu.
3. Sinthetic fibers: AMPS wani muhimmin monomer ne wanda ke inganta cikakkun kaddarorin wasu zaruruwan roba, musamman acrylic ko acrylic fibers. Matsakaicin sa shine 1% -4% na fiber, wanda zai iya inganta haɓakar fari da rini na fiber. , antistatic, breathable da harshen retardant.
4. Girma don kayan ado: Copolymer na 2-acrylamido-2-methylpropanesulfonic acid, ethyl acetate, da acrylic acid. Yana da madaidaicin ma'auni don auduga da polyester gauraye yadudduka. Yana da sauƙin amfani da sauƙin cirewa da ruwa. Siffofin.
5. Takarda: The copolymer na 2-acrylamide-2-methylpropanesulfonic acid da sauran ruwa-soluble monomers ne makawa sinadari ga daban-daban takarda niƙa. Ana iya amfani dashi azaman taimakon magudanar ruwa, wakili mai ƙima, kuma yana ƙara ƙarfin takarda kuma yana aiki azaman mai rarraba pigment don suturar launi.
-
(2-CARBOXYETHYL)DIMETHYLSULFONIUM CHLORIDE CAS: 4337-33-1
DMPT shine mafi inganci mai jan hankali na ruwa na ƙarni na huɗu wanda aka gano ya zuwa yanzu. Wasu mutane suna amfani da kalmar "kifi ya ciji duwatsu" don bayyana a sarari tasirinsa na jan hankali abinci - ko da an zana shi a kan dutse, kifi zai ciji shi. Dutse. Mafi yawan amfani da DMPT shine kamar kamun kifi don inganta sha'awar koto da sauƙaƙa wa kifin ya ciji ƙugiya. Amfani da masana'antu na DMPT azaman ƙari ne na kayan abinci na ruwa don haɓaka ciyar da dabbobin ruwa da haɓaka ƙimar haɓakarsu.
Farkon dimethyl-beta-propionate thiatin wani tsaftataccen fili ne na halitta wanda aka ciro daga ciyawa. A gaskiya ma, tsarin gano dimethyl-beta-propionate thiatin shima ya fara ne daga ciyawa: masana kimiyya sun lura cewa kifin ruwan teku ina son cin ciyawa, don haka na fara nazarin abubuwan da ke jawo abinci a cikin ciyawa. Daga baya na gano cewa dalilin da ya sa kifaye ke son cin ciyawar ruwa shi ne, ruwan teku yana dauke da DMPT na halitta.
-
N,N-Diethylhydroxylamine CAS:3710-84-7
N,N-Diethylhydroxylamine CAS:3710-84-7
sinadaran Properties
Ruwa mai haske mara launi. Yana wari kamar ammonia. Sauƙi mai narkewa cikin ruwa, mai narkewa a cikin ethanol, ether, chloroform, benzene.
Ana amfani da shi azaman mai hana polymerization olefin, mai hana polymerization na ƙarshe, kuma azaman vinyl monomer a cikin tsarin samar da roba na roba. Kamar yadda wani antioxidant da stabilizer, shi za a iya yadu amfani da photosensitive resins, photosensitive emulsions, roba latex, da dai sauransu Har ila yau, za a iya amfani da a matsayin terminator ga emulsion polymerization, photochemical smog inhibitor, da dai sauransu Wannan sulfate ne mai sautin daidaitawa wakili ga launi. ci gaba.
Marufi, ajiya da sufuri
Kunshe a cikin ganga na lilin filastik ko ganga na guduro. Wannan samfurin ya kamata a adana shi a cikin wani wuri mai sanyi, busasshiyar ajiya kuma a kiyaye shi daga wuta. -
Dipropylamine CAS Lamba: 142-84-7
Dipropylamine, wanda kuma aka sani da di-n-propylamine, wani ruwa ne mai ƙonewa, mai guba mai guba wanda ke wanzuwa a cikin yanayi a cikin ganyen taba da sharar masana'antu ta wucin gadi.
