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2-Acrylamide-2-methylpropanesulfonic acid CAS 15214-89-8
2-Acrylamide-2-methylpropanesulfonic acid (AMPS) yog ib qho vinyl monomer nrog ib pawg sulfonic acid. Nws muaj kev ruaj khov zoo thermal, nrog rau qhov kub thiab txias decomposition txog li 210 ° C, thiab nws cov sodium ntsev homopolymer muaj qhov kub thiab txias decomposition txog li 329 ° C. Hauv cov kua dej, qhov hydrolysis qeeb, thiab cov kua ntsev sodium muaj kev tiv thaiv hydrolysis zoo heev nyob rau hauv cov xwm txheej pH siab. Nyob rau hauv cov xwm txheej acidic, qhov hydrolysis tsis kam ntawm nws cov copolymer yog siab dua li ntawm polyacrylamide. Lub monomer tuaj yeem ua rau hauv cov siv lead ua los yog rau hauv cov kua dej ntawm sodium ntsev. 2-Acrylamide-2-methylpropanesulfonic acid muaj cov khoom zoo complexing, cov khoom adsorption, kev ua haujlwm ntawm lub cev, kev ua haujlwm ntawm qhov chaw, hydrolysis stability thiab thermal stability.
Kev Siv
1. Kev kho dej: Cov homopolymer ntawm AMPS monomer lossis copolymer nrog acrylamide, acrylic acid thiab lwm yam monomers tuaj yeem siv ua tus neeg sawv cev dehydrating sludge hauv cov txheej txheem ntxuav dej phwj tuaj, thiab tuaj yeem siv ua hlau, zinc, txhuas, thiab tooj liab hauv cov kab ke kaw dej. Ib yam li cov tshuaj tiv thaiv xeb rau cov hlau sib xyaw; nws kuj tseem tuaj yeem siv ua cov neeg sawv cev descaling thiab antiscaling rau cov cua sov, cov pej thuam txias, cov tshuab lim cua thiab cov tshuab lim roj.
2. Kev siv tshuaj lom neeg hauv thaj chaw roj: Kev siv cov khoom hauv thaj chaw tshuaj lom neeg hauv thaj chaw roj tab tom loj hlob sai. Qhov ntau thiab tsawg ntawm kev koom tes suav nrog cov tshuaj sib xyaw ua ke ntawm cov roj hauv qhov dej, cov tshuaj kho dej rau kev khawb av, cov kua ua kom acidizing, cov kua tawg, cov kua ua tiav thiab cov tshuaj ntxiv rau cov kua ua haujlwm, thiab lwm yam.
3. Cov xov paj rwb ua los ntawm cov khoom siv hluavtaws: AMPS yog ib qho tseem ceeb monomer uas txhim kho cov khoom siv ntawm qee cov xov paj rwb ua los ntawm cov khoom siv hluavtaws, tshwj xeeb tshaj yog acrylic lossis acrylic fibers. Nws cov tshuaj yog 1% -4% ntawm cov fiber, uas tuaj yeem txhim kho qhov dawb thiab xim ntawm cov fiber. , antistatic, breathable thiab hluav taws kub retardant.
4. Kev ntsuas qhov loj rau cov ntaub: Ib qho copolymer ntawm 2-acrylamido-2-methylpropanesulfonic acid, ethyl acetate, thiab acrylic acid. Nws yog ib qho tshuaj ntsuas qhov loj zoo tshaj plaws rau cov ntaub paj rwb thiab polyester sib xyaw. Nws yooj yim siv thiab yooj yim tshem tawm nrog dej. Nta.
5. Kev ua ntawv: Cov copolymer ntawm 2-acrylamide-2-methylpropanesulfonic acid thiab lwm cov monomers uas yaj hauv dej yog cov tshuaj tseem ceeb rau ntau lub tshuab ntawv. Nws tuaj yeem siv los ua cov khoom siv dej ntws, tus neeg sawv cev ntsuas qhov loj me, thiab ua rau daim ntawv muaj zog thiab tseem ua haujlwm ua cov xim dispersant rau cov xim pleev xim.
