-
Ethyl N-acetyl-N-butyl-β-alaninate CAS:52304-36-6
O le BAAPE o se alaleo lautele, sili ona aoga faʻafefe iniseti e faʻafefe ai lago, utu, loi, namu, moa, midges, gadflies, flea mafolafola, fleas oneone, sand midges, sandflies, cicadas, etc. Repellent effect; e umi lona a'afiaga ma e mafai ona fa'aoga i tulaga eseese o le tau. E mautu kemikolo i lalo o tuutuuga o le fa'aoga ma e maualuga le mautu o le vevela ma maualuga le afu malosi. O le BAAPE o loʻo i ai le fetaui lelei ma mea faʻaoga masani ma vailaʻau. E mafai ona faia i vaifofo, emulsions, ointments, coatings, gels, aerosols, namu coils, microcapsules ma isi vailaau faʻasaʻo faʻapitoa, ma e mafai foi ona faʻaopoopo i isi oloa. Po'o i totonu o mea (e pei o vai faleuila, vai e fa'afefe namu), ina ia iai sona a'afiaga.
E iai le lelei o le BAAPE o le leai o ni aʻafiaga oona i luga o le paʻu ma mucous membranes, leai ni allergies, ma leai se paʻu paʻu.
Meatotino: Suavai e leai ni lanu e oo i le lanu samasama malamalama, ose mea e sili ona lelei e tete'e ai namu. Pe a faatusatusa i le namu masani (DEET, e masani ona taʻua o le DEET), e iai ona uiga iloga o le maualalo o le oona, faʻaitiitia le ita, ma le umi o le taimi e faʻafefe ai. , o se mea lelei e suitulaga mo mea masani namu.
Ole vai-soluble repellent (BAAPE) e itiiti le aoga nai lo le DEET masani ile tapeina o namu. Ae peita'i, pe a fa'atusatusa, o le DEET (IR3535) e fa'aitiitia le ita ma e leai se pa'u pa'u.
-
2-Methoxyethanol CAS 109-86-4
Ethylene glycol monomethyl ether (fa'apu'upu'u o le MOE), e ta'ua fo'i o le ethylene glycol methyl ether, o se vai e leai ni lanu ma manino, fa'afefiloi ma le vai, ava malosi, acetic acid, acetone ma le DMF. I le avea ai o se solvent taua, MOE o loʻo faʻaaogaina lautele e avea o se solvent mo gaʻo eseese, cellulose acetates, cellulose nitrates, vailaʻau e mafai ona soʻona ava malosi ma resini gaosia.
E maua mai i le tali atu o le ethylene oxide ma le methanol. Fa'aopopo le methanol ile boron trifluoride ether complex, ma pasi ile ethylene oxide ile 25-30°C a'o fa'aoso. A maeʻa le ala, e otometi lava ona oso aʻe le vevela ile 38-45°C. Ole vaifofo fa'atupu ole tali e togafitia ile potassium hydrocyanide- Fa'amama le vaifofo methanol ile pH=8-Chemicalbook9. Toe fa'afo'i le methanol, fa'amama, ma ao mai vaega ninii a'o le'i o'o i le 130°C ina ia maua ai le oloa mama. Ona faia lea o le distillation vaega ninii, ma aoina le vaega 123-125 ° C e pei o le oloa maeʻa. I le gaosiga o fale gaosi oloa, o le ethylene oxide ma le anhydrous methanol e tali atu i le maualuga o le vevela ma le mamafa e aunoa ma se faʻamalosi, ma e mafai ona maua se oloa maualuga.