Di-n-propylamine ruwa ne mara launi kuma bayyananne. Akwai warin ammonia. Za a iya samar da hydrates. Sauƙi mai narkewa a cikin ruwa, ethanol da ether. Forms hydrate da ruwa. Density 0.738, wurin narkewa -63 ℃, wurin tafasa 110 ℃, ma'aunin walƙiya 17 ℃, index refractive 1.40445.
Di-n-propylamine za a iya amfani da a matsayin sauran ƙarfi da kuma tsaka-tsaki a samar da Pharmaceuticals, magungunan kashe qwari, dyes, ma'adinai flotation jamiái, emulsifiers da lafiya sinadarai. Hanyar shirye-shiryen ita ce amfani da propanol azaman albarkatun ƙasa, kuma samun ta ta hanyar dehydrogenation catalytic, ammonium, bushewa da hydrogenation. A dauki mai kara kuzari ne Ni-Cu-Al2O3, da matsa lamba ne (39 ± 1) kPa, da reactor zafin jiki ne (Chemicalbook190 ± 10) ℃, da sarari gudun propanol ne 0.05 ~ 0.15h-1, da kuma albarkatun kasa rabo ne. propanol: ammonia ∶Hydrogen = 4: 2: 4, dipropylamine da tritropylamine ana samun su a lokaci guda, kuma ana iya samun dipropylamine ta hanyar raguwa. -
Diethylenetriaminepentaacetic acid CAS: 67-43-6
Diethylenetriaminepentaacetic acid CAS: 67-43-6
Diethylenetriaminepentacetic acid (DTPA), wanda kuma ake kira diethylenetriaminepentacetic acid, kyakkyawan wakili ne na hadadden aminocarboxylic tare da kaddarorin chelating mai karfi. Rukunin da yake samarwa tare da yawancin cations ya fi na ethylenediaminetetraacetic acid. Madaidaicin chelate yakamata ya kasance karko.
A matsayin wakili mai inganci mai inganci, diethylene triamine pentaacetic acid za a iya amfani dashi a cikin masu hana launi a cikin samar da fiber na acrylic, masana'antar takarda, masu laushin ruwa, matattarar kayan masarufi, titrants na chelating, daukar hoto mai launi da masana'antar abinci. Ana kuma amfani da shi a likitanci, abubuwan da ba kasafai ake samun su ba Har ila yau ana amfani da shi sosai wajen rabuwa da noma.
Wannan samfurin farin crystal ne ko lu'ulu'u. Matsayin narkewa 230 ℃ (bazuwar), mai narkewa a cikin ruwan zafi da maganin alkali, mai narkewa a cikin ruwan sanyi, wanda ba zai iya narkewa a cikin kaushi mai ƙarfi kamar ethers barasa. -
DIALLYL ISOPHTHALATE CAS: 1087-21-4
DIALLYL ISOPHTHALATE CAS: 1087-21-4
Diallyl isophthalate polymers sun yi kama sosai a cikin shirye-shirye, kaddarorin da aikace-aikace zuwa polymers isophthalate na diallyl da aka kwatanta a sama. Samfuran da aka dogara akan diallyl isophthalate sun fi tsada amma suna ba da ingantaccen kwanciyar hankali (zai iya jure yanayin zafi har zuwa kusan 220 ° C na dogon lokaci) da juriya ga kaushi.
Ruwa ne mai launin rawaya mai haske. Dan kamshi. Miscible tare da ethanol, insoluble a cikin ruwa.
An fi amfani dashi don bincike na biochemical. Tsarin Halitta. Shiri na babban zazzabi guduro. -
N, N-Bis (2-cyanoethyl) aniline CAS: 1555-66-4
N, N-Bis (2-cyanoethyl) aniline CAS: 1555-66-4
Farin lu'u-lu'u. Sauƙi mai narkewa a cikin kaushi na halitta, tsarma acid da diluted alkali, amma insoluble a cikin ruwa. Ana amfani dashi azaman tsaka-tsakin rini.