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(2-CARBOXYETHYL) DIMETHYLSULFONIUM CHLORIDE CAS: 4337-33-1
DMPT yog cov tshuaj uas zoo tshaj plaws rau cov tsiaj hauv dej tiam plaub uas nrhiav tau txog tam sim no. Ib txhia neeg siv lo lus "ntses tom pob zeb" los piav qhia txog nws cov txiaj ntsig ntawm kev nyiam cov tsiaj - txawm tias nws raug pleev xim rau ntawm pob zeb, ntses yuav tom nws. Pob zeb. Kev siv DMPT feem ntau yog ua cov cuab yeej nuv ntses los txhim kho qhov kev nyiam ntawm cov cuab yeej thiab ua rau nws yooj yim dua rau ntses tom tus nuv. Kev siv DMPT hauv kev lag luam yog ua cov khoom noj ntsuab hauv dej los txhawb kev noj zaub mov ntawm cov tsiaj hauv dej thiab ua kom lawv loj hlob sai.
Qhov dimethyl-beta-propionate thiatin thaum ntxov tshaj plaws yog cov khoom xyaw ntuj tsim uas tau rho tawm los ntawm seaweed. Qhov tseeb, cov txheej txheem ntawm kev tshawb pom dimethyl-beta-propionate thiatin kuj pib los ntawm seaweed: cov kws tshawb fawb tau pom tias cov ntses dej hiav txwv nyiam noj seaweed, yog li kuv pib kawm txog cov khoom noj uas nyiam seaweed. Tom qab ntawd kuv pom tias qhov laj thawj uas cov ntses nyiam noj seaweed yog tias seaweed muaj DMPT ntuj.
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N,N-Diethylhydroxylamine CAS: 3710-84-7
N,N-Diethylhydroxylamine CAS: 3710-84-7
cov khoom siv tshuaj lom neeg
Kua tsis muaj xim pob tshab. Nws tsw zoo li ammonia. Yooj yim yaj hauv dej, yaj hauv ethanol, ether, chloroform, benzene.
Nws yog siv los ua olefin polymerization inhibitor, terminal polymerization inhibitor, thiab ua vinyl monomer hauv cov txheej txheem tsim cov roj hmab hluavtaws. Ua ib qho antioxidant thiab stabilizer, nws tuaj yeem siv dav hauv cov photosensitive resins, photosensitive emulsions, synthetic latex, thiab lwm yam. Nws kuj tseem siv tau ua terminator rau emulsion polymerization, photochemical smog inhibitor, thiab lwm yam. Cov sulfate no yog tus neeg sawv cev sib npaug rau kev txhim kho xim.
Ntim, khaws cia thiab thauj mus los
Ntim rau hauv cov thoob yas lossis cov thoob roj hmab. Cov khoom no yuav tsum tau khaws cia rau hauv qhov chaw txias, qhuav thiab tiv thaiv kom tsis txhob muaj hluav taws. -
Dipropylamine CAS No.: 142-84-7
Dipropylamine, tseem hu ua di-n-propylamine, yog cov kua dej uas yooj yim hlawv, muaj tshuaj lom heev uas muaj nyob hauv cov nplooj luam yeeb thiab cov khib nyiab pov tseg los ntawm kev lag luam.
Di-n-propylamine yog ib yam kua tsis muaj xim thiab pob tshab. Muaj ntxhiab tsw ammonia. Muaj peev xwm tsim cov hydrates. Yooj yim yaj hauv dej, ethanol thiab ether. Tsim cov hydrate nrog dej. Qhov ceev 0.738, melting point -63 ℃, boiling point 110 ℃, flash point 17 ℃, refractive index 1.40445.