O lenei oloa o loʻo faʻaaogaina e avea o se solvent mo suauʻu eseese, lignin, nitrocellulose, cellulose acetate, vailaʻau faʻafefeteina ma vailaʻau faʻapipiʻi; e avea o se reagent mo le fuafuaina o le uʻamea, sulfate ma carbon disulfide, e avea o se diluent mo coatings, ma mo cellophane. I faʻamau faʻamaufaʻailoga, faʻamago vave varnish ma enamels. E mafai foʻi ona faʻaaogaina e avea o se mea faʻapipiʻi ma faʻapipiʻiina i totonu o le pisinisi vali, poʻo se palasitika ma faʻamalamalama. I le avea ai o se vaeluagalemu i le gaosiga o mea faʻapitoa, o le ethylene glycol monomethyl ether e masani ona faʻaaogaina i le faʻaogaina o le acetate ma le ethylene glycol dimethyl ether. Ose tusi su'esu'e fo'i mo le gaosiga o le pis(2-methoxyethyl)phthalate plasticizer. O le faʻafefiloi o le ethylene glycol monomethyl ether ma le glycerin (eter: glycerin = 98: 2) o se faʻapipiʻi suauʻu a le militeri e mafai ona puipuia ai le aisa ma siama siama. A faʻaaogaina le ethylene glycol monomethyl ether e avea o se suauʻu faʻamaʻi faʻamaʻi, o le aofaʻi faʻaopoopoga lautele o le 0.15% ± 0.05%. E lelei le hydrophilicity. E fa'aogaina lana lava vaega o le hydroxyl i le suauu e fegalegaleai ai ma le tele o mole mole vai i totonu o le suauu. O le fa'avaeina o so'otaga fa'atasi o le hydrogen, fa'atasi ai ma lona fa'a'aisa maualalo, e fa'aitiitia ai le vai malulu i totonu o le suau'u, ma fa'ataga ai le vai e to'a i le aisa. Ethylene glycol monomethyl ether o se mea faʻapipiʻi anti-microbial.
-
1,4-Butanediol diglycidyl eter CAS 2425-79-8
1,4-Butanediol glycidyl ether, e taʻua foi o le 1,4-butanediol dialkyl ether poʻo le BDG, o se faʻalapotopotoga faʻapitoa. O se vai e leai se lanu e lanu samasama ma e maualalo le fa'afefe. E solu i le tele o so'o so'o e pei ole ethanol, methanol ma le dimethylformamide. E masani ona faʻaaogaina e fai ma vailaʻau mata ma solvents. E fa'aaogaina fo'i e fai ma fa'amautu mo vali ma lanu.
1,4-Butanediol glycidyl ether e mafai ona gaosia e ala i le esterification o le 1,4-butanediol ma le methanol poʻo le methanol solution. O tulaga faʻaalia e masani lava ona faia i lalo o le mamafa maualuga ma i le i ai o se faʻamalosi.
A faʻaaogaina le 1,4-butanediol glycidyl eter, e tatau ona faʻaeteete e puipuia le faʻafesoʻotaʻi ma le paʻu ma mata. I le taimi o le faʻaaogaina ma le teuina, e tatau ona aloese mai le maualuga o le vevela ma puna o afi. E tatau ona gauai atu i le faʻamaufaʻailogaina o pusa teu oloa e puipuia ai le faʻasao ma le leak. -
Diethanolamine CAS: 111-42-2
Ethanolamine EA o le oloa sili ona taua i le ethanol, e aofia ai le monoethanolamine MEA, diethanolamine DEA ma le triethanolamine TEA. O le Ethanolamine o se mea taua tele, faʻaaogaina lautele i luga o faʻamaʻi, vailaʻau faʻapipiʻi, mea faʻapipiʻi petrochemical, resin faʻapipiʻi ma paʻu paʻu, faʻavavevave, vailaʻau vulcanizing ma mea faʻafefe, faʻapea foʻi ma le faʻamamaina o kesi, antifreeze vai, Lomitusi ma vali, vailaʻau, vailaau faʻasaina, fausiaina. , alamanuia faamiliteli ma isi matata. O oloa pito i lalo ole ethanolamine e taua tele vaila'au fa'agata.
Diethanolamine, e lauiloa foi o le bishydroxyethylamine ma le 2,2′-iminobisethanol, o se tioata paʻepaʻe poʻo se vai e leai ni lanu ma le malosi o le hygroscopicity. E faigofie ona solu i vai, methanol, ethanol, acetone ma benzene. O lona solubility (g/100g) ile benzene ile 25°C ole 4.2 ma ile eter ole 0.8. O lona faamoemoega o le: faamama kasa, lea e mafai ona mitiia kasa acidic Chemicalbook i le kesi, e pei o le carbon dioxide, hydrogen sulfide, sulfur dioxide, ma isi. O le "Benfield" fofo o loʻo faʻaaogaina i le gaosiga o le ammonia synthetic e masani lava ona aofia ai lenei oloa; e faʻaaogaina foi mo le emulsification. Sui, lubricants, shampoos, mafiafia, ma isi; mea fa'apipi'i fa'ale-aganu'u, fa'aaogaina e gaosia ai mea fa'amama, mea fa'asao ma vaila'au i aso ta'itasi (e pei o surfactants); tu'ufa'atasiga o le morpholine.