-
N, N-Dimethylbenzylamine CAS: 103-83-3
N, N-Dimethylbenzylamine CAS: 103-83-3
N, N-dimethylbenzylamine ne sau da yawa amfani da matsayin reagent a Organic kira kuma a matsayin mai kara kuzari ga kira na polyurethane kumfa da epoxy guduro. Yana amsawa tare da Os3(CO) don samar da gungu na triosmium.
N, N dimethylbenzylamine a cikin methanol-tetra-N-butyl ammonium fluoroborate da methanol-potassium hydroxide. Ana amfani da shi a cikin haɗin bis [(N, N-dimethylamino) benzyl] selenoether. Hakanan za'a iya amfani dashi azaman tsaka-tsakin haɗaɗɗun kwayoyin halitta, mai kara kuzari na dehydrogenation, mai kiyayewa, neutralizer acid, da sauransu.
Ba shi da launi zuwa haske ruwan rawaya mai flammable. Yana wari kamar ammonia. Sauƙi mai narkewa a cikin ethanol da ether, da wuya mai narkewa cikin ruwa.
-
4-Methyldiphenylamine CAS: 620-84-8
4-Methyldiphenylamine CAS: 620-84-8
Organic albarkatun kasa: cycloalkylamines, aromatic monoamines, aromatic polyamines da abubuwan da suka samo asali da kuma salts.Pearance ne farin crystal.Yafi amfani ga Organic kira tsaka-tsaki, kira na Organic aiki kayan da magunguna, kazalika da photochemistry da ruwa crystal matsakaici. Mara narkewa a cikin ruwa. Mai narkewa a cikin benzene, toluene, methanol, ethanol. don yanayin ajiya, Ajiye a cikin duhu wuri, Rufe cikin bushe, Zazzabi daki.
-
N, N-Dimethylacetamide CAS: 127-19-5
N, N-Dimethylacetamide CAS: 127-19-5
Abubuwan sinadarai: Abubuwan sinadarai suna kama da N, N-dimethylformamide, kuma wakili ne na amide. Idan babu acid ko alkali, ba zai bazu ba lokacin da aka yi zafi zuwa tafasa a ƙarƙashin matsi na al'ada, don haka ana iya distilled a ƙarƙashin matsa lamba na al'ada. Yawan hydrolysis yana da hankali sosai. Lokacin da N, N-dimethylacetamide dauke da 5% ruwa yana mai tsanani a 95 ° C na 140 hours, kawai 0.02% ne hydrolyzed. Koyaya, a gaban acid da alkali, ƙimar hydrolysis yana ƙaruwa. Saponification yana faruwa a lokacin da aka yi zafi a gaban alkali mai karfi.