Di-n-propylamine siv tau ua cov kuab tshuaj thiab cov khoom siv nruab nrab hauv kev tsim cov tshuaj, tshuaj tua kab, cov xim pleev xim, cov khoom siv ua kom cov ntxhia, cov emulsifiers thiab cov tshuaj zoo. Txoj kev npaj yog siv propanol ua cov khoom siv raw, thiab tau txais nws los ntawm catalytic dehydrogenation, ammoniation, dehydration thiab hydrogenation. Cov tshuaj catalyst yog Ni-Cu-Al2O3, qhov siab yog (39 ± 1) kPa, qhov kub ntawm lub reactor yog (Chemicalbook 190 ± 10) ℃, qhov ceev ntawm propanol yog 0.05 ~ 0.15h-1, thiab qhov piv ntawm cov khoom siv raw yog propanol: ammonia ∶Hydrogen = 4: 2: 4, dipropylamine thiab tripropylamine tau txais tib lub sijhawm, thiab dipropylamine tuaj yeem tau txais los ntawm kev faib ua feem. -
Diethylenetriaminepentaacetic acid CAS: 67-43-6
Diethylenetriaminepentaacetic acid CAS: 67-43-6
Diethylenetriaminepentacetic acid (DTPA), tseem hu ua diethylenetriaminepentacetic acid, yog ib qho aminocarboxylic complexing agent zoo heev nrog cov khoom chelating muaj zog. Cov complex nws tsim nrog feem ntau cations zoo dua li ntawm ethylenediaminetetraacetic acid. Cov chelate sib xws yuav tsum ruaj khov.
Ua ib tug neeg sawv cev chelating ua haujlwm siab, diethylene triamine pentaacetic acid tuaj yeem siv rau hauv cov xim inhibitors hauv kev tsim cov acrylic fiber, kev lag luam ntawv, cov dej mos, cov khoom siv textile, chelating titrants, kev thaij duab xim thiab kev lag luam zaub mov. Nws kuj tseem siv rau hauv kev kho mob, cov khoom tsis tshua muaj. Nws kuj tseem siv dav hauv kev sib cais thiab kev ua liaj ua teb.
Cov khoom no yog dawb siv lead ua los yog crystalline hmoov. Melting point 230 ℃ (decomposition), soluble hauv dej kub thiab alkali kua, me ntsis soluble hauv dej txias, insoluble hauv cov organic solvents xws li cawv ethers. -
DIALLYL ISOPHTHALATE CAS: 1087-21-4
DIALLYL ISOPHTHALATE CAS: 1087-21-4, Kuj hu ua theem plaub reagent.Belongs rau propyl ester compounds.
Cov polymers Diallyl isophthalate zoo sib xws hauv kev npaj, cov yam ntxwv thiab kev siv rau cov polymers diallyl isophthalate piav qhia saum toj no. Cov pwm ua los ntawm diallyl isophthalate kim dua tab sis muaj kev ruaj khov thermal zoo dua (tuaj yeem tiv taus qhov kub txog li 220 ° C rau lub sijhawm ntev) thiab tiv taus cov organic solvents.
Nws yog ib qho kua roj daj daj me me. Muaj ntxhiab me ntsis. Sib xyaw nrog ethanol, tsis yaj hauv dej.
Feem ntau siv rau kev tshawb fawb biochemical. Organic Synthesis. Kev npaj cov resin kub siab. -
N,N-Bis(2-cyanoethyl)aniline CAS: 1555-66-4
N,N-Bis(2-cyanoethyl)aniline CAS: 1555-66-4
Hmoov siv lead ua dawb. Yooj yim yaj hauv cov kuab tshuaj organic, dilute acids thiab dilute alkali, tab sis insoluble hauv dej. Siv ua xim nruab nrab.
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N,N-Dimethylbenzylamine CAS: 103-83-3
N,N-Dimethylbenzylamine CAS: 103-83-3
N, N-dimethylbenzylamine feem ntau siv ua cov tshuaj reagent hauv cov organic synthesis thiab ua cov catalyst rau kev tsim cov polyurethane ua npuas ncauj thiab epoxy resin. Nws reacts nrog Os3 (CO3) los tsim ib pawg triosmium.