Diethanolamine o loʻo faʻaaogaina e avea o se mea mataʻutia mo paʻu i totonu o fale gaosi oloa. E faʻaaogaina e fai ma sui faʻafesoʻotaʻi i le gaosiga o le polyurethane foam maualuga. O lo'o fa'afefiloi ma le triethanolamine e fai ma fa'amama mo pistons afi afi. E fegaioi ma ga'o ga'o e fai ai alkyl alkyls. E faʻaaogaina foʻi i mea faʻapipiʻi faʻaola, mea mataʻutia mo surfactants Chemicalbook ma acid gas absorbers, faʻaaogaina e pei o mafiafia ma foam modifiers i shampoos ma moli mama, e avea ma mea faʻalatalata i le alamanuia synthesis organic, ma i le alamanuia pharmaceutical. I le avea ai o se solvent, e masani ona faʻaaogaina i totonu o fale fufulu, fale teuteu, faʻatoʻaga, fale faufale ma fale gaosimea.
-
2-Acrylamide-2-methylpropanesulfonic acid CAS 15214-89-8
2-Acrylamide-2-methylpropanesulfonic acid (AMPS) o se vinyl monomer ma se vaega sulfonic acid. E lelei le faʻamautuina o le vevela, faʻatasi ai ma le vevela e oʻo atu i le 210 ° C, ma o lona sodium salt homopolymer o loʻo i ai le vevela o le pala e oʻo atu i le 329 ° C. I vaifofo vai, ole fua ole hydrolysis e telegese, ma o le masima masima vaifofo e sili atu le hydrolysis tetee i lalo o tulaga maualuga pH. I lalo o tulaga oona, o le hydrolysis resistance o lona copolymer e sili atu le maualuga nai lo le polyacrylamide. E mafai ona fai le monomer i tioata po'o se vaifofo vai o le masima sodium. 2-Acrylamide-2-methylpropanesulfonic acid o loʻo i ai mea faʻalavelave lelei, mea faʻapipiʻi, gaioiga faʻaola, gaioiga i luga, faʻamautu hydrolysis ma mautu vevela.
Fa'aoga
1. Suavai togafitiga: O le homopolymer o le AMPS monomer poʻo le copolymer ma acrylamide, acrylic acid ma isi monomers e mafai ona faʻaaogaina e avea o se faʻamaʻi faʻamaʻi palapala i le faagasologa o le faʻamamaina o otaota, ma e mafai ona faʻaaogaina e pei o le uʻamea, zinc, alumini, ma le kopa i vai tapuni. faiga ta'amilosaga. Faʻapea foʻi ma mea faʻafefeteina mo mea faʻapipiʻi; e mafai foi ona faaaoga e pei o le descaling ma antiscaling sui mo heaters, cooling olo, ea purifiers ma kasa purifiers.
2. Oilfield kemisi: O le faʻaaogaina o oloa i le fanua o kemisi suauu o loʻo faʻatupulaia vave. O le lautele o le a'afiaga e aofia ai fa'afefiloi suau'u sima suau'u, sua sua sua sua sua sua, acidizing vai, gau gau, sua faamaeaina ma workover sua faaopoopo, ma isi.
3. Fa'alava fa'akomepiuta: AMPS o se monomer taua lea e fa'aleleia atili ai mea fa'apitoa o nisi alava fa'apipi'i, ae maise lava alava fa'akomepi'i po'o alava. O lona fua o le 1% -4% o le fiber, lea e mafai ona faʻaleleia atili ai le paʻepaʻe ma le valiina o le fiber. , antistatic, manava ma le mu.
4. Fuafuaga mo ie: O se kopi o le 2-acrylamido-2-methylpropanesulfonic acid, ethyl acetate, ma le acrylic acid. Ose su'i fa'avasega lelei mo ie fa'afefiloi ma polyester. E faigofie ona faʻaoga ma faigofie ona aveese ile vai. Vaega.