aikace-aikace
1. Pharmaceutical matsakaici dimethylacetamide ne mai muhimmanci Pharmaceutical albarkatun kasa da ake amfani da ko'ina a cikin samar da amoxicillin, cephalosporins da sauran kwayoyi. A matsayin mai ƙarfi ko cocatalyst, dimethylacetamide na iya inganta ingancin samfur da yawan amfanin ƙasa idan aka kwatanta da kaushi na gargajiya na gargajiya. A cikin 2000, buƙatar dimethylacetamide a cikin masana'antar harhada magunguna kusan 6kt. Bukatar dimethylacetamide a cikin 2006 shine kusan 9.6kt. 2. Acrylic fiber samar A cikin samar da acrylic fiber, wasu suna amfani da hanyar dimethylacetamide. A halin yanzu, cikin gida acrylic fiber samar da Chemicalbook yafi hada sodium thiocyanate hanya biyu mataki, dimethylformamide mataki daya hanya da dimethylacetamide Organic rigar Hanyar bisa ga kaushi. Daga hangen nesa na tsari da halayen kayan aiki, amfani da kayan aiki, tasirin muhalli, ingancin samfurin, Yawancin abubuwa kamar aikin bayan-aiki, ƙimar gida da kuma ci gaban ci gaban kasashen waje sun kara yawan bincike na aikace-aikace da kokarin ingantawa. An yi amfani da Dimethylacetamide azaman cikakkiyar kwatance. Sodium thiocyanate Hanyar mataki biyu da dimethylacetamide kwayoyin rigar hanyar da aka yi amfani. Mafi kyawun ci gaba. A halin yanzu, da yawa acrylic fiber shigarwa a kasar Sin amfani da rigar matakai ta yin amfani da dimethylacetamide a matsayin sauran ƙarfi. -
Allyl barasa CAS: 107-18-6
Allyl barasa CAS: 107-18-6
yanayi
Ruwa mara launi tare da ƙamshin mustard. Dangantaka yawa o. 8520. Daskarewa batu -129 ℃. Tushen tafasa 96.9 ℃. Matsakaicin zafin jiki shine 271.9 ℃. Wurin walƙiya (kofin rufe) 22.2 ℃. Ya zama vitreous a -190 ℃. Refractive index 1. 4132. Miscible tare da ruwa, ether, ethanol, chloroform da man fetur ether.
amfani
Yana da tsaka-tsaki don samar da glycerin, magunguna, magungunan kashe qwari, kayan yaji da kayan shafawa, kuma shi ne danyen kayan aiki don samar da resin diallyl phthalate da bis (2,3-bromopropyl) fumarate. Abubuwan Silane na allyl barasa da copolymers tare da styrene ana amfani dasu sosai a cikin sutura da gilashi.
fiber masana'antu. Allyl urethane za a iya amfani da a photosensitive polyurethane coatings da simintin gyaran kafa masana'antu.
aminci
Yana da wari na musamman kuma yana iya dagula idanu, fata, makogwaro, da maƙarƙashiya. A lokuta masu tsanani, yana iya haifar da makanta. Manne da fata na iya sa ta ta yi ja kuma ta haifar da konewa, kuma tana saurin shiga cikin fata, yana haifar da ciwon hanta, nephritis, hematuria da sauran alamomi. Daya daga cikin barasa masu guba, LD50 na baka a cikin berayen shine 64rng/kg. Dog na baka LD50 40mg/kg. Matsakaicin adadin da aka yarda da shi a cikin iska a wurin samarwa shine 5rng/m3. A wannan maida hankali, haushi yana da ƙarfi sosai kuma ba za a iya jurewa na dogon lokaci ba. Idan ya fantsama a fata, a wanke da ruwa sannan a shafa maganin mai. Saka kayan kariya lokacin aiki. -
Dicyclohexylamine CAS: 101-83-7
Dicyclohexylamine CAS: 101-83-7
Dicyclohexylamine an shirya shi ta hanyar amfani da aniline a matsayin albarkatun kasa da hydrogenating shi a babban zafin jiki da matsa lamba a gaban mai kara kuzari.
An yadu amfani da matsayin tsaka-tsaki a cikin kwayoyin kira da kuma za a iya amfani da su shirya rini tsaka-tsaki, roba accelerators, nitrocellulose Paints, kwari, catalysts, preservatives, gas lokaci lalata inhibitors da man fetur antioxidant sinadaran littafin Additives, da dai sauransu Har ila yau, amfani da matsayin hakar wakili. . Gishirin fatty acid da sulfates na dicyclohexylamine suna da abubuwan cire tabo na sabulu kuma ana amfani da su a cikin bugu, rini da masana'antar yadi. Akan yi amfani da rukunin ƙarfensa a matsayin abubuwan da za su iya haifar da tawada da fenti.
Ruwa mai mai marar launi da bayyananne tare da ƙamshin ammonia mai ƙamshi. Dan kadan mai narkewa a cikin ruwa, mai ɓata tare da kaushi na halitta.