N,N dimethylbenzylamine nyob rau hauv methanol-tetra-N-butyl ammonium fluoroborate thiab methanol-potassium hydroxide. Siv rau hauv kev tsim cov bis[(N,N-dimethylamino)benzyl]selenoether. Nws kuj tseem siv tau ua cov organic synthesis intermediate, dehydrogenation catalyst, preservative, acid neutralizer, thiab lwm yam.
Nws tsis muaj xim mus rau daj daj uas yooj yim hlawv. Nws tsw zoo li ammonia. Yooj yim yaj hauv ethanol thiab ether, tsis tshua yaj hauv dej.
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4-Methyldiphenylamine CAS: 620-84-8
4-Methyldiphenylamine CAS: 620-84-8
Cov khoom siv raw organic: cycloalkylamines, aromatic monoamines, aromatic polyamines thiab lawv cov derivatives thiab ntsev. Qhov tsos yog dawb crystal. Feem ntau siv rau cov organic synthesis intermediates, synthesis ntawm cov organic functional materials thiab tshuaj, nrog rau photochemistry thiab kua crystal intermediates. Insoluble hauv dej. Soluble hauv benzene, toluene, methanol, ethanol. rau qhov xwm txheej cia, Khaws cia rau hauv qhov chaw tsaus, Kaw rau hauv qhov qhuav, Chav sov.
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N,N-Dimethylacetamide CAS: 127-19-5
N,N-Dimethylacetamide CAS: 127-19-5
Cov khoom siv tshuaj lom neeg: Cov khoom siv tshuaj lom neeg zoo ib yam li N, N-dimethylformamide, thiab nws yog cov tshuaj amide uas sawv cev. Yog tsis muaj kua qaub lossis alkali, nws yuav tsis lwj thaum rhaub kom npau hauv qab lub siab ib txwm muaj, yog li nws tuaj yeem raug distilled hauv qab lub siab ib txwm muaj. Tus nqi hydrolysis qeeb heev. Thaum N, N-dimethylacetamide uas muaj 5% dej raug cua sov ntawm 95 ° C rau 140 teev, tsuas yog 0.02% yog hydrolyzed. Txawm li cas los xij, thaum muaj kua qaub thiab alkali, tus nqi hydrolysis nce ntxiv. Saponification tshwm sim thaum cua sov hauv qhov muaj alkali muaj zog.
daim ntawv thov
1. Cov tshuaj dimethylacetamide yog cov khoom siv tshuaj tseem ceeb thiab siv dav hauv kev tsim cov amoxicillin, cephalosporins thiab lwm yam tshuaj. Ua ib qho tshuaj yaj lossis cocatalyst, dimethylacetamide tuaj yeem txhim kho cov khoom zoo thiab cov txiaj ntsig piv rau cov tshuaj organic ib txwm muaj. Xyoo 2000, qhov kev thov rau dimethylacetamide hauv kev lag luam tshuaj yog kwv yees li 6kt. Qhov kev thov rau dimethylacetamide hauv xyoo 2006 yog kwv yees li 9.6kt. 2. Kev tsim cov fiber acrylic Hauv kev tsim cov fiber acrylic, qee tus siv txoj kev dimethylacetamide. Tam sim no, kev tsim cov fiber acrylic hauv tsev Chemicalbook feem ntau suav nrog sodium thiocyanate ob kauj ruam, dimethylformamide ib kauj ruam thiab dimethylacetamide organic ntub txoj kev raws li cov tshuaj yaj. Los ntawm qhov kev xav ntawm cov txheej txheem thiab cov khoom siv, kev siv khoom, kev cuam tshuam rau ib puag ncig, qhov zoo ntawm cov khoom, Ntau yam xws li kev ua tau zoo tom qab ua tiav, tus nqi hauv zos thiab cov qauv kev txhim kho txawv teb chaws tau nce kev tshawb fawb thiab kev txhawb nqa kev siv zog. Dimethylacetamide tau siv los ua kev sib piv tag nrho. Txoj kev siv ob kauj ruam ntawm Sodium thiocyanate thiab txoj kev ntub dej dimethylacetamide organic tau siv. Kev txhim kho zoo tshaj plaws. Tam sim no, ntau lub chaw teeb tsa acrylic fiber hauv Suav teb siv cov txheej txheem ntub dej siv dimethylacetamide ua cov kuab tshuaj. -
Alcohol CAS: 107-18-6
Alcohol CAS: 107-18-6
xwm
Cov kua tsis muaj xim nrog ntxhiab tsw qab ntawm cov kua txob. Qhov ceev sib piv o. 8520. Qhov chaw khov -129 ℃. Qhov chaw kub 96.9 ℃. Qhov kub tseem ceeb yog 271.9 ℃. Qhov chaw ci (khob kaw) 22.2 ℃. Nws dhau los ua vitreous ntawm -190 ℃. Refractive index 1. 4132. Sib xyaw nrog dej, ether, ethanol, chloroform thiab roj av ether.