5. Faia pepa: O le copolymer o le 2-acrylamide-2-methylpropanesulfonic acid ma isi monomers vai-soluble o se vailaʻau manaʻomia mo fale gaosi pepa eseese. E mafai ona faʻaaogaina e avea o se alavai fesoasoani, o se sizing agent, ma faʻateleina O le malosi o le pepa ma faʻaaogaina foi o se faʻamaʻi faʻafefe mo lanu lanu.
-
(2-CARBOXYETHYL)DIMETHYLSULFONIUM CHLORIDE CAS: 4337-33-1
O le DMPT o le fa'ato'aga sili ona aoga o mea'ai vai ua maua i le taimi nei. O nisi tagata latou te fa'aogaina le fa'aupuga "i'a u ma'a" e fa'amatala manino ai lona aafiaga faatosina mea'ai - tusa lava pe vali i luga o se ma'a, e utia e i'a. Ma'a. Ole fa'aoga masani ole DMPT ole maunu fagota e fa'aleleia atili ai le aulelei ole maunu ma fa'afaigofie ai ona utia e i'a le matau. O le fa'aogaina o falefaigaluega a le DMPT e pei o se mea'ai mea'ai lanu meamata e fa'aleleia ai le fafaga o manu vai ma fa'ateleina ai lo latou tuputupu a'e.
O le ulua'i dimethyl-beta-propionate thiatin ose fa'amea fa'anatura mama na maua mai le limu. O le mea moni, o le faagasologa o le mauaina o le dimethyl-beta-propionate thiatin na amata foi mai le limu: na matauina e saienitisi o iʻa o le sami ou te fiafia e ai le limu, o lea na amata ai ona ou suʻesuʻeina mea e tosina ai meaʻai i le limu. Mulimuli ane na ou iloa ai o le mafuaaga e fiafia ai i'a e ai le limu ona o le limu e iai le DMPT natura.
-
N,N-Diethylhydroxylamine CAS:3710-84-7
N,N-Diethylhydroxylamine CAS:3710-84-7
mea tau kemisi
Suavai manino le lanu. E manogi e pei o le amonia. Fa'afaigofie ona solu ile vai, solu ile ethanol, eter, chloroform, benzene.
E fa'aaogaina e pei ole olefin polymerization inhibitor, terminal polymerization inhibitor, ma pei o le vinyl monomer i le gaosiga o le gaosiga o le pa'u synthetic. I le avea ai o se antioxidant ma stabilizer, e mafai ona faʻaaogaina lautele i resins photosensitive, emulsions photosensitive, latex synthetic, ma isi. E mafai foi ona faʻaaogaina e avea o se faʻamutaina mo le polymerization emulsion, inhibitor smog photochemical, ma isi. O lenei sulfate o se sui paleni leo mo lanu atinae.
afifiina, teuina ma felauaiga
O lo'o fa'apipi'i i paelo fa'apalapala palasitika po'o paelo resini. O lenei oloa e tatau ona teuina faʻamaufaʻailogaina i totonu o se faleteuoloa malulu, mago ma puipuia mai le afi. -
Dipropylamine CAS Numera: 142-84-7
O le Dipropylamine, e ta'ua fo'i o le di-n-propylamine, o se vai e mu, e sili ona o'ona oona o lo'o iai i le natura i lau tapa'a ma otaota fa'atosina fa'aleaogaina.
Di-n-propylamine o se vai e leai ni lanu ma manino. E iai le manogi amonia. E mafai ona fa'asusu. E faigofie ona solu ile vai, ethanol ma eter. Fomu fa'asusu ile vai. Density 0.738, liusuavai -63 ℃, fa'avela 110 ℃, moli moli 17 ℃, fa'ailoga fa'asolosolo 1.40445.