siv
Nws yog ib qho nruab nrab rau kev tsim cov glycerin, tshuaj, tshuaj tua kab, txuj lom thiab tshuaj pleev ib ce, thiab tseem yog cov khoom siv raw rau kev tsim cov diallyl phthalate resin thiab bis (2,3-bromopropyl) fumarate. Silane derivatives ntawm allyl cawv thiab copolymers nrog styrene yog dav siv hauv coatings thiab iav.
kev lag luam fiber. Allyl urethane tuaj yeem siv rau hauv cov txheej txheem polyurethane photosensitive thiab kev lag luam casting.
kev nyab xeeb
Nws muaj ib qho tsw tshwj xeeb thiab tuaj yeem ua rau khaus qhov muag, tawv nqaij, caj pas, thiab cov ntaub so ntswg. Hauv cov xwm txheej hnyav, nws tuaj yeem ua rau dig muag. Kev lo rau ntawm daim tawv nqaij tuaj yeem ua rau nws tig liab thiab ua rau kub hnyiab, thiab nws sai sai nqus los ntawm daim tawv nqaij, ua rau muaj kab mob siab, mob ntsws, ntshav ntws thiab lwm yam tsos mob. Ib qho ntawm cov cawv lom tshaj plaws, qhov ncauj LD50 hauv nas yog 64rng / kg. Qhov ncauj dev LD50 40mg / kg. Qhov siab tshaj plaws tso cai concentration hauv huab cua ntawm qhov chaw tsim khoom yog 5rng / m3. Ntawm qhov concentration no, qhov khaus yog muaj zog heev thiab tsis tuaj yeem zam tau ntev. Yog tias nws txaws rau ntawm daim tawv nqaij, yaug nrog dej thiab siv cov tshuaj raws li roj. Hnav cov khoom siv tiv thaiv thaum ua haujlwm. -
Dicyclohexylamine CAS: 101-83-7
Dicyclohexylamine CAS: 101-83-7
Dicyclohexylamine yog npaj los ntawm kev siv aniline ua cov khoom siv raw thiab hydrogenating nws ntawm qhov kub thiab siab siab nyob rau hauv qhov muaj cov catalyst.
Nws yog dav siv ua ib qho intermediate hauv organic synthesis thiab siv tau los npaj cov xim intermediates, roj hmab accelerators, nitrocellulose xim, tshuaj tua kab, catalysts, preservatives, gas phase corrosion inhibitors thiab roj antioxidant tshuaj additives, thiab lwm yam. Kuj siv ua tus neeg sawv cev extraction. Fatty acid ntsev thiab sulfates ntawm dicyclohexylamine muaj cov khoom tshem tawm cov xim zoo li xab npum thiab siv rau hauv kev luam ntawv, dyeing thiab textile industries. Nws cov hlau complexes yog siv ua catalysts rau inks thiab xim.
Cov kua roj tsis muaj xim thiab pob tshab nrog ntxhiab tsw ammonia. Me ntsis soluble hauv dej, sib xyaw nrog cov organic solvents.