O le Di-n-propylamine e mafai ona faʻaaogaina e avea o se solvent ma se vaeluagalemu i le gaosiga o vailaʻau, vailaʻau faʻamaʻi, vali, vailaʻau faʻafefeteina minerale, emulsifiers ma vailaʻau lelei. O le auala sauniuni o le faʻaaogaina o le propanol e fai ma mea mata, ma maua mai e ala i le catalytic dehydrogenation, ammoniation, dehydration ma hydrogenation. O le faʻalavelave faʻafefe o le Ni-Cu-Al2O3, o le mamafa o le (39 ± 1) kPa, o le vevela o le reactor (Chemicalbook190 ± 10) ℃, o le saosaoa o le propanol o le 0.05 ~ 0.15h-1, ma le fua faatatau o mea mata propanol:ammonia ∶Hydrogen = 4:2:4, dipropylamine ma tripropylamine e maua i le taimi e tasi, ma e mafai ona maua le dipropylamine e ala i le vaevaega. -
Diethylenetriaminepentaacetic acid CAS: 67-43-6
Diethylenetriaminepentaacetic acid CAS: 67-43-6
Diethylenetriaminepentacetic acid (DTPA), e taʻua foi o le diethylenetriaminepentacetic acid, o se aminocarboxylic complexing agent ma malosi chelating properties. O le lavelave e fai ma le tele o cations e sili atu nai lo le ethylenediaminetetraacetic acid. Ole chelate tutusa e tatau ona mautu.
I le avea ai o se sui chelating maualuga, e mafai ona faʻaaogaina le diethylene triamine pentaacetic acid i faʻamaʻi lanu i le gaosiga o fibre acrylic, alamanuia pepa, faʻamalulu vai, ausilali ie, titrants chelating, ata lanu ma meaʻai. E faʻaaogaina foʻi i vailaʻau, elemene eleele e le masani ai E faʻaaogaina lautele i le vavaeeseina ma le gaosiga o faʻatoʻaga.
O lenei oloa o le tioata paʻepaʻe poʻo le paʻu tioata. Liu vai 230 ℃ (decomposition), soluble i le vai vevela ma alkali solution, laititi soluble i le vai malulu, le mafai ona solu i solvents organic pei ole ava malosi. -
DIALLYL ISOPHTHALATE CAS: 1087-21-4
DIALLYL ISOPHTHALATE CAS: 1087-21-4, ua taʻua foi o le tulaga fa reagent. E iai i propyl ester compounds.
Diallyl isophthalate polymers e tutusa lelei i le sauniuniga, meatotino ma le faʻaogaina i le diallyl isophthalate polymers o loʻo faʻamatalaina i luga. O lo'o fa'avae i luga o le diallyl isophthalate e sili atu ona taugata ae fa'aopoopoina le fa'atumauina o le vevela (e mafai ona tatalia le vevela e o'o atu i le 220°C mo taimi uumi) ma le tete'e atu i so'o so'o.
O se vai suau'u samasama samasama. Sigi manogi. Fa'afefiloi ma le ethanol, e le mafai ona fa'afefe i le vai.
Fa'aaogaina mo su'esu'ega fa'aolaola. Fa'asoa fa'aletino. Saunia o resini vevela maualuga. -
N,N-Bis(2-cyanoethyl)aniline CAS: 1555-66-4
N,N-Bis(2-cyanoethyl)aniline CAS: 1555-66-4
Pa'u tioata pa'epa'e. Fa'afaigofie ona solu i solu fa'aola, fa'asusu vai ma fa'apalapala fa'alafoa'i, ae e le mafai ona solu ile vai. Fa'aaogaina e fai ma vali va'aiga.
-
N,N-Dimethylbenzylamine CAS: 103-83-3
N,N-Dimethylbenzylamine CAS: 103-83-3
N, N-dimethylbenzylamine e masani ona faʻaaogaina e avea o se reagent i le faʻaogaina o meaola ma o se faʻamalosi mo le faʻaogaina o le polyurethane foam ma le epoxy resin. E tali atu ma le Os3(CO) e fai ai se fuifui triosmium.
N,N dimethylbenzylamine i le methanol-tetra-N-butyl ammonium fluoroborate ma le methanol-potassium hydroxide. Fa'aaogaina i le tu'ufa'atasiga o le bis[(N,N-dimethylamino)benzyl]selenoether. E mafai foi ona faʻaaogaina e avea o se mea faʻapipiʻi faʻasolosolo, faʻamaʻi faʻamaʻi, faʻasao, neutralizer acid, ma isi.
E leai se lanu e mumu lanu samasama mumu. E manogi e pei o le amonia. E faigofie ona solu i le ethanol ma le eter, e faigata ona solu i le vai.
